Research on the Instability Mechanism and Filling Surrounding Rock Control Technology of Fully Mechanized Top-Coal Caving Face Passing Through Abandoned Roadways
When a fully mechanized top-coal caving face passes through abandoned roadways, accidents such as shield support failure and roof collapse are likely to occur. To address this issue, this study focuses on the 3107 fully mechanized top-coal caving face at Huanglian Coal Mine of the Huangcheng Xiangfu Group in Yangchen...