Characteristics of horizontal bearing capacity of rigid pile composite foundation

TU Yu-min; YU Ya-nan

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Characteristics of horizontal bearing capacity of rigid pile composite foundation

更新时间：2026-06-25

- Characteristics of horizontal bearing capacity of rigid pile composite foundation
- Vol. 28, Issue 11, (2007)
- 作者机构：
  
  浙江大学土木工程学系,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU47
- Online First：18 October 2013，
  
  Published：2007
- 稿件说明：
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TU Yu-min, YU Ya-nan. Characteristics of horizontal bearing capacity of rigid pile composite foundation[J]. 2007, 28(11).
DOI：

TU Yu-min, YU Ya-nan. Characteristics of horizontal bearing capacity of rigid pile composite foundation[J]. 2007, 28(11). DOI：

摘要

利用三维非线性弹性有限元方法，研究了刚性桩复合地基在不同垂直荷载作用下的水平承载力特性，分析了不同褥垫层厚度及其地基土的性质对复合地基水平受力特性的影响，得出了水平荷载作用下桩身弯矩和挠度的分布规律。研究表明，垂直荷载的大小改变了复合地基水平荷载作用下的破坏模式，直接影响着其水平承载力；适当的垫层厚度可降低桩所分担的水平荷载，有利于桩身的安全。

Abstract

The three-dimensional nonlinear elastic finite element method has been developed to study the horizontal bearing capacity behavior of the rigid pile composite foundation subjected to different vertical loads. The influence of the different cushion layer thicknesses and ground property on the horizontal bearing capacity behavior of the rigid pile composite foundation is analyzed. The distribution law of bending moments and deflections along the pile subjected to horizontal load is also obtained. The study results show that vertical load changes the failure mode of the composite foundation under horizontal load

which influences the horizontal bearing capacity of composite foundation. With the cushion layer thickness at proper level

the horizontal load transferred to piles would be decreased and the pile would be safer.

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