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