| Through analysis of highway transportation system, the writer thinks that the plan and construction of highway-transportation hub must be coordinated with those of highway, because both of them are part of basic infrastructure. According to the demands of the transportation, the writer further analyses the function of the main hub in detail.After reviewing the practice of the plans for the main hub, the writer, by utilizing schema, optimum seeking methods, fuzzy mathematics and operations research, studies macroscopic and microcosmic method for the layout of the main hub, advances judge methods for plan candidates, and makes the corresponding experiment. Finally, the structure layer of transportation hub is further discussed. |
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