Research Article
Implosion-Induced Collapse Effect of Initial Penetration Damage on Concrete Structures with Finite Thickness
Table 5
Numerical simulation results for collapse damage of concrete targets.
| | Group | No. | Penetration speed (m/s) | Charge aspect ratio | Charge quality (g) | Impact factor | Buried depth (m) | Collapse depth (m) |
| | 1 | 1-1 | 465.12 | 5 : 1 | 39.25 | 172.68 | 0.212 | 0.105 | | 1-2 | — | 5 : 1 | 39.25 | 0 | 0.212 | 0.163 | | 2 | 2-1 | 489.39 | 5 : 1 | 39.25 | 193.38 | 0.223 | 0.107 | | 2-2 | — | 5 : 1 | 39.25 | 0 | 0.223 | 0.164 | | 3 | 3-1 | 512.75 | 5 : 1 | 39.25 | 209.62 | 0.235 | 0.108 | | 3-2 | — | 5 : 1 | 39.25 | 0 | 0.235 | 0.164 | | 4 | 4-1 | 544.35 | 5 : 1 | 39.25 | 235.93 | 0.256 | 0.114 | | 4-2 | — | 5 : 1 | 39.25 | 0 | 0.256 | 0.166 | | 5 | 5-1 | 558.49 | 5 : 1 | 39.25 | 248.28 | 0.269 | 0.125 | | 5-2 | — | 5 : 1 | 39.25 | 0 | 0.269 | 0.172 | | 6 | 6-1 | 589.43 | 5 : 1 | 39.25 | 277.31 | 0.278 | 0.134 | | 6-2 | — | 5 : 1 | 39.25 | 0 | 0.278 | 0.175 | | 7 | 7-1 | 612.92 | 5 : 1 | 39.25 | 300.29 | 0.290 | 0.138 | | 7-2 | — | 5 : 1 | 39.25 | 0 | 0.290 | 0.176 | | 8 | 8-1 | 625.21 | 5 : 1 | 39.25 | 315.60 | 0.305 | 0.141 | | 8-2 | — | 5 : 1 | 39.25 | 0 | 0.305 | 0.178 | | 9 | 9-1 | 643.47 | 5 : 1 | 39.25 | 330.49 | 0.317 | 0.145 | | 9-2 | — | 5 : 1 | 39.25 | 0 | 0.317 | ≥0.183 | | 10 | 10-1 | 671.46 | 5 : 1 | 39.25 | 359.87 | 0.332 | 0.149 | | 10-2 | — | 5 : 1 | 39.25 | 0 | 0.332 | ≥0.168 |
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