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Volume 36 Issue zk1
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LIU Zhi-fang. Design and practice of deep foundation pits under unbalanced earth pressure[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk1): 141-147. DOI: 10.11779/CJGE2014S1025
Citation: LIU Zhi-fang. Design and practice of deep foundation pits under unbalanced earth pressure[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk1): 141-147. DOI: 10.11779/CJGE2014S1025
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Design and practice of deep foundation pits under unbalanced earth pressure

  • Guangzhou Urban planning &
    Survey Research Institute, Guangzhou 510060, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
    Graphical Abstract
    • Abstract
  • Based on a deep foundation pit project under the unbalanced earth pressure in Guangzhou, selection of supporting structures is comparatively analyzed using three-dimensional numerical calculation. Through the combined system of large-diameter concrete piles and concrete corner support or truss support, the deformation generated by the unbalanced earth pressure at the north and south sides of the foundation pit is coordinated. The security of foundation pit and surrounding environment is ensured. The monitoring data and the deformation characteristics of the retaining structures show that the combines support achieved a good effect.
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    • References (3)
  • [1]
    广州市设计院. 中山大学附属第六医院医疗综合大楼项目岩土工程勘察报告[R]. 广州: 广州市设计院, 2009. (Guangzhou Design Institute. Geotechnical engineering investigation report of the sixth affiliated hospital medical complex project[R]. Guangzhou: Guangzhou Design Institute, 2009. (in Chinese))
    [2]
    JGJ—120—2012 建筑基坑支护技术规程[S]. 2012. (JGJ—120—2012 Technical specification for retaining and protection of building foundation excavations[S]. 2012. (in Chinese))
    [3]
    GB50010—2010 混凝土结构设计规范[S]. 2010. (GB50010—2010 Code for design of concrete structures[S]. 2010. (in Chinese))
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