Author:
Leskeviciene V.,Sarlauskaite I.,Nizeviciene D.,Kybartiene N.
Abstract
While dehydrating gypsum with additives at the temperatures of 800?C and
900?C the influence of alkali additives on both the crystalline structure of
anhydrite and properties of anhydrite binder was investigated. The industrial
and household wastes including other lowcost materials were used as
additives. Having heated them with gypsum the anhydrite with alkali
activation properties was obtained. The properties of such substances were
evaluated using the methods of chemical, diffractive X-ray scanning and
scanning electron microscopy (SEM) analyses. Some additives, e.g. 5 % ground
glass waste, were found to increase crystal agglomerate formation of
anhydrite binder, accelerate the hydration process of anhydrite and double
the compressive strength of hydrated samples compared to samples without
additives.
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites
Cited by
2 articles.
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