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The paper presents the design of the tool for efficient determination of the hardnessof the snow road coating. The tool increases vertical positioning of the rod with the tip throughreplacement of the rod slide friction of the ball element by roll friction of its outer bearing racein order to enhance the accuracy of determining the hardness of the snow-ice road covering. Aspecial feature of the tool consists in possibility of creating different impact energy by thechange of the lifting height of the rod with the tip (indenter) and the exchangeable load mass.This allows the study of the influence of the tip shape and the impact energy on the snowstrength parameters in a wide range, extends the scope of application of the durometer andmakes possible to determine the strength of snow-ice formations by indenters with variousgeometrical parameters depending on climatic conditions

Tool and Method for Testing the Resistance of the Snow Road Cover to Destruction