Abstract

There is a long history of wind-related problems that arise with different components of bridges. The dynamic response to wind remains to-day a vital and complex consideration in the design of long span bridges. While it is the response of the road deck that has received the most attention, other components of bridges are prone to wind-induced motion and have caused severe problems. The hangers, truss members and towers are discussed. Examples are presented and solution approaches examined. Some of the aerodynamic problems are more severe during erection than for the completed bridge. Design considerations special to the erection phase are reviewed.

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