Research Article
Effects of CFRP Strengthening on Dynamic and Fatigue Responses of Composite Bridge
Table 6
Full results of FE analyses of damaged (with 3 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 | 92.8 | 1.64 | | Damaged and strengthened with CFRP sheets | 0.0155 | 81 | 3.5 | | Damaged and strengthened with CFRP deck | 0.0122 | 57.8 | 8.32 |
| | 5 | Damaged and unstrengthened | 0.0107 | 56.1 | 7.23 | | Damaged and strengthened with CFRP sheets | 0.0094 | 51 | 12.15 | | Damaged and strengthened with CFRP deck | 0.0087 | 38.3 | 28.47 |
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