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Effect of different forms of silica on the physical and mechanical properties of gypsum plaster composites
2013
Materiales de Construccion
Gypsum plaster/silica composites prepared by dry blending (0.2-10 %) natural sand, silica fume or silica gel and subsequently hydrated. Their physical and mechanical properties, including normal consistency, setting time, apparent porosity, bulk density and compressive strength, were determined after hydration for 7-and 28-days. The results indicated that adding different forms of silica lowered the bulk density and increased the normal consistency, setting time, apparent porosity and, to some
doi:10.3989/mc.2013.04312
fatcat:x3arbgwfqnevlkj3ib2ox5rxpy