Macro-Micro Failure Mechanisms and Damage Modeling of a Bolted Rock Joint

Table 1

Microparameters of the rock sample.

Microparameters	Values	Remark
Minimum radius/mm	0.5
Disk radius ratio	1.66
Disk density/kg·m^−3	1830	Uniform distribution
Disk contact modulus/GPa	3.95
Disk stiffness ratio	1.0
Disk friction coefficients	0.5
Parallel bond normal strength/MPa	24.5 ± 6.5	Normal distribution
Parallel bond shear strength/MPa	24.5 ± 6.5	Normal distribution
Parallel bond modulus/GPa	3.95
Parallel bond stiffness ratio	1.5
Parallel bond radius multiplier	1.0