A planar simplified method for three-dimension cement-soil mixing piles composite foundation with FEM numerical analysis

DENG Yong-feng; HONG Zhun-shun; LIU Song-yu; HU Yin-bao; ZHOU Yun-jun

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A planar simplified method for three-dimension cement-soil mixing piles composite foundation with FEM numerical analysis

更新时间：2026-06-25

- A planar simplified method for three-dimension cement-soil mixing piles composite foundation with FEM numerical analysis
- Vol. 26, Issue S1期　刊出日, (2005)
- 作者机构：
  
  1. 东南大学岩土工程研究所,南京,210096
  2. 连云港高速公路建设指挥部,江苏,连云港,222200
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：15 December 2005，
  
  Published：2005
- 稿件说明：
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DENG Yong-feng, HONG Zhun-shun, LIU Song-yu, et al. A planar simplified method for three-dimension cement-soil mixing piles composite foundation with FEM numerical analysis[J]. 2005, 26(S1期　刊出日).
DOI：

DENG Yong-feng, HONG Zhun-shun, LIU Song-yu, et al. A planar simplified method for three-dimension cement-soil mixing piles composite foundation with FEM numerical analysis[J]. 2005, 26(S1期　刊出日). DOI：

摘要

水泥土搅拌桩(DMM)在高速公路工程中得到广泛应用，人们也希望能对该复合地基在路堤荷载下的地基的变形深入了解，其数值分析是一种重要的方法。但是，采用三维有限元进行数值模拟在高速公路工程中容易造成数组过大，计算时间并且收敛性比较差，因此把三维问题简化为二维问题是众望所归。在把三维问题简化二维平面问题简化计算时，最重要的是参数的折减。基于水泥土搅拌桩复合地基的特性，结合理论分析提出了一种参数折减的方法。并依据连盐高速公路实测的数据验证了该参数简化方法的可行性。

Abstract

The cement-soil mixing piles are widely used in expressway engineerings

so it is urgent that the behavior of cement-soil mixing piles composite foundation is deeply comprehended. And the FEM numerical analysis is an important method. The three-dimension FEM easily leads to the big scale matrix

long calculation time and bad convergence; so the planar simplified method is necessary. During simplification

the transformation of parameters is the key problem. The paper brings forward a parameter transformation method by characteristics of the composite foundation and theoretical analysis. Finally

the method is validated by the observed data of Lian-Yan Expressway.

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Related Author

DENG Yong-feng1

HONG Zhun-shun1

LIU Song-yu1

HU Yin-bao2

ZHOU Yun-jun2

CHEN Jian-feng

TONG Zhen-mei

LIU Jun-xiu

Related Institution

连云港高速公路建设指挥部

Department of Geotechnical Engineering, Tongji University

Wuhan Guangyi Engineering Consultation Co., Ltd.

School of Civil Engineering, Central South University

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