A Multiparameter Damage Constitutive Model for Rock Based on Separation of Tension and Shear

Table 1

Mechanical parameters for rock.

Density; (g/cm^3)	Young’s modulus; (GPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)	Tension limit; (MPa)
2.67	13.0	0.27	1.0	47.7	0.45