摘要
皖北煤电集团恒源煤矿采煤一区683B工作面顶板较为破碎,片帮、掉顶时常出现。在生产中,该矿结合工作面的具体情况,对工作面的片帮、掉顶及过旧巷进行了具体分析,采取了相应的技术措施,取得了较好的经济效益和社会效益。
In No.1 mining area,in Hengyuan Coal Mine,383B face roof is broken,the wall caving and roof caving oftenly appear.In production,in combination with the specific circumstances at the face,some aspects are specifieally analyzed,such as wall caving,roof caving and through old roadways,the corresponding technical measures are adopted,the better economic and social benefits are obtained.
出处
《煤炭技术》
CAS
北大核心
2011年第6期95-96,共2页
Coal Technology
关键词
复杂地质条件
高档普采工作面
顶板管理
complicated geological conditions
grade common face
roof management.