abrasive water jet, water cutting of building structures, high pressure water supply unit, high-pressure barrel, sandblasting nozzle, abrasive material, Crisis management. Emergency management. Inflation, HD49-49.5

Purpose. Improving the efficiency of abrasive water jet cutting by choosing rational process parameters and abrasive material. Methods. Full-scale tests within the program of a full-factor experiment on cutting a high-pressure barrel into building structures, statistical data processing. Findings. Experimental data on the time of the high-pressure cutting barrel into building structures made of various materials have been obtained. Application field of research. The research results can be used by fire rescue units in emergency response.