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城镇新区建设时,在规划湖泊区域的同时建设3条城市交通隧道比较少见,隧道群的总体设计、工程布置、机电管理设施等问题需统筹考虑。通过穿越龙湖水域3条隧道——北三环隧道、龙源十三街隧道和龙翼四街水下隧道的设计,重点介绍了作为城市交通隧道群的工程总体布置、基坑开挖与防护、主要结构、防排水以及机电管理设施等设计要点,可为同类工程参考。
When building a new urban area, it is rare to construct three urban traffic tunnels while planning the lake area. The overall design, project layout, mechanical and electrical management facilities of the tunnel group should be considered in an overall manner. Through the design of three tunnels crossing the Longhu waters-North Third Ring Tunnel, Longyuan Thirteenth Street Tunnel and Longyi Fourth-Street Underwater Tunnel, the overall layout of urban traffic tunnels, excavation and protection of foundation pit , The main structure, drainage and mechanical and electrical management facilities and other design points for similar projects for reference.