有色设备

To address the issue of surface subsidence caused by mining activities at a gold mine,a combination of theory and numerical simulation is employed to analyze the surface subsidence law in three dimensions of vertical displacement, horizontal displacement, inclination and curvature,based on the FLAC^3D software. The results show that at the end of the mine production, the maximum vertical subsidence is 166.5mm, the maximum horizontalsubsidence is 175mm, the maximum surface inclination is 0.6mm/m, the maximum curvature is 0.0052mm/m², and the maximum horizontal deformation is 0.404mm/m. The maximum subsidence and deformation are both within the safety factor, which can ensure safe operation and stability of the mining area.