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Vehicle–bridge interaction and driving accident risks under skew winds
Journal of Wind Engineering and Industrial Aerodynamics ( IF 4.8 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.jweia.2021.104672
A. Camara

This paper proposes a new methodology to simulate wind fields that are non-orthogonal to the structure and to the traffic direction, and it presents the first wind–vehicle–bridge interaction (W-VBI) analysis framework to account for skew wind effects on the driving safety. The three-directional skew wind fields that are generated match well the target frequency content and correlation properties along the deck. The W-VBI methodology is applied to the study of vehicles crossing a long bridge for a wide range of wind incidence angles. It is observed that even though purely cross-winds increase the vehicle–bridge interaction, skew headwinds are more likely to cause driving accidents.



中文翻译:

偏风下车桥相互作用与驾驶事故风险

本文提出了一种模拟与结构和交通方向不正交的风场的新方法,并提出了第一个风-车-桥相互作用 (W-VBI) 分析框架,以解决偏斜风对结构和交通方向的影响。驾驶安全。生成的三向偏斜风场与甲板沿线的目标频率内容和相关属性很好地匹配。W-VBI 方法被应用于研究跨越大范围风入射角的长桥的车辆。据观察,尽管纯粹的侧风会增加车辆与桥梁的相互作用,但偏斜的逆风更容易导致驾驶事故。

更新日期:2021-06-02
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