Now showing items 1-18 of 18

  • Concrete with crumb rubber from used tyre (CR) 

    Barra Bizinotto, Marilda; Jordana Riba, Francisco de Paula; Royano García, Verónica; Vázquez Ramonich, Enric (2009)
    Conference lecture
    Restricted access - publisher's policy
    This study aims to determine the influence of the substitution of a variable volume of aggregates on a concrete by an equivalent quantity of crumb rubber obtained from used tyres (CR). The physical and mechanical properties ...
  • Concrete with crumb rubber from used tyres 

    Royano García, Verónica; Barra Bizinotto, Marilda; Vázquez Ramonich, Enric (2014)
    Conference report
    Open Access
    This study aims to determine the influence of the substitution of a variable volume of aggregates on a concrete by an equivalent quantity of crumb rubber (CR) obtained from used tyres. The physical and mechanical properties ...
  • Diseño de mezclas de hormigón reciclado mediante el método Volumen de Mortero Equivalente (EMV): Validación bajo el contexto español y su adaptación al método de diseño de Bolomey 

    Jiménez Fernández, Cristian Gonzalo; Vázquez Ramonich, Enric; Barra Bizinotto, Marilda; Valls del Barrio, Susanna; Aponte Hernández, Diego Fernando (2013-10-08)
    Article
    Open Access
    El nuevo método para el diseño de hormigón con árido reciclado (HAR) es usado para comprobar su posibilidad de uso bajo el contexto español. Primeramente, se realiza una extensa campaña experimental, para analizar las ...
  • Durability of recycled aggregate concrete designed with the Equivalent Mortar Volume (EMV) method: Validation under the Spanish context and its adaptation to Bolomey methodology 

    Jiménez Fernández, Cristian Gonzalo; Barra Bizinotto, Marilda; Valls del Barrio, Susanna; Aponte Hernández, Diego Fernando; Vázquez Ramonich, Enric (2014)
    Article
    Open Access
    Some durability properties are analyzed in concretes made with a novel method for recycled aggregates concrete (RAC) proportioning, in order to validate it under the Spanish context. Two types of concrete mixes were ...
  • Estudio de hormigones con adición de polvo de neumàticos fuera de uso (NFU) 

    Royano García, Verónica; Valls del Barrio, Susanna; Barra Bizinotto, Marilda; Vázquez Ramonich, Enric (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
    Conference lecture
    Open Access
    Pese a las diversas aplicaciones ya estudiadas con los neumáticos fuera de uso, el elevado volumen de los mismos producido anualmente como residuo, justifica el investigar sus nuevas posibilidades de uso. Asimismo, es cada ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • Impacto ambiental en el ámbito de los materiales de construcción 

    Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Valls del Barrio, Susanna; Vázquez Ramonich, Enric (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
    Conference lecture
    Open Access
    El proceso de lixiviación en sí es universal, ya que cualquier material expuesto al contacto con el agua filtrará los componentes de su superficie o de su interior en función de la porosidad del material considerado. El ...
  • Improvement of the durability of concrete with recycled aggregates in chloride exposed environment 

    Vázquez Ramonich, Enric; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Valls del Barrio, Susanna; Jiménez, Cristian (2014-09-01)
    Article
    Restricted access - publisher's policy
    Recycled aggregates concrete (RAC) becomes an important participant in recycled materials although there are still questionable properties of it, like chloride penetration and diffusion. An extensive experimental campaign ...
  • Improvement of the durability of concrete with recycled aggregates in chloride exposed environment 

    Vázquez Ramonich, Enric; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Jiménez Fernández, Cristian Gonzalo; Valls del Barrio, Susanna (2013)
    Conference report
    Restricted access - publisher's policy
    Recycled aggregates concrete (RAC) becomes an important participant in recycled materials, although there are still questionable issues about some of its properties. Durability of RAC and its relationship with recycled ...
  • Procedural uncertainties of Proctor compaction tests applied on MSWI bottom ash 

    Izquierdo, Maria; Querol, Xavier; Vázquez Ramonich, Enric (Elsevier, 2011-02-28)
    Article
    Restricted access - publisher's policy
    MSWI bottom ash is a well-graded highly compactable material that can be used as a road material in unbound pavements. Achieving the compactness assumed in the design of the pavement is of primary concern to ensure long ...
  • Propiedades físicas y mecánicas de los agregados reciclados de concreto 

    Gómez Soberón, José Manuel Vicente; Agulló Fité, Luís; Vázquez Ramonich, Enric (Instituto Mexicano del Cemento y el Concreto, 2002)
    Article
    Open Access
    Las propiedades a largo plazo, como la contracción y fluencia, de los concretos reciclados(CR) presentan algunas variaciones con los concretos usuales. Dichas variaciones son interpretadas por las diferencias de densidad, ...
  • Reacción álcali sílice en el hormigón debido al mortero adherido del árido reciclado 

    Etxeberria Larrañaga, Miren; Vázquez Ramonich, Enric (2010-01)
    Article
    Open Access
    La durabilidad del hormigón fabricado con árido reciclado es necesario determinarla antes de su utilización como material de construcción. En este artículo se analiza la reacción álcali-sílice manifestada en el hormigón ...
  • Reactions of fly ash with calcium aluminate cement and calcium sulphate 

    Fernández Carrasco, Lucía; Vázquez Ramonich, Enric (Elsevier, 2009-09)
    Article
    Restricted access - publisher's policy
    The hydration processes in the ternary system fly ash/calcium aluminate cement/calcium sulphate (FA/CAC/C$) at 20 °C were investigated; six compositions from the ternary system FA/CAC/C$ were selected for this study. The ...
  • Realización de ensayos de laboratorio de hormigón con caucho procedente de neumaticos fuera de uso (NFU). 

    Barra Bizinotto, Marilda; Jordana Riba, Francisco de Paula; Royano García, Verónica; Vázquez Ramonich, Enric (2009)
    External research report
    Open Access
    El consumo de neumáticos en los países desarrollados es elevado y va en aumento. Los propietarios y usuarios de vehículos, por el hecho de circular con los mismos, somos los responsables del desgaste de los neumáticos ...
  • Repercussions on concrete permeability due to recycled concrete aggregate 

    Gómez Soberón, José Manuel Vicente; Agulló Fité, Luís; Vázquez Ramonich, Enric (V.M. Malhotra, 2001)
    Conference lecture
    Open Access
    This paper presents an experimental analysis of recycled concrete (RC) in which the natural aggregates are replaced by recycled concrete aggregates (RCA). This experimental program covers the specifications of the aggregates ...
  • Rheology of fresh concretes with recycled aggregates 

    Faleschini, Flora; Jiménez Fernández, Cristian Gonzalo; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Vázquez Ramonich, Enric; Pellegrino, Carlo (2014-12-30)
    Article
    Restricted access - publisher's policy
    The most frequently used measure of rheology is the slump test, which evaluates workability. Since this value is often operator-sensitive, a more quantitative estimate can be derived in terms of fundamental physical ...
  • Study of the recycled aggregates nature's influence on the aggregate-cement paste interface and ITZ 

    Sidorova, Anna; Vázquez Ramonich, Enric; Barra Bizinotto, Marilda; Roa Rovira, Joan Josep; Jiménez Piqué, Emilio (2014)
    Article
    Restricted access - publisher's policy
    Today it is highly recognized that the structure of the cement paste matrix close to the aggregates, is different from the rest of the cement paste. This investigation compares the possible interfacial transition zone (ITZ) ...
  • Utilización de áridos reciclados "una oportunidad oportunidad frente a la situación actual" 

    Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Pielarisi, Sergio Henrique; Valls del Barrio, Susanna; Vázquez Ramonich, Enric (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
    Conference lecture
    Open Access
    El impacto ambiental de la explotación de recursos naturales y el consumo desmedido de territorio con los vertederos impulsa la obtención y aplicación de áridos reciclados. El objetivo de los trabajos de nuestro equipo ...