Fengjian high-speed Tangjiawan bridge under construction. Photo courtesy of the interviewee.
Hualong Network News (Reporter Liu Yan) Today (20th), the left main span of the Tangjiawan Bridge of Fengjian Expressway was closed, marking the realization of the main span double-line closure of the bridge, and the whole line is expected to be completed in 2026.
Fengjian Expressway is an important part of the G6911 Ankang to Laifeng National Expressway, that is, the Fengjie to Wushan (Chongqing-Hubei boundary) section of the Ankang to Laifeng Expressway. The total length of the project is about 4848 kilometers, using two-way 4-lane highway standard construction, design speed 80 kilometers per hour.
Fengjian high-speed Tangjiawan Bridge. Photo courtesy of the interviewee.
Among them, the Tangjiawan Bridge has a total length of 1,370 meters, located near the Meixi River, a tributary of the Yangtze River, and is a control project for the Fengjie East Hub of Fengjian Expressway.
According to the relevant person in charge of Chongqing Communications Construction Group, the general contractor of the project, the bridge has the characteristics of large span, complex force, difficult linear control, high requirements for surrounding ecological protection, and great difficulty in construction.
Fengjian Expressway under construction. Photo courtesy of the interviewee.
In this regard, Fengjian Expressway comprehensively promotes intelligent construction, and realizes the centralized storage, management and development and utilization of bridge construction and surrounding environment data, geographic information data, engineering data, etc. through the popularization of BIM application platform, and realizes the integration of physical assets and digital models, providing a basic digital foundation for later intelligent operation and maintenance.
In addition, through the Ping An Fengjian management platform, the whole process of informatization such as safety management inspection, special equipment management, and special construction plan management has been realized.
The smooth progress of the construction of the Tangjiawan Bridge is very important to the traffic conversion in the process of the construction of the Fengjie East Hub. At present, the construction of the Fengjian Expressway is progressing in an orderly manner, and it is expected to be fully completed by the end of 2026.