employee
Russian Federation
employee
Belgorod, Belgorod, Russian Federation
Belgorod, Belgorod, Russian Federation
The paper demonstrates the possibility of production composite binders of different compositions for monolithic placement of concrete, including at freezing temperatures. Mathematical models of relations of compressive strength and flexural strength, and an average density of composite binder (CB) from the ratio of quartz-bearing and plasticizing components in its composition were stated. Compositions of composite binders based on sand of Essk deposit that allow reduction of cement consumption with constant physical and mechanical characteristics were developed. The influence of the composition of the silica component on the particle-size determination of the composite binder were stated. Rheotehnological characteristics and microstructural features of the cement stone of various compositions were studied.
composite binders, fine ground cement, plasticizer, silica component, microstructure, hydrated calcium silicate.
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