三山岛金矿“三下”开采工艺优化与灾害防治
王善飞,王康,马凤山,卢蓉

Optimization of Three-underground Mining Technology and Disaster Prevention in Sanshandao Gold Mine
Shanfei WANG,Kang WANG,Fengshan MA,Rong LU
表1 模型基础岩石力学参数
Table 1 Foundation rock mechanics parameters of the model
岩体类型密度/(kg·m-3弹性模量/GPa黏聚力/ MPa摩擦角/(°)泊松比膨胀角/(°)抗拉强度/MPa抗压强度/MPa
上盘2 7064.035.7230.600.2053.1848.00
矿体2 7104.516.4332.600.1953.7260.00
下盘2 6355.1310.7036.940.2454.3158.00
充填体2 1000.230.17138.700.19100.172.11