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
表2 各支护体物理力学参数
Table 2 Physical and mechanical parameters of each support
支护体弹性模量/GPa泊松比黏结力 /kN刚度 /(N·m-2抗拉强度密度/(kg·m-3
锚杆210.00.252001.5e8250 kN-
喷射混凝土25.00.20--2.2 MPa2 300
碹体32.60.20--2.5 MPa2 500