| CFG桩复合地基沉降影响因素分析 |
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| 引用本文： | 万林海,郭平业,金海元.CFG桩复合地基沉降影响因素分析[J].工程地质学报(英文版),2006,14(4):547-552. |
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| 作者姓名： | 万林海 郭平业 金海元 |
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| 作者单位： | 1.华北水利水电学院岩土工程系,郑州450008; |
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| 摘 要： | 影响CFG桩(Cem ent F lyash G ravel P ile)复合地基的沉降变形因素较多。本文应用有限差分(FLAC3D)程序,对褥垫层、荷载、桩长、桩土模量比,置换率、桩周土和桩端土模量比以及桩群等影响沉降的因素进行了系统的分析,分析了这些因素与沉降的内在联系,得到减小复合地基沉降的方法和措施,对实际工程优化设计有一定的借鉴作用。
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| 关 键 词： | CFG桩复合地基 有限差分(FLAC-3D) 沉降 变形 |
| 文章编号： | 1004-9665/2006/14(04)-0547-06 |
| 收稿时间： | 2005-05-11 |
| 修稿时间： | 2006-03-20 |
FINITE DIFFERENCE ANALYSIS OF RELATIONS BETWEEN DESIGN PARAMETERS AND SETTLEMENT OF CFG PILE COMPOSITE FOUNDATION |
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| WAN Linhai,GUO Pingye,JIN Haiyuan.FINITE DIFFERENCE ANALYSIS OF RELATIONS BETWEEN DESIGN PARAMETERS AND SETTLEMENT OF CFG PILE COMPOSITE FOUNDATION[J].Journal of Engineering Geology,2006,14(4):547-552. |
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| Authors: | WAN Linhai GUO Pingye JIN Haiyuan |
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| Institution: | 1.North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450008;2.Civil and Environmental Engineering School,University of Science and Technology Beijing,Beijing 100083 |
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| Abstract: | There are many factors affecting settlement and deformation of CFG pile composite foundation.In this paper,with the use of the finite difference analysis package FLAC-3D,these factors are analyzed systematically,including the cushioning layer,load,length of pile,modulus ratio of pile and soil,replacement ratio,modulus ratio of the soil around the pile and the soil under the pile tip,pile group and so on.The relationship between settlement and those factors are discussed,and the methods or measurements of reducing settlement are suggested.It is a useful reference for the practical engineering optimization design. |
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| Keywords: | CFG pile composite foundation Finite difference(FLAC-3D) Design Settlement |
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