The right side of he Zhan bridge new bridge of he Zhan bridge reconstruction project of No.107 National Highway in Jiangxia District of Wuhan company of China Railway seventh group Co., Ltd. has been smoothly connected
(Wuhan News) at 12:12 on December 12, with a piece of 324 ton steel box girder precisely pushed in place, it marks the successful completion of the right side of the new he Zhan Qiao bridge of the 107 National Highway he Zhan bridge reconstruction project of Wuhan Jiangxia District undertaken by Wuhan company of China Railway seventh Bureau. National Highway
107 is the busiest National Highway in China. It runs through the north and south of China and is the main artery of traffic. He station bridge in Jiangxia District is an overpass crossing Beijing Guangzhou Railway on the existing national highway 107. It was built in 1993. In March last year, due to the aggravation of the bridge disease, all the glue joints fell off and all the joints of diaphragm plates were disconnected, which seriously affected the train operation and road traffic safety of Beijing Guangzhou railway under the bridge. The total length of the bridge is 46m. The upper structure of the bridge is made of (13 + 20 + 13) m continuous steel box girder, which is a joint. The whole bridge is divided into two parts. The project Department officially started construction in May 2019, completed the demolition of the old bridge in August, and completed the construction of the right substructure of the new bridge in mid October. In order to reduce the safety risk brought by the bridge construction to the existing railway, through the comprehensive comparison and selection of the project department, it is finally determined that the bridge superstructure adopts the continuous jacking steel box girder structure for construction. The project Department of
started to use the railway skylight point for jacking construction for three consecutive days on December 9, with a total of 320 minutes, and finally successfully completed the jacking of the right bridge. In the next step, the project department will speed up the progress of the substructure of the left bridge, complete the construction of the whole bridge beam as soon as possible, and ensure the early resumption of the operation of national highway 107.
by Guo Qiang Huang Wei