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1 岩梁支承条件
H-岩梁厚度;L-矿房跨度;q-岩梁自重及外部均布荷载。
Fig.1 Supporting condition of rock beam