It is shown that a highly-efficient chemical activation of the cement-containing composite mixture with the help of a new generation nanostructural additive makes it possible to develop high-strength finegrained and heavy-weight concretes with the improved strength and deformation characteristics. The recommended nanostructural additive has an increased triple effect: reactive, catalytic, and plasticizing. The use of the proposed additive many times increases the hydration activity of the hardening system, exerting a double energy effect on it, chemical and thermal, thus making it possible to develop the composite building material of a new level of physical and mechanical properties.
Artificial stone has been one of the most common materials in construction for a long time by now. Despite the variety of types of concrete, the composite is in constant motion of development and improvement. The common use of high strength composite is for the construction of high-rise buildings or projects complex in geometry.This article suggests preparing high-strength cementitious composites by complex chemical activation using chemical admixtures in combination with reactive aggregates, as they give good hydration (hardening) of concrete. Research results confirm that this practice of complex chemical activation of cement gives high-strength concrete with better strength, deformation and durability properties.
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