Rock-Breaking Laws of Disc Cutters with Different Height Differences in Hard Rock Strata

Table 2

Physical and mechanical parameters of granite.

Test types	Density (Kg/m^3)	Porosity (%)	Elastic modulus (GPa)	Poisson’s ratio	Compressive strength (MPa)
Laboratory test	2620	0.8	43.23	0.23	133.71
Numerical simulation	2620	0.8	43.48	0.24	130.33