中国铁路货运网编组站布局特性

以铁路货运网为基础，构建了铁路地理网和铁路运输网，运用复杂网络理论分析编组站的布局特征，研究得出了编组站的度、介数、脆弱性、出入度与出入强度、强度相关性等网络指标。基于铁路地理网的统计结果显示，我国编组站的平均度为 4.36，介数与度是正相关的，丰台西、山海关、向塘西等编组站的脆弱性较为突出。基于铁路运输网的统计结果显示，编组站的平均入度为 11.3，平均入强度为 3331.7，平均出度为 11.2，平均出强度为 3478.9，入强度与入度、出强度与出度均呈现正相关趋势，编组站强度相关性研究显示铁路运输网属于非同类混合网络，出入强度较高的编组站倾向于与其他出入强度较低的节点连接。

Chinese railway freight network marshalling yard layout properties

This paper constructs railway geographic network and railway transport network based on railway freight network,uses complex network theory to analyze the layout properties of marshalling yard,studies the marshalling yards degree,betweenness,vulnerability,in-degree,out-degree,in-strength,out-strength,neighbor in-strength,and neighbor out-strength.Based on railway geographic network,the average degree of marshalling yard is 4.36,betweenness and degree are positively correlated,the vulnerability of Fengtaixi,Shanhaiguan,Xiangtangxi,etc.are outstanding.Based on railway transport network,marshalling yards average in-degree is 11.3,the average in-strength is 3 331.7,the average outdegree is 11.2,the average out-strength is 3 478.9,in-strength and in-degree, out-strength and out-degree shows positive related trends.Studies on strength correlation shows that the railway transport network is non-similar blend network,marshalling yard which has high strength tends to connect the nodes that has low strength.