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Acquisition and processing of buildings’ vibrations using a Real-Aperture Radar, a non-invasive method

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Alva Bañuelos, Rodrigo EstebanMés informacióMés informació
González Drigo, José RamónMés informacióMés informacióMés informació
Luzi, Guido
Pinzón Ureña, LuisMés informació
Pujades Beneit, LluísMés informacióMés informacióMés informació
Document typeConference report
Defense date2018
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectDESARROLLO Y APLICACION DE HERRAMIENTAS AVANZADAS PARA LA EVALUACION, PREVENCION Y GESTION DEL RIESGO SISMICO (MINECO-CGL2015-65913-P)
Abstract
In this paper, a simplified non-invasive method to diagnose the safety state of buildings is tested. The method is based in remote sensing measurements of the natural vibrations of actual buildings using an interferometric Real-Aperture Radar (RAR). This non-invasive technique may allow us to detect damage in buildings by means of the change in their modal properties, mainly the fundamental period, which is measured using ambient vibrations. To test the technique, a set of buildings located in Spain were measured by using the remote procedure and the results were compared with the ones obtained with conventional acceleration or velocity sensors. In this paper, the results a building of the campus of the Technical University of Catalonia (UPC) are shown. The fundamental period of the building was successfully obtained by means of remote and easy measurements. The method is more successful for mid-to high-rise buildings where the RAR shows a better performance. The final purpose of these studies is to check for the ability of such remote sensing surveys to detect damaged buildings. The technique may be very useful in post-earthquake inspections as the method may allow us to know the safe/unsafe state of buildings without entering them.
CitationAlva, R. [et al.]. Acquisition and processing of buildings' vibrations using a Real-Aperture Radar, a non-invasive method. A: International Workshop on Seismic Microzoning and Risk Reduction. "12th IWSMRR: 12th International Workshop on Seismic Microzoning and Risk Reduction, 27-29 September 2018, Yokohama, Japan". 2018, p. 1-8. 
URIhttp://hdl.handle.net/2117/348094
Other identifiershttps://www.researchgate.net/publication/330384837_Acquisition_and_processing_of_buildings%27_vibrations_using_a_Real-Aperture_Radar_a_non-invasive_method
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  • Departament de Resistència de Materials i Estructures a l'Enginyeria - Ponències/Comunicacions de congressos [335]
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  • Doctorat en Enginyeria Sísmica i Dinàmica Estructural - Ponències/Comunicacions de congressos [13]
  • GIES - Geofísica i Enginyeria Sísmica - Ponències/Comunicacions de congressos [103]
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