Research Article
Nonlinear Pounding Analysis of Multispan and Simply Supported Beam Bridges Subjected to Strong Ground Motions
Table 1
Natural frequencies and modes.
| | Orders of modes | Frequency (Hz) | Mode |
| | 1 | 3.598 | Antisymmetric longitudinal vibration | | 2 | 6.813 | Symmetric longitudinal vibration | | 3 | 7.849 | First-order antisymmetric vertical bending vibration | | 4 | 8.102 | First-order symmetric vertical bending vibration | | 5 | 8.933 | Second-order symmetric vertical bending vibration | | 6 | 10.524 | Second-order antisymmetric vertical bending vibration |
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