单孔微差控制爆破在大理石矿山覆盖层剥离中的应用价值

Application Value of Haplopore Control Blasting of Shorthole in the Stripping Operation of the Marble Mine Covering Layer

随着社会发展及市场需要,在矿山石材开采中越来越注重对石材的保护。本文针对镇宁大花山大理石矿EL1266m以上覆盖层剥离工程,通过对作业难点的技术分析,采用浅孔微差控制爆破技术,有效地保护了矿体,控制了飞石和震动,保证了施工工期,节约了施工成本。为山体矿藏石材开采覆盖层剥离作业提供了技术指导。

With the social development and the market need, the protection of stone in the stone mining gets more and more attention. Aiming at the stripping engineering of the covering layer above marble mine EL1266m in Zhenning Dahua Mountain, through analyzing the technology of operation difficulties, this paper uses short delay blasting of shorthole to effectively protect the ore body, control the flying rock and vibration, ensure the construction period, save the construction cost. It provides the technical guidance for the stripping operation of the mountain mineral stone mining covering layer.