TY JOUR TI DEPENDENCE HYDRAULIC ACTIVITY CLINKER FROM GRIDING DEGREE OF SEPARATE RAW MATERIAL COMPONENTS KW limestone KW clay KW fineness KW clinker activity KW cement stone JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kalyuzhnov, I.V. AU Nurakov, E.S. AU Klassen, V.K. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov