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  5. Drive-by damage detection in bridges using the apparent profile
 
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Drive-by damage detection in bridges using the apparent profile

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Download J78_-_rep_vers.pdf696.92 KB
Author(s)
O'Brien, Eugene J. 
Keenahan, Jennifer 
Uri
http://hdl.handle.net/10197/7053
Date Issued
May 2015
Date Available
14T04:00:10Z November 2015
Abstract
The concept of using sensors on a passing vehicle, rather than on the bridge, is known as 'Drive-by' damage detection. The newly developed traffic speed deflectometer (TSD) is a device used for pavement deflection measurements and is investigated here in numerical simulations as a means of bridge damage detection. A TSD vehicle model containing two displacement sensors is simulated crossing a simply supported finite element beam containing damage simulated as a loss in stiffness of one of the elements. An adapted Cross Entropy optimisation algorithm procedure is proposed to determine the apparent profile, where the displacements recorded by the sensors are used as the inputs. The time-shifted difference in the apparent profile is used as the damage indicator. Results show that this can be reliably used as a damage indicator in the presence of noise and changes in the transverse position of the vehicle on the bridge.
Sponsorship
Science Foundation Ireland
Type of Material
Journal Article
Publisher
Wiley
Journal
Structural Control and Health Monitoring
Volume
22
Issue
5
Start Page
813
End Page
825
Copyright (Published Version)
2014 John Wiley & Sons, Ltd.
Keywords
  • TSD

  • RWD

  • Bridge

  • Damage

  • Highway

  • Speed

  • Traffic speed deflect...

  • Optimization

  • Time-shifted

DOI
10.1002/stc.1721
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Civil Engineering Research Collection
Scopus© citations
55
Acquisition Date
Jan 29, 2023
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