Table 1 Dynamic properties of the Taihong Bridge
From: Time-domain simulations of turbulence effects on the aerodynamic flutter of long-span bridges
Mode number | Natural frequency (Hz) | Mode shape | Mode number | Natural frequency (Hz) | Mode shape |
|---|---|---|---|---|---|
1 | 0.099 | 1st symmetric lateral bending | 11 | 0.342 | 1st antisymmetric lateral bending |
2 | 0.103 | Longitudinal floating of main girder | 12 | 0.352 | Main cables vibration |
3 | 0.137 | 1st antisymmetric vertical bending | 13 | 0.401 | Main cables vibration |
4 | 0.183 | 1st symmetric vertical bending | 14 | 0.403 | 3rd antisymmetric vertical bending |
5 | 0.246 | 2nd symmetric vertical bending | 15 | 0.447 | Main cables vibration |
6 | 0.252 | Main cables vibration | 16 | 0.451 | 1st symmetric torsion |
7 | 0.260 | Main cables vibration | 17 | 0.452 | 3rd symmetric vertical bending |
8 | 0.293 | Main cables vibration | 18 | 0.457 | Main cables vibration |
9 | 0.298 | 2nd antisymmetric vertical bending | 19 | 0.491 | 1st antisymmetric torsion |
10 | 0.335 | Main cables vibration | 20 | 0.496 | Main cables vibration |