Influence of foundation rigidity on behavior of composite ground improved by rigid piles

YU Jian-lin; ZHU Pu-bian; LIU Hong-yan; GONG Xiao-nan

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Influence of foundation rigidity on behavior of composite ground improved by rigid piles

更新时间：2026-06-25

- Influence of foundation rigidity on behavior of composite ground improved by rigid piles
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 浙江大学岩土工程研究所,杭州,310027
  2. 广宇集团股份有限公司,杭州,310006
  3. 杭州浙华建筑设计事务所,杭州,310012
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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YU Jian-lin, ZHU Pu-bian, LIU Hong-yan, et al. Influence of foundation rigidity on behavior of composite ground improved by rigid piles[J]. 2007, 28(S1).
DOI：

YU Jian-lin, ZHU Pu-bian, LIU Hong-yan, et al. Influence of foundation rigidity on behavior of composite ground improved by rigid piles[J]. 2007, 28(S1). DOI：

摘要

为了分析基础刚度对刚性桩复合地基性状的影响，采用数值方法，考虑基础弹性模量、基础厚度和宽度等因素，研究了基础刚度对复合地基桩土应力比、桩侧摩阻力以及桩端刺入量等性状的影响，提出了基础相对刚度系数Ke，并根据不同基础刚度下桩土应力比的变化趋势，将基础分为柔性、半柔性和刚性基础3类。通过工程实例分析，说明所提出的方法具有较好的适用性。

Abstract

To analyze the influence of foundation rigidity on the behavior of composite ground improved by rigid piles

FEM is used in this paper to study the influence of foundation rigidity on the stress ratio of pile to soil

friction resistance and the penetrating displacement of pile. And the parameter Ke which reflects the relative rigidity of foundation is proposed. Then by analyzing the development of stress ratio of pile to soil under different value Ke

the foundations are divided into three kinds----flexible foundation

half-flexible foundation and rigid foudation. Finally through a case study

applicability of the presented method is proved.

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