Research Article

Study on the Decoupled Charge Effect in Deep-Hole Cumulative Blasting of Coal Seam

Figure 8

Propagation of stress wave under cumulative blasting with decoupling coefficient of two: (a) t = 60.96 μs; (b) t = 86.95 μs; (c) t = 126.98 μs.
(a)
(b)
(c)