RESARCH ON THE STOPING SEQUENCE OF BOTH SIDES OF ARTESIAN AREA IN XIAOGUANZHUANG IRON ORE MINE

Through analysihg ground pressure, ore preparation process, possible tirne for finishing thepreparation of every block, stoping progress conditions and level to meet the volume of production, three stoping schemes are provided for eastern area of Xiaoguanzhuang Iron Ore Mine. The schemes are compared bycalculation by three-dimensional nonlinear finite element method. Finally, an optimal scheme is provided. Ithas been put into engineering practice. The results from the research can be used for similar mining for reference.