3．5～10m大倾角煤层巷柱式放顶煤阶段高度的确定  

Confirmation of Stage Height of Roadway Caving Mining in 3.5 ～ 10m Deeply Inclined Coal Seam

作　　者：许红杰[1] 闫少宏[1] 

机构地区：[1]天地科技股份有限公司开采所事业部,北京100013

出　　处：《煤矿开采》2006年第2期1-3,共3页Coal Mining Technology

摘　　要：根据3．5～10m大倾角煤层巷柱式放顶煤开采巷道布置方式，建立顶煤体力学模型。采用弹塑性理论分析和FLAC^3D数值模拟相结合的研究方法，确定了该采煤方法合理的阶段高度。A mechanics model of top coal is built up according to the roadway layout manner of roadway caving mining in 3.5 ～ 10m deeply inclined coat seam and the rational stage height of this mining method is confirmed by a combined method of elastic-plastic theory analysis and FLAC^3D numerical simulation.

关 键 词：巷柱式放顶煤 阶段高度 应力极限平衡区 FLAC^3D数值模拟 

分 类 号：TD823.53[矿业工程—煤矿开采]