Analysis of current status of Xi'an cracks and MTR measures for tunnel construction

LIANG Yong-heng; SHAO Sheng-jun; WANG Tao-tao

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Analysis of current status of Xi'an cracks and MTR measures for tunnel construction

更新时间：2026-06-25

- Analysis of current status of Xi'an cracks and MTR measures for tunnel construction
- Vol. 30, Issue S2, (2009)
- 作者机构：
- 作者简介：
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- DOI：
  CLC： U452
- Online First：21 June 2011，
  
  Published：2009
- 稿件说明：
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LIANG Yong-heng, SHAO Sheng-jun, WANG Tao-tao. Analysis of current status of Xi'an cracks and MTR measures for tunnel construction[J]. 2009, 30(S2).
DOI：

LIANG Yong-heng, SHAO Sheng-jun, WANG Tao-tao. Analysis of current status of Xi'an cracks and MTR measures for tunnel construction[J]. 2009, 30(S2). DOI：

摘要

汾渭盆地是国内地裂缝发育最强烈的地区。西安地处汾渭盆地，已经出露地表和隐伏的地裂缝共发现15条。在综合已有的认识基础上，深化了西安地裂缝成因的认识。通过西安地裂缝的活动现状及其发展趋势分析，针对西安各地裂缝的分布、活动状态和已有监测结果，给出了地裂缝带的最大地表宽度和地铁设防长度；针对地裂缝活动对衬砌结构的影响及破坏作用，从适应地裂缝变形、预防衬砌结构破坏和道床变形调控等方面，探讨了地基处理措施、结构加强措施、道床结构措施，阐述了西安地铁2号线通过地裂缝时地铁隧道建设的应对措施。目前，确立的“放”与“防”的设计指导思想是西安地铁隧道穿越地裂缝设计方案进一步完善和深入研究的基础

Abstract

The Fen-Wei basin is the most serious area of the ground fissure formation in China. Xi'an is located in Fenwei basin and the exposed surface of the cracks and fractures were found concealed in 15. Based on the existing knowledge

the new point about the causation of Xi'an crack is raised. According to the research of Xi'an crack on the current status of activities and its development trends

the cracks in the surface with the largest width and length of metro security is raised on the expert advice and the latest research. The MTR measures to deal with cracks are raised on the analysis of the impact and failure mode on the structure which is caused by the cracks. Based on the existing knowledge and research

analysis of the development tendency of Xi'an cracks and the MTR measures to deal with cracks will contribute to the development of urban underground track

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