Application of undisturbed soil tangent modulus method for computing nonlinear settlement of soil foundation

YANG Guang-hua   WANG Jun-hui

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Application of undisturbed soil tangent modulus method for computing nonlinear settlement of soil foundation

更新时间：2026-06-25

- Application of undisturbed soil tangent modulus method for computing nonlinear settlement of soil foundation
- Vol. 32, Issue S1, (2011)
- 作者机构：
  
  1. 广东省水利水电科学研究院,广州,510610
  2. 华南理工大学土木系,广州,510640
  3. 台山核电合营有限公司，广东台山,529228
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU432
- Online First：16 May 2011，
  
  Published：2011
- 稿件说明：
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YANG Guang-hua WANG Jun-hui. Application of undisturbed soil tangent modulus method for computing nonlinear settlement of soil foundation[J]. 2011, 32(S1).
DOI：

YANG Guang-hua WANG Jun-hui. Application of undisturbed soil tangent modulus method for computing nonlinear settlement of soil foundation[J]. 2011, 32(S1). DOI：

摘要

根据原状地基的载荷试验曲线，对于试验曲线为任意形式的情况下，提出了直接应用实测压板试验的P-S曲线，依据应力水平确定原状土切线模量的一般方法，建立了应力水平与原状土切线模量的关系。用该切线模量对地基沉降进行分层总和法计算，反映了原状地基土的特点和土的非线性，可以用于较准确地进行地基的沉降计算，且可以计算地基的非线性沉降过程，同时可以克服原切线模量法中假设压板试验曲线为双曲线方程的限制，使原状土切线模量法能应用于更广的范围。通过实例说明了方法的可行性

Abstract

Based on the in-site plate loading curve

the undisturbed soil tangent modulus of soil can be computed based on its stress level; then the foundation settlement can be computed by using undisturbed soil tangent modulus in the layerwise summation method. This method takes the nonlinearity and original state of soil into consideration

and can be used to different kinds of loading curves and in the large scale. it can also overcome the shortcomings of the original tangent modulus method which supposes the loading curve to be a hyperbola. The validity of the method is also proved by the in-site loading test and engineering practic

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