Construction dynamics: the Fushan super large bridge of Weiyang Yantai railway crosses the (56 + 56) MT structure of the blue Yantai Railway

Nearly 100 trains pass through every day, and 6-7 trains pass through within 1 hour in the most intensive period.

Source of daring to leap forward and pursuing excellence: Planning of four branches of Weiyang Yantai Railway: Party and Mass Work Department editor: Party and mass work department..

It is difficult to control safety and quality, and requires high technical parameters.

As a key project of the coastal channel in the national “eight vertical and eight horizontal” high-speed rail main channel, the completion of Weifang Yantai high-speed rail will speed up the construction of the ring-shaped high-speed rail network in Jiaodong Peninsula, and load the entire Jiaodong Peninsula Urban Agglomeration into the “high-speed rail track”, which is of great strategic significance for optimizing the Beijing Shanghai railway channel, unblocking the rapid access to Beijing and Tianjin from the two places, and promoting the high-quality economic and social development in the Bohai Rim region.

In order to reduce the interference of bridge construction on the existing railway line and ensure the safe and stable operation of the railway line, the project department adopts the construction method of “construction first and then transfer”, first construct the bridge along the parallel direction of the railway, and then horizontally transfer to the design line position to realize the bridge closure.

On August 30, the party building theme activity “welcome the 20th National Congress, forge ahead into a new journey, and make Weiyang Yantai high speed railway a pioneer” and the transformation ceremony of Fushan super large bridge (56 + 56) MT structure, which was undertaken by the Weiyang Yantai Railway Lot 6 project of China Railway Shanghai Engineering Bureau, was successfully held.

The swivel bridge weighs 7860 tons, the swivel length of the beam body is 113.50 meters, and the swivel height is 28.1 meters.

It is divided into 29 sections, of which 0 # section is constructed in the form of cantilever corbel, and the rest standard sections are symmetrically constructed by cantilever hanging basket method.

Yang Li, deputy director of Yantai Transportation Bureau, Yang Shusheng, deputy general manager of Shandong Weiyang High Speed Railway Co., Ltd., and sun shucan, deputy general manager of China Railway Shanghai Engineering Bureau, participated in the activity.

The swivel bridge turned 54.18 ° clockwise to realize precise docking above the blue Yantai Railway, successfully opened the “throat” of the beam erection route of Zhifu section of Weiyang Yantai high speed railway, and laid a solid foundation for the completion and opening of the whole line on schedule.

Fixing Socket Waved End

The Lanyan railway crossed by the swivel bridge is a railway integrating passenger transport and freight transport.

In order to ensure the safe and smooth rotation of the bridge, the project department carefully prepares the special construction scheme, and organizes the technical backbone to discuss and modify the construction scheme for many times to ensure that the scheme is scientific and feasible.