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Degredation properties of reinforced concrete walls with openings

Carrillo, Julián and Alcocer, Sergio M. (2012) Degredation properties of reinforced concrete walls with openings. Dyna; Vol. 78, núm. 170 (2011); 106-115 DYNA; Vol. 78, núm. 170 (2011); 106-115 2346-2183 0012-7353 .

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This paper compares the performance of four isolated reinforced concrete (RC) walls with openings: two prototype walls tested under quasi-static cyclic (QSC) loading, and two models tested under shaking table excitation. The variables studied were the web steel ratio, the type of web reinforcement, and the testing method. By means of the measured response, it was verified that loading history of the QSCtesting ignores the foremost dynamic effects observed in structures subjected to earthquake loads. When dynamic and QSC responses werecompared, it was apparent that stiffness and strength degradation properties depend on the loading rate, the strength mechanisms associated to the failure modes, number of cycles, and cumulative parameters such as ductility demand and energy dissipated. We deducted that data obtained from QSC tests cannot always be safely assumed to be a lower limit of the expected capacity. Stiffness and strength degradation models for RC walls with openings subjected to earthquake-type loading are also proposed.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:degradation, stiffness, strength, concrete walls, openings, shaking table testing
Temática:6 Tecnología (ciencias aplicadas) / Technology > 62 Ingeniería y operaciones afines / Engineering
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:30553
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :30 Junio 2014 12:04
Ultima modificación:27 Noviembre 2017 22:19
Ultima modificación:27 Noviembre 2017 22:19
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