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Análisis pushover en tabiques sismorresistentes

Authors: Araoz, Gabriel Francisco; Isla Calderón, Facundo Andrés;

Análisis pushover en tabiques sismorresistentes

Abstract

La normativa argentina INPRES-CIRSOC 103, referente al diseño de estructuras sismorresistentes de hormigón armado, admite la incursión de la estructura en el rango no lineal, con importantes deformaciones y daño, dependiendo del nivel de ductilidad adoptado. La estructura es capaz de disipar la energía introducida por el sismo a partir de la formación de rótulas plásticas en zonas predefinidas según el mecanismo de colapso adoptado. En el caso general de pórticos, dichas zonas se ubican en extremos de vigas y en base de columnas de planta baja. En tabiques aislados en voladizo, la sección crítica corresponde a su base, mientras que, en tabiques acoplados, además, se admiten rótulas plásticas en extremos de las vigas de acoplamiento. En este trabajo se propone el estudio de un tabique acoplado, modelando el mismo a través del software comercial ANSYS, el cual permite el análisis no lineal incremental tipo “pushover”. De esta manera, se pretende verificar el nivel de ductilidad adoptado y las deformaciones últimas obtenidas según los criterios de diseño del reglamento vigente.

The INPRES-CIRSOC 103 Argentine code, referring to the design of seismic resistant concrete structures, allows the non-linear behavior of the structure, with significant strains and damage, depending on the ductility level adopted. The structure can dissipate the energy introduced by the earthquake starting from the formation of plastic hinges in predefined zones according to the adopted collapse mechanism. In the general case of frames, these zones are located at the extremes of the beams and at the base of columns on the lower floor. In cantilever walls, the critical section corresponds to the base section, while in coupled walls, also, plastic hinges are admitted at the extremes of the coupling beams. The study of a structural coupled wall is proposed in this work. Non-linear incremental static analysis (pushover) of the model through commercial software (ANSYS) and scientific open code software (PLCD) is considered. By this work, the adopted ductility level and maximum strains obtained according to the current code design criteria are being verified.

Fil: Isla Calderón, Facundo Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Estructuras "Ing. Arturo M. Guzmán"; Argentina

Fil: Araoz, Gabriel Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Estructuras "Ing. Arturo M. Guzmán"; Argentina

28º Jornadas Argentinas de Ingeniería Estructural

Asociación de Ingenieros Estructurales

Ciudad Autónoma de Buenos Aries

Argentina

Country
Argentina
Keywords

PUSHOVER, SIMULACION NUMERICA, https://purl.org/becyt/ford/2.1, https://purl.org/becyt/ford/2, TABIQUE DE HORMIGON ARMADO

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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