钝体钢箱梁气动措施组合的涡振控制效果

魏宇翔,李加武,罗宇昆

Suppression of vortex-induced vibration with combined aerodynamic measures for bluff-body steel box girders

Yuxiang WEI,Jiawu LI,Yukun LUO

表 4 组合措施和对应单一措施的扭转涡振峰值振幅

Tab.4 Compares peak amplitudes of torsional vortex-induced vibration for combined measures and their individual measures

措施类型 L型导流板 上中央稳定板 Nmax/（°） 组合A 0.067B 0.4H 0.02189 单一 0.067B — 0.06720 单一 — 0.4H 0.74920 组合B 0.102B 0.2H 0.58970 单一 0.102B — 0.48000 单一 — 0.2H 0.74420