Road network is an important lifeline of a city, which affects the entire city social, economic survival and development. As a regional distribution network system, road network is vulnerable to earthquake. For emergency vehicle routing problem in post-earthquake city road network, this paper analyzes and proposes the concept of post-earthquake road safety, dividing emergency vehicle routing choice and optimization problem into two decision-making stages: pre-trip and en-route. In the pre-trip stage, based on the establishment of routing integrated indicators, using K shortest path algorithm, establishes pre-trip emergency vehicle multi-objective routing choice model; in the en-route stage, according to the circumstances of road section disruption or traffic congestion, presents the rule set of route optimization, respectively. Finally, using a simulated network, an example of the established model was proposed, and the results illuminate the validity of the model and the algorithm.


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    Titel :

    Emergency Vehicle Routing Problem in Post-Earthquake City Road Network


    Beteiligte:
    Wang, Jian (Autor:in) / Hu, Xiaowei (Autor:in) / Xie, Binglei (Autor:in)

    Kongress:

    Second International Conference on Transportation Engineering ; 2009 ; Southwest Jiaotong University, Chengdu, China



    Erscheinungsdatum :

    2009-07-29




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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