硬岩超深孔α掏槽爆破掘进技术研究  

Study on α Cutting Blasting and Heading Technology with Ultra-Deep Holes in Hard Rock

作　　者：姜仁义 许洪亮 张明峰 

机构地区：[1]中冶京诚(秦皇岛)工程技术有限公司,河北秦皇岛066004

出　　处：《建井技术》2017年第1期32-34,4,共4页Mine Construction Technology

摘　　要：根据金属矿山采切工程特点及天溜井一次成井实践,对硬岩超深孔爆破掘进技术进行了分析研究,提出了硬岩超深孔α掏槽法。α掏槽法将掏槽、扩槽及掘进井巷断面之间的相互关系进行了量化,简单明确,便于现场布置和施工,可应用于硬岩超深孔掘进爆破工程。According to the mining and cutting engineering features of the metal mine and the practices on a full completed sinking of an ore pass,an analysis study was conducted on the blasting and heading technology with ultra-deep holes in the hard rock and anαcutting method with ultra-deep holes in the hard rock was provided.Anαcutting method was applied to the quantization conducted on the interrelation between the cutting,reaming and the cross section of the heading roadway.Anαcutting method was simple and definite,could be favorable to the site layout and construction and could be applied to the heading blasting engineering with ultra-deep holes in hard rock.

关 键 词：金属矿山 硬岩 超深孔 α掏槽法 掘进爆破 

分 类 号：TD236[矿业工程—矿井建设]