| 地下水位上升对浅基础地基承载力的影响 |
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| 引用本文： | 阳建新,李发菊,陈田华.地下水位上升对浅基础地基承载力的影响[J].工程建设与设计,2010(6):95-99. |
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| 作者姓名： | 阳建新 李发菊 陈田华 |
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| 作者单位： | 1. 华北有色工程勘察院有限公司,石家庄,050021
2. 四川省核工业地质调查院,成都,610000 |
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| 摘 要： | 从水对土的抗剪强度指标影响出发,结合地基土极限承载力理论以及按塑性开展区深度的临界承载力计算公式,分析地下水上升,土的有效重度减少必然降低地基的承载力。并根据不同的理论公式推导出考虑地下水位上升影响的界限深度Zmax。针对不同地基土层,提出地下水上升时地基承载力的计算公式,并在此基础上对于黏性土和砂土承载力影响程度进行分析比较。
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| 关 键 词： | 地下水位 浅基础 承载力理论 有效重度 界限深度 |
The Influence About Water Table Rise on Bering Capacity of Shallow Foundations |
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| YANG Jian-Xin,LI Fa-Ju,CHEN Tian-Hua.The Influence About Water Table Rise on Bering Capacity of Shallow Foundations[J].Construction & Design for Project,2010(6):95-99. |
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| Authors: | YANG Jian-Xin LI Fa-Ju CHEN Tian-Hua |
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| Affiliation: | 1.North China Engineering Investigation Institute Co., Ltd., Shij iazhuang 050021 ,China; 2. SiChuan Institute of Nuclear Geology, Chengdu 610000, China ) |
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| Abstract: | This article discussed about that the beating capacity of foundation soil is reduced by analyzing groundwater rising and effective unit weight of soil decreasing ,beginning with the influence of water on shcar strength of soil index combining theory of ultimate bearing capacity foundation soil and the plastic zone depth of the critical bearing capacity formula. According to different theoretical formula elicit limit depth Zmax rely on rising of groundwater level.For different layers of foundation propose calculation formula bearing capacity on foundation soil when ground water rising .Then,the influence on bearing capacity for the clay and sandy is anlysized and compared. |
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| Keywords: | groundwater level shallow foundation bearing capacity theory effective unit weight limit depth |
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