| 不同桩型情况下的桩基差异沉降三维有限元分析 |
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| 作者姓名： | 黄斌 熊巨华 |
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| 作者单位： | 同济大学地下建筑与工程系,上海,200092 |
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| 摘 要： | 近年来，以控制差异沉降为目标的桩基础变刚度调平方法在我国岩土工程界正受到越来越多的重视和应用。该文用三维有限元方法研究在同一基础下采用不同桩型情况时各桩沉降和刚度的关系，探讨通过改变桩型来调整刚度，最后控制差异沉降的方法，并通过一个工程实例阐述运用不同桩型进行设计的概念和方法，达到减小差异沉降。
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| 关 键 词： | 桩基 差异沉降 三维有限元 变刚度 岩土工程 |
Three - Dimensional Finite Element Analysis of Differential Settlement of Foundation Supported by Different Type Piles |
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| Authors: | Huang Bin Xiong Juhua |
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| Abstract: | Recently more and more attentions were given to the varable rigidity design method for controlling differential settlement. In this paper the three - dimensional (3 - D) finite element method was used to discuss the relation bteween settlement and rigidity of foundation supported by different type piles. A design method was presented to control differential settlement by changing types of piles and layout of piles. A case study showed that this method can be used to reduce the differential settlement and prevent second stress. |
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| Keywords: | different type pile vaiable rigidity differential settlement three - dimensional finite dlement method (3-D FEM) |
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