TY JOUR TI METHOD OF DETERMINING STRESS IN ROCK MASS USING HIGH-PRECISION GEODETIC MEASUREMENTS KW Collapse zone KW rock mass KW rock mass KW stress determination KW geodetic device KW profile lines KW frame KW failure JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Hramcov, B.A. AU Bylin, I.P. AU Korneev, P.V. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov