Attenuation Law of Stress Waves in Cracked Rock Mass under Different Confining Pressures

Table 1

Physical-mechanical parameters of the original rock and the similar material.

Category	Compressive strength (MPa)	Tensile strength (MPa)	Elastic modulus (GPa)	Internal friction angle (°)	Cohesion (MPa)	Poisson’s ratio	Density (kg·m^−3)
Original rock	170.00	16.00	40.000	35.0	40.00	0.346	2.800
Model	17.53	1.71	1.099	30.3	2.12	0.301	2.235