TY JOUR TI INFLUENCE OF ANTIFOAMING ADDITIVES ON THE STRUCTURE AND PROPERTIES OF MODIFIED CONCRETE BASED ON A GYPSUM-CEMENT-POZZOLAN BINDER KW gypsum cement-pozzolanic binder KW antifoaming additives KW mineral oils KW fatty alcohol KW silicone modified with polyester KW mobility KW air entrainment KW density KW strength KW softening coefficient JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Qais, H.A. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov