title: ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÐ¸ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ½Ð¾Ð²ÐµÐ½Ð¸Ñ ÐºÐ°ÑÐºÐ°Ð´Ð½Ð¾Ð³Ð¾ Ð²Ð·ÑÑÐ²Ð° Ð¸ ÐµÐ³Ð¾ Ð¿Ð¾ÑÐ»ÐµÐ´ÑÑÐ²Ð¸Ð¹ Ð½Ð° Ð¶ÐµÐ»ÐµÐ·Ð½Ð¾Ð´Ð¾ÑÐ¾Ð¶Ð½Ð¾Ð¹ ÑÐ¾ÑÑÐ¸ÑÐ¾Ð²Ð¾ÑÐ½Ð¾Ð¹ ÑÑÐ°Ð½ÑÐ¸Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: "Determining the possibility of a cascade explosion and its consequences at a railway marshalling yard."
Creators: name: ÐÐ¾ÑÐµÑÐ¾Ð²Ð°, ÐÐ»ÑÐ½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: ÐºÐ°ÑÐºÐ°Ð´Ð½ÑÐ¹ Ð²Ð·ÑÑÐ²
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ÑÐµÐ¿Ð»Ð¾Ð²Ð¾Ðµ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ðµ
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Ð¿ÑÐµÐ´ÑÐ¿ÑÐµÐ´Ð¸ÑÐµÐ»ÑÐ½ÑÐµ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ñ
cascade explosion
fire
railway station
rolling stock
tank car
production facility
dangerous cargo
excessive explosion pressure
thermal impact
destruction
preventive measures

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description: This work is devoted to determining the possibility of a cascade explosion and its consequences at a railway marshalling yard during the transportation of dangerous bulk cargoes by rolling stock with tank wagons, as well as the development of preventive measures to prevent emergencies and minimize their consequences. The object of the study is the assessment of fire danger at a railway marshalling yard, including the conditions of transportation and storage of explosive and flammable substances. The subject of the study is the possibility of a cascade explosion due to a fire on a freight rolling stock, as well as its consequences for the infrastructure and personnel of the station. The aim of the work is to determine the possibility of a cascade explosion and its consequences at a railway marshalling yard, as well as to develop preventive measures to prevent emergencies and minimize their consequences. Tasks completed during the work: 1. Fire hazard analysis of substances and materials transported at a railway marshalling yard to identify the most explosive and fire-hazardous cargoes. Identification of potential ignition sources that can lead to a fire on the territory of the marshalling yard. 2. Development of an algorithm for evaluating the possibility of a cascade explosion, calculation of explosion parameters and thermal radiation, as well as assessment of the consequences of a cascade explosion for personnel, buildings and infrastructure of the station. 3. Development of preventive measures to prevent the occurrence of a cascade explosion and minimize its consequences. As a result of the study, a detailed analysis of substances and materials transported at the marshalling yard was carried out, with classification by hazard classes. The most explosive and fire-hazardous cargoes have been identified. An algorithm for estimating the possibility of a cascade explosion has been developed, on the basis of which an analysis of the possible formation of a cascade explosion has been carried out. Potential ignition sources on the territory of the railway station have been identified. Calculations of overpressure and thermal radiation have been performed for various emergency scenarios with leakage and ignition of propylene and gasoline. The consequences of explosions and fires for the personnel, buildings and equipment of the station were assessed. Zones of critical damage and destruction in the case of a cascade explosion have been identified. To achieve these results, the following information technologies were used: Polytechnic Electronic Library (elib.spbstu.ru ), scientific electronic library (www.elibrary.ru ), Microsoft Excel, ConsultantPlus help system. Based on the calculations and analysis carried out, a set of preventive measures was proposed, including technical, organizational and engineering solutions to prevent and minimize the consequences of a cascade explosion.