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Volume 33 Issue zk1
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ZHAN Jin-lin, LIANG Yong-hui, SHUI Wei-hou. Application of large-diameter rigid pile-net composite foundation in tank base[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 122-124.
Citation: ZHAN Jin-lin, LIANG Yong-hui, SHUI Wei-hou. Application of large-diameter rigid pile-net composite foundation in tank base[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 122-124.
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Application of large-diameter rigid pile-net composite foundation in tank base

  • Shenyuan Geotechnical Co., Ltd., Shanghai Xiandai Architectural Design Group, Shanghai 200040, China

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  • Received Date: April 28, 2011
  • Published Date: November 30, 2011
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    • Abstract
  • The pile-net composite foundation with large diameter rigid piles is used in the tank for the first time. The design, simulation and optimization of the pile-net composite foundation are discussed. According to the calculation of the rigid pile-net composite foundation, it can substantially reduce the settlement and differential settlement of the tank base. On the basis of the preloading settlement monitoring, it is revealed that the results of three-dimensional finite element method are close to the actual test results. Soil pressure cells are installed on the top of the pile bearing stage and in soil between piles. According to the actual monitoring, the sharing ratio between piles and soil is calculated. Large-diameter rigid pile-net composite foundation, compared to the traditional pile-raft foundation, can save more than 60% of investment and more than 50% of time.
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    • References (5)
  • [1]
    连 峰 , 龚晓南 , 赵有明 , 等 . 桩–网复合地基加固机理现场试验研究 [J]. 中国铁道科学 , 2008, 29 (3): 7 – 12. (LIAN Feng, GONG Xiao-nan, ZHAO You-ming, et al. Field test study on the improvement mechanism of pile-net composite foundation[J]. China Railway Science , 2008, 29 (3): 7 – 12. (in Chinese))
    [2]
    芮 瑞 , 夏元友 . 桩–网复合地基与桩承式路堤的对比数值模拟 [J]. 岩土工程学报 , 2007, 29 (5): 769 – 772. (RUI Rui, XIA Yuan-you. Numerical simulation and comparison of pile-net composite foundation with pile-supported embankment[J]. Chinese Journal of Geotechnical Engineering , 2007, 29 (5): 769 – 772. (in Chinese))
    [3]
    胡小军 , 郑澄峰 . 桩网复合地基工作性状有限元法分析 [J]. 铁道勘察 , 2007, 3 : 23 – 26. (HU Xiao-jun, ZHENG Chen-feng. Finite element analysis on performance of pile-net composite foundation[J]. Railway Reconnaissance , 2007, 3 : 23 – 26. (in Chinese))
    [4]
    王俊林 , 肖昭然 , 刘志国 . 桩–网复合地基承载及变形特性的三维数值分析 [J]. 水运工程 , 2007(8): 112 – 116. (WANG Jun-lin, XIAO Zhao-ran, LIU Zhi-guo. Pile-net composite foundation under 3-D condition[J]. Port & Waterway Engineering , 2007(8): 112 – 116. (in Chinese)))
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    饶为国 . 桩–网复合地基沉降机理及设计方法研究 [D]. 北京 : 北京交通大学 , 2005. (RAO Wei-guo. Settlement mechanism and design method of pile-net composite foundation[D]. Beijing: Beijing Jiaotong University , 2005. (in Chinese))
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