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  • Case study of a heavily damaged building during the 2016 MW 7.8 Ecuador earthquake: directionality effects in seismic actions and damage assessment 

    Pinzón Ureña, Luis; Pujades Beneit, Lluís; Medranda, Irving; Alva Bañuelos, Rodrigo Esteban (2021-02)
    Article
    Open Access
    In this work, the directionality effects during the MW 7.8 earthquake, which occurred in Muisne (Ecuador) on 16 April 2016, were analyzed under two perspectives. The first one deals with the influence of these effects on ...
  • Entropy indicators: an approach for low-speed bearing diagnosis 

    Sandoval Núñez, Diego Aníbal; Leturiondo, Urko; Vidal Seguí, Yolanda; Pozo Montero, Francesc (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-01)
    Article
    Open Access
    To increase the competitiveness of wind energy, the maintenance costs of offshore floating and fixed wind turbines need to be reduced. One strategy is the enhancement of the condition monitoring techniques for pitch bearings, ...
  • A strong-motion database of Costa Rica: 20 Yr of digital records 

    Moya-Fernandez, Aaron; Pinzón Ureña, Luis; Schmidt-Díaz, Victor; Hidalgo-Leiva, Diego; Pujades Beneit, Lluís (2020-11)
    Article
    Restricted access - publisher's policy
    In this article, we present a strong-motion database from earthquakes recorded by the Earthquake Engineering Laboratory at the University of Costa Rica. The database consists of 2471 three-component accelerograms from 155 ...
  • Application of manifold learning algorithms to improve the classification performance of an electronic nose 

    León Medina, Jersson Xavier; Anaya Vejar, Maribel; Pozo Montero, Francesc; Tibaduiza Burgos, Diego Alexander (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Restricted access - publisher's policy
    The problem of classification and the use of robust methodologies in electronic nose sensor arrays applications are still open. Among the several steps in the developed method- ologies, it is clear that feature extraction ...
  • Identificación no lineal de movimientos sísmicos en el lecho rocoso ingenieril a partir de registros tomados en la superficie 

    Rodríguez Sánchez, Julio; López Almansa, Francisco; Ledesma Villalba, Alberto (Asociación Chilena de Sismología e Ingeniería Antisísmica, 2019)
    Conference report
    Open Access
    En ingeniería sísmica, los registros disponibles suelen ser superficiales y, en consecuencia, los movimientos en las capas inferiores deben ser estimados conociendo el perfil estratigráfico del terreno; estos movimientos ...
  • 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 ...
  • Increased seismic hazard in Barcelona (Spain) due to soil-building resonance effects 

    Pinzón Ureña, Luis; Pujades Beneit, Lluís; Macau, Albert; Figueras Vila, Sara (Elsevier, 2019-02)
    Article
    Open Access
    In this study, previous microzonation studies in Barcelona (Spain) were revisited, and available data on the predominant periods of soils in the city were compiled to develop an updated microzonation map of the city. In ...
  • An efficient method for considering the directionality effect of earthquakes on structures 

    Pinzón Ureña, Luis; Díaz Carrasco, Sergio; Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe (2019-04)
    Article
    Open Access
    Recent research have proven the importance of considering the directionality effect on the expected seismic damage of structures. However, it demands a high computational effort if the nonlinear dynamic analysis (NLDA) is ...
  • 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 ...
  • A drift-correlated ground motion intensity measure: application to steel frame buildings 

    Pinzón Ureña, Luis; Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Díaz Carrasco, Sergio (Elsevier, 2020-05)
    Article
    Open Access
    Estimations of seismic risk in urban areas should include quantifications of the expected damage to civil structures subjected to earthquakes. In buildings, this quantification depends on the maximum inter-story drift ...
  • 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, ...
  • 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, ...

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