TY JOUR TI BACKGROUND OF GEOPOLYMER-BASED CELLULAR CONCRETE PRODUCTION KW geopolymer KW cellular concrete KW porous structure KW synthesis methods KW performance properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kozhuhova, N.I. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov