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   Pozzolanic and hydration properties of kamafugites and carbonatitic lavas as supplementary cementitious materials in Portland cement

   Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: A. Buregyeya --- School of Civil and Environmental Engineering, South Africa S. Nwaubani --- School of Civil and Environmental Engineering, South Africa W. Schmidt --- BAM Federal Institute for Materials Research and Testing, Germany A. G. Kerali --- Department of Civil and Environmental Engineering, Uganda U. Bagampadde --- Department of Civil and Environmental Engineering, Uganda

   Kamafugites and carbonatites, being materials of volcanic origin with carbonates as their primary minerals, are relatively low in silica and alumina saturation. Their silica and alumina under-saturation is considered a limiting factor in pozzolanic reactivity; however, these materials are currently...

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