Core Points - The completion of the last arch rib installation for the Ankang Hanjiang Bridge marks significant progress in the construction of the Xiangyu High-speed Railway's Ankang-Chongqing section [1] - The Ankang Hanjiang Bridge, measuring 367.9 meters in total length with a main arch span of 290 meters, will be the largest single-span middle-support steel-concrete arch bridge in China's high-speed railway network upon completion [1] - The construction faced challenges, particularly in controlling the arch rib's line shape, which was addressed through a digital engineering management platform that integrated various monitoring systems to ensure precision [1] Industry Overview - The Xiangyu High-speed Railway spans 739 kilometers with a designed speed of 350 kilometers per hour, forming an essential part of China's "eight vertical and eight horizontal" high-speed rail network [1] - Once operational, the railway will connect with existing lines such as the Chengdu-Chongqing and Zhengzhou-Chongqing high-speed railways, enhancing the transportation network in the central and western regions of China [1]