Table 2.
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 | 1450 | 90.85 | 90.75 | 90.25 | 156.95 | 7.88 |
2 | 350 | 1450 | 71.05 | 71.30 | 70.95 | 100.94 | 9.19 |
3 | 400 | 1400 | 55.75 | 55.75 | 55.08 | 96.18 | 10.69 |
4 | 450 | 1450 | 47.50 | 47.40 | 47.35 | 82.13 | 11.82 |
5 | 500 | 1400 | 39.05 | 39.15 | 38.95 | 67.64 | 13.36 |
6 | 550 | 1500 | 35.45 | 35.55 | 35.75 | 60.63 | 14.20 |
7 | 600 | 1200 | 25.70 | 25.85 | 27.45 | 45.63 | 17.32 |
8 | 650 | 1850 | 32.05 | 32.00 | 32.05 | 55.48 | 15.11 |
9 | 700 | 1850 | 28.40 | 28.45 | 28.35 | 49.19 | 16.27 |
10 | 750 | 950 | 14.95 | 14.90 | 14.85 | 25.81 | 24.33 |
11 | 800 | 1350 | 17.80 | 17.70 | 17.85 | 30.80 | 21.77 |
12 | 850 | 1250 | 15.25 | 15.20 | 15.15 | 26.33 | 24.04 |
13 | 900 | 1250 | 13.95 | 13.80 | 12.95 | 23.51 | 25.46 |
14 | 950 | 1500 | 14.75 | 14.85 | 14.25 | 25.32 | 24.53 |
15 | 1000 | 1500 | 13.50 | 13.25 | 13.35 | 23.30 | 25.82 |
16 | 1050 | 1750 | 14.25 | 13.95 | 14.05 | 24.39 | 25.10 |
17 | 1100 | 2350 | 16.75 | 16.05 | 16.25 | 28.32 | 22.69 |
18 | 1150 | 1350 | 10.00 | 9.85 | 10.05 | 17.26 | 31.30 |
19 | 1200 | 1450 | 9.90 | 9.85 | 9.25 | 16.75 | 31.51 |
20 | 1250 | 2755 | 15.50 | 15.20 | 14.95 | 26.36 | 23.81 |