In this paper, the research is carried out deeply aimed at the problems of the structure parameters of underground stope for transition from open pit to underground Mining in Shirengou Iron Mine.
针对石人沟铁矿露天转地下过渡期开采I区地下采场结构参数问题展开了深入研究。
Stope ground pressure control is a key issue in an open stope mining process.
采场地压控制是空场采矿法开采工艺的关键环节。
The influence of underground water on side slope stability of open-pit mining stope was probed. The existent problems at present were explained.
探讨了地下水对露天采场边坡稳定性的影响，并对目前存在的问题作了必要的说明。
The feasibility of increasing open pit′s service life by deeping the final mining elevation, treating lean copper ore in the piles, recovering stope side ore is discussed.
论述了延长铜山口矿露天采场服务年限的必要性 ，探讨了通过延深最终开采标高、处理堆场贫铜矿、回收挂帮矿量等途径以达到延长露采服务年限目的的可行性。
The mine is adopted to open-mining and underground-mining jointly, and the open-mine is divided into north and south stope.
由于历史因素，矿山开采本关先南露天采场后北露天采场原则进行。
The mine is adopted to open-mining and underground-mining jointly, and the open-mine is divided into north and south stope.
由于历史因素，矿山开采本关先南露天采场后北露天采场原则进行。
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