Eze, Chuks PaulKalombe, Rosicky MethodeOjumu, Victor Tunde2021-01-182021-01-182020Eze, C. P. et al. (2020). Fly ash-based geopolymer building materials for green and sustainable development. Materials, 13(24),5699, 1-171996-194410.3390/ma13245699http://hdl.handle.net/10566/5653This study reports on formulations and conditions for producing fly ash-based geopolymers with a view to showing that the compressive strength required for construction applications can be obtained without the addition of aggregates, sand, and/or cement. It was shown in a series of experiments constituting at least 73% fly ash that a compressive strength of up to 90 MPa can be obtained depending on the curing conditions. While high alkalinity resulted in stronger materials, the results showed about 40% savings in CO2 emissions without using sand and cement. Such materials are suited for construction applications with minimal environmental impact.enCarbon dioxideCompressive strengthConstructionFly ashGeopolymerArticle