Research Article

Study on Dynamic Amplification Coefficient of U-Shaped Girder Based on Vehicle-Bridge Coupling Dynamics

Table 1

Dynamic characteristics of the U-shaped girder.

No.Frequencies (Hz)Mode shapesDescriptions

13.971The 1st vertical bending

26.680The 1st lateral bending

312.670The 2nd vertical bending

412.797The 1st rotation

517.006The 2nd lateral bending