Aerodynamics of two edge girders for long-span cable-stayed bridges

被引：0
|
作者：
Matsumoto, M [1 ]
Araki, K [1 ]
Daito, Y [1 ]
机构：
[1] Kyoto Univ, Dept Global Environm Engn, Kyoto, Japan
来源：
FLOW-INDUCED VIBRATION | 2000年
关键词：
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The aim of this study is to obtain a series of fundamental data on aerodynamic characteristics of two edge girders, such as Butter instability and vortex-induced vibration. Two edge girders have, in general, structural and economical advantages for long span cable-stayed bridges. The effect of geometrical shape of girders, their location and incidence angle of flow on the two-edge girders aerodynamics was investigated by a series of wind tunnel tests. Aerodynamic derivatives, associated with Butter instability, are obtained by IDOF heaving/torsional forced vibration method. Furthermore, Flutter mechanism is investigated by unsteady pressure measurement under IDOF heaving/torsional forced vibration.
引用
收藏
页码：149 / 156
页数：8
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