Use of processed dune sands in composite materials

Study of the problems associated with the possibility of effective use of substandard dune sands of the Shelkovskoye deposit as a mineral additive for obtaining finely ground binders and enriching screenings of crushing rocks. They are based on the established provisions of the theory of hardening of repair modified compositions with the integrated use of vibration-activated mineral and polymer components, and, in particular, the filled system ''Portland cement - dune sand - C-3'', as well as mathematical logic, and technology of composite materials. The studies were carried out taking into account the current state standards and recommendations.