摘要
文中对复合顶板结构特征、顶板事故冒落特点以及复合顶板控制技术进行分析,系统的对矿井开采的4号煤层顶板技术措施进行分析,现场应用结果表明,提出的复合顶板控制措施可以对顶板进行有效控制,能够保证采面生产的安全,为矿井后续4号煤层安全开采提供了宝贵的经验借鉴。
In this paper,the structural characteristics of the composite roof,roof accident inbreak characteristics and the control technology of the composite roof are analyzed,and the technical measures of the roof of No.4 coal seam mined in the mine are systematically analyzed.The field application results show that the proposed control measures of the composite roof can effectively control the roof,ensure the safety of mining face production,and provide valuable experience for the safe mining of the following No.4 coal seam in the mine.
作者
时勇
Shi Yong(Zhongxing Coal Industry CO.,LTD.of Shanxi Provincial Coking Coal Fenxi Mining Industry,Shanxi,030500)
出处
《当代化工研究》
2019年第15期51-52,共2页
Modern Chemical Research
