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180同心圆双环形内支撑在复杂环境下大型深基坑支护中的应用研究

吴西臣, 徐杨青

吴西臣, 徐杨青. 180同心圆双环形内支撑在复杂环境下大型深基坑支护中的应用研究[J]. 岩土工程学报, 2014, 36(zk1): 72-76. DOI: 10.11779/CJGE2014S1012
引用本文: 吴西臣, 徐杨青. 180同心圆双环形内支撑在复杂环境下大型深基坑支护中的应用研究[J]. 岩土工程学报, 2014, 36(zk1): 72-76. DOI: 10.11779/CJGE2014S1012
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

180同心圆双环形内支撑在复杂环境下大型深基坑支护中的应用研究  English Version

详细信息
    作者简介:

    吴西臣(1980-),男,硕士,主要从事工程地质、岩土工程设计与研究工作。E-mail:wuxichen1031@163.com。

Application of concentric circular strut system in large deep excavations under complex environment

  • 摘要: 以侵入武汉长江隧道安全保护控制线的某大型深基坑支护工程为例,开展单圆环形支撑与同心圆环形内支撑结构的内力、位移等技术指标对比分析,结果表明,同心圆环形内支撑结构能有效共同承担支撑轴力,具有结构受力合理、整体稳定性高、支撑刚度大,桩顶位移小等优点,有效地控制基坑开挖对武汉长江隧道及周边建(构)筑物的影响,取得了很大经济效益和社会效益。
    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.
  • [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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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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