采场的顶柱作为永久矿柱损失，采场底柱、间柱等采场大量放矿完毕后，一次性进行回收。
The crown pillar of stope is permanent loss and not recoverable, while sill pillar and barrier pillar shall be recovered after the ore drawing work is completed.
本文运用不连续位移法及其计算机程序，对VCR法采场(矿房和矿柱)周围应力分布及其稳定性进行了分析研究。
In this paper, stress distribution around, and stability of VCR stopes (rooms and pillars) are discussed using displacement discontinuity method and its computer programme.
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.
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.
可见采场围岩结构的典型破坏模式以顶底板的弯曲折断破坏和矿柱沿弱面滑移破坏为主。
Can be seen surrounding rock structure of the typical pattern of damage to the roof and floor of bending damage and a broken pillar along the main damage to the weak side slip.
现场实践证明，采场顶板发生冒落、矿柱出现开裂或片帮等现象急剧减少，采场整体稳定性得到显著提高。
It is proved that the occurrence of roof caving and ore pillar fracturing is rapidly decreased, and the whole safety of mining stop is significantly improved.
采场整体稳定性差，极易发生矿柱连续破坏事故。
The stability of No. 6203 Stope is the worst, and the pillars are extremely vulnerable to failure contiguously.
采场整体稳定性差，极易发生矿柱连续破坏事故。
The stability of No. 6203 Stope is the worst, and the pillars are extremely vulnerable to failure contiguously.
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