Research Article

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

Figure 4

Process of shaped charge jet formation and migration under cumulative blasting with decoupling coefficient 1.33: (a) t = 4.96 μs; (b) t = 7.92 μs; (c) t = 17.29 μs.
(a)
(b)
(c)