Comportamiento tensión deformación en cilindros estandar de concreto confinados con malla de metal expandido
dc.contributor.advisor | Graciano Gallego, Carlos Alberto | spa |
dc.contributor.author | Giraldo Bolivar, Orlando | spa |
dc.contributor.corporatename | Universidad Nacional de Colombia - Sede Medellín | spa |
dc.date.accessioned | 2020-09-10T21:56:32Z | spa |
dc.date.available | 2020-09-10T21:56:32Z | spa |
dc.date.issued | 2020-08-18 | spa |
dc.description.abstract | The effect of transverse or perimeter confining of concrete by a reinforcement that simulates the three-dimensional behavior of the material has been subject of research since 20th century. The results have indicated, depending on the type of confinement, that both the compressive strength in the material and the deformation are substantially modified with an increase in the load capacity of the material and its deformations in an inelastic regime. This translates into a high benefit when the seismic behavior of the structures is included in the structural design. In order to investigate this behavior and evaluate its applicability with a specific type of confinement, expanded metal mesh (MME.), It is proposed in this investigation to carry out experimental measurement and interpretation of test results on 13 cylindrical specimens 150 x 300 mm (6x12 in.) concrete with a compressive strength of f_c^'=42 MPa and a settlement of 75 mm which are confined with expanded metal mesh by varying the mesh orientation angle in 60 ° and 90 °. The results obtained indicate the resistance and the deformation are modified when the expanded metal mesh is used in the indicated orientations. | spa |
dc.description.abstract | El efecto de confinar transversal o perimetralmente el concreto mediante un refuerzo que simule el comportamiento tridimensional del material, ha sido tema de investigación desde las primeras décadas del siglo veinte. Los resultados han indicado, dependiendo del tipo de confinamiento, que tanto la resistencia a compresión del material como la deformación se modifican sustancialmente con un aumento tanto en la capacidad de carga del material como en sus deformaciones en régimen inelástico. Lo anterior se traduce en un alto beneficio cuando se incluye en el diseño estructural el comportamiento sísmico de las estructuras ya que bajo este tipo de cargas ellas pueden ingresar al régimen inelástico aumentando las deformaciones y manteniendo una resistencia confiable. Con el fin de investigar este comportamiento y evaluar su aplicabilidad con un tipo específico de confinamiento, la malla de metal expandido (MME.), se propone en esta investigación realizar la medición experimental y la interpretación de los resultados de los ensayos de 13 probetas cilíndricas de concreto de 150 x 300 mm (6x12 pulgadas) de una resistencia a compresión de f_c^'=42 MPa y un asentamiento de 75 mm las cuales se confinan con mallas de metal expandido variando el ángulo de orientación de la malla a 60° y a 90°. Los resultados obtenidos indican que tanto la resistencia como la deformación se modifican cuando se utiliza la malla de metal expandido en las orientaciones indicadas. | spa |
dc.description.degreelevel | Maestría | spa |
dc.description.project | Comportamiento tensión deformación en cilindros estándar de concreto confinados con malla de metal expandido | spa |
dc.format.extent | 70 | spa |
dc.format.mimetype | application/pdf | spa |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/78445 | |
dc.language.iso | spa | spa |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Medellín | spa |
dc.publisher.department | Departamento de Ingeniería Civil | spa |
dc.publisher.program | Medellín - Minas - Maestría en Ingeniería - Estructuras | spa |
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dc.rights | Derechos reservados - Universidad Nacional de Colombia | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.license | Atribución-SinDerivadas 4.0 Internacional | spa |
dc.rights.license | Atribución-SinDerivadas 4.0 Internacional | spa |
dc.rights.spa | Acceso abierto | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nd/4.0/ | spa |
dc.subject.ddc | 620 - Ingeniería y operaciones afines::624 - Ingeniería civil | spa |
dc.subject.proposal | Concreto confinado | spa |
dc.subject.proposal | Confined concrete | eng |
dc.subject.proposal | expanded metal mesh | eng |
dc.subject.proposal | malla de metal expandido (MME) | spa |
dc.subject.proposal | confinamiento perimetral | spa |
dc.subject.proposal | MME | eng |
dc.subject.proposal | transverse confinement | eng |
dc.subject.proposal | deformación axial | spa |
dc.subject.proposal | deformación transversal | spa |
dc.subject.proposal | axial deformation | eng |
dc.title | Comportamiento tensión deformación en cilindros estandar de concreto confinados con malla de metal expandido | spa |
dc.title.alternative | Stress and strain behavior of standard confined cilinders concrete with expanded metal mesh | spa |
dc.type | Trabajo de grado - Maestría | spa |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
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