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介绍了西山隧道的地质概况和围岩特征,并重点阐述了隧道塌方的情况、原因分析、处理措施及特殊情况下钢轨棚架辅以小导管处理塌方的效果。
The geological overview and the characteristics of surrounding rock of Xishan tunnel are introduced. The situation of tunnel collapse, the reason analysis, the treatment measures and the special case of the tunnel scaffolding combined with the small conduit to deal with landslides are introduced.