戈塘金矿房柱法开采围岩稳定性分析 |
陈洲,左宇军 |
Stability Analysis of Surrounding Rock of Chamber and Pillar Mining in Getang Gold Mine |
Zhou CHEN,Yujun ZUO |
图5 不同宽高比条件下矿柱的最高应力水平及最大位移曲线 |
Fig.5 Maximum stress levels and maximum displacement curves of pillars with different width-height ratios |