新建铁路特长隧道单洞、双洞方案研究

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第4 期
马志富: 新建铁路特长隧道单洞、双洞方案研究
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the works for operation,disaster prevention,evacuation and rescue,etc. ( 2) The quantified standard method should be established to compare and contrast single - tube or double - tube schemes. ( 3) The research results can be used for reference in the decision - making process of tunnel scheme in control line. Key words: extra - long tunnels; single - tube; double - tube; study
收稿日期: 2019 - 01 - 21 基金项目: 中国铁路总公司重大课题———铁路隧道防灾疏散救援系统优化研究( K2018G012) ; 中国铁路设计集团有限公司重大课题———高海 拔地区复杂环境隧道关键技术研究( 2019YY120301)
作者简介: 马志富,1969 年出生,男,教授级高级工程师。
研究结论: ( 1) 特长隧道单洞或双洞方案选择时,长度 20 km 以下的隧道,采用钻爆法施工时以单洞双线 为主,采用 TBM 或盾构施工时宜进行单洞或双洞比选; 20 km 以上的特长隧道,需综合考虑地形地质条件、线 路条件、施工方法、施工组织、运营与防灾救援工程设置等因素,进行单洞、双洞、单洞加平导、部分双洞等方案 比较,合理确定隧道方案; ( 2) 需建立单洞、双洞方案量化比较的标准方法; ( 3) 本研究成果可为控制线路的隧 道工程方案决策过程提供参考。 关键词: 特长隧道; 单洞; 双洞; 研究 中图分类号: TU473. 1 247)
铁道工程学报 JOURNAL OF RAILWAY ENGINEERING SOCIETY
文章编号: 1006 - 2106( 2019) 04 - 0060 - 05
Apr 2019 NO. 4( Ser. 247)
新建铁路特长隧道单洞、双洞方案研究
马志富
( 中国铁路设计集团有限公司, 天津 300142)
摘要: 研究目的: 新建双线铁路时,按照规范要求,特长隧道采用单洞还是双洞,亦即采用合修或分修,需要在 方案研究和勘察设计阶段进行综合比较确定。本文通过调研总结我国特长隧道的发展情况和国外特长隧道 的相关情况,分析论证单洞、双洞的优缺点,提出特长隧道选用单洞、双洞的建议,并提出比较分析项目的量化 评价方法,期望对特长隧道密集项目选择单洞、双洞起到抛砖引玉的作用。
Research on the Schemes of Single - tube and Double - tube Tunnel for New Railway of Extra - long Tunnel
MA Zhifu ( China Railway Design Corporation,Tianjin 300142,China) Abstract: Research purposes: For new extra - long double - track tunnels,comprehensive comparison and contrast should be made between the scheme of single - tube double - track and the scheme of double - tube single - track built integrally or separately in program research on survey and design stage to meet the requirement of relevant codes. In this paper,the pros and cons of single / double tube are analyzed and demonstrated,the suggestion of single / double tube schemes for extra - long tunnels are proposed and the quantitative evaluation method of comparing and analyzing schemes are come up with, so as to provide some basic concepts for the scheme comparison through the research and summarization of domestic and foreign extra - long tunnels. Research conclusions: ( 1) Through the extra - long tunnel schemes comparison of single - tube or double - tube,for the tunnels less than 20 km length,single - tube double - track is priority when constructing with drill and blast method, but single - tube or double - tube comparison should be done when constructing with TBM or shield method; for the tunnels exceeding 20 km length,schemes including single - tube,double - tube,single - tube with parallel adit,single - double combined tubes should be compared to determine the reasonable scheme under the consideration of landform and geological conditions,tunnel location conditions,construction methods,construction organization and the arrangement of
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