Exploració per autor "Pelà, Luca"
Ara es mostren els items 99-118 de 121
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Regularization of first order computational homogenization for multiscale analysis of masonry structures
Petracca, Massimo; Pelà, Luca; Rossi, Riccardo; Oller Martínez, Sergio Horacio; Camata, Guido; Spacone, Enrico (2016-02)
Article
Accés obertThis paper investigates the possibility of using classical first order computational homogenization together with a simple regularization procedure based on the fracture energy of the micro-scale-constituents. A generalized ... -
Relationship between the static and dynamic elastic modulus of brick masonry constituents
Makoond, Nirvan Chandra; Cabané Cañas, Albert; Pelà, Luca; Molins i Borrell, Climent (Elsevier, 2020-10)
Article
Accés obertDifferent brick masonry typologies have been and are still widely used in construction worldwide. Despite being a fundamental deformation property, experimentally determining the static elastic modulus in compression for ... -
Repair and strengthening of R/C bridges degraded by environmental actions and pollution
Benedetti, Andrea; Donchev, Ted; Pelà, Luca (2012)
Text en actes de congrés
Accés restringit per política de l'editorialMany bridges all around the world experience very hard environmental conditions, and due to the irregular maintenance effort, show different problems of cracking, concrete cover detachment and steel reinforcement wear and ... -
Repair and strengthening with FRP of damaged bridge R/C slabs
Aprile, Alessandra; Pelà, Luca; Benedetti, Andrea (2007)
Text en actes de congrés
Accés restringit per política de l'editorialThe object of the present study is a viaduct, known as "Fornello", of the Orte-Ravenna highway (E45), Italy, managed by the National Organization for Highways (ANAS). -
Review of different pushover analysis methods applied to masonry buildings and comparison with nonlinear dynamic analysis
Endo, Yohei; Pelà, Luca; Roca Fabregat, Pedro (2016-08)
Article
Accés obertThis article presents the comparison among different nonlinear seismic analysis methods applied to masonry buildings, i.e., pushover analyses with invariant lateral force distributions, adaptive pushover analysis and ... -
Robust estimation of axial loads sustained by tie-rods in historical structures using Artificial Neural Networks
Makoond, Nirvan Chandra; Pelà, Luca; Molins i Borrell, Climent (2022-10)
Article
Accés obertWidely used simplified analytical methods for estimating the tensile force in tie-rods are clearly not applicable when they contain significant discontinuities or irregularities. A common example for which this fact becomes ... -
Seismic assessment of historical masonry construction including uncertainty
Petromichelakis, Yiannis; Saloustros, Savvas; Pelà, Luca (2014)
Text en actes de congrés
Accés obertThe evaluation of the seismic vulnerability in monumental buildings is a complex task. This is due to the inherent uncertainty of ancient structures regarding their structural characteristics and material properties that ... -
Seismic numerical analysis of an Inca stone wall in Sacsayhuaman using rigid body dynamics within a finite element framework
Lipa Cusi, Leonel; Tarque Ruiz, Sabino Nicola; Pelà, Luca; Goicolea, José Maria (Elsevier, 2024-07)
Article
Accés obertThe study and conservation of the stone heritage is a global concern, mainly when the buildings are in seismic zones. Stone structures can be very simple or considerably complex, depending on their style and form of ... -
Seismic performance of typical hybrid buildings in the urban centre of Barcelona
Dimovska, Sara; Saloustros, Savvas; Pelà, Luca; Roca Fabregat, Pedro (Universidad de Cantabria, 2022)
Text en actes de congrés
Accés restringit per política de l'editorialUnreinforced existing masonry buildings, located in many historical urban centres, present specific construction characteristics that can have a significant impact on their seismic performance. As these structures are often ... -
Seismic risk assessment and mitigation at emergency limit condition of historical buildings along strategic urban roadways: application to the ‘antiga esquerra de l’Eixample’ neighborhood of Barcelona
Cara, Selma; Aprile, Alessandra; Pelà, Luca; Roca Fabregat, Pedro (Taylor & Francis, 2018-10)
Article
Accés obertThis article presents a management tool for the large-scale assessment and mitigation of the seismic risk of urban systems. The research introduces a new perspective for a scientifically tackled holistic approach. The ... -
Seismic vulnerability assessment of representative building typologies from Barcelona's Eixample district
Dimovska, Sara; Saloustros, Savvas; Pelà, Luca; Roca Fabregat, Pedro (International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Text en actes de congrés
Accés obertUnreinforced masonry buildings prevail in many old historical centres and urban areas worldwide. These structures may present inadequate seismic performance because they were often designed without considering any seismic ... -
Seismic vulnerability index method for hybrid timber–masonry structures: numerical calibration and application to the city of Valparaíso, Chile
Jiménez Ramírez, María Belén; Saloustros, Savvas; Pelà, Luca (Elsevier, 2021-12)
Article
Accés obertThis paper presents a procedure for the extension of the Vulnerability Index Method (VIM) to the seismic assessment of hybrid timber–masonry buildings. The research is based on the execution of a detailed numerical study ... -
Static structural health monitoring and automated data analysis procedures applied to the diagnosis of a complex medieval masonry monastery
Makoond, Nirvan Chandra; Pelà, Luca; Molins i Borrell, Climent; Roca Fabregat, Pedro (2020)
Text en actes de congrés
Accés obertStatic structural health monitoring (SHM), aimed at the continuous measurement of slow-varying parameters over a long period, has been proved to be a powerful tool to support the diagnosis of masonry heritage structures. ... -
Structural assessment of Mallorca Cathedral
Roca Fabregat, Pedro; Cervera Ruiz, Miguel; Pelà, Luca; Clemente, Roberto; Chiumenti, Michele (2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
Structural assessment of the masonry vaults of a pavilion of Hospital de Sant Pau in Barcelona
Endo, Yohei; Roca Fabregat, Pedro; Pelà, Luca; García, Joan Francesc; Zazurca, Mercè (2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe large complex of Hospital de la Santa Creu i de Sant Pau in Barcelona, built between 1901 and 1930 and designed (in their largest part) by architect Lluís Domènech i Montaner, constitute one of the major examples of ... -
The inspection by minor destructive testing in projects of adaptive reuse of historical masonry buildings and design of green rooftops in Barcelona
Pelà, Luca; Cabané Cañas, Albert; Cuadros Rojas, Emerson Julio; Garcia Ramonda, Larisa; Roca Fabregat, Pedro (Springer, 2023)
Text en actes de congrés
Accés restringit per política de l'editorialThe mechanical characterisation of existing masonry in historical structures encounters several technical dif-ficulties due to the complexity and heterogeneity of this traditional material, as well as to the need for ... -
Torque Penetrometric Test for the in-situ characterisation of historical mortars: fracture mechanics interpretation and experimental validation
Marastoni, Diego; Benedetti, Andrea; Pelà, Luca; Pignagnoli, Giacomo (2017-12)
Article
Accés obertThe assessment of historical structures requires appropriate knowledge of the behaviour of the investigated materials. Concerning masonry, its mechanical characterisation is a challenging task, since its composite nature ... -
Tracking multi-directional intersecting cracks in numerical modelling of masonry shear walls under cyclic loading
Saloustros, Savvas; Cervera Ruiz, Miguel; Pelà, Luca (2018-05)
Article
Accés obertIn-plane cyclic loading of masonry walls induces a complex failure pattern composed of multiple diagonal shear cracks, as well as flexural cracks. The realistic modelling of such induced localized cracking necessitates the ... -
Tracking of localized cracks in the finite element analysis of masonry walls
Saloustros, Savvas; Pelà, Luca; Cervera Ruiz, Miguel; Roca Fabregat, Pedro (Springer, Cham, 2019)
Text en actes de congrés
Accés restringit per política de l'editorialMacro-models are a common choice for the numerical analysis of large-scale masonry structures. Despite their efficiency in terms of pre-processing and computational cost, these strategies often result in a poor representation ... -
Validation of non-linear equivalent-frame models for irregular masonry walls
Camata, Guido; Marano, Corrado; Sepe, Vincenzo; Spacone, Enrico; Siano, Rossella; Petracca, Massimo; Roca Fabregat, Pedro; Pelà, Luca (Elsevier, 2022-02)
Article
Accés obertThis article compares the results obtained from the analyses of seven two-story masonry walls with an asymmetric arrangement of the openings. The walls are modelled with finite elements detailed micromodels and equivalent ...