Inside-outside lap joint structure of box-type steel beam

• Main Authors: SU DONGYING, CHEN WEIZHANG, XIAO ZHIZHONG, WANG JINWEI
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2020
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; FORMS; GENERAL BUILDING CONSTRUCTIONS; HANDLING BUILDING MATERIALS ON THE SITE; INSULATION OR OTHER PROTECTION OF BUILDINGS; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; ROOFS; SCAFFOLDING; SHUTTERING; WALLS, e.g. PARTITIONS

The utility model discloses an inside and outside lap joint structure of a box-type steel beam. The inside and outside lap joint structure comprises two sections of box-type steel beams to be spliced,a section of notch is formed in the splicing part of the top wing plates of the two sections of box-shaped steel beams; the inner sides of two webs of the two sections of box-shaped steel beams are connected through a pre-connecting plate and a group of high-strength bolts, and meanwhile, the webs and the pre-connecting plate are welded into a whole through web welding seams; bottom wing plate sealing strips are arranged at the bottoms of the bottom wing plates of the two sections of box-shaped steel beams; gaps between the bottom wing plates and the bottom wing plate sealing strips of the two sections of box-shaped steel beams are welded into a whole through bottom wing plate welding seams; cover plates are arranged at the top wing plate gaps of the two sections of box-shaped steel beams; top wing plate sealing