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An analytic study on the deflection of subway tunnel due to adjacent excavation of foundation pit
  • ISSN号:1004-2954
  • 期刊名称:《铁道标准设计》
  • 时间:0
  • 分类:U459.1[建筑科学—桥梁与隧道工程;交通运输工程—道路与铁道工程] TU753.1[建筑科学—建筑技术科学]
  • 作者机构:Key Laboratory of Transportation Tunnel Engineering,Ministry of Education, School of Civil Engineering,Southwest Jiaotong University, Chengdu 610031, China
  • 相关基金:The research is supported by the Fundamental Research for the Central Universities (SWJTU11ZT33) and the Funds for the development of Innovation team of Ministry of Education (IRT0955).
中文摘要:

预言并且估计地铁隧道的反应到基础坑的邻近的挖掘是秘密地设计的领域里的一个研究焦点。基于二阶段的方法和增长方法的原则,一条分析途径在这篇论文被建议由于邻近的挖掘以隧道的一个精确、快速的方法,和胀起解决这个问题被分析方法解决。而且,介绍方法在第 11 行深圳地铁的实际工程盒子中被使用并且由数字模拟并且在 situ 测量验证了。最后,参量的分析被执行在隧道偏转上调查不同因素的影响。一些有用结论是从研究被得出了在下面:从分析方法获得的隧道的偏转结果与结果从数字分析得到将近一致并且测量数据,它验证了介绍方法的精确性和合理性。挖掘尺寸在排水量价值和隧道的影响范围上有重要影响。然而,相对距离仅仅影响隧道,然而并非隧道的影响范围的排水量价值。分析邻近的挖掘影响的地铁隧道的偏转可以提供某些参考书。

英文摘要:

Predicting and estimating the response of sub- way tunnel to adjacent excavation of foundation pit is a research focus in the field of underground engineering. Based on the principle of two-stage method and incre- mental method, an analytic approach is suggested in this paper to solve this problem in an accurate and rapid way, and the upheavals of tunnel due to adjacent excavation are solved by analytic method. Besides, the presented method is used in the practical engineering case of Shenzhen Metro Line 11 and verified by numerical simulation and in situ measurement. Finally, a parametric analysis is performed to investigate the influence of different factors on tunnel's deflection. Some useful conclusions have been drawn from the research as below: The deflection results of tunnel obtained from analytic method are nearly consistent with the results getting from numerical analysis and measured data, which verified the accuracy and rationality of pre- sented method. The excavation size has a significant impact on both the displacement values and influenced range of tunnel. However, the relative distance only impacts the displacement values of tunnel, but not the influenced range of tunnel. It may provide certain reference to analyze the deflection of subway tunnel influenced by adjacent excavation.

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期刊信息
  • 《铁道标准设计》
  • 中国科技核心期刊
  • 主管单位:中国铁路工程总公司
  • 主办单位:中铁工程设计咨询集团有限公司
  • 主编:刘家锋
  • 地址:北京丰台区广安路15号中铁咨询大厦
  • 邮编:100055
  • 邮箱:tdbsb@263.net
  • 电话:010-51830166 52696303
  • 国际标准刊号:ISSN:1004-2954
  • 国内统一刊号:ISSN:11-2987/U
  • 邮发代号:82-765
  • 获奖情况:
  • 被北大图书馆收入1992,1996,2000,2008,2011年版《...
  • 国内外数据库收录:
  • 中国中国科技核心期刊,中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版)
  • 被引量:14548