With considering the rheologyofrock, the comprehensive method of theoretical analysis and numerical simulation is adopted to study convergence-confinement method, and the method of or.
收敛–约束法理论为应用于隧道工程支撑设计的简化分析方法，所采用之约束损失更是此分析模式的关键因子。
2
The structure ofrock is extremely complicated discontinuous and heterogeneous body, its mechanics property has non-linear, anisotropism and rheology characteristic, which changed over time.
岩石的结构是极其复杂的非连续和非均质体，其力学属性具有非线性、各向异性及随时间变化的流变特性。
3
Once deep-buried long tunnel is constructed in soft rock under high crustal stress, rheologyof soft rock is an outstanding engineering geology problem.