国内首例！侨城东路北环立交装配式建造，将实现全互通智能化

Core Insights - The Shenzhen Qiaocheng East Road North Extension Project is a significant infrastructure initiative aimed at improving transportation efficiency in the region, with completion expected by the end of 2030 [1] - The project features the first domestic use of octagonal socket-type segmental assembly bridge piers and is recognized as Shenzhen's first fully intelligent prefabricated interchange bridge, achieving a 95% assembly rate [1] Group 1 - The project includes five tunnels and three bridges, significantly reducing travel time between Longhua and Futian, as well as Nanshan [1] - The North Ring Interchange, constructed by China Railway Seventh Group, is a key node in the project, with a total bridge length of 2887.1 meters [1] - The construction process utilizes modular and factory-based prefabrication, allowing for simultaneous construction of pile foundations and piers, thus accelerating the construction timeline [1] Group 2 - Precision installation of the piers is ensured through advanced technologies such as dual total station positioning, deviation reserve steel bar cold correction, and laser level assistance [2] - The project incorporates a hydraulic stainless steel template system during the segmental assembly of box girders to guarantee precise dimensions and concrete surface quality [2] - An information traceability management system has been established to ensure transparency and traceability throughout the entire process, from model and quality inspection reports to transportation and installation [2] Group 3 - The new construction model emphasizes "factory manufacturing, assembly construction, and intelligent management," achieving high-quality production and assembly of bridge components [2] - As construction progresses, technologies such as BIM and three-dimensional laser scanning for virtual pre-assembly, as well as unmanned lifting equipment and intelligent erection systems, will be gradually applied to enhance efficiency and intelligence in assembly construction [2]