NON-LINEAR FEM ANALYSIS OF INTERACTION AMONG PILE-SUPPORT, PILES AND SOIL OF A CABLE-STAYED BRIDGE

Xu Qiang; Wu Shengxing

doi:10.13204/j.gyjz200505004

Volume 35 Issue 5

Dec. 2014

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Xu Qiang, Wu Shengxing. NON-LINEAR FEM ANALYSIS OF INTERACTION AMONG PILE-SUPPORT, PILES AND SOIL OF A CABLE-STAYED BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(5): 16-19. doi: 10.13204/j.gyjz200505004

Citation:

Xu Qiang, Wu Shengxing. NON-LINEAR FEM ANALYSIS OF INTERACTION AMONG PILE-SUPPORT, PILES AND SOIL OF A CABLE-STAYED BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(5): 16-19. doi: 10.13204/j.gyjz200505004

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NON-LINEAR FEM ANALYSIS OF INTERACTION AMONG PILE-SUPPORT, PILES AND SOIL OF A CABLE-STAYED BRIDGE

doi: 10.13204/j.gyjz200505004

1.
Department of Civil Engineering,Hohai University Nanjing 210098

Received Date: 2004-12-18
Publish Date: 2005-05-20

Abstract

Abstract

Considering the interaction among pile-support,piles and soil and the elastoplastic property of soil,pile-support system is researched by three-dimensional non-linear finite element method.The change of soil non-uniform settlement with increase of load,pile counterforce development and stress distributing in the pile-support and link beam are researched.The working behavior of pile-support system is defined.The secondary stress for the non-uniform settlement is further studied and the effect of the non-uniform settlement is got.It is pointed out the rational piles and the decreases of asymmetric settlement are the effective methods to reduce the secondary stress and the steel ratio of platform and avoid inconvenience of construction。
- interaction FEM non-uniform settlement secondary stress,

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References(5)

References

宰金珉,宰金璋.高层建筑基础分析与设计--土与结构物共同作用理论及应用.北京:中国建筑工业出版社,1993;

[2] 董建国,赵锡宏.高层建筑地基基础--共同作用理论与实践.上海:同济大学出版社,1997;

[3] 周定松,吕西林,王莺歌.筒体-桩筏-地基土共同作用非线性数值分析.同济大学学报,2003,31(9):1 019～1 023;

[4] 钱家欢,殷宗泽.土工原理与计算.北京:中国水利水电出版社,1995;

[5] 宰金珉.复合桩基的优化设计与差异沉降控制.见:江苏省2002年地基基础联合学术年会论文选集.南京:2002

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