TY JOUR TI DEVELOPMENT OF A PHYSICAL AND MATHEMATICAL MODEL FOR THE DESTRUCTION OF MIXED-TYPE DAMS KW destruction of the dam body KW interaction of water flows with soil KW physical and mathematical model KW sediment transport KW theory of the bottom layer JO Problems of risk management in the technosphere AU Babin, N.N. AU Kulinkovich, A.V. AU Estrin, E.R. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia