...收敛-约束原理； 差分法； 二次二阶矩法 [gap=1946]Keywords: tunnel reliability; surrounding rock; the convergence-confinement method; finite difference method; Second-Order Second-Moment method ..
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It is of practical significance for the application of the convergence-confinement method to the design of railway tunnel lining.
对特性曲线法在隧道衬砌设计中的应用有实际意义。
With considering the rheology of rock, 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。
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