China News Service, Chongqing, February 4th (Zhang Xu) A reporter learned from China Railway Construction Chongqing Investment Group Co., Ltd. on the 4th that the T-beams of the Xiaoanxi Super Bridge of the Yusui Double-track Expressway (Beibei to Tongliang Section) invested by the company It has been successfully completed recently, laying the foundation for the project to be fully opened to traffic in 2024.
The picture shows the Xiaoanxi Bridge on the Chongqing-Sui double-track expressway. Photo by Zhang Xu
It is reported that the Xiaoanxi Super Bridge is located in Tongliang District, Chongqing. It is a control project of the Chongqing-Sui double-track expressway. It adopts a left-right split design. The whole bridge has a total of 86 spans. The maximum pier height reaches 92.1 meters. The overall pier height and number of piers of the bridge are high. Many, construction is difficult.
Faced with the challenges of "super-high pier group" operations, the builders innovated process construction methods and developed key technologies for the simultaneous construction of double-column thin-walled hollow high pier climbing formwork and central tie beams, which effectively improved construction efficiency and maximized savings. Machinery usage costs.
Since the precast erection of T-beams, the project has rationally allocated resources, strengthened process control, continuously optimized construction organization, conducted detailed technical explanations on steel bar production and binding, formwork assembly, concrete pouring and other processes, and strictly controlled safety and quality, material entry, and Process connection and civilized construction.
It is reported that the Yu-Sui double-track expressway (Beibei to Tongliang section) is one of the capacity expansion projects of the Chongqing-Sui Expressway in Chongqing's "Fourth Ring, Twenty-Two and Sixty Links" expressway network planning, with a total length of approximately 27 kilometers.
The picture shows technicians preparing for subsequent construction. Photo by Zhang Xu
After the project is completed, it will form a new channel for the western Chongqing area to enter the central urban area of Chongqing, which will be conducive to promoting infrastructure interconnection and rapid economic development of the Chengdu-Chongqing twin-city economic circle. (over)