摘要
本文主要阐述了特殊条件采煤工作面中,单体支架工作面在初次放顶时的顶板控制措施、采煤工作面老顶初次来压和周期来压时顶板控制措施、单体支柱工作面收尾时的顶板控制措施、采煤工作面过旧巷时的顶板控制措施。
The roof control measures of single support face in the first roof caving,control measures of upper roof in the first roof pressure and the cycle pressure,control measures when the face is closed and control measures when coal mining face crosses old roadway were put forward.
出处
《黑龙江科学》
2017年第2期154-155,共2页
Heilongjiang Science
关键词
特殊条件
采煤工作面
顶板控制
Special condition
Coal mining face
Roof control
