The Effect of Excavation Disturbance on the Stability of Bedding Cataclastic Rock Mass High Slope Containing Multimuddy Interlayers

Table 4

Physical and mechanical parameters of geotechnical excavation after unloading.

Geotechnical type	Percentage of cumulative unloading (%)	Density (g/cm^3)	Modulus of elasticity (MPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (degree)
Adamic earth	30	1.75	296.17	0.37	0.04697	11.71
Adamic earth	50	1.75	289.77	0.40	0.02308	10.32
Strongly weathered dolomite	30	1.9	296.17	0.35	0.06501	25.45
Strongly weathered dolomite	50	1.9	289.77	0.37	0.03194	22.44
Moderately weathered dolomite	30	2.5	493.61	0.28	0.08126	29.69
Moderately weathered dolomite	50	2.5	425.85	0.29	0.03993	26.18