封闭通道出入口聚集作用理论模型及扩展

分析通道经济带内封闭线路出入口地区存在的优势区位及其原因;以通道内存在封闭的高等级公路与平行的非封闭普通低等级公路的不同情况,建立了三个数学模型,推导出存在的三种聚集状态,得到了封闭线路对经济带具有强制聚集作用及其聚集作用的产生和大小是由线路本身的空间特征——出入口的分布以及运输费用函数决定的结论;并根据模型的基本条件,将其扩展到其他运输方式线路,说明了模型对其他类型通道的可解释性,这对于区域运输线路的选择、产业布局和选择具有指导意义。

Models and their extending on aggregating effect caused by the entrance and exit of closed corridor

Author explains the reason why the entrance and exit area of closed corridor holds superior location than other areas. According to the different station, three corridor models are established, and three impact of aggregate are drawn. The conclusion is that the closed corridor brings forcing aggregate function to the economic zone, and the strength of this function is decided by corridor's spatial feature and cost function. Furthermore,according to the basic conditions of models, author extends the models to other kinds of corridor,and explains their suitability which has important significance for the corridor choice and industrial policies making.