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地铁换乘车站基坑围护结构变形监测与数值模拟

胡安峰, 张光建, 王金昌, 宋欢

胡安峰, 张光建, 王金昌, 宋欢. 地铁换乘车站基坑围护结构变形监测与数值模拟[J]. 岩土工程学报, 2012, 34(suppl): 77-81.
引用本文: 胡安峰, 张光建, 王金昌, 宋欢. 地铁换乘车站基坑围护结构变形监测与数值模拟[J]. 岩土工程学报, 2012, 34(suppl): 77-81.
HU An-feng, ZHANG Guang-jian, WANG Jin-chang, SONG Huan. Monitoring and numerical simulation of deformation of retaining structure excavation of a metro transfer station[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 77-81.
Citation: HU An-feng, ZHANG Guang-jian, WANG Jin-chang, SONG Huan. Monitoring and numerical simulation of deformation of retaining structure excavation of a metro transfer station[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 77-81.

地铁换乘车站基坑围护结构变形监测与数值模拟  English Version

详细信息
    作者简介:

    胡安峰(1974– ),男,博士,副教授,主要从事软黏土力学与深基坑研究工作。

  • 中图分类号: TU473

Monitoring and numerical simulation of deformation of retaining structure excavation of a metro transfer station

  • 摘要: 以某地铁换乘车站基坑为研究背景,分析了基坑施工过程中地下连续墙水平位移随基坑开挖深度和时间的变化规律。建立三维有限元模型对地铁车站深基坑开挖进行模拟计算,将获得的地下连续墙变形结果与监测结果进行了对比分析。结果表明:地下连续墙最大水平位移的计算值与实测值差距很小,其发展变化的趋势几乎一致,有限元计算的结果是可信的。三维有限元模型能够更好的考虑基坑空间效应对地下连续墙水平位移的影响,可以为优化设计和施工提供有益的参考。
    Abstract: Based on the excavation project of a metro transfer station, the change laws of horizontal deformation of the retaining structure with the excavation depth and time are studied. Three-dimensional finite element model is established to simulate the excavation of the metro station. The FEM results and in-situ monitoring results of retaining structure deformation are compared. The results show that the difference of the maximum horizontal displacement of diaphragm wall between the calculated and in-situ monitoring results is small. And the trend of change laws is almost uniform. The results of finite element analysis are credible. Three-dimensional finite element model can consider the influence of spatial effect to the horizontal displacement of diaphragm wall. It may provide reference for the design and construction.
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出版历程
  • 收稿日期:  2012-11-12
  • 发布日期:  2012-11-12

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