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Novel health monitoring procedure for reinforced concrete slabs

Trendafilova, I. and Imbabi, M. (2004) Novel health monitoring procedure for reinforced concrete slabs. Applied Mechanics and Materials, 1-2. pp. 65-70. ISSN 1660-9336

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Abstract

This research considers the problem for vibration based damage diagnosis in reinforced concrete slabs. It suggests the analysis of the time domain measured accelerations for the purposes of fault detection and quantification. The measured accelerations from different damage states of the slab are first subjected to initial transforms to bring them to vectors with reasonable component number. These vectors are further transformed using principal components analysis (PCA), which brings their coordinates down to two. In addition to reducing the number of measured acceleration points, PCA clusters the new vectors making distinguishable the different damage states. The results from the application of the suggested method convincingly demonstrate that the method can be applied for fault detection as well as for estimating the damage extent.

Item type: Article
ID code: 6329
Keywords: structural vibrations, structural health monitoring, principal components analysis, vibration analysis, structures, Mechanical engineering and machinery, Building construction, Engineering(all)
Subjects: Technology > Mechanical engineering and machinery
Technology > Building construction
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
Depositing user: Strathprints Administrator
Date Deposited: 16 Jul 2008
Last modified: 04 Sep 2014 16:05
URI: http://strathprints.strath.ac.uk/id/eprint/6329

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