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An Investigation on Flexural Behaviour of Glass Fibre Reinforced Geopolymer Concrete Beams.

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 4)

Publication Date:

Authors : ; ; ;

Page : 1963-1968

Keywords : Geopolymer concrete; flyash; alkaline liquids; glass fibre.;

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Geopolymer concrete (GPC) are representing the most promising green and eco-friendly alternative to Ordinary Portland Cement (OPC). Geopolymer Concrete possesses relatively good mechanical properties and desirable thermal stability but they exhibit failure behaviour similar to brittle solids. This limitation may be remedied by fibre reinforcement to improve their flexural strength. This paper presents results of an experimental program on the mechanical properties of Fibre Reinforced Geopolymer Concrete (FRGPC) such as compressive strength, split tensile strength, flexural strength, and flexural behaviour of FRGPC beams. FRGPC contains flyash, alkaline liquids, fine aggregate, coarse aggregate and glass fibre. Alkaline liquid to fly ash ratio was fixed as 0.45 with 100% replacement of OPC. For alkaline liquid combination, ratio of sodium silicate to sodium hydroxide solution was fixed as 2.5. Glass fibre was added to the mix in volume fractions of 0.01%, 0.02%, 0.03% and 0.04% by volume of concrete. Specimens were subjected to 24 hours of Heat curing at 70°C in heat curing chamber. The effect of fibre content on the mechanical properties and flexural behaviour of FRGPC was studied and compared it with ordinary Geopolymer Concrete (GPC)

Last modified: 2014-05-10 18:48:52