A New Rock Joint Generation Method and Its Verification in PFC2D

Figure 18

Damage evolution along a joint with a JRC of 10–12 when the shear displacement is 3 mm (red dots indicate the fracture location). Normal displacement: (a) 1 MPa; (b) 2 MPa; (c) 3 MPa; (d) 4 MPa.

(a)

(b)

(c)

(d)