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Factors Influencing Compressive Strength in Fly Ash-Based Geopolymer Concrete: A Comprehensive Review

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Iranian Journal of Science and Technology, Transactions of Civil Engineering Aims and scope Submit manuscript

Abstract

The amount of cement used has increased phenomenally due to the development and massive expansion of the infrastructure sector. The manufacture of cement requires more incredible embodied energy and produces greenhouse gases. Geopolymer concrete (GPC) was developed to alleviate the environmental adverse effects caused by carbon dioxide emissions (CO2) and the extensive use of fossil fuels in cement manufacturing. GPC concrete is more durable and has better mechanical properties than traditional concrete; for all types of concrete composites, including GPC, compressive strength (Cst) is the most essential engineering property. The result is impacted by a multitude of factors, encompassing the number of binder materials utilized, the proportion of alkaline activators to binder (AL/Bi), the quantity of additional water incorporated, the dosage of superplasticizers, the ratio of alkaline activators (AAR), the concentration molarity of hydroxide of sodium (SHy), the temperature of curing, and the duration of cure. This review article aims to illustrate how these various parameters affect the compressive strength of fly ash-based geopolymer concrete (FAGPC). To accomplish this, an extensive dataset was gathered and analyzed. The results indicate that the compressive strength of FAGPC is mainly influenced by the temperature for curing, the amount of sodium hydroxide, and the amount of alkaline in the binder.

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The article was written with the collaboration of Both contributors. All authors agreed on the article’s final version. Both authors contributed to the writing and editing of the articles and the concept design and study proposal. The scientific information was gathered, and the text was written with help from Both authors.

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Correspondence to Mohammed Ali M. Rihan.

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Rihan, M.A.M., Abdalla Abdalla, T. Factors Influencing Compressive Strength in Fly Ash-Based Geopolymer Concrete: A Comprehensive Review. Iran J Sci Technol Trans Civ Eng (2024). https://doi.org/10.1007/s40996-024-01413-w

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  • DOI: https://doi.org/10.1007/s40996-024-01413-w

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