Development of Fly ash-GGBS based Self Compacting Geopolymer Concrete: a Review
Concrete is the most used construction material in construction Industries all over the world. The main binding ingredient of concrete that is ordinary Portland cement is a major contributor of global warming. The cement industry is the second largest producer of the green house gas. The total world production of cement is expected to be around 4800 Mt by 2030, which clearly indicates the like impact on global warming indicates. In this regard, Utilization of industrial by-products from various industries as supplementary cementations material in concrete along with cement has been well recognized for its enhanced properties and potential to reduce environmental impacts. Self compacting Geopolymer concrete is a relatively new concrete, which can be a sustainable and Economical construction material as it is produced from combination of industrial by-products such as Fly ash and Ground Granulated Blast Furnace Slag replacing 100% of cement in concrete. Self compacting Geopolymer concrete is a special type of concrete which can be placed and consolidated under its own weight without any vibration and which at the same time is cohesive enough to be handled without segregation or bleeding. The self compacting geopolymer concrete such as filing ability passing ability and segregation resistance are estimated by using slump flow, V-Funnel, L-Box and J-ring test method for fresh state concrete. Hence Self-compacting Geopolymer concrete is the sustainable construction material in the modern world by solving current issues of pollution.
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