Abstract: In order to take full advantage of the mineral resources and improve resource utilization, it is an important to be considered for a large copper mine to effectively recover temporary panel isolation pillar. Stope structure parameters of panel isolated pillar have been determined to be reasonably determined to safely and efficiently recover panel isolated pillar, at the same time stope and pillar stope’s safe and efficient have been sure in the first mining area. On the basis of comprehensively analyzing geological overview, mining pressure and mining situation of the mine, three stope structure preliminary plans were proposed by using numerical simulation method optimized stope parameters of panel isolated pillar. The stope could be in the most favorable mechanical state after obtained the structural parameters and mechanical response characteristics of the stope with the changing structural parameters. The results could provide technical support for safely and efficiently mining panel isolated pillar.

Key words: panel isolated pillar, stope structural parameters, numerical optimization, mining sequence, mechanical response characteristics