Research Article

Experimental and Numerical Study of Failure Behavior and Energy Mechanics of Rock-Like Materials Containing Multiple Joints

Table 3

Microscopic parameters for rock mass.

MicroparametersValues

Minimum mean radius (mm)0.25
1.66
Particle contact modulus, (GPa)2.45
Particle normal/shear stiffness2.7
Particle friction coefficient, 0.5
Parallel bond modulus, (GPa)2.45
Parallel bond normal/shear stiffness2.7
Parallel bond normal strengths, mean (MPa)5.53
Parallel bond normal strength, standard deviation (MPa)0.6
Parallel bond shear strengths, mean (MPa)5.53
Parallel bond shear strength, standard deviation (MPa)0.6