露天矿分期开采及内部排土

Open Pit Mining by Stages and Internal Dumping

对于开采范围比较大,开采年限比较长的深凹露天矿山,其采矿方法可采用分期开采。阐述了分期开采的优点、分期开采的设计思路,并以某露天开采花岗岩矿山为例,介绍其采用分期开采和内部排土的方法。

As open-pit mine has large mining scope and for open-pit sag,mining by stages can be adopted.This paper discusses advantages of mining by stages and its design thinking.An open-pit granite mine,for which internal dumping and mining by stages are adopted,is introduced.