Stability Influence of Coal Mining on Existing Tunnel and Safety Coal Pillars Setting

The mining of Xiaozhuangzi Coal Mine will go through Tongluoshan tunnel. To guarantee the safety of Tonglongshan tunnel, Xiaozhuangzi Coal Mine has decided to build special transportation roadway and coal pillars. Thus the research of the mining influence of the transportation roads on the tunnel and the range of coal pillars is the premise of the mining of Xiao Zhuangzi Coal Mine. This paper mainly focuses on the aboving questions. Through careful studying, this paper proposes an evaluation system of the mining influence of the transportation roads on the tunnel. Besides, the range of coal pillars can be determined.