近年来,我国提出采用重载铁路专门运输矿产,目前正在修建的大秦线就是我国第一条重载运煤铁路。 重载铁路与一般铁路的最主要区别标准,可用线路年通过运输能力大小来衡量,线路年通过货运量大小取决于列车运行速度、轴重及每一列车总的货运量,因此年货运量是一个综合性指标。大秦铁路一开通要求年货运量达到 In recent years, China has proposed using heavy-haul railway to transport minerals exclusively. At present, the Daqin line under construction is the first heavy haul railway in China. The most important distinction between heavy haul railways and general railroads is that the available year is measured by the size of the transportation capacity. The year-by-year freight passage depends on the running speed of the train, the axle load and the total freight volume of each train. Therefore, A comprehensive indicator. Daqin Railway opened to require the annual cargo volume reached