%0 Journal Article %T Mathematical model of the ids fix the vertical mine trunk taking into account initial porosity of material and the depth of the occurrence %A Gotsev, D.. %A Perunov, N.. %K porous materials, cylindrical body under compressive load, the intense deformed state. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov