This study demonstrates improved mechanical properties and sustainability of fly ash-based geopolymer concrete, suggesting it as a viable alternative to ordinary portland cement.
The present paper offers a technical in-depth research on the manufacturing, production, and performance assessment of Fly Ash-Based Geopolymer Concrete (GPC) as a green substitute for Ordinary Portland Cement (OPC) concrete. The study aims at resolving environmental issues related to the production of cement, namely its CO₂ footprint, and suggests GPC as a green building material possessing better mechanical, chemical, and durability properties. The research delineates the preparation process, source material choice, alkaline activator mix, and curing regimens, followed by experimental tests like compressive strength, slump, sulphate attack, and acid resistance tests. The outcomes suggest remarkable benefits in terms of early strength gain, sustainability in harsh environments, and cost-effectiveness, favoring the implementation of GPC on a largescale infrastructure.
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Aashu (2025) studied this question.