Research Article
Repairing and Strengthening of Damaged RC Columns Using Thin Concrete Jacketing
Table 13
Summary of the results for all tested column specimens.
| # | Description | Notation | Pu (kN) | Axial displacement (mm) |
| 1 | UC unjacketed reference column | UC | 331 | 0.972 |
| 2 | MC monolithically cast reference columns | MC1 | 478 | 0.99 | 3 | MC2 | 751 | 1.02 |
| 4 | NSC-4.75 jacket, [A-B] | Roughening surface by mechanical wire brushing | A-W | 517 | 0.99 | 5 | B-W | 713 | 1.11 | 6 | Roughening surface by mechanical scarification | A-C | 642 | 1.02 | 7 | B-C | 812 | 1.14 | 8 | Bonding by using shear studs | A-S | 653 | 1.05 | 9 | B-S | 859 | 1.2 |
| 10 | UHPFRSCC jacket, [X-Y] | Roughening surface by mechanical wire brushing | X-W | 883 | 1.908 | 11 | Y-W | 1224 | 1.989 | 12 | Roughening surface by mechanical scarification | X-C | 956 | 1.92 | 13 | Y-C | 1280 | 2.001 | 14 | Bonding by using shear studs | X-S | 1030 | 1.98 | 15 | Y-S | 1356 | 2.04 |
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