Construction and Evaluation of Beijing-Tianjin-Hebei Inter-city Highway Freight Flow Network based on Gravity Model
2019
The spatial interaction between cities and regions is an important issue in urban geography. It is imperative to scientifically describe the relationship between different cities in regional networks at specific scales. The Beijing-Tianjin-Hebei highway freight contact matrix based on the gravity model is constructed and compared with the actual measured data of Beijing-Tianjin-Hebei highway freight. The social network analysis method is used to compare and analyze the overall structure, core degree and cohesion subgroups of the network. And discussing the adaptation scope and evaluation of the gravity model.
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