Experimental Research on Span Direction Effect of Vortex-Induced Vibration of Bridge Main Girder Based on Symmetric Algorithm

Table 3

Wind speed selection table for spanwise correlation analysis of lift coefficient during vortex vibration.

Vibration state	First lock	First lock	First lock	First lock	First lock	Second lock	Second lock
Description	Zone starting point	Area ascending section	Area maximum point	Descent section	Zone end point	Area ascending section	Area maximum point
Wind speed (m/s)	1.52	2.52	2.42	2.52	2.95	5.10	5.75
Vertical immeasurable	8.2451	11.2541	12.6253	12.7541	13.5423	24.2235	28.1542
Gang wind speed	9.1557	11.1524	12.1320	12.2512	12.7541	23.1142	28.1532
Vertical immeasurable	0.0101	0.0320	0.1202	0.2152	0.0001	0.0323	0.0215
Amplitude	0.1020	0.3320	0.1200	0.4155	0.0011	0.0521	0.1362