TY JOUR TI Experimental Study of the Dynamics of Weakening of Retention Force of Movable Wooden Structures in Friction Gripping Devices KW wooden structures KW friction gripping devices KW clamping devices KW contact elements KW tightening force KW rheology of wood. JO Forestry Engineering Journal AU Babkin, A.I. AU Melekhov, V.I. AU Rudenko, A.V. PY 2017 IS 7 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov