Study of the Failure Mode of a Jointed Rock Mass due to a Stress Wave

Figure 11

Various crack types initiated from the preexisting flaws identified [42]. T—tensile cracks. S—shear cracks. (a) Type 1 tensile crack (tensile wing crack). (b) Type 2 tensile crack. (c) Type 3 tensile crack. (d) Mixed tensile-shear crack. (e) Type 1 shear crack. (f) Type 2 shear crack. (g) Type 3 shear crack.

(a)

(b)

(c)

(d)

(e)

(f)

(g)