Study on the Effect and Mechanism of Aerodynamic Measures for the Vortex-Induced Vibration of Separate Pairs of Box Girders in Cable-Stayed Bridges

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Wind attack<br/> angle (deg.)</td><td align="center">Velocity lock-in region</td><td align="center" rowspan="2">Amplitude <br/>of VIV (mm)</td></tr><tr class="thead"><td align="center">Wind speed of actual bridge (m/s)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">3</td><td align="center">8.37–11.47, 21.7–31.31</td><td align="center">124.955, 164.744</td></tr><tr><td align="left">0</td><td align="center">8.99–11.47, 21.70–25.42</td><td align="center">124.955, 164.744</td></tr><tr><td align="left">−3</td><td align="center">8.99–11.47, 18.6–25.73</td><td align="center">114.093, 205.960</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Characteristics of the VIV of the bridge.

Shock and Vibration

tab3

Table 3

Table 3: Study on the Effect and Mechanism of Aerodynamic Measures for the Vortex-Induced Vibration of Separate Pairs of Box Girders in Cable-Stayed Bridges 

Table 3 | Study on the Effect and Mechanism of Aerodynamic Measures for the Vortex-Induced Vibration of Separate Pairs of Box Girders in Cable-Stayed Bridges 