TY JOUR TI COMPARISON OF CAD AND BIM TECHNOLOGY EFFICIENCY WITH THE USE OF A MATHEMATICAL MODEL KW BIM-technology KW CAD-technology KW information modeling KW capital construction KW construction KW economic efficiency of implementation JO Construction Materials and Products AU Solov'ev, D.B. AU Kopotilova, V.G. AU Katyuk, D.P. AU Pirus, A.V. AU Grigoryuk, V.A. AU Krylova A.I., A.I. PY 2021 IS 4 PB Belgorod State Technological University named after V.G. Shukhov