The content of this paper is concentrated on:1. By means of numerical analysis, the construction process of three-pilot drift method and single-pilot drift method on geology condition of four-grade and five-grade rock mass was discussed.
主要研究内容如下：1．应用数值分析手段，探讨了Ⅳ、Ⅴ级围岩条件下三导洞法和中导洞法施工过程中，围岩应力场和位移场的分布特征及支护结构的内力演变规律。
参考来源 - 大跨度双连拱隧道施工方法对结构稳定性的影响分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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