Table 5 The damage of slabs.
Working condition | Parameters of TNT | Blasting crater | Spall pit | |||
|---|---|---|---|---|---|---|
Charge (kg) | Scaled distance (m/kg1/3) | Diameter (cm) | Depth (cm) | Diameter (cm) | Depth (cm) | |
FC00 | 3.6 | 0.300 | 60.0 | 12.5 | 90.0 | 8.0 |
6.3 | 0.257 | 60.0 | 14.0 | 95.0 | 17.0 | |
9.6 | 0.229 | 88.0 | Penetration | 113.0 | Penetration | |
FC01 | 3.6 | 0.300 | 45.0 | 8.5 | 50.0 | 5.0 |
6.3 | 0.257 | 50.0 | 11.0 | 69.0 | 9.7 | |
9.6 | 0.229 | 69.0 | 13.5 | 72.0 | 14.0 | |
FC02 | 3.6 | 0.300 | 56.0 | 9.5 | 80.0 | 7.0 |
6.3 | 0.257 | 60.0 | 10.5 | 94.0 | 11.0 | |
9.6 | 0.229 | 78.0 | 13.7 | 100.0 | 15 | |
FC03 | 3.6 | 0.300 | 53.0 | 9.5 | 73.0 | 7.5 |
6.3 | 0.257 | 60.0 | 10.9 | 77.0 | 17.0 | |
9.6 | 0.229 | 76.0 | 13.2 | 96.0 | 19.0 | |
FC05 | 2.5 | 0.332 | 44.0 | 8.4 | Bulge | |
3.0 | 0.302 | 46.0 | 8.5 | Bulge | ||
3.6 | 0.300 | 54.0 | 9.0 | 20.0 | 5.0 | |
4.5 | 0.280 | 55.0 | 10.3 | 67.0 | 13.0 | |
6.3 | 0.257 | 55.0 | 10.5 | 75.0 | 13.0 | |
7.2 | 0.246 | 71.0 | 11.7 | 86.0 | 15.0 | |
9.6 | 0.229 | 78.0 | 12.3 | 95.0 | 20.4 | |
FC06 | 3.6 | 0.300 | 57.0 | 8.0 | 20.0 | 5.0 |
6.3 | 0.257 | 60.0 | 11.0 | 80.0 | 15.0 | |
9.6 | 0.229 | 75.0 | 14.0 | 98.0 | 18.6 | |
FC07 | 3.6 | 0.300 | 50.0 | 9.0 | 94.0 | 8.7 |
6.3 | 0.257 | 53.0 | 11.0 | 82.0 | 15.0 | |
9.6 | 0.229 | 76.0 | 13.5 | 102.0 | 17.0 | |
FC09 | 3.6 | 0.300 | 49.0 | 9.2 | 15.0 | – |
6.3 | 0.257 | 55.0 | 11.0 | 60.0 | 5.8 | |
9.6 | 0.229 | 72.0 | 12.7 | 90.0 | 13.0 | |
FC10 | 3.6 | 0.300 | 48.0 | 10.0 | 85.0 | – |
6.3 | 0.257 | 60.0 | 10.5 | 90.0 | 14.0 | |
9.6 | 0.229 | 70.0 | 13.0 | 96.0 | 17.5.0 | |
FC11 | 3.6 | 0.300 | 50.0 | 8.5 | 72.0 | – |
6.3 | 0.257 | 57.0 | 10.5 | 74.0 | 9.5 | |
9.6 | 0.229 | 80.0 | 13.0 | 95.0 | 13.0 | |
FC12 | 3.6 | 0.300 | 47.0 | 8.8 | 66.0 | – |
6.3 | 0.257 | 62.0 | 11.0 | 70.0 | 8.5 | |
9.6 | 0.229 | 71.0 | 12.0 | 93.0 | 10.5 | |