Failure Mechanism of Rock Slopes under Different Seismic Excitation

Table 1

Physical and mechanical parameters of material in Huaping slope.

Lithology	Specific gravity	Dry density (ρ/kN/m^3)	Strength parameters		Static modulus of elasticity (E/×10^4 MPa)		Poisson’s ratio		Velocity of longitudinal wave (/km/s)
			Frictional angle (φ/°)	Cohesive strength (c/MPa)	Dry	Wet	Dry	Wet
Basalt	3.09	30.8			6.50		0.25
	3.02	29.8	46.60	11.50	8.55	7.85	0.31	0.34	5.10
	3.05	30	46.85	14.45	9.71	8.25	0.25	0.3	4.72
Amygdaloidal basalt	2.95	28.6			6.40		0.24
	2.91	28.8			7.95	6.11	0.34	0.36	4.65
Breccia lava volcano	2.91	28.6			5.75		0.25
	2.96	29
	2.93	28.8			7.12	6.74	0.30	0.37	4.48
Tuff	3.05	28.9			3.90		0.19
	3.05	29.8
	2.98	29.2				3.82		0.14