The Effect of Blast-Hole Arrangement, Delay Time, and Decoupling Charge on Rock Damage and Vibration Attenuation in Multihole Blasting

Table 6

Comparison of equation calculation results and field test data results.

Group	Measurement point	Calculated values of ß	PPV predicted values of two holes (cm/s)	Relative error (%)
1	1	1.06829	1.8855	1.76%
	2	1.04644	1.2662	12.86%
2	1	1.00682	1.8515	15.45%
	2	0.98622	1.7959	12.09%