Browsing by Subject "Residus radioactius -- Emmagatzematge"
Now showing items 1-20 of 43
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A multi-scale insight into gas transport in a deep Cenozoic clay
(2022-09)
Article
Open AccessThe migration of gases is crucial to ensure the long-term feasibility of argillaceous formations for the deep disposal of radioactive waste. This paper presents an experimental investigation with a multi-scale perspective ... -
Analysis of a full scale in situ test simulating repository conditions
(Wiley, 1998)
Article
Open AccessCoupled thermo-hydro-mechanical (THM) analyses have been used to examine the interacting phenomena associated with the simultaneous heating and hydration of an engineered bentonite barrier placed in a drift excavated in ... -
Analysis of the hydration of an unsaturated seal
(American Society of Civil Engineers (ASCE), 2018)
Conference report
Restricted access - publisher's policyThe paper contains a coupled numerical analysis of the hydration of a potential sealing system for isolating shafts, ramps, and connecting galleries in a deep geological repository for high level nuclear waste. The modeling ... -
Applications of multiphysical geomechanics in underground nuclear waste storage
(Lavoisier Éditions, 2009)
Article
Open AccessDeep geological disposal in suitable host rocks is the favoured strategy for the storage and disposal of heat-emitting high level nuclear waste. A rational design of repositories requires a good understanding of the ... -
Barreres argiloses per l'aïllament geològic profund de residus
(Universitat Politècnica de Catalunya, 2007-10)
Minor thesis
Open AccessUn dels problemes més grans entre els quals s’enfronta l’ús de l’energia nuclear és el plantejat per la gestió definitiva dels residus radioactius d’alta activitat que es generen en el cicle del combustible a les centrals ... -
Capabilities and requirements of numerical models
(2009-10-26)
Research report
Open AccessDeliverable 11 -
Coupled analysis of a backfill hydration test
(Wiley, 1998)
Article
Open AccessBACCHUS2 in situ isothermal wetting experiment has been analysed by means of a coupled flow-deformation approach. Backfill material, a mixture of Boom clay powder and high density pellets, has been extensively tested in ... -
Coupled THM analysis of a full-scale test for high-level nuclear waste and spent fuel disposal under actual repository conditions during 18 years of operation
(2022-01-01)
Article
Open AccessThis study focuses on the thermo-hydro-mechanical (THM) analysis of the behaviour of a full-scale engineered barriers experiment designed to study the long-term response of a disposal concept for high-level radioactive ... -
Desarrollo del Análisis Probabilista de Seguridad (APS) de la piscina de combustible gastado de una central nuclear de agua a presión
(Universitat Politècnica de Catalunya, 2010-03)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Desarrollo del APS nivel I de la piscina de combustible gastado de una central nuclear de tipo PWR
(Universitat Politècnica de Catalunya, 2012-06)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl Proyecto Final de Carrera “Desarrollo del APS nivel I de la piscina de combustible gastado de una central nuclear de tipo PWR” se enmarca en un convenio de colaboración entre una central nuclear y el Departament de ... -
Effect of thermo-coupled processes on the behaviour of a clay barrier submitted to heating and hydration
(2010)
Article
Open AccessThe storage of high level radioactive waste is still an unresolved problem of the nuclear industry, being geological disposal the most favoured option and, naturally, the one requiring the strongest geo-mechanical input. ... -
Effect of thermo-hydro-mechanical coupling on the evolution of stress in the concrete liner of an underground drift in the Cigéo project
(Institute of Physics (IOP), 2021-09)
Article
Open AccessThe French National Radioactive Waste Management Agency (Andra) is in charge of studying the disposal of high-level and intermediate-level long-lived waste (HLW and ILW-LL) in a deep geological repository (Cigéo project) ... -
Estudio de la evolución del óxido de uranio (IV) en condiciones relevantes para el almacenamiento geológico profundo (AGP) mediante espectroscopia fotoelectrónica de rayos X (XPS)
(Universitat Politècnica de Catalunya, 2012-06)
Master thesis (pre-Bologna period)
Restricted access - author's decisionLa generación de productos radiolíticos del agua, debido a la radiación α emitida por el combustible nuclear gastado (CNG), es un fenómeno clave que produce agentes oxidantes y reductores cerca del CNG. En el presente ... -
Estudio de seguridad radiologica de una instalación de Almacenamiento Temporal Centralizado (ATC) de combustible gastado y residuos de alta actividad
(Universitat Politècnica de Catalunya, 2010-03)
Master thesis (pre-Bologna period)
Open AccessEl presente proyecto final de carrera titulado “Estudio de Seguridad Radiológica de una Instalación de Almacenamiento Temporal Centralizado (ATC) de Combustible Gastado y Residuos de Alta Actividad” se enmarca en el convenio ... -
Estudio piloto para el análisis del riesgo asociado a un Almacén Temporal Individualizado. Aplicación de la metodología APS
(Universitat Politècnica de Catalunya, 2012-06)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl Proyecto Final de Carrera “Estudio piloto para el análisis del riesgo asociado a un Almacén Temporal Individualizado. Aplicación de la metodología APS” se enmarca en un convenio de colaboración entre una central nuclear ... -
Expansive bentonite–sand mixtures in cyclic controlled-suction drying and wetting
(Elsevier, 2005)
Article
Open AccessExpansive clay buffers in radioactive waste disposal designs experience cyclic drying and wetting paths during different stages of their design life. Clayey soils subjected to these processes develop swelling and shrinkage ... -
Experimental investigation into temperature effect on hydro-mechanical behaviours of bentonite
(Science Press, 2010)
Article
Open AccessThe bentonite barrier of underground repositories for high-level radioactive waste will be hydrated by the groundwater while it is subjected to high temperatures due to the radioactive decay of the wastes. These changes ... -
Experimental results on the effect of temperature on the hydromechanical behaviour of bentonite
(2009)
Conference report
Restricted access - publisher's policy -
Factors controlling rock–clay buffer interaction in a radioactive waste repository
(Elsevier, 2002)
Article
Open AccessThe paper examines the interaction between host rock and a clay-based engineered barrier in the context of deep underground disposal of high-level radioactive waste. A large scale ‘‘in situ’’ heating test currently under ... -
Formulation for the THMC analysis of clayey materials: application to radioactive waste disposal
(American Society of Civil Engineers (ASCE), 2008)
Conference report
Restricted access - publisher's policyA fully coupled formulation combining reactive transport and an existing thermo-hydro-mechanical (THM) code is briefly described. Special attention has been given to phenomena likely to be encountered in clay barriers used ...
