Steel structure davit joint with arc dissipative element

Abstract

The invention belongs to the field of steel structure assembly buildings, in particular to a davit connection joint for quake-proof dissipative treatment in steel structure connection, the steel structure davit joint comprises a steel beam or a steel truss chord, a steel davit, stiffening ribs for the steel davit, stiffening ribs for the steel beam or the steel truss chord, a flitch for the steelbeam or the steel truss chord, an arc dissipative element, a friction-type high-strength bolt, and an end-supporting high-strength bolt, the steel beam or steel truss chord is connected to the steel davit by groove welding, and two sides of the steel davit are connected and fixed with the arc dissipative element by the friction-type high-strength bolt; the lower end of the steel beam or the steeltruss chord is connected and fixed with the arc dissipative element by the flitch for the steel beam or the steel truss chord and the end-supporting high-strength bolt, the steel structure davit jointcan strengthen the connection strength between the davit and the beam or the truss chord, effectively realize the design principle of strong joint and weak member and dissipate enough energy under the action of earthquake, after the action of earthquake, the dissipative element can be replaced after being damaged, and can be put into normal use after being connected by a bolt.

Description

technical field [0001] The invention belongs to the field of steel structure assembled buildings, in particular to a suspender connection node for anti-seismic energy consumption treatment in steel structure connection. Background technique [0002] At present, in order to give full play to the strength of steel structure materials in the field of steel structure prefabricated buildings, some projects often use suspender structures, and the connection between steel structure suspenders and girders or truss chords is directly welded at the end of the column, or the end of the column is enlarged. Groove welding, the joints treated in this way not only have a low safety factor, but also have insufficient ductility under earthquake action, and the joints are prone to brittle failure. Contents of the invention [0003] In order to overcome the above defects, the purpose of the present invention is to provide a steel structure suspender node with arc-shaped energy-dissipating el...

AI Technical Summary

Problems solved by technology

[0002] At present, in order to give full play to the strength of steel structure materials in the field of steel structure prefabricated buildings, some projects often use suspender structures, and the connection between steel structure suspenders and girders or truss chords is directly welded at the end of the column, or the end of the column is enlarged. Groove welding, the joints treated in this way not only have a low safety factor, but also have insufficient ductility under earthquake action, and the joints are prone to brittle failure

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