Voronezh, Voronezh, Russian Federation
The article considers one of the ways to increase the strength of structural layers of departmental highways reinforced with a slag-licate binder. Based on the studied works devoted to this topic, it is concluded that the search for new materials used as binders is relevant, the solution of which will increase the volume of construction of departmental logging roads. The utilization of slags will increase the economic feasibility of building a public road for the enterprise, which will increase the profitability of the main production. Using correlative experimental data, a direct close correlation was established between the physical and chemical parameters of soils reinforced with a slag-silicate binder: compressive strength and tensile strength during bending; modulus of elasticity and modulus of deformation. Thus, when strengthening soils with a slag silicate binder, it is possible to obtain a material with a fairly wide range of strength and deformative parameters. It has been established that for soils reinforced with a slag-licate binder, it is necessary to establish an upper limit of compressive strength. Recommended strength parameters of slag silicate samples have been determined. As a result of the study, it was concluded that when strengthening soils with binders, it is necessary to take into account the composition and properties of soils, their ability to chemical and physico-chemical interaction with binders, as well as the composition and properties of binders introduced into soils and those processes of chemical and physico-chemical order that they flow between the soil and the binder, as well as in the binders themselves.
Departmental roads, roadway quality, soil strength, cinder block binder, slag disposal
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