Effects of steel fibre-aggregate interaction on mechanical behaviour of steel fibre reinforced concrete

Journal article


Ige, O, Barnett, S, Chiverton, J, Nassif, A and Williams, J (2017). Effects of steel fibre-aggregate interaction on mechanical behaviour of steel fibre reinforced concrete. Advances in Applied Ceramics. 116 (4), pp. 193-198. https://doi.org/10.1080/17436753.2017.1284389
AuthorsIge, O, Barnett, S, Chiverton, J, Nassif, A and Williams, J
Abstract

This work investigated the effects of fibre type, dosage and maximum aggregate size on the mechanical behaviour of concrete reinforced with steel fibres. Hooked-end steel fibres with 50 mm and 60 mm length and aspect ratios (length/diameter) of 45, 65 and 80 were used with maximum sizes of coarse aggregate of 10 mm and 20 mm. The same mix proportions of concrete were used throughout the investigation. Flexural testing of 600 mm square panels was performed. Subsequently, cores were taken from these panels and X-ray computed tomography was used to analyse the positioning of fibres in hardened concrete. The experimental results show that the performance of steel fibre reinforced concrete improved drastically when compared to plain concrete without fibres. Longer, thinner fibres and smaller aggregates were noted to give the best results.

KeywordsConcrete; Steel fibres; Flexural properties; X-ray CT
Year2017
JournalAdvances in Applied Ceramics
Journal citation116 (4), pp. 193-198
PublisherInforma UK Limited
ISSN1743-6753
Digital Object Identifier (DOI)https://doi.org/10.1080/17436753.2017.1284389
Publication dates
Print19 May 2017
Online10 Feb 2017
Publication process dates
Accepted10 Jan 2017
Deposited19 Mar 2020
Accepted author manuscript
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Open
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