A New Rock Joint Generation Method and Its Verification in PFC2D

Figure 15

Damage evolution along the sawtooth joint with an inclination angle of 30° when the shear displacement is 3 mm (red dots indicate the fracture location). Normal stress: (a) 1 MPa; (b) 2 MPa; (c) 3 MPa; (d) 4 MPa.

(a)

(b)

(c)

(d)