Table 5 Comparison of peak deflection in test with predicted deflection.
From: Effect of Impact Load on Splice Length of Reinforcing Bars
Specimens | Drop height (m) | Drop weight (kg) | δtest (mm) | δp (mm) | δp/δtest |
|---|---|---|---|---|---|
S-18-300-L | 3.15 | 272.3 | 23.1 | 13.8 | 0.60 |
6.30 | 272.3 | 86.6 | 23.1 | 0.27 | |
12.6 | 272.3 | 165.6 | 42.0 | 0.25 | |
5.74 | 597.3 | 194.6 | 68.2 | 0.35 | |
S-18-400-L | 3.15 | 272.3 | 12.8 | 13.7 | 1.07 |
6.30 | 272.3 | 60.5 | 23.1 | 0.38 | |
12.60 | 272.3 | 150.9 | 42.0 | 0.28 | |
5.74 | 597.3 | 167.0 | 68.1 | 0.41 | |
S-18-300 | 1.58 | 532.3 | 55.8 | 19.3 | 0.35 |
3.15 | 532.3 | 101.7 | 34.6 | 0.34 | |
4.73 | 532.3 | 159.6 | 49.7 | 0.31 | |
1.96 | 857.3 | 137.7 | 44.3 | 0.32 | |
S-18-400 | 1.58 | 532.3 | 38.9 | 19.4 | 0.50 |
3.15 | 532.3 | 83.2 | 34.8 | 0.42 | |
6.30 | 532.3 | 183.2 | 64.3 | 0.35 | |
1.96 | 857.3 | 104.0 | 44.5 | 0.43 | |
S-25-300 | 1.58 | 532.3 | 32.4 | 13.0 | 0.40 |
3.15 | 532.3 | 95.2 | 22.0 | 0.23 | |
4.73 | 532.3 | 134.8 | 31.2 | 0.23 | |
1.96 | 857.3 | – | – | – | |
S-25-400 | 1.58 | 532.3 | 23.5 | 13.1 | 0.56 |
3.15 | 532.3 | 75.0 | 22.2 | 0.30 | |
6.30 | 532.3 | 193.8 | 40.7 | 0.21 | |
1.96 | 857.3 | 122.8 | 28.0 | 0.23 | |
Avg. | 0.38 | ||||
COV. | 0.47 |