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Title: Contactless Ultrasonic Wavefield Imaging to Visualize Near-Surface Damage in Concrete Elements

Journal Article · · Applied Sciences
DOI: https://doi.org/10.3390/app9153005 · OSTI ID:1545173

We present work to detect and visualize near-surface damage in concrete using contactless ultrasonic wavefield imaging technology. A fully contactless ultrasonic scanning system that utilizes a micro-electro-mechanical systems (MEMS) ultrasonic microphone array is used to collect ultrasonic surface wave data from a concrete sample. The obtained wavefield data sets are processed with a frequency-wavenumber (f-k) domain wavefield filtering approach to extract non-propagating oscillatory fields set up by near-surface concrete cracking damage. The experimental results demonstrate that near-surface concrete damage can be detected and visualized using the proposed ultrasonic wavefield imaging approach.

Sponsoring Organization:
USDOE
Grant/Contract Number:
NE0008266
OSTI ID:
1545173
Journal Information:
Applied Sciences, Journal Name: Applied Sciences Vol. 9 Journal Issue: 15; ISSN 2076-3417
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English

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