Analysis of soil influence of improvement on endogenous force of retaining structure for foundation pit

LUO Zhan-you; XIA Jian-zhong; WU Li-quan; LIU Wei

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Analysis of soil influence of improvement on endogenous force of retaining structure for foundation pit

更新时间：2026-06-25

- Analysis of soil influence of improvement on endogenous force of retaining structure for foundation pit
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  浙江科技学院岩土工程研究所,杭州,310023
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.2
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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LUO Zhan-you, XIA Jian-zhong, WU Li-quan, et al. Analysis of soil influence of improvement on endogenous force of retaining structure for foundation pit[J]. 2006, 27(S2).
DOI：

LUO Zhan-you, XIA Jian-zhong, WU Li-quan, et al. Analysis of soil influence of improvement on endogenous force of retaining structure for foundation pit[J]. 2006, 27(S2). DOI：

摘要

软土地区常采用坑内土体加固来达到控制围护结构内力的目的。以弹性地基梁法为基础建立了基坑的有限元模型，利用模型分析了坑内土体的加固深度及程度对围护结构内力的影响。结果表明，围护结构的内力随加固深度及程度的增大而减小，而且还存在着临界加固深度及程度。因此，合理地确定加固深度及程度既能保证基坑安全，又能够节省工程造价。

Abstract

Soil improvement is an effective method to decrease the endogenous force of soil and retaining structure. Based on elastic foundation beam theory

a finite element model of foundation pit was proposed. The effect of soil improvement on endogenous force of the retaining structure was studied. The results show that the endogenous force reduces with the increase of depth and degree of soil improvement. To save the engineering cost and guarantee the pit safety

it is important to reasonably decide the depth and degree of soil improvement.

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Related Institution

Institute of Geotechnical Engineering, Hunan University

Key Laboratory of Soft Soils and Geoenvironmental Engineering of Education Ministry, Zhejiang University

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Wenzhou Municipal Engineering Quality Supervision Station

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