Hollow Ju Deposit Mining Research, Optimization Of Structural Parameters And Goaf Treatment

Mining design optimization is that hrough quantitative calculating,analyzing,comparing the rational mining method and the parameters of stope structure, etc., is confimed according to the concrete geological conditions,the deposit's state,economic and technical index of each mine.In this way,the scientificdecision and design optimizing of mining can be realized. The purpose is that on the premise of guaranteeing safe production of mine , prop load and the costs of mining are reduced to the maximum extent, the mining intensity and the rate of ore are improved to the maximum extent, thus the economic benefits , social benefits and environmental benefits of enterprises are improved by a large margin .The appearance of the large- scale computers and rise of various kinds of number value analytical methods , nonlinear science and uncertain research approach offer effective tools to quantitatively calculate and analyze for design and optimizingof mining . In this thesis, finite element method is adopted to imitatively according to the different thickness of ore body .pillar's width ,etc.terms of Wa Diju deposit of Dayao copper mine , from which we conclude the rational range of the parameters of stope structure .Thus e the optimization of theparameters of stope structure be realized.which can offer reliable basis of guiding mine production.In addition, combining the production reality of the copper mine of Dayao , didposal methods of mine-out areas is studied in detail on the basis of " virtual empy district ". Separating and closing method is put forword.The production pratice has proved that it is pratical and effective measure. The method has general application prospects.