Prediction of Wind Velocity to Raise Vortex-Induced Vibration through a Road-Rail Bridge with Truss-Shaped Girder

Table 3

Strouhal number estimation with dynamic wind tunnel test.

Experimental cases	Mean value of Strouhal number	Percent error
1	0.323	−2.989
2		0.554
3		0.721
4		1.781
5		1.119
6		0.377
7		−0.037
8		2.777
9		0.549
10		−3.279
11		1.533
12		−3.107