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A device for suppressing wake galloping of stay-cables for cable-stayed bridges
AbstractAn experimental study of wake galloping of a pair of parallel stay-cables for cable-stayed bridges was conducted in two wind tunnels to develop a new device for suppressing the instability. In its early stage, the following device was examined: A pair of parallel cables is connected rigidly to each other with spacers so that the cables form a SINGLE MEMBER with or without a GAP between the cables. It was determined from the tests that the member without a gap is stable for all wind angles of attack with the exception being around 5 deg.Based on the experimental results, an alternative device was developed consisting of a pair of cables stranded helically. The strand was found to be stabilized aerodynamically as only a small portion of the cables is exposed to the unstable wind angles of attack around 5 deg.
A device for suppressing wake galloping of stay-cables for cable-stayed bridges
AbstractAn experimental study of wake galloping of a pair of parallel stay-cables for cable-stayed bridges was conducted in two wind tunnels to develop a new device for suppressing the instability. In its early stage, the following device was examined: A pair of parallel cables is connected rigidly to each other with spacers so that the cables form a SINGLE MEMBER with or without a GAP between the cables. It was determined from the tests that the member without a gap is stable for all wind angles of attack with the exception being around 5 deg.Based on the experimental results, an alternative device was developed consisting of a pair of cables stranded helically. The strand was found to be stabilized aerodynamically as only a small portion of the cables is exposed to the unstable wind angles of attack around 5 deg.
A device for suppressing wake galloping of stay-cables for cable-stayed bridges
Yoshimura, T. (author) / Savage, M.G. (author) / Tanaka, H. (author) / Wakasa, T. (author)
Journal of Wind Engineering and Industrial Aerodynamics ; 49 ; 497-505
1993-01-01
9 pages
Article (Journal)
Electronic Resource
English
A device for suppressing wake galloping of stay-cables for cable-stayed bridges
| British Library Conference Proceedings | 1993
A device for suppressing wake galloping of stay-cables for cable-stayed bridges
| Online Contents | 1994
| British Library Online Contents | 1994
| British Library Online Contents | 1998