摘要
为保证安全通过322综放工作面回采范围内的老巷,通过分析各老巷与工作面层位关系,制定针对性措施。有效控制了顶板安全,确保了工作面过老巷期间的安全。
In order to ensure the NO.322 fully mechanized caving faces successfully get through the old working in mining range,according to analyze the stratigraphical relationship between the old working and each working face,this thesis make specific measures,which effective guarantee the safety of roof and ensure the security of the period of working face get through the old working.
出处
《煤矿现代化》
2018年第2期23-24,共2页
Coal Mine Modernization
关键词
过老巷
顶板控制
技术研究
getting through the old working
roof control
technology research
