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Volume 35 Issue zk2
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LI Yun, GU Kai-yun, LIN Jing. Design method for bracing of asymmetric cylindrical foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 888-891.
Citation: LI Yun, GU Kai-yun, LIN Jing. Design method for bracing of asymmetric cylindrical foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 888-891.
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Design method for bracing of asymmetric cylindrical foundation pits

  • China Shipbuilding NDRI Engineering Co., Ltd., Shanghai 200063, China

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  • Received Date: July 18, 2013
  • Published Date: November 24, 2013
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    • Abstract
  • Because of the limited conditions of the surrounding environments and the operating requirements, most of the foundation pits are asymmetric cylindrical shape. The design and analysis methods are proposed based on an asymmetric cylindrical foundation pit, which is 25 m in depth and 50 m in diameter and constructed by using asymmetric cylindrical bracing as a horizontal support. 2D and 3D methods are studied. The results indicate that a stiffness-reduced coefficient kfor the 2D method for beams on elastic foundation should be considered to get reasonable results.
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    • References (3)
  • [1]
    李 昀, 李华梅, 吴 昊, 等. 大型圆形深基坑设计分析研究[J]. 地下空间与工程学报, 2011, 7(5): 938-944. (LI Yun, LI Hua-mei, WU Hao, et al. Study on design method of great cylindrical foundation pits[J]. Chinese Journal of Underground Space and Engineering, 2011, 7(5): 938-944. (in Chinese))
    [2]
    JTG 303—2003港口工程地下连续墙结构设计与施工规程[S]. 北京: 人民交通出版社, 2003. (JTG 303—2003 Design and construction technical code for diaphragm wall structure of port engineering[S]. Beijing: China Communications Press, 2003. (in Chinese))
    [3]
    贾 堤, 石 峰, 郑 刚, 等. 深基坑工程数值模拟土体弹性模量取值的探讨[J]. 岩土岩土工程学报, 2008, 30(增刊): 155-158. (JIA Di, SHI Feng, ZHENG Gang, et al. Elastic modulus of soil used in numerical simulation of deep foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(S0): 155-158. (in Chinese))
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