Numerical Simulation of Shear Behavior and Permeability Evolution of Rock Joints with Variable Roughness and Infilling Thickness

Table 1

Mechanical and physical parameters of granite and infill.

	Granite	Infilled sand	Unit
Density	2600	2000	kg/m^3
Radius			mm
Average radius			mm
Interparticle friction	0.577	0.577	N/A
Normal-to-shear stiffness ratio	2.5	1.0	N/A
Parallel bond effective modulus	5	5	GPa
Parallel bond tensile strength	60	0	MPa
Parallel bond cohesion	120	0	MPa
Calibrated Young’s modulus	30.0	0	GPa
Calibrated UCS	181	0	MPa