Full-Scale Tests for Assessing Blasting-Induced Vibration and Noise

Table 4

Maximum charge per delay with vibration value and distance (unit: kg/delay).

(a) V = 0.2cm/sec

Equation	Confidence level	Distance (m)
		10	20	30	40	50	60	70	80	90	100	110
SRE	50%	0.07	0.30	0.67	1.19	1.86	2.68	3.65	4.77	6.04	7.46	9.02
	95%	0.03	0.12	0.26	0.46	0.72	1.04	1.41	1.84	2.33	2.88	3.48
CRE	50%	0.01	0.10	0.35	0.83	1.62	2.79	4.43	6.62	9.42	12.92	17.20
	95%	0.00	0.02	0.07	0.18	0.34	0.59	0.94	1.41	2.00	2.74	3.65

(b) V = 0.3cm/sec

Equation	Confidence level	Distance (m)
		10	20	30	40	50	60	70	80	90	100	110
SRE	50%	0.13	0.50	1.13	2.00	3.13	4.51	6.14	8.01	10.14	12.52	15.15
	95%	0.05	0.19	0.43	0.77	1.21	1.74	2.37	3.09	3.91	4.83	5.85
CRE	50%	0.03	0.22	0.75	1.79	3.49	6.04	9.59	14.31	20.38	27.96	37.21
	95%	0.01	0.05	0.16	0.38	0.74	1.28	2.04	3.04	4.33	5.94	7.90

(c) V = 0.5cm/sec

Equation	Confidence level	Distance (m)
		10	20	30	40	50	60	70	80	90	100	110
SRE	50%	0.24	0.96	2.16	3.85	6.01	8.66	11.79	15.39	19.48	24.05	29.11
	95%	0.09	0.37	0.84	1.48	2.32	3.34	4.55	5.94	7.52	9.28	11.23
CRE	50%	0.07	0.59	2.00	4.73	9.24	15.97	25.36	37.85	53.89	73.92	98.39
	95%	0.02	0.13	0.42	1.00	1.96	3.39	5.39	8.04	11.45	15.70	20.90