Sustainable Mining and Metallurgy

The differences between domestic and foreign tailings standards were compared from the aspects of tailings life definition, tailings classification definition, tailings flood control and drainage, anti-seismic calculation. Among them, foreign standards took Australia standards as an example. In terms of tailing pond life, the domestic standards required that the tailing pond should be closed and require reclamation in time after reaching the service life, the Australian standard was more inclined to the long-term existence of tailings and maintain long-term safety and stability. In terms of tailings pond classification, the domestic standards considered storage capacity, dam height and the influence of tailings pond accident, the Australian standard took into account the extent of the impact of the tailings dam accident. In terms of flood control and discharge, the domestic standards required the flood to discharge out of the reservoir in time, the Australian standard required reducing flood discharge through water balance management as far as possible, and gradually consuming flood through measures such as return water and evaporation. The anti-seismic calculation requirements of China and Australia were basically the same, and the seismic design and verification of important hydraulic structures should be adopted.