Modified layer-summation based on elastopastic theory

HE Si-ming

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Modified layer-summation based on elastopastic theory

更新时间：2026-06-25

- Modified layer-summation based on elastopastic theory
- Vol. 24, Issue 1, (2003)
- 作者机构：
  
  1. 西南交通大学土木工程学院,四川,成都,610031
  2. 中国科学院成都山地灾害与环境研究所,四川,成都,610041
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.1+4
- Online First：27 August 2014，
  
  Published：2003
- 稿件说明：
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HE Si-ming. Modified layer-summation based on elastopastic theory[J]. 2003, 24(1).
DOI：

HE Si-ming. Modified layer-summation based on elastopastic theory[J]. 2003, 24(1). DOI：

摘要

建议了土体的非线性弹性-塑性本构方程，其中弹性矩阵采用Duncen-Chang本构模型，塑性部分则采用修正剑桥模型；提出了基于弹塑性理论的修正分层总和法新理论；该理论既有常规分层总和法简单，便于理解运用的优点，又能考虑土体的弹性非线性以及塑性变形特性，同时还能考虑土体三向应力对其变形的影响。为基础变形计算提供了一种较为理想的算法。

Abstract

A nonlinear elastoplastic constitutive model is proposed

the elastic matrix can be calculated according to Duncen-Chang model and the plastic parts can be determined with the modified Cam-model. A new theory of modified layer-summation based on elastoplastic principle is presented; the theory has the advantage of layer-summation and can consider the character of nonlinearity and plasticity of soil

The effect of 3-D stress on deformation can be determined also. The new theory will provide a more perfect method to predict the settlement of foundation.

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