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

Figure 4

Failure process of the SHTF-0 specimen: (a) stress-strain curve of SHTF-0; (b) rock crumb flaking; (c) crack propagation; (d) complete failure.

(a)

(b)

(c)

(d)