2013•Applied Mechanics and MaterialsOpen access

Soil Shear Strength Characteristic in Slope Disintegration Area

Xiao Ming Zhang, Shu Wen Ding, Shuang Xi Li

Abstract

Development of slope disintegration is close to soil mechanic characteristics such as shear strength indices. Soil grain diameter and water content were tested. Soil direct shear test was conducted to analyze the relationship between shear strength indices and the influencing factors. The experimental data indicate that clay content and the range affect soil cohesion value and the scope. Soil cohesion increases with bulk density before 1.6g/cm3. But it decreases when the bulk after that. The results could provide a scientific basis for control of slope disintegration.

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Key concepts: Cohesion (chemistry), Direct shear test, Geotechnical engineering, Shear strength (soil), Materials science, Soil water, Shear (geology), Soil science