Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
On aerodynamic stability of double-decked/trussed girder for cable-stayed “Higashi-Kobe Bridge”
AbstractA cable-stayed, double-decked/trussed girder construction employed for a project known as “Higashi-Kobe Bridge” now in the final design stage was analyzed in advance for its aerodynamic stability by testing its models in a wind tunnel. The projected composite bridge girder configuration, though found stable against vortex-induced or flutter oscillation, seemed liable to heavily buffet in the gust of natural wind. Further studied experimentally and by numerical analysis of air-flow and pressure distributions to explore the mechanism producing the buffeting oscillation, a solid (closed) parapet system instead of a post-type (open) parapet arrangement originally employed was chosen as more effective in stabilizing the bridge against the buffeting oscillation.
On aerodynamic stability of double-decked/trussed girder for cable-stayed “Higashi-Kobe Bridge”
AbstractA cable-stayed, double-decked/trussed girder construction employed for a project known as “Higashi-Kobe Bridge” now in the final design stage was analyzed in advance for its aerodynamic stability by testing its models in a wind tunnel. The projected composite bridge girder configuration, though found stable against vortex-induced or flutter oscillation, seemed liable to heavily buffet in the gust of natural wind. Further studied experimentally and by numerical analysis of air-flow and pressure distributions to explore the mechanism producing the buffeting oscillation, a solid (closed) parapet system instead of a post-type (open) parapet arrangement originally employed was chosen as more effective in stabilizing the bridge against the buffeting oscillation.
On aerodynamic stability of double-decked/trussed girder for cable-stayed “Higashi-Kobe Bridge”
Saito, T. (Autor:in) / Shiraishi, N. (Autor:in) / Ishizaki, H. (Autor:in)
Journal of Wind Engineering and Industrial Aerodynamics ; 33 ; 323-332
01.01.1990
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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