Location of Stopping Line and Application of Polyester Fibre Flexible Mesh in Fully-mechanized Caving Face
In order to ensure the stability of the surrounding rock during the final mining of 3308 fully-mechanized caving face,the reasonable size of the stop mining coal pillar was determined with the help of numerical simulation and theoretical analysis,and the final design of the width of the stopping line coal pillars needs to be more than 49 m.In order to reduce the labor intensity of workers,the method of metal mesh combined with flexible mesh to protect the roof of the working face was used to realize safe and rapid withdrawal of the working face,improve the effect of roof protection,reduce the labor intensity,shorten the final mining period and save the support cost,which can provide an effective reference for the efficient withdrawal of the full-mechanized caving working face under similar conditions.