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 shapes | Descriptions |
| 1 | 3.971 | | The 1st vertical bending |
| 2 | 6.680 | | The 1st lateral bending |
| 3 | 12.670 | | The 2nd vertical bending |
| 4 | 12.797 | | The 1st rotation |
| 5 | 17.006 | | The 2nd lateral bending |
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