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  5. Damage detection and calibration from beam–moving oscillator interaction employing surface roughness
 
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Damage detection and calibration from beam–moving oscillator interaction employing surface roughness

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Download JSV_2013 12 12 VJAOCVP R3.pdf647.77 KB
Author(s)
Jaksic, Vesna 
O'Connor, Alan 
Pakrashi, Vikram 
Uri
http://hdl.handle.net/10197/10404
Date Issued
18 August 2014
Date Available
13T09:21:12Z May 2019
Abstract
The possibility of employing bridge deck surface roughness for Structural Health Monitoring (SHM) under operational conditions is proposed in this paper. A bilinear breathing crack in a damaged Euler-Bernoulli beam traversed by a moving oscillator is considered in this regard. The Road Surface Roughness (RSR) of the beam is classified as per ISO 8606:1995(E). The interaction of the moving oscillator with surface roughness is exploited to define simple, consistent, easy to implement and robust statistical descriptors to detect and calibrate the existence, the location and the extent of damage. The effects of vehicle speed and variable RSR profiles for such detection are investigated and preferable conditions for detection are identified. The proposed method is also suitable for experimental analysis where a theoretical model is not available or is not credibly ascertained.
Sponsorship
Irish Research Council
Type of Material
Journal Article
Journal
Journal of Sound and Vibration
Volume
333
Issue
17
Start Page
3917
End Page
3930
Copyright (Published Version)
2014 Elsevier
Keywords
  • Bridge deck surface r...

  • Structural Health Mon...

  • Breathing crack

  • Beam

  • Road Surface Roughnes...

  • Theoretical model

DOI
10.1016/j.jsv.2014.04.009
Language
English
Status of Item
Peer reviewed
ISSN
0022-460X
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Mechanical & Materials Engineering Research Collection
Scopus© citations
32
Acquisition Date
Mar 26, 2023
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