(整理)工程管理外文翻译
土木建筑工程工程管理中英文对照外文翻译文献
(文档含英文原文和中文翻译)中英文资料外文翻译文献外文翻译Abstract:To study the application of continuum structural topology optimization methods to real engineering structures,an optimization method for an optimal topology design of multistory steel frame bracing systems is presented.On a sensitivity analysis,an element removal criterion for continuum structures with stress and multi-displacement constraints under multiple lateral loading conditions is proposed.A concept of mean thickness of a design domain is provided to ensure the reasonableness of optimal results.In the proposed optimization method,the optimal design of an unbraced steel frame without displacement constraints is performed firstly,and then the optimal topology of a bracing system for the multistory steel frame considering displacement constraints is obtained by using evolutionary structural optimization and the given removal criterion,and finally the optima layout of the bracing system is interpreted as bracing members.An example of 3-bay 12-story plane steel frame shows that it is effective for the given optimizationmethod in the optimal design of bracing systems for multistory steel frames.Key words:steel frame;bracing system;continuum;topology optimization;evolutionary structural optimization1．Reinforced ConcretePlain concrete is formed from a hardened mixture of cement ,water ,fine aggregate, coarse aggregate (crushed stone or gravel),air, and often other admixtures. The plastic mix is placed and consolidated in the formwork, then cured to facilitate the acceleration of the chemical hydration reaction lf the cement/water mix, resulting in hardened concrete. The finished product has high compressive strength, and low resistance to tension, such that its tensile strength is approximately one tenth lf its compressive strength. Consequently, tensile and shear reinforcement in the tensile regions of sections has to be provided to compensate for the weak tension regions in the reinforced concrete element.It is this deviation in the composition of a reinforces concrete section from the homogeneity of standard wood or steel sections that requires a modified approach to the basic principles of structural design. The two components of the heterogeneous reinforced concrete section are to be so arranged and proportioned that optimal use is made of the materials involved. This is possible because concrete can easily be given any desired shape by placing and compacting the wet mixture of the constituent ingredients are properly proportioned, the finished product becomes strong, durable, and, in combination with the reinforcing bars, adaptable for use as main members of any structural system.The techniques necessary for placing concrete depend on the type of member to be cast: that is, whether it is a column, a bean, a wall, a slab, a foundation. a mass columns, or an extension of previously placed and hardened concrete. For beams, columns, and walls, the forms should be well oiled after cleaning them, and the reinforcement should be cleared of rust and other harmful materials. In foundations, the earth should be compacted and thoroughly moistened to about 6 in. in depth to avoid absorption of the moisture present in the wet concrete. Concrete should always be placed in horizontal layers which are compacted by means of high frequency power-driven vibrators of either the immersion or external type, as the case requires, unless it is placed by pumping. It must be kept in mind, however, that over vibration can be harmful since it could cause segregation of the aggregate and bleeding of the concrete.Hydration of the cement takes place in the presence of moisture at temperatures above 50°F. It is necessary to maintain such a condition in order that the chemicalhydration reaction can take place. If drying is too rapid, surface cracking takes place. This would result in reduction of concrete strength due to cracking as well as the failure to attain full chemical hydration.It is clear that a large number of parameters have to be dealt with in proportioning a reinforced concrete element, such as geometrical width, depth, area of reinforcement, steel strain, concrete strain, steel stress, and so on. Consequently, trial and adjustment is necessary in the choice of concrete sections, with assumptions based on conditions at site, availability of the constituent materials, particular demands of the owners, architectural and headroom requirements, the applicable codes, and environmental reinforced concrete is often a site-constructed composite, in contrast to the standard mill-fabricated beam and column sections in steel structures.A trial section has to be chosen for each critical location in a structural system. The trial section has to be analyzed to determine if its nominal resisting strength is adequate to carry the applied factored load. Since more than one trial is often necessary to arrive at the required section, the first design input step generates into a series of trial-and-adjustment analyses.The trial-and –adjustment procedures for the choice of a concrete section lead to the convergence of analysis and design. Hence every design is an analysis once a trial section is chosen. The availability of handbooks, charts, and personal computers and programs supports this approach as a more efficient, compact, and speedy instructional method compared with the traditional approach of treating the analysis of reinforced concrete separately from pure design.2. EarthworkBecause earthmoving methods and costs change more quickly than those in any other branch of civil engineering, this is a field where there are real opportunities for the enthusiast. In 1935 most of the methods now in use for carrying and excavating earth with rubber-tyred equipment did not exist. Most earth was moved by narrow rail track, now relatively rare, and the main methods of excavation, with face shovel, backacter, or dragline or grab, though they are still widely used are only a few of the many current methods. To keep his knowledge of earthmoving equipment up to date an engineer must therefore spend tine studying modern machines. Generally the only reliable up-to-date information on excavators, loaders and transport is obtainable from the makers.Earthworks or earthmoving means cutting into ground where its surface is too high ( cuts ), and dumping the earth in other places where the surface is too low ( fills). Toreduce earthwork costs, the volume of the fills should be equal to the volume of the cuts and wherever possible the cuts should be placednear to fills of equal volume so as to reduce transport and double handlingof the fill. This work of earthwork design falls on the engineer who lays out the road since it is the layout of the earthwork more than anything else which decides its cheapness. From the available maps ahd levels, the engineering must try to reach as many decisions as possible in the drawing office by drawing cross sections of the earthwork. On the site when further information becomes available he can make changes in jis sections and layout,but the drawing lffice work will not have been lost. It will have helped him to reach the best solution in the shortest time.The cheapest way of moving earth is to take it directly out of the cut and drop it as fill with the same machine. This is not always possible, but when it canbe done it is ideal, being both quick and cheap. Draglines, bulldozers and face shovels an do this. The largest radius is obtained with the dragline,and the largest tonnage of earth is moved by the bulldozer, though only over short distances.The disadvantages of the dragline are that it must dig below itself, it cannot dig with force into compacted material, it cannot dig on steep slopws, and its dumping and digging are not accurate.Face shovels are between bulldozers and draglines, having a larger radius of action than bulldozers but less than draglines. They are anle to dig into a vertical cliff face in a way which would be dangerous tor a bulldozer operator and impossible for a dragline. Each piece of equipment should be level of their tracks and for deep digs in compact material a backacter is most useful, but its dumping radius is considerably less than that of the same escavator fitted with a face shovel.Rubber-tyred bowl scrapers are indispensable for fairly level digging where the distance of transport is too much tor a dragline or face shovel. They can dig the material deeply ( but only below themselves ) to a fairly flat surface, carry it hundreds of meters if need be, then drop it and level it roughly during the dumping. For hard digging it is often found economical to keep a pusher tractor ( wheeled or tracked ) on the digging site, to push each scraper as it returns to dig. As soon as the scraper is full,the pusher tractor returns to the beginning of the dig to heop to help the nest scraper.Bowl scrapers are often extremely powerful machines;many makers build scrapers of 8 cubic meters struck capacity, which carry 10 m ³heaped. The largest self-propelledscrapers are of 19 m ³ struck capacity ( 25 m ³ heaped )and they are driven by a tractor engine of 430 horse-powers.Dumpers are probably the commonest rubber-tyred transport since they can also conveniently be used for carrying concrete or other building materials. Dumpers have the earth container over the front axle on large rubber-tyred wheels, and the container tips forwards on most types, though in articulated dumpers the direction of tip can be widely varied. The smallest dumpers have a capacity of about 0.5 m ³, and the largest standard types are of about 4.5 m ³. Special types include the self-loading dumper of up to 4 m ³ and the articulated type of about 0.5 m ³. The distinction between dumpers and dump trucks must be remembered .dumpers tip forwards and the driver sits behind the load. Dump trucks are heavy, strengthened tipping lorries, the driver travels in front lf the load and the load is dumped behind him, so they are sometimes called rear-dump trucks.3. Safety of StructuresThe principal scope of specifications is to provide general principles and computational methods in order to verify safety of structures. The “ safety factor ”, which according to modern trends is independent of the nature and combination of the materials used, can usually be defined as the ratio between the conditions. This ratio is also proportional to the inverse of the probability ( risk ) of failure of the structure.Failure has to be considered not only as overall collapse of the structure but also as unserviceability or, according to a more precise. Common definition. As the reaching of a “ limit state ” which causes the construction not to accomplish the task it was designed for. There are two categories of limit state :(1)Ultimate limit sate, which corresponds to the highest value of the load-bearing capacity. Examples include local buckling or global instability of the structure; failure of some sections and subsequent transformation of the structure into a mechanism; failure by fatigue; elastic or plastic deformation or creep that cause a substantial change of the geometry of the structure; and sensitivity of the structure to alternating loads, to fire and to explosions.(2)Service limit states, which are functions of the use and durability of the structure. Examples include excessive deformations and displacements without instability; early or excessive cracks; large vibrations; and corrosion.Computational methods used to verify structures with respect to the different safety conditions can be separated into:(1)Deterministic methods, in which the main parameters are considered as nonrandom parameters.(2)Probabilistic methods, in which the main parameters are considered as random parameters.Alternatively, with respect to the different use of factors of safety, computational methods can be separated into:(1)Allowable stress method, in which the stresses computed under maximum loads are compared with the strength of the material reduced by given safety factors.(2)Limit states method, in which the structure may be proportioned on the basis of its maximum strength. This strength, as determined by rational analysis, shall not be less than that required to support a factored load equal to the sum of the factored live load and dead load ( ultimate state ).The stresses corresponding to working ( service ) conditions with unfactored live and dead loads are compared with prescribed values ( service limit state ) . From the four possible combinations of the first two and second two methods, we can obtain some useful computational methods. Generally, two combinations prevail:(1)deterministic methods, which make use of allowable stresses.(2)Probabilistic methods, which make use of limit states.The main advantage of probabilistic approaches is that, at least in theory, it is possible to scientifically take into account all random factors of safety, which are then combined to define the safety factor. probabilistic approaches depend upon :(1) Random distribution of strength of materials with respect to the conditions of fabrication and erection ( scatter of the values of mechanical properties through out the structure );(2) Uncertainty of the geometry of the cross-section sand of the structure ( faults and imperfections due to fabrication and erection of the structure );(3) Uncertainty of the predicted live loads and dead loads acting on the structure;(4)Uncertainty related to the approximation of the computational method used ( deviation of the actual stresses from computed stresses ).Furthermore, probabilistic theories mean that the allowable risk can be based on several factors, such as :(1) Importance of the construction and gravity of the damage by its failure;(2)Number of human lives which can be threatened by this failure;(3)Possibility and/or likelihood of repairing the structure;(4) Predicted life of the structure.All these factors are related to economic and social considerations such as：(1) Initial cost of the construction;(2) Amortization funds for the duration of the construction;(3) Cost of physical and material damage due to the failure of the construction;(4) Adverse impact on society;(5) Moral and psychological views.The definition of all these parameters, for a given safety factor, allows construction at the optimum cost. However, the difficulty of carrying out a complete probabilistic analysis has to be taken into account. For such an analysis the laws of the distribution of the live load and its induced stresses, of the scatter of mechanical properties of materials, and of the geometry of the cross-sections and the structure have to be known. Furthermore, it is difficult to interpret the interaction between the law of distribution of strength and that of stresses because both depend upon the nature of the material, on the cross-sections and upon the load acting on the structure. These practical difficulties can be overcome in two ways. The first is to apply different safety factors to the material and to the loads, without necessarily adopting the probabilistic criterion. The second is an approximate probabilistic method which introduces some simplifying assumptions ( semi-probabilistic methods ) .2. 中文翻译摘要：为了研究连续型拓扑优化理论在实际工程中的应用，该文给出了一种多层钢框架支撑体系连续型拓扑优化设计方法。
工程管理专业外文文献翻译(中英文)【精选文档】
xxxxxx 大学本科毕业设计外文翻译Project Cost Control: the Way it Works项目成本控制：它的工作方式学院（系）: xxxxxxxxxxxx专业: xxxxxxxx学生姓名: xxxxx学号： xxxxxxxxxx指导教师： xxxxxx评阅教师：完成日期：xxxx大学项目成本控制：它的工作方式在最近的一次咨询任务中，我们意识到对于整个项目成本控制体系是如何设置和应用的,仍有一些缺乏理解。
所以我们决定描述它是如何工作的.理论上，项目成本控制不是很难跟随。
首先，建立一组参考基线。
然后，随着工作的深入，监控工作,分析研究结果,预测最终结果并比较参考基准。
如果最终的结果不令人满意，那么你要对正在进行的工作进行必要的调整，并在合适的时间间隔重复。
如果最终的结果确实不符合基线计划，你可能不得不改变计划.更有可能的是，会 (或已经) 有范围变更来改变参考基线，这意味着每次出现这种情况你必须改变基线计划。
但在实践中，项目成本控制要困难得多，通过项目数量无法控制成本也证明了这一点。
正如我们将看到的，它还需要大量的工作，我们不妨从一开始启用它。
所以，要跟随项目成本控制在整个项目的生命周期.同时，我们会利用这一机会来指出几个重要文件的适当的地方。
其中包括商业案例，请求（资本)拨款（执行），工作包和工作分解结构，项目章程（或摘要),项目预算或成本计划、挣值和成本基线。
所有这些有助于提高这个组织的有效地控制项目成本的能力。
业务用例和应用程序（执行）的资金重要的是要注意，当负责的管理者对于项目应如何通过项目生命周期展开有很好的理解时,项目成本控制才是最有效的。
这意味着他们在主要阶段的关键决策点之间行使职责。
他们还必须识别项目风险管理的重要性，至少可以确定并计划阻止最明显的潜在风险事件。
在项目的概念阶段•每个项目始于确定的机会或需要的人.通常是有着重要性和影响力的人,如果项目继续,这个人往往成为项目的赞助。
工程管理外文翻译---国际建设工程风险分析
本科生毕业论文外文翻译题目国际建设工程风险分析姓名学号学院管理科学与工程专业工程管理指导教师2012年4月25日Risk Analysis of the International Construction ProjectABSTRACTThis analysis used a case study methodology to analyse the issues surrounding the partial collapse of the roof of a building housing the headquarters of the Standards Association of Zimbabwe (SAZ). In particular, it examined the prior roles played by the team of construction professionals. The analysis revealed that the SAZ‟s traditional construction project was generally characterized by high risk. There was a clear indication of the failure of a contractor and architects in preventing and/or mitigating potential construction problems as alleged by the plaintiff. It was reasonable to conclude that between them the defects should have been detected earlier and rectified in good time before the partial roof failure. It appeared justified for the plaintiff to have brought a negligence claim against both the contractor and the architects. The risk analysis facilitated, through its multi-dimensional approach to a critical examination of a construction problem, the identification of an effective risk management strategy for future construction projects. It further served to emphasize the point that clients are becoming more demanding, more discerning, and less willing to accept risk without recompense. Clients do not want surprise, and are more likely to engage in litigation when things go wrong.KEY WORDS Arbitration claims construction contracts litigation project and riskThe structural design of the reinforced concrete elements was done by consulting engineers Knight Piesold (KP). Quantity surveying services were provided by Hawkins, Leshnick & Bath (HLB). The contract was awarded to Central African Building Corporation (CABCO) who was also responsible for the provision of a specialist roof structure using pat ented “gang nail” roof trusses. The building construction proceeded to completion and was handed over to the owners on Sept. 12, 1991. The SAZ took effective occupation of the headquarters building without a certificate of occupation. Also, the defects liability period was only three months .The roof structure was in place 10 years before partial failure in December 1999. The building insurance coverage did not cover enough, the City of Harare, a government municipality, issued the certificate of occupation 10 years after occupation, and after partial collapse of the roof .At first the SAZ decided to go to arbitration, but this failed to yield an immediate solution. The SAZ then decided to proceed to litigate in court and to bring a negligence claim against CABCO. The preparation for arbitration was reused for litigation. The SAZ‟s quantified losses stood at approximately $ 6 million in Zimbabwe dollars (US $1.2m) .After all parties had examined the facts and evidence before them, it became clear that there was a great probability that the courts might rule that both the architects and the contractor were liable. It was at this stage that the defendants‟ lawyers requested that the matter be settled out of court. The plaintiff agreed to this suggestion, with the terms of the settlement kept confidential .The aim of this critical analysis was to analyse the issues surrounding the partial collapse of the roof of the building housing the HQ of Standard Association of Zimbabwe. It examined the prior roles played by the project management function and construction professionals in preventing/mitigating potential construction problems. It further assessed the extent to which the employer/client and parties to a construction contract are able to recover damages under that contract. The main objective of this critical analysis was to identify an effective risk management strategy for future construction projects. The importance of this study is its multidimensional examination approach.Experience suggests that participants in a project are well able to identify risks based on their own experience. The adoption of a risk management approach, based solely in past experience and dependant on judgement, may work reasonably well in a stable low risk environment. It is unlikely to be effective where there is a change. This is because change requires the extrapolation of past experience, which could be misleading. All construction projects are prototypes to some extent and imply change. Change in the construction industry itself suggests that past experience is unlikely tobe sufficient on its own. A structured approach is required. Such a structure can not and must not replace the experience and expertise of the participant. Rather, it brings additional benefits that assist to clarify objectives, identify the nature of the uncertainties, introduces effective communication systems, improves decision-making, introduces effective risk control measures, protects the project objectives and provides knowledge of the risk history .Construction professionals need to know how to balance the contingencies of risk with their specific contractual, financial, operational and organizational requirements. Many construction professionals look at risks in dividually with a myopic lens and do not realize the potential impact that other associated risks may have on their business operations. Using a holistic risk management approach will enable a firm to identify all of the organization‟s business risks. This will increase the probability of risk mitigation, with the ultimate goal of total risk elimination .Recommended key construction and risk management strategies for future construction projects have been considered and their explanation follows. J.W. Hinchey stated that there is and can be no …best practice‟ standard for risk allocation on a high-profile project or for that matter, any project. He said, instead, successful risk management is a mind-set and a process. According to Hinchey, the ideal mind-set is for the parties and their representatives to, first, be intentional about identifying project risks and then to proceed to develop a systematic and comprehensive process for avoiding, mitigating, managing and finally allocating, by contract, those risks in optimum ways for the particular project. This process is said to necessarily begin as a science and ends as an art .According to D. Atkinson, whether contractor, consultant or promoter, the right team needs to be assembled with the relevant multi-disciplinary experience of that particular type of project and its location. This is said to be necessary not only to allow alternative responses to be explored. But also to ensure that the right questions are asked and the major risks identified. Heads of sources of risk are said to be a convenient way of providing a structure for identifying risks to completion of a participant‟s part of the project. Effective risk management is said to require amulti-disciplinary approach. Inevitably risk management requires examination of engineering, legal and insurance related solutions .It is stated that the use of analytical techniques based on a statistical approach could be of enormous use in decision making . Many of these techniques are said to be relevant to estimation of the consequences of risk events, and not how allocation of risk is to be achieved. In addition, at the present stage of the development of risk management, Atkinson states that it must be recognized that major decisions will be made that can not be based solely on mathematical analysis. The complexity of construction projects means that the project definition in terms of both physical form and organizational structure will be based on consideration of only a relatively small number of risks . This is said to then allow a general structured approach that can be applied to any construction project to increase the awareness of participants .The new, simplified Construction Design and Management Regulations (CDM Regulations) which came in to force in the UK in April 2007, revised and brought together the existing CDM 1994 and the Construction Health Safety and Welfare (CHSW) Regulations 1996, into a single regulatory package.The new CDM regulations offer an opportunity for a step change in health and safety performance and are used to reemphasize the health, safety and broader business benefits of a well-managed and co-ordinated approach to the management of health and safety in construction. I believe that the development of these skills is imperative to provide the client with the most effective services available, delivering the best value project possible.Construction Management at Risk (CM at Risk), similar to established private sector methods of construction contracting, is gaining popularity in the public sector. It is a process that allows a client to select a construction manager (CM) based on qualifications; make the CM a member of a collaborative project team; centralize responsibility for construction under a single contract; obtain a bonded guaranteed maximum price; produce a more manageable, predictable project; save time and money; and reduce risk for the client, the architect and the CM.CM at Risk, a more professional approach to construction, is taking its place along with design-build,bridging and the more traditional process of design-bid-build as an established method of project delivery.The AE can review the CM‟s approach to the work, making helpful recommendations. The CM is allowed to take bids or proposals from subcontractors during completion of contract documents, prior to the guaranteed maximum price (GMP), which reduces the CM‟s risk and provides useful input to design. The procedure is more methodical, manageable, predictable and less risky for all.The procurement of construction is also more business-like. Each trade contractor has a fair shot at being the low bidder without fear of bid shopping. Each must deliver the best to get the projec. Competition in the community is more equitable: all subcontractors have a fair shot at the work .A contingency within the GMP covers unexpected but justifiable costs, and a contingency above the GMP allows for client changes. As long as the subcontractors are within the GMP they are reimbursed to the CM, so the CM represents the client in negotiating inevitable changes with subcontractors.There can be similar problems where each party in a project is separately insured. For this reason a move towards project insurance is recommended. The traditional approach reinforces adversarial attitudes, and even provides incentives for people to overlook or conceal risks in an attempt to avoid or transfer responsibility.A contingency within the GMP covers unexpected but justifiable costs, and a contingency above the GMP allows for client changes. As long as the subcontractors are within the GMP they are reimbursed to the CM, so the CM represents the client in negotiating inevitable changes with subcontractors.There can be similar problems where each party in a project is separately insured. For this reason a move towards project insurance is recommended. The traditional approach reinforces adversarial attitudes, and even provides incentives for people to overlook or conceal risks in an attempt to avoid or transfer responsibility.It was reasonable to assume that between them the defects should have been detected earlier and rectified in good time before the partial roof failure. It did appearjustified for the plaintiff to have brought a negligence claim against both the contractor and the architects.In many projects clients do not understand the importance of their role in facilitating cooperation and coordination; the design is prepared without discussion between designers, manufacturers, suppliers and contractors. This means that the designer can not take advantage of suppliers‟or contractors‟ knowledge of build ability or maintenance requirements and the impact these have on sustainability, the total cost of ownership or health and safety .This risk analysis was able to facilitate, through its multi-dimensional approach to a critical examination of a construction problem, the identification of an effective risk management strategy for future construction projects. This work also served to emphasize the point that clients are becoming more demanding, more discerning, and less willing to accept risk without recompense. They do not want surprises, and are more likely to engage in litigation when things go wrong.国际建设工程风险分析摘要此次分析用实例研究方法分析津巴布韦标准协会总部（SAZ）的屋顶部分坍塌的问题。
工程管理方法英文作文
工程管理方法英文作文英文：Project management is an essential part of any successful project. There are various methods andtechniques that can be used to manage a project effectively. In my experience, I have found that the Agile methodology and the Waterfall methodology are two of the most popular and effective methods.The Agile methodology is a flexible and adaptive approach to project management. It involves breaking a project down into smaller, more manageable tasks, and then prioritizing them based on their importance. The team works in short iterations, typically two to four weeks, and atthe end of each iteration, they deliver a working productor feature. This approach allows for more frequent feedback and collaboration between the team and stakeholders, which helps to ensure that the project stays on track and meets the needs of the stakeholders.The Waterfall methodology, on the other hand, is a more structured and sequential approach to project management.It involves breaking a project down into distinct phases, such as planning, design, development, testing, and deployment. Each phase must be completed before the next one can begin, and there is little room for changes or adjustments once a phase has been completed. This approach is best suited for projects with well-defined requirements and a clear scope.In my experience, I have found that the Agile methodology is best suited for projects that are complex and require a high degree of flexibility and collaboration. For example, when I was working on a software development project, we used the Agile methodology to manage the project. We were able to deliver a working product every two weeks, which allowed us to get frequent feedback from the stakeholders and make adjustments as needed. This approach helped us to stay on track and deliver a successful product.On the other hand, I have also used the Waterfall methodology for projects that have well-defined requirements and a clear scope. For example, when I was working on a construction project, we used the Waterfall methodology to manage the project. We were able to break the project down into distinct phases, such as planning, design, construction, and final inspection. This approach helped us to stay organized and ensure that each phase was completed before moving on to the next one.中文：工程管理是任何成功项目的重要组成部分。
工程管理专业英语作文120字
工程管理专业英语作文120字英文回答：Engineering management is a multifaceted disciplinethat encompasses a broad spectrum of knowledge and skills.It combines the technical expertise of engineering with the managerial principles of business administration. Engineering managers are responsible for overseeing the planning, execution, and evaluation of engineering projects. They must possess a deep understanding of the technical aspects of the project as well as the ability to manage a team of engineers and other professionals.Engineering managers must be able to communicate effectively with both technical and non-technical stakeholders. They must be able to negotiate contracts, manage budgets, and ensure that projects are completed on time and within budget. They must also be able to identify and mitigate risks, and make decisions that are in the best interests of the project and the organization.Engineering management is a challenging and rewarding career path. It offers opportunities for professionals to make a significant contribution to the development and implementation of new technologies. Engineering managers can work in a variety of industries, including manufacturing, construction, healthcare, and aerospace.中文回答：工程管理是一个多方面的学科，包含广泛的知识和技能。
工程管理专业毕业设计外文翻译---研究建筑施工企业的项目成本控制
Study on Project Cost Control of Construction EnterprisesBy: R. Max WidemanAbstract With the increasing maturity of construction market, the competition between construction enterprises is becoming fierce. The project profit is gradually decreasing. It demands that all construction enterprises enhance their cost control, lower costs, improve management efficiency and gain maximal profits. This paper analyses the existing problems on project cost control of Chinese construction enterprises, and proposes some suggestions to improve project cost control system.Key Words ：Construction enterprises, Project management, Cost controlAfter joining the WTO, with Chinese construction market becoming integrated, the competition among architectural enterprises is turning more intense. Construction enterprises must continually enhance the overall competitiveness if they want to develop further at home and abroad construction market. Construction Enterprises basically adopt the "project management-centered" model, therefore, it is particularly important to strengthen project cost control.1.The Current Domestic Project Cost Classification and Control MethodsCost refers to the consumption from producing and selling of certain products, with the performance of various monetary standing for materialized labor and labor-consuming. Direct and indirect costs constitute the total cost, also known as production cost or manufacturing cost. Enterprise product cost is the comprehensive indicator to measure enterprise quality of all aspects. It is not only the fund compensation scale, but also the basis to examine the implementation of cost plan. Besides, it can provide reference for product pricing According to the above-mentioned definition and current domestic cost classification, construction project cost can be divided into direct costs and indirect costs. Direct costs include material cost, personnel cost, construction machinery cost, material transportation cost, temporarily facility cost, engineering cost and other direct cost. Indirect costs mainly result from project management and company's cost-sharing, covering project operating costs (covering the commission of foreign projects), project's management costs (including exchange losses of foreign projects)and company's cost-sharing.At present the main method for domestic construction enterprises to control project cost is to analyze cost, naming economic accounting, which is the major components of cost management and the analysis of economic activities. In accordance with its scope of target and deep-level of content, GM project cost analysis method can be divided into two categories, namely, comprehensive analysis of project cost and cost analysis of unit project Comprehensive analysis of project cost. It is carried in terms of budget and final accounts, cost reduction programs and construction installation costs. The methods used are as follows: (1) comparing the estimated cost and actual cost. Check the result to reduce cost, lower cost index and budget status. (2) comparing actual cost and project cost. Check cost reduction programs as well as the windage between the actual cost and plan cost. Inspect the rationality and implementation of techniques organizational measures and management plans.(3) comparing lower cost of the same period last year. Aanalyze causes and propose the improving direction. (4) Comparison between engineering units in cost-cutting. Identify the units cost-reducing, which finishes projects, with a view to further cost analysis.Cost analysis of unit project. Comprehensive analysis only understand project cost overruns or lower. If we want to get more detailed information, each cost item analysis of unit project is needed. Analysis mainly from the following aspects:(1) Materials cost analysis. From the view of material stock, production, transportation, inventory and management, we can analyze the discrepancy impact of material price and quantity, the cost-reducing effectiveness resulting from various technical measures, the loss from poor management.(2) Labor cost analysis . From the number of employment, hours of use, ergonomics, as well as wage situation, we can identify the savings and waste during labor use and fixed management.(3) Construction machinery cost analysis. From the construction options, mechanization degree, mechanical efficiency, fuel consumption, mechanical maintenance, good rates and utilization, we can analyze the yield and cost discrepancy of fixed-class ergonomics, the cost of poor classes, focused on improving mechanical utilization efficiency and waste caused by poor management.(4) Management cost analysis. From construction task and organizational staffing changes,non-production personnel changes, as well as other expenditure savings and waste, we can analyze management fees and justify the rationality of expenditure.(5) Technology organization measures implementing analysis. It can increase experience for future establishment and implementation of technical organization projects.(6) Other direct costs analysis. Focus on the analysis of second removal and water, electricity, wind, gas and other expenses situation during construction.2. The shortcomings of cost-control methodsAt present, domestic construction projects cost-control methods have played a significant role for Chinese construction industry and construction enterprises to reduce cost and gain sustainable development. However, we should be aware that these methods exist some shortcomings as follows:2.1 Lack of systemization.Presently, the cost control of construction enterprises is a simple control on cost. In fact, project cost control is closely related with project plans and progress, quality and safety. Therefore, cost control should include above-mentioned elements.2.2 Lack of real timeModern project management is increasingly tending real-time management and forward-looking management, paying more attention to "promptly identify and solve problems", emphasizing as much as possible to identify and solve problems before problems occur. The current control system is to control after problems occur, which can't avoid loss.In addition, current cost-control method is static. It can't monitor and reflect timely costs change, therefore, this method can't provide the support of decision-making for projects management under construction.2.3 Lack of error-checking and error-correcting mechanismThe current cost-control method is the single-class without error-checking and error-correcting mechanism. If mistakes occur in the future, we can't discover timely, or even impossible found. 2.4 Lack of compatibilityThere is lack of compatibility between project cost-control and project finance and corporate management system. The project budget is built on ration, but project financial item subjects are based on current financial general regulation. This is not consistent betweenmethods. Specific to the software, financial sector of domestic construction enterprises is generally adopting some general financial software, such as UF, IBM. The software is not specifically for the development of construction enterprise, not reflecting the special nature of construction enterprises. However, the budget software is also not considered financial aspect. The lack of compatibility leads to void labor and low management efficiency. At the same time, it increases the probability of error information and error decision2.5 Limitation on notions and quality of personnelThese days, most of construction enterprises are faced with the shortage of qualified personnel during improving cost-control system. It is difficult to find a suitable person with budget and financial knowledge and practical experience in project management.3. Suggestions for improving domestic cost-control methodsFrom the view of enterprises and projects, project cost control is a system engineering. It needs standardization and systematization, closely related to many factors. If current domestic construction enterprises want to establish a practical and efficient cost control systems, the cost-control methods must be improved as follows:3.1 Establish systemic cost-control systemAccording to the specific situation of enterprises, company's cost-control guiding documents should be developed. Based on current fixed budget, enterprises develop work breakdown structure of specific conditions. And on these base, along with progress, quality and safety factors, cost control system will be established ultimately, including the establishment of project cost real-time control (the first class by full-time staff in the execution of project cost control, reporting cycle for one week or fortnight), project cost integrated control (the second class, by financial officers in the execution of projects, reporting cycle for fortnight or a month) and corporate cost control (the third class, by company's financial sector, reporting cycle for a month or a quarter). Such three class cost control system resolve the problems of real-time and error-correcting mechanism.3.2 Develop specific control processesAccording to enterprises' specific circumstances, we should formulate specific control processes, identify levels for controlling reporting periods, and arrange specific persons to monitor. Throughout reporting period, two kinds of data or information need to be collected: (1)the actual execution of data, including the actual time for beginning or end, and the actual cost.(2) the project scope, progress plan and budget change information. These changes may result from the clients or project teams, or from some unforeseen things such as natural disasters, labor strikes or key project team members to resign. These changes should be included in project plan and obtained the consent of customers, then new baseline plan need to establish. The scope, progress and budget of new plan may be different from initial plan.Above-discussed data or information must be timely collected, so that it can become the base to update project progress and budget. For example, if the project reporting period is a month, data and information should be collected at the end of month as far as possible, which can guarantee progress in the updated plan and budget.3.3 Improve project financial subjectBased on work breakdown structure, enpterpries should improve project financial subjects so that projects match with real-time cost control, company's financial and cost control systems, which can solve the compatibility between cost control and finance. At the same time, financial system and cost control system using the same data format, similar forms and data-sharing can improve effectively. In the short term, construction enterprise can transform the existing software and statements to achieve cost savings and reduce the impact of system transformation. In the long-term, enterprises can adopt suitable management software and build company's integrated management system.3.4 Balance precision control and cost controlWhen improving project control system, we should pay attention to balance precision control and cost control. Cost control is through the whole process of project. Under normal circumstances, enterprises can take a fixed period report. If new problems will be detected, then enterprises should increase the reporting frequency until problems are resolved.3.5 Train current staffEnterprises should gradually train the existing staff for the future reserves. In any system, human element is always the first one. No matter how perfect and advanced a management system is, and it ultimately relies on people.3.6 Identify core contentsThe core contents for cost control are team spirit, technology and work process consistency,standard management methods, foreseeing difficulties and contradictions, fostering a challenging work environment and continuing improvement.研究建筑施工企业的项目成本控制马克斯.怀德曼摘要：随着建筑市场的日趋成熟,建筑施工企业之间的竞争变得激烈。
工程管理方法英文作文
工程管理方法英文作文英文：As a project manager, there are several methods that I use to effectively manage a project. The first method is to create a detailed project plan. This plan includes all the tasks that need to be completed, the timeline for each task, and the resources required for each task. By having a detailed plan, I am able to stay on track and ensure that the project is completed on time.The second method that I use is to communicateeffectively with my team. This includes setting clear expectations, providing regular updates, and beingavailable to answer any questions or concerns. By communicating effectively, my team is able to staymotivated and focused on the project goals.Another method that I use is to identify and manage risks. This involves identifying potential risks that couldimpact the project and developing a plan to mitigate those risks. By being proactive in identifying and managing risks, I am able to minimize any negative impact on the project.Lastly, I believe in continuous improvement. This means that I am always looking for ways to improve my project management skills and processes. Whether it's attending training sessions or seeking feedback from my team, I am constantly striving to become a better project manager.中文：作为一个项目经理，我采用了几种方法来有效地管理项目。
工程管理毕业外文翻译--建筑项目招投标
中文2966字Building engineering biddingYang Cao a,*, Shuhua Wang b, Heng Li aaDepartment of Building and Real Estate, Hong Kong Polytechnic University, HongKong, ChinabState Key Laboratory of Novel Software Technology, Nanjing University, Nanjing210093, ChinaAbstractNowadays in the engineering construction industry, the market which is characteristic for project bidding, has formed. The construction companies,which want to create good benefits, have to control their cost and improve management to enhance the capacity of adapting and competing in this market. This article focuses on how to decrease cost and increase income so as to control the construction cost effectively. bidding documents should be well formulated ,which is the improtment to a successful bidding and direct influence the success or failure of the biddingwork.Becasue the success or failure of the bidding for the survival and development of enterprise has a direct impact, so we have a high quality, improve the bid documents of the unit, prevent invalid and successful pass mark appear, become a research topic.[key] : bidding drawbacks of unfair competition countermeasuresBidding is a form of project transactions, project bidding process is to determine the successful bidder and the cost of the process and the price of the project, project bidding work of a very important link, do a good job bidding to determine the price, we can effectively control construction costs, and create a fair and equitable market environment, create orderly competition mechanism. Bidding in construction activities, construction enterprises in order to tender invincible works to be successful, And from the contracted projects profitable, it needs to integrate various subjective and objective conditions, the tender research strategy determine tender. Tender bidding strategy, including pricing strategies and skills. All of the strategies and skills from the numerous contractors bidding on the accumulated experience and objective understanding of the law and of the actual situation understanding, but also with the contractor's decision-making ability and courage are closely related.Bidding documents is the general programme and play book of the bidding activity through the process of bidding. The bidding documents will specify that How to conduct each bidding work, how to dispatch bidding documents, the requirements for tenderer,how to rate and decide bidding and the procedures of bidding. Therefore, thepersonnel who is responsible for prepare bidding documents should first have a general view of the bidding work, include all the requirements and arrangements into the bidding documents. If meet problems that have not been considered previously, then resolve them one by one during the preparation. The course of bidding documents preparation is also the course of making bidding scheme .In another respect, bidding documents is also the legal instuments. Besides relevant law and rules, the bidding documents are the common game rules that bidder,bidding agent and tenderer should subject to through the bidding. Bidding documents are the legal instuments that all the three bidding related parties should subject to, have legal force, therefore, the bidding documents -making personnel required to have the awareness and quality of leagal in order to reflect the fair, just and legal requirement in the bidding documents.In building engineering bidding law enforcement and the practice of project construction supervision system on standardizing China's construction market, improve the construction quality and played an active role. But in the process of implementing exist some disadvantages, needs to perfect, enrich and improve. This project bidding documents in accordance with the bidding law of the People's Republic of China for bidders, bidding regulation, enterprise strictly, put forward to bidders professional requirements of project profile was illustrated.Nowadays in the engineering construction industry, the market which is characteristic for project bidding, has formed. The construction companies,which want to create good benefits, have to control their cost and improve management to enhance the capacity of adapting and competing in this market. This article focuses on how to decrease cost and increase income so as to control the construction cost effectively.In building engineering bidding law enforcement and the practice of project construction supervision system on standardizing China's construction market, improve the construction quality and played an active role. But in the process of implementing exist some disadvantages, needs to perfect, enrich and improve. This project bidding documents in accordance with the bidding law of the People's Republic of China for bidders, bidding regulation, enterprise strictly, put forward to bidders professional requirements of project profile was illustrated.The practice of project bidding purpose is to market competition of openness, fairness and justice. However, due to the construction market development is not standard, management system and the experience of inadequate, architectural engineering bidding in concrete operation exist in ACTS of unfair competition, and some drawbacks. This obviously violate the bidding, the bidding process, and will lose its significance for other bidder fails to bid is unjust, disturbed the bidding (project contracting market economic order, for activities), this kind of behavior must be prohibited, only in this way can we make construction engineering competitive trading activity lawfully healthy. This subject will I learned and social practice, present situation and construction project bidding system is expounded, and thedisadvantages of bidding for construction project with ACTS of unfair competition phenomenon and analysis of causes, and finally make corresponding preventive countermeasures.Construction cost management system, both theoretical discussion, but also need to practice innovation. Under the conditions of market economy, project cost management, competitive and orderly market for construction management services platform structures. In such a premise, the original scale and method of valuation is inappropriate, and this needs to be reformed and improved. The spirit of "the government's macro regulation and control, enterprise autonomy offer, the market will price" principle, to implement the implementation specification bill of quantity. Inventory Valuation bidding activities are based on market economy mechanism, based on legal, scientific, fair, open and reasonable way to determine the winning bidder of an economic activity. Bidding is bidding activities constitute two basic aspects. The bidding activity is merely that by bidding to choose the one with the workConstruction process capability, moderate cost, quality is excellent, short duration of construction enterprises, and this is the ultimate goal tender. I have participated in internships over the course of the project bidding, and completed over part of the calculation of quantities, combined with graduate experience in the design process, a brief analysis of the mode Quantities Call for TenderThe meaning of risk and risk characteristics of the general construction, the lowest price sealed bidding construction method produces several risks and incentives, according to their characteristics discussed the feasibility of risk control and prevention. Comparison of engineering and engineering security risk management, insurance, similarities and differences between the two projects and benefits; construction project bidding and tendering process characteristics of human behavior is analyzed to reveal the bidder's risk appetite and behavioral characteristics with changes in the external environment change, when the default punishment is light, the bidder preference appetite for risk and default penalties, with the increase exceeds a certain value, the risk of bidders to show preference for behavior change to avoid the risk of penalties, the greater the bidder biased in favor of a more risk-averse behavior, the results of the control and prevention of risk behavior of bidders has an important and practical significanceConstruction Cost Management from the "quantity-one price" plan model to "price of separation volume" model of the market, and gradually establish a market price-based price formation mechanism, the price of the decision in the hands of the parties involved in the market, and ultimately the allocation of resources through the market in order to realize through the market mechanism to decide on project cost. This will standardize the construction market-competitive behavior and the promotion of project bidding mechanisms play an important role in innovation. It can be said that the implementation of the project bill of quantities is a project cost managementsystem in our country a big step forward, but also in China's accession to the WTO, the global construction industry a powerful tool for peer competition.With the construction of in-depth development of the market, the traditional fixed pricing model no longer suited to market-oriented economic development needs. In order to adapt to the current project bidding by the market needs of a project cost, we must work on the existing valuation methods and pricing model for reform, the implementation of projects bill pricing. Engineering is a list of pricing model and adapt to the market economy, allowing independent contractor pricing through market competition determine prices, with the international practice of pricing model. With the bill pricing model projects to promote, in accordance with international bidding practices is imperative. Therefore, "the lowest reasonable price of the successful bidder" My future is the most important evaluation methods. At this stage due to the implementation of projects bill pricing model and the problems mainly against China at this stage " in the minimum reasonable price of the principles of the successful bidder, most contractors have not yet set up their own enterprises of scale, companies unable to determine the reasonable Cost. This article is a scientific and fast set "reasonable cost" to study the key. First, from the project cost of the basic concept, of the engineering bill pricing model under the cost structure, to accurately predict costs of the project provided the basis, considering the average cost of the social cost to individual enterprises and the tender stage of the cost estimates. Followed through on fuzzy math and technology for smooth in-depth analysis, through "close-degree," the concept of reasonable fuzzy math and exponential smoothing technologies, construction of the project cost vague prediction model, and in accordance with the relevant information and statistics Information and experience to establish a "framework structure," the comparison works Construction Cost Management from the "quantity-one price" plan model to "price of separation volume" model of the market, and gradually establish a market price-based price formation mechanism, the price of the decision in the hands of the parties involved in the market, and ultimately the allocation of resources through the market in order to realize through the market mechanism to decide on project cost. This will standardize the construction market-competitive behavior and the promotion of project bidding mechanisms play an important role in innovation. It can be said that the implementation of the project bill of quantities is a project cost management system in our country a big step forward, but also in China's accession to the WTO, the global construction industry a powerful tool for peer competition.A healthy bidding system should be in accordance with the "open, fair and justice" and the principle of good faith, and establish a unified, open, competitive and orderly construction market. In view of the current problems existing in the bidding process, adopt regulations, and formulate and perfect the institution, strengthening process supervision measures, they can better regulate construction market order, prevent corruption from its source, purify construction market, promote the constructionmarket order progressively toward standardization, institutionalized, and constantly improve the quality and lev建筑项目招投标杨曹*,王建民,b, 李亨a建筑部门和房地产、香港理工大学、香港、中国b国家重点实验室的小说软件技术、南京大学、南京210093,中国摘要目前在工程建设项目行业中，以工程招投标为特征的建筑市场已经形成，施工企业为创造良好经济效益，必须严格控制成本，加强成本控制管理，才能提高市场适应能力和竞争力。
工程造价专业外文文献翻译(中英文对照
外文文献：Project Cost Control: The Way it WorksBy R. Max WidemanIn a recent consulting assignment we realized that there was some lack of understanding of the whole system of project cost control, how it is setup and applied. So we decided to write up a description of how it works. Project cost control is not that difficult to follow in theory.First you establish a set of reference baselines. Then, as work progresses, you monitor the work, analyze the findings, forecast the end results and compare those with the reference baselines. If the end results are not satisfactory then you make adjustments as necessary to the work in progress, and repeat the cycle at suitable intervals. If the end results get really out of line with the baseline plan, you may have to change the plan. More likely, there will be (or have been) scope changes that change the reference baselines which means that every time that happens you have to change the baseline plan anyway.But project cost control is a lot more difficult to do in practice, as is evidenced by the number of projects that fail to contain costs. It also involves a significant amount of work, as we shall see, and we might as well start at the beginning. So let us follow the thread of project cost control through the entire project life span.And, while we are at it, we will take the opportunity to point out the proper places for several significant documents. These include the Business Case, the Request for (a capital) Appropriation (for execution), Work Packages and the Work Breakdown Structure, the Project Charter (or Brief), the Project Budget or Cost Plan, Earned Value and the Cost Baseline. All of these contribute to the organization's ability to effectively control project costs.FootnoteI am indebted to my friend Quentin Fleming, the guru of Earned Value, for checking and correcting my work on this topic.The Business Case and Application for (execution) FundingIt is important to note that project cost control is most effective when the executive management responsible has a good understanding of how projects should unfold through the project life span. This means that they exercise their responsibilities at the key decision points between the major phases. They must also recognize the importance of project risk management for identifying and planning to head off at least the most obvious potential risk events.In the project's Concept Phase• Every project starts with someone identifying an opportunity or need. That is usually someone of importance or influence, if the project is to proceed, and that person often becomes the project's sponsor.• To determine the suitability of the potential project, most organizations call for the preparation of a "Business Case" and its "Order of Magnitude" cost to justify the value of the project so that itcan be compared with all the other competing projects. This effort is conducted in the Concept Phase of the project and is done as a part of the organization's management of the entire project portfolio.• The cost of the work of preparing the Business Case is usually covered by corporate management overhead, but it may be carried forward as an accounting cost to the eventual project. No doubt because this will provide a tax benefit to the organization. The problem is, how do you then account for all the projects that are not so carried forward?• If the Business case has sufficient merit, approval will be given to proceed to a Development and Definition phase.In the project's Development or Definition Phase• The objective of the Development Phase is to establish a good understanding of the work involved to produce the required product, estimate the cost and seek capital funding for the actual execution of the project.• In a formalized setting, especially where big projects are involved, this application for funding is often referred to as a Request for (a capital)Appropriation (RFA) or Capital Appropriation Request (CAR).•This requires the collection of more detailed requirements and data to establish what work needsto be done to produce the required product or "deliverable". From this information, a plan is prepared in sufficient detail to give adequate confidence in a dollar figure to be included in the request.• In a less formalized setting, everyone just tries to muddle through.Work Packages and the WBSThe Project Management Plan, Project Brief or Project Charter•If the deliverable consists of a number of different elements, these are identified and assembled into Work Packages (WPs) and presented in the form of a Work Breakdown Structure (WBS).• Each WP involves a set of activities, the "work" that is planned and scheduled as a part of the Project Management Plan. Note, however, that the planning will still be at a relatively high level,and more detailed planning will be necessary during execution if the project is given the go ahead.• This Project Management Plan, by the way, should become the "bible" for the execution phase of the project and is sometimes referred to as the "Project Brief" or the "Project Charter".• The cost of doing the various activities is then estimated and these estimated costs are aggregated to determine the estimated cost of the WP. This approach is known as "detailed estimating" or "bottom up estimating". There are other approaches to estimating that we'll come to in a minute. Either way, the result is an estimated cost of the total work of the project.Note: that project risk management planning is an important part of this exercise. This should examine the project's assumptions and environmental conditions to identify any weaknesses in the plan thus far, and identify those potential risk events that warrant attention for mitigation. This might take the form of specific contingency planning, and/or the setting aside of prudent funding reserves.Request for capitalConverting the estimate•However, an estimate of the work alone is not sufficient for a capital request. To arrive at a capital request some conversion is necessary, for example, by adding prudent allowances such asoverheads, a contingency allowance to cover normal project risks and management reserves to cover unknowns and possible scope changes.•In addition, it may be necessary to convert the estimating data into a financial accounting formatthat satisfies the corporate or sponsor's format for purposes of comparison with other projects and consequent funding approval.• In practice all the data for the type of "bottom up" approach just described may not be available.In this case alternative estimating approaches are adopted that provide various degrees of reliability in a "top down" fashion. For example:Order of Magnitude estimate – a "ball park" estimate, usually reserved for the concept phase onlyAnalogous estimate – an estimate based on previous similar projectsParametric estimate –an estimate based on statistical relationships in historical data•Whichever approach is adopted, hopefully the sum thus arrived at will be approved in full and proves to be satisfactory! This is the trigger to start the Execution Phase of the projectNote: Some managements will approve some lesser sum in the mistaken belief that this will help everyone to "sharpen their pencils" and "work smarter" for the benefit of the organization. This is a mistaken belief because management has failed to understand the nature of uncertainty and risk in project work. Consequently, the effect is more likely to result in "corner cutting" with an adverse effect on product quality, or reduced product scope or functionality. This often leads to a "game" in which estimates are inflated so that management can adjust themdownwards. But to be fair, management is also well aware that if money is over allocated, it will get spent anyway. The smart thing for managements to do is to set aside contingent reserve funds, varying with the riskiness of the project, and keep that money under careful control.Ownership of approved capital•If senior management approves the RFA as presented, the sum in question becomes the responsibility of the designated project sponsor. However, if the approved capital request includes allowances such as a "Management Reserve", this may or may not be passed on to the project's sponsor, depending on the policies of the organization.• For the approved RFA, the project sponsor will, in turn, further delegate expenditure authority to the project's project manager and will likely not include any of the allowances. An exception might be the contingency allowances to cover the normal variations in work performance.• The net sum thus arrived at constitutes the project manager's Approved Project Budget.Note: If management does not approve the RFA, you should not consider this a project failure. Either the goals, objectives, justification and planning need rethinking to increase the value of the project's deliverables, or senior management simply has higher priorities elsewhere for the available resources and funding.The Project's Execution PhaseThe project manager's Project Budget responsibility•Once this Approved Project Budget is released to the project manager, a reverse process must take place to convert it into a working control document. That is, the money available must be divided amongst the various WBS WPs that, by the way, have probably by now been upgraded! This results in a project execution Control Budget or Project Baseline Budget, or simply, the Project Budget. In some areas of project management application it is referred to as a Project Cost Plan. •On a large project where different corporate production divisions are involved, there may be a further intermediate step of creating "Control Accounts" for theseparate divisions, so that each division subdivides their allocated money into their own WBS WPs.• Observe that, since the total Project Budget received formal approval from Executive Management, you, as project manager, must likewise seek and obtain from Executive Management, via the project's sponsor, formal approval for any changes to the total project budget. Often this is only justified and accepted on the basis of a requested Product Scope Change.• In such a case the project's sponsor will either draw down on the management reserve in his or her possession, or submit a supplementary RFA to upper management. • Now that we have the Project Budget money allocated to Work Packages we can further distribute it amongst the various activities of each WP so that we know how much money we have as a "Baseline" cost for each activity.• This provides us with the base of reference for the cost control function. Of course, depending on the circumstances the same thing may be done at the WP level but the ability to control is then at a higher and coarser level.Use of the Earned Value technique• If we have the necessary details another control tool that we can adopt for monitoring ongoing work is the "Earned Value" (EV) technique. This is a considerable art and science that you must learn about from texts dedicated to the subject. • But essentially, you take the costs of the schedule activities and plot them as a cumulative total on the appropriate time base. Again you can do this at the activity level, WP level or the whole project level. The lower the level the more control information you have available but the more work you get involved in. The Cost Baseline•This planned reference S-curve is sometimes referred to as the "Cost Baseline", typically in EVparlance. That is, it is the "Budgeted Cost of Work Scheduled" (BCWS), or more simply the "Planned Value" (PV).•Observe that you need to modify this Cost Baseline every time there is an approved scope change that has cost and/or schedule implications and consequently changesthe project's Approved Project Budget.• Now, as the work progresses, you can plot the "Actual Cost of Work Performed" (ACWP or simply "Actual Cost" - AC).• You can plot other things as well, see diagram referred to above, and if you don't like what you see then you need to take "Corrective Action". CommentaryThis whole process is a cyclic, situational operation and is probably the source of the term "cycle" in the popularly misnamed "project life cycle".As an aside, the Earned Value pundits offer various other techniques within the EV process designed to aid in forecasting the final result, that is, the "Estimate At Completion" (EAC). EAC is what you should really be interested in because it is the only constant in a moving project. Therefore, these extended EV techniques must be considered in the same realm of accuracy as top-down estimating. They are useful, but only if you recognize the limitations and know what you are doing!But, as we said at the beginning, it is a lot more difficult to do in practice –and involves a significant amount of work. But, let's face it, that's what project managers are hired for, right?中文译文：项目成本控制：它的工作方式R.马克斯怀德曼我们在最近的咨询任务中意识到，对于整个项目成本控制体系是如何设置和应用的这个问题，我们仍有一些缺乏了解。
工程管理论文中英文资料对照外文翻译
工程管理论文中英文资料对照外文翻译The Internet is Applicated in Real EstateThe Real Estate Industry and the World Wide Web: Changing Technology, Changing Location.The Internet, in its Web based graphics version, has captured the imagination of both consumers and businesses. Its convenience, speed, low cost and versatility are being exploited on a daily basis in ever-changing ways. Together with its capacity to transform existing businesses, promote new businesses and facilitate exchange of information and data, its other striking attribute has been the speed with which this new technology has spread throughout the global economy.Keywords:The internet;Real Estate;ApplicatedThe number of computer hosts grew by more than ten-fold between 1995 and early 1999. The number of Web sites increased almost 100-fold, to over two million, between 1995 and 1998.Ｂy the year 2000, there will be approximately 400-500 million Internet users in the world, and the total number of Web sites will exceed five million.This new technology has the potential for affecting the real estate industry directly and indirectly. Directly, it may become a tool that allows a real estate business to expand its information and sales network. Indirectly, it may change the location equation where and how firms do business which in turn will affect the role of firms involved in real estate development, investment and transactions.Measuring the Spread of the WebThere are few reliable published statistics on Internet or Web use, and statistics reported by different analysts are often inconsistent. Our discussion of the Web and real estate is based on limited information from surveys and on examination of Web sites rather than on more comprehensive data. We have built our overview of the role of the World Wide Web and real estate by examining a variety of sources(including trade publications, existing Web sites, and our own survey of selected real estate firms)From E-mail to E-commerceBefore the advent of the World Wide Web, the Internet existed mostly for the purposes of e-mail, data transfers, newsgroups and bulletin boards, and its reach was limited primarily to the academic and the defense community. The technology itself was not particularly user-friendly, the network speed was not very high, the medium was limited to text and data, and accessing information was cumbersome and time-consuming. The browser technology greatly simplified usage, enabled multimedia information, and created interactive possibilities. The technology brought together TV entertainment, library information, news bulletins, communication and data in one desktop machine.Although initially the greatest patrons of the Internet were the academic community, the commercial sector quickly caught on to the potential of the Web. The private sector saw in the Web an opportunity to widen its marketing reach, lower costs of information dissemination, improve customer relations, and ultimately to conduct sales. Existing private sector Web sites can be roughly categorized into three types, as summarized. The most basic level is for simple information dissemination. The firm registers a Web site and develops a page giving basic company information. The second stage is an expansion of information, marketing goods and services or providing other customer information. The third stage is the addition of transactions tothe activities possible on the Web site.Most business sites at present are in Stage 2. The use of the World Wide Web for detailed information dissemination, and marketing has had several advantages. For the firm, marketing, information dissemination and customer services on the Web can be monitored and analyzed with some details unavailable from conventional methods of marketing using other media. Internet tools can now provide a firm with data on who accessed the site, which pages were visited most, heavily, from where and for how long. This information contributes to improved measures of the results of promotional efforts. The promotional costs associated with the Internet have also been very low. For example, in direct mail marketing, to send a one-page color brochure to 5,000 random addresses will cost upwards of $2,500. The cost of setting up a Web site could be one-tenth of this amount or less (although tracking and analysis can quickly add to the cost)?Many different sectors, including real estate, have found the Internet to be both efficient and cost-effective as a marketing device.The next logical step - a full-fledged office/store on the Web with transaction capability and commerce on the Internet is now being attempted in varying degrees depending on the firm's area of business. Retail sites selling products between $10 and $100, the kind that are traditionally part of a direct mail sales catalog, seem to be the ones having the greatest success(although 4% of sites sell products over $10,000 and another 13% sell products ranging from $100 to$9,999)?A number of retail sites have also harnessed a secondary revenue stream from advertising. Advertising revenues on the Web have crossed the billion-dollar mark and total Internet generated revenue will approach$100 billion this year.Consumers' Use of the WebSurveys of consumers using the Web suggest that a Web site does notsubstitute for the more traditional forms of business, but can greatly facilitate the run-up to the final transaction. The most common use of the Web is for information searching, closely followed by work-related uses, education, and entertainment. A significant majority of those that use the Web for shopping do so to carry out detailed research on product information（90%）and to do price comparisons（85%）. This more often leads to purchases through normal channels（67%）. Most of the online purchases tend to be of items that are standardized-four of the five top items bought on the Web, according to survey, are software, books, hardware and music (the fifth is travel). More than half of consumers who make purchases on the Web spend less than $500 in a six-month period.The demographics of Web users vary widely in age and income. Surveys by Georgia Tech, Active Media and Web indicate that the average age of Web users is 35 years, with average household income $67,000. Most are college educated (65%). A high proportion of the respondents (42%) has accessed real estate sites.Limits to the Web - Some "Catches" to the New Technology New technology is frequently a mixed blessing, and the World Wide Web is no exception. Apart from the teething troubles that any new technology faces and the time, as well as resources needed to learn, adapt and master it, the Web poses some unique issues and problems of its own. Consumers today are facing information overload of taxing proportions. It is not always easy, or even possible, to locate the relevant information on the Web, despite sophisticated search engines. Once the site is located, fancy graphics, complex linkages, labyrinthine routings, and a lot of irrelevant information may overwhelm the consumer - in short, poor and confusing site design can reduce the site's effectiveness.From the point of view of the business, there are two commonly heardcomplaints. First, the business may find that its site does not figure prominently on search results, limiting the number of customers reached. Second, for many firms, Web initiated leads are as yet few and far between. Real Estate Web SitesReal Estate firms and related businesses were among the early private sector pioneers of Internet use and have had a fast growing presence on the Web. presence on the Web. One example of the real estate sector's presence on the Internet in its pre-World Wide Web incarnation was the real estate classified bulletin board of Prodigy, the online service, which had listings for homes and other real estate. A few real estate related Web sites started in 1994 (generally regarded as the inaugural year of the Web). The New York City Real Estate Guide Web site, created in the summer of 1994, was one of the first to offer free access to the latest New York real estate information. By the summer of 1995, the site was receiving more than 100,000 inquiries a month.The real estate industry registered its entry on the Web in a dramatic way in 1995. By the end of that year there were close to 4,000 real estate Web sites. The content matter of the sites, as well as the mix of real estate related firms on the Web have changed over time. Initially, quite a few of the sites were residential real estate brokerages and listing guides, but fairly rapidly the list expanded to include commercial and retail listings, mortgage brokers,appraisers, architects, real estate attorneys, developers, construction firms, and suppliers. As investment vehicles for real estate expanded, REITs, publicly held firms, and investment advisors also added Web sites.The early real estate broker Web sites quickly took advantage of the unique features of the Web. Prospective customers could find out what properties were for sale or rent, look up detailed descriptions of each listing, view photographs and floor plans, and contact the broker by e-mail. Viewerscould also look up statistical and data reports on conditions in various geographical areas and on emerging macroeconomic trends.Ever since then, the real estate industry has been among the most enthusiastic users of the Web, by some measures accounting for 4% to 6% of commercial Web sites. A survey conducted by Real Estate Broker's Insider in early 1998 confirmed that nearly 95% of the respondents/brokers had a Web site, and more than 90% of the housing stock on sale at a given time is now listed on the Web. Indeed, because of the dispersed, localized nature of the role of information in real estate, the prospective gains from information dissemination, comparability, and Web links were particularly significant in real estate.For much of the real estate sector, the Internet generates not so much the actual transactions themselves, but creates initial leads that are later followed by transactions, purchases and sales. Web sites frequently lead to contacts that are then nurtured through telephone and person-to-person meetings. For residential real estate, Web activity includes residential searches, housing details, and pricing information (both on houses and mortgages), with follow-up contact with brokers. Real estate-related transactions are seen in the hospitality industry (making reservations for hotels and vacation homes and in online mortgage applications). Mortgage and home loan finance companies report both inquiries from mortgage shoppers who obtained initial information from their Web sites, as well as closing of loans through the Web, lead to great savings in time and overhead costs.It is not just the real estate professionals who are enthusiastic about their Internet presence, judging it to be as effective as print and radio advertising. Mortgage shoppers, homebuyers and vacation rental seekers as well applaud, in particular, the convenience it brings to the entire process of searching, researching, comparing, communicating and transacting business.Beyond these sectors, many other types of real-estate related firms are using the Web to broaden their market areas, increase the depth of their marketing, and to provide a range of services to existing customers. Commercial brokers provide not only information on available sites but also on market conditions for different locations and sometimes more in-depth economic analysis of a region. REITs and other investment firms provide detailed information on their products as well as background market or economic information. Public companies provide up-to-date stock quotes and quarterly and annual reports on the Web.Web Penetration and Use: The Experience of Leading Real Estate Firms We conducted a limited survey of a sample of leading real-estate related firms in the US and California. Responses from approximately 60 of these firms showed that over four-fifths had Web Sites by March 1999. 2 Of those with Web sites, one-third had inaugurated their sites by the end of 1996. Among the earliest with a Web presence were brokers, investment firms, lenders, business and financial services firms, law firms, residential developers, and a trade organization. Another third of the group were newcomers, with sites inaugurated in 1998 or early 1999. Commercial developers were prominent among this group, with residential developers, consultants and advisors, lenders, REITs and investment firms also among this group. Those without sites were more likely to be privately held firms with a relatively narrow base of activity (for example, a commercial developer centered in the San Francisco Bay Area)?Most with Web sites used their site to provide information about the company and to market services. In addition, about one-third marketed property from their site, providing detailed information on the characteristics of buildings available, surrounding communities, and other related data. Other Web site uses include employee recruiting, providing information formembers or investors, and disseminating related information on topics such as regulations or real estate markets.What does the Web specifically do for Real Estate?According to Activemedia, an internet research company, some of the sectors experiencing the greatest growth in terms of their presence on the Web in 1998 were computer hardware and software, real estate, publishing and information, finance and Internet services. A significant initial motivation for this rush for the Web is provided by, what can be termed, the "tiptoe" effect. The first ones on the Web had an additional advantage over those who did not; information on their services, products, home listings now be accessed conveniently by those with computers. The low setup cost, however, and the potential disadvantage of not having a Web presence has propelled others in the profession to set up their own sites.Real estate shares in some of the basic advantages of the Web mentioned earlier, such as ease of marketing, communication and feedback from clients, lowered costs of operations and convenience of customer service and support. In addition, the Web provides positive features specific to the real estate industry.Key elements include the following.1.Increased geographic reach.The Web has dramatically increased the geographic reach of both buyers and sellers. Although the "local" aspect of real estate will perhaps never be whittled away completely, there is no doubt that inquiries about properties can now emanate from far away to a much greater degree than before. This, in turn, potentially increases the size and "depth" of the market and makes it more efficient.2.Capability of visualization.In some sense, increased geographic reach has become possible due tothe other emergent feature of the Web, the capability of visualization. In its most state-of-the-art form, Web sites now allow prospective buyers to take virtual tours of homes, resorts, hotels and convention centers.3.Reduced transaction costs.The Web may reduce transactions costs. This has been particularly apparent in the case of mortgages. According to Fannie Mae, 1.5% of all mortgages were handled online this past year. The Web-attributable features that make this kind of a transaction possible are instantaneous comparability, interactive capability, online calculation, online applications, and continuous updating of the sites.4.Improved information dissemination.The Web offers broad opportunities for increasing the scope and depth of information provided by many different types of firms. A well constructed home page gives an overview of a firm's range of services or activities. Links allow the customer or client to learn much more detail about the selected items of most interest, while ignoring less relevant pieces of information. A number of sites take advantage of the ability to link to resources beyond the company's Web pages, linking customers and clients to related Web resources.Unlike retail sectors, such as books and computer hardware, the Web as yet has not become a threat to the "middle man" role of many real estate firms. Instead, it is more likely to be used as a means of expanding services offered or locations served. However, in the long term, the Web and related Internet technology have the potential to change the structure of business activity, which in turn will affect the demand for real estate in type if not in quantity. For example, some retailers already have closed stores while expanding sales on the Web. Also, the Internet has been seen as one factor allowing the decentralization of office space. These trends to date have notled to a decline, but rather to a redistribution in the demand for office, retail and warehouse space.These are summarized .Speculation on Potential Impact of Internet on Real Estate Industry.1.Shortening of Transaction Cycle2.Precise Market Targeting3.Transformed Competition4.Cost savings:a)Marketing,b)Sales,c)Operation5.Possibility of Disintermediation;Lowering of Commissionsbination of Comparison Shopping and Direct Sales7.Access to MBS Secondary MarketHow to Find the Real Estate Sector on the WebThere are a few key sites that can be used to access the broad range of real-estate related Web sites. These include:-Site sponsored by the National Association of Realtors, linking users to realtor, home sales and market information.-Site sponsored by the National Association of Home Builders, providing a wide range of market information.-Directory to commercial real estate sites, including brokers,developers, investors and analysts. and , two sites that provide users with information about mortgage rates, mortgage brokers and with the opportunity to submit an application online. (National Association of Real Estate Investment Trusts) and (Real Estate Investment Advisory Council), two associations related to real estate investment trusts.-The California Association of Realtors site.the site for the Urban Land Institute, with information onthe organization, programs, conferences, and publications related to real estate and land use. has three online magazines including National Real Estate Investor, Shopping Center World, and Midwest Real Estate News. An additional real estate online magazine, can available at .Ashok Deo BardhanRESEARCH FELLOWCynthia A. KrollREGIONAL ECONOMIST互联网在房地产业的应用摘要：互联网，仅仅它的网页图形版本，就已经吸引了众多消费者和商家的目光。
工程管理毕业设计外文翻译--建筑施工混凝土裂缝的预防与处理
毕业设计外文翻译课题名称中兴•文华园7#楼施工组织设计姓名学号院、系、部建筑工程系专业班级工程管理专业指导教师2013年5月Building construction concrete crack ofprevention and processingDimosi M《CANADIAN JOURNAL OF CIVIL ENGINEERING》Abstract：The crack problem of concrete is a widespread existence but again difficult in solve of engineering actual problem, this text carried on a study analysis to a little bit familiar crack problem in the concrete engineering, and aim at concrete the circumstance put forward some prevention, processing measure.Keyword: Concrete crack prevention processingForewordConcrete's ising 1 kind is anticipate by the freestone bone, cement, water and other mixture but formation of the in addition material of quality brittleness not and all material. Because the concrete construction transform with oneself, control etc. a series problem, harden model of in the concrete existence numerous tiny hole, spirit cave and tiny crack, is exactly because these beginning start blemish of existence just make the concrete present one some not and all the characteristic of quality. The tiny crack is a kind of harmless crack and accept concrete heavy, defend permeation and a little bit other use function not a creation to endanger. But after the concrete be subjected to lotus carry, difference in temperature etc. function, tiny crack would continuously of expand with connect, end formation we can see without the aid of instruments of macro view the crack be also the crack that the concrete often say in the engineering. Concrete building and Gou piece usually all take sewer to make of, because of crack of existence and development usually make inner part of reinforcing bar etc. material creation decay, lower reinforced concrete material of loading ability, durable and anti- permeation ability, influence building of external appearance, service life, severity will threat arrive people's life and property safety. A lot of all of crash of engineering is because of the unsteady development of the crack with the result that. Modern age science research with a great deal of the concrete engineering practice certificate, in the concrete engineering crack problem is ineluctable, also acceptable in certainly of the scope just need to adopt valid of measure will it endanger degree control at certain of scope inside. The reinforced concrete norm is also explicit provision: Some structure at place of dissimilarity under the condition allow existence certain the crack of width. But at under construction should as far as possible adopt a valid measure control crack creation, make the structure don't appear crack possibly or as far as possible decrease crack of amount and width, particularly want to as far as possible avoid harmful crack of emergence, insure engineering quality thus.Concrete crack creation of the reason be a lot of and have already transformed to cause of crack: Such as temperature variety, constringency, inflation, the asymmetry sink to sink etc. reason cause of crack; Have outside carry the crack that the functioncause; Protected environment not appropriate the crack etc. caused with chemical effect. Want differentiation to treat in the actual engineering, work out a problem according to the actual circumstance.In the concrete engineering the familiar crack and the prevention1.Desiccation fissure and preventionDesiccation fissure crack much appear after the concrete protect be over of a period of time or concrete sprinkle to build to complete behind of around a week. In the cement syrup humidity of evaporate would creation desiccation, and this kind of constringency is can't negative. Desiccation fissure crack of the creation be main is because of concrete inside outside humidity evaporate degree dissimilarity but cause to transform dissimilarity of result: The concrete is subjected to exterior condition of influence, surface humidity loss lead quick, transform bigger, inner part degree of humidity variety smaller transform smaller, bigger surface stem the shrink transform to be subjected to concrete inner part control, creation more big pull should dint but creation crack. The relative humidity is more low, cement syrup body stem shrink more big, stem the shrink crack be more easy creation. Desiccation fissure is much surface parallel lines form or the net shallow thin crack, width many between 0.05-0.2 mm, the flat surface part much see in the big physical volume concrete and follow it more in thinner beam plank short to distribute. Desiccation fissur usually the anti-extend of influence concrete, cause the durable of the rust eclipse influence concrete of reinforcing bar, under the function of the water pressure dint would creation the water power split crack influence concrete of loading dint etc. Concrete stem the shrink be main with water ash of the concrete ratio, the dosage of the composition, cement of cement, gather to anticipate of the dosage of the property and dosage, in addition etc. relevant.Main prevention measure: While being to choose to use the constringency quantity smaller cement, general low hot water mire and powder ash from stove cement in the adoption, lower the dosage of cement. Two is a concrete of stem the shrink be subjected to water ash ratio of influence more big, water ash ratio more big, stem shrink more big, so in the concrete match the ratio the design should as far as possible control good water ash ratio of choose to use, the Chan add in the meantime accommodation of reduce water. Three is strict control concrete mix blend with under construction of match ratio, use of concrete water quantity absolute can't big in match ratio design give settle of use water quantity. Four is the earlier period which strengthen concrete to protect, and appropriate extension protect of concrete time. Winter construction want tobe appropriate extension concrete heat preservation to overlay time, and to protect. Five is a constitution the accommodation is in the concrete structure of the constringency sew.2. The Su constringency crack and preventionSu constringency is the concrete is before condense, surface because of lose water quicker but creation of constringency. The Su constringency crack is general at dry heat or strong wind the weather appear, crack's much presenting in the center breadth, both ends be in the center thin and the length be different, with each other not coherent appearance. Shorter crack general long 20-30 cm, the longer crack can reach to a 2-3 m, breadth 1-5 mm. It creation of main reason is: The concrete is eventually almost having no strength or strength before the coagulate very small, perhaps concrete just eventually coagulate but strength very hour, be subjected to heat or compare strong wind dint of influence, the concrete surface lose water to lead quick, result in the capillary creation bigger negative press but make a concrete physical volume sharply constringency, but at this time the strength of concrete again can't resist its constringency, therefore creation cracked. The influence concrete Su constringency open the main factor of crack to have water ash ratio, concrete of condense time, environment temperature, wind velocity, relative humidity etc..Main prevention measure: One is choose to use stem the shrink value smaller higher Portland cement of the earlier period strength or common the Portland cement brine mire. Two is strict the control water ash ratio, the Chan add to efficiently reduce water to increment the collapse of concrete fall a degree and with easy, decrease cement and water of dosage. Three is to sprinkle before building concrete, water basic level and template even to soak through. Four is in time to overlay the perhaps damp grass mat of the plastics thin film, hemp slice etc., keep concrete eventually before the coagulate surface is moist, perhaps spray to protect etc. to carry on protect in the concrete surface. Five is in the heat and strong wind the weather to want to establish to hide sun and block breeze facilities, protect in time.3. Sink to sink crack and preventionThe creation which sink to sink crack is because of the structure foundation soil quality not and evenly, loose soft or return to fill soil dishonest or soak in water but result in the asymmetry sink to decline with the result that; Perhaps because of template just degree shortage, the template propped up to once be apart from big or prop up bottom loose move etc. to cause, especially at winter, the template prop up at jelly soil up, jelly the soil turn jelly empress creation asymmetry to sink to decline and causeconcrete structure creation crack. This kind crack many is deep enter or pierce through sex crack, it alignment have something to do with sinking to sink a circumstance, general follow with ground perpendicular or present 30 °s-45 °Cape direction development, bigger sink to sink crack, usually have certain of wrong, crack width usually with sink to decline quantity direct proportion relation. Crack width under the influence of temperature variety smaller. The foundation after transform stability sink to sink crack also basic tend in stability.Main prevention measure: One is rightness loose soft soil, return to fill soil foundation a construction at the upper part structure front should carry on necessity of Hang solid with reinforce. Two is the strength that assurance template is enough and just degree, and prop up firm, and make the foundation be subjected to dint even. Three is keep concrete from sprinkle infusing the foundation in the process is soak by water. Four is time that template tore down to can't be too early, and want to notice to dismantle a mold order of sequence. Five is at jelly soil top take to establish template to notice to adopt certain of prevention measure.4. Temperature crack and preventionTemperature crack much the occurrence is in big surface or difference in temperature variety of the physical volume concrete compare the earth area of the concrete structure. Concrete after sprinkling to build, in the hardening the process, cement water turn a creation a great deal of water turn hot, .(be the cement dosage is in the 350-550 kg/m 3, each sign square the rice concrete will release a calories of 17500-27500 kJ and make concrete internal thus the temperature rise to reach to 70 ℃or so even higher)Because the physical volume of concrete be more big, a great deal of water turn hot accumulate at the concrete inner part but not easy send forth, cause inner part the temperature hock, but the concrete surface spread hot more quick, so formation inside outside of bigger difference in temperature, the bigger difference in temperature result in inner part and exterior hot the degree of the bulge cold shrink dissimilarity, make concrete surface creation certain of pull should dint. When pull should dint exceed the anti- of concrete pull strength extreme limit, concrete surface meeting creation crack, this kind of crack much occurrence after the concrete under construction period. In the concrete of under construction be difference in temperature variety more big, perhaps is a concrete to be subjected to assault of cold wave etc., will cause concrete surface the temperature sharply descend, but creation constringency, surface constringency of the concrete be subjected to inner part concrete of control, creation very big of pull should dint but creation crack, this kind of crack usually just in more shallow scope of the concretesurface creation.The alignment of the temperature crack usually none settle regulation, big area structure the crack often maneuver interleave; The size bigger structure of the beam plank length, the crack run parallel with short side more; Thorough with pierce through sex of temperature crack general and short side direction parallelism or close parallelism, crack along long side cent the segment appear, in the center more airtight. Crack width the size be different, be subjected to temperature variety influence more obvious, winter compare breadth, summer more narrow. The concrete temperature crack that the heat inflation cause is usually in the center the thick both ends be thin, but cold shrink crack of thick thin variety not too obvious. The emergence of the this kind crack will cause the rust eclipse of reinforcing bar, the carbonization of concrete, the anti- jelly which lower concrete melt, anti- tired and anti-extend ability etc..Main prevention measure: One is as far as possible choose to use low hot or medium hot water mire, like mineral residue cement, powder ash from stove cement etc. Two is a decrease cement dosage, cement dosage as far as possible the control is in the 450 kg/m 3 following. Three is to lower water ash ratio, water ash of the general concrete ratio control below 0.6.Four is improvement the bone anticipate class to go together with, the Chan add powder ash from stove or efficiently reduce water etc. to come to reduce cement dosage and lower water to turn hot. Five is an improvement concrete of mix blend to process a craft, lower sprinkle of concrete to build temperature. Six is the in addition that the Chan add a have of fixed amount to reduce water and increase Su, slow coagulate etc. function in the concrete, improvement the concrete mix to match a thing of mobility, protect water, lower water to turn hot, postpone thermal spike of emergence time. Seven is the heat season sprinkle to build can the adoption take to establish to hide sun plank etc. assistance measure control concrete of temperature rise, lower to sprinkle temperature of build the concrete. Eight is the temperature of big physical volume concrete should the dint relate to structure size, concrete structure size more big, temperature should dint more big, so want reasonable arrangement construction work preface, layering, cent the piece sprinkle to build, for the convenience of in spread hot, let up control. Nine is at great inner part constitution of the physical volume concrete cool off piping, cold water perhaps cold air cool off, let up concrete of inside outside difference in temperature. Ten is the supervision which strengthen concrete temperature, adopt to cool off in time, protection measure.11 is to reserve temperature constringency to sew.12 is to let up to control, sprinkle proper before building concrete in the pitch rock and old concrete top build a 5 mm or so sandmat a layer or usage asphalt etc. material Tu2 Shua.13 is to strengthen concrete to protect, the concrete after sprinkle build use moist straw in time, hemp slice's etc. overlay, and attention sprinkle water to protect, appropriate extension protect time, assurance the concrete surface be slow-moving cool off. At the cold season, concrete surface should constitution heat preservation measure, in order to prevent cold wave assault.14 is the allocation be a little amount in the concrete of reinforcing bar perhaps add fiber material concrete of temperature crack control at certain of scope inside. ConclusionThe crack is widespread in the concrete structure existence of a kind of phenomenon, it of emergence not only will lower the anti-extend of building ability, influence building of usage function, and will cause the rust eclipse of reinforcing bar, the carbonization of concrete, lower the durable of material, influence building of loading ability, so want to carry on to the concrete crack earnest research, differentiation treat, adoption reasonable of the method carry on processing, and at under construction adopt various valid of prevention measure to prevention crack of emergence and development, assurance building and Gou piece safety, stability work.建筑施工混凝土裂缝的预防与处理迪默斯M《加拿大土木工程学报》摘要：混凝土的裂缝问题是一个普遍存在而又难于解决的工程实际问题，本文对混凝土工程中常见的一些裂缝问题进行了探讨分析，并针对具体情况提出了一些预防、处理措施。
土木工程质量管理中英文对照外文翻译文献
中英文资料(文档含英文原文和中文翻译)中英文资料外文翻译文献On civil engineering construction project quality management1 IntroductionCivil engineering building project success lies in the quality of quality, separate, other everything is out of the question. Therefore, to take civil engineering construction quality management in the construction project implementation plan and implementation process.In practice, no more than the use of engineering quality of care. But to ensure the construction quality, using the party there is a need for the organization experienced professional quality management team, design of the whole construction process, including engineering design, construction units, building material, construction process and supervision and other aspects of the management, but also guide the construction unit of the construction personnel to timely and effectively encourages training. This article from the above several aspects to discuss.2.construction of the effective surveillance on the use of unit, design unit as a design once, is the work of supervisors, why should I organize the quality surveillance team? Because our country construction there are still many unsatisfactory objective or objective aspects, the unit is necessary to hire have thesense of responsibility, have management experience, familiar with the policies and regulations, have good communication ability quality management, set up quality management team, the construction design and construction process for effective management monitoring. The management team, can according to the engineering build pause status stop adjustment, implementation of compulsory system. On ordinary civil construction, quality management is relatively easy, with the possible exception of new information on the use of new technology, the whole quality management more rule-based. On special request of civil building engineering, quality management will be arranged to stop.First of all, on the quality of project design management. This stage, mainly for the design units in strict accordance with the unit can the fundamental request stop design, to check whether reasonable design plan, design intent can and the surrounding geographical environment as well as local humane environment of harmony, in the technology and the budget is feasible, can be advanced technology, reliable structure can safely, whether the unit in charge of construction appropriate technology request etc..These aspects of the management and inspection, in relation to the whole building after project completion, in the use of function, quality, human physical performance and other aspects whether can reach certain degree of satisfaction of the big issue.At this stage, management personnel more to listen to designers to design the idea", a lot of advisory application unit in macroscopical and microcosmic staff views oninitiative, make design to perfection.In addition, to check the design drawings can correctly reflect the design plan, calculated correctly, drawing dimensioning can have mistakenly, selection of materials and construction request whether reasonable, the overall design of various departments such as can harmonious design. Because our country is in the design and supervision work still is lacked very much, in the aspects of management and examination must be careful, in order to prevent subsequent quality disputes.Secondly, to the construction supervision supervision.Construction supervision is the key to guarantee the construction quality. Quality management departments should promptly to supervision departments to key local construction quality monitoring report, implement supervision duty. At the same time, but also in a timely manner, sampling test, certain construction technology can fit design request. On construction supervision departments, to check its supervision can improve the supervision work procedure, to check whether supervision report specification, not in conformity with the requests of construction operation can be corrected in a timely manner.Again, on the construction equipment and construction personnel basic quality supervision and inspection construction can stop, with safe and reliable, can satisfy the design request and to complete construction; construction team consisting of whether reasonable, the construction of the technical staff to whether accord with basic request, especially on special request link, can have the equivalent level technical personnel in charge of participating in the construction process. Payattention to the quality of construction unit, it progresses to the legal view. On raw materials procurement and construction of test procedures are detailed records.In addition, to stop the construction effect of sampling, discover a problem, timely and inspect manage personnel contact, stop the rectification, to prevent the engineering dispute, avoid engineering quality formation of waste.3construction of the various communication quality management work is not a design and construction method for cubic, but the entire project important constituent, it is designed with all relevant units of the divergent interests of. Present quality problems, the parties involved have the duty, have loss. At this point, the quality management must communicate with relevant parties, won the understanding and support. In addition, in the process of construction, also often encounter the construction side of the design request of doubt problem. The generation of these problems, sometimes due to the use of units of detailed request, some are the result of the design concept and design thoughts of the reasons, some due to the construction process the request of different caused. These problems cannot be ignored, should be promptly to communicate, understand the request, the timely adjustment. Not conscious construction, so that the practical results and design request is betrayed, and the use of units of the basic request of betrayal, unnecessary disputes and losses.4construction personnel training and encourage civil engineering buildingoperators is worker of a gleam of. From the present situation, the construction team of individual technical quality is also very important. Some construction unit, construction personnel activity, the construction of personnel practice degree no true assessment, making the construction quality to sell at a discount greatly.Then, is it right? A start to construction personnel examination, request to high level? At least from the now situation, which is not ideal. First, each building project on the detailed construction technology has different request. In the organization of the construction process, request a certain proportion of with some degree of worker technician, another local can have initial operation skills of construction workers. During the construction process, to guide the construction of a reasonable distribution of work, make the workers work in practice to further mature some basic types of operational procedures and technical requirements, and on this basis, the organization staff to stop training, make the understanding of the new technology, become established during the construction of the backbone. Then let them in the work of a scheme to other construction personnel to impart technical.In this respect, the construction unit according to the detailed status of layout. There has been a reasonable training mechanism, the construction personnel to understand the practical operation level, and improve their technical level of power. In the long run, the overall quality of the progress of the construction unit is also very important.On the other hand, effective encouragement and improve construction workerjob enthusiasm and learning enthusiasm of the necessary measures. Frontline workers mostly from rural, energy consumption, the low pay, the mood is stable. Therefore, to establish effective encouraging mechanism. To ensure that the wage Qing month, labor safeguard measures, management of human nature, care workers and Ankang. In addition, to organize the workers involved in the construction management and technology research, fully adjustable open invention enthusiasm of workers. Technology progress leads to an increase in income, so as to promote the stable construction team, the construction quality is very important. It is hard to imagine that a majority of people full of grievances of the construction team can achieve the task.5ConclusionIt is often said, should be " a matter of expediency in construction, quality first", however, the quality problem is emerge in an endless stream. If in the construction process of some links, quality difference, these difference basically from accumulated will change the whole engineering quality. Therefore, do not let every link of the quality monitoring, on the problem of construction promptly corrected, is to use units, design units, as for as to construction unit as, namely to society as. With such a sense of duty, our engineering degree will gradually progress, can form the good work habits. Constitute the benign development of building construction environment. On the other hand, quality management can't think ofwhat to do what, to systematic, procedural, design the whole management process, all the data, project compilation record, best to establish a computer database, stored in the computer. Management of examination conclusions, text, image, and correcting the situation chart problem timely records. This is the construction quality management informatization is the inevitable trend of development. This is my civil engineering construction quality management shortcomings, to be further developed.译文：关于土木工程施工项目的质量管理1.引言土木工程建立项目的成败在于质量，分开质量，其他一切都无从谈起。
工程管理外文翻译(原文+译文)
Concrete Construction matterT. Pauly, M. J. N. PriestleyAbstractViewed in terms of accepted practices, concrete construction operations leave much to be desired with respect to the quality, serviceability, and safety of completed structures. The shortcomings of these operations became abundantly clear when a magnitude 7.6 earthquake struck northern Paki-stan on October 8, 2005, destroying thousands of buildings, damaging bridges, and killing an esti-mated 79,000 people. The unusually low quality of construction operations prevalent was a major cause of the immense devastation.Keywords: Concrete Placing Curing Construction TechnologyPlacing ConcreteIf concrete is placed in the surface, the sur-face should be filled with water sufficiently to prevent it from absorbing the concrete of its water. If fresh concrete is to be placed on or nearby to concrete that has solidified, the surface of the placed concrete should be cleaned absolutely, preferably with a high-pressure air or water jet or steel-wire brushes. The surface should be wet, but there should be no much water. A little quantity of cement grout should be brushed over the whole area, and then followed immediately with the application of a 1/2-in Layer of mortar. The fresh concrete should be placed on or against the mortar.In order to decrease the disintegration re-sulting from carriage after it is placed. The con-crete should be placed as nearly as probably in itsfinal point. It should be placed in layers to permit uniform compaction. The time interval between the placing of layers should be limited to assure perfect bond between the fresh and previously placed concrete.In placing concrete in deeper patters, a ves-sel should be used to limit the free fall to not over 3 or 4 ft, in order to prevent concrete disintegra-tion. The vessel is a pipe made of lightweight metal, having adjustable lengths and attached to the bottom of a hopper into which the concrete is deposited. As the patters are filled, sections of the pipe may be removed.Immediately after the concrete is placed, it should be compacted by hand pudding or a me-chanical vibrator to eliminate voids. The vibrator should be left in one position only long enough to reduce the concrete around it to a plastic mass; then the vibrator should be moved, or disintegra-tion of the aggregate will occur. In general, the vibrator should not be permitted to penetrate concrete in the prior lift.The mainly advantage of vibrating is that it permits the use of a drier concrete, which has a higher strength because of the reduced water content. Among the advantages of vibrating con-crete are the following:1.The decreased water permits a reduction in the cement and fine aggregate because less cement paste is needed.2.The lower water content decreases shrinkage and voids.3.The drier concrete decreases the cost of finishing the surface.4.Mechanical vibration may replace three to eight hand puddles.5.The lower water content increases the strength of the concrete.6.The drier mixture permits theremoval of some patters more quickly, which may reduce the cost of patters.Curing ConcreteIf concrete is to gain its maximum strength and other desirable properties, it should be cured with adequate moisture and at a favorable tem-perature. Failure to provide these conditions may result in an inferior concrete.The initial moisture in concrete is adequate to hydrate all the cement, provided it is not should replace the moisture that does evaporate. This may be accomplished by many methods, such as leaving the patters in place, keeping the surface wet, or covering the surface with a liquid curing compound, which comes being to a water-tight membrane that prevents the escape of the initial water. Curing compounds may be applied by brushes or pressure sprayers. A gallon will cover 200 to 300 sq ft.Concrete should be placed at a temperature not less than 40 or more than 80°F.A lower tem-perature will decrease the rate of setting, while ahigher temperature will decrease the ultimate strength.Placing Concrete in Cold WeatherWhen the concrete is placed during cold weather, it is usually necessary to preheat the water, the aggregate, or both in order that the ini-tial temperature will assure an initial set and gain in strength .Preheating the water is the most ef-fective method of providing the necessary tem-perature. For this purpose a water reservoir should be equipped with pipe coils through which steam can be passed, or steam may bedischarged directly into the water, several outlets being used to given better distribution of the heat.When the temperatures of the mixtures are known, some specific charts may be used to cal-culate the temperature of concrete. A straight line pass all three scales, passing through every two known temperatures, will assure the determina-tion of the third temperature. If the surface of sand isdry, the fact lines of the scales giving the temperature of concrete should be used. However, if the sand contains about 3 percent moisture, the dotted lines should be used.Specifications usually demand that freshly placed concrete shall be kept at a temperature of not less than 70°F for 3 days or 50°F for 5 days after it is placed. Some proper method must be provided to keep the demanded temperature when the cold weather is estimated.Reinforcing steels for concreteCompared with concrete, steel is a high strength material. The useful strength of ordinary reinforcing steels in tension as well as compres-sion, i.e., the yield strength, is about 15 times the compressive strength of common structural con-crete, and well over 100 times its tensile strength. On the other hand, steel is a high-cost material compared with concrete. It follow that the two materials are the best used in combination if theconcrete is made to resist the compressive stresses and the compressive force, longitudinal steel reinforcing bars are located close to the ten-sion face to resist the tension force., and usually additional steel bars are so disposed that they re-sist the inclined tension stresses that are caused by the shear force in the beams. However, rein-forcement is also used for resisting compressive forces primarily where it is desired to reduce the cross-sectional dimensions of compression members, as in the lower-floor columns of multi-story buildings. Even if no such necessity exits , a minimum amount of reinforce- ment is placed in all compression members to safeguard them against the effects of small accidental bending moments that might crack and even fail an unre-inforced member.For most effective reinforcing action, it is essential that steel and concrete deform together, i. e., that there be a sufficiently strong bond be-tween the two materials to ensure that no relative movements of the steel bars and the surrounding concrete occur. This bond is provided by the rela-tively large chemical adhesion which develops at the steel-concrete interface, by the natural roughness of the mill scale of hot-rolled rein-forcing bars , and by the closely spaced rib-shap-ed surface deformations with which reinforcing bars are furnished in order to provide a high de-gree of interlocking of the two materials.Steel is used in two different ways in con-crete structures: as reinforcing steel and as prestressing steel .reinforcing steel is placed in the forms prior to casting of the concrete. Stresses in the steel, as in the hardened concrete, are caused only by the loads on the structure, except for possible parasitic stresses from shrinkage or similar causes. In contrast, in priestesses concrete structures large tension forces are applied to the reinforcement prior to letting it act jointly with the concrete in resistingexternal.The most common type of reinforcing steel is in the form of round bars, sometimes called rebars, available in a large range of diameters,from 10 to 35 mm for ordinary applications and in two heavy bar sizes off 44 and 57 mm these bars are furnished with surface deformations for the purpose of increasing resistance to slip be-tween steel and concrete minimum requirements for these deformations have been developed in experimental research. Different bar producers use different patterns, all of which satisfy these requirements.Welding of rebars in making splices, or for convenience in fabricating reinforcing cages for placement in the forms, may result in metal-lurgical changes that reduce both strength and ductility, and special restrictions must be placed both strength and ductility, and special restric-tions must be placed both on the type of steel used and the welding procedures the provisions of ASTM A706 relatespecifically to welding.In reinforced concrete a long-time trend is evident toward the use of higher strength materi-als, both steel and concrete.Reinforcing bars with 40ksi yield stress , almost standard 20 years ago , have largely been replaced by bars with 60ksi yield stress , both because they are more economical and because their use tends to reduce congestion of steel in the forms .The ACI Code permits reinforcing steels up to Fy=80ksi. Such high strength steels usually yield gradually but have no yield plateau in this situation the ACI Code requires that at the speci-fied minimum yield strength the total strain shall not exceed 0.0035 this is necessary to make cur-rent design methods, which were developed for sharp-yielding steels with a yield plateau, appli-cable to such higher strength steels. there is no ASTM specification for deformed bars may be used , according to the ACI Code , providing they meet the requirements stated under special circumstances steel in this higher strength range has its place, e.g., in lower-story columns of high-rise buildings.In order to minimize corrosion of rein-forcement and consequent spelling of concrete under sever exposure conditions such as in bridge decks subjected to deicing chemicals , galvanized or epoxy-coated rebars may be specified.Repair of Concrete StructuresReinforced concrete is generally a very du-rable structural material and very little repair work is usually needed. However, its durability can be affected by a variety of causes, including those of design and construction faults, use of inferior materials and exposure to aggressive en-vironment. The need for a repair is primarily dic-tated by the severity of the deterioration as de-termined from the diagnosis. Good workmanship is essential if any thing more than just a cosmetic treatment to the creation is required.1. performance requirements of repair systemHaving established the causes of the defect by carefully diagnosing the distress, the next step should be to consider the requirements of the re-pair method that will offer an effective solution to the problem (see fig.).①DurabilityIt is important to select repair materials that provide adequate durability. Materials used for the repair job should be at least as durable as the substrate concrete to which it is applied.②Protection of steelThe mechanism of protection provided to the reinforcing depends on the type of repair ma-terials used. For example, cementations materials can protect the steel from further corrosion by their inhibitive effect of increasing the alkalinity of the concrete, whereas epoxy resin mortars can give protection against the ingress of oxygen,moisture and other harmful agents.③Bond with substrateThe bond with the substrate must produce an integral repair to prevent entry of moisture and atmospheric gases at the interface. With most re-pair materials, the bond is greatly enhanced with the use of a suitable bonding aid such as an un-filled epoxy resin systems and slurry of Portland cement, plus any latex additives for a Portland cement-based repair system. Precautions should also be takento remove all loose and friable ma-terials from the surfaces to be bonded.④Dimensional StabilityShrinkage of materials during curing should be kept to a minimum. Subsequent dimensional change should be very close in the substrate in order to prevent failure⑤Initial Resistance to Environmentally In-duced DamageSome initial exposure conditions may lead to premature damage lo repairs. For example, partially cured Portland cement repairs can dete-riorate from hot weather preventing full hydration of the cement. To prevent this from happening extra protection during curing time may be nec-essary.⑥Ease of ApplicationMaterials should be easily mixed and ap-plied so that they can be worked readily into small crevices and voids. Ideally, the material should not stick to tools, and should not shear while being trowel led nor slump after placement.⑦AppearanceThe degree to which the repair material should match the existing concrete will depend on the use of the structure and the client' s re-quirements. A surface coating may be required when appearance is important or when cover to reinforcement is small.2. Selection of Repair MethodsA suitable repair counteracts all the defi-ciencies which are relevant to the use of the structure.The selection of tile correct method and material for a particular, application requires careful consideration, whether to meet special requirements for placing strength, durability or other short-or long-term properties. These con-siderations include:1. Nature of the DistressIf alive crack is filled with a rigid material, then either the repair material will eventually fail or some new cracking will occur adjacent to the original crack. Repairs to live cracks must either use flexible materials to accommodate move-ments or else steps must be taken prior to the re-pair to eliminate the movement.2. Position of the CrackTechniques which rely on gravity to intro-duce the material into the crack are more suc-cessfully carried out on horizontal surfaces but are rarely effective on vertical ones.3. EnvironmentIf moisture, water or contaminants are found in the crack, then it is necessary to rectify the leaks Repair to slop leaks may be further com-plicated by the need to make the repairs while the structure is in service and the environment is damp.4. WorkmanshipThe skill the operatives available to carry put the repairs is another relevant factors. Some-times this can mean the difference between a permanent repair and premature failure of the re-pair material.5. CostThe cost of repair materials is usually small compared with the costs of providing access, preparation and actual labor.6. AppearanceThe repair surface may be unsightly, par-ticularly when it appears on a prominent part of the building. In this case, the repair system will include some form of treatment over the entire surface.Reference[1]Philip Jodidio, Contemporary European Architecture, Taschen, Koln, pp.148-153[2]Ann Breen & Dick Rigby, Waterfronts, McGraw-Hill, Inc. New York, 1994, pp.297-300[3]Ann Breen & Dick Rigby, The New Waterfront, Thames and Hudson, London, 1996, pp.118-120[4]Ann Breen & Dick Rigby, The New Waterfront, Thames and Hudson, London, 1996, pp.52-55[5]Robert Holden, International Landscape Design, Laurence King Publishing, London, 1996, pp.10-27[6] A new concept in refrigerant control for heat pumps ,J.R.Harnish,IIR Conference Pa-per,Cleveland,Ohio.May,1996[7]Carrier Corporation-Catalog 523 848,1997[8]Waste Heat Management Handbook, Na-tional Bureau of Standardc Handbook 121, Pub-lica-tion PB 264959, February,1997Ten design principles for air to air heat pumps,Allen Trask,ASHRAE Journal,July,1997重庆科技学院学生毕业设计（论文）外文译文学院建建筑工程学院专业班级工管103学生姓名李学号201044241附件1：外文资料翻译译文混凝土施工事项T.Pauly, M.J.N.Priestley摘要：根据一般承认的惯例看,巴基斯坦的混凝土结构建筑物在结构上的质量，效用和安全需要上都留下了很多值得关注的问题。
外文翻译
井冈山大学外文翻译题目施工组织设计与施工图预算学院建筑工程学院专业工程管理姓名谭智强学号90617008指导教师夏振华2012年11月20日开发一个评估施工现场安全管理系统有效性的模型Developing a model to measure the effectiveness of safety management systems of construction sites作者：Evelyn Ai Lin Teoa,_, Florence Yean Yng Linga起止页码：1584~1592出版日期（期刊号）：2005年6月第005版出版单位：新加坡环境国立大学摘要:在新加坡,实施了建筑行业安全管理系统(SMS)和SMS审计大约有十年之久的现在,安全标准的提高并不显著。
为了回应需要改进的有效性(SMS)和安全管理体系审计的目的,本文提出了一种方法, 人员可以利用测试工具来评估审计建筑公司安全管理体系的有效性。
研究方法采用了15个步进行调查，安全专家被邀请通过面试或工作表达自己的意见。
层次分析法(AHP)及因子分析是用来协助识别影响最为关键的因素和属性的安全。
该模型开发利用多属性值模型(MAVT)的方法。
该方法可以通过网站得到验证审核,利用模型中施工安全指数(CSI)可以计算出来。
结果表明,该模型可以作为一个客观CSI衡量不同管理和评估。
关键词: 安全管理体系;安全审核;施工安全指数1 简介: 支撑这一工作的论据安全管理体系(SMS)作为建筑业一个正式制度的管理现场安全的体系。
承包商预期管理现场安全通过正常的安全管理体系。
如何有效地评价这些系统是很重要的,这样可以使不足之处得以更正。
该研究工作是在协作与职业安全部门监督下进行的,人力资源部门可根据当局评价审计协议来衡量一个建筑工地的有效性的安全管理体系。
新加坡建筑行业服务实施了安全管理体系审计大约有十年之久了,但是提高的安全效果并不显著。
这与影响船舶的修建行业一样,经历了一个稳定提高安全性能的阶段。
工程造价管理中英文对照外文翻译文献
中英文对照外文翻译(文档含英文原文和中文翻译)The significance of control construction costs manages on entireprocessFirst, The necessary of control construction costs manages on entire process Talk about the management and the control on construction costs, that the field we are just accustomed to is thought of is a project advance in final account. Indeed , right away at present system and reality,what the job of that the management and the control on construction costs is advance in final account. Be that in advance, the people who work on final account according that already be ascertaied of the working drawing to calculate project amounts，apply a quota mechanically, the meter mechanically fetching cost, or designing that according to the drawing sheet and construction organization after construction is over as well as the scene construction visa takes notes weaves the final account being completed. This is necessary , useful no doubt. But we must see that when pre-final accounts personnel weave working drawing budget or the final account being completed, the construction plan and thedesign paper already determined. But construction being to take according to picture as principle, so then in advance, job done by final account personnel is only the change secretly scheming against cost produced by design alteration and prevents upvaluation from calculating boldly. But suppose the project is unreasonable on economy, there is a fault in decision-making; suppose designing a scheme feasible or be not optimum on the technology; the final account personnel can do nothing for sb then in advance. Job of final account personnel does accounts in advance only under just saying system currently in effect, after the event , can only reflect already complete project amounts inactively , can only reflect design and be under construction passively. This evidently is single-faceted , insufficient , we must carry out the entire proceeding supervisory control on the construction costs of building a project.Concrete conditions of union our country, cost of construction manages have problems as follows:1、Be not enough to take investment decision into the stage of construction costs seriously charge indeed.Investment decision is to produce the construction costs headstream, This one stage blow the expense at take up the total investment forehead about 0.5%～3%,but that can have an effect to raise the project benefit of investment. That the project carries out rational choice on construction is that resource carries out direct , the most important optimization deploy means on economy , project benefit of investment affects efficiency and beneficial result to entire national economy. The developed country charges attach importance to control on investment decision stage construction costs,and costs not stinting big capital of money making the studies on the stage of carrying out investment decision energetically, make relatively comparatively accurate construction costs , go along the controlFor a long time, there is the grave phenomenon investing in swelling in engineering construction of our country,bring the limit for a project feeling longer and longer, construction costs is higher and higher. The cause of that is short of the effective basis of the building of earlier stage ascertaining construction costs, only basis the already completed according to the expert , decision-makers draw lessons to estimate the project construction costs. Because a lot of factor effects, the“three surpass " phenomenon very common, there are main cause as follows:(1) personal factor brings about rough estimate lessening(2) equipment composes in reply material price's not working out according to market quotations.(3) construction units bring forward the too high for exceeding a design criterion 2、The design stage of construction costs is not under the control of strictThe design stage is the faucet in that project construction costs controls. After the investment decision is be made rationally , that is the process of plan the technology and organic together economly . Effective control the cost of construction requires strictly and all-round in the enginee designing . Engineering design of current our country also puts move bidding system , fair competition into practice , cost of construction looks on control engineering effective to design stage as one of thestandard choosing main part being hit by the bid unit , cost of construction carries out the administration controlling on the entire proceeding .Our country major part design that the unit carries out thorough analysis lack on construction project technology and economy , big multiple technologies make light of economy in design but at present , design that the personnel is responsible seemingly only to design project mass , are concerned with the construction costs height not very. Optimize a design plan to such an extent as having no way to pass, the first step designs , the rough estimate gets to the effect controlling general cost of construction's establishment. Mass and depth that engineering design pursues etc. is also insufficient , amounts project mistakes in amounts project detailed lists calculates , misses and not calculating, can't arouse increasing by estimating a project momentary, the mass making a tender work is difficult to ensure that , have no way to have an effect to control construction costs asa result also.3、Has not adopt the amounts project detailed list quoted price way being applied or used universally on the international all roundAdopt the amounts project detailed list quoted price way being put into use commonly on the international , is that our country construction costs system reforms and cause the inevitable trend reforming to bid system in invitation to bid tender.One of important act carrying out project public bidding system being to build socialist market economy and to perfect construction market operating mechanism in construction field. After the construction project tender is carried out all round in our country, the effect is obvious in the respect of shortening the mass building a time limit for a project , ensuring a project , reducing construction costs , boycotting an unhealthy tendency. Have ensured the invitation to bid people and bidder's lawful rights and interests also effectively. With the socialist market economy uninterrupted growth,the original tender stage puts the budget quota valuation pattern into practice already doing not adapting , adopt the amounts project detailed list quoted price way being put into use commonly on the international to carry out a tender is an inevitable trend. Ministry of Construction has issued amounts project detailed list valuation method , amounts project detailed list valuation has been in construction project tender job , person has provided project quantity from invitation to bid according to national unification project amounts calculation regulation , quoted price, and classics have judged the reason bidder autonomously trying the at a low price middle bid construction costs valuation pattern.That carrying out amounts project detailed list valuation method is one important measure of item of construction costs deepen the reform, is standard tender behavior effective measure. This method is beneficial to changing over taking that "amounts" ", "price" are "quota-consuming" as dominant static state managing a pattern , make project amounts in detailed list not enter competition, competition being confined to price only; Beneficial to rightness appraises enterprise strength; Project mass beneficial to ensuring that, reduces construction costs; May cut down the physical labour complicated and overloaded repeating the amounts calculating a project; Facilitate the tender quoted price job; Argue with the dispute back and forth in cutting down project settlement; Receive a track step by step with the convention "controllingamounts , guiding price , competing for a fee's on" the international, deepen the reformation that project valuation manages mainly according to the marketplace changes development, taking one's place on the international market for our country contracts business creates condition.4、The stage being under construction controls lack to construction costsWant to have strict control design alteration too in the stage being under construction. Guard the pass though that working drawing appears in joint trial or are able to have all sorts of problems, but call for to design a branch in the process of construction hard to avoid is strict out of the construction works complexity, the situation changing after avoiding doing first, is also that the weight avoiding break a rough estimate , effective control engineering of construction costs cost of construction plays with a link. At the same time, the sharpening contract manages , ensures equality and mutual benefit issuing contract of method and contracting method.5、The construction costs being completed settling a stage's controls a project inefficientlyThat the final account being completed is that entire construction costs is under the control of the most important one is encircled by construction works. How the final account being completed can reflect actual entire project cost of construction honestly , have also reflected the ability issuing contract of method and contracting method to construction costs administration , have finished handling a project in time the final account being completed must collect , arrange settling a data , pursuing , designing the certificate material changing notice , various warning including that the project is completed and so on being completed. These data collecting must pay attention to whose validity with obtaining evidence, specimen seal impression having designing personnel's signature and being related to if the design alteration advice note must be made known to lower levels by plain design organ. Scene inspection and control visa must label seal and the ratification going on a punitive expedition to such that designing a personnel etc. having construction site person in charge of first party. Great majority our country construction projects are completed in the project being under construction when the final account, during the period of the final account being completed contracting method , are are under construction contracting method calculating commonly much in the book being completed winding up an account , are issue contract of haggie just inexhaustible in devices and schemes , are dispute over trifles phenomenon is grave , project settlement drags repeatedly , some confirmation having drug once and , greatly, affecting engineering construction project sigmatism and building construction costs.A construction project includes the following procedure from brewing , planning , designing that to establishing completion and commissioning: Be that the project letter of advice stage , feasibility appraise the stage , design stage , the stage being under construction , acceptance check stage and the queen being completed estimate that.Correspondingly, the construction costs ascertaining that and the project construction phase job look at and appraise the stage adapting to , several being allotted in general for the following: The investment studying stage establishment inthe project letter of advice and feasibility is estimated, design stage establishment designs a rough estimate in the first step, budget designing that the stage weaves working drawing in working drawing, budget builds ampere of construction costs face to face with working drawing for basis tender project engineering contract, price is also that the form ascertains that with the business contract; Project amounts putting stage into practice being going to be completed according to contracting reality in project, takes contract price as basis , considers cost of construction rise aroused by inflation of prices at the same time , considers the project and cost being difficult to estimate that to designing middle but happening in putting stage reality into practice , the example is ascertained estimating price; All-in cost costing in the reality being completed checking and accepting a stage , assembling into engineering construction process middle all round, weaves the final account being completed , embodies the actual cost of construction that a construction project according to the facts."Four guess that two-valence "is interrelated , the former restricts the latter , the latter supplements the former.What is called, build the construction costs administration and control, it is the occurrence contracting the stage and construction in the investment decision stage , design stage , construction project putting stage into practice with construction construction costs to control within the cost of construction quota O. K. , correcting the deviation happening at any time, to ensure that the project manages the target realization , get fairly good benefit of investment and social benefits in an attempt being able to use manpower and material resources, financial resources rationally in building a project one by one.Second, the importance of the investment decision-making stage of project cost controlConstruction projects in the investment decision-making stage, the project of the techno-economic decision-making, as well as the cost of construction projects completed and put into production after the project cost-effective, have a decisive impact on the construction project cost control is an important stage. Project cost management as a decision-making stage in the feasibility study report shall be prepared, and economic evaluation of the proposed project, select the technically feasible and economically the construction of example programs and to optimize the construction program on the basis of the preparation of high-quality items investment is estimated that the project construction so that the real control of the project has played the role of total investment.The impact of the decision-making phase of the project cost are the main factors: a, the determine level of construction standards; b, the choice of built-up areas; c, building location (site) selection; d, project the economic scale; e, technology selection f, equipment selection .Such as the choice of built-up areas, there is a basic principle, that is close to raw materials, fuel and consumer principles. This project completed and put into production, you can avoid the raw materials, fuels, and finished the long-haul transport, reduce costs, lower costs; transportation distance may be shortened to reduce the flow of time, speed up cash flow and is conducive to business. If theproject's economic size, economies of scale, product standard is a reasonable means of production volume, a number of products under certain conditions, was "increasing returns" of economic phenomena, that is, with the expansion of production volume, unit cost reduction, revenue increase.Therefore, in order to phase in the investment decision-making control over project cost effective, we must do a good job in the following areas:(1) the implementation of construction project legal person responsibility system, the construction project from planning to implementation of the whole process of the use of funds and repayment responsibilities to people and projects at the same time establish a system of matching corporate oversight mechanisms, by the competent authorities and supervision of the industry sector establishment of a monitoring group to oversee the use of project funds.(2) to conduct market analysis and seeking truth from facts, to avoid the blindness of the project decision-making, reduce risk and lower investment, give full consideration to construction projects in the future competitiveness of the market so that more scientific book design and reliability(3) Capital financial capital must be committed to a formal document, investment funds must be put in place the parties, there must be a funding document to ensure that projects are implemented on schedule after approval. Conditions of the loans should be carefully analyzed and compared to minimize the interest burden and repayment pressure.(4) Strengthening of engineering geology, hydrogeology, as well as land, water, electricity, transport, environmental protection projects such as the work of the depth of the external conditions, so that there is sufficient basis to estimate the investment. At the same time, extensive research should be to compare similar projects, a serious functional analysis, comparison and choice of multi-program, a full-scale technical feasibility studies and economic evaluation, the finalization of technologically advanced, reliable, economical and rational project construction program in order to estimate more accurate and realistic estimate of the amount of investment in order to make the project cost from the start position in a more reasonable level.Third, the design phase of the importance of project cost controlMake investment decisions in the project, the project cost control is the key to the design. Design is in the technical and economic implementation of the proposed project to conduct a comprehensive arrangement, is also planning the construction process. Technologically advanced, economical and rational design can reduce the project construction period, savings investment, to improve efficiency. According to expert analysis, design fee generally equal to the construction of the project life-cycle cost of less than 1%, which costs less than 1% of project cost accounts for the impact of degrees above 75%. Because of the general construction projects, selection of materials and equipment accounted for more than 50% of the cost of the project, and in the design phase of architectural forms, structural type, the selection of equipment and materials have been identified in the construction of post-implementation phase, the impact of the project cost a small (10 % or less). This shows that the design quality is crucial to the entire projectThe same construction project, the same single unit of work can have different programs, which have different costs, it is therefore necessary to meet the function under the premise of doing a number of options, through technical comparison, economic analysis and efficiency evaluation, selection of technology selection into the application of economic and rational design, that is, the process of design optimization. Often used to optimize the design of the program, also known as the value of value engineering analysis, that is, as far as possible in meeting the functionality or improve the function of the premise, as far as possible to reduce costs.Occurred in the cost of all parts of the application of value engineering, construction investment will require a lot of people, financial, and material, and thus the value of engineering construction works great. For a rather mature and effective management methods, value engineering in a number of works have been widely used in construction.In the engineering design phase correctly handle the technical and economic relationship between the unity of opposites, we can control the key to investment, design and cost management must work closely with staff to make a lot of the technical and economic comparison, in the reduction and control of project efforts, engineering Cost management in the design process should be timely investment analysis on the comparison, the cost of information feedback and dynamic impact on the design, in order to ensure effective control over investment.At the design stage to project cost control should focus on the following aspects.(1) to promote the design and the design of the bidding campaign optimization design approachThe assessment team of experts using scientific methods, in accordance with applicable, economic, aesthetic principles, as well as technologically advanced, well-structured to meet the building energy saving and environmental requirements, a comprehensive assessment of the merits of design, selection of the best in determining the successful program. Estimates of selected investment program in general to be close to the scope of construction projects. The design of these two methods both contract design choice and competition, to ensure selection of the design of technologically advanced, innovative and unique, adaptable, and help control project cost. Design units should strive to improve their own quality, clever engineering design ideas, great care, in order to reduce the project cost more than their brains in order to improve design quality, and strive to put at the design stage in the approval of project cost control within the investment limits.(2) actively pursuing the design limitThe so-called cap design, is in accordance with the approved design of the book and investment is estimated that in the guarantee under the premise of the functional requirements. Preliminary design and budget control, in accordance with the approved budget for the preliminary design and total control of the construction design. Through the ceiling design, every professional, every designer has a target investment limit. During the design process, designers should be more into the program to compare and optimize the design, Not only to ensure that technically advanced and reasonable design, innovative aesthetics, but also the investment limit is not exceededthe target in order to put an end to the design of the project to raise the factor of safety and design standards, or only consider the feasibility of technical solutions, rather than the phenomenon of economic rationality to ensure effective cost control.(3) the implementation of the design of reward and punishment systemIn order to limit the design of the implementation into practice, the limit should be set up and sound system designed to reward and punishment. To limit the design is done well, cost savings and control of investment there is the effectiveness of the project legal person should be given appropriate incentives and design units. Design to limit the development of the internal design of assessment and incentive methods to limit attention to the design, made to save investment and effective cost control offices and the significant achievements of individuals, should be rewarding. Do not attach importance to limit the design, do not take measures to save the investment, resulting in more than a design limit investment offices and individuals should be given to economic penalties. Do reward and encourage designers to design deep potential economic importance to design the control of a reasonable project cost will be a major breakthrough.Fourth、the cost control of the implementation phase of construction project1, the bidding process stageThe implementation of construction project bidding is effective means of construction projects to control the implementation phase of the project cost. If we want To do a good job for bidding, the first we should make sure that qualification is clearance, and resolutely put an end to bribery, such as all the Phenomenon about destruction of all bidding discipline; Secondly, we should strengthen the bid management, to ensure the accuracy and confidentiality of bid preparation; Third, make sure the method of Evaluation and Calibration are Scientific .when select the successful projects as a standard we should concern about the reasonable, short period, reputable companies, construction considerations such as experience. when we evaluation, the first is technical standard assessment, the follow is business assessment,this can ensure open, fair and just.2, the construction phaseIn the construction phase construction ,the goles based on project budget or contract price of Civil works and installation works and project cost control of Civil works and installation works. At this stage the scope for savings has been small, but it is likely to lead to waste,this make us give them adequate attention for the control of project cost.(1) strengthen the technical and economic comparison of construction programConstruction is an important work of the design of constructing orgnization. Reasonable constructing program can shorten the period of constructing, ensure the quality of the project and enhance economic efficiency. Comparing and analysing the constructing program from technical and economic view and comparing the three techno-economic index of the quality, duration and cost through qualitative analysis and quantitative analysis can take good use of manpower, material and financial resources, achieving better economic benefits. Consequently, good construction management is an important way of all-round cost management.(2) a sound system design change Examination and approval systemIf design subject need to be change, we should take action as far as possible in advance, because the sooner the change, the smaller loss; Second, before each design ofchanges we must analysis the quality of project and cost, and this should receive the consent of the original design. If it breakthrough the total project cost estimates after the change, this must be approved by the review of the relevant departments, we should prevent these things happened such as increasing design elements ,improving the design standards, increasing the project cost.(3) check strictly with visa procedures of the project site we should Construct project management system , establish the specialized departments,and through the use of specialized management of professionals for the project, to avoid the phenomenon that project management staff just care visa only, take no concern about the economic accounts, resulting the serious consequences such as investment is out of control.For Seriously changes of visa procedures we should make the building side, supervision side, the construction site together representatives signed a manner to ensure that the authenticity of the visa, the rationality of the economy of changes and to avoid the disputes caused by the phenomenon of fraud.(4) do a good job in the completion of the audit settlement priceClearing refers to the completion of construction enterprises in accordance with the terms of the contract completed by the contractor within the engineering, land quality experience, and in accordance with the contract, the construction units to carry out the final project settlement price. Completion of the project audited settlement is approved in accordance with the construction of the project cost. Therefore, the completion of settlement of the audit is a very important work, should focus on the following:① check the accuracy of the project quantity.the check of project Quantity is the most important and most complicated, the most detailed work in process of the settle of completed project, this must be based on completion of the project plan, changed design and construction of the scene .it strictly in accordance with the provisions of the rules one by one in terms of project review to prevent the units of construction to increase the volume of inflated project cost in the settlement on completion of the project.② examine whether the additional apply is right . check the sub-projects listed in the price in line with the fixed unit price, check whether the name, specification, measurement units and the content consistent with the units of the valuation table; for the unit price of conversion, the first step is to check if the conversion price was fixed allowed, followed check if the conversion price is correct.③ check if the standards for the admission fee In line with the cost of the fixed and the cost of policies and regulations of the project during the construction.Fifth, the thinking and outlook of project cost management system From a long time, we generally ignore the the project cost control of preparatory work for the construction phase, and control projects often focus on the cost of the construction phase - the budget review working drawings and reasonable settlement。
工程造价管理前沿外文翻译
On the stage of the project cost managementAbstractProject cost management is the basic contents to determine reasonable and effective control of the project cost. Described the current stage of the project cost management situation on the strengthening of the various stages of construction cost management of the importance of and raised a number of key initiatives.Keywords：cost of the construction project cost management status investment decision phase of the design phase of the implementation phase of the cost management in a market economy,Even under the WTO and China's accession to the world community, China's construction industry how to effectively control construction cost of the construction and management of an important component part. However, the current budget for the construction projects - estimate, budget, Super budget accounts for the "super three" is still widespread and that eventually led to a serious loss of control of project investment. Project cost management is the basic contents to determine reasonable and effective control of the project cost.As the project cost to the project runs through the entire process, stage by stage can be divided into Investment Decision stage, the design and implementation phases. The so-called Project Cost effective control is the optimization of the construction plans and design programs on the basis of in the building process at all stages, use of certain methods and measures to reduce the cost of the projects have a reasonable control on the scope and cost of the approved limits.Engineering and cost management work of the current status of project cost management system was formed in the 1950s, 1980s perfect together. Performance of the country and directly involved in the management of economic activities. Provisions in the design stage to different estimates or budget preparation as well as government; Nothing relevant departments to formulate a budget, content, methods and approval, the budget will provide the fixed cost of equipment and materials and fixed price of the budget preparation, approval, management authority, and so on.With the historical process, after recovery, reform and development, formed a relatively complete budget estimate of quota management system. However, as the socialist market economic development, the system's many problems have also exposed. Generally speaking, the budget estimate is based on direct participation in the management of national economic activity as a precondition. enterprise is not the actual economic entities. Due to the characteristics of the planned economy, and, at the time under the conditions of productivity, will inevitably become a shortage in the economy.In severe shortage of commodities under the conditions, as long as a certain level of investment, will be certain outputs. In this environment, the project planning and technical argumentation there can be no economic analysis. State control of the project cost constitute key factors equipment and materials prices, wages and taxes of artificial distribution. In this relatively stable economic environment, the budget estimate for the system approved project cost, help the government to carry out investment plans to play a major role.As the socialist market economic system established, requires us to predict project investment and control. In recent years, international investment project developed to the requirements of prior pre-control and in the middle of control. China, the traditional practice in an objective light on the cause decision-making, implementation heavy, light the economy and technology,First, the consequences of victimization,Due to the technical personnel of the project technical and economic concepts and a weak awareness of cost control, cost management makes the quality difficult to raise. Project Cost control is difficult to achieve long-term goals.Second, the various stages of the project management view of the above circumstances, My first academia in the 1980s made the whole process of cost management and control concept, building departments will study the feasibility of projects and the budgets and final accounts to two extended at the request of the corresponding regulations put our cost management concepts and methods referred to a new height.Our task now is to be modern and cost management in line with China's national conditions of the market economy system goal, learn from the advanced experience of the developed countries, and establish sound market economic laws of project cost management system, efforts to increase the project cost levels. An investment decision-making phase of the project cost management construction project investment decision-making stage is proposed project proposals; conduct a feasibility study to determine investment estimation and the final preparation of design task. At this stage, the project's technical and economic decision-making, of the construction project cost of the project after the completion of the economic benefits have a decisive influence, The construction cost is an important stage control.China's current stage of the project cost for the project management for the purpose of clearing price, and focusing only on the construction process of cost control, neglected before the start of the project investment decision-making stage of cost control. Investment decision-making phase of investment projects is estimated an important basis for decision-making. It has a direct impact on national economic and financial analysis of the results of the reliability and accuracy. Because of this phase is the preliminary work of projects, theinformation can not be fully, comparable works more or less that information accumulated relatively small, estimated inadequate and unscientific. Makes project cost management and cost workers is difficult at this stage do something.The various stages of the project cost control in the decision-making phase project cost control. Right project planning phase of the cost, many owners have the wrong understanding that the lower the cost the better. Cost control is not a unilateral issue, and should be a number of factors, a combination of practical, comprehensive consideration. The construction project investment decision-making stage, the project's technical and economic decision-making, Cost of the project after the completion of the project and the economic benefits, with a decisive role in project cost control is an important stage, rationally define and control the direction of the project cost of accurate positioning and building Optimization guiding role.In the decision-making phase of the most important is to do a good job feasibility study, the work is done well, returns on investment and can form a good proportion. Otherwise, invest more, less effective, resulting in loss of control and waste of investment.At present, some of the projects planned the owners of departure from the subjective desires of a feasibility study on the lack of scientific proof. Feasibility Study untrue, false or engineering functions obtaining the approval of their superiors, actually put into the feasibility study will be awarded in the study for the project after the smooth functioning buried a lot of hidden problems, lead to insufficient follow-up funds for the project and had to extend the time limit so that the project could not have planned the use of cost-effective, even become hopeless completion of the beard works.Therefore, in order to phase in the investment decision-making effectively control construction costs, we must do the following aspects: ⅰImplementation of the construction project and corporate accountability,Construction of the project from planning to implementation of the entire process and the use of the funds to repay responsibilities to the people. in addition to establishing a legal system and the project supervision matching mechanism by the departments in charge of the industry and supervision departments for setting up a monitoring group to oversee the use of funds.ⅱA realistic approach to market analysis, to avoid the blindness of the project decision-making, reduces and reduces investment risk. Fully consider building projects in the future market competitiveness, design task more scientific and reliability.ⅲ Capital financing must have a formal commitment document, the parties must do investment funds in place, and funds must have documents to ensure that the project can be approved after the scheduled implementation. To the various loan conditions should be carefully analyzed to minimize the burden of interest and repayment pressure.ⅳ To strengthen the engineering geology, hydrology, geology and land, water, electricity, transport, environmental projects such as external conditions for the work of depth to make the investment estimate there are sufficient grounds.Taking extensive investigation and research, comparison of similar projects, seriously functional analysis, multi-program comparison and choice. After full technical appraisal and economic evaluation, and the final technologically advanced, functional and reliable. Reasonable economic projects, thus calculate a more accurate and realistic estimation of the amount of investment, so that the project cost from the start positioning in a more reasonable level.The design phase of the project cost control for a long time, China's building control very effective, - investment projects is not uncommon, this will affect owners of investment returns, it adds to the owners and within budget, as well as difficulties in fund owners, the impact on the future management or the owners make payments in arrears, and so on. Hence, the control of the project cost isof great significance, however the project cost is the primary means of control design,Currently most of the property owners in the design stage seldom works on cost control, and they found that the cost of the design will not have a great impact, it is wrong, on the contrary, Design phase of the project cost control is the most important step. Because it determines engineering design, construction methods, materials and equipment types, models of the project cost is of critical significance, design optimization phase of the program or minor changes, project cost will have a significant impact, Design phase of the project cost control of the total project cost of 70%. Following is how to control the project from design to create the Law:1. As the owners must design, the design selected on the quality level isa direct impact on the quality of product design level, and the design quality products in the level of direct influence on the pricing of the works. Different design units on the same project design are different. the same item of different design institute works between certain aspects of the project cost on the existence of differences between, We assume that with a design from two different design institute to design, Construction plans after the completion of a requested advisory unit cost to do the budget, certainly different design institute the total cost of the project is absolutely not the same, and most of the difference between the two over 10% even more than 30%, and not necessarily high cost than the design of low cost, and good design is often low cost, We all know that different people have different design styles and different levels, the design works naturally, therefore chosen to design units is the control on the first step. Through tender to select the design of the units is a good method, the tender documents to elaborate on this particular aspect of the requirements, cost control targets, and so on.Otherwise, in the subsequent design process design units will put an increasein the cost of the design requirements; through tendering the project design into the market, compared to select the best design units.2. Promoting the design bidding and design optimization campaign mode design units assessed by experts using scientific group France, in accordance with applicable, economic, aesthetic principles and advanced technology, reasonable structure to meet building energy efficiency and environmental requirements, comprehensive assessment of the merits of the program design, selection of the best determination of the successful program.Successful investment program estimated to be close to the general construction project scope of investment. This means two design contracts will help design the program of choice and competition to ensure that the selected design advanced technology, unique novelty, adaptability, as well as to control the cost of the project. Design units should strive to improve their quality of the project design clever idea, contemporary reducing the project cost on to rack their brains to improve design quality, strive to put the design phase of the project cost control approval of the investment ceiling.3. Strengthening the design stage of the design phase to strengthen supervision of the Commissioner to determine a reasonable design, mature technology, reduction in the construction phase major design changes and changes in the program, in the effective control of the project cost will play a role.1 to the design of the project if the project supervision to get involved, excluding unfavorable factors may generally is excluded from the 80% errors. In the entire process of building cost control, construction began at best to save and invest 20%, the key lies in the construction phase of the identification and control costs. Supervision of the design phase include : Design Institute under the design drawings and notes help owners deal with different design options for the economy, capital expenditure to develop the preliminary estimates, to ensure that the investment can be most effectively utilized. With the owners of theCommissioner include:According to the Design Institute to provide design drawings and notes to help owners deal with different design options for the economy, capital expenditures to develop the preliminary plan to ensure that investment can be most effectively used; with the owners of different design options, the need to calculate their own materials and equipment to conduct a cost analysis and study, to the design staff costs, to assist them in the investment limit within limits designed to save and invest. To seek a one-time small investment and economic good design program made the most rational economic indicators.4. Design actively promote the so-called cap limit design, even with the approval of the design task and investment estimates, guarantee the functional requirements of the premise. The preliminary design and control budget, according to the preliminary approval of the total budget for the design and construction design control. Limits, and every one professional, each of whom have a design threshold of a target. In the design process, designers should progress to more programs, design optimization, ensuring that the design is technically advanced and reasonable, innovative, stylish, and do not break the limit investment objectives, thus eliminating the engineering design raise the factor of safety and design standards, or only consider the technical feasibility of the program, rather than economic rationality phenomenon, the project cost to ensure effective control.Also known as the value of value engineering analysis, is a modern scientific management technique, is a new techno-economic analysis, is the product of functional analysis to conserve resources and reduce the cost of the purpose of an effective method. It made up for the traditional cost management simply focus on cost reduction and quality management only emphasizes improving the quality deficiencies, construction is conducive to resolving the long-standing long period, a lot of wastage, poor quality, high-cost problems. Value Engineeringlaws generally divided into three steps: assessment of the design of object technology and economic Score; Calculation of the target group of technical and economic indicators; calculate the geometric design of the object, on average; from comparison choose the best design.Construction phase of the project implementation unit construction cost management to control the cost of the project is reasonable in the project to meet quality standards premise, in the investment decision-making stage, the design phase and construction phase of the project put the project approval occurred in the control limits, strive in various construction projects rational use of human, material and financial resources to achieve good investment returns and social benefits.The project cost control and management is a dynamic process. The dynamic market economy, to make the investment in the identification and control become more complex, this will require the construction units to the management of project cost to the project runs through the entire process, it is necessary to have a comprehensive focus. The implementation phase of the projects. The implementation phase of the project cost management is the implementation of the entire process of project management. Project implementation phase of the project cost management can be divided into three parts: the tender management, construction management and settlement management.Bidding for the construction phase of the construction units Bidding system control engineering cost effective means, bid organization can improve the cost-effectiveness of construction projects and ensure the quality of construction projects, shortening the construction cycle return on the investment, construction units can take full advantage of bidding for the effective means of cost control.Construction No. 10 on the 7th ministerial decree issued a "contract with the Construction Contract Pricing Management." clearly pointed out in biddingfor projects using inventories. This requires the building of units conducting the tender exercise, in the tender document to include not only the usual content, like tender notes before schedule, tender notes, the conditions of the contract, the contract terms of the agreement, contract format, technical specifications, drawings, tender documents and other reference format, it is also necessary to provide the engineering inventory, Bidding as a reference document of the important components.Construction units in the tender document for the project inventory, in accordance with state or local rules promulgated by the calculation that the reunification of the divided projects, unified measurement units and the reunification of the engineering calculation rules, according to design drawings to be calculated and statistical arranged, obtain the list. Quantities to be followed in the preparation of an objective, impartial, scientific, and rational principle. Compilers must have strong manly budget, and should have certain knowledge of the engineering design and construction experience, and the material and mechanical construction technology for comprehensive scientific knowledge, in order to calculate the volume of the works without heavy missed. The basis of which must be in accordance with state regulations engineering calculation rules, and the sub-projects division engineering units, and in accordance with design drawings, design essential Love tender documentation requirements are calculated.Quantities of the project should have a testing general, the entries must be simple, while not appear Lousing wrong items Pricing should guarantee the correctness of the project. Should the requirements of the different grades separate engineering division, the situation was different; we may have different prices for the items separately. This requires the preparation of the list compilers, seriously study design drawings, Analysis of the tender documents include the elements of the work and the different technical requirements, allfamiliar with the process, and to the scene of serious investigation, is forecast to make possible the construction of the case, right will have an impact on the Price of projects to be broken down. In addition, because the project inventories to calculate the amount of the project is not complete engineering and consider the interests of the construction units, clearly paying the price for the same overall price, the quantity list by the number of actual construction is a practical terms.In the evaluation and review of the tender offer should do the units total individual Price quotations and the comprehensive assessment. Price does not meet the requirements of individual shows Price meets the requirements, and the lowest total Price could not explain the single lowest bidder. Bidders often know the total cost to maintain the same circumstances; the project is likely to change smaller projects to lower the price.Changes may be larger projects price increases to achieve the completion of clearing works will be added for the purpose. We would also do price and the corresponding quantity of comprehensive engineering assessment of the large volume of projects to focus on the price analysis. Price will do with the contents of the work, construction program, a comprehensive technical evaluation process, thereby preferred choice of a construction unit. Construction of the construction phase of the contract cost control basis. Signed tight construction contract, while strengthening the construction contract management can guarantee that the contract price is reasonable, legitimacy and reduce the performance of the contract A, B in disputes and safeguard the interests of both the contract, effective control of the works investment costs.After the signing of the contract, to do the management contract documentation, contract and the supplementary contract agreement until the regular meeting site in minutes. Work contacts such as a single content of a contract extension and explained that the integrity must be preserved, in addition to establishing atechnical files, Implementation of the contract for dynamic analysis, results of the analysis to take proactive measures.Construction phase in the construction phase construction plan is based on the budget or Ken works contract price of the target, Ken control the cost of the project. At this stage of conservation has room for a small, but the possibility of waste is great. Thereby to control the cost of the project to give sufficient attention.1. Construction program to strengthen the comparative technical and economic construction program is construction design of a re - to the contents of the work, a reasonable construction plan, shorten the construction period and ensure the quality of the project, improving economic efficiency, Construction of the program right from the technical and economic evaluation were compared, through qualitative and quantitative analysis, the quality, time, Cost three technical and economic indicators, be rational, and effective use of manpower, material and financial resources, achieve better economic efficiency, good construction management relations, a comprehensive cost management is an important way.2. Strictly related changes to the project budget control in the proposed budget. Construction of the changes caused by many reasons, including works poorly designed, so that the engineering contract with the drawings provided inconsistent; the current market supply of materials do not meet the standard specifications of the design requirements. These issues have to leave breadwinner project cost factors. Therefore, in the construction process, we must tighten customs change, through no design changes to expand the scale and improve the design standards; increase the construction and contents, the best implementation of the "grade control, visa quota" system. Right to change the design, particularly as it relates to the cost of the design changes must be approved by the design units, construction units scene representatives, supervision engineers common signature, and should be ahead of this type of change, reducelosses, because it has been completed or partially completed project will entail the demolition of the contents, it is bound to cause major changes to the loss. Therefore, the construction units should be assigned to the project cost management professionals Permanent construction site, to grasp at any time. Control project cost of the changes.3. Works on the scene visa formalities through strict control of the construction project supervision system, the establishment of specialized departments, Professional use of the professional management of projects and to avoid project management personnel just visas, not economic account of the phenomenon. Investment out of control caused serious consequences. To serious change visa procedures to be taken to the building, Supervisor, the construction site together representatives signed the way to ensure that change, visa authenticity, legitimacy, economic and avoid fraud and the resulting phenomena arising from the dispute.In the course of construction, the construction units to enhance on-site construction management, supervision and construction side according to the drawings, and strictly control the change of the negotiations, materials substitution, the scene visas, and various additional extra budgetary labor costs for the necessary changes should be done first afterwards, after money, Change event on the timely change in the calculation of the workload and the cost of change occurred to grasp at any time cost of the project level, things to avoid a backlog of work that the true cost of the project.Construction unit representatives to the scene to supervise doing a good job record, particularly concealed records and visas, reduce clearing the passing phenomenon. Many works visa scene is not as serious, works to bring a very large settlement of the trouble, lead to considerable economic losses, the scene strict visa management of the construction phase of the project cost control key.4. Of project list rigorous review of the project on the review ofinventories, Engineers’ monitor list of measures to control the project. BOQ to provide the list of measures is to complete construction projects, occurred in the pre-construction engineering and construction process technology, life and safety aspects of non-engineering projects entities. At this stage because many projects are in construction plans and the construction site of the imperfections on the tender wait until the construction tender of the project design and actual scene have better access. Management Engineer addresses the gathering first-hand information on the original, itemized checking identification, inconsistent make revisions.5. Control material consumption, rationally define material prices. Cost of the project control materials price control is the main, the cost of materials in engineering often holds substantial proportion, usually accounts for the estimated costs of 70%, representing the direct costs of 80%. It is necessary in the construction phase in strict accordance with the contract amount of material control; material set reasonable prices, so as to effectively control the cost of the project. Market economy material supply a variety of channels, variety and price range materials, construction unit budget management and field personnel should pay close attention to market rates, with the progress of the scene, the market, hand in the construction of the information and materials for the completion of the accounts provide a strong basis.6. Technology and economic integration, strengthening investment control. Effective control of the investment, from organizational, technical, economic, contracts, and other measures. Therefore, the construction units must strengthen management, engineering and technical personnel of the "economy" concept, the quality of education, Training pragmatic working style, the construction side to help improve construction design, reasonable security, financial, and material resources. Accelerate the pace of work to improve the quality of the projects. Construction should encounter problems in a timely manner with the designer linked。
工程管理外文翻译
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工程管理英语大作文
工程管理英语大作文English: In the field of project management, effective communication plays a crucial role in ensuring the success of a project. Communication is essential for conveying project goals, expectations, deadlines, and updates to team members, stakeholders, and clients. Poor communication can lead to misunderstandings, delays, and ultimately project failure. Project managers must possess strong communication skills to clearly articulate objectives, allocate tasks, provide feedback, and foster collaboration among team members. Effective communication also involves active listening, seeking feedback, and adapting communication styles to cater to different team members' needs and preferences. Additionally, project managers must leverage various communication tools and technologies to facilitate seamless information sharing and collaboration among dispersed team members. Ultimately, clear and consistent communication enhances team morale, productivity, and cohesion, driving the project towards successful completion.中文翻译: 在工程管理领域，高效的沟通对于确保项目成功起着至关重要的作用。
工程管理外文文献翻译---项目组合管理——远非现今管理所制定的方案
外文文献：Project portfolio management –There’s more to it thanwhat management enactsAbstractAlthough companies manage project portfolios concordantly with project portfolio theory, they may experience problems in the form of delayed projects, resource struggles, stress, and a lack of overview. Based on a research project compromised of 128 in-depth interviews in 30 companies, we propose that a key reason why companies do not do well in relation to project portfolio management (PPM) is that PPM often only covers a subset of on-going projects, while projects that are not subject to PPM tie up resources that initially were dedicated to PPM projects. We address and discuss the dilemma of wanting to include all projects in PPM, and aiming at keeping the resource and cognitive burden of doing PPM at a reasonable level.Keywords：Managing programmes，Managing projects，Organisation resources，Strategy1.IntroductionAt any given point in time, most companies engage in many projects. Some of these projects may relate to product development and marketing, others relate to changes in work processes and production flows, while yet others relate to competency development, strategic turns, the implementation of new IT systems, environmental issues etc.A key managerial task is to dedicate resources across all of these projects (as well as do daily work) and consequently,management across projects (project portfolio management (PPM)) is critical to company performance.This paper is based on a large-scale qualitative study,which shows that many project-oriented companies do not perform well when it comes to PPM. This relates to the inability to accomplish projects that are initiated. In particular, we identify the following problems:(1) Projects are not completed according to plan (or they even peter out during their project life cycle);(2) Management and employees feel they lack a broad overview of on-going projects (especially when the number of on-going projects increases as more and more projects are not completedaccording to plan);(3)People experience stress as resources are continuously reallocated across projects in order to make ends meet.These observations are especially interesting because the companies were included in the research project because they were supposed to be especially,experienced in PPM, and because they actually engage in PPM according to the extant body of literature on PPM. For example, part of the companies‘ PPM included an effort to pick the best projects on the basis of explicit or implicit criteria, and an effort to allocate sufficient resources to these projects.However, despite efforts,to practice ‗good‘ PPM, these companies experience severe problems in relation to PPM – especially in letting enough resources go into the ‗right‘ pr ojects. The purpose of this paper is to confront PPM as advocated by normative theories with actual PPM practices. Hence, the purpose is to confront PPM theories with PPM as perceived by managers and other employees for whom PPM is part of, or affects, their work conditions.However, in this paper, we are more interested in PPM as enacted by companies than in universally true perceptions. Hence, we adhere to Weick‘s [1–3] notion of enactment as the preconceptions that are used to set aside a portion of the field of experience for further attention. In regard to PPM, enacted projects are thus the ones management sets aside for further attention (i.e. PPM). As such, we focus especially on ways actors define or enact projects [4] and make sense of how to manage the sum of the projects. Drawing on this perspective, we account for findings that suggest why companies that do engage in PPM still experience problems.2. Project portfolio theoryThis paper draws on Archer and Ghasemzadeh‘s [5, p.208] definition of p roject portfolios as ‗‗a group of projects that are carried out under the sponsorship and/or management of a particular organization‘‘. Henceforth, we define PPM as the managerial activities that relate to(1) the initial screening, selection and prioritisation of project proposals,(2) the concurrent reprioritisation of projects in the portfolio,(3) the allocation and reallocation of resources to projects according to priority.For quite some time researchers have suggested that low completion rates for new product development (NPD) projects and new product failure relate to resource deficiencies in key areas [6,7]. Furthermore, while a host of researchers [8–10] have focused on the dimension of PPM that concernsprocesses relating to selection of projects to be included in the portfolio, research e.g. [11] also increasingly focuses on the day-today management of the project portfolio.3. MethodologyOver a period of two years, we did empirical research on how companies manage their entire range of projects, e.g. renewal projects, strategic projects, IT projects, departmentally specific projects, and production based projects. In relation to the selection of companies to be included in the empirical study, a key criterion was that the study should cover a wide variety of industries. As a result, the empirical study covers 30 companies from industries as diverse as, e.g. mobile telephone communications, finances, energy, pharmaceuticals, toys, software, and foods.However, due to the fact that we were looking for companies, where the amount of on-going projects suggested they were engaged in PPM, the study is biased towards larger companies as well as companies that define at least a substantial part of their activities as projects. The degree to which the companies participated in the study varies. Hence, half of the companies are labelled ‗inner circle‘ companies due to the fact that we drew extensively on these 15 companies. For example, in these companies more interviews were conducted at various points in time and at various organizational levels. Hence, a longitudinal perspective characterizes the involvement of these companies.The remaining half of the companies are labelled ‗outer circle‘ companies because their participation in the study has included fewer top-management interviews, the purpose of which was to gain insight into ways in which (top) management defines the content of their project portfolios and manages them.4. Managerial implicationsA key finding is that the gap between required and available resources is very much attributable to the existence of a host of smaller projects that never become part of enacted project portfolios. Thus, at an aggregated level, the empirical study suggests smaller, un-enacted projects qualify as resources crunchers in so far they are not considered to be a part of enacted project portfolios. In order to overcome this crunch in resources, two solutions seem obvious:(1) Enacting more, i.e. having PPM embrace all projects.(2) Allocating more resources to a pool of loosely-controlled resources for the un-enacted projects to draw on.5. Research implicationsThe empirical study elaborates on the ‗‗significant shortage of resources devoted to NPD‘‘ that Cooper and Edgett argue is the fundamental problem ‗‗that p lagues most firms‘ product development efforts‘‘.Our work especially suggests that the shortage of resources devoted to enacted projects is not a problem that primarily arises in relation to top management‘s PPM. On the contrary, in-good-faith top management dedicates resources to enacted projects on the basis of sound PPM. However, what top managers do not do is take into account the host of smaller projects that individuals initiate and – more importantly – top managers ignore (or at least heavily under-estimate) the amount of resources that these smaller projects tie up. Hence, we argue that especially the crunch in resources may be attributable to the un-enacted competition for resources that smaller projects subject enacted projects to.Consequently, the key contribution of our empirical work to research is that it emphasises that if we wish to study PPM (and especially if we wish to relate PPM to project performance), we might be better off taking into account the entire range of projects that actual (not enacted) portfolios are comprised of. Thus, if we as researchers only enact the projects that are neatly listed by top management, then our research will neglect the host of projects that are not subject to PPM, projects that nonetheless take up valuable, and scarce, resources.The fact that the empirical study includes interviews with managers, i.e. those who do PPM, and interviews with personnel at lower organisational levels, i.e. those whose work is subject to PPM, is the reason why we were able to identify un-enacted projects. Thus, researchers interested in PPM should be careful not to rely too heavily on a management perspective.6. Conclusion and limitationsThe main conclusion is that as long as some projects are un-enacted, companies may experience a drain on resources that reduces the time and resources actually devoted to projects subject to PPM. Hence, each individual company should decide whether or not all projects should be part of PPM and if the end result of such a decision is not to make comprehensive project lists (i.e. lists that include all minor projects), then management should decide how many resources should be set aside for the plethora of small projects that do not appear on the project list.One way in which the crunch in resources can be reduced is by ensuring that smaller projects do not take up a critical portion of the resources that are – officially – set aside for the completion ofprojects subject to PPM. However, due to the exploratory nature of the study accounted for in this paper, our findings relate far more to what companies actually do (positive theory in Hunt‘s terms), rather than to what they ought to do (normative theory in Hunt‘s terms). Although generating positive theory is indeed a crucial first step – especially in relation to the future of PPM theory –positive theory cannot, and should not, stand alone. Hence, the key challenges for PPM theory in the future are to produce normative theory that offers sound suggestions as to how companies can improve their PPM.Another limitation of our study is that the empirical part was carried out in a Danish context as the 30 companies involved are located in Denmark, which may not be sufficiently representative for companies worldwide because Denmark has, to a larger extent, a bottom-up culture. Therefore, the portion of smaller un-enacted projects may be bigger here than in companies in other countries. We hope that our study will inspire other researchers to carry our similar studies in other countries.References[1] Aboloafia MY, Killduff D. Enacting market crisis: the social construction of a speculative bubble.Admin Sci Quart 1988;33(1): 177–93.[2] Archer NP, Ghasemzadeh F. An integrated framework for project portfolio selection.Int J Project Manage 1999;17(4):207–16.[3] Cooper RG. Benchmarking new product performance: results of the best practices study.Eur Manage J 1998;16(1):1–7.[4] Cooper RG, Edgett SJ. Overcoming the crunch in resources for new product development.Res Technol Manage 2003;46:48–58.[5] Cooper RG, Edgett SJ, Kleinschmidt EJ. Best practices for managingR&D portfolios. Res Technol Manage 1998;41:20–33.[6] Cooper RG, Edgett SJ, Kleinschmidt EJ. New product portfolio management: practices and performance.J Prod Innovat Manage[7] Cooper RG, Edgett SJ, Kleinschmidt EJ. New problems, new solutions: making portfolio management more effective. Res Technol Manage 2000;43:18–33. 1999;16(3):333–51.[8] Cooper RG, Edgett SJ, Kleinschmidt EJ. Portfolio management for new products.Cambridge MA: Perseus Publishing; 2001.[9] Cooper RG, Edgett SJ, Kleinschmidt EJ. Portfolio management in new product development: lessons from the leaders – I. Res Technol Manage 1997;40:16–28.[10] Cooper RG, Edgett SJ, Kleinschmidt EJ. Portfolio management in new product development: lessons from the leaders – II. Res Technol Manage 1997;40:43–52.[11] Cooper RG, Edgett SJ, Kleinschmidt EJ. Portfolio management for new product development: results of an industry practices study. R&D Manage 2001;31(4):361–80.中文译文：项目组合管理——远非现今管理所制定的方案摘要尽管公司一向致力于处理项目股份单与项目股份单理论，他们也许会经历在工程延迟，资源短缺，压力，缺乏整体概要的形式上遇到问题。
工程管理商务英语作文
工程管理商务英语作文I have been working in the field of engineering management for many years, and I have come to understand the importance of effective communication in the business world. As an engineering manager, I often have to negotiate contracts, discuss project timelines, and resolve conflicts with both clients and team members. In order to be successful in these endeavors, it is crucial to have a strong command of business English.英文，I have found that being able to communicate clearly and professionally in English has opened up many opportunities for me in my career. For example, when negotiating a contract with an international client, I was able to use my English language skills to clearlyarticulate the terms and conditions of the agreement, which ultimately led to a successful partnership. In another instance, when dealing with a conflict within my team, I was able to use my language skills to mediate the situation and find a resolution that satisfied all parties involved.中文，我发现能够用英语清晰、专业地沟通在我的职业生涯中为我打开了许多机会。
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外文翻译学院能源与建筑工程学院专业工程管理导师学生2015年4月10 日THINKING OF COST ENGINEERING PROJECTAbstract:The premise of the project cost management is to meet the project quality, schedule, contract requirements, as for the project costs, as well as achieving the intended target by planning, organization, control and coordination, and as a scientific management activities to reduce the costAs far as possible. It is mainly through technology (such as the selection of the construction plan), economic (such as accounting) and management (such as construction organization management, rules and regulations etc.) activities to achieve the intended target and the purpose of profit.Cost is the sum of all kinds of construction process in the project cost. The content of cost management is very extensive, runs through every procedure and every aspect of project management activities, from the signing of the contract to the construction preparation, until the completion acceptance, every link cannot do without the cost management. As for the complete process of cost management to say, its content includes: cost prediction, cost control, cost accounting, cost analysis and cost assessment, etc.. Here only to analysis through three aspects :project cost forecast, cost control, the effective way reduce the cost to elaborate.1. Do a good cost forecast, identify the objectives of cost controlCost prediction is the basis of cost plan, which provide the basis for compiling the scientific, reasonable cost control target. Therefore, to improve the scientific cost forecast, cost plan to reduce costs and improve economic efficiency, which plays an important role in engineering management. Strengthening the control of cost, first of all to pay more attention on cost prediction is an essential behavior. The main content of Cost prediction is the use of scientific methods, to forecast according to cost target of the project ,construction conditions, mechanical equipment, and the quality of personnel of the project.1.1.Prediction of workers, material, costThe first is to analysis the project's artificial cost price, then analysis the wages and the market of the social workers , according to the amount of time and ready for the staff to analysis if the accommodation is covered in the project contract price of labor cost.The material costs accounted for a large proportion of Construction and installationcost, should be the focus to accurately grasp. to analysis the main materials, auxiliary materials, other materials, approved materials supply locations, the purchase price, mode of transport and handling costs. analysis the quota material specified in the specifications with the actual material specifications of different comparison of actual use, with different cement content and quota ratio, pooled analysis of budget in other materials, in the concrete practice to be mixed with a certain amount of admixture.③Fees for using machinery: the models and the number of machinery andequipment bidding application in the group is usually calculated by the construction method of the quota, which is different from the actual construction site in some ways, and work efficiency is also different. Therefore, We have to measure the actual forecast happen machine cost. At the same time, we also have to calculate the amortization machinery rental possible fees and the purchase of new machinery and equipment costs, approve the main mechanical shift production quota.1.2 Prediction of cost changes caused by the plan of construction projectThe project after winning the bid, must develop advanced and feasible in technology and reasonable construction organization design according to the actual situation of the construction site of the project, combined with the local economy, natural and geographical conditions, the construction technology, equipment selection, and the actual situation of project scheduling. Comparing the different between the construction method implemented by applying group and tender preparation time, or the different of quota of construction method to design a correct prediction.1.3.Prediction of aided engineering feeAided engineering refers to engineering quantity list or not given in the design drawings, and it is indispensable in construction, such as concrete mixing station, tunnel construction of the three tube line two, high pressure into the hole, also need to predict by construction plan for actual.1.4 .Prediction of large temporary facilities feePrediction of large temporary work fee should be investigated in detail and fully demonstration, to determine a reasonable target values.1.5.Prediction of small temporary facilities fee, and the transferring of site fee Small temporary facility costs include: temporary facilities layout, according to howmuch time period and planned to invest in personnel, equipment to determine the temporary facilities scale and standard, according to actual and reference of the historical data for the control of construction in the objective value determination. The transferring of site should be based on the distance and quasi transfer personnel, equipment to predict the target value.1.6. Prediction of the risk of out of control of costRisk analysis of project cost targets, is to implement the prediction of the factors that may affect the realization of ex ante analysis in the project, often can be analyzed from the following aspects:1) Understanding of the technical characteristics of engineering project, such as structural characteristics, geological features.2) On the analysis of the unit owners, including credit of owners of units , the availability of funds, organization and coordination ability.3) Analysis of internal project organization system, including the construction organization design, resources, quality and other aspects.4) The analysis of traffic, energy, electric power of project in local site.5) Analysis on climate.In short, through the prediction of the main cost above, we can determine the control standard of worker, material, machine and indirect costs, can also determine the needed time to complete this project in the long period, so to finish the target control of the management fee. Therefore, cost forecasting is the basis of cost control.2.Around the cost objectives, determining the cost control principlesThe construction project cost control is the input of resources in the implementation process, and pay attention on the supervision of construction process and the results, inspection and measurement, and to take measures to ensure achieving the project cost goals.The object of cost control is project, its subject is the person's management activities, the purpose is reasonable use of manpower, material and financial resources, reduce cost, increase benefit. Therefore, the general principle of cost control are:2.1 Saving principleSave means project save the human, material and financial resources construction, whichis the basic principle of cost control. Saving is not absolutely negative restriction and supervision, but to create a condition actively, we should focus on the per inspection, process control , and check the deviation in the implementation process, to optimize the construction scheme, improve the scientific management level of the project to save.2.2 The principle of full controlThe principle of full control includes two meanings, namely the full staff control and full process control.1) Project full staff controlCost control consists of all departments, team and staff in project organization of work involved, and related to each of the vital interests of employees, so should fully mobilize the enthusiasm of each department, each employee team for controlling and concerning about the cost, to establish full control idea, if we only consider that cost control is responsible for ore settlement and financial matters, it is just one-sided.2) The entire process of project cost controlThe project cost involves the entire project cycle, the whole process of project cost formation, from the beginning of construction preparation, through the construction process to be completed after the transfer of the warranty period. Therefore, the cost control work is to accompany each stage of project construction, such as the formulation of optimal construction scheme in the construction preparation stage, according to the requirements of design and construction specification for construction, make full use of existing resources, reduce the construction cost, and ensure the project quality, reduce project rework fee and after the project there may form the transfer of the warranty cost. In work’s acceptance stage, we have to adopt timely manner to the additional contract price for the project settlement, so that the cost of the project from first to last can be hold under effect management.2.3 Target control principleTarget management is the basic techniques and methods of management activities. It realize the plan policy, task, target and measures and make that to be implemented by decomposition. In the implementation process of the management of objectives, target setting should be practical, the more detailed the better, to implement the department, team and group or individual; target responsibility should be comprehensive, not only have the responsibility, but also to have more responsibility of cost; combining theresponsibility, right, benefit, make effort on the responsible departments (people) for examination and evaluation of the performance, and with the salary, bonus, do award or publish.2.4 Dynamic control principleCost control is carried out in a continuously changing environment management activities, so we must adhere to the principle of dynamic control, dynamic control is to input the labor, material, machine into the construction process, to collect the actual value cost, compare it with the target value, check whether there have any deviation, if without deviation, continued the process, or to find the specific reasons, to take corresponding measures. The implementation of cost control process should follow the "exception" management method, the so-called "exceptions" refers to problem which do not often appear in the project construction activities, but the key problem of cost have a major influence successfully completed, also must be attached great importance. In the project implementation of process the "exception" belongs to usually has the following several aspects:1) Importance: general is difference from the amount of point of view which have important significance, it is called "exception", if we have to determine the cost difference between the amount, we should determine the percentage difference for the original standard according to the specific circumstances of the project. The difference also can be divided into favorable and negative. The actual cost is lower than the standard cost too much is not necessarily a good thing, it could cause two cases: one is the adverse impact to the follow-up project or assignment: another may cause low quality, and lead to rework and increased warranty cost, quality cost control also affect corporate reputation.2) Consistency: although some of the cost difference is no more than the percentage specified or the minimum amount, but has been hovering near the upper lower limit line, should also be regarded as "exception". Means that the original cost projections may be not accurate, should be timely adjusted according to actual situation.3) Ability to control: some are project managers can not control the cost of the project, even if significant differences occurred, should also be regarded as "exceptional", such as land acquisition, demolition, temporary rental costs rise.4) The particularity of the project construction: which have effect on the whole process of project cost, even if the differences did not reach the importance position, should also bepaid attention to cost management. Such as mechanical repair expenses of the one-sided emphasis on savings. It may reduce the cost in the short term, but due to lack of repair may cause future downtime repair, thereby affecting the smooth progress of construction production.3 .To find effective ways ,and to achieve the cost control targetThere have a variety methods to reduce the project cost, it can take measures from organization technology, economy, to contract management.3.1 Organizational measures taken to control engineering costFirst of all to clear the institutions and personnel of Project Manager Department and division of functions and powers of that. The project manager department is operating management team, it is appointed by legal person of enterprise as his representative to power project management team, after the completion of the project this appointment will collapse, so he is not an economic entity , and he is responsible for the overall interests, also should coordinate responsibility, right, interests between the company and the company.Secondly, define the cost control and tasks, so that certain person will responsible for the cost control, avoid there have unclear responsibility while problem happen.3.2 To take technical measures to control project costTake technical measures is to give no limitation on subjective initiative of technical staff in the construction stage, and try to check and approve technical and economic demonstration which is necessary, then to seek more economic and reliable solution, thus reduce the cost of the project, including the use of new materials, new technology, new method to save energy, improve the mechanical operation etc..3.3Take economic measures to control engineering costEconomic measures to control project cost includes:(1) The artificial cost control:Labor costs accounted for a larger proportion of project costs, generally at about 10%, so we should strictly control the labor cost. To control the amount of labor, we must reduce or shorten labor consumption in some procedures, so as to reduce the labor consumption, control engineering cost objective.(2) Control material cost:The cost of materials general of the total project cost of the 65%~75%, directly influencethe engineering cost and economic benefit. The general approach is to quantity-price separation principle, mainly do the work of two.One is to control the amount of material: the first is to determine material consumption according to the quota, implement the system of limits: the second is to improve the construction technology, promote the use of reducing the material consumption of new technologies, new processes, new materials. Then there are the engineering function analysis, analyzing the performance of the material, in order to replace expensive materials to used cheap materials, strengthening material management turnover, prolong the number of circle.The two is to control the price of materials: mainly by the procurement department to control. First carries on the investigation to the market, with high quality, goods than three, then purchase preferential material: followed by the rational organization of transportation, the nearest purchase material, choose the most economical mode of transport, to reduce the transportation cost: then is to consider the time value of money, reduce capital occupied, reasonably determining the purchase batch and batches as far as possible, reduce material reserve.(3) Control of mechanical cost:To reduce the current consumption in the construction, through the reasonable construction organization, machinery allocation, improve the use of machinery and equipment and good condition rate, at the same time, strengthen the on-site equipment repair, maintenance, overhaul, repair, often reduce the expenses, to avoid improper use cause mechanical equipment idle; strengthen the management plan of equipment leasing, make full use of idle machinery and social resources, reduce the mechanical stage class price from different angles.From the economic point of view, control engineering cost also includes the reward to participants in the Department and individual who participate cost control measures.3.4 Strengthen quality management, control the rework rateIn the construction process, to strict quality engineering, always implement the quality policy of our bureau "to fine, honest, better, update", the quality of self personnel at all levels, post, duty, point to strengthen the quality inspection and management in construction process really carried out through the whole process, take preventive measures, eliminate the common quality problem, do a molding engineering, oncequalified, eliminate rework phenomenon, avoid unnecessary human, financial, material and other large amount of investment and increase of project cost.3.5, Strengthening the contract management, control project costContract management is the important content of construction enterprise management, but also reduce the cost of the project, also is the effective way to improve the economic benefit. Time frame for project construction contract management should begin with contract negotiations, to the end of warranty date, especially to strengthen contract management in construction process, do well in contract management of attack and defense, attack means during the execution of the contract to pay close attention to the effect of our progress in performance of the contract, to prevent being claim. In contract management tasks ,we take the right and wrong every day to read between the lines by in contract, search for the opportunity to attack and conservation measures.In short, cost prediction establish target behavior for cost, and cost control also has focus. Without cost control, cost prediction will lose the meaning of existence, there was no way to talk about cost management, the two complement each other, therefore, we should research from theory ,and work in practice in full swing, to finish the work effectively.Keyword：Engineering、Project management、cost、Optimization关于工程项目成本管理的思考摘要：项目成本管理是在保证满足工程质量、工期等合同要求的前提下，对项目实施过程中所发生的费用，通过计划、组织、控制和协调等活动实现预定的成本目标，并尽可能地降低成本费用的一种科学的管理活动，它主要通过技术（如施工方案的制定比选）、经济（如核算）和管理（如施工组织管理、各项规章制度等）活动达到预定目标，实现盈利的目的。