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

Figure 11

Schematic diagram of 24° shaped energy blasting crack. (a) Crack angle versus crack length for 24° shaped energy angle. (b) Time evaluation of crack angle for 24° shaped energy angle. (c) Time evaluation of crack length for 24° shaped energy angle.

(a)

(b)

(c)