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

Figure 1

Schematic diagrams of fractured rock specimens: (a) Series I; (b) Series II; (c) Series III; (d) Series IV; (e) Series V; (f) illustration of hole edges.

(a)

(b)

(c)

(d)

(e)

(f)