Relation of Shear Strength Parameters with Saturation of Remolded Unsaturated Cohesive Soil

XIONG Cheng-ren; LIU Bao-chen; ZHANG Jia-sheng; LIU Duo-wen

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Relation of Shear Strength Parameters with Saturation of Remolded Unsaturated Cohesive Soil

- Relation of Shear Strength Parameters with Saturation of Remolded Unsaturated Cohesive Soil
- Bulletin of Soiland Water Conservation Vol. 22, Issue 6, Pages: 19-22(2003)
- 作者机构：
  
  1. 中南大学,湖南,长沙,410075
  2. 湖南科技大学,湖南,湘潭,411201
  3. 湖南省交通规划勘察设计院,湖南,长沙,410011
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2003
- 稿件说明：
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XIONG Cheng-ren, LIU Bao-chen, ZHANG Jia-sheng, et al. Relation of Shear Strength Parameters with Saturation of Remolded Unsaturated Cohesive Soil[J]. Bulletin of Soiland Water Conservation, 2003, 22(6): 19-22.
DOI：

XIONG Cheng-ren, LIU Bao-chen, ZHANG Jia-sheng, et al. Relation of Shear Strength Parameters with Saturation of Remolded Unsaturated Cohesive Soil[J]. Bulletin of Soiland Water Conservation, 2003, 22(6): 19-22. DOI：

摘要

土的饱和度是基于水分状态和密度状态的一个衍生变量。存在因应水分状态变化和因应密度状态变化的两类饱和度变化过程。根据23组不同水分状态和密度状态的UU三轴压缩试验结果

讨论了重塑非饱和黏性土抗剪强度参数与饱和度的关系。数据分析表明

黏聚力和与水分状态相关的饱和度的关系是强非线性的

和与密度状态相关的饱和度的关系是准线性的。内摩擦角和与水分状态相关的饱和度的关系是强非线性的

和与密度状态相关的饱和度的关系是弱非线性的。

Abstract

Saturation is derived from water content and dry density of soil.There are two patterns of varying process of saturation

one is related with variation of moisture state

other is related with density state.There are 23 groups UU triaxial compression tested with experimental specimens in six different moisture states and four density states were conducted according to five classes of surround pressure as 100

200

300

450 and 600 kPa.Experimental results show that shear strength parameters of remolded unsaturated cohesive soil vary regularly in certain extent with saturation

but not available to be presented by one or two simple functions.Cohesion has a strong nonlinear relation with moisture state related saturation and a quasi-linear relation with density state related saturation respectively.Internal friction angle has a strong nonlinear relation with moisture state related saturation and a weak nonlinear relation with density state related saturation respectively.

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