Study On Rural Post-disaster Emergency Logistics Transportation Mode Choice Model

Emergency logistics refers to the supply of sudden sudden events such as natural disasters, sudden public health event emergency relief supplies needed for the transportation, for the purpose, in pursuit of maximum benefits of time after a disaster and disaster area disaster losses of the goal of minimizing the special logistics activities. Emergency logistics is an important part of disaster emergency management in our country, its construction and development will directly affect the pace of economic growth and social development of our country. Rural post-disaster emergency logistics job mainly divided into rural disaster emergency relief supplies to transport in the early work and reconstruction the transport of goods required. Rural post-disaster emergency logistics rationalization of choice on the mode of transportation, is a rural post-disaster emergency logistics transportation management system effective supplement and complete, is a rural post-disaster emergency is an important part of logistics organization and management. Through the establishment of rural post-disaster emergency logistics transportation mode choice model, and to reduce the financial burden on rural disaster areas, guarantee rural areas timely access to emergency relief and post-disaster reconstruction material plays a very important role, therefore, to establish the reasonable rural post-disaster emergency logistics transportation mode selection model and the system of study, has extremely important theoretical value and practical significance.In order to solve the rural post-disaster emergency logistics transportation mode of transportation of the choice problem of single mode, introduced the basic theory of probability of multinomial Logit model and modeling method. Combined with the characteristic of rural transportation network, to determine the impact of rural three decisive factors of emergency transportation mode choice(transportation characteristic variables:network broken after using ability, weather conditions and field size) And four specific variables(transportation cost, transportation time, frequency and reliability), Construction of rural disaster emergency logistics mode of transportation of the single mode probability model and the data processing method is put forward.In order to solve the rural post-disaster emergency logistics transportation multi-mode coordinated optimization of transportation problem, the optimal transportation ways of introducing the basic theory of coordination optimization and modeling method. Combining with the characteristic of rural transportation network, determine the impact of multimodal transport rural important influencing factors of emergency logistics transportation mode choice: transportation costs, switching costs, punishment cost, shipping time, operation cost, operation time and transformation, and other factors affecting the comprehensive examination. Within the prescribed period of time with the minimum transportation cost as the goal, to build rural post-disaster emergency logistics transport multimodal optimization model and modeling method is put forward.In rural set up corresponding disaster emergency logistics transportation mode choice model on the basis of the structure to solve the problem of rural disaster emergency logistics transportation network diagram, in rural areas after a disaster emergency logistics for example calculation and the result analysis. The results show that the application of these two kinds of theoretical models for rural post-disaster emergency logistics transportation mode selection is reasonable and effective.