A Study of Fractal Deep-Hole Blasting and Its Induced Stress Behavior of Hard Roof Strata in Bayangaole Coal Mine, China

Table 6

Blasting parameters.

D (m·s^−1)	A (GPa)	B (GPa)	R1	R2		E0 (GPa)
3600	214.4	0.182	4.2	0.9	0.15	4.19