铁矿工业现阶段发展的特点是:由于露天采场深度急剧增加,使铁路运输作业条件越趋复杂。在许多露天矿的下部水平引进运输系统都是很困难的,而且需要改造线路布置系统,额外剥离大量废石。同时,在现代露天 The characteristics of the development of the iron ore industry at this stage are as follows: As the depth of the open pit increases sharply, the railway transportation operation conditions become more complicated. The introduction of transport systems at the lower level of many opencast mines can be difficult and requires the modification of the routing system to remove additional amounts of waste rock. At the same time, in the modern open air