中文摘要：

区域综合货运枢纽布局优化是区域综合运输系统规划的重要内容之一．文中首先以区域货运系统总体运输费用最低为目标，构建了区域综合货运枢纽布局优化模型．然后，研究了基于联合运输的区域货物综合运输网络描述方法，在一般联合运输路径概念的基础上，提出了货物联合运输合理可行路径的3个约束条件，即合理的方式序列、合理的运距和合理的换装次数．其次，研究了基于超级网络和遗传算法的模型求解方法，在枢纽之间增加了虚拟专用路径．最后，通过模拟分析算例对模型及求解方法进行了验证．研究结果表明，该模型与实际情况较为吻合，是区域综合货运枢纽布局优化的有效途径和方法之一．

英文摘要：

The layout optimization of regional comprehensive freight regional comprehensive transportation system. In this paper, first, hubs is one of important parts of the planning of a layout optimization model of regional comprehensive freight hubs is established to minimize the total cost of the freight transportation system. Next, a method based on intermodal transport is proposed to describe the regional comprehensive freight transportation network. Then, with the concept of normal intermodal transport route, three constraints, namely reasonable mode sequence, reasonable transport distance and reasonable transfer number, are presented to search for an optimal route. Moreover, a solving method of the proposed model is given based on the super network and the genetic algorithm, and a virtual special route is introduced in the hubs. The proposed model and its solving method are finally verified by a hypothetical analytical example. The results indicate that the model coincides with practical situation, and that it is an effective path of the layout optimization of regional comprehensive freight hubs.