Experimental Study on Frequency Modulation Damping Effect of Digital Detonator in Road Clearance Blasting

Table 4

Statistics of vibration monitoring data of the detonator and detonator.

Measurement points	Direction	Peak vibration velocity (cm/s)	FFT frequency (Hz)	Maximum time (s)	Strike (cm/s)	Sensor number
#1	X	0.4772	40.0	0.0453	0.017	EMI53924
	Y	0.3683	40.0	0.4496	0.017	151325.BST
	Z	0.3052	40.0	0.2898	0.017
#2	X	0.4182	37.6	0.3006	0.017	EMI53925
	Y	0.3083	30.7	0.2862	0.017	082031.BST
	Z	0.4915	30.2	0.2899	0.017
#3	X	0.2743	30.7	0.2952	0.017	EMI53928
	Y	0.2186	32.3	0.3030	0.017	151325.BST
	Z	0.4489	30.2	0.2133	0.017
#4	X	0.2618	26.6	0.0896	0.017	EMI53927
	Y	0.1756	25.8	0.0867	0.017	151137.BST
	Z	0.3330	28.6	0.0898	0.017
#5	X	0.2107	26.9	0.0452	0.017	EMI53926
	Y	0.1973	26.9	0.0346	0.017	175006.BST
	Z	0.2893	29.2	0.0127	0.017
#6	X	0.2166	23.6	0.4630	0.017	EMI53923
	Y	0.2262	23.7	0.0011	0.017	112505.BST
	Z	0.3666	22.1	0.4582	0.017