THE EFFECT OF MODIFYING ADDITIVES ON THE PER-FORMANCE PROPERTIES OF SLAG-ALKALI BINDERS AND CONCRETES
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Abstract
The results of the analysis and generalization of research on the problem of using man-made industrial waste for the production of composite slag-alkali binders and concretes based on them are presented. The disposal of industrial man-made waste and their use in the production of composite binders are issues of global importance. Therefore, much attention is paid to this issue in the industrialized countries of the world.The influence of waste products from the enrichment of polymetallic ores – carbonate-barium tailings on the performance properties (strength, water absorption, density, etc.) of composite slag-alkali binders and concretes based on them has been studied. Various methods of introducing modifying additives into the composition of composite slag-alkali binders and concretes based on them have been investigated. The optimal amount of introduction of modifying additives into the composition of composite slag–alkali binders - waste of carbonate-barium tailings and an efficiency indicator for the effect on the activity of concrete, depending on the type of alkaline component and hardening conditions, has been established. The methods of conducting experimental work to determine the operational properties of slag-alkali binders and concretes based on them are presented.
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