Dynamic Wind Loads

Committee on Cable-Stayed Bridges of ASCE

Part of: Guidelines for the Design of Cable-Stayed Bridges


This chapter is concerned with the motions of cable stayed bridges that arise as a result of wind action. The aerodynamic phenomena that must be considered are vortex shedding, torsional instability or flutter, buffeting, and galloping. Intermediate and long span bridges, as well as short span pedestrian bridges are prone to wind induced motion problems and the design of such bridges must include an aerodynamic investigation. The main component of the investigation would generally be wind tunnel study using a reduced scale model.

Subject Headings: Wind loads | Bridge components | Bridge design | Foot bridges | Span bridges | Cable stayed bridges | Cables | Aerodynamic flutter


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