Techno Press
Techno Press

Wind and Structures   Volume 3, Number 2, June 2000, pages 117-132
Dynamic response of a bridge deck with one torsinal degree of freedom under turbulent wind
Dora Foti and Pietro Monaco(Italy)

Abstract     [Full Text]
    Under special conditions of turbulent wind, suspension and cable-stayed bridges could reachrninstability conditions. In various instances the bridge deck, as like a bluff body, could exhibit single-degreerntorsional instability. In the present study the turbulent component of flow has been considered as arnsolution of a differential stochastic linear equation. The input process is represented by a Gaussian zero-meanrnwhite noise. In this paper the analytical solution of the dynamic response of the bridge has beenrndetermined. The solution has been obtained with a technique of closing on the order of the moments.
Key Words
    turbulent wind; stochastic analysis; Gaussian processes; bridges.
Dora Foti and Pietro Monaco, Department of Structural Engineering, Technical University of Bari, Via Orabona 4, 70125 Bari, Italy

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