Abstract
The results of the influence hydromechanochemical activation of the cement with superplasticizing admixtures, both individually and jointly, on the structure formation of cement stone, the physical and technical properties of heavyweight concrete. An analysis of the microstructure and chemical elements in the spectrum of the surface of a cement stone prepared with preliminary hydromechanochemical activation of the binder with superplasticizing admixtures is presented. The method of hydromechanochemical activation of cement with a superplasticizing admixtures can be recommended for the production of quick-hardening concrete and mortars. The production of quick-hardening concrete is especially important: monolithic concreting in winter, when it is necessary to gain critical strength in concrete in a short time; precast concrete production at precast concrete plants, where it is possible to reduce energy costs for steaming products; modern additive printing technologies using a 3D building printer, requiring the development of new effective quick-hardening mortars and concrete.
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