NUMERICAL ANALYSIS OF CONSOLIDATION BEHAVIOR OF COMPOSITE GROUNDWITH UNDRAINED PILES UNDER EMBANKMENT

Yang Tao; Li Guo-wei

doi:10.13204/j.gyjz200711016

Volume 37 Issue 11

Dec. 2014

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Yang Tao, Li Guo-wei. NUMERICAL ANALYSIS OF CONSOLIDATION BEHAVIOR OF COMPOSITE GROUNDWITH UNDRAINED PILES UNDER EMBANKMENT[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(11): 61-63,93. doi: 10.13204/j.gyjz200711016

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Yang Tao, Li Guo-wei. NUMERICAL ANALYSIS OF CONSOLIDATION BEHAVIOR OF COMPOSITE GROUNDWITH UNDRAINED PILES UNDER EMBANKMENT[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(11): 61-63,93. doi: 10.13204/j.gyjz200711016

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NUMERICAL ANALYSIS OF CONSOLIDATION BEHAVIOR OF COMPOSITE GROUNDWITH UNDRAINED PILES UNDER EMBANKMENT

doi: 10.13204/j.gyjz200711016

Yang Tao¹,
Li Guo-wei²

1.
1. Department of Civil Engineering,University of Shanghai for Science and Technology Shanghai 200093;
2.
2. Geotechnical Engineering Institute,Hohai University Nanjing 210098

Received Date: 2007-02-18
Publish Date: 2007-11-20

Abstract

Abstract

Numerical simulation analysis of consolidation of composite ground with undrained piles under embankment is performed with finite element method.Consolidation characteristics of this kind of composite ground are studied systematically, through comparison of consolidation rates of natural ground, composite ground with floating piles and composite ground with penetrated piles.The numerical results indicate that consolidation rate of composite ground with penetrated piles is much faster than that of natural ground, replacement ratio and elastic modulus ratio between pile and soil are the most important factors affecting its consolidation rate.Consolidation characteristics of composite ground with floating piles differ greatly from that of composite ground with penetrated piles, ratio between pile length and thickness of soft soil layer has important effect on its consolidation rate.
- undrained pile,
- composite ground,
- consolidation,
- FEM

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References(6)

References

王瑞春, 谢康和.考虑应力集中效应的散体材料桩复合地基固结解析解.科技通报, 2001, 17( 5): 26-31

王瑞春, 谢康和.双层散体材料桩复合地基固结解析解.岩土工程学报, 2001, 23( 4): 418-422

王瑞春, 谢康和, 关山海.变化荷载下散体材料桩复合地基固结解析解.浙江大学学报, 2002, 36( 1): 12-16

王瑞春, 谢康和, 谢小武.未打穿散体材料桩复合地基固结解析解.公路交通科技, 2004, 21( 6): 12-16

徐洋, 谢康和.单桩复合地基固结性状有限元分析.浙江大学学报, 2004, 38(2): 200-203

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