January 7, 2020
Beijing Daxing International Airport
More than 40 international and domestic first, 103 technology patents, 65 new construction methods, localization rate reached 98%, project acceptance rate reached 100%, 13 key construction indicators all reached world-class level ... September 25 Daxing International Airport, the world's largest single airport terminal, and the first of the "Seven Wonders of the New World" by foreign media, was officially put into operation.
According to Li Jianhua, deputy general manager of Beijing Urban Construction Group Engineering General Contracting and project manager of Daxing International Airport Terminal, all the steel used in the construction of the new airport has been domestically produced. The total amount of steel used in the new airport terminal complex is 450,000 tons. The main body is a cast-in-situ reinforced concrete frame structure. The roof and its support are made of steel. , Q460GJC and other steel varieties.
According to incomplete statistics, on the steel used in the construction of the new airport terminal complex and its supporting facilities, Hegang has supplied 20 high-strength building rebars, axial steels, pipeline steels, etc., of which more than 50,000 tons of high-rise buildings The steel is used as the C-pillar of the support center of the new airport terminal, as well as the construction of the roof and support structure; Anshan Steel supplies about 5 axial steel, rebar, galvanized sheet, seamless steel pipe, etc., of which 1,800 Tons of high-quality color-coated board is used as the building of the new airport terminal building; Baotou Steel has supplied more than 20 inches of seamless steel pipe for the grid structure of more than 20 models of Φ168 mm to 457 mm in diameter, accounting for the entire project. The product uses more than 80% of the volume; Hualing Xiangsteel has supplied more than 50,000 tons of steel plates of various specifications; Benxi Iron and Steel Beiying Cast Pipe Company has supplied 138 DN2400 extra large-caliber ductile iron top pipes with a project length of 828 meters. ...