The installation plan of steel box girders for Tiexin Bridge, the extension project of Ningdan highway, passed the experts' review recently, which provided technical support for the next stage construction.

Tiexin Bridge is a three-span continuous steel box girder arch bridge, designed with four breadthes. Due to the complicated geological conditions on the bridge site, an installation plan of setting up supports at side spans and integral lifting of long segment of steel box girders at the middle span is established.

The project of Tiexin Bridge steel box girders, fabricated and installed by Yangzhou company, has laid foudations for CRBBG to actively expand its market for erection and installation of steel bridges, to extend the industrial chain of the product, to perfect the industrial structure of the company and to realize the diversification of profit model.