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硬化土模型在桩锚与桩撑组合支护深基坑工程中的应用

谢建斌, 曾宪明, 胡井友, 温一波, 吴昌长

谢建斌, 曾宪明, 胡井友, 温一波, 吴昌长. 硬化土模型在桩锚与桩撑组合支护深基坑工程中的应用[J]. 岩土工程学报, 2014, 36(zk2): 56-63. DOI: 10.11779/CJGE2014S2010
引用本文: 谢建斌, 曾宪明, 胡井友, 温一波, 吴昌长. 硬化土模型在桩锚与桩撑组合支护深基坑工程中的应用[J]. 岩土工程学报, 2014, 36(zk2): 56-63. DOI: 10.11779/CJGE2014S2010
XIE Jian-bin, ZENG Xian-ming, HU Jing-you, WEN Yi-bo, WU Chang-chang. Application of hardening soil model in deep excavations supported by pile-anchor and pile-braced composite supporting structures[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 56-63. DOI: 10.11779/CJGE2014S2010
Citation: XIE Jian-bin, ZENG Xian-ming, HU Jing-you, WEN Yi-bo, WU Chang-chang. Application of hardening soil model in deep excavations supported by pile-anchor and pile-braced composite supporting structures[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 56-63. DOI: 10.11779/CJGE2014S2010

硬化土模型在桩锚与桩撑组合支护深基坑工程中的应用  English Version

基金项目: 国家自然科学基金项目(51264037); 云南省应用基础研究计划面上项目(2011FB010,2012FB117)
详细信息
    作者简介:

    谢建斌(1973- ),男,副教授,博士,主要从事岩土工程、工程力学理论及试验研究方面的教学和科研。E-mail: kmxiejb@sina.com。

Application of hardening soil model in deep excavations supported by pile-anchor and pile-braced composite supporting structures

  • 摘要: 基于硬化土模型(hardening soil模型),针对一位于昆明市中心复杂周边环境桩锚与桩撑组合支护的城市深基坑工程实例,通过基坑场地土样固结排水三轴压缩试验和固结试验选取了硬化土模型中的参数;采用MADIS/GTS对该基坑工程的开挖支护过程进行三维有限元分析,并将分析结果与m法计算结果、工程实测结果进行了对比。分析结果与m法计算结果、实测数据的对比表明:硬化土模型可用于桩锚与桩撑组合支护深基坑工程的数值分析;利用硬化土模型可得较符合实际的基坑开挖变形规律。
    Abstract: Based on the hardening soil model, a deep excavation supported by pile-anchor and pile-braced composite supporting structures is analyzed. The excavation is located in the downtown of Kunming City, and the surrounding environment of the deep foundation pit is complex. The associated parameters of the hardening soil model are designed by consolidated-drained triaxial compression test and consolidation test. Then three-dimensional finite element analysis of the excavation during constructing and supporting processes is carried out using the software of MADIS/GTS. The results of finite element method are compared with the measured data and the calculated results of m-method. The comparison shows that the hardening soil model can be adopted to analyze the deep excavation supported by pile-anchor and pile-braced composite supporting structures. The real deformation mechanism and regularity of foundation excavation can be obtained by using the hardening soil model.
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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