%0 Journal Article %T Research of in-service stress-strain state of wooden sleepers %A Bozhelko, I.. %K sleepers, model, determination, stresses, deformations %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov