Numerical Analysis of Two I-shaped GFRP Composite Bridge with Corrugated Webs

Table 4

Mode frequencies: experimental results vs numerical predictions.

Mode no.	Shape	Experimental (Hz)	FE model (Hz)
1	Flexure	8.18	7.96
2	Torsion	12.44	14.35
3	Flexure	29.21	27.77
4	Torsion	33.81	35.77