Key Parameters of Surrounding Rock Roof Cutting and Pressure Relief Control in Soft Rock Roof Roadway of Deep Mine Stope and Its Engineering Application
Abstract:In this study, the movement and failure law of working face overburden and the distribution characteristics of mining stress are analyzed using laboratory test and numerical calculation methods to address the problems of large deformation, failure instability, and difficult maintenance of the soft rock roof roadways of deep stope influenced by strong disturbance, the roof gas comprehensive treatment roadway of 17191 (1) working face of Pansan mine of China Huainan Mining Group was considered as the engineering… Show more