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Elementary Analysis of Surface Borehole Stability in Gob Area Methane Drainage
Author(s): 
Pages: 1-4
Year: Issue:  3
Journal: SAFETY IN COAL MINES

Keyword:  地面钻孔岩层移动钻孔稳定性;
Abstract: 以淮南矿区地面钻孔抽放试验为基础,运用现场考察数据分析和数值模拟相结合的研究方法,分析了地面钻孔的稳定性,得出了和以往不同的认识.认为钻孔的破坏是随着工作面推进而发生的动态过程,布置在靠近回风巷侧钻孔更加稳定.
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