矿柱作为一种建筑工具广泛使用，主要靠围岩本身的稳固性和矿柱的支撑能力维护回采过程中形成的采空区，有的方法用其他支架或采下矿石作辅助或临时支护。
ore pillar ; jamb ; ore column ; mine prop ; pillar ; mine pillar ; ore column
To block stoping ,mining system design mainly includes design of block parameter , design of pillar’s dimension , design of ore drawing sequence .
对于阶段空场法，采矿系统设计主要包括采场结构参数、矿柱大小、回采顺序等。
参考来源 - 阶段空场法采矿系统设计优化的数值分析方法及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
矿柱的稳定性是影响矿山生产安全的重要因素。
The stability of pillars is a very important factor to mining safety.
采空区上部预留矿柱的回采工作影响到整个矿山的安全生产、采矿方法及其实施。
Mining the ore in pillars above the mine-out area comes down to the security of production, mining methods and putting in practice.
先房后柱的上向分层胶结充填法在我国应用较为广泛，但矿柱后期回采条件较差。
The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.
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