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This paper intends to introduce the author's analysis on the general framework of hazardous materials (hazmat) risk during the road transportation that may be caused by the route choice, the vehicle or traveling risk source and the impact area. It has mainly discussed the route-independent and route-dependent factors, including the factors correlated to intrinsic road characteristics, meteorological conditions, traffic characteristics and the population density. As is known, the risk analysis is of the premise to the hazmat optimal routing, which is of utmost importance both to the decision-making of government and the carrier itself. The present paper has also discussed the importance of the bi-level routing management model while giving a detailed analysis on the possibilities to minimize the accident probabilities and population exposure models. And, in final analysis, the hazmat routing problem can be resolved with impedance-adjusting node-labeling shortest path-selection algorithm and link-labeling shortest path-selection algorithm. Moreover, a detailed study on the population exposure zone has also been done, taking full account into the error terms of the overlaps between adjacent links, which is also worthy of careful calculation.
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Basic Information:
China Classification Code:U492.336.3
Citation Information:
[1]REN Chang-xing1, WU Zong-zhi2 (1 Urban Public Safety Research Center, Nankai University, Tianjin 300071, China, 2 China Academy of Safety Science and Technology, Beijing 100029,China).On route-choice analysis of hazardous materials transportation[J].Journal of Safety and Environment,2006(02):84-88.
Fund Information:
科技部基础和社会公益性研究项目(2004DID2J061)
2006-04-25
2006-04-25