电力勘测设计Issue(z1)：220-225,245,7.
细粒硫酸盐渍土抗剪强度特性试验研究
Research on Resistance Shear Strength Characteristics of Sulphate Salty Fine Grain Soil
张飞 1任治军1
作者信息
- 1. 江苏省电力设计院，江苏 南京 430074
- 折叠
摘要
Abstract
Many factors affect the natural sulphate saline soil strength, hard to explore the laws, in order to determine the effect of salt content on the shear strength of sulphate saline soil, through the direct shear test of soil salt content of saline sulfate with different shear strength characteristics, research shows that:under the shear stress, shear relation curves between stress shear displacement with strain hardening (hardening (softening) and strain softening processing) two forms, depending on the salt content, water content, normal stress and other factors. The shear strength envelope approximation for the broken line, and the traditional structured clay envelope shape, that of sulphate salty soil under shear stress condition still belongs to structural soil. The soluble salt content on shear strength greatly, the trend of the change is:with the increase of salt content, the same normal stress under the action of the sulphate saline soil shear strength characteristics of different degree decreases ifrst and then increases and then decreases.关键词
硫酸盐渍土/直剪应力状态/含盐量/抗剪强度包线/抗剪强度Key words
sulfate saline soil/direct shear stress state/salt content/shear strength envelope/shear strength分类
建筑与水利引用本文复制引用
张飞,任治军..细粒硫酸盐渍土抗剪强度特性试验研究[J].电力勘测设计,2015,(z1):220-225,245,7.
