Research Article
Flexural Strengthening of Damaged T-Joists with Severe Corrosion Using CFRP Sheets
Table 4
Load at permissible active deflection, Load Factor values, and ACI 318 load test results for simulated specimens.
| | Specimen | | | Load at permissible active deflection (N/m2) | Load Factor (LF) | ACI 318 load test |
| | Simply supported joist | (A1) | Healthy | 9,984 | 1.33 | Right | | (A2) | Corroded without repair | 5,216 | 0.70 | Negative | | (A3) | Corroded with 1 CRRP sheet | 5,960 | 0.79 | Negative | | (A4) | Corroded with 2 CRRP sheets | 7,085 | 0.94 | Negative | | (A5) | Corroded with 3 CRRP sheets | 8,107 | 1.08 | Negative | | (A6) | Corroded with 4 CRRP sheets | 9,080 | 1.21 | Negative |
| | Fixed-ended joist | (B1) | Healthy | 18,685 | 2.49 | Right | | (B2) | Corroded without repair | 14,520 | 1.93 | Right | | (B3) | Corroded with 1 CRRP sheet | 15,706 | 2.09 | Right | | (B4) | Corroded with 2 CRRP sheets | 16,874 | 2.26 | Right | | (B5) | Corroded with 3 CRRP sheets | 17,589 | 2.33 | Right | | (B6) | Corroded with 4 CRRP sheets | 18,096 | 2.42 | Right |
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