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