摘要
通过王坪矿1809综采工作面进行系统全面的矿压观测,掌握了山4#煤层顶板的活动规律,并进行了顶板分类。在此基础上,提出了山4#煤层顶板的控制措施。
Abstract Comprehensive instrumentation works in fully mechanizedlongwall face 1809 in Wangping Colliery have resulted in a good understanding of the behavior for hard roof strata of seam N04This paper provides a description of the work done together with classification result of the roof strataThen roof control strategy for seam N04 is highlighted
出处
《煤矿开采》
1999年第1期24-26,30,共4页
Coal Mining Technology