%0 Journal Article %T MINE SHAFT INSPECTATION THE TRUNK OF MINE OPERATED IN DIFFICULT ENGINEERING-GEOLOGICAL CONDITIONS %A Vorobev, .. %A Sergeev , S.. %A Frolov , N.. %K shaft, combined shoring, concrete, tubing, compulsory checking, extensometer, strain, deformation, load on the shoring %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2017 %N 2 %P 4 %I Belgorod State Technological University named after V.G. Shukhov