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Revista de Ingeniería
versão impressa ISSN 0121-4993
Resumo
CANCELADO, Román Andrés. Experimental Characterization of Practical Scale Buckling Restrained Braces under Cyclic Testing. rev.ing. [online]. 2013, n.39, pp.17-23. ISSN 0121-4993.
Cyclic testing of four 1:4 scale buckling restrained braces (BRB), built with local materials and labor are realized. The braces consist of a configuration of steel plate core, an insulating surface, filling mortar as confining material and hollow steel structural as a confinement sleeve. The force-displacement curves, the characteristic curve of the braces and the adjustment strength factors are determined and studied. It is concluded that the tests satisfy the ac-ceptance criteria for qualifying cyclic testing. There is no stiffness degradation of hysteresis loops. The cumulative inelastic axial deformation of the specimen is higher than recommended normative.
Palavras-chave : Buckling restrained braces; civil engineering; energy dissipaters; steel structures; testing.