Ara es mostren els items 1-20 de 33

  • Análisis comparativo de los modelos constitutivos del hormigón reforzado con fibras 

    Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2010-04)
    Article
    Accés restringit per política de l'editorial
    La aparición de normas específicas para el empleo del Hormigón Reforzado con Fibras es, sin lugar a duda, una herramienta clave que proporciona al proyectista un mayor margen de confianza como solución estructural. Actualmente ...
  • Análisis experimental del comportamiento a flexión de vigas de HRF+AC 

    Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio; Soares Klein, Nayara (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    La acción de las armaduras convencionales y de las fibras es complementaria a efectos de evitar la rotura frágil del hormigón. Las fibras, en tipo y cuantía adecuada, garantizan una clara responsabilidad estructural. Éstas, ...
  • Application of constitutive models in European codes to RC-FRC 

    Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2013-03)
    Article
    Accés obert
    The recent publication of codes for the design of FRC is a major step towards extending the use of the material. An in depth analysis indicates several differences between the constitutive models proposed in the existing ...
  • Assessment of fibre content and orientation in SFRC with the inductive method. Part 1: theoretical basis of the method and study of the influence of the type of coil and temperature on its accuracy 

    López Carreño, Rubén-Daniel; Pialarissi Cavalaro, Sergio Henrique; Pujadas Álvarez, Pablo; Galobardes Reyes, Isaac; Torrents Dolz, Josep M.; Aguado de Cea, Antonio; Domingues de Figueiredo, Antonio (2015)
    Text en actes de congrés
    Accés obert
    The inductive method is a non-destructive test which is capable to estimate both the fibre orientation and the fibre content in steel fibre reinforced concrete (SFRC) samples by the means of a coil and an impedance analyser. ...
  • Assessment of fibre content and orientation in SFRC with the inductive method. Part 2: Application for the quality control of sprayed concrete 

    Silva, Cesar L; Galobardes Reyes, Isaac; Pujadas Álvarez, Pablo; Monte, Renata; Domingues de Figueiredo, Antonio; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2015)
    Text en actes de congrés
    Accés obert
    Concrete is the most used construction material in the world despite its fragility and low capacity to bear tensile stresses. Steel fibres may be added to increase the ductility of the material leading to fibre reinforced ...
  • Assessment of the fibre orientation factor in SFRC slabs 

    Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (Elsevier, 2015-01)
    Article
    Accés obert
    The design of steel fibre reinforced concrete (SFRC) structures is evolving towards a new approach that uses correction factors to consider differences between the small-scale characterization specimens and the real-scale ...
  • Bond strength of whitetoppings and bonded overlays constructed with self-compacting high-performance concrete 

    López Carreño, Rubén-Daniel; Pujadas Álvarez, Pablo; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2017-10)
    Article
    Accés restringit per política de l'editorial
    A bonded concrete overlay consists of a concrete layer poured over a deteriorated pavement. Its mechanical performance depends on the quality of the bond between the lower and the uppermost layers. This paper reports an ...
  • Caracterización y diseño del homigón reforzado con fibras plásticas 

    Pujadas Álvarez, Pablo (Universitat Politècnica de Catalunya, 2013-03-22)
    Tesi
    Accés obert
    En esta Tesis Doctoral se abordan aspectos de gran interés en relación a la caracterización del HRFP, la definición de una ecuación constitutiva considerando la orientación de las fibras, y el comportamiento diferido del ...
  • Constitutive model for fibre reinforced concrete based on the Barcelona test 

    Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2014-10-01)
    Article
    Accés restringit per política de l'editorial
    Several constitutive models for fibre reinforced concrete (FRC) have been reported in the past years based on the flexural performance obtained in a bending test. The Barcelona test was presented as an alternative to ...
  • Correlación entre TCOD y desplazamiento axial en el ensayo Barcelona 

    Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (Asociacion Científica del Hormigón Estructural (ACHE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    La necesidad de medir el desplazamiento circunferencial (total circumferential opening displacemento TCOD ) en el ensayo Barcelona implica el uso de un caro extensómetro circunferencial. El modelo desarrollado en la presente ...
  • Cracking behavior of FRC slabs with traditional reinforcement 

    Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2012-04-02)
    Article
    Accés restringit per política de l'editorial
    The combination of fibers with traditional reinforcement may be a very interesting design solution to achieve more durable and economical structures. This paper deals with the analysis of the aforementioned solution ...
  • Diseño óptimo de dovelas de hormigón reforzado con fibras para el revestimiento de túneles 

    Fuente Antequera, Albert de la; Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Aguado de Cea, Antonio (2015)
    Article
    Accés obert
    El uso del hormigón reforzado con fibras (HRF) para la fabricación de dovelas de túneles es una práctica en aumento. Sin embargo, aún existe cierta inercia al cambio respecto a la solución tradicional de hormigón armado ...
  • Dosagem e aplicação de concreto pesado de densidade 4.000 e 4.500 kg/m3 

    Soares Klein, Nayara; Aguado de Cea, Antonio; Pujadas Álvarez, Pablo; Soares, Talita C. (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Heavyweight concretes are an attractive alternative when heavyweight elements need to fill reduced spaces, because they present high densities and are able to take different forms according to the container where they are ...
  • Eco-trench: a novel trench solution based on reusing excavated material and a finishing layer of expansive concrete 

    Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Fernández Rubio, Cristina; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (Instituto Técnico de la Construcción y del Cemento, 2017-10)
    Article
    Accés obert
    Installing utility pipelines generates a significant amount of trench arisings, which are usually transported to landfills instead of being reused as backfill material. This practice generates CO2 emissions and wastes raw ...
  • Environmental and geometric optimisation of cylindrical drinking water storage tanks 

    Sanjuan-Delmás, David; Hernando Canovas, Elena; Pujadas Álvarez, Pablo; Fuente Antequera, Albert de la; Gabarrell Durany, Xavier; Rieradevall Pons, Joan; Josa Garcia-Tornel, Alejandro (2015-12)
    Article
    Accés obert
    Purpose: Urban water cycle construction processes are an important element to consider when assessing the sustainability of urban areas. The present study focuses on a structural and environmental analysis of cylindrical ...
  • Evaluación de la sostenibilidad de carreteras 

    Aguado de Cea, Antonio; Gálvez, Jaime C.; Aguado Renter, Albert; Pujadas Álvarez, Pablo; Fernández-Ordoñez, David (2017-05)
    Article
    Accés obert
    Infrastructure of communication, and in particular roads, have centuries of existence. The design, construction, operation, maintenance and dismantling have been adapted to the requirements and challenges of each historical ...
  • Experiences in Barcelona with the use of fibres in segmental linings 

    Fuente Antequera, Albert de la; Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Aguado de Cea, Antonio (2012-01)
    Article
    Accés restringit per política de l'editorial
    This paper presents the most outstanding experiences regarding the use of fibres as the main reinforcement in precast segmental linings in the metropolitan area of Barcelona. It is known that the addition of structural ...
  • Fibre distribution in macro-plastic fibre reinforced concrete slab-panels 

    Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Fuente Antequera, Albert de la; Aguado de Cea, Antonio (2014-08-14)
    Article
    Accés restringit per política de l'editorial
    This paper focuses on the study of the influence of flowability and wall-effects of the formwork in the orientation pattern of macro-plastic fibres. In order to identify the preferential orientation of fibres caused by the ...
  • Flat suspended slabs reinforced only with macro-synthetic fibres 

    Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Despite the remarkable advances in the field of macro-synthetic fibre reinforced concrete, the successful use of plastic macro-fibres as the sole reinforcement in structural elements still requires thorough research. Several ...
  • Inductive method for assessing the amount and orientation of steel fibers in concrete 

    Torrents Dolz, Josep M.; Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Aguado de Cea, Antonio; Juan Garcia, Pablo; Sánchez-Moragues, Miguel Ángel (2012-04-24)
    Article
    Accés restringit per política de l'editorial
    Steel fibers are ferromagnetic and they have the property of altering the magnetic field around them. This paper discusses a method and gives a practical example to measure, non-destructively, the amount and orientation ...