Blast Parameter Optimization Study Based on a Blast Crater Experiment

Table 3

Experiment results.

No.	Holes spacing a/m	Resistant line W/m	Rock volume blasted Q/m^3	Crater angle	Explosive consumption (kg/m^3)	Bulk Yield/%
1	6	5.5	338.3	98°	0.532	0.21
2	7	6.5	463.6	106°	0.390	0.33
3	8	5	350.4	104°	0.519	0.18
4	9	6	467.1	113°	0.392	0.25
5	10	7	670.0	115°	0.275	0.42