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Working of Coal body Drillhole in Fully- Mechanized Mining Workface
Author(s): 
Pages: 34-34,54
Year: Issue:  1
Journal: COAL

Keyword:  煤体钻孔施工角钻孔成孔率;
Abstract: 根据公式计算来确定综放工作面钻孔的施工角,为现场的打钻作业提供理论依据.通过在王庄矿4327综放工作面的打钻实践,初步总结出影响钻孔成孔率的几项因素以及采取的对策,对今后的打钻作业提供有益的参考.
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