对地下矿山开采而言，保证巷道开挖与支护稳定是矿山安全生产的前提。
It means to the underground mine that the stability to the excavation and support of the roadway is the precondition for the safe production in mine.
并结合雪峰山隧道F8断层开挖与支护方法的选择，实践验证了模型可行性。
The model combines choices of methods of excavation and shoring in the F8 Fault of Xuefenshan tunnel, validates its feasibility by practice, and illuminates its academic and practical value.
针对深基坑土钉墙支护，采用三维非线性有限元分析方法，模拟研究了深基坑的开挖与支护过程。
In accordance with soil nailing for deep excavation support, the 3-dimensional nonlinear FEM analysis and calculation was used to simulate the process of construction.
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