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
0.30012.7819.0210.7328.07
0.3758.0413.037.2018.62
0.5007.0313.066.0418.54