Mining Technology of Gob Side Entry Retaining by Blasting Roof-cutting Pressure Relief in Coal Mines
In order to explore the effectiveness of the blasting roof-cutting pressure relief technology in improving the efficiency and safety of coal mining,the practical application of the technology was studied.Based on roadway side support design,blasting construction and shotcrete protection strategy,the mining effect of gob side entry retaining was comprehensively evaluated,and the key parameters of blasting roof-cutting pressure relief technology in practical application were discussed in detail,as well as its influence on mining efficiency and mine safety.The research results show that the technology can effectively improve the coal recovery rate,reduce the accident rate,and significantly improve the stability of the roadway.
coal mine engineeringblasting roof-cutting pressure reliefgob side entry retainingconstruction support
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