Table 2.

Variation of input and output parameters.

Parameter	Type	Unit	Symbol	Min	Max
Spacing	Input	m	S	8	9
Burden	Input	m	B	7	8
Stemming length	Input	m	T	7	8
Hole depth	Input	m	L	14.90	16.10
Hole diameter	Input	mm	D	165	311
Distance from the blast face	input	m	DI	80.162	2426.738
Maximum charge per delay	input	kg	C	402.3	1,529.5
Powder factor	Input	Kg/m3	Pf	0.57	0.78
Rock factor	Input	–	Rf	3.26	6.15
Blastability index	Input	–	BI	24	70
Ground vibration	Output	mm/s	Gv	0.217	6.336
Fragmentation	Output	%	Fr	70	81