Effect of chemical admixtures on properties of high-calcium fly ash geopolymer |
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| Authors: | Ubolluk Rattanasak Kanokwan Pankhet Prinya Chindaprasirt |
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| Affiliation: | 1. Department of Chemistry and Conter for Innovation in Chemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand
2. Sustainable Infrastructure Research and Development Center, Department of Civil Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002,Thailand |
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| Abstract: | Owing to the high viscosity of sodium silicate solution, fly ash geopolymer has the problems of low workability and rapid setting time. Therefore, the effect of chemical admixtures on the properties of fly ash geopolymer was studied to overcome the rapid set of the geo-polymer in this paper. High-calcium fly ash and alkaline solution were used as starting materials to synthesize the geopolymer. Calcium chloride, calcium sulfate, sodium sulfate, and sucrose at dosages of 1wt% and 2wt% of fly ash were selecte... |
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| Keywords: | geopolymers chemical admixtures setting time fly ash |
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