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某露天矿分期开采设计实践

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针对矿区上部扩帮区域宽阔,上覆岩层厚大的生产实际情况,提出了矿山分期开采的扩帮方案.将矿山扩帮区域分为三期建设,确定各分期的开采区域、开采最高标高、矿岩量,结合矿区内部、外部开拓运输道路,优化各分期扩帮境界,确定合理的各分期扩帮的开始时间,以达到均衡生产剥采比、减少基建投资、降低生产成本的目的,实现露天矿山扩帮的经济、高效.
Practice of Phased Mining Design in an Open-pit Mine
In response to the actual production situation of the wide upper slope-expansion area and thick overlying rock layers in the mining area, a phased mining and slope-expansion plan for the mine is proposed. The slope-expansion area of the mine is divided into three phases for construction, and the mining area, highest mining elevation, and ore and rock volume for each phase are determined. Combined with the internal and external development and transportation roads of the mine, the slope-expansion boundary of each phase is optimized, and the reasonable start time of slope -expansion for each phase is determined, so as to achieve the purpose of balancing the production stripping ratio, reducing the investment in infrastructure, lowering the production cost, and realizing the economy and high efficiency of slope-expansion of the open-pit mines.

open-pit miningphased miningmining process

刘国强、朱龙胤

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中冶北方(大连)工程技术有限公司,辽宁 大连116600

露天开采 分期开采 开采工艺

2024

矿业工程
中冶北方工程技术有限公司,中国冶金矿山企业协会

矿业工程

影响因子:0.282
ISSN:1671-8550
年,卷(期):2024.22(4)