TY JOUR TI PROPERTIES OF THE MODIFIED SILICA COMPONENT – A PROMISING RAW MATERIAL IN THE PRODUCTION OF AERATED CONCRETE KW aerated concrete KW silica component KW sedimentation stability KW specific surface area KW CaO activity KW chemical composition KW morphology JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Baranov, A.A. AU Shanin, A.O. AU Akulova, M.V. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov