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5 U型钢拱架参数
Parameters of U-shaped steel supports
弹性模量/GPa 泊松比 横截面积/mm2 极惯性矩/m4 Y惯性矩/m4 Z惯性矩/m4
200 0.3 4.57×103 21.74×10-6 9.29×10-6 12.45×10-6