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Proceedings 2018, 2(8), 396; https://doi.org/10.3390/ICEM18-05226

Experimental Analysis of Monotonic and Cyclic Pull-Out of Steel Fibres by Means of Acoustic Emission and X-ray Microfocus Computed Tomography

Department of Civil Engineering, KU Leuven, 3000 Leuven, Belgium
Presented at the 18th International Conference on Experimental Mechanics, Brussels, Belgium, 1–5 July 2018.
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Published: 15 May 2018
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Abstract

This research aims to investigate the monotonic and cyclic pull-out behavior of steel fibres by means of advanced non-destructive testing methods (NDT). Forty individually embedded steel fibres in a concrete matrix are tested in a pull-out setup with continuous acoustic emission monitoring and X-ray microfocus computed tomography is applied before, during and after testing. The developed setup allows to improve and to better control the experiments. The combination of NDT methods leads to a deeper insight compared to the traditional pull-out tests, by inspection of deviating results, detection of the pull-out stages, and localization of internal damage combined with visualization of the internal structure.
Keywords: acoustic emission technique; X-ray computed tomography; pull-out behavior; steel fibre reinforced concrete acoustic emission technique; X-ray computed tomography; pull-out behavior; steel fibre reinforced concrete
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Smedt, M.D.; Wilder, K.D.; Verstrynge, E.; Vandewalle, L. Experimental Analysis of Monotonic and Cyclic Pull-Out of Steel Fibres by Means of Acoustic Emission and X-ray Microfocus Computed Tomography. Proceedings 2018, 2, 396.

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