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Study on hydrogeological conditions of Sicomines copper mine in Democratic Republic of Congo and its drainage scheme
Author(s): 
Pages: 46-50
Year: Issue:  9
Journal: Geotechnical Investigation & Surveying

Keyword:  矿山开采 地下水 疏干方案;
Abstract: Sicomines铜矿是世界级特大型铜矿,是在前人开采18年停产15年后重新扩大规模开发的矿山,矿区为加丹加矿脉的一部分,区域地层主要为罗安群和孔德龙古群,罗安群及其矿脉中白云石和白云质砂岩交替出现,地层、水文地质条件导致背斜向斜地层深度破碎,含水层厚度大,富水性透水性强。在详细分析矿区水文地质条件的基础上,从水文地质条件及经济技术合理性出发,确定矿坑水必须预先疏干,首先采取地表井疏干,然后采用巷道和垂直放水孔联合疏干的方案,并提出了一系列矿山防治措施,该方法在同类地区具有推广价值。
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