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

Table 2

Cohesion and friction angle of the laboratory test.

Test location number	Elevation of test location (m)	c (kPa)	Total strengthening degree (kPa/m)	Stage strengthening degree (kPa/m)	(°)	Total deterioration degree (°/m)	Stage deterioration degree (°/m)
SNZJ1	285	10.48			35.40
SNZJ2	271	12.27	0.13	0.13	33.22	0.16	0.16
SNZJ3	251	16.94	0.19	0.23	21.80	0.40	0.57
SNZJ4	224	29.05	0.30	0.45	20.17	0.25	0.06