Research Article
Study on Concrete Pier Impact Performance after Implementing Equal Cross-Section Stainless Steel with Protection from Closed-Cell Aluminum Foam
| Specimen no. | Impact times | Height of the drop hammer (m) | Average impact velocity (m/s) | Accumulated energy (J) | Stress stage of closed-cell aluminum foam |
| | 1 | 2 | 0.72 | 311.04 | | S1-16 | 2 | 4 | 1.10 | 1037.04 | Yield stage | Z2-20 | 3 | 6 | 1.42 | 2246.88 | | S1-20 | 4 | 8 | 1.67 | 3920.22 | | Z2-25 | 5 | 10 | 1.84 | 5951.58 | Densification stage | | 6 | 12 | 2.08 | 8547.42 | |
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