Analysis of Blasting Vibration Effect of Railway Tunnel and Determination of Reasonable Burial Depth

Table 1

Measured peak blasting vibration velocity.

Field experiment	Measuring point	The distance from explosion/R (m)	(cm/s)
I	#1	27.58	1.99
	#2	30.48	1.66
	#3	36.89	1.34
	#4	40.31	1.11
	#5	49.24	1.00
II	#1	25.49	2.33
	#2	27.54	2.25
	#3	31.26	1.91
	#4	36.28	1.46
	#5	42.48	1.35
III	#1	29.02	1.92
	#2	33.45	1.70
	#3	38.04	1.52
	#4	45.55	1.31
	#5	50.03	1.17
IV	#1	30.55	1.86
	#2	36.22	1.53
	#3	42.16	1.46
	#4	50.32	1.20
	#5	57.84	0.92
V	#1	28.28	1.96
	#2	31.33	1.62
	#3	38.54	1.49
	#4	41.66	1.30
	#5	47.20	1.20