Cracking and Failure in Rock Specimen Containing Combined Flaw and Hole under Uniaxial Compression

Figure 9

Failure process of the THSF-60 specimen: (a) stress-strain curve of THSF-60; (b) rock crumb flaking; (c) rock burst; (d) ligament crush.

(a)

(b)

(c)

(d)