Shock and Vibration

Research Article

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

Table 8

The fitting results of different formulas.


Equation	Blasthole	Direction	3# massif					5# massif
Equation	Blasthole	Direction	k₁	k₂	k₃	k₄	r²	k	k₁	k₂	k₄	r²

(18)	Single	X	95.75				0.212	125.88				0.461
		Y	95.66				0.178	125.40				0.540
		Z	94.01				0.176	114.57				0.595
	Multiple	X	85.15				0.138	192.89				0.463
		Y	89.51				0.116	192.50				0.489
		Z	79.90				0.155	147.05				0.691

(19)	Single	X	3.29E − 3	8.15E − 7			0.028	2.97E − 3	2.84E − 7			0.433
		Y	3.27E − 3	7.62E − 7			0.011	4.28E − 3	−3.53E − 7			0.519
		Z	3.52E − 3	6.06E − 7			0.007	4.45E − 3	−2.65E − 7			0.645
	Multiple	X	3.84E − 3	9.02E − 7			0.589	−1.76E − 2	1.07E − 5			0.266
		Y	3.58E − 3	8.64E − 7			0.679	−5.16E − 3	4.10E − 6			0.322
		Z	4.34E − 3	5.97E − 7			0.271	2.26E − 2	−1.01E − 5			0.435

(20)	Single	X	1.00E + 4	0.18			0.042	1176.71	−0.39			0.527
		Y	2.39E + 4	0.47			0.155	1085.72	−0.43			0.651
		Z	1.66E + 4	0.38			0.119	671.94	−0.60			0.805
	Multiple	X	8.94E + 5	1.54			0.504	1319.01	−0.28			0.381
		Y	1.19E + 6	1.65			0.475	1191.71	−0.35			0.530
		Z	7.78E + 4	0.81			0.312	573.17	−0.59			0.855

(21)	Single	X	0.047				0.642	0.017				0.360
		Y	0.057				0.636	0.017				0.303
		Z	0.049				0.596	0.016				0.299
	Multiple	X	0.026				0.240	0.011				0.645
		Y	0.026				0.204	0.011				0.652
		Z	0.020				0.272	0.010				0.780

(22)	Single	X	2.93	0.13	1.04	−7.87	0.683	1.62E + 4	0.00	0.71	2.46	0.862
		Y	5.20E + 7	−0.33	1.70	7.02	0.704	5.09E + 4	−0.20	0.86	2.89	0.925
		Z	3.00E + 8	0.10	1.30	10.11	0.673	9.54E + 3	−0.45	0.92	0.71	0.906
	Multiple	X	3.53	0.10	2.29	−11.67	0.758	3.01E + 3	0.74	−0.34	4.02	0.875
		Y	7.05E − 5	0.51	1.21	−18.45	0.890	1.16E + 3	−0.13	0.75	−0.50	0.782
		Z	7.39E − 8	0.26	1.29	−26.08	0.876	4.82E + 3	0.11	0.25	2.46	0.760

(17)	Single	X	8.75E + 3	1.18			0.660	1573	0.62			0.740
		Y	1.70E + 4	1.47			0.643	1500	0.58			0.774
		Z	1.27E + 4	1.38			0.642	1060	0.41			0.642
	Multiple	X	2.73E + 5	2.53			0.733	1657	0.73			0.794
		Y	3.33E + 5	2.63			0.698	1570	0.67			0.797
		Z	4.09E + 4	1.80			0.689	859	0.42			0.726