Research Article
Implosion-Induced Collapse Effect of Initial Penetration Damage on Concrete Structures with Finite Thickness
Table 2
Experimental results of 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 | 0.197 | 0.097 | 1-2 | — | 5 : 1 | 39.25 | 0 | 0.197 | 0.152 | 2 | 2-1 | 489.39 | 5 : 1 | 39.25 | 193.38 | 0.214 | 0.091 | 2-2 | — | 5 : 1 | 39.25 | 0 | 0.214 | 0.148 | 3 | 3-1 | 512.75 | 5 : 1 | 39.25 | 209.62 | 0.232 | 0 | 3-2 | — | 5 : 1 | 39.25 | 0 | 0.232 | 0.142 | 4 | 4-1 | 544.35 | 5 : 1 | 39.25 | 235.93 | 0.251 | 0.098 | 4-2 | — | 5 : 1 | 39.25 | 0 | 0.251 | 0.149 | 5 | 5-1 | 558.49 | 5 : 1 | 39.25 | 248.28 | 0.259 | 0.105 | 5-2 | — | 5 : 1 | 39.25 | 0 | 0.259 | 0.154 | 6 | 6-1 | 589.43 | 5 : 1 | 39.25 | 277.31 | 0.277 | 0.105 | 6-2 | — | 5 : 1 | 39.25 | 0 | 0.277 | 0.149 | 7 | 7-1 | 612.92 | 5 : 1 | 39.25 | 300.29 | 0.287 | 0.125 | 7-2 | — | 5 : 1 | 39.25 | 0 | 0.287 | 0.163 | 8 | 8-1 | 625.21 | 5 : 1 | 39.25 | 315.60 | 0.293 | 0.122 | 8-2 | — | 5 : 1 | 39.25 | 0 | 0.293 | 0.158 | 9 | 9-1 | 643.47 | 5 : 1 | 39.25 | 330.49 | 0.310 | 0.114 | 9-2 | — | 5 : 1 | 39.25 | 0 | 0.310 | 0.151 | 10 | 10-1 | 671.46 | 5 : 1 | 39.25 | 359.87 | 0.325 | 0.119 | 10-2 | — | 5 : 1 | 39.25 | 0 | 0.325 | 0.154 |
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