大学毕设论文--重载货运通道与既有线的衔接问题研究.docVIP

本科毕业设计（论文） The study of overloaded freight channel connecting with existing lines 学 院 专 业 学生姓名 学 号 指导教师 北京交通大学 2016年12月  学士论文版权使用授权书 本学士论文作者完全了解北京交通大学有关保留、使用学士论文的规定。特授权北京交通大学可以将学士论文的全部或部分内容编入有关数据库进行检索，提供阅览服务，并采用影印、缩印或扫描等复制手段保存、汇编以供查阅和借阅。 （必威体育官网网址的学位论文在解密后适用本授权说明） 学位论文作者签名 指导教师签名 签字日期 2016年 月 日 签字日期 2016年 月 日 中文摘要 摘要 关键词 ABSTRACT ABSTRACT: At first,the article discusses the way of coal transportation .Then analyze coal sinotrans stake status Shanxi Shanxi and the west of Neimenggu.At the same time, the article discusses the railway network by Arc map.Through the network analysis to find out the topological relations of railway network in China,Find out the connection of the important cargo transport lines.Using Visio to draw the map of the network connection of the north channel of our country coal.The information of railway network in our country is analyzed, including the position of the railway network, the length of the line and so on.And through the Arc map to solve the problem of path selection in the case of ordinary cargo transport.The model of freight transportation cost is established by dividing the transportation cost into variable cost and fixed cost.By establishing the linear regression model, the fixed cost and variable cost distance coefficients of each heavy load line are calculated in the case of the transport price of each railway line between different stations.A network model is established for the case of coal transportation in our country by means of distance coefficient and variable cost.In the network, the virtual circuit is used to replace the cost of the connection between the heavy load transport line and the common line.By the theory of graph theory, the network calculation example was solved, and the choice of route in the road network with heavy load was obtained. KEYWORDS：Overloading channel; Path choice;