Browsing by Author "Najm, Omar"
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Alkali-activated slag & fly ash as sustainable alternatives to OPC: Sorptivity and strength development characteristics of mortar
Mohamed, Osama Ahmed; Najm, Omar; Ahmed, Eman (Elsevier Ltd, 2023)One approach to decreasing the environmental footprint of the construction industry is to replace ordinary Portland cement (OPC) with recycled slag and fly ash activated using alkaline materials. This article presents the ... -
Setting time, sulfuric acid resistance, and strength development of alkali-activated mortar with slag & fly ash binders
Mohamed, Osama A.; Najm, Omar; Zuaiter, Haya A. (Elsevier B.V., 2024-03)This study evaluated the effect of initial molar ratios SiO2/Al2O3 and (CaO + SiO2)/Al2O3, on the setting time of mortar with alkali-activated Ground Granulated Blast Furnace Slag (GBS) and fly ash (FA) binders. The study ...