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Proceedings of IMAC XXXII Dynamics of Coupled Structures
Nguyen, Viet Ha; Mahowald, Jean; Golinval, Jean-Claude et al.
2014In Firkret, Necati Catbas (Ed.) Damage Detection in Civil Engineering Structure Considering Temperature Effect
 

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Keywords :
temperature effect; damage, identification; detection, statistics
Abstract :
[en] This paper concerns damage identification of a bridge located in Luxembourg. Vibration responses were captured from measurable and adjustable harmonic swept sine excitation and hammer impact. Different analysis methods were applied to the data measured from the structure showing interesting results. However, some difficulties arise, especially due to environmental influences (temperature and soil-behaviour variations) which overlay the structural changes caused by damage. These environmental effects are investigated in detail in this work. First, the modal parameters are identified from the response data. In the next step, they are statistically collected and processed through Principal Component Analysis (PCA) and Kernel PCA. Damage indexes are based on outlier analysis.
Disciplines :
Civil engineering
Author, co-author :
Nguyen, Viet Ha ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Mahowald, Jean ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Golinval, Jean-Claude
Maas, Stefan ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Language :
English
Title :
Proceedings of IMAC XXXII Dynamics of Coupled Structures
Publication date :
February 2014
Event name :
International Modal Analysis Conference IMAC XXXII Dynamics of Coupled Structures
Event organizer :
Society of Experimental Mechanics, Inc
Event place :
Orlando, United States
Event date :
from 3-2-2014 to 6-2-2014
Audience :
International
Main work title :
Damage Detection in Civil Engineering Structure Considering Temperature Effect
Editor :
Firkret, Necati Catbas
Publisher :
Springer International Publishing
ISBN/EAN :
978-3-319-04545-0
Pages :
187-196
Available on ORBilu :
since 06 September 2014

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