Strain Rockbursts Simulated by Low-Strength Brittle Equivalent Materials

Table 3

Physical and mechanical parameters of the prototype and model.

Material types	Dry density; KN/m3	Elastic modulus/MPa	Compressive strength/MPa	Tensile strength/MPa	Cohesion/MPa	Internal friction angle
Marble	27.7	25300	89.2	4.95	4.24	53.1°
Equivalent materials	27.7	369.6	1.1	0.07	0.06	50.7°