Ara es mostren els items 11-30 de 45

  • Deep enclosures versus pumping to reduce settlements during shaft excavations 

    Pujades Garnes, Estanislao; Vázquez Suñé, Enric; Carrera Ramírez, Jesús; Vilarrasa Riaño, Víctor; Simone, Silvia de; Jurado Elices, Anna; Ledesma Villalba, Alberto; Ramos Schneider, Gonzalo; Lloret Morancho, Antonio (2014-02-04)
    Article
    Accés restringit per política de l'editorial
    Deep excavations in aquifers may be constructed by combining pumping with the cut and cover method. The enclosures are often deepened more than structurally needed, in order to diminish the risk of heave or fluidisation ...
  • Dewatering of a deep excavation undertaken in a layered soil 

    Pujades Garnes, Estanislao; Vázquez Suñé, Enric; Carrera Ramírez, Jesús; Jurado Elices, Anna (2014-08-21)
    Article
    Accés restringit per política de l'editorial
    In order to carry out deep excavations under the water table in urban environments, the safety of the work site and of the adjacent buildings is a major cause for concern. One of the most common and effective methods of ...
  • Dissolution patterns and mixing dynamics in unstable reactive flow 

    Hidalgo, Juan J.; Dentz, Marco; Cabeza Diaz de Ceiro, Yoar; Carrera Ramírez, Jesús (2015-08-16)
    Article
    Accés obert
    We study the fundamental problem of mixing and chemical reactions under a Rayleigh-Taylor-type hydrodynamic instability in a miscible two-fluid system. The dense fluid mixture, which is generated at the fluid-fluid interface, ...
  • Dynamics of water vapor flux and water separation processes during evaporation from a salty dry soil 

    Gran, 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'editorial
    Evaporation 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 ...
  • Emerging organic contaminants in groundwater in Spain: A review of sources, recent occurrence and fate in a European context 

    Jurado Elices, Anna; Vázquez Suñé, Enric; Carrera Ramírez, Jesús; López de Alda, Miren; Pujades Garnes, Estanislao; Barceló, Damià (2012)
    Article
    Accés restringit per política de l'editorial
    This paper reviewed the presence of emerging organic contaminants (EOCs) that have been found in the groundwater in Spain in both, rural and urban areas. The list of compounds included pesticides, pharmaceutical active ...
  • Estimation of hydraulic parameters for heterogeneous coastal aquifer systems from pumping test analysis and tidal response 

    Pool Ramírez, María; Carrera Ramírez, Jesús (2013)
    Text en actes de congrés
    Accés obert
  • Excavación de un pozo profundo para revisión de una tuneladora en el centro de Barcelona 

    Ledesma Villalba, Alberto; Lloret Morancho, Antonio; de Santos, C.; Ramos, Gonzalo; Alonso Pérez de Agreda, Eduardo; Vázquez Suñé, Enric; Pujades Garnes, Estanislao; Carrera Ramírez, Jesús (Sociedad Española de Mecánica del Suelo e Ingeniería Geotécnica, 2012)
    Text en actes de congrés
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  • 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
  • Fate of ß-blockers in aquifer material under nitrate reducing conditions: Batch experiments 

    Barbieri, Manuela; Licha, Tobias; Nödler, K.; Carrera Ramírez, Jesús; Ayora Ibáñez, Carlos; Sánchez Vila, Francisco Javier (2012-11)
    Article
    Accés restringit per política de l'editorial
    The fate of the three environmentally relevant β-blockers atenolol, metoprolol and propranolol has been studied in batch experiments involving aquifer material and nitrate reducing conditions. Results from the about 90 d ...
  • Funcionamiento hidrogeológico de un acuífero termal (La Garriga-Samalús) 

    Martínez Landa, Lourdes; Carrera Ramírez, Jesús (2013)
    Presentació
    Accés obert
  • Geomechanical stability of the caprock during CO2 sequestration in deep saline aquifers 

    Vilarrasa Riaño, Víctor; Olivella Pastallé, Sebastià; Carrera Ramírez, Jesús (2011)
    Article
    Accés obert
    Sequestration 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 ...
  • Groundwater modelling in the urban area of Barcelona 

    Vázquez Suñé, Enric; Carrera Ramírez, Jesús; Sánchez Vila, Francisco Javier; Abarca Cameo, Elena; Arandes Renú, Ramon (Springer, 2005)
    Capítol de llibre
    Accés obert
  • Hydrogeological impact assessment by tunnelling at sites of high sensitivity 

    Pujades Garnes, Estanislao; Vázquez Suñé, Enric; Culi, Laura; Carrera Ramírez, Jesús; Ledesma Villalba, Alberto; Jurado Elices, Anna (2015-07)
    Article
    Accés restringit per política de l'editorial
    A tunnel for the High Speed Train (HST) was constructed in Barcelona with an Earth Pressure Balance (EPB) Tunnel Boring Machine (TBM). The tunnel crosses Barcelona and passes under some famous landmarks such as the Sagrada ...
  • Impactos hidrogeologicos causados por la construccion del AVE en el entorno de la Sagrada Familia (Barcelona) 

    Pujades Garnes, Estanislao; Vázquez Suñé, Enric; Culi, Laura; Carrera Ramírez, Jesús; Ledesma Villalba, Alberto; Jurado Elices, Anna (Universidad Politécnica de Valencia, 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    El tunel del AVE que atraviesa Barcelona fue construido con una tuneladora tipo EPB. El trazado del túnel pasa bajo la Sagrada Familia (declarada patrimonio de la humanidad por la UNESCO), y debido a los riesgos que entrañaba ...
  • 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'editorial
    Injecting 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 ...
  • Modeling evaporation processes in a saline soil from saturation to oven dry conditions 

    Gran Esforzado, Meritxell; Carrera Ramírez, Jesús; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem (2011)
    Article
    Accés obert
    Thermal, suction and osmotic gradients interact during evaporation from a salty soil. Vapor fluxes become the main water flow mechanism under very dry conditions. A coupled nonisothermal multiphase flow and a reactive ...
  • Modelling a large oil spill in the aquifer of the Llobregat Lower Valley, Barcelona 

    Custodio Gimena, Emilio; Carrera Ramírez, Jesús; Sánchez Vila, Francisco Javier; Medina Sierra, Agustín; Manzano Arellano, María del Sol; Galarza López, German (European Center for Pollution research, 1993)
    Text en actes de congrés
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    About 70 m3 of gasoline were poured as the result of an intentíonal breakdown of a major pipeline along the Lower Llobregat Valley. The main groundwater aquifer of the Barcelona area was affected by the gasoline that was ...
  • Multicomponent reactive transport in multicontinuum media 

    Donado, Leonardo David; Sánchez Vila, Francisco Javier; Dentz, Marco; Carrera Ramírez, Jesús; Bolster, Diogo (2009)
    Article
    Accés obert
    Multicomponent reactive transport in aquifers is a highly complex process, owing to a combination of variability in the processes involved and the inherent heterogeneity of nature. To date, the most common approach is to ...
  • Numerical formulation for a simulator (CODE_BRIGHT) for the coupled analysis of saline media 

    Olivella Pastallé, Sebastià; Gens Solé, Antonio; Carrera Ramírez, Jesús; Alonso Pérez de Agreda, Eduardo (MCB University Press, 1996)
    Article
    Accés obert
    Salt rocks are being considered as potential recipients for geologic disposal of nuclear waste because of their favourable hydraulic and mechanical properties. In essence, processes controlling the behaviour of salt rocks ...
  • Occurrence of carbamazepine and five metabolites in an urban aquifer 

    Jurado Elices, Anna; López Serna, Rebeca; Vázquez Suñé, Enric; Carrera Ramírez, Jesús; Pujades Garnes, Estanislao; Petrovic, Mira; Barceló Culleres, Damià (2014-11-01)
    Article
    Accés restringit per política de l'editorial
    This paper deals with urban groundwater contaminated with carbamazepine (CBZ) and five of its human metabolites in Barcelona. Groundwater samples were accordingly collected in the aquifers of Poble Sec and Besos River ...