Abstract
The purpose of the study is to assess the influence of the parameters of the working process of a laboratory friction separator on the physical and mechanical characteristics of the enriched material (slag aggregate). To achieve the purpose, the methods of laboratory experiment (enrichment on a friction separator), physical-mechanical tests of road-building materials, mathematical processing of experimental data were used. The design of a friction separator for the enrichment of the slag aggregate is considered, the principle of its operation is described. The results of an experiment to assess the effect of the enrichment of the slag aggregate on a friction separator on its strength and water absorption are presented. The authors also established the dependencies interrelating the physical-mechanical characteristics of the slag aggregate and the parameters of the friction separator operation. A quantitative assessment of reducing water absorption and increasing the strength of road-construction slag aggregate after enrichment on a friction separator was obtained
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