TY JOUR TI THE INFLUENCE OF TECHNOLOGICAL FACTORS ON THE RATIO OF TENSILE STRENGTH OF CEMENT SYSTEMS AT VARIOUS SETTING TIMES KW JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Rahimbaev, S.M. AU Chernikova, I.S. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov