Research Article
Effects of CFRP Strengthening on Dynamic and Fatigue Responses of Composite Bridge
Table 5
Full results of FE analyses of undamaged composite bridges.
| Number of steel girders | Type of composite bridges | Midspan deflection (m) | Max. principal stress (MPa) | Fatigue life () (×106 cycles) |
| 3 | Unstrengthened | 0.015 | 78.5 | 25.19 | Strengthened with CFRP sheets | 0.0134 | 68 | 38.87 | Strengthened with CFRP deck | 0.0098 | 35.5 | 278.13 |
| 5 | Unstrengthened | 0.0097 | 47.5 | 112.24 | Strengthened with CFRP sheets | 0.0082 | 39.5 | 200.39 | Strengthened with CFRP deck | 0.0077 | 27.5 | 572.69 |
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