Lanzhou Donggang Interchange Project
General Contractor: China Railway 21st Bureau Group Fifth Engineering Construction Co., Ltd.
Design Unit: Shanghai Urban Construction Design & Research Institute (Group) Co., Ltd.
Project Overview: This project involves the demolition and reconstruction of the Donggang Overpass in Lanzhou City. The main bridge is a continuous steel box girder bridge with spans of 23 meters + 42 meters + 35 meters + 30 meters. The standard bridge deck width is 25.5 meters, the girder height is 1.8 meters, and the total weight is 1,050 tons. The construction method employed is the integral jacking and sliding technique, with an overall jacking length of 51 meters.
Construction period: June 2018 – September 2018
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Company Address: China, Shandong, Liaocheng, High-tech Zone, Huanghe Road Science and Technology Building
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