TY CONF TI USE OF GEOSYNTHETIC MATERIALS TO REDUCE COSTS OF DRY AND FROST-PROTECTING PAVEMENT LAYERS KW subgrade KW forest roads KW geomats KW and profiled geomembrane JO MODERN FORESTRY COMPLEX OF THE COUNTRY: INNOVATIVE DEVELOPMENTS AND PROGRESSIVE TECHNOLOGIES AU Kurdyukov, D.P. AU Manukovsky, A.Y. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov