Research Article
Experimental Study of Aged and Seriously Damaged RC Beams Strengthened Using CFRP Composites
Table 4
The test results of beam specimens.
| | Group | Beams | Yield load growth (%) | Yield deflection (mm) | Ultimate load deflection (mm) | Failure deflection (mm) | | | Failure mode |
| | One | WE | 36 | 16.6 | 75.8 | 33 | 1.93 | 2.41 | Flexural cracks and debonding | | LEU | 32 | 13.5 | 55.6 | 48.9 | 2.74 | 3.62 | Shear cracks | | WA | 5 | 10.2 | 62.4 | 70.1 | 6.87 | 6.87 | Flexural cracks |
| | Two | LEA-S | 22 | 12.6 | 91.7 | 26 | 2.02 | 2.06 | Bar bond splitting | | WEA-S | 26.6 | 12.5 | 109.2 | 51 | 3.91 | 4.08 | Flexural cracks | | WPA-S | 12 | 13.7 | 98.9 | 71 | 4.01 | 5.18 | Shear cracks and debonding | | LE-S | 8.6 | 13.2 | 91.7 | 30 | 1.52 | 2.40 | Shear cracks and debonding |
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