Experimental Study on the Crack Initiation and Propagation of Unequal Cracks in Rock-Like Materials

Table 1

Mechanical parameters of the rock-like material.

Mechanical parameters of rock-like materials	σ c (MPa)	σ t (MPa)	E (GPa)	μ	Apparent density (kg/m^3)
Measured value	50–55	2.3	15.2	0.15	2350