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Volume 36 Issue zk1
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WU Xi-chen, XU Yang-qing. Application of concentric circular strut system in large deep excavations under complex environment[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk1): 72-76. DOI: 10.11779/CJGE2014S1012
Citation: WU Xi-chen, XU Yang-qing. Application of concentric circular strut system in large deep excavations under complex environment[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk1): 72-76. DOI: 10.11779/CJGE2014S1012
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Application of concentric circular strut system in large deep excavations under complex environment

  • Wuhan Design and Research Institute of Sinocoal International Engineering Group, Wuhan 430064, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
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    • Abstract
  • A foundation pit located within the safety protection control line of Wuhan Yangtze River tunnel is taken as an example. The internal forces, displacements and other technical indices of single circular strut and concentric circular strut are comparatively analyzed. The calculated results show that the concentric circular strut can effectively share the axial forces. It has more reasonable structural stress, higher overall stability and supporting stiffness. It can effectively control the adverse influences of Wuhan Yangtze River tunnel and the surrounding building during the excavation of the foundation pit. Great economic and social benefits are achieved.
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    • References (3)
  • [1]
    刘国彬, 王卫东. 基坑工程手册[M]. 北京: 中国建筑工业出版社, 2009. (LIU Guo-bin, WANG Wei-dong. Excavation engineering handbook[M]. Beijing: China Architecture and Building Press, 2009. (in Chinese))
    [2]
    刘益平. 大直径双环梁基坑支护体系设计与优化[J]. 岩土工程学报, 2010, 32(增刊1): 219-222. (LIU Yi-ping. Design and optimization of double large-diameter arched beam support system in foundation pit[J]. Chinese Journal of Geotechnical Engineering, 2010, 32(S1): 219-222. (in Chinese))
    [3]
    尹 骥, 管 飞, 李象范. 直径210 m超大圆环支撑基坑设计分析[J]. 岩土工程学报, 2006, 28(增刊): 1596-1599. (YIN Ji, GUAN Fei, LI Xiang-fan. Design and analysis of a 210 m-diameter circular strutted foundation pit[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(S0): 1596-1599. (in Chinese))
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