Study on elastoplastic model of unsaturated soil

WANG Zhi-ling; ZHANG Yin-jie; PENG Jie

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Study on elastoplastic model of unsaturated soil

更新时间：2026-06-25

- Study on elastoplastic model of unsaturated soil
- Vol. 23, Issue 5, (2002)
- 作者机构：
  
  1. 河海大学岩土所,江苏,南京,210098
  2. 郑州大学土木工程学院,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU41
- Online First：04 September 2016，
  
  Published：2002
- 稿件说明：
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WANG Zhi-ling, ZHANG Yin-jie, PENG Jie. Study on elastoplastic model of unsaturated soil[J]. 2002, 23(5).
DOI：

WANG Zhi-ling, ZHANG Yin-jie, PENG Jie. Study on elastoplastic model of unsaturated soil[J]. 2002, 23(5). DOI：

摘要

从孔隙水的存在状态出发，探讨了非饱和土的有效应力原理。利用非饱和土的有效应力原理，将饱和土的弹塑性模型推广到了非饱和土中，建立了能反映非饱和土渐近性破坏、湿陷湿胀等特性的剑桥修正模型。该模型中新引入的试验参数较少，确定时只需要水分特征曲线，其它可以利用饱和土的成果，能在工程实际中采用。

Abstract

Based on the existent status of pore water pressure

by using the effective stress principle of unsaturated soil

the extension of elasticplastsion of elastoplastio model of saturated soil to unsaturated soil is carried out;a modified Cam model which can account for unsaturated soil's gradually collapsibility is established.The model has few parameters and cam get them from water characteristic curve and saturated soil's test; it is applicable in practice.

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Related Institution

Department of Civil Engineering, Tianjin Institute of Urban Construction

Tianjin Key Laboratory of Soft Soil Characteristics and Engineering Environment

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State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

Wuhan Municipal Engineering Design Institute

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