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

Table 4

Effect of thickness ratio (t/h) and the joint roughness coefficient (JRC) on yield permeability.

Thickness ratio	JRC
	0–2		0–2		0–2
t/h	k/k0	t/h	k/k0	t/h	k/k0
0.02	1.07	0.02	1.07	0.02	1.07
0.05	1.15	0.05	1.15	0.05	1.15
0.1	1.24	0.1	1.24	0.1	1.24
0.15	1.31	0.15	1.31	0.15	1.31
0.2	1.35	0.2	1.35	0.2	1.35