Abstract
Geopolymers are known to be environmentally – friendly construction materials that can be used in different applications including concretes and mortars, fire – resistant coating materials, road pavements and masonry units. Despite the economic and environmental – related benefits of utilizing geopolymer products, the production of these materials is also associated with some challenges and difficulties that need to be resolved for the technology to gain recognition and acceptability in the construction industry. In this paper, publications were reviewed to provide some understanding of the problems and challenges of geopolymer brick production. Composition of alkali activator along with curing temperature, are major factors that significantly influence the production cost of geopolymer bricks. Also, incorporation of calcium - rich co - binders into geopolymer mixtures, may lead to reduction in durability resistance of the brick product.
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