Now showing items 1-20 of 236

    • A Model for the analysis of concrete dams due to environmental thermal effects 

      Agulló Fité, Luís; Mirambell Arrizabalaga, Enrique; Aguado de Cea, Antonio (Emerald, 1996)
      Article
      Open Access
      In this article, an analytical model is presented for the simulation of the thermal behavior of dams that are subjected to the environmental thermal action during service. The method of solution adopted as well as the ...
    • A model for the analysis of concrete dams due to environmental thermal effects 

      Agulló Fité, Luís; Mirambell Arrizabalaga, Enrique; Aguado de Cea, Antonio (1996-07)
      Article
      Open Access
      In this article, an analytical model is presented for the simulation of the thermal behaviour of dams that are subjected to environmental thermal action during service. The method of solution adopted, as well as the ...
    • A review of sample preparation and its influence on pH determination in concrete samples 

      Manso Blanco, Sandra; Aguado de Cea, Antonio (Instituto Técnico de la Construcción y del Cemento, 2017-01)
      Article
      Open Access
      If we are to monitor the chemical processes in cementitious materials, then pH assays in the pore solutions of cement pastes, mortars, and concretes are of key importance. However, there is no standard method that regulates ...
    • A sinergia estrutural do betão auto-compactável reforçado com fibras 

      Laranjeira de Oliveira, Filipe; Grünewald, Steffen; Molins i Borrell, Climent; Aguado de Cea, Antonio (2010)
      Conference report
      Restricted access - publisher's policy
      O betão auto-compactável reforçado com fibras (BACRF) surge como uma consequência natural da tentativa de reunir num único material as vantagens associadas aos betões auto-compactáveis (BAC) e aos betões reforçados com ...
    • A value function for assessing sustainability: application to industrial building 

      Alarcón, Bibiana; Aguado de Cea, Antonio; Manga Conte, Resmundo; Josa Garcia-Tornel, Alejandro (2010-12-27)
      Article
      Open Access
      Decision support tools based on multi-attribute analysis involve the use of different types of variables. These variables are aimed at providing a framework that allows preferences to be quantified. This is particularly ...
    • A vector scale of severity of damages in buildings 

      Ruiz Gorrindo, Félix; Aguado de Cea, Antonio; Serrat Piè, Carles (2020)
      Conference report
      Open Access
      In the context of the existing buildings, along the recent years the concept of maintenance has changed from corrective maintenance to preventive maintenance, which is based in part on periodic inspections. There is ample ...
    • Absorption conformations in the intercalation process of polycarboxylate ether based superplasticizers into montmorillonite clay 

      Borralleras, Pere; Segura Pérez, Ignacio; Garcia Aranda, Miguel Angel; Aguado de Cea, Antonio (Elsevier, 2020-03)
      Article
      Open Access
      The intercalation of polycarboxylate based superplasticizers (PCE) into montmorillonite clay (MNT) is arranged preferably by two types of absorption conformations: one-to-one conformation and bridging conformation. A third ...
    • Acciones térmicas en puentes de vigas de hormigón 

      Mirambell Arrizabalaga, Enrique; Aguado de Cea, Antonio; Díez, Pedro (1990-01)
      Article
      Open Access
      En este artículo se presenta un estudio sobre la respuesta térmica de puentes de vigas frente a los efectos térmicos ambientales. La aplicación de una metodología general de obtención de las acciones térmicas que hay que ...
    • Advanced numerical assessment of the permeability of pervious concrete 

      Pieralisi, Ricardo; Pialarissi Cavalaro, Sergio Henrique; Aguado de Cea, Antonio (2017-12)
      Article
      Open Access
      The most singular characteristic of pervious concrete is its interconnected porosity that allows water to flow through at high rates. The objective of this paper is to develop and validate an advanced DEM-CFD model to ...
    • Aggregate expansivity due to sulfied oxidation - I. Reaction system and rate model 

      Casanova Hormaechea, Ignasi; Agulló Fité, Luís; Aguado de Cea, Antonio (Aggregate expansivity due to sulfied oxidation - I. Reaction system and rate model, 1996)
      Article
      Open Access
      Oxidation and hydration of sulfides in aggregate materials can yield to expansive reactions that affect the durability of concrete. This process is, in principle, independent from the potential alkali-aggregate reactivity, ...
    • Alternative methodology to consider damage and expansions in external sulfate attack modeling 

      Ikumi Montserrat, Tai; Pialarissi Cavalaro, Sergio Henrique; Segura Pérez, Ignacio; Aguado de Cea, Antonio (2014-09-01)
      Article
      Open Access
      A diffusion–reaction numerical model is proposed to simulate the response of concrete exposed to external sulfate attack. Diffusion properties are modified based on the strain reached and the ratio of porosity filled by ...
    • Análise de viabilidade do uso de fibras metálicas em tubos de concreto: parte 1: campanha experimental 

      de Figueiredo, Antonio; Fuente Antequera, Albert de la; Aguado de Cea, Antonio; Molins i Borrell, Climent; Viñolas Prat, Bernat (2010)
      Conference lecture
      Restricted access - publisher's policy
      This is the first part of a research study focusing the viability analysis of metallic fibers application for concrete sewage and water rain systems pipes. In this work is presented the methodology, materials, and test ...
    • 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
      Restricted access - publisher's policy
      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 de las causas y reparación de una estructura en situación de rotura por hundimiento de pilotes 

      Molins i Borrell, Climent; Mora, F.; Aguado de Cea, Antonio (Asociación de Ingenieros Estructurales de la República Argentina, 2005)
      Article
      Open Access
    • Análisis de viabilidad del uso de fibras metálicas en tubos de hormigón: parte 2: modelo numérico 

      Fuente Antequera, Albert de la; de Figueiredo, Antonio; Aguado de Cea, Antonio; Molins i Borrell, Climent; Viñolas Prat, Bernat (2010)
      Conference report
      Restricted access - publisher's policy
      En este trabajo se presenta un modelo denominado Análisis de Tubos de Hormigón (ATH) para el dimensionamiento y verificación de tubos de hormigón con cualquier configuración de armadura (barras de acero y fibras estructurales) ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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, ...
    • Análisis meso-mecánico del hormigón bajo la acción de procesos expansivos internos. 

      Campos, A.; López Garello, Carlos María; Aguado de Cea, Antonio (2010)
      Conference report
      Restricted access - publisher's policy
      Es conocido que la existencia de procesos expansivos en el hormigón inducidos por reacciones químicas, puede provocar una considerable degradación de sus propiedades mecánicas. Este comportamiento puede ser la respuesta a ...
    • Análisis mesoestructural de la fisuración en procesos expansivos del hormigón 

      Campos, A.; López Garello, Carlos María; Aguado de Cea, Antonio (2011)
      Article
      Restricted access - publisher's policy
      Los procesos reactivos, tales como la reacción álcali-árido, las reacciones de oxidación de sulfuros, el ataque sulfático extemo e interno, etc., provocan en general cambios de volumen diferencial en la estructura interna ...
    • Análisis numérico de la influencia de la fisuración en el comportamiento de una presa de hormigón 

      Campos, A.; López Garello, Carlos María; Aguado de Cea, Antonio (2012)
      Conference report
      Restricted access - publisher's policy
      This paper introduces a 2D simulation of a cross section of the block 13-14 of Mequinenza Dam, which presents pronounced and uncommon remaining displacements. Joint elements have been included in to the model with a nonlinear ...
    • Aplicaciones del HRFA: tuberías de hormigón 

      Fuente Antequera, Albert de la; Aguado de Cea, Antonio; Molins i Borrell, Climent (Asociación científico técnica del hormigón estructural, 2008)
      Conference lecture
      Restricted access - publisher's policy
      La inclusión de fibras durante el amasado del hormigón modifica su comportamiento de tal modo que es posible eliminar una parte o la totalidad de la armadura convencional. En el presente artículo hará un recorrido completo ...