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SUMMARY This paper presents an approximate method for the seismic performance evaluation of asymmetric building structures. The method is based on a non-linear pushover analysis, the transformation of the capacity curve into a behavior curve of an equivalent single degree of freedom system, the evaluation of its maximum response to a given seismic demand and the back transformation of the response to the original structure. In the application of the pushover analysis, the structure is pushed in two orthogonal directions with lateral forces with distributions and proportions defined as recommended by the current code. The potentiality of the proposed method to estimate seismic performance of asymmetric buildings is shown when the approximate results for two illustrative examples are compared with those obtained with “true” non-linear step by step analyses.

MÉTODO SIMPLIFICADO DE EVALUACIÓN SÍSMICA DE EDIFICIOS ASIMÉTRICOS