Control Technology for Broken Roof of Coal Mining Face
The aim was to study the control technology of broken roof in coal mining face,in order to improve mine safety and production efficiency.The causes of broken roof and influencing factors of roof control were analyzed,and how to deal with the problem of broken roof effectively was discussed.The research results show that the scientific and reasonable roof control technology can significantly reduce the accident risk,improve the stability and efficiency of the coal face,and is of great significance to the mine production.
NETL
NSTL
万方数据
