Dual-joint plate square steel pipe column-K-shaped steel supporting connecting joint

A technology of double gusset plates and connecting nodes, applied in the direction of building and building structure, can solve the problems of troublesome node design, affecting the low-cycle fatigue life of supports, troublesome production, construction and installation, etc., so as to avoid welding operations and improve construction. Efficiency, the effect of reducing repair costs

Inactive Publication Date: 2020-07-10
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is precisely because of the strong restraint ability of this kind of joint that when the support loses stability, it will generate a secondary bending moment at the joint, which not only brings trouble to the design of the joint, but also affects the low-cycle fatigue life of the support. This rigid connection method also brings some troubles to production, construction and installation.

Method used

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  • Dual-joint plate square steel pipe column-K-shaped steel supporting connecting joint
  • Dual-joint plate square steel pipe column-K-shaped steel supporting connecting joint
  • Dual-joint plate square steel pipe column-K-shaped steel supporting connecting joint

Examples

Experimental program
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Effect test

Embodiment 1

[0043] In the factory, two bolt holes are set on the upper and lower sides of the gusset plate 5. The diameter of the bolt hole is 22mm, and the distance L1 between the center of the bolt hole and the edge of the gusset plate (vertical to the direction of internal force) is 40mm, and the two gusset plates 5 are welded On the steel plate 3, six bolt holes of the same diameter are opened in the corresponding positions of the square steel pipe column 1 and the steel plate 3. Pull the bolt 6 (20mm in diameter) to fix the steel plate 3 on both sides of the square steel pipe column 1, cut off a piece of web at the end of the steel support 2, and open two screw holes on the upper and lower flanges, the screw hole diameter is 22mm , the distance L3 from the center of the screw hole to the edge of the flange (perpendicular to the direction of internal force) is 35mm.

[0044] At the construction site, push the two gusset plates 5 into the upper and lower flanges of the steel support 2 ...

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PUM

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Abstract

The invention relates to the field of K-shaped steel supporting connecting joints in connecting joints of building structures, and discloses a dual-joint plate square steel pipe column-K-shaped steelsupporting connecting joint. The dual-joint plate square steel pipe column-K-shaped steel supporting connecting joint comprises a square steel pipe column with six bolt holes formed in the column wall, steel plates fixed to the two sides of the column through split bolts, two joint plates welded to the steel plates and steel supports connected to the joint plates through high-strength bolts. A part of web plate needs to be cut off at the end, connected with the corresponding joint plate, of each steel support. By means of the joint, the shock resistance, energy dissipation capacity and ductility of a steel framework can be improved; and field construction is convenient, and the joint meets the strong joint and weak component principle and also has necessary strength and good deformation capacity and energy dissipation capacity.

Description

technical field [0001] The invention relates to the field of K-shaped steel support connection nodes in building structure connection nodes, in particular to a double-node square steel pipe column-K-shaped steel support connection node. Background technique [0002] Prefabricated steel structure buildings have been vigorously promoted in today's construction industry. It has the advantages of design standards, industrialization of production, assembly of construction, integration of decoration, informationization of management, and intelligent application. Prefabricated steel structure buildings can reduce the pollution brought to people during construction, reduce construction costs, improve construction efficiency and quality, make construction safer, and alleviate the crisis caused by overproduction in the steel industry. [0003] Prefabricated steel structure buildings have the following advantages: ① Flexible layout and high integration of building content. The space l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58
CPCE04B1/24E04B1/2403E04B2001/2415E04B2001/2418E04B2001/2454
Inventor 李帼昌聂金乾
Owner SHENYANG JIANZHU UNIVERSITY
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