Disaster Risk Analysis of Transportation Infrastructure System

When natural disaster,atrocious weather or accident happens,transportation system may close down and result in travel cost increasing or some travel being called off Depending on the structure of user cost and the traffic demanding and distribution model,the estimation method of the unit user cost is proposed in the paper The sum of the user cost and the remedy cost constitute the disaster loss or consequence,which is the function of closing time,usability of other circuitous road and the remedy measure Depending on the probability of disaster happening and according consequence,the disaster risk is assessed In the meantime,several common anti?disaster measures are suggested,which can deduce the road closing probability or according loss Depending on the cost?benefit analysis of different anti?disaster measures,the anti?disaster plan can be decided