Studies on Alkaline Activator, Manufacturing Methods and Mechanical Properties of Geopolymer Concrete - A Review
J. Environ. Nanotechnol., Volume 13, No 3 (2024) pp. 52-72
Abstract
Continuous production of cement products, a new environmentally responsible geopolymer material, can reduce CO2 emissions from increased cement production. Compared to ordinary Portland cement (O.P.C.) geopolymer concrete, it has better mechanical strength and corrosion and fire resistance. Most industrial solid wastes and bottom ash from waste incineration are disposed of unevenly, which consumes land resources and negatively affects the ecosystem. The best alternative resource for the synthesis of geopolymer composites is recycling. Metals, pesticides, and other radioactive pollutants are successfully absorbed by geopolymer composites, which is very favorable for the ultimate development of civilization. Therefore, this review has examined essential material parameters, including new properties, compressive strength, flexural strength, elastic Modulus, compressive strength, and split-tensile strength applications. According to the previous experimental results, G.P.C. offered better fresh properties than conventional composites. This review revealed the geopolymerization process, the types of alkaline/alkali activators, synthesis techniques, sources of natural raw materials, and applications of geopolymer concrete. The present work discussed the conceptual framework for the sustainable production of geopolymer materials by evaluating the drawbacks, applications, and restrictions of geopolymer materials and their potential development.
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Reference
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