Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis of Natural Vibration Characteristics of the Bridge.
| Order | Calculated Frequency (Hz) | Period (s) | Description of Vibration Mode |
|---|---|---|---|
| 1 | 0.686 | 1.457 | Transverse Vibration of Bridge Tower + Transverse Bending of Beam |
| 2 | 0.752 | 1.330 | Anti-symmetric Transverse Vibration of Bridge Tower + Transverse Bending of Beam |
| 3 | 0.8702 | 1.149 | Longitudinal Drift of the Beam |
| 4 | 0.8852 | 1.130 | First-order Symmetric Vertical Bending |
| 5 | 1.1352 | 0.881 | First-order Symmetric Transverse Bending |
