TY JOUR TI ANALYSIS OF RISKS OF INVESTMENT ACTIVITIES AT VARIOUS STAGES OF THE LIFE CYCLE OF CONSTRUCTION PROJECTS KW investment and construction project KW life cycle of construction facilities KW risk management system KW risk insurance system KW investment efficiency KW payback period KW propensity to risk JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Troshin, A.S. AU Stolyarova, Z.. AU Lesovik, R.V. AU Mahova, P.A. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov