Butt joint connecting structure for box-type steel columns with different wall thicknesses and construction method thereof

• Main Authors: WANG LEI, HENG CHENGYU, LI SHANWEN, WU YI, WANG DEMING, CHANG YONGKE
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2021
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

The invention discloses a butt joint connecting structure for box-type steel columns with different wall thicknesses and a construction method thereof. The upper end of an original thin-wall steel column extends to the position above a floor slab, and the upper end of the original thin-wall steel column is connected with a new thick-wall steel column. The butt joint connecting structure comprises a reinforcing plate, a plurality of embedded parts and a plurality of supporting plates, wherein the reinforcing plate is provided with a sleeve hole, and the sleeve hole is formed in the upper end of the original thin-wall steel column in a sleeving mode and attached to the floor slab; the lower ends of the embedded parts are embedded in the floor slab, the plurality of embedded parts are arranged in the circumferential direction of the upper end of the original thin-wall steel column, and the upper ends of the plurality of embedded parts are connected to the reinforcing plate; and the supporting plates are connecte