A Comparative Study of Ground and Underground Vibrations Induced by Bench Blasting

Table 1

General applied design parameters at the mine.

Parameters	Value
Slope, (°)	75
Diameter, (mm)	165
Hole length, (m)	12~13.5
Bench height, (m)	12
Burden, (m)	6
Spacing, (m)	4
Stemming, (m)	2
Delay time	25 ms (hole), 65 ms (row)
Maximum charge per delay, (kg)	100~200
Explosive	ANFO