Table 3.
Data monitoring points | Shot to monitored distance [metre] | Charge weight (in 50 holes) [kg] | Peak Particle velocity (mm/s) |
Scaled distance | |||
---|---|---|---|---|---|---|---|
Vertical [mm/s] | Longitudinal [mm/s] | Transversal [mm/s] | Vectoral Sum [mm/s] | ||||
1 | 300 | 1650 | 100.75 | 101.05 | 99.85 | 174.16 | 7.39 |
2 | 350 | 1550 | 74.90 | 73.45 | 73.95 | 128.35 | 8.89 |
3 | 400 | 1355 | 54.30 | 54.95 | 53.85 | 94.17 | 10.89 |
4 | 450 | 1555 | 50.25 | 49.75 | 50.05 | 86.63 | 11.22 |
5 | 500 | 1850 | 48.75 | 48.35 | 48.05 | 83.80 | 11.62 |
6 | 550 | 1900 | 35.95 | 36.15 | 36.95 | 62.24 | 12.62 |
7 | 600 | 1400 | 29.15 | 29.75 | 28.85 | 50.67 | 16.03 |
8 | 650 | 1100 | 21.15 | 20.55 | 20.95 | 36.17 | 19.60 |
9 | 700 | 1250 | 20.80 | 21.05 | 20.10 | 34.77 | 19.80 |
10 | 750 | 1500 | 21.55 | 20.45 | 21.05 | 36.41 | 19.30 |
11 | 800 | 1800 | 22.45 | 22.10 | 21.95 | 38.42 | 18.86 |
12 | 850 | 1950 | 21.75 | 20.65 | 20.05 | 36.85 | 19.25 |
13 | 900 | 1250 | 13.90 | 13.10 | 13.55 | 23.42 | 25.46 |
14 | 950 | 1250 | 12.75 | 11.95 | 12.10 | 21.25 | 26.87 |
15 | 1000 | 1200 | 10.75 | 11.05 | 10.45 | 18.62 | 28.88 |
16 | 1050 | 1950 | 15.50 | 14.55 | 15.95 | 26.58 | 23.78 |
17 | 1100 | 1800 | 13.05 | 13.55 | 12.75 | 22.73 | 25.93 |
18 | 1150 | 1800 | 12.55 | 11.85 | 12.25 | 21.17 | 27.11 |
19 | 1200 | 1800 | 11.75 | 10.65 | 11.25 | 19.44 | 28.28 |
20 | 1250 | 1950 | 10.25 | 11.75 | 10.55 | 18.83 | 28.31 |