Effect of Membrane Curing On Geopolymer concrete

Civil Engineering

The production of cement not only consumes huge amount of the natural resources i.e. limestone and fossils fuel but also produces almost 5 to 7% of the total production of carbon dioxide which causes green-house effect. So it is very essential to replace the ordinary Portland cement by the other binder which have the same or better properties than OPC. Geopolymer concrete is innovative green concrete in which binding properties are developed by the interaction of source material or by-product that is rich in silica and alumina i.e. Fly Ash, Ground granulated blast furnace slag (GGBS), Rice husk with alkaline solution of sodium hydroxide or potassium hydroxide and sodium silicate or potassium silicate. A by- product of coal like fly ash obtained from the thermal power plant reacting with alkaline solution produces alumino silicate gel that acts as the binding material for the concrete. It utilizes a large amount of industrial waste materials such as fly ash and slag and also reduce the emission of carbon dioxide gases so it is eco-friendly and help to sustainable development. The main objective of this review to put the light on the constituents as well as various factors that can affect the compressive strength of geopolymer concrete. This paper also deals with the various application, economical and environmental benefits of geopolymer concrete.

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