Jiangxi Minsheng NewsThe Y-shaped continuous rigid-arch combination system, combined with the detailed structure composed of the arch ring and the back cable, forms the design image of "the iron flow is retrograde, the sun rises in the east", and interprets the connotation of the era of "New Long March, Restart". On February 1, with the 3,100-ton steel box girder pushing down beam in place, the Yudu Shengli Bridge built by China Construction Fifth Bureau was officially closed.
Yudu Shengli Bridge is an important bridge in the core exhibition area of the Long March National Cultural Park (Yudu Section), and the first extra-large bridge in Yudu County built on the original site of the "First Bridge of the Long March Ferry", which is used to connect the key projects of the Long March National Cultural Park such as "one museum, one courtyard and one drama" on both sides of the Yudu River. The steel box girder jacking of Yudu Shengli Bridge adopts the walking jacking construction scheme, the steel box girder weighs 3100 tons, the jacking distance is 280 meters, and the vertical distance of the falling beam is 489 meters. Helong marks the completion of the main structure of the Shengli Bridge, laying a solid foundation for the early opening of the bridge. "The project team set up a vanguard team of party members and a youth commando team to stick to the front line of construction during the Spring Festival and ensure that the bridge was opened to traffic on May 20 this year. The relevant person in charge of China Construction Fifth Bureau introduced.
It is understood that the Yudu Shengli Bridge adopts the world's first section steel open rib - UHPC light composite bridge deck, which effectively eliminates the fatigue cracking of the steel bridge deck and the frequent damage of asphalt pavement. The project has been awarded the National Construction Safety Production Standard Chemical Site, Jiangxi Smart Construction Site Demonstration Project, etc. The project team has published 10 articles, and has won the first prize of BIM Gold Label Cup Achievement, the Silver Award of BIM Youlu Cup, 1 award-winning achievement of Zhongshi Enterprise Micro Innovation Competition, and 15 national and provincial QC achievements.