Reliability of Bridges in Turbulent Wind

by Christian G. Bucher, Univ of Innsbruck, Austria,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


The present study investigates the stability of bridge motion by means of almost sure or sample stability criteria. An asymptotically exact approximation for the top Lyapunov exponent is used in the analysis. Based on this stability criterion the randomness of environmental and structural parameters is taken into account. Reliability of the bridge model is investigated in terms of flutter type stochastic stability.

Subject Headings: Wind engineering | Bridges | Stochastic processes | Span bridges | Aerodynamic flutter | Markov process | Wind loads | Mathematical models

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