UofT Libraries is getting a new library services platform in January 2021.
Learn more about the change.

Search Articles

X
Search Filters
Format Format
Subjects Subjects
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


内蒙古煤炭经济, ISSN 1008-0155, 2017, Issue 14, pp. 127 - 128
研究平行钻孔瓦斯抽放技术的应用效果,可以预防高瓦斯矿井瓦斯事故的发生。本文通过在同一试验巷道中布置Φ113mm的二组孔间距分别为4m、6m的平行钻孔,利用这些平行钻孔的实验数据,综合考察各组钻孔的瓦斯抽放效果。结果表明,试验巷道所在煤层的水平钻孔最合理的孔间距为4m,同时得出钻孔密度的增加有利于瓦斯预抽率的提高。 
合理孔间距 | 平行钻孔 | 瓦斯抽放
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.