Respuesta sísmica de muros de mamposteria no reforzada sometidos a aceleraciones perpendiculares a su plano
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Universidad de Puerto Rico
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En este artículo se propone un modelo para estimar la resistencia sísmica de muros en mampostería no reforzada ante aceleraciones perpendiculares a su plano. Para esta estimación se estudiaron y modelaron diferentes mecanismos de comportamiento del sistema: flexión horizontal, flexión vertical y flexión biaxial, las cuales dependen de las condiciones de sujeción del muro. Los resultados de los modelos matemáticos propuestos se validaron con ensayos a escala real en siete prototipos sometidos a aceleraciones perpendiculares al plano de los muros, en la mesa vibradora de la Universidad EAFIT, Medellín Colombia. Las estimaciones resultantes de aplicar los modelos matemáticos concuerdan muy bien con los resultados obtenidos en los ensayos.
A model to estimate the seismic resistance of unreinforced masonry walls subjected to out of plane acceleration is proposed in this article. Three different bending mechanisms were studied and modeled for the seismic resistance estimation: horizontal, vertical and biaxial bending, which depend on the edge fixing conditions. The seismic resistance estimated with the proposed mathematical models was validated by means of tests performed on seven different prototypes subjected to out-of-plane acceleration at the shaking table of the EAFIT University, in Medellín, Colombia. The seismic resistance obtained with the mathematical models agrees very well with the results obtained from the tests conducted on the prototypes.
A model to estimate the seismic resistance of unreinforced masonry walls subjected to out of plane acceleration is proposed in this article. Three different bending mechanisms were studied and modeled for the seismic resistance estimation: horizontal, vertical and biaxial bending, which depend on the edge fixing conditions. The seismic resistance estimated with the proposed mathematical models was validated by means of tests performed on seven different prototypes subjected to out-of-plane acceleration at the shaking table of the EAFIT University, in Medellín, Colombia. The seismic resistance obtained with the mathematical models agrees very well with the results obtained from the tests conducted on the prototypes.
Palabras clave
Muros de mampostería no reforzada, Resistencia perpendicular al plano, Out-of-plane resistance, Unreinforced masonry walls.
Citación
Jaramillo, J. D., Morales, M., & Hincapié, G. (2008). Respuesta sísmica de muros de mamposteria no reforzada sometidos a aceleraciones perpendiculares a su plano. Revista internacional de desastres naturales, accidentes e infraestructura civil, 8(2), 183-200.