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Detection of rebars in concrete using advanced ultrasonic pulse compression techniques
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Laureti, S., Ricci, M., Mohamed, M. N. I. B., Senni, L., Davis, Lee A. J. and Hutchins, David A. (2018) Detection of rebars in concrete using advanced ultrasonic pulse compression techniques. Ultrasonics, 85 . pp. 31-38. doi:10.1016/j.ultras.2017.12.010
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WRAP-detection-rebars-concrete-advanced-ultrasonic-compression-techniques-Hutchin-2017.pdf - Accepted Version - Requires a PDF viewer. Download (1153Kb) | Preview |
Official URL: https://doi.org/10.1016/j.ultras.2017.12.010
Abstract
A pulse compression technique has been developed for the non-destructive testing of concrete samples. Scattering of signals from aggregate has historically been a problem in such measurements. Here, it is shown that a combination of piezocomposite transducers, pulse compression and post processing can lead to good images of a reinforcement bar at a cover depth of 55 mm. This has been achieved using a combination of wide bandwidth operation over the 150-450 kHz range, and processing based on measuring the cumulative energy scattered back to the receiver. Results are presented in the form of images of a 20 mm rebar embedded within a sample containing 10 mm aggregate.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||||
| Library of Congress Subject Headings (LCSH): | Reinforced concrete -- Testing, Ultrasonic transducers, Reinforcing bars | ||||||||||
| Journal or Publication Title: | Ultrasonics | ||||||||||
| Publisher: | Elsevier Science BV | ||||||||||
| ISSN: | 0041-624X | ||||||||||
| Official Date: | April 2018 | ||||||||||
| Dates: |
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| Volume: | 85 | ||||||||||
| Page Range: | pp. 31-38 | ||||||||||
| DOI: | 10.1016/j.ultras.2017.12.010 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| RIOXX Funder/Project Grant: |
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