摘要
预防煤壁片帮,支护要及时科学,并及时打开护帮板,进行液压系统检修,保证乳化液泵站压力,保证支架正常工作,对煤体进行超前加固,通过强制放顶降低顶板对煤壁的压力。
Support should be timely and scientific for preventing rib fall of coal walls. At the same time, the protective side boards are opened. The maintenance of hydraulic system is carried out in order to ensure the pressure of emulsion pumping, ensure the normal work of supports. The coal body is reinforced ahead. The roof pressure on the coal wall is reduced by reinforced caving of roof coal.
出处
《煤炭技术》
CAS
北大核心
2009年第3期89-90,共2页
Coal Technology
关键词
工作面
煤壁片帮
预防
face
rib fall of coal wall
prevention
