摘要
通过多年对发生在采煤工作面的事故分析,得出工作面易发生顶板事故的5种类型、易发地点、发生事故的基本规律,针对不同的地点、不同的类型采取不同的预防措施,取得了良好的效果。
According to the analysis of the accidents occurred in the coal face in a few years, five accident-prone types, accident-prone locations and basic laws in coal face roof were indicated in this paper, for different locations and different types, different preventive measures have been adopted, which have achieved good results.
出处
《煤炭技术》
CAS
北大核心
2009年第7期169-170,共2页
Coal Technology
关键词
冒顶
围岩破碎
顶板压力
cave
surrounding rock crusher
pressure on the roof
