Research on Rapid Excavation Technology for Semi Coal and Rock Roadway
Based on the actual situation of a coal mine in Shanxi Province,a reasonable selection of excavation technology and equipment,optimization of operation process,and optimization of roadway support method were carried out.While ensuring the stability of the roadway,the rapid excavation operation of the semi coal and rock roadway in the working face was achieved.The practical application showed that the improvement of excavation speed was significant.
semi coal and rock roadwayrapid excavationtunnel support
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