刚柔性长短桩复合地基垫层特性分析

孙鲁原; 白晓红

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刚柔性长短桩复合地基垫层特性分析

更新时间：2026-09-14

- 刚柔性长短桩复合地基垫层特性分析
- 刚柔性长短桩复合地基垫层特性分析
- Issue 5, (2010)
- 作者机构：
  
  1. 太原理工大学理学院
  2. 太原理工大学建工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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孙鲁原, 白晓红. 刚柔性长短桩复合地基垫层特性分析[J]. 2010, (5).
DOI：

孙鲁原, 白晓红. 刚柔性长短桩复合地基垫层特性分析[J]. 2010, (5). DOI：

摘要

对刚柔性长短桩复合地基中垫层特性对整个地基的影响进行了研究.采用Drucker-Prager屈服准则

用ANSYS有限元软件

对刚柔性长短桩复合地基进行了三维非线性有限元分析.以9个刚性长桩

16个柔性短桩的刚柔性长短桩复合地基为例

分析了垫层厚度和垫层模量变化对刚柔性长短桩复合地基沉降的影响

以及对长桩、短桩轴向应力的影响.随着垫层厚度的增加

复合地基沉降不断增加

垫层厚度与复合地基沉降呈现非线性关系.

Abstract

The influences of character of cushion on the entire foundation in the rigid-soft-pile composite foundation were investigated.Three dimensional nonlinear finite element analysis on the rigid-soft-pile composite foundation was finished by using the Drucker-Prager yield criterion and ANSYS procedure.The effects of thickness and modulus of cushion on the rigid-soft-pile composite foundation settlement and the axial stress of long-short pile were analyzed through nine rigid long piles and sixteen soft short piles.The results were given as follows.The composite foundation settlement increases with the thickness increasing of cushion.The nonlinear relation between the thickness of cushion and composite foundation settlement is given.These conclusions have reference value for engineering.

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