in the last few days
Nanjing Jianning West Road Crossing
Lifting of steel cover girders for the bridge over Linpu Railway completed
Refreshing the overall lifting length of the domestic upper span railroad,
Two records in weight
Nanjing Jianning West Road Crossing
Total length 6.8 kilometers
The total length of the railway-related works is 1.41 kilometers
Adoption of the "bridge + at-grade access road" form
The construction covers
Construction of cast-in-suspension girders across a major city street
Crossing over the throat section of the existing Linpu Railway
Prefabricated box girder construction
and the parallel Nanjing North Railway Station
Construction of cast-in-place box girders and other projects
In this lifting operation, the length of a single bay of the steel cover beam was the longest at 55 meters and the weight was the heaviest at 339 tons, which exceeded the highest record of the whole lifting of steel cover beams for the upper span railroad in China in terms of both length and weight.
It is understood that the construction area is located in the hundred years above the railroad Linpu Railway, the upper bridge across the Linpu Railway and the existing railroad to form the angle of only 15 °, which makes the lifting construction of the difficulty, high safety risks, craft requirements fine.
"The project took the initiative to dock with the railroad department, held a number of technical and safety analysis meetings, conducted a close investigation of the site's geological conditions, equipment conditions, transportation conditions, etc., and ultimately adopted a 1600-ton crawler crane for the overall lifting, which took a total of 24 hours to complete the lifting and significantly reduced the safety risks of construction involving railways." The project site manager said.
Meanwhile, 10 piers of the mainline bridge on West Jianning Road in Nanjing are located directly above the city's main water supply pipeline, which provides domestic water for nearly 600,000 residents in the surrounding area. In order not to affect the daily life of the residents, but also to ensure the smooth progress of the project, the project is actively promoting the relocation of the water pipeline. After a number of program discussions, communication and coordination with all parties, the pipeline relocation task was completed in late December 2024, which ensured the smooth progress of the project of Jianning West Road River Crossing. Nanjing Jianning Road West River Crossing is an important part of Nanjing's "high expressway system", which will effectively alleviate the traffic pressure across the river, and is of great significance in promoting the improvement of the city's expressway network system, accelerating the synergistic development of the region, and upgrading the environment of the area.
