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Ingeniería sísmica
versão impressa ISSN 0185-092X
Resumo
TENA COLUNGA, Arturo; CANO LICONA, Jesús; LOPEZ BLANCAS, Arturo e PEREZ OSORNIO, Miguel Ángel. Revisión y actualización del método simplificado de análisis de estructuras de mampostería de los reglamentos de diseño sísmico de México. Ing. sísm [online]. 2010, n.82, pp.1-34. ISSN 0185-092X.
The simplified method for the seismic analysis (SMSA) and design for low-rise masonry structures with rigid diaphragms allowed by Mexican Building Codes is frequently used in the design practice of Mexico. In this paper, the most relevant aspect of a comprehensive research study devoted to do an in-depth review of the SMSA is presented. This research has allowed updating the SMSA. Based on extensive parametric studies, effective shear area factors (FAE) originally proposed in the SMSA are modified to improve the estimates of shear forces using this method. New FAE are proposed for three different performance levels for the structure, as well as their corresponding limit for a computed static torsional eccentricity in plan (es). This updated version of the SMSA is already included in the seismic recommendation of the new Manual of Civil Structures (MOC-2008), a model seismic code of Mexico.
Palavras-chave : confined masonry; static eccentricity; torsion; structural performance; simplified method of seismic analysis.