Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder

Table 5

Comparison of vibration frequency values of composite box girder with different cantilever lengths (Hz).

Order of frequency	ab = 0			ab = 1.5 m
	fx	fp	η (%)	fx	fp	η (%)
1st order	4.056	4.217	0.161	3.347	3.458	0.111
2nd order	14.335	15.008	0.673	11.672	12.131	0.459
3rd order	27.651	29.172	1.518	22.197	23.395	1.198
4th order	41.987	44.528	2.541	33.396	35.676	2.280