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 Cyclic behavior of a two-span RC beam built with plain reinforcing bars
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5841

title: Cyclic behavior of a two-span RC beam built with plain reinforcing bars
authors: Fernandes, Catarina
Melo, José
Varum, Humberto
Costa, Aníbal
keywords: Existing RC structures
Plain reinforcing bars
Concrete-steel bond
Cyclic test
Plastic hinges
Energy dissipation
issue date: 2011
publisher: Budapest University of Technology and Economics
abstract: Reinforced concrete structural elements lacking appropriate seismic detailing and built with plain reinforcing bars, and subjected to cyclic loads like the ones induced by earthquakes, are particularly sensitive to the bond-slip mechanism. Though, existing studies on the cyclic behavior of RC structures generally refer to elements with deformed bars. As a result, the behavior of elements with plain bars is not yet fully understood. In this framework, the cyclic behavior of a two-span RC beam built with plain reinforcing bars, collected from an ancient building structure, was investigated. The support and loading conditions observed in-situ were simulated in the test setup. The beam displayed a flexural failure and the damage was concentrated in three short plastic hinges. The poor damage distribution evidences the effects of the bar slippage mechanism on the beam behavior
URI: http://hdl.handle.net/10773/5841
ISSN: 0553-6626
source: Periodica Polytechnica - Civil Engineering
appears in collectionsCIVIL - Artigos

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