超前瓦斯排放钻孔有效排放半径的测定
Industry and Mine Automation（2010）
Abstract
介绍了煤层超前钻孔的防突机理,比较和分析了超前瓦斯排放钻孔有效排放半径的3种测定方法,选择钻屑量与钻屑瓦斯解吸指标法进行了现场应用.应用结果表明,使用钻屑量与钻屑瓦斯解吸指标法测定排放钻孔的有效排放半径简便易行,准确可靠.
MoreTranslated text
Key words
method of gas flow in drilling hole,method of decreasing gas pressure in drilling hole,method of drilling cuttings weight and gas desorption index of drilling cuttings,gas drainage,effective degassing radius,advancing hole,coal mine
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined