Research Article
Effects of CFRP Strengthening on Dynamic and Fatigue Responses of Composite Bridge
Table 7
Full results of FE analyses of damaged (with 6 mm crack) composite bridges.
| Number of steel girders | Type of composite bridges | Midspan deflection (m) | Max. principal stress (MPa) | Fatigue life () (×106 cycles) |
| 3 | Damaged and unstrengthened | 0.0171 | 116.4 | 1.31 | Damaged and strengthened with CFRP sheets | 0.0155 | 101.8 | 1.75 | Damaged and strengthened with CFRP deck | 0.0122 | 63.2 | 5.91 |
| 5 | Damaged and unstrengthened | 0.0107 | 67.3 | 5.26 | Damaged and strengthened with CFRP sheets | 0.0094 | 53.4 | 10.51 | Damaged and strengthened with CFRP deck | 0.0087 | 41.9 | 20.59 |
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