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 girdersType of composite bridgesMidspan deflection
(m)
Max. principal stress
(MPa)
Fatigue life ( )
(×106 cycles)

3Unstrengthened0.01578.525.19
Strengthened with CFRP sheets0.01346838.87
Strengthened with CFRP deck0.009835.5278.13

5Unstrengthened0.009747.5112.24
Strengthened with CFRP sheets0.008239.5200.39
Strengthened with CFRP deck0.007727.5572.69