Rain-wind induced vibrations of cables in laminar and turbulent flow

被引:14
作者
Peil, U. [1 ]
Dreyer, O. [1 ]
机构
[1] Tech Univ, Inst Steel Struct, Braunschweig, Germany
关键词
cable vibration; rain; wind; numerical simulation; aeroelastic instability;
D O I
10.12989/was.2007.10.1.083
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In the last decades there have been frequent reports of oscillations of slender tension members under simultaneous action of rain and wind - characterized by large amplitudes and low frequencies. The members, e.g. cables of cable-stayed bridges, slightly inclined hangers of arch bridges or cables of guyed-masts, show a circular cross section and low damping. These rain-wind induced vibrations negatively affect the serviceability and the lifespan of the structures. The present article gives a short literature review, describes a mathematical approach for the simulation of rain-wind induced vibrations, sums up some examples to verify the calculated results and discusses measures to suppress the vibrations.
引用
收藏
页码:83 / 97
页数:15
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