Risk analysis of LPG transport by road and rail |
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| Affiliation: | 1. Gruppo Nazionale di Ricerca per la Prevenzione dei Rischi Chimico-Industriali ed Ecologici, Consiglio Nazionale delle Ricerche, Via Tiburtina 770, Rome, Italy;2. Laboratorio di Igiene Ambientale, Istituto Superiore di Sanità, Viale Regina Margherita 229, Rome, Italy;3. Dipartimento di Ingegneria Chimica, Università di Roma “La Sapienza”, Via Eudossiana 18, 00184 Rome, Italy;1. Department of Mechanical Engineering, Dr. Sivanthi Aditanar College of Engineering, Tiruchendur 628215, Tamil Nadu, India;2. Department of Mechanical Engineering, Ramco Institute of Technology, Rajapalayam 626117, Tamil Nadu, India;3. Department of Mechanical Engineering, P.S.R. College of Engineering, Sivakasi 626140, Tamil Nadu, India;4. General Manager, (Retired), HMT Machine Tools Limited, Pinjore, India;1. Centre for Artificial Intelligence (CAI), School of Systems, Management, and Leadership, Faculty of Engineering and IT, University of Technology Sydney (UTS), Sydney, Australia;2. Safety and Security Science Group, Faculty of Technology, Policy, and Management, Delft University of Technology, Delft, The Netherlands;1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China;2. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China;3. China Gas Association, Beijing, 100035, China;4. Research Institute of Macro-safety Science, University of Science and Technology Beijing, 100083, China;5. Institute of Defense Engineering, AMS, Beijing, 100043, China;1. Department of Civil and Environmental Engineering, Rutgers, The State University of New Jersey, CoRE 606, 96 Frelinghuysen Road, Piscataway, NJ 08854-8018, United States;2. Rail Transportation Engineering, Penn State Altoona, Penn Building - RTE Suite, 216F, 1431 - 12th Avenue, Altoona, PA 16601, United States;1. School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan, 430070, Hubei, China;2. Wuhan Kean Emergency Technology Co., Ltd., Wuhan University of Technology, Wuhan, 430070, China |
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| Abstract: | Historical data concerning more than 130 LPG rail and road transport accidents were critically examined, identifying the scenarios, following their evolution into the final accidental events, and determining their theoretical probabilities of occurrence. In principle, rail accidents are rather hazardous, the most probable scenario being a major release followed by an UVCE. However, in order to discriminate among road and rail transport, the relevant number of trips and accident rates should be taken into account. In fact, the application, concerning the transport of 5700 ton/year of LPG in Italy along one rail and two different road itineraries, showed that the risk for rail transport was more than one order of magnitude lower than that for those on the roads. The population density along the route and the accident rate, rather than the length of the route, appear the most important factors for discriminating between different itineraries. |
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