山东煤炭科技Issue(12):8-9,2.DOI:10.3969/j.issn.1005-2801.2014.12.03
钻孔长度与掘进工作面抽采达标时间关系
Relationship between pumping borehole length and drainage standard time of heading
李明洋1
作者信息
- 1. 中煤科工集团重庆研究院有限公司,重庆 400037
- 折叠
摘要
Abstract
Through pre-drainage using different length drilling in heading, according to the actual drainage standard time, get the relationship between pumping borehole length and drainage standard time of heading.关键词
钻孔长度/抽采达标/预抽瓦斯/煤巷掘进Key words
borehole length/extraction standards/pre-drainage gas/coal roadway分类
矿业与冶金引用本文复制引用
李明洋..钻孔长度与掘进工作面抽采达标时间关系[J].山东煤炭科技,2014,(12):8-9,2.