穿层钻孔与顺层钻孔抽采半径的差异性分析  

Analysis Difference of Drainage Radium between Crossing Hole and Drilled Hole along Seam

作　　者：刘军[1,2] 单文娟[3] 刘冠鹏[4] 

机构地区：[1]河南理工大学安全科学与工程学院,河南焦作454003 [2]河南省瓦斯地质与瓦斯治理重点实验室,河南焦作454003 [3]河南理工大学建筑与艺术设计学院,河南焦作454003 [4]郑州煤炭工业集团有限责任公司,郑州451200

出　　处：《煤炭技术》2016年第8期148-150,共3页Coal Technology

基　　金：河南省科技攻关资助项目(132300410119);国家自然科学基金(51404092);河南省瓦斯地质与瓦斯治理重点实验室资助项目(WS2013B01)

摘　　要：为了合理设计抽采钻孔,通过现场测试结合数值计算得出穿层抽采钻孔和顺层抽采钻孔的影响半径,并分析了其差异性的原因。研究结果表明:抽采钻孔的影响半径与抽采时间之间均符合指数关系,但顺层抽采钻孔影响半径远大于穿层钻孔影响半径。这对抽采钻孔的设计具有重要的指导意义。In order to design the drainage hole rational, the drainage effective radium is tested by spot and numerical simulation, and the difference reason of them is studied. The results show that drainage radium is the power relationship with drainage time. But the drainage radium of hole drilled along seam are longer than that of crossing hole. It is significance important to design the drainage holes.

关 键 词：穿层钻孔 顺层钻孔 抽采半径 差异性 

分 类 号：TD712[矿业工程—矿井通风与安全]