Assessment of Blasting-Induced Ground Vibration in an Open-Pit Mine under Different Rock Properties

Table 5

The wavelet packet frequency band energy distribution for blasting vibration signals.

Frequency band (Hz)	D1				S3
	46 (m)	97 (m)	151 (m)	202 (m)	55 (m)	97 (m)	152 (m)	201 (m)
0∼3.90625	2.82E − 02	2.42E − 04	3.35E − 03	8.09E − 03	2.37E + 00	4.28E + 00	6.84E + 00	4.01E + 01
3.90625∼7.8125	3.07E − 02	2.03E − 02	1.52E − 02	3.87E − 03	7.39E + 00	1.40E + 01	3.05E + 01	9.76E + 00
7.8125∼11.71875	5.49E − 01	4.38E − 02	2.87E − 03	2.38E − 03	1.62E + 01	3.11E + 01	1.72E + 01	1.29E + 01
11.71875∼15.625	4.95E − 01	3.96E − 02	8.55E − 03	1.75E − 03	4.57E + 01	2.51E + 01	1.78E + 01	3.35E + 01
15.625∼19.53125	5.43E − 01	2.83E − 03	5.62E − 05	6.60E − 06	1.81E + 00	2.06E + 00	1.40E + 00	1.08E − 01
19.53125∼23.4375	1.84E − 01	6.83E − 03	1.06E − 04	1.67E − 05	3.05E + 00	2.90E + 00	3.21E + 00	9.02E − 02
23.4375∼27.34375	1.62E + 00	9.94E − 03	2.61E − 03	2.83E − 04	1.68E + 01	1.55E + 01	1.32E + 01	2.01E + 00
27.34375∼31.25	3.72E − 01	9.32E − 03	5.76E − 04	1.40E − 04	3.37E + 00	2.99E + 00	7.84E + 00	1.27E + 00
31.25∼35.15625	2.01E − 02	7.51E − 05	1.51E − 06	1.80E − 08	1.21E − 02	1.40E − 02	7.85E − 04	8.70E − 03
35.15625∼39.0625	1.28E − 02	1.38E − 04	2.43E − 06	6.44E − 08	2.99E − 02	1.05E − 02	2.57E − 03	1.13E − 02
39.0625∼42.96875	1.50E − 02	1.32E − 03	7.52E − 06	3.91E − 07	1.61E − 01	1.84E − 02	3.10E − 02	8.79E − 02
42.96875∼46.875	1.58E − 02	2.64E − 04	3.95E − 06	2.70E − 07	2.80E − 02	2.02E − 02	1.73E − 02	1.13E − 02
46.875∼50.78125	3.17E − 01	1.09E − 03	1.87E − 05	2.13E − 06	9.40E − 01	8.83E − 01	4.79E − 01	2.45E − 02
50.78125∼101.5625	2.12E − 01	3.70E − 03	3.83E − 05	1.06E − 05	1.86E − 02	1.44E − 03	2.98E − 04	2.97E − 06
101.5625∼203.125	5.74E − 02	1.48E − 04	2.67E − 06	1.64E − 07	1.79E − 03	6.70E − 05	4.79E − 06	1.77E − 06
203.125∼300.78125	3.87E − 03	9.82E − 07	8.22E − 07	6.79E − 08	1.90E − 04	7.50E − 06	6.89E − 07	1.77E − 07
300.78125∼500	1.03E − 02	6.78E − 07	1.65E − 06	1.93E − 07	9.14E − 06	6.71E − 07	3.06E − 08	1.87E − 07
500∼1000	3.86E − 03	4.74E − 06	3.07E − 06	1.62E − 06	9.67E − 08	1.61E − 07	1.08E − 09	1.22E − 07
1000∼2000	2.42E − 03	3.53E − 07	3.21E − 07	1.59E − 06	4.18E − 09	1.60E − 07	4.30E − 10	1.13E − 07