Prefabrication and assembly techniques could realize safe, environmentally-friendly, fast and qualified construction of urban utility tunnel. This paper introduced the connection of whole prefabricated closed frame comprehensive pipe gallery, waterproof node design, as well as production, prefabrication and assembly techniques. Application result showed that comprehensive urban utility tunnel construction will transfer from traditional construction to industrial construction.%在城市综合管廊建设中,采用预制拼装技术有安全,环保,速度快,质量稳定等优势.介绍整体预制闭合框架综合管廊的连接,防水节点设计,生产和预制拼装技术,应用实践证明,综合管廊建设将从传统建造向工业化发展.
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