TY JOUR TI THE INFLUENCE OF QUARTZ PARTICLE SIZE ON THE DEGRADATION OF CEMENT STONE UNDER HIGH TEMPERATURE AND HUMIDITY KW thermal corrosion KW cement stone KW degradation KW microstructure KW hydrosilicates KW strength JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Tolypina, N.M. AU Rahimbaev, S.M. AU Chashin, D.Y. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov