这一技术叫矿柱回采。
对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
矿柱回采的实践证明了相似材料模型试验结果是正确的。
The pillar extraction practice has proved the correctness of the test results of similarity model.
根据数值计算的结果，并结合矿山现场的实际情况，确定矿柱回采试验的最终方案。
According to the numerical results and the states of the mining filed, the final mining method of ore-pillar recovery is determined.
通过对充填体受力分析，指出减小爆破对充填体的破坏作用是矿柱回采的技术关键之一。
Based on the stress analysis of filling body, it was pointed out that reducing the destructive function of blasting on the filling body is one of the technical keys in ore pillar extraction.
准确掌握矿柱实际边界是矿柱回采爆破设计的基础，也是提高矿山经济效益的有效途径之一。
The accurate awareness of actual pillar boundary is the basis for the blast design for pillar extraction and is also one of the effective ways to improve the mine economic benefit.
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.
用尾砂分层充填法回采矿柱，取得了很好的经济效果。
Excellent results were obtained in mining of pillars using tailings in horizontal cut-and-fill.
一次钻孔分段爆破的新工艺已成功地应用到天井掘进和矿房、矿柱的回采方面。
A new technique of the long-hole blasting has been used in raising and prospecting of the rooms and the pillars.
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.
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。
To block stoping, mining system design mainly includes design of block parameter, design of pillar's dimension, design of ore drawing sequence.
空场回采工作面利用采场上方的岩层支撑自身的重量，所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。
In open stopes the ground above the stope will support its own weight. So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore.
本文提出了一种矿房矿柱阶段性连续回采，深孔放顶处理空区的采矿方法。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
在空区未充填的情况下回采矿柱，矿柱与采空区顶板的稳定性是一个关键问题。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined-out area.
在空区末充填的情况下回采矿柱，矿柱与采空区顶板的稳定性是一个关键问题。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined - out area.
建议在回采矿柱时，在临近充填体边上采用预裂缝降振技术，以及加强爆破管理，可以实现矿山的安全生产。
The production blasts at filling mining condition should produce adverse effects as blasting vibration to the filling body, tunnel and roof.
建议在回采矿柱时，在临近充填体边上采用预裂缝降振技术，以及加强爆破管理，可以实现矿山的安全生产。
The production blasts at filling mining condition should produce adverse effects as blasting vibration to the filling body, tunnel and roof.
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