Wind Response Spectrum

Abstract

This paper formulates a theoretically consistent definition of the wind response spectrum based upon the equivalent wind spectrum technique, a calculation procedure by means of which wind is schematized as a stochastic stationary Gaussian process characterized by a mean velocity profile on which an equivalent turbulent fluctuation, perfectly coherent in space, is superimposed. The method presented herein allows the evaluation of the dynamic along‐wind respohse of structures, as well as of the structural behavior to the seismic ground motion, by the well‐known response spectrum technique. This procedure, parallelly applied to wind and earthquake actions, reveals significant conceptual and formal analogies, leading to results characterized by the same order of approximation.