深中通道沉管隧道钢壳设计及制造关键技术  

Design and Manufacturing Techniques for Steel-Shell Structure of Shenzhen-Zhongshan Link′s Immersed Tunnel

作　　者：刘健 邓斌 黄清飞[2] LIU Jian;DENG Bin;HUANG Qingfei(Shenzhong Link Management Center,Zhongshan 528400,Guangdong,China;CCCC Highway Consultants Co.,Ltd.,Beijing 100088,China)

机构地区：[1]深中通道管理中心,广东中山528400 [2]中交公路规划设计院有限公司,北京100088

出　　处：《隧道建设（中英文）》2021年第8期1367-1374,共8页Tunnel Construction

基　　金：广东省重点领域研发计划项目(2019B111105002)。

摘　　要：深中通道沉管隧道具有高水压、大回淤、结构超大跨和建设要求高等特点,为保证沉管隧道结构在建设与运营期内的安全和耐久性,深中通道沉管隧道在世界上首次大规模采用钢壳混凝土组合结构。为推动钢壳混凝土组合结构沉管隧道在我国的发展,介绍深中通道钢壳混凝土沉管隧道结构选型、横断面设计、纵向管节划分、特殊结构构造和钢壳详细构造等技术,管节钢壳制造、拼装和运输的创新工艺,自密实混凝土浇筑技术和钢壳混凝土脱空检测方法,总结深中通道钢壳混凝土组合结构沉管隧道设计、智能制造以及施工关键技术。另外,结合深中通道沉管隧道钢壳混凝土组合结构的特点,对钢壳混凝土抗剪连接件设计、钢板件连接构造和混凝土脱空检测方法提出优化建议。The Shenzhen-Zhongshan immersed tunnel project(hereinafter Shenzhong Link)faces significant technical challenges,including high-water pressure,hazardous back-silt issues,long-span structural design,and high construction requirements.To ensure the project′s safety and durability during construction and operation periods,a novel steel-shell concrete combination structure is adopted.For the Shenzhong Link steel-shell concrete immersed tunnel,the techniques of structure selection,cross-sectional design,longitudinal segment division,special structure,and detailed steel-shell structure,as well as the manufacturing,assembling,and transportation techniques for steel-shell,self-compacting concrete-casting technique,and advanced void detection method for steel-shell concrete are introduced.The key techniques for designing,manufacturing,and constructing immersed tunnels are summarized.Additionally,some optimization suggestions are made for the design of the steel-shell concrete shear connector,steel plate connection structure,and concrete void detection method,based on the characteristics of Shenzhong Link.

关 键 词：深中通道 钢壳沉管 设计 制造 

分 类 号：U45[建筑科学—桥梁与隧道工程]