Research on Tunnel Surrounding Rock Failure and Energy Dissipation Based on Cyclic Impact and Shear Loading

Table 1

Physical and mechanical parameters of the rock sample.

Rock types	Density (kg/m^3)	Compressive strength (MPa)	Elastic modulus (GPa)	P-wave velocity (m/s)	Poisson’s ratio
Granite	2560	208	18.39	4400	0.09