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Fly Ash-Based Geopolymer Binder: A Future Construction Material

Department of Chemistry, Sharda University, Greater Noida-201306, India
Minerals 2018, 8(7), 299;
Received: 15 May 2018 / Revised: 24 June 2018 / Accepted: 1 July 2018 / Published: 12 July 2018
(This article belongs to the Special Issue Geopolymers)
A large amount of waste coming out from industries has posed a great challenge in its disposal and effect on the environment. Particularly fly ash, coming out from thermal power plants, which contains aluminosilicate minerals and creates a lot of environmental problems. In recent years, it has been found that geopolymer may give solutions to waste problems and environmental issues. Geopolymer is an inorganic polymer first introduced by Davidovits. Geopolymer concrete can be considered as an innovative and alternative material to traditional Portland cement concrete. Use of fly ash as a raw material minimizes the waste production of thermal power plants and protects the environment. Geopolymer concretes have high early strength and resistant to an aggressive atmosphere. Methods of preparation and characterization of fly ash-based geopolymers have been presented in this paper. The properties of geopolymer cement/mortar/concrete under different conditions have been highlighted. Fire resistance properties and 3D printing technology have also been discussed. View Full-Text
Keywords: geopolymer; fly ash; compressive strength; microstructure; heat evolution; foam concrete geopolymer; fly ash; compressive strength; microstructure; heat evolution; foam concrete
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Singh, N.B. Fly Ash-Based Geopolymer Binder: A Future Construction Material. Minerals 2018, 8, 299.

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