TY JOUR TI VERIFICATION OF SCAD MODELS OF REINFORCED CONCRETE COFFERED FLOOR BASED ON AN ANALYTICAL CALCULATION METHOD THAT TAKES INTO ACCOUNT SPANS AND STRUCTURAL RIGIDITY KW coffered floors KW floor stiffness KW verification KW the finite element model KW SCAD computing complex JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Mozgolov, M.V. AU Kozlova, E.V. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov