关键词: 分层充填采矿法, 矿房参数, 施工顺序, 优化

Abstract: Applications of point-pillar upward cut and fill stoping method in Liguanji iron ore were expounded, adaptability of this scheme and problems could facing in the practice were discussed and analyzed combined with practical production, suggestion and imagination were proposed on aspects like safety and economic improvement and so on, provided thoughts for continue deep research and optimization of scheme.

Key words: Cut and fill stoping method, Room parameters, Construction sequence, Optimization