The world's widest full swing bridge across high-speed rail

The world's widest transition bridge across the high-speed railway, which was designed and constructed by creec and contracted by China Railway 25th Bureau, was successfully turned 22 days ago, marking a breakthrough in the railway related project of Yingbin Avenue, an important interconnection project of Zhengzhou airport. Zhang Yanjun, chief engineer of

No.4 iron institute project, introduced that the whole bridge with two-way 8 lanes and 45.83m span the high-speed rail swivel, which is the first time in the world and has great construction difficulty. For the first time, the bridge uses the swivel traction four linkage system, and four jacks work simultaneously on a plane to ensure the stability and balance during the swivel. Qing Dewen, the project director of the railway 25th Bureau of

, introduced that in order to ensure the safety of turning, Zhengzhou Wanzhou railway has given four hours of "skylight period", and 800 meters around the turning bridge has been fully enclosed and fenced, and safety officers have been arranged to guide the vehicle personnel in time, and intercom equipment has been equipped to ensure the turning construction in all aspects.