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Ara es mostren els items 73-92 de 251

    • Design of macro-synthetic fibre reinforced concrete pipes 

      Fuente Antequera, Albert de la; Campos Escariz, Renata; Domingues de Figueiredo, Antonio; Aguado de Cea, Antonio (2013-06-03)
      Article
      Accés restringit per política de l'editorial
      This paper presents an experimental campaign in which concrete pipes were manufactured using plastic fibres as the sole reinforcement material. In this regard, it has been demonstrated that the use of plastic fibres is ...

    • Design procedure and experimental study on fibre reinforced concrete segmental rings for vertical shafts 

      Liao, Lin; Fuente Antequera, Albert de la; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (Elsevier, 2016-02)
      Article
      Accés obert
      Structural fibres are used to replace partially or totally the passive reinforcement in precast concrete segments for tunnel linings constructed with TBM, showing several advantages. Fibre reinforced concrete (FRC) could ...

    • Design-oriented method for concrete pavements with volumetric stability admixtures: an integrated experimental and analytical approach 

      Ikumi Montserrat, Tai; Lopez Arancibia, Aitziber Montserrat; Aidarov, Stanislav; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (Elsevier, 2023-12-01)
      Article
      Accés obert
      The high-performance demands on industrial floors, both in terms of larger slab dimensions and increased durability under harsh operating conditions, have led to the growing use of expansive admixtures. These generate a ...

    • Design-oriented method for concrete pavements with volumetric stability admixtures: an integrated experimental and analytical approach 

      Ikumi Montserrat, Tai; Monserrat López, Andrea; Aidarov, Stanislav; Aguado de Cea, Antonio; Fuente Antequera, Albert de la (Elsevier, 2023-12)
      Article
      Accés obert
      The high-performance demands on industrial floors, both in terms of larger slab dimensions and increased durability under harsh operating conditions, have led to the growing use of expansive admixtures. These generate a ...

    • Determinación simplificada del módulo de deformación del hormigón de presas 

      Aguado de Cea, Antonio; Agulló Fité, Luís; Gettu, Ravindra; Vilardell, J (2002)
      Text en actes de congrés
      Accés obert
      La determininación del módulo de elasticidad del hormigón de presas es difiícil tanto en medidas directas en la presa como mediante probetas, ya que se requieren ensayos con probetas de gran dimensión y, consecuentemente, ...

    • Determination of the complete stress-strain response of concrete under uniaxial compression 

      Stephen, Stefie; Zangelmi Júnior, Ernesto; Gettu, Ravindra; Aguado de Cea, Antonio; Kumar, Vaishnav (2021-09)
      Article
      Accés restringit per política de l'editorial
      The characterization of the complete uniaxial compressive stress-strain curve of concrete is crucial for a more rational and reliable design of concrete structures. However, without intrinsic knowledge of the influence of ...

    • Development and experimental validation of an overlay mortar with biocide activity 

      Vaquero Martinez, José María; Cugat Martí, Víctor; Segura Pérez, Ignacio; Calvo Torras, Mari Angels; Aguado de Cea, Antonio (2016-11)
      Article
      Accés obert
      Biodeterioration of concrete by microorganism colonisation may be a problem in several structures, especially in irrigation and hydroelectric canals. The main problem in such structures is the proliferation of algae and ...

    • Development of a low pH cementitious material to enlarge bioreceptivity 

      Manso Blanco, Sandra; Mestres Beà, Gemma; Ginebra Molins, Maria Pau; de Belie, Nele; Segura Pérez, Ignacio; Aguado de Cea, Antonio (2014-03-15)
      Article
      Accés restringit per política de l'editorial
      This paper presents a laboratory investigation into the development of a low-pH cementitious material in order to enlarge bioreceptivity. Two different options were tested; reduction of Ordinary Portland Cement (OPC) pH ...

    • Development of conductive cementitious materials using recycled carbon fibres 

      Faneca Llesera, Gerard; Segura Pérez, Ignacio; Torrents Dolz, Josep M.; Aguado de Cea, Antonio (2018-09)
      Article
      Accés obert
      Conductive cementitious materials have gained immense attention in recent years owing to the possibility of achieving multifunctional materials. The usual approach has been to incorporate carbonaceous nanomaterials and/or ...

    • Diffusion-reaction model for the internal sulfate attack in concrete 

      Campos, A.; López Garello, Carlos María; Aguado de Cea, Antonio (2016-01)
      Article
      Accés obert
      In the analysis of the behavior of concrete structures affected by expansive problems, it is often necessary to use kinetics models of the reactions involved to assess and predict the magnitude, distribution, and evolution ...

    • Discrete element modelling of the fresh state behavior of pervious concrete 

      Pieralisi, Ricardo; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2016-12)
      Article
      Accés obert
      The objective of this paper is to propose a novel numerical approach to evaluate the fresh state behavior of pervious concrete (PC). A new constitutive law applied to Discrete Element Method was developed for the simulation ...

    • Diseño de tanques cilíndricos de ferrocemento para construir en comunidades rurales de países en desarrollo 

      Masó, J; Molins i Borrell, Climent; Aguado de Cea, Antonio (International Centre for Numerical Methods in Engineering (CIMNE), 2005)
      Llibre
      Accés obert
      En este documento se presenta un estudio sobre el diseño y la construcción de depósitos de ferrocemento para países en vías de desarrollo. Se le da un especial énfasis al hecho de que los depósitos que se plantean están ...

    • 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 ...

    • Diseño y análisis de secciones de hormigón estructural frente solicitaciones normales 

      Aguado de Cea, Antonio; Fuente Antequera, Albert de la; Arrarte, Diego (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
      Comunicació de congrés
      Accés obert
      En esta comunicación se presenta una experiencia piloto en la enseñanza de la materia Hormigón Estructural de la titulación de Ingenieros de Caminos, Canales y Puertos de la UPC, la cual puede ser fácilmente extendida a ...

    • Distribution of fibers in SFRC segments for tunnel linings 

      Carmona, Sergio; Molins i Borrell, Climent; Aguado de Cea, Antonio; Mora, Felipe (2016-01)
      Article
      Accés obert
      This paper presents research results regarding the distribution of steel fibers in concrete used to build precast tunnel segments for Line 9 of the Barcelona Metro. The fiber distribution was studied using the actual fiber ...

    • 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 ...

    • Double Punch Test to control the energy dissipation in tension of FRC (Barcelona test) 

      Molins i Borrell, Climent; Aguado de Cea, Antonio; Saludes Requena, Sergio (RILEM, 2008)
      Article
      Accés obert
      Current testing methods used to measure tensile properties of Fiber Reinforced Concrete(FRC) are mainly based on bending test of beam specimens. They normally show a considerable scatter that makes difficult the quality ...

    • Double-punch test of fiber-reinforced concrete: effect of specimen origin and size 

      Aire, Carlos; Carmona Malatesta, Sergio; Aguado de Cea, Antonio; Molins i Borrell, Climent (2015-03)
      Article
      Accés restringit per política de l'editorial
      One of the main advantages of the Barcelona test is that the properties of fiber-reinforced concrete (FRC) can be determined by using cylindrical specimens, thereby permitting the use of cores to control the quality of ...

    • Dovelas de hormigón (concreto) reforzado con fibras para el soporte de túneles y pozos verticales 

      Fuente Antequera, Albert de la; Pujadas Álvarez, Pablo; Blanco Álvarez, Ana; Aguado de Cea, Antonio (Asociación Mexicana de Ingeniería de Túneles y Obras Subterráneas (AMITOS), 2018-04)
      Article
      Accés obert
      El empleo del hormigón reforzado con fibras (HRF) para dovelas de anillos de revestimiento de túneles es ya una práctica habitual a nivel nacional e internacional. En este sentido, las ventajas técnicas a las que conduce ...

    • Durability of concrete with electric arc furnace slag aggregate 

      González Ortega, Martha Alejandra; Pialarissi Cavalaro, Sergio Henrique; Rodríguez de Sensale, Gemma; Aguado de Cea, Antonio (Elsevier, 2019-08)
      Article
      Accés obert
      The durability of concrete mixes with EAF slag as aggregate (HS) is studied; mixes with limestone (HC) and barite (HAB) aggregates were used as reference for structural and heavy-weight applications, respectively. Compressive ...