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公路隧道建设迅速发展,隧道地质情况复杂多变,在穿越碎石层、湿陷性黄土段、岩溶段等特殊地质段施工时,要做好技术保障及应急处理,采取有效施工方案,确保安全穿越。
The construction of highway tunnels is developing rapidly. The geological conditions of tunnels are complicated and changeable. When crossing the gravel layer, collapsible loess section and karst section, the technical construction and emergency treatment should be well done and effective construction schemes should be taken to ensure safety Through.