Aiming at the different ore bodies of Yangjiagou bauxite ore,combined with the technical and economic indexes,the optimization study of Yangjiagou bauxite ore mining methods was carried out.The results show that from the point of view of economically reasonable stripping ratio,Yangjiagou 1 and 3 systems have the conditions of open pit mining,and open pit mining has the characteristics of good safety and high recovery rate,which is suitable for open pit mining;from the point of view of technical and economic indexes,the second system is determined as the filling mining method,which has better economic benefits and risk-resistant ability,and provides technical support for the mine's safety,high efficiency,and sustainable development.
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