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

Table 1

Average spacing of the structural planes.

Sample	Natural density (g/cm^3)	Compressive strength (MPa)	Elastic modulus (MPa)	Internal friction angle (°)	Poisson’s ratio
Gneiss	2.67	152.4	74.0	58.9	0.11
Andalusite schist	2.81	102.6	26.9	57.4	0.17
Thinned sandstone	2.90	123.9	40.9	60.8	0.25
Quartz schist	2.75	183.0	34.5	56.9	0.18