An Investigation on Local Shearing Mechanisms of Irregular Dentate Rock Joints Using the PFC

Figure 13

Contrast diagram of microcrack propagation and contact force distribution of joint sample during shear process: (a) 0 mm; (b) 0.5 mm; (c) 0.75 mm; (d) 1 mm; (e) 2 mm; (f) 3 mm.

(a)

(b)

(c)

(d)

(e)

(f)