Ara es mostren els items 1-20 de 54

  • A crack-tracking technique for localized cohesive-frictional damage 

    Saloustros, Savvas; Pelà, Luca; Cervera Ruiz, Miguel (2015-12-01)
    Article
    Accés obert
    This paper extends the use of crack-tracking techniques within the smeared crack approach for the numerical simulation of cohesive-frictional damage on quasi-brittle materials. The mechanical behaviour is described by an ...
  • A localized mapped damage model for orthotropic materials 

    Pelà, Luca; Cervera Ruiz, Miguel; Oller Martínez, Sergio Horacio; Chiumenti, Michèle (2014-05-08)
    Article
    Accés restringit per política de l'editorial
    This paper presents an implicit orthotropic model based on the Continuum Damage Mechanics isotropic models. A mapping relationship is established between the behaviour of the anisotropic material and that of an isotropic ...
  • A macro-modelling finite element technique for the realistic simulation of cracking in masonry structures 

    Saloustros, Savvas; Pelà, Luca; Cervera Ruiz, Miguel; Roca Fabregat, Pedro (CRC Press, 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents an improved computational model for the analysis of masonry structures based on continuum mechanics finite element approaches. The proposed numerical technique uses a cracktracking algorithm to model ...
  • An orthotropic damage model for the analysis of masonry structures 

    Pelà, Luca; Cervera Ruiz, Miguel; Roca Fabregat, Pedro (2013)
    Article
    Accés restringit per política de l'editorial
    This paper presents a numerical model for nonlinear analysis of masonry structural elements based on Continuum Damage Mechanics. The material is described at the macro-level, i.e. it is modeled as a homogeneous orthotropic ...
  • Analisi di strutture murarie rinforzate con FRP attraverso modelli reticolari non lineari 

    Benedetti, Andrea; Marani, Federica; Pelà, Luca (Pitágora, 2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Nell’articolo si affronta il tema della valutazione di affidabilità sismica di strutture ordinarie di muratura anche rinforzate con polimeri CFRP. La valutazione dell’efficienza di interventi di consolidamento ed altresì ...
  • Analisi pushover di ponti in muratura 

    Aprile, Alessandra; Pelà, Luca; Benedetti, Andrea (2006)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    I ponti ad arco in muratura sono assai diffusi nella rete infrastrutturale nazionale; si tratta di opere costruite per lo più nel secolo scorso, che svolgono tuttora la propria attività a pieno regime. Il recente adeguamento ...
  • Analysis of the effect of provisional ties on the construction and current deformation of Mallorca cathedral 

    Pelà, Luca; Bourgeois, Julien; Roca Fabregat, Pedro; Cervera Ruiz, Miguel; Chiumenti, Michèle (2016-04)
    Article
    Accés restringit per política de l'editorial
    This paper presents the analysis of the structure of Mallorca Cathedral taking into account the influence on structural behaviour of auxiliary iron ties used during the construction process. Recent studies (Roca et al., ...
  • Analysis of the performance in the linear field of Equivalent-Frame Models for regular and irregular masonry walls 

    Siano, Rossella; Sepe, Vincenzo; Camata, Guido; Spacone, Enrico; Roca Fabregat, Pedro; Pelà, Luca (2017-08)
    Article
    Accés restringit per política de l'editorial
    The Equivalent-Frame Method (EFM), a simplified procedure for structural modelling of masonry constructions, is having a great success for the good balance that it allows between the accuracy of the geometrical description ...
  • Assessment of structural damage in historical constructions using numerical models : the case of the church of the Poblet Monastery 

    Saloustros, Savvas; Pelà, Luca; Roca Fabregat, Pedro; Portal, Jorge (2014)
    Text en actes de congrés
    Accés obert
    This paper presents the assessment of the structural damage and stability of the church of the Royal Monastery of Santa Maria de Poblet, one of the UNESCO World Heritage sites in Spain. The structure presents damage ...
  • Classes-workshop per a projectes en grup 

    Pelà, Luca; Roca Fabregat, Pedro; Molins i Borrell, Climent (Institut de Ciències de l'Educació (ICE), 2014)
    Capítol de llibre
    Accés obert
    La publicació que teniu a les mans és el resultat de la I Convocatòria de Bones Pràctiques Docents a la UPC de l’any 2013, que en la seva primera edició es va centrar en recollir exemples sobre metodologies actives que es ...
  • Classes-workshop per a projectes en grup 

    Pelà, Luca; Molins i Borrell, Climent; Roca Fabregat, Pedro (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2014-04-24)
    Text en actes de congrés
    Accés obert
    L'activitat d'aprenentatge actiu ha estat implementada a l’assignatura Inspecció, Anàlisi i Restauració de Construccions Històriques. La pràctica docent consisteix a dedicar dues classes de tres hores a dos tallers ...
  • Combining Brazilian tests on masonry cores and double punch tests for the mechanical characterization of historical mortars 

    Marastoni, Diego; Pelà, Luca; Benedetti, Andrea; Roca Fabregat, Pedro (2016-06)
    Article
    Accés restringit per política de l'editorial
    This research presents a novel integrated methodology for the experimental characterization of historical mortars, including different types of laboratory tests. Different experimental tests on lime mortar brickwork were ...
  • Comparison of MDT techniques for mechanical characterization of historical masonry 

    Pelà, Luca; Roca Fabregat, Pedro; Aprile, Alessandra (CRC Press, 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents the results of an experimental program evaluating the possibility of available Minor Destructive Testing (MDT) techniques for the mechanical characterization of historical masonry. In particular, the ...
  • Comparison of seismic analysis methods applied to a historical church struck by 2009 L’Aquila earthquake 

    Endo, Yohei; Pelà, Luca; Roca Fabregat, Pedro; da Porto, F.; Modena, C. (2015-07)
    Article
    Accés obert
    This paper presents the seismic assessment of a historical church by means of different analysis methods. The church of San Marco, seriously damaged by 2009 L’Aquila earthquake, Italy, is chosen as case-study. The analysis ...
  • Comparison of seismic assessment procedures for masonry arch bridges 

    Pelà, Luca; Aprile, Alessandra; Benedetti, Andrea (2013-01)
    Article
    Accés restringit per política de l'editorial
    This work delves into the seismic assessment of masonry bridges through a detailed analysis of an existing triple-arched bridge. Firstly, the effectiveness of the nonlinear static analysis is evaluated by means of a ...
  • Complete experimental characterization of lime mortar and clay brick masonry 

    Pelà, Luca; Canella, Elisa; Kasioumi, Konstantina; Roca Fabregat, Pedro; Marastoni, Diego (Taylor & Francis, 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This work investigates the mechanical behaviour of lime mortar and clay brick masonry by presenting the results of a comprehensive experimental program carried out in the laboratory. Different kinds of masonry samples were ...
  • Compression test of masonry core samples extracted from existing brickwork 

    Pelà, Luca; Canella, Elisa; Aprile, Alessandra; Roca Fabregat, Pedro (2016-08)
    Article
    Accés restringit per política de l'editorial
    This research is focused on the experimental characterisation of the compressive behaviour of masonry in existing buildings. The proposed technique is based on in situ core drilling of masonry members. Two walls were built ...
  • Construction process numerical simulation and seismic assessment of Mallorca Cathedral 

    Roca Fabregat, Pedro; Pelà, Luca; Cervera Ruiz, Miguel; Clemente, Roberto (IB2MaC, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a numerical study of Mallorca Cathedral carried out by means of a FE approach devised for the study of this complex historical construction. Previous studies, including inspection and historical research, ...
  • Continuum damage model for nonlinear analysis of masonry structures 

    Pelà, Luca (Universitat Politècnica de Catalunya, 2009-03-26)
    Tesi
    Accés obert
    The present work focuses on the formulation of a Continuum Damage Mechanics model for nonlinear analysis of masonry structural elements. The material is studied at the macro-level, i.e. it is modelled as a homogeneous ...
  • Continuum FE models for the analysis of Mallorca Cathedral 

    Roca Fabregat, Pedro; Cervera Ruiz, Miguel; Pelà, Luca; Clemente, Roberto; Chiumenti, Michèle (2013)
    Article
    Accés restringit per política de l'editorial
    From the theoretical point of view, systems composed by masonry arches or vaults would require, during construction, the simultaneous activation of all structural elements in order to reach the optimum balance of thrusts. ...