TY JOUR TI THEORETICAL DESCRIPTION OF WATER DISTRIBUTION IN CONCRETE MIX-TURES ON LIGHTWEIGHT AGGREGATE KW lightweight concrete KW hollow aggregate KW porous aggregate KW structure KW model KW water distribution KW water adsorption JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Inozemcev, A.S. AU Korolev, E.V. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov