Journal of Intelligent Transportation and Urban Planning
Journal of Intelligent Transportation and Urban Planning(ITUP)
Frequency: Annually
Developing a Tolerated Risk Model for Solving Routing-Locating Problem in Hazardous Material Management
Because the use of hazardous materials (Hazmat for short) is getting to be widespread in industries, general view of considerable consequences of their accident impacts should remain assured. Therefore, hazardous material transport safety has a special importance in transportation planning. In the locating and routing problems which are remarkable concerns in Hazmat transportation, objective function is usually defined regarding to cost and transport risk. In this research work, a two-stage procedure has been defined to formulate the risk and cost effects in Hazmat transportation. Since, transport risk is more important issue in hazardous materials transportation, risk is minimized at the first stage. The optimum risk is used to determine the best routes according to the annual cost. In order to make a mathematical model in more flexible conditions a tolerated risk is used for solving locating and routing problems. Using the well-known technique of preemptive goal programming guarantees that tolerated risk is used to determine the best routes and optimal locations for Hazmat distribution centres. For validation process, an experimental network which consists of 89 nodes and 103 two-way links has been selected as case study. Results show that the proposed model is capable to determine the best locations as distribution centres in which decision makers have different viewpoints on the importance of risk and cost attributes over the road network.
Keywords:Routing-Locating Problem; Hazardous Materials; Tolerated Transport Risk; Fuel Distribution Centres
Author: Abbas Mahmoudabadi,Rozita Farokhi,Amir-Afshin Fattahi


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