Relación carga - Convergencia para túneles en suelos

dc.contributor.advisorHernández Rodríguez, Félixspa
dc.contributor.authorDíazgranados Beltrán, Jasson Alejandrospa
dc.date.accessioned2021-01-15T20:00:36Zspa
dc.date.available2021-01-15T20:00:36Zspa
dc.date.issued2019spa
dc.description.abstractEste documento muestra el desarrollo de la simulación numérica de la construcción de un túnel superficial, excavado con máquina tuneladora tipo TBM de doble escudo en una arcilla blanda, cuyo comportamiento es representado adecuadamente por el modelo de endurecimiento del suelo con variación de rigidez al corte a bajas deformaciones. La simulación consistió de cinco modelos tridimensionales desarrollados en Plaxis 3D, en los que se obtuvieron resultados de esfuerzos principales y convergencias radiales en una sección de control para diferentes posiciones del frente de excavación. La toma de datos se realizó en tres puntos ubicados en la solera, la clave y la pared de túneles con distintas rigideces de revestimiento. Con los resultados obtenidos se analizó la variación de las convergencias radiales y los esfuerzos principales en función de la distancia entre el frente de excavación y la sección de control establecida. Se analizaron las trayectorias de esfuerzos con el criterio de falla de Mohr-Coulomb y se interpretó la relación entre los esfuerzos principales y las convergencias desarrolladas durante la excavación de cada túnel.spa
dc.description.abstractThis document presents the development of the numerical shallow tunnel construction's simulation excavated with double shield TBM in soft clay, whose behavior is adequately represented by the Hardening Soil Model Small Strain Stiffness. The simulation is based on five three-dimensional models using Plaxis 3D, in which principal stresses and radial convergences were obtained in a control section for different positions of the excavation face. Data collection was carried out through three points located in the invert, the crown and the walls in tunnels with different stiffness of the lining. Radial convergences and principal stresses were subjected to analysis as a distance's function between the heading and the control section. Furthermore, there were two analysis on each tunnel, the stress paths were analyzed with Mohr-Coulomb criterion, likewise the principal stresses' relationship with the convergences.spa
dc.description.degreelevelMaestríaspa
dc.format.extent60spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/78776
dc.language.isospaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Geotecniaspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afinesspa
dc.subject.proposalSimulación numéricaspa
dc.subject.proposalTBMeng
dc.subject.proposalTBMspa
dc.subject.proposalNumerical simulationeng
dc.subject.proposalShallow tunneleng
dc.subject.proposalvariación de convergencia radial en función de la distancia al frente de excavaciónspa
dc.subject.proposalTúnel superficialspa
dc.subject.proposalConvergence-confinement methodeng
dc.subject.proposalHardening soil modeleng
dc.subject.proposalMétodo convergencia - confinamientospa
dc.subject.proposalLongitudinal displacement profileeng
dc.subject.proposalModelo de endurecimiento por deformaciónspa
dc.titleRelación carga - Convergencia para túneles en suelosspa
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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