Blasting Vibration Law and Prediction in the Near-Field of Tunnel

Table 4

Comparison between measured vibration velocity and predicted vibration velocity in the near blasting area of Zhaitang tunnel.

Formula	Measured data	Acceleration (m·s^−2)
		2235	418	330	303	236
Formula (1)	Aprediction	1882	346	281	263	187
	Relative error (%)	15.8	17.2	14.8	13.2	20.7
Formula (2)	Aprediction	2443	381	304	324	219
	Relative error (%)	9.3	8.8	8.4	6.9	7.2