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Investigating the performance of PVA and basalt fibre reinforced beams subjected to flexural action

Shafiq, N. and Ayub, T. and Khan, S.U. (2016) Investigating the performance of PVA and basalt fibre reinforced beams subjected to flexural action. Composite Structures, 153 . pp. 30-41.

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Abstract

This paper presents the flexural test results of 21 fibre reinforced concrete (FRC) beams containing PVA and basalt fibres (1-3 by volume). Fibre reinforced concrete was made of three different binders; the first binder type was 100 cement, the other two types were blended cement system containing a part of 10 silica fume or metakaolin with 90 cement. For each the three binder system; 7 beams of the size 100 � 200 � 1500 mm were cast, the first beam known as control beam contained no fibres. The remaining 6 beams were cast using FRC containing a volume fraction of 1, 2 and 3 PVA and basalt fibres, respectively. All 21 beams were tested to failure under three-point flexural loading. Experimental results showed that the addition of PVA fibres significantly improved the post-cracking flexural response compared to that of the basalt fibres. Beams with 3 PVA fibre volume showed deflection-hardening behaviour with an improvement in post-cracking flexural strength. It means that the addition of high volume content of PVA fibres made the beams more tough and ductile. Whereas, deflection-softening behaviour was observed in case of beams containing higher volume of basalt fibres. © 2016.

Item Type:Article
Impact Factor:cited By 38
Uncontrolled Keywords:Basalt; Binders; Bins; Cements; Concretes; Cracks; Fiber reinforced materials; Reinforced concrete; Silica; Silica fume, Different binders; Fibre reinforced; Fibre reinforced concrete; Flexural behaviour; Flexural response; Hardening behaviours; Metakaolins; Poly (vinyl alcohol) (PVA), Fibers
ID Code:25778
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:27 Aug 2021 13:05
Last Modified:27 Aug 2021 13:05

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