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

Table 6

Dominant frequency of single vibration signals in 5# massif.

Experiment	Blasthole	Direction	Measuring points number
			1#	2#	3#	4#	5#	6#	7#
3	Single	X	75.8	93.9	43.5	56.2	42.7	28.1	25.0
		Y	78.1	—	52.1	71.9	46.3	30.9	26.0
		Vertical	60.2	54.9	59.5	60.3	49.0	33.8	27.8
	Multiple	X	94.3	48.5	36.8	41.3	36.7	22.5	18.7
		Y	89.3	48.3	42.4	38.5	34.2	31.4	21.9
		Vertical	64.7	48.5	40.5	46.7	45.5	27.5	26.5
4	Single	X	68.5	56.8	34.7	45.9	36.8	—	—
		Y	73.5	54.3	45.5	36.5	37.0	—	—
		Vertical	66.7	54.9	54.3	49.5	37.2	—	—
	Multiple	X	84.7	45.9	36.0	32.5	37.7	—	—
		Y	78.1	63.3	53.8	31.1	34.5	—	—
		Vertical	62.5	40.3	36.5	41.7	36.5	—	—