Strength of Geopolymer Concrete using Sarawak Fly Ash
This paper presents the initiative and progress of the research on making geopolymer concrete using the Sarawak fly ash at Curtin University Sarawak Campus Malaysia. The author recently initiated a project making geopolymer concrete using the fly ash produced by the coal-fired power plants at Kuching, Sarawak. The project aims at making and studying the different properties of geopolymer concrete using this fly ash and the other ingredients locally available in Malaysia. The very limited results available at this stage of the study show that the physical properties and chemical composition of the Sarawak Fly Ash is favorable to make high strength geopolymer concrete. However, the actual compressive strength of the concrete depends on various parameters such as the ratio of the activator solution to fly ash, molarity of the alkaline solution, ratio of the activator chemicals, curing temperature etc. Some observations in making geopolymer concrete in the laboratory using the Sarawak fly ash are also discussed.The following files are attached to this document:
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