Numerical simulations toward validating undrained conditions in Geotechnical Earthquake Engineering

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dc.contributor.advisorRestrepo Sánchez, Doriam Leidin
dc.contributor.authorGómez Zuluaga, Jesús David
dc.coverage.spatialMedellín de: Lat: 06 15 00 N degrees minutes Lat: 6.2500 decimal degrees Long: 075 36 00 W degrees minutes Long: -75.6000 decimal degreeseng
dc.creator.degreeMagíster en Ingenieríaspa
dc.creator.emailjgomezz@eafit.edu.cospa
dc.date.accessioned2017-08-02T22:36:47Z
dc.date.available2017-08-02T22:36:47Z
dc.date.issued2016
dc.description.abstractLiquefaction denotes the loss of shear resistance of granular materials due to pore pressure build up during cyclic load -- Traditionally, liquefaction is considered as an undrained phenomenon -- Consequently, pore-fluid flow is deemed nonexistent during the cyclic response of sandy soils -- This paper aims to shed light on the validity of this hypothesis by examining the response of natural structures made of saturated porous material subjected to vertically incident plane waves -- The two porous structures, i.e., (i) an alluvial basin, and (ii) a surficial topography, are analyzed under single- and double-drainage regimes -- The results are obtained using a dynamic undrained formulation and compared against an u-p scheme -- This work provides evidence on the impact of drainage conditions, incident wavefront, frequency content, and type of natural structure, on the accuracy of the no volumetric change hypothesis -- On particular, our findings show that the undrained approach exhibits a better agreement for interior topography than for surficial irregularities -- Similarly, P-incident wavefronts tend to be better represented for the undrained hypothesis than SV incident waves -- Finally, our results prove that the undrained approximation provides better estimates for single-drainage conditions than for double-flow regimesspa
dc.formatapplication/pdfeng
dc.identifier.local624.1762CD G633N
dc.identifier.urihttp://hdl.handle.net/10784/11596
dc.language.isospaspa
dc.publisherUniversidad EAFITspa
dc.publisher.departmentEscuela de Ingenieríaspa
dc.publisher.programMaestría en Ingenieríaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesseng
dc.rights.localAcceso abiertospa
dc.subjectPresión de porospa
dc.subject.keywordSoil liquefactionspa
dc.subject.keywordSurveyingspa
dc.subject.keywordWave propagationspa
dc.subject.keywordRock mechanicsspa
dc.subject.keywordPorosityspa
dc.subject.keywordEarthquake predictionspa
dc.subject.keywordSpectrum analysisspa
dc.subject.keywordFinite element methodspa
dc.subject.lembLICUEFACCIÓN DE SUELOSspa
dc.subject.lembTOPOGRAFÍAspa
dc.subject.lembPROPAGACIÓN DE ONDASspa
dc.subject.lembMECÁNICA DE ROCASspa
dc.subject.lembPOROSIDADspa
dc.subject.lembPREDICCIÓN SÍSMICAspa
dc.subject.lembANÁLISIS ESPECTRALspa
dc.subject.lembMÉTODO DE ELEMENTOS FINITOSspa
dc.titleNumerical simulations toward validating undrained conditions in Geotechnical Earthquake Engineeringspa
dc.typemasterThesiseng
dc.typeinfo:eu-repo/semantics/masterThesiseng
dc.type.hasVersionacceptedVersioneng
dc.type.localTesis de Maestríaspa

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