TY JOUR TI FEATURES OF THE PROCESSES OF HYDRATION OF BINDING COMPOSITIONS USING WASTE OF EXPANDED PERLITE SAND KW binding composition KW waste of expanded perlite sand. x-ray phase analysis KW hydration processes KW portlandite KW calcium hydrosilicates KW ettringite KW microstructure JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Zagoronyuk, L.H. AU Rahimbaev, S.M. AU Sumskoy, D.A. AU Ryzhikh, V.D. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov