Ara es mostren els items 1-11 de 11

  • Analysis of swelling in tunnels excavated in sulphate claystones 

    Berdugo de Moya, Iván Rafael; Guimarães, Leonardo do N; Alonso Pérez de Agreda, Eduardo; Gens Solé, Antonio; Romero Morales, Enrique Edgar (2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The paper summarizes the main phenomenological aspects of swelling in tunnels excavated in sulphate claystones and formulates a series of theoretical consideration for their coupled hydro-mechanical-chemical analysis. The ...
  • Crystal growth and soil expansion: the role of interfacial pressure and pore structure 

    Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo (CRC Press, 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The paper summarizes first a set of field observations in connection with the severe heave experienced by Lilla tunnel excavated in a Tertiary anhydritic claystone. Heave and swelling pressures against the tunnel rigid ...
  • Evaluation of the fresh state properties of gypsum with PCM using three different PCM inclusion methods 

    Serrano, Susana; Barreneche, Camila; Navarro Ezquerra, Antonia; Haurie Ibarra, Laia; Gallardo, Alejandro; Fernández Renna, Ana Inés; Cabeza, Lluïsa F (2014)
    Text en actes de congrés
    Accés restringit per decisió de l'autor
    According to the International Energy Agency, the energy use in buildings accounts up to 38% of global energy consumption reaching in developed countries the 45% of the energy use in buildings in 2012. A substantial increase ...
  • Expansion of mortars with gypsum contaminated fine recycled aggregates 

    Tovar Rodríguez, Gustavo Enrique; Barra Bizinotto, Marilda; Pialarissi Cavalaro, Sergio Henrique; Aponte Hernández, Diego Fernando; Vázquez Ramonich, Enric (2012-09-20)
    Article
    Accés restringit per política de l'editorial
    This study evaluates the expansivity of fine recycled aggregates mortars depending on the type of Portland cement, the consistency and the equivalent of acid soluble sulphates (SO3) content. For that, an experimental ...
  • Geoelectrical prospecting of glauberite deposits in the Ebro basin (Spain) 

    Guinea, Ander; Playà, Elisabet; Rivero, Lluís; Salvany Duran, Josep Maria (2014-05)
    Article
    Accés restringit per política de l'editorial
    Glauberite (Na2Ca[SO4]2) is an evaporitic mineral which is used in the industries of detergents, paper, glass, pharmacy, etc. Glauberite rocks are seldom found cropping out because they are very sensitive to weathering ...
  • El guix de la Conca de Barberà i La Segarra 

    Torras Giralt, Vicenç (Universitat Politècnica de Catalunya, 2014-06)
    Treball Final de Grau
    Accés obert
    L’objectiu principal d’aquest treball és la identificació i qualificació dels guixos d’aquestes dues comarques. Així mateix, l'objectiu de l'estudi és conèixer els principals llocs de guix d'interès des del punt de vista ...
  • Heave of a railway bridge induced by gypsum crystal growth: field observations 

    Alonso Pérez de Agreda, Eduardo; Ramon Tarragona, Anna (2013-07)
    Article
    Accés restringit per política de l'editorial
    The central pillars of a bridge belonging to a recently built high-speed railway line experienced an unexpected and continuous heave after the end of construction. Pillars were founded on 3 × 3 pile groups capped by a rigid ...
  • Interaction between a fractured marl caprock and CO2-rich sulfate solution under supercritical CO2 conditions 

    Dávila Ordóñez, Maria Gabriela; Luquot, Linda; Soler Matamala, Josep M.; Cama Robert, Jordi (John Gale, 2016-05)
    Article
    Accés obert
    Geological CO2 sequestration at pilot-plant scale will be developed at Hontomin (Spain). CO2 will be injected into a limestone reservoir that contains a NaCl- and sulfate-rich groundwater in equilibrium with calcite and ...
  • Levantamiento de un edificio cimentado sobre roca anhidrítica del Keuper 

    Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo (Sociedad Española de Mecánica del Suelo e Ingeniería Geotécnica, 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    La aparición y aumento de agrietamientos en un edificio situado en el solar de una antigua cantera excavada en el Keuper motivó un reconocimiento detallado del terreno de cimentación. Las plantas sótano, semisótano y baja ...
  • Modelling crystal growth 

    Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The sustained heave of Pont de Candí Bridge is a consequence of the development of swelling strains in the sulphated claystone located below the tips of the foundation piles of the central pillan; of the bridge. The ...
  • Modelling swelling behavior of anhydritic clayey rocks 

    Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo (International Centre for Computational Engineering, 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The swelling behavior observed in anhydritic rocks is explained by the precipitation of gypsum crystals in open discontinuities. Gypsum crystals growing in discontinuities contribute to open them and induce deformations ...