| 堆载作用下考虑界面接触行为的桩-土相互作用分析 |
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| 引用本文： | 蒯行成,刘敦平,赵明华.堆载作用下考虑界面接触行为的桩-土相互作用分析[J].湖南农业大学学报(自然科学版),2006,33(6). |
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| 作者姓名： | 蒯行成 刘敦平 赵明华 |
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| 作者单位： | 湖南大学力学与航空航天学院 湖南长沙410082(蒯行成)，湖南大学土木工程学院 湖南长沙410082(刘敦平，赵明华) |
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| 基金项目： | 国家自然科学基金资助项目(50378036) |
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| 摘 要： | 采用三维有限元模型,对在堆载作用下软土与桩的相互作用进行分析,分析中考虑土的非线性和大应变,并在桩土间设置接触单元.重点研究桩土交界面上的接触应力以及土参数对土侧压力的影响.所得到的桩土交界面上的应力分布可以很好地解释离心实验结果,参数研究有助于更深刻地理解软土与桩的相互作用机理.
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| 关 键 词： | 有限单元法 被动桩 土-桩相互作用 接触问题 |
Analysis of Pile-Soil Interaction under a Surcharge Load Considering the Contact Behavior of Interface |
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| KUAI Xing-cheng,LIU Dun-ping,ZHAO Ming-hua.Analysis of Pile-Soil Interaction under a Surcharge Load Considering the Contact Behavior of Interface[J].Journal of Hunan Agricultural University,2006,33(6). |
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| Authors: | KUAI Xing-cheng LIU Dun-ping ZHAO Ming-hua |
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| Institution: | 1. College of Mechanics and Aerospaee, Hunan Univ, Changsha, Hunan 410082, China; 2 College of Civil Engineering, Hunan Univ, Changsha, Hunan 410082,China |
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| Abstract: | The pile-soft soil interaction behavior under a surcharge load was investigated by means of three dimensional finite element analysis.The non-linear constitutive model and large strain were used to describe the soil,and the contact elements were defined t |
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| Keywords: | finite element method passive pile soil-pile interaction contact problem |
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