Flexural Behaviour of GGBS-Dolomite Geopolymer Concrete Beams under Cyclic Loading

P. Saranya; Praveen Nagarajan; A.P. Shashikala; Abdu P. Salam

doi:10.4028/www.scientific.net/MSF.969.291

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HomeMaterials Science ForumMaterials Science Forum Vol. 969Flexural Behaviour of GGBS-Dolomite Geopolymer...

Flexural Behaviour of GGBS-Dolomite Geopolymer Concrete Beams under Cyclic Loading

Abstract:

Geopolymer concrete (GPC) is the most advanced form of concrete amongst the various types of concrete developed so far. This paper aims at investigating the feasibility of using Ground Granulated Blast furnace Slag (GGBS) as a base material for geopolymer concrete. Effect of dolomite, which is a by-product from rock crushing plant on GGBS based GPC, was studied. Maximum compressive strength was obtained when GGBS and dolomite were proportioned at 70:30. Steel fibres were added to geopolymer concrete (SFGPC) to improve the ductile behaviour and its brittleness index was compared with Ordinary Portland Cement (OPC) concrete. Strength and behaviour of GGBS-Dolomite GPC and SFGPC flexural member subjected to cyclic loading are explained in this paper. Steel fibres are added at 0.25%, 0.5% and 0.75% volume fraction of concrete. Properties such as load deflection behaviour, ultimate load, crack width and ductility were compared with OPC concrete beams.

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Periodical:

Materials Science Forum (Volume 969)

Pages:

291-296

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.969.291

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Online since:

August 2019

Authors:

P. Saranya*, Praveen Nagarajan, A.P. Shashikala, Abdu P. Salam

Keywords:

Brittleness Index, Dolomite, Geopolymer Concrete, GGBS, Strength

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