摘要
针对华玫矿业9号煤层回采中底板突水事例,分析了其突水原因,提出了强制放顶管理顶板方法,很好地解决了工作面底板突水问题,提高了回采率,改善了作业环境,减轻了井下人员的劳动强度。
The causes of water inrush from floor in seam 9 of Huamei Mining Co. were studied to propose roof management with forced caving. The method solved the water inrush problem, increased recovery ratio, improved working environment, and decreased labor intensity of underground staff.
出处
《山西煤炭》
2013年第2期69-70,76,共3页
Shanxi Coal
关键词
强制放顶
缓慢下沉
底板突水
forced caving
gradual sagging
water-inrush from floor
