Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications

LIANG Fa-yun; CHEN Long-zhu

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Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications

更新时间：2026-06-25

- Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications
- Vol. 25, Issue 2, (2004)
- 作者机构：
  
  上海交通大学建工学院安全与防灾工程研究所,上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：15 July 2014，
  
  Published：2004
- 稿件说明：
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LIANG Fa-yun, CHEN Long-zhu. Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications[J]. 2004, 25(2).
DOI：

LIANG Fa-yun, CHEN Long-zhu. Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications[J]. 2004, 25(2). DOI：

摘要

依据常规试验成果，对岩土材料的剪胀、剪缩和应变软化特性进行简化后，利用弹塑性理论和体积平衡原理，推导出应变软化Tresca材料中扩孔问题的一般解答，并分析了不排水饱和土扩孔问题的规律性，对解决诸如沉桩挤土效应等工程问题具有一定的应用价值。

Abstract

Based on conventional experiment results

a simplified constitutive model is given to simulate the strain-softening and shear dilating characters of soils. By using elastoplastic theory and volume-balance equation

an analytical solution to cavity expansion of saturated clays is established with Tresca yield criterion. The regularities of cavity expansion in saturated clays are analyzed under undrained condition. The results have practical significances for analyzing engineering problems such as static piling in clays.

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