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Volume 36 Issue zk2
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SHAO Quan, XU Xue-lian, XU Song, XU Jun, TIAN Ming. Three-dimensional numerical analysis of factors affecting deformation of pile-anchor-support composite retaining structures for deep foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 87-91. DOI: 10.11779/CJGE2014S2015
Citation: SHAO Quan, XU Xue-lian, XU Song, XU Jun, TIAN Ming. Three-dimensional numerical analysis of factors affecting deformation of pile-anchor-support composite retaining structures for deep foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 87-91. DOI: 10.11779/CJGE2014S2015
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Three-dimensional numerical analysis of factors affecting deformation of pile-anchor-support composite retaining structures for deep foundation pits

  • Faculty of Engineering, China University of Geosciences, Wuhan 430074, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
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    • Abstract
  • The pile-anchor-support composite retaining structure is a complex combination support system for foundation pits. It has many influencing factors, and the current design theory is not mature. Based on an engineering example, through numerical simulation and site monitoring, the force and deformation of the pile-anchor-support supporting structure as well as the influencing factors of deformation are analyzed. The conclusions are drawn as follows: parameters of the retaining piles and anchors, and stiffness of the supports can affect the deformation of the composite retaining structures. To reduce the diameter or increase the embedded depth of retaining piles appropriately can reduce the horizontal displacement of the composite retaining structures. Besides, by increasing the stiffness of the support, the force that supports bears will increase, and the axial force of anchors will decrease. Finally, to increase the anchor spacing or reduce the inclination angle of anchors can increase the internal force of the system.
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    • References (4)
  • [1]
    杜秀忠, 杨光华, 孙昌利, 等. 双排桩支护在某水利基坑中的应用[J]. 岩土工程学报, 2012, 34(增刊): 490-494. (DU Xiu-zhong, YANG Guang-hua, SUN Chang-li, et al. Application of double row pile in a water conservancy pit[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(S0): 490-494. (in Chinese))
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    王召磊, 杨志银, 张 俊, 等. 桩撑锚组合支护结构的三维数值分析[J]. 岩土工程学报, 2012, 34(增刊): 230-232. (WANG Zhao-lei, YANG Yin-zhi, ZHANG Jun, et al. Three-dimensional numerical analysis of pile-support-anchor bracing structure[J]. Chinese Journal of Geotechnical Engineering,2012, 34(S0): 230-232. (in Chinese))
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    冯申铎, 姜晓光, 杨志银, 等. “桩（墙）-撑-锚”联合支护技术的工程应用与变形协调探讨[J]. 岩土工程学报, 2012, 34(增刊): 456-460. (FENG Shen-duo, JIANG Xiao-guang, YANG Yin-zhi, et al. The engineering application and deformation coordination discussion of pile-support-anchor bracing structure[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(S0): 456-460. (in Chinese))
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    邱洪志, 甄西刚, 乐金朝. 桩锚-撑联合支护结构在深基坑中的应用[J]. 河南城建学院学报, 2011, 20(5): 5-9. (QIU Hong-zhi, ZHEN Xi-gang, LE Jin-zhao. Application of pile-support-anchor bracing structure in deep foundation pit[J]. Journal of Henan University of Urban Construction, 2011, 20(5): 5-9. (in Chinese))
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