Currently,multi-mode integrated transportation in our army primarily relies on railways and roads.In order to establish ideal transport support scheme,the process of transportation modal shift draws much attention in practical events.According to military integrated transportation demand and mo-dal shift requirements,this paper applies multi-mode network model and graph theory,and uses military transportation loading and unloading capacity index at railway stations,as well as the evaluation method of military transportation go-through-ability index,on the basis of the geographical map,then simplifies transportation network,establishes road-railway integrated transportation network model,for the purpose of route optimization methods of military integrated transportation.%目前，我军多方式联合运输的主要手段是铁路和公路，在现实运用中军队重点关注运输方式转换的过程，以便合理地制定转运与保障方案。运用多模式网络建模和图论的相关理论与方法，根据部队联合输送任务需求和转运保障特点，采用铁路车站军事运输装卸载能力指数和军事运输道路通过能力指数评估方法，在地理地图的基础上，简化路网，建立公铁联合军事运输网络图模型，拟为军事联合运输路径优化研究提供方法。
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