Detecting rebars and tubes inside concrete slabs using continuous wavelet transform of elastic waves

Journal of Mechanics

Volumn 20, Issue 4, 2004, Pages 297-302

  Chiang, C H ^a   Cheng, C C ^a  

^a CHAOYANG UNIVERSITY OF TECHNOLOGY   (Taiwan)

Author keywords

Concrete; Impact echo; Wavelet

Indexed keywords

ACOUSTIC WAVE PROPAGATION; COMPUTER SIMULATION; CONCRETE SLABS; FAST FOURIER TRANSFORMS; FREQUENCIES; IMPULSE RESPONSE; POLYVINYL CHLORIDES; TUBES (COMPONENTS); VIBRATIONS (MECHANICAL); WAVELET TRANSFORMS;

AMPLITUDE SPECTRUM; CONTINUOUS WAVELET TRANSFORM (CWT); IMPACT ECHO; REBARS;

ELASTIC WAVES;

EID: 11244292326     PISSN: 17277191     EISSN: None     Source Type: Journal    
DOI: 10.1017/S172771910000352X     Document Type: Article

References (6)

1. Newland, D. E., "Ridge and Phase Identification in the Frequency Analysis of Transient Signals by Harmonic Wavelets," J. Vibration and Acoustics, 121, pp. 149-155 (1999).
2. Mallat, S., A Wavelet Tour of Signal Processing, 2nd Ed., Academic Press, San Diego (1999).
3. Cheng, C. C. and Sansalone, M., "Effects on Impact-Echo Signals Caused by Steel Reinforcing Bars and Voids around Bars," ACI Materials Journal, 90, pp. 421-423 (1993).
4. Teolis, A., Computational Signal Processing with Wavelets, Birkhuser, Boston, pp. 65-67 (1998).
5. Zhang, G-M., Hou, C-G., Wang, Y-W., and Zhang, S-Y., "Optimal Frequency-to-Bandwidth Ratio of Wavelet in Ultrasonic Non-Destructive Evaluation," Ultrasonics, 39, pp.13-17 (2001).
6. Chiang, C-H., Gi, Y-F., Pan, C-L., and Cheng, C.C., "Elastic Wave Propagation in Concrete and Continuous Wavelet Transform," 31st Annual Review of Progress in Quantitative Nondestructive Evaluation, July 25-30, Golden, Colorado, U.S.A.