广明高速公路祈福隧道主体结构工程设计

摘要

Located in Panyu of Guangzhou, Qifu Tunnel is 1988m long in total, and it is designed as two ways 2× 3 lane expressway with 100km/h＇s design speed. As such a long urban underpass tunnel, Qifu Tunnel is rare in China. The paper briefly introduces the experience and principles of Qifu Tunnel, especially discusses the design of structure, waterproof, struction of similar works. drainage , uplift and ventilation etc. , which can be a reference for design and con-%祈福隧道位于广州市番禺区，全长1988m，按设计行车速度100km／h，双向六车道设置，是目前国内比较少见的大规模明挖暗埋高速公路城市下穿隧道。介绍了祈福隧道主体结构工程设计的相关技术和处理原则，对隧道的结构设计、抗浮设计、防排水设计及通风设计等方面进行了探讨，为其他同类隧道工程的建设提供参考。