开挖卸荷扰动下的深部巷道支护及其效果评价
陈立强,赵国彦,李洋,毛文杰,党成凯,方博扬

Deep Roadway Support and Its Effect Evaluation Under Excavation Unloading Disturbance
Liqiang CHEN,Guoyan ZHAO,Yang LI,Wenjie MAO,Chengkai DANG,Boyang FANG
表1 某金矿岩体物理力学参数
Table 1 Physical and mechanical parameters of rock mass in a gold mine
岩石名称容重/(g·cm-3单轴抗拉强度/MPa单轴抗压强度/MPa弹性模量/GPa内摩擦角/(°)内聚力/MPa泊松比
花岗岩2.598.5676.8521.1848.3535.780.23
石英脉2.613.3525.7622.5444.623.390.25
黑云斜长片麻岩2.744.8884.2529.6445.3231.260.26