| 西安地铁2号线通过地裂缝的结构及防水设计 |
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| 引用本文： | 雷永生.西安地铁2号线通过地裂缝的结构及防水设计[J].岩土力学,2009,30(Z2):277-282. |
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| 作者姓名： | 雷永生 |
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| 作者单位： | 中铁第一勘察设计院集团有限公司,西安,710043 |
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| 摘 要： | 首建南北走向的地铁2号线是西安市规划轨道交通线网中一条重要的南北干线,其建设中的难题和关键技术就是跨越地裂缝的问题.文中结合西安市地铁2号线地裂缝段工程措施的研究课题,对地裂缝的特点进行了说明,对地铁区间结构穿过地裂缝处的所采取的结构设计措施和防水设计方案进行了论述.针对地裂缝的活动性,提出了过地裂缝段采取的防治措施是:"防"与"放"相结合,结构适应地裂缝的变形为主;结构断面扩大,预留变形空间,结构分段增设变形缝以便适应变形、接头采用柔性连接,加强结构强度以适当抵抗变形对结构的破坏;同时在地裂缝处理段采取可调式框架板轨道适应地裂缝处变形,来保证运营安全;在防水措施上采取特殊方法,设计了具有大应变特性的新型独特的防水方案.
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| 关 键 词： | 地铁 地裂缝 防水 结构措施 |
| 收稿时间： | 2009-08-10 |
Structural and waterproof design of Xi'an Metro Line No.2 crossing earth crevasse |
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| LEI Yong-sheng.Structural and waterproof design of Xi'an Metro Line No.2 crossing earth crevasse[J].Rock and Soil Mechanics,2009,30(Z2):277-282. |
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| Authors: | LEI Yong-sheng |
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| Institution: | City buliding Depatment, China Railway First Survey and Design Institute Group Ltd., Xi’an 710043, China |
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| Abstract: | Xi'an Metro Line No.2 is an a important track traffic network south-north main stem of Xi'an city. For its construction, the key problem is crossing the earth crevasse. In light of the problem mentioned above, the structural design measures and waterproof project of metro section crossing earth crevasse, are described in detail. For the activity of earth crevasse, The structural measure is: "Prevention" and "release" the combination, The structure adapts The deformation of the earth crevasse primarily; The structure cross section expands, reservation distortion space, The structure cross section expansion reservation distortion space, the structure partition addition distortion seam adaptation distorts, the attachment to use the flexible connection, Strengthen the structural strength to resist deformation due to structural damage;Simultaneously adopts Frame plank structure being adjusted, assures the operation security; Waterproofing measures taken in the special way, using a large-strain properties of the new unique Design project of waterproof. |
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| Keywords: | metro earth crevasse waterproof structural measure |
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