中国矿山工程

The mining depth of mines in China has gone deeper and deeper. The renovation and expansion of mines are faced with the problem of production continuity. As deep mining continues, the main structures on the surface are often located in the monitoring range of rock displacement. In this paper, the FLAC3D software is used for numerical simulation on the mining of the ore body, and the surface subsidence data and deformation data of main vertical shafts are obtained. The simulation results show that after the mined deep ore body is filled, there is little influence on the stability of surface and main vertical shafts. Deep mining can ensure the safety of mine production, which provides a solid scientific evidence for continuous mine engineering works.