A New Mathematical Model for Predicting the Surface Vibration Velocity on the Step Topography

Table 2

Vibration monitoring results.

Explosive source	Charge weight (kg)	Monitoring point	Distance from Blast-face (m)	Elevation (m)	Distance from the top (m)	Horizontal PPV (cm/s)	Frequency (Hz)	Vertical PPV (cm/s)	Frequency (Hz)	Measuring point location
I	750	1	141.3	53.5	15.0	4.117	24.2	2.927	31.7	Slope toe
		2	171.6	65.9	0	5.411	25.8	4.060	28.8	Slope top
		3	192.5	65.9	20.9	4.186	22.1	1.871	29.3	Slope toe
		1	275.2	52.5	15.2	2.288	24.8	0.608	21.7	Slope toe
		2	304.9	65.1	0	2.633	21.9	0.737	21.2	Slope top
		3	329.0	65.1	24.1	1.272	29.9	0.486	29.8	Slope toe
II	750	1	237.1	52.3	14.9	3.256	24.4	1.238	27.3	Slope toe
		2	266.3	65.0	0	4.102	28.9	1.595	20.9	Slope top
		3	290.2	65.0	23.9	1.786	23.4	0.651	29.9	Slope toe
		1	220.8	54.1	15.0	2.189	24.1	1.750	23.6	Slope toe
		2	265.7	67.1	0	2.719	26.6	2.272	20.1	Slope top
		3	284.1	67.1	18.4	1.890	25.7	0.586	20.0	Slope toe