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Kim, Jae Hong
Research Group for Concrete Structures and Materials
Research Interests
  • Mechanics of Concrete, Rheology, Structural Analysis, Construction Performance
  • Rheological investigation for the flow of fresh concrete
  • Multiscale material characterization of suspension

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Rayleigh wave velocity computation using principal wavelet-component analysis

Cited 2 times inthomson ciCited 2 times inthomson ci
Title
Rayleigh wave velocity computation using principal wavelet-component analysis
Author
Kim, Jae HongKwak, Hyo-Gyoung
Keywords
Concrete; Principal component analysis; Rayleigh wave; Wavelet transform
Issue Date
2011-01
Publisher
ELSEVIER SCI LTD
Citation
NDT & E INTERNATIONAL, v.44, no.1, pp.47 - 56
Abstract
Many researchers utilize Rayleigh wave velocity for nondestructive evaluation of concrete structures Nondestructive testing using Rayleigh wave requires only one side of a member offering the advantage in applicability After measuring surface waveforms on one side a signal processing technique is required to compute the time-of-flight of the propagating Rayleigh wave This paper proposes a technique to this end using a principal wavelet-component analysis Through testing with numerical and experimental samples it is found that the new technique is accurate like other conventional methods and has better reliability less obstructed by various noise and reflection waves
URI
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DOI
10.1016/j.ndteint.2010.09.005
ISSN
0963-8695
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