Sustainable construction and building materials—A review on performance of geopolymer in concrete

Abstract

Concrete, the largest construction material in the world, is already regarded as basic need of human being. The binding material in the concrete is cement which comes from a non-renewable resource limestone. With the large use of cement, there may be a scarcity for limestone in near future but the need for concrete for the human will not end. Geopolymer, an alternative to the cement, can be used in concrete to make it cement-free. Geopolymer is the material having silica and alumina contents like cement and can be used as binding material using activators. This paper describes the review on geopolymer concrete elaborating the various properties of concrete by adding geopolymer. A comparative review of physical and durability properties was also presented between geopolymer concrete and ordinary Portland cement concrete.