金川矿区深部巷道支护效果评价及参数优化研究
李光,马凤山,刘港,郭捷,郭慧高,寇永渊

Study on Supporting Parametric Optimizing Design and Evaluate Supporting Effect of Deep Roadway in Jinchuan Mine
Guang LI,Fengshan MA,Gang LIU,Jie GUO,Huigao GUO,Yongyuan KOU
表1 试验段岩体物理力学参数
Table 1 Physical and mechanical parameters of roadway surrounding rock
岩体类型 密度/(g·cm-3 弹性模量/GPa 泊松比 内摩擦角/(°) 内聚力/MPa 抗拉强度/MPa
巷道围岩 2.9 6 0.23 40 0.6 0.4