Author(s)

G. Barbetti, R. Nudo & G. Sara

Abstract

This paper presents a parametric investigation aimed at the evaluation of perturbations induced on response of R.C. columns belonging to frame structures subjected to seismic actions by geometrical and mechanical factors disregarded in usual structural analyses. In particular the survey concerns the effects caused by the two-dimensional nature of members and joints in the plane of the frame as well as the disturbances due to irregularities present throughout the column length connected to discontinuities in dimensional characteristics of members, reinforcement splices and casting modalities. 1 Introduction The success of aseismic design procedures is guaranteed not only by the adequacy of mechanical characteristics of both materials and structural elements but also by the actual achiev

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