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3 数值分析模型岩石力学参数
Table 3 Rock mechanics parameters of numerical analysis model
岩性容重/(kN·m-3泊松比弹性模量/MPa抗拉强度/MPa摩擦角/(°)内聚力/MPa
炭质泥岩26.50.24010 3501.9136.723.95
硅化灰岩角砾岩27.40.26045 0009.0033.2510.00
灰岩26.10.27572 50012.2542.5029.40