Research Article
Experimental Study on the Impact Resistance of Closed-Cell Aluminum Foam Protective Materials to RC Piers under Lateral Impact
Table 5
Impact force tests and comparison results.
| Number of impacts | Impact velocity (m/s) | A | B | Peak impact force (N) | Peak impact force (N) | Z1 | Z2 | Z3 | Z4 | Z5 | Z6 |
| 1 | 0.76 | 141325 | 185191 | 227778 | 120032 | 123848 | 209523 | 2 | 0.96 | 286790 | 349726 | 561243 | 213523 | 291601 | 490077 | 3 | 1.14 | 391589 | 510449 | 783568 | 304444 | 467919 | 710989 | 4 | 1.32 | 411929 | 559816 | 798734 | 332313 | 518272 | 742452 | 5 | 1.54 | 584181 | 618146 | 836631 | 502325 | 612651 | 806947 | 6 | 1.76 | 832042 | 619288 | 860014 | 847526 | 643180 | 880424 | 7 | 1.98 | 935698 | 674108 | 873605 | 980534 | 712285 | 906452 | 8 | 2.21 | 1041921 | 764427 | 890564 | 1132032 | 811211 | 928309 | 9 | 2.43 | 1194067 | 929493 | 965748 | 1260716 | 905478 | 936921 |
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