| 饱和软粘土中沉桩引起的超孔压数值模拟分析 |
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| 引用本文： | 邓迎芳,莫海鸿,陈俊生,姚孟洋. 饱和软粘土中沉桩引起的超孔压数值模拟分析[J]. 广州建筑, 2011, 39(5): 27-30 |
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| 作者姓名： | 邓迎芳 莫海鸿 陈俊生 姚孟洋 |
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| 作者单位： | 1. 广州市恒盛建设工程有限公司,广州,510030
2. 华南理工大学,广州,510000 |
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| 摘 要： | 运用ABAQUS有限元软件详细模拟了预应力管桩沉桩过程引起的超孔隙水压力分布及消散规律，讨论了其随时间变化过程、有效应力增加随超孔压消散变化规律，并与Vesic理论解进行了对比分析，研究了预应力管桩沉桩过程中桩周土体超静孔压的变化规律。可为同类工程的设计和施工提供参考。
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| 关 键 词： | 沉桩 超孔隙水压力 数值模拟 |
Numerical Simulation of the Excess Pore Water Pressure Caused by Sinking Pile in Saturated Soft Clay |
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| DENG Ying-fang,MO Hai-hong,CHEN Jun-sheng,YAO Meng-yang. Numerical Simulation of the Excess Pore Water Pressure Caused by Sinking Pile in Saturated Soft Clay[J]. , 2011, 39(5): 27-30 |
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| Authors: | DENG Ying-fang MO Hai-hong CHEN Jun-sheng YAO Meng-yang |
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| Affiliation: | 1.Guangzhou Hengsheng Construction Co., Ltd., Guangzhou 510030) (2.South China University of Technology, Guangzhou 510000) |
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| Abstract: | The principal view of this article is to discuss the excess pore water pressure distribution over tine, the effective stress increases with the dissipation of excess pore pressure variation. This paper demonstrates the comparison between the pore pressure variation and Vesic cylindrical expansion theory by using ABAQUS finite element software to simulate the discipline of excess pore water pressure distribution and dissipation of the pile driving process. The changing rules of excess pore water pressure were studied, which would provide an important basis for the design and construction of the similar projects. |
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| Keywords: | pinking pile excess pore water pressure numerical simulation |
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