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vol.74 número152INCIDENCE OF THE EXTRACTION DIAMETER OF CONCRETE CORES IN THE DRIFTS ANALYSIS OF FRAME STRUCTURESINELASTIC MODELING OF CONCRETE FRAMES WITH NONREINFORCED MASONRY índice de autoresíndice de assuntospesquisa de artigos
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DYNA

versão impressa ISSN 0012-7353

Resumo

CARRILLO, JULIÁN  e  GONZALEZ, GIOVANNI. INFLUENCE OF NONREINFORCED MASONRY IN THE INELASTIC BEHAVIOR OF CONCRETE FRAMES. Dyna rev.fac.nac.minas [online]. 2007, vol.74, n.152, pp.217-227. ISSN 0012-7353.

The nonstructural walls can be displaced from a place to another one by variations in the use of the spaces, originating even during moderate earthquakes, a frame-infill interaction that can significantly alter the conception of the conventional designs. Therefore, it is necessary to evaluate the infills influence related to the local and global inelastic behavior of the buildings, especially when this interaction causes negative effects to the elements that conform the system. Considering the previous fact, in this paper the results of an analytical and computational investigation are presented, where the inelastic modeling of three typical buildings (of 3, 7 and 13 floors) is made, using the equivalent diagonal strut method, in order to quantify the influence (positive or negative) of the masonry infills in the local and global behavior of the constructions. Additionally, it is presented a tool that allows considering these elements during the structural analyses and design process.

Palavras-chave : Concrete frame; Masonry; Inelastic behavior; Modeling; Diagonal strut.

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