Finite element analysis of deformation characteristics of composite foundation with rigid-flexible piles

ZHU Kui; XU Ri-qing; GUO Yin; Zhou Peng-fei

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Finite element analysis of deformation characteristics of composite foundation with rigid-flexible piles

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- Finite element analysis of deformation characteristics of composite foundation with rigid-flexible piles
- Vol. 29, Issue 4, (2008)
- 作者机构：
  
  1. 浙江大学,杭州,310027
  2. 温州大学,浙江,温州,325000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470+.3
- Online First：10 July 2013，
  
  Published：2008
- 稿件说明：
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ZHU Kui, XU Ri-qing, GUO Yin, et al. Finite element analysis of deformation characteristics of composite foundation with rigid-flexible piles[J]. 2008, 29(4).
DOI：

ZHU Kui, XU Ri-qing, GUO Yin, et al. Finite element analysis of deformation characteristics of composite foundation with rigid-flexible piles[J]. 2008, 29(4). DOI：

摘要

在现场试验基础上对条形基础下刚-柔性桩复合地基进行有限元模拟分析。着重讨论了褥垫层、承台、刚性桩、柔性桩等的参数变化对刚-柔性桩复合地基沉降特性的影响。结果表明，复合地基沉降随着褥垫层厚度减小而减小，随着褥垫层模量增加而减小，承台厚度增加有利于减少差异沉降，刚性桩是控制沉降的主要构件，柔性桩桩长增加可以减少差异沉降。分析结果为刚-柔性桩复合地基的优化设计提供理论基础。

Abstract

Composite foundation with rigid-flexible piles under strip foundation is analyzed by means of finite element method on the basis of field test．The influential factors including cushion

cap

rigid pile and flexible pile on deformation characteristics of composite foundation with rigid-flexible piles are studied systematically. The results indicate composite foundation settlement reduction along with cushion thickness reduction and module increment

cap thickness increment is advantageous to differential settlement reduction

rigid pile is main component to control settlement; flexible pile increment can reduce differential settlement. These conclusions are helpful for optimum design.

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Related Institution

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