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

Table 12

Range analysis for the distance of underbreak.

Factor	E		H	D	T		M
	0.453	0.410	0.330	0.433	0.234	0.320	0.290
	0.463	0.330	0.293	0.328	0.413	0.326	0.356
	0.153	0.330	0.343	0.285
	0.225	0.223	0.328	0.248
Rj	0.238	0.188	0.050	0.185	0.179	0.006	0.066
	0.214	0.169	0.045	0.167	0.359	0.012	0.133