Recent Submissions

  • Analysis of random backscattering in ground-penetrating radar signals to detect subterranean watercourses - Field results and laboratory tests 

    Pérez Gracia, María de la Vega; Santos Assunçao, Sonia (2019)
    Conference report
    Restricted access - publisher's policy
    The studies of seismic risk in Barcelona city required nanozonation because measurements of soil response in the plain of Barcelona present sudden changes in small areas, highlighting the importance of a most detailed study ...
  • 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, ...
  • Laboratory tests in rigid pavement 

    Rasol, Mezgeen; Pais, Jorge; Solla, Mercedes; Sossa Arancibia, Viviana Alejandra; Santos Assunçao, Sonia; Pérez Gracia, María de la Vega (2019)
    Conference report
    Open Access
    Deterioration of concrete structure is consequence of aging, applied loads and weathering. In this paper, several laboratory tests were presented, compared to computational models and a field test case study. The purpose ...
  • Study of structural elements in heritage buildings with ground penetrating radar images 

    Santos Assunçao, Sonia; Pérez Gracia, María de la Vega
    Conference lecture
    Open Access
    Maintenance and repairing or ancient buildings requires efforts and a wide knowledge of the structures. However, in many cases, the constructive methods, the distribution of supporting elements and the materials are unknown. ...
  • Damage detection using principal component analysis applied to temporal variation of natural frequencies 

    Caselles Magallón, Josep Oriol; Clapes Boixader, Jaime; Elyamani, Ahmed; Lana Pons, Francisco Javier; Seguí Fernández, Carolina; Martín Balet, Alejo; Roca Fabregat, Pedro (2018)
    Conference report
    Restricted access - publisher's policy
    For preserving existing structures to the extent possible, vibration-based damage detection techniques are gaining more attention. In specific, tracking the changes in a structure’s natural frequencies employing the Principal ...
  • Analysis and calibration of Ground Penetrating Radar shielded antennas 

    Rasol, M.; Pérez Gracia, María de la Vega; Santos Assunçao, Sonia (2018)
    Conference report
    Open Access
    Ground-Penetrating Radar (GPR) is a non-destructive geophysical method applied in many civil engineering applications. The knowledge of the GPR antennas behavior is crucial to obtain accurate results and comprehensive data ...
  • GPR building inspection: Examples of building structures assessed with Ground Penetrating Radar 

    Pérez Gracia, María de la Vega; Caselles Magallón, Josep Oriol; Clapés Boixader, Jaume; Santos Assunçao, Sonia (University of Edinburgh, 2017)
    Conference report
    Restricted access - publisher's policy
    The GPR assessment of buildings depends on the structure or part of the building studied. In this paper, three different case study are presented, all of them about old buildings that need to be restored or modified. ...
  • 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 ...
  • Capacity curve based damage index for steel buildings: a probabilistic approach 

    Díaz-Alvarado, S.A.; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hidalgo-Leiva, D.A.; Vargas Alzate, Yeudy Felipe (2016)
    Conference report
    Restricted access - publisher's policy
    The capacity and expected seismic damage of several types of steel buildings are assessed by using a probabilistic approach. Nonlinear static and dynamic analyses are performed by means of Monte Carlo Simulations. Concerning ...
  • Evaluation of seismic damage in low-rise buildings of reinforced concrete masonry 

    Hidalgo-Leiva, D.A.; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Díaz-Alvarado, S.A.; Vargas Alzate, Yeudy Felipe (2016)
    Conference report
    Restricted access - publisher's policy
    The assessment of damage caused by earthquakes in structures, requires the use of nonlinear analysis, either static or dynamic, in order to define the performance of the buildings for the considered hazard levels. In this ...
  • 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 ...

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