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The project is located in the Siming District of Xiamen City and is a Class I super high-rise office building.The steel structure is mainly divided into round tube columns and H-type steel beams, box beams and roof H-type trusses, with 40 floors above ground, the main building is in the shape of 8 sides, the widest north-south face is 14.4 meters, and the main storey height is 4.2 meters, the maximum cross-section of the round tube columns is Φ1400*38, and the maximum cross-section of the steel beams is H1100*400*20*32.