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Steel structure anti-collapse joint

A technology of anti-collapse and steel structure, applied in the direction of building structure, construction, etc., can solve the problems of low ductility, structural collapse, high rigidity, etc., and achieve the effect of improving service life and avoiding fracture

Active Publication Date: 2018-08-24
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the traditional steel structure nodes are welded or bolted to the main structure to form steel structure nodes. However, in the process of use, the joints are often broken and damaged, so the nodes need to be modified. The traditional transformation method is Welding or bolting steel plates or stiffeners at the joints, the disadvantages of the traditional transformation method are that the rigidity is too large, the ductility is low, and fracture will occur when the stress deformation is not fully developed, and the energy dissipation capacity of the material cannot be fully utilized. , so the steel structure nodes are prone to damage, resulting in the collapse of the structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] refer to image 3 , the main structure 1 is an H-shaped steel column, and the rod 2 is an H-shaped steel beam, wherein the end face of the H-shaped steel beam is fixed on the flange of the H-shaped steel column, and the corrugated connector 3 includes a first corrugated The cover plate and the second corrugated cover plate, wherein, the middle part of the first corrugated cover plate and the middle part of the second corrugated cover plate are corrugated structures 4, and the side of one end of the first corrugated cover plate is fixed to the H-shaped corrugated cover plate by first bolts. On the upper flange of the steel beam, the side of the other end of the first corrugated cover plate is bent upwards and fixed on the flange of the H-shaped steel column by the second bolt; the side of one end of the second corrugated cover plate is fixed on the H-shaped steel column by the third bolt On the lower flange of the shaped steel beam, the side of the other end of the secon...

Embodiment 2

[0030] refer to figure 2 , the main structure 1 is an H-shaped steel column, and the rod 2 is an H-shaped steel beam, wherein the end face of the H-shaped steel beam is fixed on the flange of the H-shaped steel column, and the corrugated connector 3 includes a first corrugated The cover plate and the second corrugated cover plate, the middle part of the first corrugated cover plate and the middle part of the second corrugated cover plate are all corrugated structures 4, wherein the side of one end of the first corrugated cover plate is provided with a plurality of first grooves, The first corrugated cover plate is welded to the upper flange of the H-shaped steel beam through the weld welded in the first groove, and the other end of the first corrugated cover plate is welded to the flange of the H-shaped steel column; the second corrugated cover plate is welded to the flange of the H-shaped steel column; The side of one end of the cover plate is provided with several second gr...

Embodiment 3

[0032] refer to figure 1 , the main structure 1 is a central sphere, the rod 2 is a steel pipe, the corrugated connector 3 is a tubular structure, the corrugated connector 3 is sleeved on the outer wall of the steel pipe, and the wall surface at one end of the corrugated connector 3 is provided with several first grooves , the corrugated connector 3 is welded on the outer wall of the steel pipe through the weld seam welded in the first groove, and the other end of the corrugated connector 3 is welded on the central sphere. It should be noted that the first grooves are equally spaced , the second grooves are distributed at equal intervals, and the first grooves and the second grooves are distributed along the axial direction, so as to prevent the welding heat-affected zone from concentrating on the same cross-section.

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Abstract

The invention discloses a steel structure anti-collapse joint. The steel structure anti-collapse joint comprises corrugated connecting pieces, a main body structure and rod pieces fixed to the main body structure. Corrugated structures are arranged on the middle portions of the corrugated connecting pieces, one ends of the corrugated connecting pieces are fixed to the rod pieces, and the other ends of the corrugated connecting pieces are fixed to the main body structure. The steel structure anti-collapse joint has good ductility and is not prone to being damaged.

Description

technical field [0001] The invention relates to a steel structure node, in particular to a steel structure anti-collapse node. Background technique [0002] Most of the traditional steel structure nodes are welded or bolted to the main structure to form steel structure nodes. However, in the process of use, the joints are often broken and damaged, so the nodes need to be modified. The traditional transformation method is Welding or bolting steel plates or stiffeners at the joints, the disadvantages of the traditional transformation method are that the rigidity is too large, the ductility is low, and fracture will occur when the stress deformation is not fully developed, and the energy dissipation capacity of the material cannot be fully utilized. , so the steel structure nodes are prone to damage, leading to the collapse of the structure. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58
CPCE04B1/2403E04B2001/2406E04B2001/2418E04B2001/2448
Inventor 田黎敏魏建鹏郝际平
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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