Abstract
In Jalali and Trifunac (2009), the section PSV Spectra at Short Periods contains errors in equations (12), (13), (14), and (15), and in two places within the text. PSV T →∞ should have been PSV T →0. The affected section is reprinted here, with corrections. Full references for citations within this erratum can be found in the original article. ### PSV Spectra at Short Periods It has been shown (Trifunac and Todorovska, 1997) that the relative displacement spectra at short periods (stiff structures) for in-plane differential horizontal ground motion (predominantly P , SV , and Rayleigh waves propagating along the longitudinal axis of the structure) become constant and equal to ![Graphic][1] , where ![Graphic][2] is the peak velocity of in-plane horizontal ground motion and τ is the … [1]: /embed/inline-graphic-1.gif [2]: /embed/inline-graphic-2.gif
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