Discrete Element Simulation Analysis of the Bending and Toppling Failure Mechanisms of High Rock Slopes

Table 3

Hoek-Brown criterion for estimating slope strength parameters.

Lithology	Basic variables of Hoek Brown criterion				Intermediate variable of Hoek Brown criterion					Estimated value
		GSI								(°)	(MPa)
Gneiss	152.40	40.00	3.00	0.30	0.2411	0.5114	0.0006	9.6728	0.0268	31.5267	1.1078
Andalusite schist	102.60	40.00	3.00	0.30	0.2411	0.5114	0.0006	6.5120	0.0180	34.4629	0.6381
Thinned sandstone	123.90	40.00	3.00	0.30	0.2411	0.5114	0.0006	7.8639	0.0218	33.0715	0.8273
Quartz schist	183.00	40.00	3.00	0.30	0.2411	0.5114	0.0006	11.6150	0.0322	30.1540	1.4418