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Ara es mostren els items 25-44 de 44

    • Ladle furnace slag as a partial replacement of Portland cement 

      Araos Henríquez, Paulo Sebastián; Aponte Hernández, Diego Fernando; Ibáñez, Jordi; Barra Bizinotto, Marilda (Elsevier, 2021-06)
      Article
      Accés obert
      Ladle furnace slag (LFS) has been proposed as partial cement replacement due to its similar chemical composition with Portland cement. However, its mineralogical composition needs to be considered due to problems with ...

    • Ladle steel slag in activated systems for construction use 

      Aponte Hernández, Diego Fernando; Soto Martín, Oriol; Valls del Barrio, Susanna; Barra Bizinotto, Marilda (2020-08)
      Article
      Accés obert
      The construction industry needs to reduce greenhouse gases, in which cement production is currently responsible for generating between 4% and 6% of the total CO2 released into the atmosphere. Similarly, many industries ...

    • LCA of recycled and conventional concretes designed using the Equivalent Mortar Volume and classic methods 

      Jiménez Fernández, Cristian Gonzalo; Barra Bizinotto, Marilda; Josa Garcia-Tornel, Alejandro; Valls del Barrio, Susanna (2015-06)
      Article
      Accés obert
      The objective of this investigation is to environmentally evaluate three concrete design methods through a Life Cycle Assessment using the methodology of the Institute of Environmental Sciences (CML), from Leiden University, ...

    • Long-term comparison between waste paper fly ash and traditional binder as hydraulic road binder exposed to sulfate concentrations 

      Baloochi, Hani; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando (Multidisciplinary Digital Publishing Institute (MDPI), 2022-08)
      Article
      Accés obert
      Sulfate attack is one of the drawbacks of cementitious materials for stabilized soils. In the current study, a durability comparison of stabilized soil with cement (Type IV) and waste paper fly ash (WPFA) was conducted. ...

    • Mechanical and environmental behavior of cement mortars containing ladle furnace slag 

      Aponte Hernández, Diego Fernando; Barra Bizinotto, Marilda (2020)
      Comunicació de congrés
      Accés obert
      At present, steel production is mainly done in basic oxygen furnaces (BOF) and electric arc furnaces (EAF) (Pauliuk, S. et al, 2013, Morfeldt, J. et al, 2015). According to the statistics, it is expected that the use of ...

    • Migration of calcium hydroxide particles from the matrix to the cellulosic fibres in cement mortar based composites 

      Claramunt Blanes, Josep; Ardanuy Raso, Mònica; García Hortal, José Antonio; Barra Bizinotto, Marilda (2009-12-14)
      Presentació
      Accés obert

    • Miniaturization of superconducting filters using Hilbert fractal curves 

      Barra Bizinotto, Marilda; O'Callaghan Castellà, Juan Manuel; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-09-30)
      Article
      Accés obert
      This work presents novel compact high-temperature superconductor microstrip resonators and filters based on the Hilbert space-filling fractal curve. Several Hilbert resonator configurations have been assessed by using a ...

    • Potencialidades del hormigón estructural y su tecnologia en el marco de la sostenibilidad de la construcción 

      Aguado de Cea, Antonio; Barra Bizinotto, Marilda; Gómez Soberón, José Manuel Vicente; González, Belén (Asociación Científico-Técnica del Hormigón Estructural (ACHE), 2003-07)
      Article
      Accés obert
      En el presente artículo se hace, en primer lugar, una revisión de la evolución del planteamiento de sostenibilidad en el Sector de la Construcción, a través de la visualización del ciclo de vida que constituye el mismo. ...

    • Potencialidades del hormigón estructural y su tecnología en el marco de la sostenibilidad de la construcción 

      Aguado de Cea, Antonio; Barra Bizinotto, Marilda; Gómez Soberón, José Manuel Vicente; González Fonteboa, Belén (2003-07)
      Article
      Accés obert
      En el presente artículo se hace, en primer lugar, una revisión de la evolución del planteamiento de sostenibilidad en el Sector de la Construcción, a través de la visualización del ciclo de vida que constituye el mismo. ...

    • 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)
      Report de recerca
      Accés obert
      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 ...

    • Rheological behavior of recycled aggregate concrete 

      Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Faleschini, Flora; González Fonteboa, Belen; González Taboada, Iris (Elsevier, 2021)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This chapter presents the rheological study of the two main types of recycled aggregate concrete mixes (normal consistency and self-compacting). The concepts of rheology and its applications to recycled concrete are ...

    • 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
      Accés restringit per política de l'editorial
      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 ...

    • Soil stabilization using waste paper fly ash: precautions for its correct use 

      Baloochi, Hani; Aponte Hernández, Diego Fernando; Barra Bizinotto, Marilda (2020-12)
      Article
      Accés obert
      This paper deals with the valorization of waste paper fly ash (WPFA) as a binder for soil stabilization. The mineralogical characterization shows the presence of free lime, as well as some non-reactive and cementitious ...

    • Study of adhesion between steel slag aggregates and bitumen taking into consideration internal factors influencing moisture damage 

      Benavides Alcívar, Julio Darío; Aponte Hernández, Diego Fernando; Barra Bizinotto, Marilda; López Montero, Teresa (2023-02)
      Article
      Accés restringit per política de l'editorial
      Electric arc furnace slag (EAFS) has been proposed as a replacement in hot-mix asphalt. This work compares the physical-chemical-mineralogical and morphological factors involved in the moisture damage of natural aggregates ...

    • 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
      Accés restringit per política de l'editorial
      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) ...

    • The effect of Ladle Furnace Slag (LFS) content replacement as a supplementary cementitious material in portland cement-based systems 

      Araos Henríquez, Paulo Sebastián; Uribarri, Anna; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando (Springer, 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Portland cement (OPC) and steelmaking industries exhibit high pro- duction levels and are expected to continue in the near future. Their industrial processes are not considered environmentally friendly and are estimated ...

    • Transport of moisture and chlorides into sprayed concrete 

      Aponte Hernández, Diego Fernando; Barra Bizinotto, Marilda; Valls del Barrio, Susanna; Fernández Carrasco, Lucía (2020)
      Text en actes de congrés
      Accés obert
      This contribution is a study of the durability and transport properties of sprayed concrete used in an actual construction site. It considers whether concrete spraying can generate different porosities as the thickness of ...

    • Uses of fine steel slag to mitigate the effects of moisture damage in asphalt mixtures 

      Benavides Alcívar, Julio Darío; López Montero, Teresa; Aponte Hernández, Diego Fernando; Barra Bizinotto, Marilda (World Road Association (PIARC), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Steel slag has been proposed to replace fine fractions in hot mix asphalts (HMA) because this material has physical-mechanical properties that make it suitable for wearing courses. However, one of the main barriers to the ...

    • 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)
      Comunicació de congrés
      Accés obert
      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 ...

    • Waste paper ash as an alternative binder to improve the bearing capacity of road subgrades 

      Cepriá, Juan José; Orejana Gonzalez, Roberto; Miró Recasens, José Rodrigo; Martínez Reguero, Adriana Haydée; Barra Bizinotto, Marilda; Aponte Hernández, Diego Fernando; Baloochi, Hani (Taylor & Francis, 2022)
      Text en actes de congrés
      Accés obert
      The interest on alternative hydraulic road binders to replace cement is increasing these days aiming at reducing the carbon footprint of road projects. The PaperChain project, an EU funded project under the H2020 programme, ...