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Funct. Mater. 2017; 24 (2): 290-297.

doi:https://doi.org/10.15407/fm24.02.290

Investigation of the effect of water content and degree of compaction on the shear strength of clay soil material

Zhang Huzhu1,2, Liu Hanbing1, Wang Jing2, Dong Weizhi2

1 College of Traffic, Jilin University, Changchun, Jilin, 130022, China
2 School of Traffic Science and Engineering, Jilin Jianzhu University, Changchun, Jilin, 130118, China

Abstract: 

The effect of water on compacted clay material with the use of triaxial compression was studied, and models for predicting shear strength parameters were also developed. The results show that cohesion decreases exponentially with increasing water content and exponentially increases with increasing degree of compaction. The angle of internal friction decreases in a convex quadratic parabolic law with increasing water content and increases with a concave quadratic parabolic law with an increase in the degree of compaction; Cohesion and internal friction angle are two-dimensional quadratic functions of water content and degree of compaction and have relatively large values of the shear strength parameter.

Keywords: 
compacted clayey soil material, shear strength, water content, degree of compaction, cohesion, internal friction angle.
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https://doi.org/10.1021/ci600510j

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