en.Wedoany.com Reported - With the completion of dynamic and static load tests, the Jinghe Bridge, China's first half-through spatial Y-shaped steel box arch bridge, has been finished recently. Located in Xianyang City, Shaanxi Province, China, and constructed by China Railway 20th Bureau Group Corporation, the bridge has a total length of 284 meters and presents a Y-shaped structure in both plan and elevation. The Jinghe Bridge is a crucial node project for the external transportation of the Dongzhuang Water Conservancy Hub in Shaanxi and a key scenic bridge along the Guanzhong Canyon tourism belt.

The Jinghe Bridge spans the Jinghe Canyon, which is over 200 meters deep, with steep mountain slopes on both banks, where the maximum gradient approaches 70 degrees. During the construction process, high-altitude operations and component hoisting faced significant challenges. The project team innovatively integrated BIM technology, 3D laser scanning, and virtual assembly technology, overcoming key technical difficulties such as the precise closure of the three-dimensional curved arch ribs.

The completion of the Jinghe Bridge will improve regional transportation conditions. As an important support for the ecological protection and high-quality development of the Yellow River Basin, the technical applications during its construction process provide a reference for the construction of similar bridges. The bridge's unique Y-shaped steel box arch structure is the first of its kind in Chinese bridge engineering.

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