Numerical Simulation Research on Crack Bifurcation Mechanism of Bidirectional Cumulative Tensile Blasting

Figure 12

Schematic diagram of 35° shaped energy blasting crack. (a) Crack angle versus crack length for 35° shaped energy angle. (b) Time evaluation of crack angle for 35° shaped energy angle. (c) Time evaluation of crack length for 35° shaped energy angle.

(a)

(b)

(c)