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Open AccessArticle

A Combined Electromagnetic Induction and Radar-Based Test for Quality Control of Steel Fibre Reinforced Concrete

1
Faculty of Civil Engineering, Environmental and Geodetic Sciences, Koszalin University of Technology, 75-453 Koszalin, Poland
2
Faculty of Geodesy, Geospatial and Civil Engineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland
3
Faculty of Civil Engineering Silesian University of Technology, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Materials 2019, 12(21), 3507; https://doi.org/10.3390/ma12213507
Received: 1 October 2019 / Revised: 20 October 2019 / Accepted: 23 October 2019 / Published: 25 October 2019
In this paper, the authors made an attempt to detect the fibre content and fibre spacing in a steel fibre reinforced concrete (SFRC) industrial floor. Two non-destructive testing (NDT) methods, an electromagnetic induction technique and a radar-based technique, were applied. The first method allowed us to detect the spacing in subsequent layers located in the thickness of the slab. The result of the second method was a 3D visualization of the detected fibre in the volume of concrete slab. The conducted tests showed aptitude and limitations of the applied methods in estimating fibre volume and spacing. The two techniques also allowed us to locate the areas with relatively low fibre concentration, which are very likely to be characterized by low mechanical properties. View Full-Text
Keywords: SFRC; non-destructive testing; quality control; electromagnetic induction; radar; fibre SFRC; non-destructive testing; quality control; electromagnetic induction; radar; fibre
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MDPI and ACS Style

Kobaka, J.; Katzer, J.; Ponikiewski, T. A Combined Electromagnetic Induction and Radar-Based Test for Quality Control of Steel Fibre Reinforced Concrete. Materials 2019, 12, 3507.

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