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THE MARKOV MODEL OF CASCADE DEVELOPMENT IN THE FIRE AND EXPLOSIVE SITUATION IN PARKING LOT

Published in Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» · Pages 16–25 · Rubric: FIRE SAFETY
DOI: https://doi.org/10.61260/2218-130X-2024-2023-4-16-25
Received: 23.11.2023 Accepted: 04.12.2023 Published: 14.02.2024
The article deals with issues related to fires and gas explosions in limited construction volumes, in particular, fires of liquid-fueled cars and explosions of gas-cylinder cars in underground parking lots and ground parking lots of a closed type. It is shown that various emergency situations of a cascading nature can occur in such parking lots – from fires of one or several cars to explosions of gas-cylinder cars both due to depressurization of gas-cylinder equipment and due to heat flows from neighboring burning cars. A Markov chain of cascading development of an emergency situation in a parking lot is constructed and quantitative estimates of the probabilities of the corresponding situations are obtained.
car, parking lot, fire, explosion, cascade process
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