Study on Stress Evolution and Crushing Behavior of Jointed Rock Mass under Confining Pressure and Joint Materials

Table 2

Mechanical property parameters of jointed rock mass materials.

Nature	Material name	Compressive strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Density (g/cm^3)	Longitudinal wave velocity (m/s)
Bedrock	Lime sandstone	84.76	10.96	0.24	2.44	5216.83
Joint material	Gypsum	14.33	12.88	0.21	1.75	4977.34
	Cement mortar	23.77	7.06	0.22	1.81	4740.49
	Epoxy resin	9.69	8.08	0.14	1.10	5016.69