TY JOUR TI Classification pavement in logging companies to calculate their strength characteristics KW pavement KW properties KW elasticity KW hardness KW test strength JO Actual directions of scientific researches of the XXI century: theory and practice AU Sushkov, S.I. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov