顶板抽排瓦斯钻孔位置相似模拟研究  

Research on Similar Modulation of Gas Drainage Borehole Layout in Roof

作　　者：涂敏[1] 刘泽功[1] 

机构地区：[1]淮南工业学院资源管理系,安徽淮南232001

出　　处：《矿业安全与环保》2002年第4期6-7,共2页Mining Safety & Environmental Protection

摘　　要：通过相似材料模拟试验手段,研究在煤层采动过程中,采场前、后、上方顶板内裂隙的生成、发育、闭合及变化发展规律,采场上方裂隙生成、发育丰富区的范围,提出将瓦斯抽放钻孔布置在裂隙发育丰富区内,研究结果应用于工程实践,取得了良好的效果。Resear ch was conducted on the generation,devel-opment,closure and variation regularity of cracks in roof in front of,at the back of and above the stope in the process of coal extraction through modulation test with similar materials,the crack generation above stope and the scope of crack well-developed zone.The author puts forward that the gas drainage holes should be arranged in the crack well-developed zone.Test result has been applied in practice and good benefit has been obtained.

关 键 词：钻孔位置 采动裂隙 顶板 相似模拟 瓦斯抽放 裂隙 

分 类 号：TD712.62[矿业工程—矿井通风与安全]