TY JOUR TI Conceptual model for justifying a rational engineering protection system for transport infrastructure against systematic floods KW transport infrastructure KW floods KW engineering protection system KW rationality KW resource constraints KW conceptual model KW abstract operator KW resilience JO Siberian Fire and Rescue Bulletin AU Kozhevnikov, B.K. AU Ryzhov, A.A. AU Belousov, V.N. PY 2026 IS 0 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia