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

表4 不同宽高比条件下采空区边界最大主应力

Table 4 Main stress near goaf boundary under different width-height ratio

宽高比 最大主应力/MPa 采空区底板 岩帮 采空区顶板 矿柱 0.300 12.78 19.02 10.73 28.07 0.375 8.04 13.03 7.20 18.62 0.500 7.03 13.06 6.04 18.54