Research Article
Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
Table 1
Comparison of vibration frequency values of composite box girder (Hz).
| Order of frequency | Methods in this paper | Methods of finite element | Timoshenko beam theory | Contribution of shear lag (%) |
| 1st order | 3.347 | 3.485 | 3.418 | 2.08 | 2nd order | 11.672 | 11.840 | 12.297 | 4.92 | 3rd order | 22.197 | 21.825 | 23.852 | 6.94 | 4th order | 33.396 | 30.312 | 36.233 | 7.83 |
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