trobadura submarina

1. Weight 2.08 kg Minimum BR 0.6 kg/m3
Length (in hole) 0.36 m Design Level 13.6 (-m)
Diameter 76 mm PPV Limit 50 mm/s
Density 1.2 g/cm Constant A 714.4000
Loading Factor 5.44 kg/m Constant B -1.600000
Drilling grid Hole Spacing Distance to Rock head Sub Drill Stemming No. of Total Charge MIC Charge MIC Blast Ratio PPV Paid Delays per
Offset Structure level Between Sticks in hole Length Rock Hole
(m) (m) (m) (-m) (m) (m) per delay (kg) (m) (kg) (kg/m3) (mm/s) (m) (m) (No.)
2 2.5 13 10 2 0.6 2 17.65 0.72 4.16 0.63 36.89 3.6 5.6 4.2
2 2.5 15 10.9 2 0.6 3 17.46 1.08 6.24 0.74 40.58 2.7 4.7 2.8
2.5 2.5 17.5 11.1 2 0.6 5 19.50 1.8 10.4 0.69 47.72 2.5 4.5 1.9
2.5 2.5 20 11.4 2 0.6 6 18.99 2.16 12.48 0.72 44.59 2.2 4.2 1.5
2.5 2.5 22.5 11.7 2 0.6 8 18.65 2.88 16.64 0.77 46.49 1.9 3.9 1.1
2.5 2.5 25 11.9 2 0.6 9 18.72 3.24 18.72 0.81 43.16 1.7 3.7 1.0
2.5 2.5 27.5 11.9 2 0.6 9 18.72 3.24 18.72 0.81 37.06 1.7 3.7 1.0
2.5 2.5 30 12 2 0.6 9 18.72 3.24 18.72 0.83 32.24 1.6 3.6 1.0
2.5 2.5 32.5 12.1 2 0.6 8 16.74 2.88 16.64 0.77 25.81 1.5 3.5 1.0
2.5 2.5 35 11.1 2 0.6 11 22.88 3.96 22.88 0.81 29.58 2.5 4.5 1.0
2.5 2.5 37.5 11.5 2 0.6 10 20.80 3.6 20.8 0.81 24.54 2.1 4.1 1.0
2.5 2.5 40 11.5 2 0.6 10 20.80 3.6 20.8 0.81 22.14 2.1 4.1 1.0
2.5 2.5 42.5 11.6 2 0.6 9 19.50 3.24 18.72 0.78 18.47 2 4 1.0
2.5 2.5 45 11.7 2 0.6 9 19.01 3.24 18.72 0.78 16.85 1.9 3.9 1.0
2.5 2.5 47.5 12 2 0.6 8 17.21 2.88 16.64 0.77 14.07 1.6 3.6 1.0
2.5 2.5 50 12 2 0.6 8 17.21 2.88 16.64 0.77 12.96 1.6 3.6 1.0
Row
Spacing Hole Length
Explosive Information Site Information