The new concepts, such as the active supporting coefficient, the coefficient of strength utilization, the coefficient of pretensioned bolt length, the effective compressive zone, the coefficient of pretensioned stress diffusion, the framework and mesh str
The new concepts, such as the active supporting coefficient, the coefficient of strength utilization, the coefficient of pretensioned bolt length, the effective compressive zone, the coefficient of pretensioned stress diffusion, the framework and mesh str
提出锚杆主动支护系数、强度利用系数、预应力长度系数、有效压应力区、预应力扩散系数、有效压应力区骨架网状结构及临界支护刚度等概念。