Tianjin 1 17 Building broke through the 500m mark, becoming the 8th skyscraper in the world and the 5th skyscraper in China with a height exceeding 500m.
In design, in order to meet the structural stress safety requirements, the 120m long pile foundation of this building is the longest pile foundation in the field of housing construction in China. In order to improve the bearing capacity of the whole structure, the building adopts buckling-restrained braces with a single weight of 2 10 tons, which is the highest buckling-restrained steel in the super-high-rise field in China. Covering an area of 847,000 square meters, the building is the largest skyscraper in the world. In order to improve the construction capacity of super-large volume concrete, 1 17 construction project completed 65,000 cubic meters of mass floor concrete at one time, creating the largest mass floor concrete for civil super-high-rise buildings in the world. In addition, the total height of the access tower in 1 17 building is 500.6 1 m, which is the highest access tower in the world. The working height of a single well is 597.45 meters, creating the highest working height of a single well in the world.