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dc.rights.licenseAtribución-NoComercial 4.0 Internacional
dc.contributor.advisorAristizabal-Ochoa, Jose Dario
dc.contributor.authorAreiza-Hurtado, Mauricio
dc.date.accessioned2020-05-05T20:55:41Z
dc.date.available2020-05-05T20:55:41Z
dc.date.issued2020-02-01
dc.identifier.citationAreiza-2020
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/77476
dc.description.abstractEste trabajo presenta un resumen de los resultados obtenidos de la investigación realizada durante los estudios de doctorado. Inicialmente la propuestra del trabajo de grado consistía en la obtención de la "Matriz de rigidez y vector de carga de una viga de Timoshenko de dos capas" (ver Capítulo 5), sin embargo se ha adjuntado a este documento otros capítulos que se encuentran intimamente relacionados y que fueron también fruto del trabajo de investigación. Los capítulos 1 y 2 presentan la formulación teórica y la verificación con ejemplos, respectivamente, de la matriz de rigidez y el vector de carga de una viga pretensada incluyendo los efectos de largo plazo. El capítulo 3 presenta el análisis de segundo orden de una viga columna sobre fundación elástica con deflección inicial y conexiones semirrigidas. Los capítulos 4, 5 y 6 presentan el análisis de una viga de Timoshenko de dos capas. En el capítulo 4 se presenta la formulación para un sólo elemento, en el capítulo 5 se presenta la derivación de la matriz de rigidez y se hace la verificación con aplicaciones al diseño de vigas mixtas de acero y concreto. Finalemnte en el capitulo 6 se usa la formulación desarrollada en el capítulo 5 para realizar el análisis de nudos adhesivados. Los capitulos 3 al 6 cuentan con el identificador único y permanente para las publicaciones electrónicas (DOI) en el encabezado de cada capítulo para una fácil referencia.
dc.description.abstractInitially, the proposal of the degree work consisted of obtaining the "Stiffness matrix and loading vector of a two-layer Timoshenko beam" (see Chapter 5 and 6), however it has been attached to this document other chapters that are closely related and that were also the result of the research work of these years. Chapters 1 and 2 present the theoretical formulation and verification with examples, respectively, of the stiffness matrix and load vector of a prestressed beam including long-term effects. Chapter 3 presents the second order analysis of a column beam on elastic foundation with initial deflection and semi-rigid connections. Chapters 4, 5 and 6 present the analysis of a two-layer Tymoshenko beam. In chapter 4 the formulation for a single element is presented, in chapter 5 the bypass of the stiffness matrix is presented and verification is made with applications to the design of mixed steel and concrete beams. Finally in chapter 6 the formulation developed in chapter 5 is used to perform the analysis of adhesive joints. Chapters 3 through 6 have the unique and permanent Digital Object Identifier (DOI) in the heading of each chapter for easy reference.
dc.description.sponsorshipColciencias
dc.format.extent146
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.rightsDerechos reservados - Universidad Nacional de Colombia
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subject.ddc620 - Ingeniería y operaciones afines::624 - Ingeniería civil
dc.titleStiffness matrix and loading vector of a two-layer Timoshenko composite beam
dc.title.alternativeMatriz de rigidez y vector de carga de una viga de Timoshenko de dos capas.
dc.typeReporte
dc.rights.spaAcceso abierto
dc.type.driverinfo:eu-repo/semantics/report
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dc.publisher.programMedellín - Minas - Doctorado en Ingeniería - Ingeniería Civil
dc.contributor.corporatenameUniversidad Nacional de Colombia - Sede Medellín
dc.contributor.researchgroupESTABILIDAD ESTRUCTURAL
dc.description.degreelevelDoctorado
dc.publisher.departmentDepartamento de Ingeniería Civil
dc.publisher.branchUniversidad Nacional de Colombia - Sede Medellín
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dc.relation.referencesP. Keo, Q.-H. Nguyen, H. S. and Hjiaj, M. (2016). Derivation of the exact stiffness matrix of shear-deformable multi-layered beam element in partial interaction. Finite Elem Anal Des, 112:40–49.
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.subject.proposalStiffnes Matrix
dc.subject.proposalCoupled systems
dc.subject.proposalTwo layer
dc.subject.proposalLoading vector
dc.subject.proposalSteel beams
dc.subject.proposalTimoshenko beam
dc.subject.proposalStiffness matrix
dc.subject.proposalTwo-layer Timoshenko beam
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