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Buckling-restrained brace energy consumption type beam-column joint for construction steel structure

A technology of anti-buckling bracing and beam-column joints, applied in building components, building types, building structures, etc., can solve the problems of inability to realize loading and unloading, replacement process, affecting the seismic performance of joints, difficult to control welding quality, etc. The effect of energy dissipation capacity, improvement of collapse resistance, and simple structure

Inactive Publication Date: 2019-08-23
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(1) In the existing technology, it is difficult to realize the node design form that is convenient for disassembly and assembly and has strong energy consumption capacity
(2) The traditional steel beam-column joints are all welded or bolted, resulting in a decrease in the ductility of the joints. At the same time, the welding quality is not easy to control, which seriously affects the seismic performance of the joints
(3) In the cast-in-place node area, the construction process is complicated and the construction period is long. The wet work on site also affects the construction environment to a certain extent, and it is impossible to realize simple loading, unloading and replacement processes

Method used

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  • Buckling-restrained brace energy consumption type beam-column joint for construction steel structure
  • Buckling-restrained brace energy consumption type beam-column joint for construction steel structure
  • Buckling-restrained brace energy consumption type beam-column joint for construction steel structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1 ~ Figure 3 As shown, a buckling-resistant support energy-dissipating beam-column node for building steel structures, the node includes a vertically arranged node I-shaped steel column 1, and the flanges on both sides of the node I-shaped steel column 1 are welded respectively I-beam 2 with nodes set horizontally;

[0028] The node I-beam 2 is connected to an I-beam 3 at one end away from the node I-steel column 1;

[0029] The upper surface of the upper flange 21 of the node I-shaped steel beam and the upper surface of the upper flange 31 of the I-shaped steel beam are fixedly connected by the upper backing plate 4 on the upper part of the steel beam; The upper surface of the upper flange 21 of the beam is fixedly connected with the upper surface of the upper flange 31 of the I-beam;

[0030] The lower surface of the upper flange 21 of the node I-shaped steel beam and the lower surface of the upper flange 31 of the I-shaped steel beam are fixedly con...

Embodiment 2

[0040] Such as figure 1 with Figure 4 As shown, the difference between Embodiment 2 and Embodiment 1 lies in that the cross-section of the entire anti-buckling support inner curved steel 62 is in the shape of an I-shape 65 .

Embodiment 3

[0042] Such as figure 1 with Figure 5 As shown, the difference between Embodiment 3 and Embodiment 1 lies in that the cross-section of the entire inner curved steel 62 of the anti-buckling support is in the shape of a cross 66 .

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Abstract

The invention discloses a buckling-restrained brace energy consumption type beam-column joint for a construction steel structure. The buckling-restrained brace energy consumption type beam-column joint for the construction steel structure is characterized by comprising a joint I-steel column vertically arranged, wherein joint I-steel beams horizontally arranged are respectively welded on flanges on two sides of the joint I-steel column, an I-steel beam is fixed at one end, far away from the joint I-steel column, of each joint I-steel beam, and a connection position of the lower flange of eachjoint I-steel beam and the lower flange of each I-steel beam is connected with a portion, close to the connection position, of the outer surface of the flange of the joint I-steel column, through a buckling-restrained brace damper. The buckling-restrained brace energy consumption type beam-column joint for the construction steel structure is convenient to process, easy to install and dismantle, green and environment friendly, and simple in structural style, improves production efficiency, significantly enhances energy consumption ability, and improves structural earthquake resisting and collapse resisting ability.

Description

technical field [0001] The invention relates to a beam-column joint, in particular to an anti-buckling support energy-dissipating beam-column joint for building steel structures. Background technique [0002] In recent years, prefabricated steel structures have received widespread attention in the development of the industry due to their advantages such as high production efficiency, convenient assembly, green energy saving and environmental protection. At the same time, the passive control technology in earthquake protection engineering has been widely used in the field of earthquake engineering at home and abroad because of its low cost and remarkable shock absorption effect. As the key components of the building structure, the joints' seismic performance often meets the requirements of strong joints according to the code requirements, while the traditional prefabricated structures often yield first and produce plastic hinges at the joints under the action of earthquake lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58E04B1/98E04H9/02
CPCE04B1/2403E04B2001/2406E04B2001/2415E04B2001/2418E04H9/021E04H9/024
Inventor 王德斌丰茂东白凤龙姚宇新李新
Owner DALIAN JIAOTONG UNIVERSITY
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