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Behaviour of steel-fibre-reinforced normal-strength concrete slender columnsunder cyclic loading

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Behaviour of steel-fibre-reinforced normal-strength concrete slender columnsunder cyclic loading

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dc.contributor.author Caballero Morrison, Karen Elena es_ES
dc.contributor.author Bonet Senach, José Luís es_ES
dc.contributor.author Navarro Gregori, Juan es_ES
dc.contributor.author Martí Vargas, José Rocío es_ES
dc.date.accessioned 2015-02-03T11:17:02Z
dc.date.available 2015-02-03T11:17:02Z
dc.date.issued 2012
dc.identifier.issn 0141-0296
dc.identifier.uri http://hdl.handle.net/10251/46671
dc.description.abstract The inclusion of ductility requirements is necessary to guarantee the safety design of any concrete structure subjected to unexpected and/or reversal loads. It is important to outline that plastic hinges may be developed in columns of reinforced concrete buildings, especially in column-foundation joints. The deformation capacity of the column depends on its slenderness. However, few experimental tests of normal and fibre-reinforced concrete columns in the range of medium slenderness (between 5 and 10) have been performed for the case of cyclic loading. This paper presents an experimental research study on the behaviour of slender columns subjected to combinations of constant axial and lateral cyclic loads. In order to study the behaviour of this type of element fourteen experimental tests were performed. The experimental results make it possible to calibrate numerical models, and to validate simplified methods. The following variables are studied: slenderness, axial load level, transverse reinforcement ratio, and volumetric steel-fibre ratio. The maximum load and deformation capacity of the columns are analyzed. It is interesting to note that the deformation capacity depends on the four test variables analyzed. Moreover, the inclusion of steel fibres into the concrete mixture increases the deformation capacity. The inclusion of a minimum transverse reinforcement is required in order to improve the effectiveness of the steel fibres. Thus, the column behaviour suffers moderate strength losses due to cyclic loads. Finally, slenderness influences the deformation capacity if second-order effects are important, the cross-section displays ductile behaviour, and the capacity of the materials is reached. es_ES
dc.description.sponsorship The authors of this work wish to thank the research bureau of the Spanish Ministry of Science and Innovation and the Plan E, for the funding of the Project BIA 2008-03734 and BIA 2009-10207. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation Spanish Ministry of Science and Innovation and the Plan E, for the funding of the Project BIA 2008-03734 and BIA 2009-10207. es_ES
dc.relation.ispartof Engineering Structures es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Slender column es_ES
dc.subject Confined concrete es_ES
dc.subject Reinforced concrete es_ES
dc.subject Steel fibre es_ES
dc.subject Ductility es_ES
dc.subject Energy dissipation es_ES
dc.subject Strength es_ES
dc.subject Axial load es_ES
dc.subject Cyclic load es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.title Behaviour of steel-fibre-reinforced normal-strength concrete slender columnsunder cyclic loading es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.engstruct.2012.02.003
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Ciencia y Tecnología del Hormigón - Institut de Ciència i Tecnologia del Formigó es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería de la Construcción y de Proyectos de Ingeniería Civil - Departament d'Enginyeria de la Construcció i de Projectes d'Enginyeria Civil es_ES
dc.description.bibliographicCitation Caballero Morrison, KE.; Bonet Senach, JL.; Navarro Gregori, J.; Martí Vargas, JR. (2012). Behaviour of steel-fibre-reinforced normal-strength concrete slender columnsunder cyclic loading. Engineering Structures. 39:162-175. doi:10.1016/j.engstruct.2012.02.003 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.engstruct.2012.02.003 es_ES
dc.description.upvformatpinicio 162 es_ES
dc.description.upvformatpfin 175 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 39 es_ES
dc.relation.senia 223271


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