Now showing items 1-20 of 22

    • Análisis estructural de muros de mampostería asistido mediante fotografía digital para la generación de la malla 

      Capua, Daniel di; Pérez Gracia, María de la Vega; González Drigo, José Ramón (Universitat Politècnica de Catalunya, 2010)
      Article
      Open Access
    • Assessment of post-earthquake damaged building with interferometric real aperture radar 

      González Drigo, José Ramón; Cabrera, Esteban; Luzi, Guido; Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Ávila Haro, Jorge Arturo (Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-01)
      Article
      Open Access
      In this study the main results of a detailed analysis of an actual building, which was severely damaged during the Mw 5.1, May 11th 2011, Lorca earthquake (Murcia, Spain) are presented. The dynamic behavior of the building ...
    • Cálculo de elementos estructurales 

      Sánchez Molina, David; González Drigo, José Ramón (Iniciativa Digital Politècnica, 2011)
      Book
      Open Access
      El presente libro ha sido concebido como una introducción al cálculo de estructuras complejas y se dirige a estudiantes que ya han superado un primer curso de resistencia de materiales. Los capítulos 1 y 2 explican el ...
    • Digital photogrammetry, GPR and computational analysis of structural damages in a mediaeval bridge 

      Arias, P; Armesto, J; Capua, Daniel di; González Drigo, José Ramón; Lorenzo, H; Pérez Gracia, María de la Vega (Elsevier, 2007-02)
      Article
      Restricted access - publisher's policy
      Traditional architectonic heritage elements are fragile and irreplaceable resources, signs of the ancient ways of life and the history of the modern societies, and essential valuable elements of the own landscape of a ...
    • Distribución de Q de coda y análisis de la atenuación sísmica intrínseca y dispersiva en la Península Ibérica 

      González Drigo, José Ramón; Pérez Gracia, María de la Vega; Pujades Beneit, Lluís; Caselles Magallón, Josep Oriol; Canas Torres, José Antonio (Universitat Politècnica de Catalunya, 2003)
      Article
      Open Access
      Este estudio recoge los principales resultados del trabajo sobre modelización de la anelasticidad en la Península Ibérica a partir de ondas de Coda correspondientes a una selección de 935 registros sísmicos digitales ...
    • Dynamic monitoring of a mid-rise building by real-aperture radar interferometer: advantages and limitations 

      Alva Bañuelos, Rodrigo Esteban; Pujades Beneit, Lluís; González Drigo, José Ramón; Luzi, Guido; Caselles Magallón, Josep Oriol; Pinzón Ureña, Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2020-03)
      Article
      Open Access
      In this paper, remote and in situ techniques to estimate the dynamic response of a building to ambient vibration are reported: data acquired through a real-aperture radar (RAR) interferometer and conventional accelerometers ...
    • GPR Backscattering intensity analysis applied to detect paleochannels and infilled streams for seismic nanozonation in Urban Environments 

      Santos Assunçao, Sonia; Pérez Gracia, María de la Vega; Salinas Naval, Víctor; Caselles Magallón, Josep Oriol; González Drigo, José Ramón; Pujades Beneit, Lluís; Lantada, Nieves (2016-01-29)
      Article
      Open Access
    • GPR resolution in cultural heritage applications 

      Pérez Gracia, María de la Vega; Capua, Daniel di; González Drigo, José Ramón; Caselles Magallón, Josep Oriol; Pujades Beneit, Lluís; Salinas Naval, Víctor (2010-06-21)
      Conference report
      Open Access
      The non-destructive study of historical buildings, archaeological sites and other Cultural Heritage structures requires high resolution methodologies and a good knowledge of the potential of the different methods. Laboratory ...
    • Ground-penetrating radar evaluation of the ancient Mycenaean monument Tholos Acharnon tomb 

      Santos Assunçao, Sonia; Dimitriadis, Klisthenis; Konstantakis, Yiannis; Pérez Gracia, María de la Vega; Anagnostopoulou, Eirini; González Drigo, José Ramón (2016-04-01)
      Article
      Open Access
      Covenantee:   Geoservice, Geological & Geophysical Consultants
      The assessment of cultural heritage requires high-resolution and non-destructive methodologies. Ground-penetrating radar is widely applied in the inspection of historical buildings. However, some structures with curved ...
    • Lab non destructive test to analyze the effect of corrosion on ground penetrating radar scans 

      Sossa Arancibia, Viviana Alejandra; Pérez Gracia, María de la Vega; González Drigo, José Ramón; Rasol, Mezgeen Abdulrahman (Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-01)
      Article
      Open Access
      Corrosion is a significant damage in many reinforced concrete structures, mainly in coastal areas. The oxidation of embedded iron or steel elements degrades rebar, producing a porous layer not adhered to the metallic ...
    • Laboratory characterization of a GPR antenna for high-resolution testing: radiation pattern and vertical resolution 

      Pérez Gracia, María de la Vega; Capua, Daniel di; González Drigo, José Ramón; Pujades Beneit, Lluís (2009-06)
      Article
      Restricted access - publisher's policy
      High-resolution ground-penetrating radar (GPR) evaluations of structures are usually carried out using antennas with high nominal centre frequencies (between 1 and 2GHz). A comprehensive characterization of such an antenna ...
    • Nanozonation in dense cities : testing a combined methodology in Barcelona City (Spain) 

      Salinas Naval, Víctor; Caselles Magallón, Josep Oriol; Pérez Gracia, María de la Vega; Santos Assunçao, Sonia; Clapes Boixader, Jaime; Pujades Beneit, Lluís; González Drigo, José Ramón; Canas Torres, José Antonio; Martínez Sánchez, Joan (2014-01-02)
      Article
      Open Access
      Microzonation is widely used in seismic risk evaluations to define the predominant period values, which are usually associated with extended areas of a few hundred meters. However, the representative values corresponding ...
    • New parametric model for capacity curves and a new capacity based damage index 

      Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Barbat Barbat, Horia Alejandro; González Drigo, José Ramón; Díaz-Alvarado, S.A.; Hidalgo-Leiva, D.A. (2016)
      Conference report
      Restricted access - publisher's policy
      A recently proposed parametric model re-conceptualizes capacity curves as composed by linear and non-linear parts. The normalized non-linear capacity curve can be modelled by a cumulative lognormal function. While the ...
    • Non-linear static procedures applied to high-rise residential URM buildings 

      González Drigo, José Ramón; Ávila Haro, Jorge Arturo; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro (2016-06-15)
      Article
      Open Access
      © 2016 Springer Science+Business Media Dordrecht In this work, the vulnerability of an unreinforced masonry building, evaluated on the one hand by using the incremental dynamic analysis, and on the other hand by using nine ...
    • On the equal displacement aproximation for mid-rise reinforced concrete buildings 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; González Drigo, José Ramón; Alva Bañuelos, Rodrigo Esteban; Pinzón Ureña, Luis (Institute of Structural Analysis and Antiseismic Research School of Civil Engineering. National Technical University of Athens (NTUA), 2019)
      Conference report
      Open Access
      The equal displacement approximation is a well-known procedure for estimating the non-linear behavior of structures subjected to earthquake ground motions. This procedure plays a significant role in current seismic design, ...
    • Parametric model for capacity curves 

      Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Barbat Barbat, Horia Alejandro; González Drigo, José Ramón (2015-05)
      Article
      Open Access
      A parametric model for capacity curves and capacity spectra is proposed. The capacity curve is considered to be composed of a linear part and a nonlinear part. The normalized nonlinear part is modelled bymeans of a cumulative ...
    • Remote ambient vibration measurements with real aperture radar to estimate buildings dynamic properties 

      Alva Bañuelos, Rodrigo Esteban; González Drigo, José Ramón; Luzi, Guido; Caselles Magallón, Josep Oriol; Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Pinzón Ureña, Luis (Institute of Structural Analysis and Antiseismic Research School of Civil Engineering. National Technical University of Athens (NTUA), 2019)
      Conference report
      Open Access
      The use of sensors to obtain the dynamic properties of structures by means of ambient vibrations has become a common practice. However, conventional and more extensively used methods require the installation of sensors, ...
    • Seismic assessment of high-rise URM buildings: a probabilistic approach 

      Ávila Haro, Jorge Arturo; González Drigo, José Ramón; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro (2016)
      Conference report
      Restricted access - publisher's policy
      The definition of the seismic demand and the correct characterization of the mechanical properties of the materials are two of the major difficulties in the seismic damage assessment of unreinforced masonry buildings due ...
    • Seismic damage assessment of URM buildings: a comparison of non-linear static procedures 

      González Drigo, José Ramón; Ávila Haro, Jorge Arturo; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro (2016)
      Conference report
      Restricted access - publisher's policy
      In the scientific literature, a significant number of non-linear procedures are proposed in order to evaluate the seismic vulnerability of a building. In this work, and in the context of the Risk-UE methodology, a complete ...
    • Seismic risk assessment using stochastic nonlinear models 

      Vargas Alzate, Yeudy Felipe; Lantada, Nieves; González Drigo, José Ramón; Pujades Beneit, Lluís (2020-02)
      Article
      Open Access
      The basic input when seismic risk is estimated in urban environments is the expected physical damage level of buildings. The vulnerability index and capacity spectrum-based methods are the tools that have been used most ...