Blasting Energy Analysis of the Different Cutting Methods

Table 2

Blasting parameters of single-wedge hole cutting.

Hole name	Hole no.	Number of holes	Charge quantity		Detonator order
			Explosive volume per each hole	Total weight (kg)
Central hole	1	1	0.5	0.15	3
Cutting hole	2–7	6	3.5	6.30	1
Auxiliary hole	8–10	3	2.5	2.30	5
Auxiliary hole	11–12	2	2.5	1.50	5
Auxiliary hole	13–21	9	2.5	6.75	7
Auxiliary hole	22–32	11	2.5	8.25	8
Auxiliary hole	33–46	14	2.0	8.40	9
Peripheral hole	47–67	21	1.5	9.45	15
Bottom hole	69–74	6	3.0	5.40	15
Bottom hole	68, 75	2	3.0	1.80	19
Total		75		50.3