基于正交试验的过断层软破段巷道支护参数优化 |
胡建华,庞乐,王学梁,郑明华 |
Optimization of Roadway Support Parameters in Soft Broken Sections Based on Orthogonal Test |
Jianhua HU,Le PANG,Xueliang WANG,Minghua ZHENG |
图3 开挖未支护巷道位移及应力分布 |
Fig.3 Displacement and stress distribution of excavated unsupported roadway |