Experimental Study on Variation Law and Mechanism of Soil Shear Strength Parameters along the Slope

Table 6

Cohesion and friction angle variation coefficients of soil.

Category	Cohesion (kPa)	Friction angle (°)
Literature	0.19–0.55	0.05–0.40
In situ test	0.33	0.40
Laboratory test	0.42	0.24