金川矿区深部巷道支护效果评价及参数优化研究
李光1,2,3,马凤山1,2,刘港1,2,3,郭捷1,2,郭慧高4,寇永渊4
Study on Supporting Parametric Optimizing Design and Evaluate Supporting Effect of Deep Roadway in Jinchuan Mine
Guang LI1,2,3,Fengshan MA1,2,Gang LIU1,2,3,Jie GUO1,2,Huigao GUO4,Yongyuan KOU4

图5. 混凝土喷层强度测试曲线

Fig.5. Test curves of strength of shotcrete lining