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针对西(安)合(肥)高速公路孤独庙隧道工程,在进口段岩层松散破碎和出口段基础悬空、严重偏压等不良地质情况和复杂环境条件下,采用大管棚、小导管注浆联合超前支护加固、反压侧墙平衡措施,以及通过开挖方法和支护类型的合理选用与实施确定开挖支护方案,确保了工程质量与安全,创造了较好经济和社会效益。
For the West (Ann) Hefei (Hefei) highway, the Lonely Temple Tunnel project, with loosely broken strata in the entry section and dominance in the export section such as dangling, serious bias and other adverse geological conditions and complicated environmental conditions, a large pipe shed and a small duct grouting Combined with advanced support and reinforcement, anti-pressure side wall balance measures, as well as through excavation methods and support types of rational selection and implementation to determine the excavation and support programs to ensure project quality and safety, and create a better economic and social benefits.