Propuesta metodológica para el ajuste de una red de fracturas discretas (DFN) a partir de fotogrametría de corto alcance

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dc.contributor.advisorBeltrán Calvo, Gloria Inés
dc.contributor.advisorHernández Carrillo, Rodrígo
dc.contributor.authorRosada González, Omar Andrés
dc.contributor.researchgroupGRUPO DE INVESTIGACIÓN EN GEOTECNIA - GIGUNspa
dc.date.accessioned2021-10-11T14:17:30Z
dc.date.available2021-10-11T14:17:30Z
dc.date.issued2021-10-08
dc.descriptionilustraciones, gráficas, tablasspa
dc.description.abstractEl comportamiento cinemático de un talud rocoso esta supeditado de manera primaria a las propiedades geométricas de las discontinuidades en macizos rocosos de poca altura (alrededor a 100 metros de alto). Un método numérico que es capaz de simular estas propiedades es el de las redes de fracturas discretas (DFN). Los parámetros primarios que son necesarios para la modelación de una DFN son: dirección, tamaño, porcentaje de terminación e intensidad de las discontinuidades. En esta investigación, se explora qué tan susceptible es un modelo de DFN ante la presencia de datos que direccionalmente clasifican como discordantes, para esto fue necesario la elaboración de un código escrito en Matlab que permite estudiar estos datos utilizando criterios estadísticos, tomados de la estadística direccional en coordenadas esféricas. Adicionalmente se propone una metodología que plantea una manera de analizar e interpretar este tipo de información y de esta forma, poder evaluar el nivel de representación de las discontinuidades simuladas respecto a las condiciones que tienen las mismas in-situ para tres casos de estudio, utilizando un equipo de fotogrametría de corto alcance para la caracterización de las fracturas. Finalmente se proponen una serie de temas que pueden ser considerados en futuras investigaciones relacionadas con este tema de investigación. (Texto tomado de la fuente).spa
dc.description.abstractThe kinematic rock slope behavior is subject mainly to joint geometric properties in rock masses of low height (around 100mhigh). TheDiscrete FractureNetwork (DFN) is a numerical method that can simulate this kind of property. The primary properties that are necessary for modeling a DFN are the following: orientation, fracture length, termination percentage, and fracture intensity. This research, try to prove how sensitive is a DFN model when it has directional outlier data, because of this, it was necessary to write a code in Matlab that is able to study this data using statistical analysis of spherical data. Also, this research proposes a methodology based on how to handle this kind of information and in this way, evaluate how representative is the joint simulation respect to in-situ rock joint in three study cases, using close-range photogrammetric equipment. Finally, it is proposed a set of topics that could be considered in future research.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ingeniería - Geotecniaspa
dc.description.notesIncluye anexos
dc.description.researchareaModelación y análisis en geotecniaspa
dc.description.sponsorshipUniversidad Nacional de Colombiaspa
dc.format.extentxix, 174 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/80477
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Ingeniería Civil y Agrícolaspa
dc.publisher.facultyFacultad de Ingenieríaspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Geotecniaspa
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dc.relation.referencesZhang, L. and Einstein, H. H. (2000). Estimating the intensity of rock discontinuities. International Journal of Rock Mechanics and Mining Sciences, 37(5):819–837.spa
dc.relation.referencesZheng, H., Liu, D. F., and Li, C. G. (2005). Slope stability analysis based on elasto-plastic finite element method. International Journal for Numerical Methods in Engineering, 64(14):1871–1888.spa
dc.relation.referencesZúñiga, J., Pairoa, S., and Becerra, J. (2012). Generación de Modelos Tridimensionales a partir de Fotogrametría , Aplicaciones en Geología Estructural. pages 1–3spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseReconocimiento 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afines::624 - Ingeniería civilspa
dc.subject.lembPetrology - techniqueeng
dc.subject.lembPetrología - Técnicaspa
dc.subject.lembRock mechanicseng
dc.subject.lembMecánica de rocasspa
dc.subject.lembRock slopeseng
dc.subject.lembTaludes rocososspa
dc.subject.proposalDiscontinuidadesspa
dc.subject.proposalRedes de fracturas discretasspa
dc.subject.proposalDFNeng
dc.subject.proposalFracmaneng
dc.subject.proposalFotogrametría de corto alcancespa
dc.subject.proposalFishereng
dc.subject.proposalEstadística direccional en coordenadas esféricasspa
dc.subject.proposalShapeMetrixeng
dc.subject.proposalSlopeseng
dc.subject.proposalRock mechanicseng
dc.subject.proposalRockeng
dc.subject.proposalJointseng
dc.subject.proposalDirectional statistics on spherical coordinateseng
dc.subject.proposalClose-range photogrammetryeng
dc.subject.proposalTaludesspa
dc.subject.proposalRocasspa
dc.titlePropuesta metodológica para el ajuste de una red de fracturas discretas (DFN) a partir de fotogrametría de corto alcancespa
dc.title.translatedMethodological proposal for the adjustment of a discrete fracture network (DFN) from short-range photogrammetryeng
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.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audience.professionaldevelopmentPúblico generalspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.awardtitleCaracterización de macizos rocosos mediante técnicas de análisis de imágenes tridimensionales para análisis de estabilidad en taludes vialesspa
oaire.fundernameUniversidad Nacional de Colombiaspa

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