Aerodynamics of Two Edge-Girders for Long Span Cable-stayed Bridges

DOI

Bibliographic Information

Other Title
  • 長大斜張橋に適用する端２主桁基本断面の空力振動特性に関する実験的研究

Abstract

This paper describes the fundamental aerodynamic characteristics of two edge girders, which have economical and structural advantages for future long span cable stayed bridges. Especially, for the purpose of the aerodynamic stabilization of two edge girders, the aerodynamic effects of the inclined lower flanges of two-edge girders are investigated by a series of wind tunnel tests, such as the measurement of unsteady aerodynamic forces and free vibration tests. As one of conclusions, it was clarified that the geometrical girder shapes and the location of girders sensitively affect on the characteristics of the vortex-induced oscillation and the flutter instability of two edge girders, especially, the inclined lower flanges with two edge girders play an important role on characterizing the aerodynamic stabilization of two edge girders and assist the aerodynamic stability.

Journal

Details 詳細情報について

  • CRID
    1390282680570275840
  • NII Article ID
    130004603392
  • DOI
    10.11345/japannctam.54.0.192.0
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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