Comprehensive Transportation Center and Parking Building of Qingdao Jiaodong International Airport

Jiaodong International Airport(Comprehensive Transportation Center and Parking Building) project adopts open-cut construction method. The buried depth of the structure is about 2.5m, the wrapping surface of the wall is about 3.5m*0.85m. Each steel tube column is made of  25mm or 16mm thick steel plate coil. And it is 30 meters high and weighs about 20 tons. It is transported to the construction site in sections  of 17m+13m. The total amount of steel used in the project is about 1,500 tons.