Abstract:In order to over come the problem of ground pressure management in the process of mining for deep orebody and realize the safe and efficient orebody mining.The optimization schemes of three different mining sequences are designed basing on synergetic mining conception.By using numerical simulation software Phase2,the model of orebody excavation is built.The stress and displacement time-varying effects of the different scheme is analyzed by numerical simulation.The results show that the stope ground pressure is effectively controlled as the increase in the number of route interval and the expansion of high intensity backfillSscope.Among them, the degree of mining sequence optimization of the first scheme is low and the second and third scheme is high.On this basis, this paper establishes a synergetic degree measure model for mining sequence optimization basing on the technical and economic indices.The synergy degree values of the three schemes are 0.063,0.178 and 0.196 separately.The optimal scheme is established and it is the scheme 3.