Irkutsk, Irkutsk region, Russian Federation
UDC 614.841.2
The article considers current issues of combustion products propagation during fires at outdated sports facilities designed and built according to fire safety standards that do not meet modern requirements. The object of the study was the Sports Palace of the Trud Stadium in Irkutsk, a typical representative of Soviet-built sports facilities. Using mathematical modeling in the Fire Dynamics Simulator (FDS) program, a detailed analysis of the fire development dynamics was carried out under the most dangerous scenario - a fire in a shopping pavilion located in the lobby of the 1st floor. The results of the study revealed several key problems: extremely rapid spread of combustion products through the openings of open staircases, blocking of the main evacuation routes, and reduced visibility in the auditorium within 4-5 minutes after the start of the fire. Particular danger is created by the lack of modern fire protection systems - automatic fire extinguishing and smoke ventilation, which is typical for many outdated sports facilities. The authors emphasize that the existing legislative framework, which allows such facilities to be operated according to old standards, does not provide the necessary level of safety during mass gatherings of people. Based on the analysis, a set of measures is proposed, including equipping outdated sports facilities with modern fire protection systems. The results of the study can be used in developing new regulatory documents and concepts for the modernization of such facilities
ustarevshie sportivnye ob'ekty, rasprostranenie produktov goreniya, pozharnaya bezopasnost', modelirovanie dinamiki pozhara, protivopozharnaya zaschita
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