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Repairing and reinforcement of Wuzhong Yellow River Bridge on Beijing-Tibet Expressway

Wuzhong Yellow River Bridge is a large bridge located in the section between Yesheng and Zhongning on the G6 Jingzang Expressway in Ningxia Hui Autonomous Region. The bridge has a total length of 1255.4m and the bridge span arrangement is: 14×30m (Ye Sheng) + (54+4×90+54) +12×30m (Zhongning), the main bridge is a pre-stressed concrete variable section continuous box girder, and the approach bridge is a post-tensioned pre-stressed supported and continuous box girder.