Research Article
Study on Concrete Pier Impact Performance after Implementing Equal Cross-Section Stainless Steel with Protection from Closed-Cell Aluminum Foam
Table 6
Impact force test results and comparison.
| Height of the drop hammer (m) | Average impact velocity (m/s) | 1st group | 2nd group | Peak impact force (kN) | Relative ratio (%) | Peak impact force (kN) | Relative ratio (%) | S1-16 | Z2-16 | S1-20 | Z2-20 |
| 2 | 0.72 | 111.57 | 68.95 | 38.2 | 89.3 | 61.9 | 30.68 | 4 | 1.10 | 200.49 | 138.41 | 30.96 | 124.61 | 87.95 | 29.42 | 6 | 1.42 | 313.66 | 202.72 | 35.37 | 153.47 | 114.47 | 25.41 | 8 | 1.67 | 478.85 | 360.65 | 24.68 | 349.4 | 292.82 | 16.19 | 10 | 1.84 | 672.11 | 618.28 | 8.01 | 578.77 | 498.52 | 13.87 | 12 | 2.08 | 830.39 | 756.08 | 8.95 | 781.72 | 737.35 | 5.68 |
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