Analysis of the Main Factors Influencing the Dominant Frequency of Blast Vibration

Table 3

Dominant frequency of single vibration signals in 3# massif.

Experiment	Blasthole	Direction	Dominant frequency (Hz)
			1#	2#	3#	4#	5#	6#	7#	8#
1	Single	X	98.0	61.7	50.0	67.7	63.3	50.5	39.1	40.7
		Y	58.1	84.7	79.4	76.9	/	53.8	34.5	33.3
		Vertical	100.0	70.4	47.6	70.4	48.1	43.5	35.5	35.5
	Multiple	X	135.1	80.6	151.3	136.8	138.9	63.2	28.2	26.6
		Y	192.3	108.7	94.3	131.5	104.2	54.9	30.4	30.6
		Vertical	125.0	100.0	102.0	104.2	89.3	48.1	38.4	30.2
2	Single	X	83.3	89.3	84.7	54.6	47.6	52.6	—	—
		Y	111.1	89.3	53.5	35.2	53.2	52.1	—	—
		Vertical	72.5	83.3	72.5	35.5	44.2	43.5	—	—
	Multiple	X	166.7	108.7	113.6	84.3	68.5	42.6	—	—
		Y	156.3	200.0	83.3	33.3	58.8	58.8	—	—
		Vertical	92.9	89.3	65.8	46.9	48.1	48.1	—	—