Shear behaviour of steel-fibre-reinforced concrete simply supported beams

Article


Abbas, A., Syed Mohsin, Sharifah M., Cotsovos, Demetrios M. and Ruiz-Teran, Ana M. 2014. Shear behaviour of steel-fibre-reinforced concrete simply supported beams. Proceedings of the ICE - Structures and Buildings. 167 (9), pp. 544-558.
AuthorsAbbas, A., Syed Mohsin, Sharifah M., Cotsovos, Demetrios M. and Ruiz-Teran, Ana M.
Abstract

The structural behaviour of steel-fibre-reinforced concrete beams was studied using non-linear finite-element analysis
and existing experimental data. The work aim was to examine the potential of using steel fibres to reduce the
amount of conventional transverse steel reinforcement without compromising ductility and strength requirements set
out in design codes. To achieve this, the spacing between shear links was increased while steel fibres were added as a
substitute. Parametric studies were subsequently carried out and comparisons were also made with BS EN 1992-1-1
predictions. It was concluded that the addition of steel fibres enhanced the load-carrying capacity and also altered
the failure mode from a brittle shear mode to a flexural ductile one. The provision of fibres also improved ductility.
However, interestingly it was found that adding excessive amounts of fibres led to a less-ductile response. Overall,
the study confirmed the potential for fibres to compensate for a reduction in conventional shear reinforcement.

JournalProceedings of the ICE - Structures and Buildings
Journal citation167 (9), pp. 544-558
ISSN1751-7702
0965-0911
Year2014
PublisherThomas Telford (ICE Publishing)
Accepted author manuscript
License
CC BY
Web address (URL)http://dx.doi.org/10.1680/stbu.12.00068
Publication dates
Print01 Sep 2014
Publication process dates
Deposited21 Sep 2015
Accepted07 Oct 2013
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