The Method for Recognize and Hazard Zoning on Isfahan Road Network

Network Transportation Roads as the most widespread and easy access methods of passenger and goods Displacement are Exposure to different kind of disasters. On the one hand, Variety and Expansion of disasters due to Geographical situation of Iran and on the other hand Depreciation of Transportation Infrastructures, because the daily increase of Transportation networks Costs. So, identifying and prioritizing of disaster talented points in this network has an important role in control and decrease the Costs of disasters in suburban Transportation networks. In this research, According to the method which is based on Principles of Engineering Economics, will be paid to Evaluation of disaster costs in Isfahan suburban roads, identification and prioritize of disaster talented points. For example, using this method in Isfahan urban networks create these In Isfahan, 62.6 % of damages in road networks is related to natural hazards and 37.4 % is related to human ones (accidents). Kashan, Shahreza and Shahinshahr & Meimeh are the most risky counties in Isfahan. In Isfahan urban transportation network, Land slide is 10.6 more risky than earthquake and it is 39.3 more risky than flood. If flood in Shoor river damage to Shoor Bridge in Mobarakeh-Boroojen Road, all relations to Semirom County will be broken up. As it shown, this method because of its Ability to consider all natural and human-made disasters simultaneously and also because of its ability to correct the benefit Ratio in each point according to network has the satisfactory answers for Governmental decisions.