摘要
针对枣泉煤矿12207工作面回风巷出现顶板下沉、两帮收缩、底鼓等剧烈变形,在采用三种传统维修方案后维修效果不理想的情况下,采用了瑞米支柱支护的新技术,取得了良好的支护效果和经济效益。
There are many acute deformations in the return airway in the 12207 working face of Zaoquan Coal Mine, roof subsidence, the tional repaire plans are non effect and economic benefit. walls shrink, the floor heave ect for example. After the repairing results of there tradi- - ideal, the new support technology of ruimi pillar is used, which gets good supporting
出处
《榆林学院学报》
2012年第4期1-3,共3页
Journal of Yulin University
关键词
瑞米支柱
巷道维修
支护技术
Ruimi piallar
tunnel repairing
support technology
