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Vision Device Applied to Damage Identification in Civil Engineer Structures

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Structural Health Monitoring, Volume 5

Abstract

The challenge of identifying structural damage has gained a lot of attention among the research community during the last decades. Many damage identification algorithms are available in literature and most of them are based on vibration measurements. The accuracy of these methods depends on the measurement quality and especially on the number of sensors used to perform the monitoring activity. The need for a large number of devices does not comply with the economic advantage of an efficient structural maintenance based on remote monitoring. The purpose of this work is to explore the application of cameras to damage identification. The main advantage in using a camera is that every row or column in the pixel matrix can be considered a sensor on its own. This characteristic makes a camera an interesting device for damage detection, since it possible to estimate the structural dynamic behaviour on a continuous field by one single device at a reasonable price. In this work a camera will be used for the mode shape curvatures estimation of a cantilever beam with the final goal to identify damages in the structure. The results will show the efficacy of vision-based measurements for the monitoring purpose.

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Authors and Affiliations

  1. Dipartimento di Meccanica, Politecnico di Milano, via La Masa 1, Milan, Italy

    Giorgio Busca, Alfredo Cigada & Emanuele Zappa

Authors
  1. Giorgio Busca
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  2. Alfredo Cigada
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  3. Emanuele Zappa
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Corresponding author

Correspondence to Giorgio Busca .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Virginia Polytechnic Institute & State University, Blacksburg, Virginia, USA

    Alfred Wicks

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© 2014 The Society for Experimental Mechanics, Inc.

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Busca, G., Cigada, A., Zappa, E. (2014). Vision Device Applied to Damage Identification in Civil Engineer Structures. In: Wicks, A. (eds) Structural Health Monitoring, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-04570-2_22

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  • DOI: https://doi.org/10.1007/978-3-319-04570-2_22

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-04569-6

  • Online ISBN: 978-3-319-04570-2

  • eBook Packages: EngineeringEngineering (R0)

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