Research on settlement calculation method of composite foundation of discrete material piles

SUN Lin-na; GONG Xiao-nan

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Research on settlement calculation method of composite foundation of discrete material piles

更新时间：2026-06-25

- Research on settlement calculation method of composite foundation of discrete material piles
- Vol. 29, Issue 3, (2008)
- 作者机构：
  
  1. 青岛理工大学土木学院,青岛,266033
  2. 浙江大学岩土工程研究所,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472.32
- Online First：19 July 2013，
  
  Published：2008
- 稿件说明：
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SUN Lin-na, GONG Xiao-nan. Research on settlement calculation method of composite foundation of discrete material piles[J]. 2008, 29(3).
DOI：

SUN Lin-na, GONG Xiao-nan. Research on settlement calculation method of composite foundation of discrete material piles[J]. 2008, 29(3). DOI：

摘要

对散体材料桩复合地基桩与桩间土的相互作用进行研究，试验表明：散体材料桩在一定深度内发生鼓胀破坏，因此，将复合地基分为鼓胀段、非鼓胀段和下卧层3段进行沉降计算。假定桩-土协调变形，利用弹性力学空间问题理论推导出散体材料桩复合地基的沉降计算公式，为按沉降控制的复合地基优化设计提供计算依据。算例分析表明，所提方法的计算结果与实测值基本吻合。

Abstract

The interaction between pile and soil of discrete material piles composite foundation is studied. Experimental investigation indicates that the pile is damaged under some depth to the top. So the composite foundation is divided into 3 different sections: expanding

un-expanding and substratum. According to deformation compatibility condition

a new method to calculate the settlement of the composite foundation is deduced by elastic mechanics. An example is given; and the calculation result is consistent well with the on-the-spot monitoring result.

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