会议论文详细信息
2nd International Symposium on Resource Exploration and Environmental Science
Experimental study on shear strength of clay under load
生态环境科学
Xu, Xiaolian^1 ; Huang, Zhihui^1
Ezhou Polytechnic, Ezhou, Hubei, China^1
关键词: Cohesive soils;    Direct shear test;    Experimental study;    Loading and unloading;    Shear strength indexes;    Soil sample;    Under loads;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/170/2/022057/pdf
DOI  :  10.1088/1755-1315/170/2/022057
学科分类:环境科学(综合)
来源: IOP
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【 摘 要 】

In order to truly reflect the shear strength index of soil in the project, the engineering soil sample was loaded and unloaded on a compression instrument, and then the shear strength τ of the excavated sample was measured by direct shear test, the shear strength of the soil sample without loading and unloading was compared with that of the soil sample without loading and unloading, and the influence of loading and unloading on the shear strength was analyzed. The results show that the shear strength of cohesive soil decreases within 2 % after loading and unloading, but the shear strength decreases with the increase of compressive stress.

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