An approach for estimating deformation modulus of subsoil based on porous medium theory

LIANG Fa-yun

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An approach for estimating deformation modulus of subsoil based on porous medium theory

更新时间：2026-06-25

- An approach for estimating deformation modulus of subsoil based on porous medium theory
- Vol. 25, Issue 7期　刊出日, (2004)
- 作者机构：
  
  1. 上海交通大学建工学院安全与防灾研究所,上海,200030
  2. 同济大学地下建筑与工程系，上海 2000092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU433
- Online First：18 July 2014，
  
  Published：2004
- 稿件说明：
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LIANG Fa-yun. An approach for estimating deformation modulus of subsoil based on porous medium theory[J]. 2004, 25(7期　刊出日).
DOI：

LIANG Fa-yun. An approach for estimating deformation modulus of subsoil based on porous medium theory[J]. 2004, 25(7期　刊出日). DOI：

摘要

土的变形模量是基础沉降弹性分析理论所必需的基本参数，而目前我国的岩土工程勘察报告一般并不提供土的变形模量。通过对前人研究结果的总结分析，基于多孔介质理论，并考虑土的泊松比、孔隙比及土体扰动等影响因素，笔者提出了一种根据土的压缩模量估算变形模量的方法，对于应用弹性理论计算基础沉降和充分利用已有研究资料都具有实际的意义。

Abstract

Deformation modulus of subsoil is an indispensable parameter for calculating settlement of foundation based on elastic theory; whereas the deformation modulus of subsoil is usually not provided in geotechnical investigation reports in China. Previous published researches are analyzed in this paper. An approximate method that considers the influencing factors including Poisson ratio

porosity ratio and remolding of soil

is developed based on porous medium theory. It estimates the deformation modulus of subsoil through compression modulus. It has practical significance in both calculating settlement of foundation with elastic theory and making full use of the existing research data.

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