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

Figure 7

Typical relative difference in permeability versus shear strain with different joint roughness coefficients (JCRs) of (a) 0–2, (b) 4–6, (c) 8–10, (d) 14–16, and (e) 18–20.

(a)

(b)

(c)

(d)

(e)