Testing  Method for  the Range of  Fracture Zone of  Rock  Slope under Blasting Load

Figure 15

The development of rock mass fracture zone in head-up view: (a) 0.5 ms; (b) 0.8 ms; (c) 1.5 ms; (d) 2.0 ms; (e) 2.5 ms; (f) 3.0 ms.

(a)

(b)

(c)

(d)

(e)

(f)