摘要
通过研究云冈矿8633放顶煤工作面空巷群的空间位置关系,分析工作面过空巷群时可能面临的困难,提出了过空巷期间合理有效解决通风与支护两方面问题的方案,为综采工作面接替创造条件。
By a study of the space position of abandoned roadways in the 8633 top coal mining Ffce of Yungang Mine, and an analysis of the possible problems when the working face goes through the roadways,the author puts forward the reasonable effective during a alley solution to the problem of ventilation and support, to create conditions for replacement of fully mechanized working face.
出处
《山东煤炭科技》
2017年第12期28-30,共3页
Shandong Coal Science and Technology
关键词
放顶煤
老巷
措施
coal caving old roadways measures
