TY JOUR TI VERIFICATION OF CORE AND SOLID-STATE MODELS OF THE SCAD COMPUTING COMPLEX FOR THE CALCULATION OF REINFORCED-CONCRETE WAFFLE SLAB FLOOR SYSTEM KW reinforced concrete waffle slabs KW finite element model KW solid-state volumetric model KW bending moments KW verification KW convergence of the result 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