ICE COVERING OF REGIONAL AND MUNICIPAL ROADS OF KHANTY-MANSI AUTONOMOUS OKRUG – YUGRA

Relevance: The road safety, the quality and effectiveness of maintenance works in winter directly relate to the volume and frequency of ongoing anti-icing. For federal roads, indicators determining the use of anti-icing materials and their cyclic processing are determined by industry regulations. For regional or municipal roads, these norms are sometimes adopted as well as for federal roads, but without considering the climatic conditions of territories of their location. Purpose: Determination of evidence-based indicators of the road ice-covering in the Khanty-Mansi Autonomous Okrug-Yugra and their anti-icing treatment depending on the climatic conditions of the Okrug. Methodology: Statistical processing of observation results of climatic parameters affecting the formation of ice covering in 8 districts and 6 meteorological stations outside the Okrug for the years 2000–2017. The kriging method (SURFER software) was used as a method of point interpolation. Research findings: The number of days with possible ice covering during the cold period and the number of cycles of anti-icing treatment of road surfaces in the administrative regions of the Okrug are obtained with a 50 and 95 % probability, depending on the climatic conditions.

road safety, winter road maintenance, ice covering, climatic conditions, anti-icing materials

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