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

Figure 6

Failure process of the SHTF-60 specimen: (a) stress-strain curve of SHTF-60; (b) rock crumb flaking; (c) surface crack propagation; (d) burst-induced crater; (e) complete failure.

(a)

(b)

(c)

(d)

(e)