opencast mining

Opencast mining is relatively safer.

露天矿的采集危险相对较小.

It is necessary that stripping plan be timely provided during the opencast mining.

露天矿生产过程中,需要及时提供采剥工程平面图.

Study of Deep Mining Technology of Large-scale Opencast Metal Mine

大型露天金属矿山深部开采技术研究

Opencast coal mining leaves large areas of refuse dump, because of the environment pollution, soil erosion, nutrient-poor of soil and biodiversity loss, vegetation reclamation in these areas is difficult, so explore the measures for soil improvement is important to practice.

露天煤矿开采形成大面积的排土场，由于环境污染、水土流失、土壤养分贫瘠、生物多样性减少等使排土场的植被恢复困难重重，因此探索改良土壤的有效措施具有生产实践意义。