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The company "Skripinsky Quarry", LLC is mining the carbonate rock deposit. Planning the advanced processing of raw materials, the company is doing a lot of work to develop new types of products. The integrated approach to the territory development became the key for the enterprise developing the promising industrial projects. The competition of project proposals for the best use of Skripinsky quarry crushed stone screenings was organized together with D. Mendeleev University of Chemical Technology of Russia. The w...

Studies have been carried out to increase the activity of ashes and cements by separate or joint activation in an aqueous medium immediately before the preparation of concrete on the construction site. Activation was carried out in devices where the treated medium was subjected to hydrodynamic and cavitation effects. When using coarse-grained ash, it is possible to recommend either their preliminary grinding in an aqueous medium before adding into the concrete mixing unit, or joint activation with cement. The join...