Exploració per autor "Olivella Pastallé, Sebastià"
Ara es mostren els items 37-56 de 105
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Development of a predictive framework for geothermal and geotechnical responses in cold regions experiencing climate change
Nishimura, S.; Jardine, R.; Fenton, C.H.; Olivella Pastallé, Sebastià; Gens Solé, Antonio; Martin, C.J. (2013)
Text en actes de congrés
Accés restringit per política de l'editorialCold regions, which are expected to suffer particularly severe future climate effects, will pose very challenging geotechnical conditions in the 21st century involving ground freezing and thawing. Given the uncertainty of ... -
Dynamics of water vapor flux and water separation processes during evaporation from a salty dry soil
Gran Esforzado, Meritxell; Massana, Jordi; Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Olivella Pastallé, Sebastià; Ayora Ibáñez, Carlos; Lloret Morancho, Antonio (Elsevier, 2011-01)
Article
Accés restringit per política de l'editorialEvaporation from a salty soil generates salt accumulation near the surface with the subsequent deterioration of the soil quality. Salinization mechanisms are poorly understood despite their global impact. Vapor flux and ... -
Effect of thermo-coupled processes on the behaviour of a clay barrier submitted to heating and hydration
Sánchez, M.; Gens Solé, Antonio; Olivella Pastallé, Sebastià (2010)
Article
Accés obertThe 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. ... -
Environmental effects on earth embankments
Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo (CRC Press, 2012)
Capítol de llibre
Accés restringit per política de l'editorialTwo real cases: the potential effect of an induced infiltration in the vicinity of an embankment founded on potentially collapsible natural silts and the effect of rainfall regime on a canal founded on cemented collapsible ... -
Evaluation of self-combustion risk in tire derived aggregate fills
Arroyo Alvarez de Toledo, Marcos; San Martin, Ignacio; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem (2011-09)
Article
Accés restringit per política de l'editorialLightweight tire derived aggregate (TDA) fills are a proven recycling outlet for waste tires, requiring relatively low cost waste processing and being competitively priced against other lightweight fill alternatives. However ... -
Exploring material heterogeneity in gas flow simulation through clay materials: a numerical study
Sayad Noghretab, Babak; Puig Damians, Ivan; Olivella Pastallé, Sebastià; Gens Solé, Antonio (2023)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper presents the results of the initial molding of the large-scale gas injection test 1 (Lasgit) conducted at the Äspö Hard Rock Laboratory in Sweden. Lasgit is a field test that follows the Swedish KBS-3V disposal ... -
Extension of CODE_BRIGHT to simulate non-isothermal CO2 injection in deep saline aquifers
Vilarrasa Riaño, Víctor; Olivella Pastallé, Sebastià; Silva Rojas, Orlando Enrique; Carrera Ramírez, Jesús (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica (ETCG), 2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
Formulation for the THMC analysis of clayey materials: application to radioactive waste disposal
Gens Solé, Antonio; Guimarães, Leonardo do N; Fernández, A.M.; Sánchez, M.; Olivella Pastallé, Sebastià (American Society of Civil Engineers (ASCE), 2008)
Text en actes de congrés
Accés restringit per política de l'editorialA 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 ... -
Fully coupled thermo-hydro-mechanical double-porosity formulation for unsaturated soils
Sánchez, Marcelo; Gens Solé, Antonio; Victoria Villar, María; Olivella Pastallé, Sebastià (2016-12)
Article
Accés obertThis work presents a fully coupled formulation developed to handle engineering problems in unsaturated (and saturated) soils that present two dominant void levels. The proposed framework assumes the presence of two porous ... -
Gas flow through clay barriers
Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo (2008-04)
Article
Accés obertA model for the simulation of gas flow in clayey rocks and clays is described. Gas migration is associated with the development of preferential paths along existing or pressure-dependent discontinuities. The model handles ... -
Gas flow through clay barriers
Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo (Institution of Civil Engineers (http://www.ice.org.uk/), 2008)
Article
Accés obertA model for the simulation of gas flow in clayey rocks and clays is described. Gas migration is associated with the development of preferential paths along existing or pressure-dependent discontinuities. The model handles ... -
Gas migration in sand/bentonite mixtures through preferential paths
Arnedo Gaute, Diego; Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià; Romero Morales, Enrique Edgar (2011)
Text en actes de congrés
Accés restringit per política de l'editorialSand/bentonite mixtures are considered as buffer material in low and medium radioactive waste disposal schemes. While the bentonite provides low permeability and swelling capacity, the sand is intended to improve mechanical ... -
Geomechanical response of fractured reservoirs
Zareidarmiyan, Ahmad; Salaridad, Hossein; Vilarrasa Riaño, Víctor; De Simone, Silvia; Olivella Pastallé, Sebastià (2018-12)
Article
Accés obertGeologic carbon storage will most likely be feasible only if carbon dioxide (CO2) is utilized for improved oil recovery (IOR). The majority of carbonate reservoirs that bear hydrocarbons are fractured. Thus, the geomechanical ... -
Geomechanical stability of the caprock during CO2 sequestration in deep saline aquifers
Vilarrasa Riaño, Víctor; Olivella Pastallé, Sebastià; Carrera Ramírez, Jesús (2011)
Article
Accés obertSequestration of carbon dioxide (CO2) in deep saline aquifers has emerged as a mitigation strategy for reducing greenhouse gas emissions to the atmosphere. The large amounts of supercritical CO2 that need to be injected ... -
Geotecnia : problemas resueltos : mecánica de suelos
Olivella Pastallé, Sebastià; Josa Garcia-Tornel, Alejandro; Valencia Vera, Francisco Javier (Edicions UPC, 2003)
Llibre
Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UICEsta publicación contiene una colección de problemas resueltos de mecánica de suelos. Se trata de una publicación de utilidad para los alumnos que cursan las asignaturas básicas de Geotecnia en los estudios de Ingeniería ... -
Heat storage efficiency, ground surface uplift and thermo-hydro-mechanical phenomena for high-temperature aquifer thermal energy storage
Vidal Montes, Rubén; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem; Diaz-Maurin, François Carlos León (2022-10)
Article
Accés obertHigh-temperature aquifer thermal energy storage (HT-ATES) systems can help in balancing energy demand and supply for better use of infrastructures and resources. The aim of these systems is to store high amounts of heat ... -
Hydro-chemical modelling of in situ behaviour of bituminized radioactive waste in Boom Clay
Mokni, Nadia; Olivella Pastallé, Sebastià; Valcke, Elie; Bleyen, N; Smets, Esteven; Li, Xiang Ling; Sillen, X. (2014-06)
Article
Accés obertThe hydro-chemical (CH) interaction between swelling Eurobitum bituminized radioactive waste (BW) and Boom Clay was investigated to assess the feasibility of geological disposal for the long-term management of this waste. ... -
Hydro-chemo-mechanical modelling of tunnels in sulfated rocks
Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià (Thomas Telford, 2017-11)
Article
Accés obertA modelling procedure to address the tunnel–anhydritic rock interaction is described in this paper. The model incorporates the basic physico-chemical phenomena involved in rock swelling, often observed during excavation ... -
Hydro-mechanical modelling and analysis of multi-stage tunnel excavations using a smoothed excavation method
Song, Fei; Rodríguez Dono, Alfonso; Olivella Pastallé, Sebastià (Elsevier, 2021-07)
Article
Accés obertThe main objective of this article is to provide a general numerical approach for the hydro-mechanical (HM) modelling of tunnels excavated in saturated rock masses exhibiting plastic behaviour, considering a multi-stage ... -
Impacts of cold CO2 injection in deep saline aquifers on the rock mechanical integrity.
Vilarrasa Riaño, Víctor; Carrera Ramírez, Jesús; SILVA, ORLANDO; Olivella Pastallé, Sebastià (2013)
Text en actes de congrés
Accés restringit per política de l'editorialInjecting CO2 into aquifers at depths greater than 800 m brings CO2 to a supercritical state where its density is large enough to ensure an efficient use of pore space. However, CO2 may not be in thermal equilibrium with ...