Aiming at the roof management of coal mining working face,the research status,technical methods and management problems at home and abroad were summarized.Then,the stability and support technology of coal mine roof were discussed in depth,including rock characteristics,evaluation methods,support materials and structural design.The optimization strategy of roof management was put forward,which involves safety mining,environmental protection,economic management,personnel training and technology promotion.Finally,the shortcomings of roof management were summarized,and future research directions were pointed out,emphasizing the importance of new technology applications and interdisciplinary research in order to improve the level of coal mine roof management and promote sustainable development of coal mines.
mining working faceroof managementsupport technology
NETL
NSTL
万方数据
