1) section-wise open stoping method
阶段空场出矿
1.
According to result of analysis & research,the decision is made to adopt section-wise drilling and section-wise open stoping method to the middle-thick ore body below 18m level.
经过分析和研究,对10 m以下中厚矿体采用分段凿岩、阶段空场出矿法开采,可以提高矿石回采率和减少矿石损失、贫化。
2) Bench open stoping
阶段空场
1.
Test results show that the model is stable,the movement of stop roof and ground surface is less,the change of strain in the pillar is stable,Bench open stoping and subsequent filling mining is feasible.
试验结果表明模型总体呈稳定状态,采场顶板和地表沉降量较小,矿柱应变变化平稳,阶段空场嗣后充填法开采是可行的。
4) low approach phase
低空进场阶段
5) sublevel drill and benching ore removal
分段凿岩阶段出矿
6) sublevel open stoping
分段空场采矿法
1.
Application of medium-length hole sublevel open stoping to the mining of thick part of high grade complex orebody;
中深孔分段空场采矿法在高品位复杂难采厚矿段的应用
补充资料：空场
1.空旷的场地。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条