Triaxial Strength Criteria in Mohr Stress Space for Intact Rocks

Table 2

Summary of mechanical parameters of marble specimens.

Group	Particle size (mm)	Color	UCS (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Frictional angle (°)	Cohesion (MPa)	wave (m/s)
PGM	0.2∼0.5	Grey	141.68	83.87	0.377	25.28	50.90	5854.56
FGM	0.5∼1	Pink	70.93	47.45	0.316	25.28	25.79	5235.98
MGM	1∼3	Pink	65.17	53.12	0.293	23.6	28.96	5270.34
CGM	3∼5	White	48.38	41.88	0.119	30.0	15.04	5414.74