Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay

XU Shu-ping; LIU Zu-de; FAN Hong; LIU Jian-jun

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Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay

更新时间：2026-06-25

- Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay
- Vol. 28, Issue 7, (2007)
- 作者机构：
  
  1. 武汉工业学院土木工程系,武汉,430023
  2. 武汉大学土木建筑工程学院,武汉,430072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU43
- Online First：13 September 2013，
  
  Published：2007
- 稿件说明：
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XU Shu-ping, LIU Zu-de, FAN Hong, et al. Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay[J]. 2007, 28(7).
DOI：

XU Shu-ping, LIU Zu-de, FAN Hong, et al. Elastoplastic solution of cylindrical expansion considering disturbed saturated soft clay[J]. 2007, 28(7). DOI：

摘要

根据原位十字板试验扰动导致饱和软黏土不排水强度降低的事实，应用圆柱形孔扩张理论，假设饱和软黏土在塑性阶段满足Tresca屈服条件，提出了一种基于饱和软黏土灵敏度的扰动度D且是塑性区半径的对数函数。考虑在塑性区内不排水强度su是扰动度D的函数，得到了考虑扰动的圆柱形孔扩张的弹塑性解答。

Abstract

According to the fact of the undrained shear strength decreasing during field vane test

applying the cylindrical expansion theory

it is assumed that saturated soft clay satisfies Tresca yield criterion

and then the disturbance degree function is given on the basis of the sensibility of saturated soft clay

and the function D is logarithm function of the plastic radius. Considering the undrained shear strength su is the function of the disturbance degree

the elastoplastic solution of the cylindrical expansion is gained.

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Related Institution

Xintai Geotechnical Technology Co., Ltd., Yixing

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Key Laboratory of Geotechnical and Underground Engineering Laboratory of Ministry of Education, Tongji University

Key Laboratory of Soft Soils and Geoenvironmental Engineering of Ministry of Education, Zhejiang University

Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University

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