| 路堤荷载下水泥土桩复合地基变形规律分析 |
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| 引用本文： | 李永刚,赵春风,钱涛.路堤荷载下水泥土桩复合地基变形规律分析[J].路基工程,2012,0(4):192-195. |
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| 作者姓名： | 李永刚 赵春风 钱涛 |
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| 作者单位： | 1.1同济大学岩土及地下工程教育部重点实验室，上海 200092 |
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| 摘 要： | 利用有限元数值计算法，系统分析了填土高度、填土压缩模量、桩长以及桩体压缩模量对水泥土桩复合地基变形的影响。结果表明:填土高度和桩长对地表沉降、地基土侧向变形影响较大，是影响复合地基变形的主要因素；而填土压缩模量和桩体压缩模量的影响较小，是影响地基变形的次要因素。
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| 关 键 词： | 路堤荷载 复合地基 水泥土桩 地表沉降 侧向变形 有限元法 |
| 收稿时间： | 2019-03-10 |
Analysis on Deformation Law of Cement-soil Pile Composite Foundation under Embankment Load |
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| Authors: | LI Yong-gang ZHAO Chun-feng QIAN Tao |
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| Institution: | 1. The Key Laboratory of Geotechnical and Underground (Tongji University), Ministry of Education, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China) |
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| Abstract: | With FEM calculation, the systemmatic analyses are made on the effects of height and compression modulus of fill as well as length and compression modulus of pile on cement-soil pile composite foundation. The results show that the height of fill and the length of pile affecting ground settlement and lateral deformation of foundation soil to a greater extent are the primary causes resulting in deformation of the composite foundation; while the compression modulus of fill and pile body having less effects are the secondary causes. |
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| Keywords: | embankment load composite foundation cement-soil pile ground settlement lateraldeformation FEM |
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