Ara es mostren els items 63-82 de 106

    • Nonlinear analysis of RC beams using a hybrid shear-flexural fibre beam model 

      Santos Ferreira, Denise Carina; Bairán García, Jesús Miguel; Marí Bernat, Antonio Ricardo; Faria, Rui (2014-07-07)
      Article
      Accés restringit per política de l'editorial
      Purpose: A nonlinear finite element (FE) beam-column model for the analysis of reinforced concrete (RC) frames with due account of shear is presented in this paper. The model is an expansion of the traditional flexural ...
    • Nonlinear FE analysis of a full scale in situ test on a RC bridge by means of a 1D layered frame model 

      Santos Ferreira, Denise Carina; Bairán García, Jesús Miguel; Marí Bernat, Antonio Ricardo (CRC Press. Taylor & Francis Group, 2014)
      Text en actes de congrés
      Accés obert
      Assessment, upgrading and strengthening of ageing civil infrastructure is a major task for Europe. The aim is to extend the life-time of existing concrete bridges without loss of safety. Nonlinear finite element analysis ...
    • Nonlinear modelling of reinforced concrete structures 

      Bairán García, Jesús Miguel (2009)
      Text en actes de congrés
      Accés obert
      Non-linear modelling of structures is a crucial tool in order to understand complex structural behaviour, improve new design and to face the problem of assuring specific performance levels under complex loading. In this ...
    • Numerical analysis of reinforced concrete beams strengthened in shear by externally bonded (EB) fibre reinforced polymer (FRP) sheets 

      Oller Ibars, Eva; Santos Ferreira, Denise Carina; Marí Bernat, Antonio Ricardo; Bairán García, Jesús Miguel (2018-05)
      Article
      Accés restringit per política de l'editorial
      In this paper, a fibre beam model previously developed by the authors for the nonlinear analysis of strengthened elements, including the effects of shear, is used to predict the response of reinforced concrete (RC) beams ...
    • Numerical simulation since early ages of the RG8 beam test from concrack benchmark by means of a 3D fibre frame model 

      Crespo Garibay, María Delia; Ferreira, Denise; Bairán García, Jesús Miguel; Marí Bernat, Antonio Ricardo (International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents the numerical analysis of the RG8 test performed by the French research program Concrack2 in 2011. It consisted in a large RC beam specimen loaded in bending after restrained shrinkage. The specimen is ...
    • One-way shear design method based on a multi-action model 

      Cladera Bohigas, Antoni; Marí Bernat, Antonio Ricardo; Bairán García, Jesús Miguel; Oller Ibars, Eva; Ribas González, Carlos Rodrigo (2017-09)
      Article
      Accés restringit per política de l'editorial
      It is widely known that the shear strength of a reinforced concrete (RC) or prestressed concrete (PC) beam results from the interaction of different resisting actions. Thus, available simplified shear models emphasize ...
    • Partial safety factor for the residual flexural strength of FRC precast concrete segments 

      Fuente Antequera, Albert de la; Cugat Martí, Víctor; Pialarissi Cavalaro, Sergio Henrique; Bairán García, Jesús Miguel (2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The use of fibre reinforced concrete (FRC) to produce segmental linings of TBM-constructed tunnels is an increasing tendency. So far, more than 50 tunnels have been constructed with this structural material, in some of ...
    • Performance of existing modernist buildings in Barcelona 

      Moreno González, Rosángel; Bairán García, Jesús Miguel (2015-08)
      Article
      Accés obert
      Seismic vulnerability of a set of unreinforced masonry aggregated buildings of more than 70 years old located in Barcelona (Spain) is investigated. Four different model buildings are studied: they consist of three isolated ...
    • Predicting the shear–flexural strength of slender reinforced concrete T and I shaped beams 

      Cladera Bohigas, Antoni; Marí Bernat, Antonio Ricardo; Ribas González, Carlos Rodrigo; Bairán García, Jesús Miguel; Oller Ibars, Eva (2015-10)
      Article
      Accés obert
      A mechanical model previously developed by the authors for the prediction of the shear flexural strength of slender reinforced concrete beams with rectangular cross-section with or without stirrups has been extended to ...
    • Proyecto de estructuras de hormigón armado con aceros de alta ductilidad 

      Bairán García, Jesús Miguel (Universitat Politècnica de Catalunya, 2007)
      Tesina
      Accés obert
      Actualmente, en España se fabrican aceros con características especiales de ductilidad, bajo al tipificación SD en la Instrucción EHE, cuya capacidad de deformación en rango plástico es muy superior a la de los ...
    • Reducing eccentricity in plan-irregular buildings through an innovative stiffening solution of the façade frames 

      Moyano, Gabriel; Bairán García, Jesús Miguel (Universidade de Lisboa, 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Adjusting to architectonic and urbanistic constraints in dense cities frequently require plan irregularities in structures. One recurrent case in many cities is the combination of a frame in the façade, to allow parking ...
    • Refuerzo a cortante de vigas de hormigón armado, mediante laminados de polímeros reforzados con fibras (FRP) 

      Pujol Sánchez, Mireia; Bairán García, Jesús Miguel; Oller Ibars, Eva; Marí Bernat, Antonio Ricardo (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      En la actualidad, la aplicación de laminados de polímeros reforzados con fibras (FRP) en el campo de la reparación y del refuerzo de estructuras de hormigón resulta cada vez más frecuente. Si bien los mecanismos de rotura ...
    • Refuerzo de estructuras de hormigón armado con laminados de fibra de carbono (CFRP) 

      Oller Ibars, Eva; Marí Bernat, Antonio Ricardo; Bairán García, Jesús Miguel (Universitat Politècnica de Catalunya. Escola Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-15)
      Comunicació de congrés
      Accés obert
      El uso de los materiales compuestos en el campo del refuerzo estructural ha experimentado un notable crecimiento en los últimos años gracias a sus elevadas relaciones resistencia/peso y rigidez/peso, que permiten reducir ...
    • Reliability of shear strength models for fibre reinforced concrete members without shear reinforcement 

      Tošić, Nikola; Bairán García, Jesús Miguel; Fuente Antequera, Albert de la (Springer, 2021)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The scope and amount of fibre reinforced concrete (FRC) structural applications have seen significant increases. This means that safe and reliable ultimate limit state (ULS) models are necessary for FRC structural members. ...
    • Reliability-based assessment of the Eurocode 2-revision and fib Model Code 2020 shear strength models for fibre reinforced concrete members without shear reinforcement 

      Tošić, Nikola; Bairán García, Jesús Miguel; Fernández Ruíz, Miguel; Fuente Antequera, Albert de la (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Structural design of fibre reinforced concrete (FRC) was first introduced on an international level in the fib Model Code 2010. Since then, and facilitated by this and many other advances in research and practice, its ...
    • Reliability-based assessment of the partial factor for shear design of fibre reinforced concrete members without shear reinforcement 

      Bairán García, Jesús Miguel; Tošić, Nikola; Fuente Antequera, Albert de la (2021-10)
      Article
      Accés obert
      Fibre reinforced concrete (FRC) is increasingly used for structural purposes owing to its many benefits, especially in terms of improved overall sustainability of FRC structures relative to traditional reinforced concrete ...
    • Remando al viento: torres S.C.S. para generadores eólicos 

      Montaner Fragüet, Jesús; Bairán García, Jesús Miguel; Marí Bernat, Antonio Ricardo (Asociacion Científica del Hormigón Estructural (ACHE), 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      En esta ponencia se plantean algunos aspectos relevantes en el proyecto de torres eólicas de hormigón, enfatizando en las ventajas de la prefabricación y del postensado. Se presenta el concepto de una torre modular de ...
    • Resistencia a cortante de elementos de hormigón parcialmente pretensado 

      Celada Blesa, Ulric; Duarte Gómez, Noemí; Bairán García, Jesús Miguel; Oller Ibars, Eva; Marí Bernat, Antonio Ricardo (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Se presenta una campaña experimental de elementos de hormigón parcialmente pretensado y una formulación a cortante basada en modelos mecánicos. Se compararán los resultados experimentales con diferentes normativas y se ...
    • Resistencia a cortante de elementos sin armadura transversal 

      Pérez Caldentey, Alejandro; Bairán García, Jesús Miguel; Cladera Bohigas, Antoni; Cifuentes, Hector; Domínguez Álvarez, Aurelio; Fernández Montes, David; Izquierdo López, David; Navarro, Juan; Ruiz, Gonzalo; Carmona, Jacinto; Padilla, Patricio; Zanuy, Carlos (Asociación Científico Técnica del Hormigón Estructural, 2016)
      Llibre
      Accés restringit per política de l'editorial
    • Resistencia al fuego de pilares de hormigón según el Eurocódigo 2 y comparación con la EHE-08. Métodos de comprobación mediante tablas 

      Corres Peiretti, Hugo; Ariñez Fernández, Fredy; Bairán García, Jesús Miguel; Carrascon, Sergio; Marí Bernat, Antonio Ricardo (2014-06-30)
      Article
      Accés restringit per política de l'editorial
      En este trabajo se presenta la propuesta del Eurocódigo 2 Parte 1-2, en relación con la resistencia al fuego de los soportes de hormigón armado. El Eurocódigo 2 Parte 1-2 define dos procedimientos para la comprobación de ...