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Proceedings Paper

Stress change detection from application of a stretching model to coda wave measurements
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Paper Abstract

The heterogeneities contained in concrete will cause strongly multiple scattering behaviors during the propagation of ultrasonic waves, forming the so-called coda waves. External loads will slightly change concrete structural size and further introduce stretching effects on coda waveforms. In this paper, coda waves are collected from several concrete samples under different loads, and the waveform variations are quantified through a stretching technique. The results show that their stretching ratios are varied according to external load strengths, which implies that stress changes in concrete can be detected by coda wave measurements. The presented study could be very value for nondestructive testing of concrete structures.

Paper Details

Date Published: 1 April 2019
PDF: 6 pages
Proc. SPIE 10971, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XIII, 109711H (1 April 2019); doi: 10.1117/12.2514357
Show Author Affiliations
Hanyu Zhan, New Mexico State Univ. (United States)
Hanwan Jiang, Univ. of Wisconsin-Platteville (United States)
Research Institute of Highway Ministry of Transport (China)
Chenxu Zhuang, New Mexico State Univ. (United States)
Ruinian Jiang, New Mexico State Univ. (United States)
Jinquan Zhang, Research Institute of Highway Ministry of Transport (China)


Published in SPIE Proceedings Vol. 10971:
Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XIII
Andrew L. Gyekenyesi, Editor(s)

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