Experimental Study on the Boundary Reflection Effect of Stress Wave Propagation Based on the Newly Developed Test Apparatus

Table 1

Physical and mechanical parameters of red sandstone.

Parameters	Uniaxial compressive strength, σc (MPa)	Elastic modulus, E (GPa)	Poisson’s ratio, μ	Wave speed, v (m/s)	Density, ρ (g/cm^3)
Values	40.89	9.26	0.21	3,209	2.35