Assembly type energy dissipating joint connecting suspension steel columns and installation method thereof

A prefabricated, node-based technology, applied in protective buildings/shelters, building components, earthquake resistance, etc., can solve the problems of sub-floor safety performance impact, failure, and lower sub-floor seismic performance, so as to improve energy consumption capacity and Self-resetting ability, improved force transmission, and convenient construction and installation of bolts

Active Publication Date: 2019-10-22
HEFEI UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the action of wind load or earthquake load, there will be a relatively large interstory displacement difference between the infill sub-floor and the main structure, and the key nodes of the suspended steel columns may fail, resulting in a reduction in the seismic performance of the sub-floor, making the sub-floor Safety performance is affected

Method used

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  • Assembly type energy dissipating joint connecting suspension steel columns and installation method thereof
  • Assembly type energy dissipating joint connecting suspension steel columns and installation method thereof
  • Assembly type energy dissipating joint connecting suspension steel columns and installation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A fabricated energy-dissipating node connected to suspended steel columns, such as figure 1 and figure 2 The energy dissipation node includes an end plate 10, two energy dissipation node webs 11 arranged front and back, and two energy dissipation node flanges 12 arranged left and right, as image 3 As shown, each energy-dissipating node web 11 includes a web arc section 110 and a web straight section 111, as shown in Figure 4 As shown, each energy dissipation node flange 12 includes a flange arc segment 120 and a flange straight segment 121 . The end plate 10 is welded to the top of the web arc section 110 and the top of the flange arc section 120, and the flange is the wing plate. The energy dissipation node flanges 12 are arranged opposite to each other, the energy dissipation node webs 11 are arranged opposite to each other, and the energy dissipation node webs 11 are located between the opposite energy dissipation node flanges 12 .

[0044] Both the flange arc ...

Embodiment 2

[0050] On the basis of Example 1, such as Figure 8 As shown, the main structure of the entire floor is a giant frame, and the giant frame includes a frame column 5 and a horizontal member 3 fixed on the top of the frame column 5. A number of energy-dissipating nodes are suspended on the horizontal member 3, which bears the main gravity of the floor 4. Installing the energy-consuming node of the present invention on the megaframe comprises the following steps:

[0051] S1, two energy dissipation node webs 11 are welded opposite to each other on the end plate 10, and the two energy dissipation node webs 11 are parallel; the flange arc section 120 of the energy dissipation node flange 12 is attached to the web On the arc section 110, the flange 12 of the energy-dissipating node is welded to the end plate 10, and the prefabrication of the energy-dissipating node is completed at this time;

[0052] S2, fixing the elastic member 13 on the flange straight section 121;

[0053] S3...

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Abstract

The invention relates to the field of constructional engineering, in particular to an assembly type energy dissipating joint connecting a suspension steel column and an installation method of the assembly type energy dissipating joint connecting the suspension steel column. The assembly type energy dissipating joint comprises an end plate, energy dissipating joint webs and energy dissipating jointflanges, wherein the energy dissipating joint flanges are opposite to each other, the energy dissipating joint webs are opposite to each other, the end plate is installed at the top ends of the energy dissipating joint flanges and the energy dissipating joint webs, the energy dissipating joint webs are located between the opposite energy dissipating joint flanges, and the energy dissipating jointwebs and the energy dissipating joint flanges are used for fixing the suspension steel column. When a wind load or an earthquake load happens, the energy dissipating joint can consume energy generated by the wind load and the earthquake load, the story drift difference between a filled sub-storey suspended on the suspension steel column and a main body structure is reduced, the anti-seismic performance of the sub-storey can be improved, and the safety performance of the sub-storey can be guaranteed.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to an assembled energy-dissipating node connected to a suspended steel column and an installation method thereof. Background technique [0002] With the continuous development of structural engineering technology, buildings are increasingly developing towards long-span and high-rise buildings. Compared with the traditional steel frame, the suspended structure system is a structural system that can provide greater space requirements. It has a unique architectural shape, superior structural performance, effectively reduces the amount of steel used in the building, and generates huge social and social benefits. Economic Value. [0003] In the suspended structure system, the load of the infill sub-floor is transferred to the top horizontal member of the giant frame column through the suspended steel column and energy-dissipating nodes, and further transmitted to the frame column...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58E04B1/98E04H9/02
CPCE04B1/2403E04H9/024
Inventor 王静峰张坤李德章丁敬华郭磊
Owner HEFEI UNIV OF TECH
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