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Wind and Structures Volume 3, Number 2, June 2000 , pages 117-132 DOI: https://doi.org/10.12989/was.2000.3.2.117 |
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Dynamic response of a bridge deck with one torsinal degree of freedom under turbulent wind |
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Dora Foti and Pietro Monaco(Italy)
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| Abstract | ||
| 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. | ||
| Address | ||
| Dora Foti and Pietro Monaco, Department of Structural Engineering, Technical University of Bari, Via Orabona 4, 70125 Bari, Italy | ||