Research Article
Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
Table 4
Comparison of vibration frequency values of composite box girder with different corrugated web thicknesses (Hz).
| | Order of frequency | 12 mm | 16 mm | 20 mm | | fx | fp | η (%) | fx | fp | η (%) | fx | fp | η (%) |
| | 1st order | 3.347 | 3.458 | 3.21 | 3.361 | 3.567 | 5.78 | 3.368 | 3.612 | 6.76 | | 2nd order | 11.672 | 12.131 | 3.78 | 11.986 | 12.771 | 6.15 | 12.158 | 13.105 | 7.23 | | 3rd order | 22.197 | 23.395 | 5.12 | 23.296 | 24.944 | 6.61 | 24.029 | 25.939 | 7.36 | | 4th order | 33.396 | 35.676 | 6.39 | 35.605 | 38.312 | 7.07 | 37.134 | 40.263 | 7.77 |
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