05X101-2《地下通讯电缆敷设》

GUOJIJIANZHUBIAOZHUNSHEJI 05×101-2地下通讯电缆敷设The Laying of the Underground Communication Wires and Cables Published by China Architecture Standard Research and Design InstituteThe laying of the underground communication wires and cables Approved by: The Ministry of Construction of the People’s Republic of China Making unit: Wuzhou Engineering Design and Research Institute Implementation on: March 1, 2005 Approval Number: J Z [2005] No.14 The unified number: GJBT – 8244 The atlas number 05X101-2 The principal of the making unit:The technical principal of the making unit: The technical approver:The design principal:The instruction for the standard making1.The design rationale1.1The document released by the Ministryof Construction: J Z No [2004] 46,The Notification on Issuing TheWorking Plan of the Making of theNational Construction DesignStandard of 20041.2The current national and industrialstandards and regulations1.2.1The Regulation on the Project Designof the User Lines of the LocalTelephone Network, YD5006 – 2003;1.2.2The Regulation on the Acceptanceand Checking of the CommunicationLine Project of the Local Network,YD5051 – 97;1.2.3The Regulation on the Design of theCommunication Pipeline and ChannelEngineering; YD5007 – 2003;1.2.4The Technical Regulation on theConstruction and Acceptance andChecking of the Communication PipeEngineering, YD5103 – 2003;1.2.5The Regulation on the Design of theCommunication for the IndustrialEnterprises; GBJ42 – 81;1.2.6The Regulation on the Design of theUrban Engineering of theUnderground Plastic Pipes forCommunication, CECS 165:20041.2.7The Regulation on the Load of theConstruction Structure, GB50009 –2001;1.2.8The Regulation on the Design of theMarshalling Structure, GB50003 –2001.2 The range of applicationThis atlas is applied in the constructionand installation of the outdoor underground communication lines of the civil building and industrial enterprises of the newly-construction, re-construction and enlargement engineering under the normal conditions. The construction and installationof the outdoor underground lines of other weak electricity rooms can refer to this atlas.3. Main content3.1 This atlas is the revised edition of the atlasof The Installation of the Underground Communication Lines (94X101 - 2)3.2 This atlas adds the new content on the basis of The Installation of the Underground Communication Lines (94X101 - 2) so as to meet the demands in the various engineering.The newly-added content mainly contains the laying method of the optical cables and the content dealing with the new-type pipes (double wall wave plastic pipe, silicon chip plastic pipes, grid plastic pipes, cell plastic pipes and multi-hole plastic pipes) and the small scale manhole.3.3 The common small scale manhole in the atlas of The Installation of the Underground Communication Lines (94X101 - 2) is kept inthis atlas, and the uncommon large scale manhole is deleted. When such middle and large scale manholes are needed in the engineering, the constructing method can be referred to in The Atlas of the Manhole and Pipe and Block Group in the CommunicationGJBT – 8244：05×101-2Pipes (YDJ - 101).3.4 For the constructing method of the cablechannel， please refer to The Laying of theCable of 35kv and Lower Voltage (94D101-5).3.5 The main content of the atlas3.5.1 The directly buried cable line3.5.2 The directly buried optical cable line3.5.3 The pipe cable line3.5.4 The pipe optical cable line4. The selection of the equipmentsThe cement pipes, steel pipes, PVC pipes,grid plastic pipes, double-wall wave plasticpipes, silicon chip plastic pipes, cell plasticpipes and multi-hole pipes can be selected asthe pipelines. When the conditions permit, thePVC pipes, double-wall wave plastic pipes,silicon chip plastic pipes, cell plastic pipes andmulti-hole pipes should be used as much aspossible.5. Manhole5.1 The manholes in this atlas is only appliedfor the common constructing method in theenvironment of the types of 2a and 2b, and therequirements in the special conditions such asanti-corrosion and the collapsible loess area,etc. If there are the special conditions, theengineering designing unit will designaccording to the relative regulations.5.2 This atlas is applied in the area with theseismic intensity of 7.5.3 On the designed manhole, the casing soil(excluding the small scale manhole) is 400 –800, and the living load is level -20.5.4 The manhole can be divided into threekinds according to the waterproof level:Water level Fundus –below1.0mFundus 0.5– 1.0mFundus over0.5mType ofthe sapCommon Anti-damp Waterproof 5.5 MaterialThe intensity level of the bricks: MU10The intensity level of the mortar: refer to the detailed drawingThe intensity level of the reinforced concrete:C30The steel bar: HPB235(Q235); HRB335(20mMnSi)The steel bar protective layer: 25The cement used in the cushion coat: C155.6 The holes should be opened at the sidewalls of the manhole, the sizes and standard height should be determined by the engineering design. When the distance between the top of the hole and the bottom ofthe board h is less than the width of the hole(A or B), the lintel (A or B) should be added.5.7 There are two kinds of diameters of theholes on the cover, D=800 and D=710, the selection of the diameter should be determinedby the engineering design.5.8 The feature value of the bearing capacityof the foundation is 130 kPa, and the coefficient of compaction of the foundation should be larger than 0.94.5.9 The amount of the pipes accommodatedby the manholesThe maximum amount of theaccommodated pipes (hole)TypeStandard pipe(the diameter is90 mm)The multi-holepipe (thediameter is 28mm to 32 mm)The small scalemanhole18 54 The hand hole 4 12The small scalehand hole2 66 Other indications6.1 All the iron components in the atlas shouldbe galvanized.6.2 Besides special indication, all the unit ofthe size in the atlas are mm.The table on the minimum net distance between the communication pipe and otherunderground pipelines and the buildingsThe name of other underground pipelines and buildings The parallelNet distance(m)The crossing net distance (m)The existing building 2.0 - The red line of the buildings inplanning1.5 -d < 300mm 0.5300mm < d < 500mm 1.0The watersupply piped > 500mm 1.50.5Sewage drainage pipe 1.0[1]0.15[2] Thermal pipe 1.0 0.25 P < 0.3MPa 1.0Gas pipe 0.3MPa < P <0.8MPa 2.00.3[3]Less than 35KV 0.5Electric cable 35KV and over35KV 2.00.5[4]Foundation side of thehigh-pressure tower2.5 -Communication pipe 0.5 0.25Arbor 1.5AfforestationBush 1.0- Rod above the ground 0.5 – 1.0 - curb 1.0 -Rail 2.0 - Ditch (foundation base) - 0.5 Culvert (foundation base) - 0.5 Rail foot for the trolley bus - 1.0 Rail foot for the train - 1.0The table on the minimum net distance between the directly buried cables, optical cables and other underground pipelines and the buildingsThe name of other underground pipelines andbuildings The parallel netdistance (m)The crossing netdistance (m)d < 300mm 0.5300mm < d < 500mm 1.0The water supplypiped > 500mm 1.50.5Sewage drainage pipe 1.0 0.5 Thermal pipe 1.0 0.5P < 0.4MPa 1.0Gas pipe0.4MPa < P <1.6MPa2.00.5Communication pipe 0.75 0.25Suburb arbor 2.0 -Urban arbor 0.75Construction red line (or foundation) 1.0 -Gutter 0.80.5Less than 35KV 0.5Electric cable35KV and over35KV 2.00.5Note:1.When the branch drainage pipe is laid latter, the horizontal net distance between theconstruction border and the pipes should not be less than 1.5m.2.When the pipes are crossing under the drainage pipe, the net distance should not be less than0.4m, and the communication pipes should be enveloped.3.In the range of 2m of the crossing site, there should be no jointing devices and accessories forthe gas pipes; if the condition above can not be avoided, the communication pipes should be enveloped.4.If the protective pipes should be added to the electric cables, the net distance can be reducedto 0.15m.The protective measures taken to the directly buried cables and optical cables against themechanical damagesDevice ProtectivemeasuresSteel pipe Used in the place where the pipe should cross the railway and must cross the road (with the pipe bushing), the steel pipe should be selected.Plastic pipe Used in the place where the pipe should cross the road or the gravels or other simple road, the PVC pipe can be used.Conduit The routine of the directly buried cable is beside the road, which can endure the passing-by of the heavy duty vehicles, and the place of which the foundation soil is very soft. Such placeshould be protected by the conduit, it can only be used to cross the road. The conduit iscomposed of the consecutively laid protective tile-style structures. In the urban area the cementprotective tile should be used, in the suburb, the protective conduit made up of the glass steelcan be used. For the place where it is difficult to prepare the devices, it can also use the brickwalls to protect.Planes of the reinforced concrete (it can be replaced by the stone planes in the area with abundant stones) If the excavation is difficult for some reasons, and the buried depth can’t reach the regulated value, or there is the place where the covering earth on the optical cable might be scoured by the flood, or for the gutters and ponds of dredging up and mud excavation, the planes of the reinforced concrete should cover on the optical cable.Water-preventing wall, founder slope For the place where the cable crosses the slopes or ponds or scoured by the floor, it should be consolidated or blocked, or the measures of distributaries can be taken, or the water-preventing walls or the founder slope can be constructed.S-shape laying The optical cables covered by the steel pipe can be laid at the place with the gradient over 20°, if the gradient of the place is over 30°,the optical cable can be protected by the aluminum pipesor the steel wire suite. When the length of the slope is over 30 cm, the cables can be laid in an Sshape, if it cannot be laid in an S shape because of the restrictions of the conditions, the opticalcables can be fixed with the method used for the traditional metal consolidation, such as pittingor ledger. When passing the small river, the place should be reserved.Fitting sap The plastic tile or plastic pipe can be used in the optical cable fitting pipe, or the cement board can be covered on the cables, the fitting sap can also be used for the protection the width of thefitting sap is 1.1m and the length is 2m. The depth should meet the requirement of the burial ofthe optical cables, and it should be covered by the cement covering board.The protective measures taken to the pipe optical cables against the mechanical damages Device ProtectivemeasuresSnake-shaped soft pipe Protect the optical cables in the manhole:(1)When conduct out the optical cables from the optical cable drum, the soft pipe should beused for protection so as to avoid that the nozzle is damaged by fraction.(2)When the optical cable driven by the winch passes the corner point and the bending zone,it should be protected by the soft PE pipe.(3)When the optical cable driven by the winch passes the holes with the different altitude inthe manholes, it should be protected by the soft PE pipe.Pipe socket The protection of the holes of the optical cable:(1)The optical cable passes the hole, it should be protected by the two interconnecting softmetal pipes, the lengths of the metal pipes are 1m and 2m respectively, and the pipe socket(2)The optical cable enters another hole via the manhole, and the pipe socket is installed atthe hole fo the direction of traction.When the optical cable passes the hole of the pipe, the neutral lubricant should be painted on,when driving the PE protective optical cable, the paraffin oil is a kind of good lubricant, it hasno long-term effects to the protective suite of PE, and the following are the fractioncoefficients:Type of pipes Static, nolubrication Static, liquidlubricationDynamic,lubricationDynamic,non-lubricationPVC 0.5 0.3 0.2 0.13Non-PVC 0.5 0.2 0.16 0.12 LubricantBesides, the lubricant made up of the nylon ball (the diameter is 0.2 – 0.5 mm) can also beused, put the nylons balls in the pipes or put them in the paraffin oil to paint on the optical cableso as to reduce the fraction coefficient during the traction.The end of the plug pipe Block the holes of the pipes or sub-pipes so as to avoid the damage caused by the mud and ratsThe drawing of sapThe table on the size of the general sapThe size of the sapBThe number of the cable or optical cablesAH<800 800<H<1200 1200<H<15001 - 2400 550550 600 3 450 550 600650 4 500 600 650700Note:1. The table on the size of the general sap isapplied in the hard soil (for example, the clay or clayey loam with the mediate temperature), the depth of the sap is less than 1.5, and the sap wall may not support the earth-retaining board. If the soil is very soft and there might be the landslide, the earth-retaining board must be used.The size of the sap A and B must increase the thickness of the earth-retaining boards at the both sides.2. When the cables and the optical cables arelaid in the corrosive soil, such as the red soil with the acidic chloride or other alkaline soil, besides the thin sand with the thickness of 100 mm, otheranti-corrosion measures should be taken around the cables and optical cables. For the details, please refer to the design ofengineering.3. The pre-fabricated cement board is usedfor the protective boards.The table on the arrangement method of theprotective boardsNumber of the cables and optical cables The arrangement method of the bricks 12 - 3Brick or protective boardCable or optical cableFine soil or sandThe constructing method of the underground cables and optical cables introducing into the buildings (一) Note:1. For the selection of the steel pipes, please refer to page 64.2. The burrs inside the steel pipes should be eliminated and the asphalt should be painted on.3. The cables or optical cables passing through the steel pipe should have their suites andrestrictive coatings removed.4. The gradient of the steel pipe stretching out of the room should be larger than 0.4 percent.Introduced the surface mounted sub-line deviceIntroduce the surface mounted subline devices (pass the ground beam )To sub-line devicesTo sub-line devicesRound Pipe strapIndoorCable (optical cable)Steel pipeBrick or the wall of rainforced concreteRound pipe trapeIndoorCable (optical cable) Steel pipeOutdoorBrick or the wall of the reinforced concreteoutdoorGround beamTo the sub-line devicesIndoor Brick or the wall of reinforced concreteCable (optical cable)Steel pipeOutdoorIntroduce the concealed installed sub-line devicesBrick or the wall of reinforced concreteOutdoorWaterproof mortarProtective pipe passing the wall The plugging oil, asphalt or other waterproofmaterial should be usedThe method of introducing to basement (1)The constructing method of the underground cables and optical cables introducing into thebuildings (二)The method of introducing to the basement (2)Note:1 The waterproofing work must be performed for the introducing pipe of the directly buried cables passing the wall, the distance between the buried depth and the outdoor ground should not be less than 0.7m, and the waterproof gradient should be larger than 0.4%; besides the indication, the stretching apron length of the cable-protective pipe should be larger than 500.2 The cables or optical cables passing through the steel pipe should have their suites and restrictive coatings removed.Brick or the reinforced concreteOutdoorConcrete wall 6 Thick steel plateWeldingProtective pipe passing the wall The plugging oil, asphalt or other waterproof material should be usedBrick or the wall of the reinforced concreteOutdoorConcrete wall 6 thick steel plateWeldingProtective pipe passing the wallThe plugging oil, asphalt or other waterproof material should be usedThe method of introducing to the basement (3)The drawing on the sizes of the welding steel boards and the steel pipe passing the wallThe drawing on the sizes of the welding steel boards and the steel pipe passing the wallThe constructing method of the underground cables and optical cables introducing into the buildings (3)The table on the size of the type II wing planeDN (mm) 40 50 65 80 D1 48 60 75.5 89D2 110 120 135 150 D3 210 220 235 250 b10 10 10 10Weight (kg) 0.61 0.67 0.78 0.91The table on the size of the type II suiteHard PVBSteel pipeMaterial (mm)D90 D110 DN50 DN65DN80D1 90 110 60 75.5 89 D2 140 168 80 95 110 D3 141 169 114 121 140 D4251 289 225 230 250d 4.5 5 3.5 3.75 4 b 10 10 10 10 10 h 4 5 4 4 4 Weight (kg) 5.67 7.41 4.49 4.66 5.33 Note:1. The type I robust waterproof suite is applied to the hard PVC pipe and the steel pipe, the typeII robust wing panel is applied to the steel pipe.2. After the processing of the wing panel and the steel pipe is completed, the primer should bepainted on the outer wall (the primer includes minium or the adhesive bitumen primer.3. The weight of the material of in the table on the sizes of the type II wing panel is the weightof the wing panel, the weight of the material of size of the type I suite is the steel suite (the length of the suite is counted as 200m), and the weight of the wing panel and the retainer ring. The steel suite and the wing panel is made by Q235 steel, and they are welded with the E43 welding rods.4. When the type I suite is passing the wall, if the wall is made up of the non-cement material,the range of the casted cement should be 200mm larger than the diameter of the wing panel (D4), and the suite must be casted inside the wall all at once, the filling material inside the suite must be stirred tightly and compactly. L (it is as thick as the wall, and the thickness is not less than 200)L (it is as thick as the wall, and the thickness is not less than 200)Wing panel Steel suiteEternitySteel pipePVC pipe or steel pipeBatched juteThe type I robust waterproof suite Batched juteType II robust waterproof wing panel5. The thickness of the cement wall where the type I and type II pipes pass should not be lessthan 200mm, otherwise, we should thicken one side or two sides of the cement walls.The constructing method of the underground cables and optical cables introducing into the buildings (4)The table on the selection of the fixing of the protective pipesCurve channel steel (YB98 – 63) Welded steel pipe (GB3091 - 82) The variable size of the pipe strap The specification of thefastening piecemode h d Nominal diameter Exterior diameter Thicknessof the wallA r d RB Round wooden bolt Plug bolt Burialdepth 3.2 32 3 25 33.5 3.25 30671730 5 x 50 6 x 60 50 4.0 40 3 32 42.25 3.25 38672140 5 x 50 6 x 60 50 5.0 50 3 40 48.0 3.5 48672446 5 x 50 6 x 60 50 6.0 60 4 50 60.0 3.5 56893056/ 6 x 60 60 8.0 80 4 70 75.5 3.7576893872/6 x 6060The form of the curve channel steel is the equal-leg, that is, b = h Note:1. The cable and optical cable being protected should have their exterior cover as well as therestrictive coating removed, the asphalt should be casted at the both sides.2. The welded steel pipe or the curve channel steel used for protection should be painted with theasphalt for twice.3. The protective pipe or the curve channel pipe should be fixed with the metal plug bolt, and theround wooden bolt should be used along with the plastic expanded tubes.4. The pipe straps and the fastening pieces should be galvanized, when using the plug bolts, itshould be fixed before the installation of the pipe straps.The method of conducting the directly buried cables and optical cables into the exterior walls of the buildings (一)Cable (Optical cable)The fixing of the curve channel steelWasher Expansion bolt Cable optical cable Chuck plateCable(Optical cable)Steel pipeCable (optical cable)Flat pipe strapThe fixing of steel pipeThe table on the selection of the angle iron and the cardSerial number The capacity of the cableThe specification of the angle iron b value of the card1150 x 2 x 0.5 200 x 2 x 0.5 200 x 2 x 0.4 70 x 70 x 6702 100 x 2 x 0.5 150 x 2 x 0.4 60 x 60 x 5 60 310 x 2 x 0.5 – 50 x 2 x 0.5 10 x 2 x 0.4 – 50 x 2 x 0.450 x 50 x 550Note:1. The cable and optical cable being protected should have their exterior cover as well as therestrictive coating removed.2. The angle iron should be painted with the asphalt for twice.3. The angle iron can be fixed with the M6 x 60 plug bolt, before installing the angle iron, thebolt should be fixed firstly.4. The card can be made up for 30 x 2 steel flat, then it should be galvanized.The method of conducting the directly buried cables and optical cables into the exterior walls of the buildings (二)Cable (optical cable) Chuck plateCable (optical cable)Expansion boltAngle steelChuck plate Cable (steel cable)The drawing on parts of chuck plateCable, optical cableCable (optical cable)BrickCable optical cable Cable, optical cableDry sandElectric cableBrickCable optical cableDry sand brickElectric cableBrickElectric cableElectric cableBrickBrickBlock the pipe with Teel oilSteel pipeBrickSteel pipe Electric cableBrickElectric cableThe drawing on the crossing between the directly buried cables oroptical cables with electric cables (1)The drawing on the crossing between the directly buried cables or optical cables with electric cables (2)Note: For the distance between the cable or optical cable and the electric cable, please refer to the date in page five.The water supply pipe, the drainage pipe,the thermal pipe (enveloped)Dry sandBrickCable, optical cable Steel pipe Block the pipe with theteel oilThe water supply pipe, the drainage pipe, the thermal pipe (enveloped)The gas pipe and other pipesDry sandDry sandCable Optical cableBrick Steel pipeCable，optical cable Block the pipe withthe teel oilBrickCable optical cableThe water supply pipe, the drainage pipe, the thermalpipe (enveloped) The water supply pipe, the drainage pipe, thethermal pipe(enveloped)The protective pipes (steel pipe and hard PVC pipe)Silver sand or fine soilBricks or cement boardsDirectly buried cables or optical cablesCulvert (round)CulvertBlock the pipe with the teel oilSilver sand or fine soilThe directly buried cables and optical cables pass above the culvertThe directly buried cables and optical cables pass above the culvert (protected by the bricks or cement boards)The protective pipes (steel pipe and hard PVC pipe)protective pipes (select according to the thickness of the filled soil and theconstruction structure of the culvert)Block the pipe with the teel oilBlock the pipe with the teel oilSilver sand or fine soilCulvertDirectly buried cables or optical cables Directly buried cables or optical cablesThe directly buried cables and optical cables pass above the culvertSilver sand or fine soilCulverDirectly buried cables or optical cablesThe protective pipes As aboveThe directly buried cables and optical cables pass under the culvertThe directly buried cables and optical cables pass above the culvert (protected by the protective pipes)Culver (round)RodeWithout drainsDrainDrain Protection with the bricksProtection board Cable optical cable Sand or fine soilDrainProtective board Cable or optical cable Sand or fine soilProtective board Cable or optical cable Sand or fine soilProtective board Cable or optical cable Sand or fine soilIn buildingApronIn buildingThe paralleling laying of the cable or optical cable and the drainThe paralleling laying of the cable or optical cable and building foundationThe paralleling laying of the cable or optical cable and building apronSuburban arborUrban arborProtection boardCable or optical cableSand or fine soilThe paralleling laying of the cable or optical cable and the woods (2)The specification and size of the protection method of the fitting socket made by the bricks andthe number of the bricks neededThe sizes of the various parts (mm) NoteThe number of the fittingsHeight (h) Length (L) Width (b)Distancebetween thecables (d)Single fitting 240 480 240 -Double fitting 240 480 480 240When the socket is made by the bricks and mortars, after the asphalt is filled in the socket, it should be covered by the bricksNote: it shall be sealed with PVC cement at plastic strip lapping.The protection of the fitting of the directly buried cablesCable fittingNote:1. The depth of the fitting sap should meet the requirements of the burial depth of the opticalcable, and the size of the fitting sap should meet the regulation on the sizes.2. The cement cover should be covered on the fitting, and the thickness of the refilled fine soil orsand should not be less than 300mm; if the bottom of the fitting sap is made up of the stones, sands or hard frozen earth, the fine soil or sand with the thickness of 100mm should be filled firstly before placing the fitting.3.The introducing and connection of the supervision cable should be performed according to theengineering design.4.The values of H and L should be determined according to the engineering design.The layout drawing on the directly buried cables, the fittings sap of the optical cables andthe fittingsThe disk remain method of the optical cableFitting boxOpticalcableFitting sapThe soil of this place can not be excavatedSupervision cableThe device for protecting cable fittingsThe designated width of sapCableThe arc-shape disk remain method of the optical cableThe device for protecting cable fittingsCableThe S-shape disk remain method of the optical cableRefill soilFine soil or sandCement cover CableCableFitting box Supervision cableThe symbol pileAt the side of facing the station, the accumulateddistance should be indicated (to the interface in the station, the unit is km)The symbol number is given at the starting side of the station, and it is written on the side facing the optical cable or the cable with the red lacquerThe sketch map on the reinforcing bars of the reinforced concrete bar pileΦ3 stirrup SpacingThe red paint enamel is painted on the indentThe sketch map on the position of the burial of the optical cable (or cable) symbol pileThe wooden plate symbol (or Iron plate withδ2.0)Symbol pileThe fitting of the cable (or optical cable)Painting red paint enamelThe white paint enamel is painted on the grounding4holes ofΦ6The distance between the optical cable (or the cable) and the wall is meters。