Research on calculation of settlement of flexible piles composite foundation under rigid cushion cup

SUN Lin-na

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Research on calculation of settlement of flexible piles composite foundation under rigid cushion cup

更新时间：2026-06-25

- Research on calculation of settlement of flexible piles composite foundation under rigid cushion cup
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  青岛理工大学土木学院,青岛,266033
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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SUN Lin-na. Research on calculation of settlement of flexible piles composite foundation under rigid cushion cup[J]. 2008, 29(S1).
DOI：

SUN Lin-na. Research on calculation of settlement of flexible piles composite foundation under rigid cushion cup[J]. 2008, 29(S1). DOI：

摘要

试验研究和理论分析表明，柔性桩存在有效桩长。考虑刚性基础对桩顶部桩-土相对位移的限制，假定桩侧摩阻力为双折线三角形分布，根据桩-土协调变形，推导出复合地基中柔性桩的有效桩长，并在此基础上提出将柔性桩复合地基压缩层分为三层进行沉降计算。通过实例验证该方法是有效且可行的。

Abstract

Experimental study and theoretical analysis indicate that effective length of flexible piles exists. Considering the resistance of rigid foundation to the relative displacement between piles and soils

assuming the frictional resistance distributed as triangle form

and based on the pile-soil compatible deformation

the effective length of piles is deduced. And the settlement of flexible piles composite foundation is divided into three sections to be calculated. Comparing the method introduced in this paper with several other methods

it is proved that the method is effective and feasible.

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