Experimental Study on Shear Failure Characteristics of Jointed Rock Mass Based on Direct Shear Tests and Digital Image Correction Techniques

Figure 16

Shear strain evolution process of the joint specimen (75°): (a) 10% peak stress, (b) 30% peak stress, (c) 50% peak stress, (d) 70% peak stress, (e) 90% peak stress, and (f) 100% peak stress.

(a)

(b)

(c)

(d)

(e)

(f)