摘要
分析了长壁开采支承压力分布特征 ,确定了回采巷道煤柱的载荷 ,导出了煤柱尺寸的计算公式。并与其它确定煤柱尺寸的方法进行了对比 。
Author analyzed character of supporting pressure caused by lonwall mining, confirmed pillar's load in actual mining roadways, obtained the formula of pillar's size. The paper compared this formula with other methods. The paper owns the referenced value for confirming pillar's size in actual mining roadways.
出处
《煤矿开采》
2002年第4期49-51,共3页
Coal Mining Technology
关键词
回采巷道
煤柱
载荷
强度
actual mining roadway
pillar
load
strength
