Numerical Investigation on Influential Factors for Quality of Smooth Blasting in Rock Tunnels

Table 10

Range analysis for the underbreak area.

Factor	E		H	D	T		M
	1.72	0.82	0.91	0.60	0.30	1.03	0.64
	1.45	0.92	0.72	0.32	1.44	0.72	1.11
	0.11	1.25	1.11	1.49
	0.21	0.51	0.75	1.09
Rj	1.61	0.74	0.39	1.17	1.14	0.31	0.47
	1.449	0.666	0.351	1.053	2.289	0.623	0.944