Effect of Joint Roughness and Infill Thickness on Shear Characteristics of Rock Mass

Figure 16

The development of micro-cracks of unbolted infilled rock joints: (a) 0.01 mm; (b) 0.02 mm; (c) 0.05 mm; (d) 0.1 mm; (e) 0.5 mm; (f) 1.0 mm.

(a)

(b)

(c)

(d)

(e)

(f)