Abstract

This paper examines the use of aerofoil solutions to predict the vertical component of the response of slender bridges to excitation by atmospheric turbulence. Wind-tunnel experiments are described which validate the use of aerofoil solutions for the computation of aerodynamic damping, and support the concept of separate computation of chordwise and spanwise terms in the spectral admittance. The application to a representative range of bridges is presented together with a simple formula for use at the design stage to indicate if a detailed study is required.

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