FLUTTER CHARACTERISTICS OF SLENDER GIRDERS WITH CENTER BARRIERS

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  • センターバリア付き扁平断面のフラッター特性

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Nowadays suspension bridges tend to be long-spanned with the background of the development on wind-resistant engineering. But so many physical problems are still left in the design, and especially, flutter phenomena are the major and serious ones because they are classified into divergent oscillations. Therefore, it is essential to classify flutter instabilities associated to the geometrical shapes of the bridge girders. In this paper, heaving branch coupled flutter for fundamental girders with center barriers is discussed from the point of its generating mechanisms.

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