Dashengguan Yangtze River Bridge, Steel railway bridge in Nanjing, China.
The Dashengguan Yangtze River Bridge is a railway bridge spanning the Yangtze near Nanjing with six parallel tracks stretching about 15 kilometers overall. The two main arches each measure 336 meters and carry trains across the water through a large steel structure.
Construction of this bridge started in 2006 and finished in 2010, marking an important milestone in China's railway network. The structure earned international recognition in 2012 for its engineering achievement.
The bridge's name, Dashengguan, means "pass of the great victory". Its six tracks opened in stages: the Shanghai–Wuhan–Chengdu line on 11 January 2011, the Beijing–Shanghai high-speed line on 30 June 2011, and Nanjing Metro line S3 on 6 December 2017. In June 2012 the Beijing–Shanghai high-speed railway bridge received the George Richardson Award.
The bridge carries six tracks: two for the Beijing–Shanghai high-speed line, where trains are designed for 300 km/h, two for the Shanghai–Wuhan–Chengdu line at 200 km/h, and two for Nanjing Metro line S3 at 80 km/h. It stands about 1.55 km upstream of the Dashengguan road bridge and roughly 20 km from the Nanjing Yangtze River Bridge.
The construction used about 80,000 tons of steel and employed a specialized WNQ570 steel alloy developed specifically for this project. This high-performance material was created through collaboration between major Chinese steel manufacturers.
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