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含砂砾土层SMW围护结构变形的三维数值分析与监测

李东海, 王梦恕, 丁振明, 刘军, 张顶立, 刘继尧

李东海, 王梦恕, 丁振明, 刘军, 张顶立, 刘继尧. 含砂砾土层SMW围护结构变形的三维数值分析与监测[J]. 岩土工程学报, 2012, 34(suppl): 120-124.
引用本文: 李东海, 王梦恕, 丁振明, 刘军, 张顶立, 刘继尧. 含砂砾土层SMW围护结构变形的三维数值分析与监测[J]. 岩土工程学报, 2012, 34(suppl): 120-124.
shu
LI Dong-hai, WANG Meng-shu, DING Zhen-ming, LIU Jun, ZHANG Ding-li, LIU Ji-yao. Three-dimensional numerical analysis and monitoring of deformation of SMW retaining structures of deep excavations in gravelly soils[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 120-124.
Citation: LI Dong-hai, WANG Meng-shu, DING Zhen-ming, LIU Jun, ZHANG Ding-li, LIU Ji-yao. Three-dimensional numerical analysis and monitoring of deformation of SMW retaining structures of deep excavations in gravelly soils[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 120-124.
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含砂砾土层SMW围护结构变形的三维数值分析与监测  English Version

  • (1. 北京交通大学隧道及地下工程教育部工程研究中心，北京 100044；2. 北京市市政工程研究院，北京 100037；3. 北京市政建设集团有限责任公司，北京 100045)

详细信息
    作者简介:

    李东海(1977– )，男，河北泊头人，高级工程师，博士研究生，从事隧道及地下工程监测与评估方面研究。

  • 中图分类号: TU473

Three-dimensional numerical analysis and monitoring of deformation of SMW retaining structures of deep excavations in gravelly soils

  • (1. Tunnel and Underground Engineering Research Center of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China; 2. Beijing Municipal Engineering Research Institute, Beijing 100037, China; 3. Beijing Municipal Engineering Group Co., Ltd., Beijing 100045, China)

摘要

    摘要
  • 摘要: 结合某含砂砾地层中的地铁基坑工程，对这种非软土地层SMW围护结构变形情况进行了三维数值模拟分析，同时对基坑开挖过程中的围护结构变形和周边地表沉降监测数据进行了对比分析。通过综合分析，SMW围护结构适用于含砂砾地层，而且其刚度优于桩径800 mm、桩间距1400 mm的排桩围护结构。同时对围护结构变形和周边地表沉降的时空分布规律进行了总结，为今后类似工程的变形预测及变形控制值的确定提供有益的参考。
    Abstract: According to a deep excavation of subway in gravelly soils, the deformation of SMW retaining structures in non-soft soils is analyzed by three-dimensional numerical analysis. At the same time, the monitoring data of the deformation of retaining structures and the settlement of adjacent ground surface during the excavation of foundation pit are analyzed. Through the comprehensive analysis, the SMW retaining structures are suitable to the gravelly soils and their stiffness is more than that of the row piles with diameter of 800 mm and pile spacing of 1400 mm. The spatial and temporal distribution laws of the deformation of retaining structures and the settlement of the adjacent ground surface are summarized. It may be useful for deformation prediction and determination of control value of similar projects in future.
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    • 参考文献(11)
  • [1] 张忠苗, 赵玉勃, 吴世明, 等. 过江隧道深基坑中SMW工法加钢支撑围护结构现场监测分析[J]. 岩石力学与工程学报, 2010, 29(6): 1271–1278. (ZHANG Zhong-miao, ZHAO Yu-bo, WU Shi-ming, et al. In-situ monitoring analysis of retaining structure of SMW piles plus steel support in deep foundtation pit of a river-cross tunnel[J]. Chinese Journal of Rock Mechanics and Engineering, 2010, 29(6): 1271–1278. (in Chinese))
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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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