论文部分内容阅读
早在七十年代初即向采矿界提出了帮内运输概念,它不是应用传统的露天矿坑内斜坡公路,而是在露天矿边帮内应用单或双斜坡坑道,并以联络巷道连通露天矿各水平。
As early as the early 1970s, the concept of in-bound transportation was proposed to the mining community. Instead of using conventional open-pit pit slopes, single- or double-slope tunnels were used in the open pit side mines and the open pit Every level.