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Elastic pin connecting end reinforcing length-adjustable buckling-restrained brace system and mounting method

A technology of anti-buckling support and connection end, which is applied in the direction of earthquake resistance, building components, protective buildings/shelters, etc., and can solve the problem that the gap between the pin shaft and the hole wall is difficult to control accurately, the support end is prone to local bending damage, unfavorable maintenance and Replace built-in supports and other issues to ensure the quality of production and assembly installation, avoid local bending damage, and accurately predict the force characteristics

Active Publication Date: 2022-04-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the following technical problems in the existing anti-buckling support structure: (1) it is not conducive to maintenance and replacement of the built-in support; (2) the rigid connection of the support end leads to unfavorable support force; The gap between the hole walls is difficult to accurately control; (4) There is no adjustable measure for the axial dimension error caused by manufacturing errors; (5) The end of the support is easy to be locally bent and damaged

Method used

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  • Elastic pin connecting end reinforcing length-adjustable buckling-restrained brace system and mounting method
  • Elastic pin connecting end reinforcing length-adjustable buckling-restrained brace system and mounting method
  • Elastic pin connecting end reinforcing length-adjustable buckling-restrained brace system and mounting method

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Experimental program
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specific Embodiment approach 1

[0060] Specific implementation mode one: combine Figure 1 to Figure 26 To illustrate this embodiment, the elastic pin connection end reinforcement length adjustable anti-buckling support system of this embodiment includes a built-in support steel plate A, two constraining members B, a perforated liner C, two pin joint parts D, elastic cylindrical pins E and perforated gusset F,

[0061] The two restraint members B are the front restraint member and the rear restraint member respectively. The front restraint member and the rear restraint member are installed on the upper and lower ends of the built-in support steel plate A in the length direction, and the perforated liner C is installed on the built-in support steel plate A In the gap with the constraint member B, two pin joint parts D are respectively set on one end of the built-in supporting steel plate A in the length direction, and the pin joint part D and the gusset plate F with holes are hinged by elastic cylindrical pin...

specific Embodiment approach 2

[0075] Specific implementation mode two: combination Figure 3 to Figure 6 To illustrate this embodiment, the upper high-strength bolt A-4 and the lower high-strength bolt A-5 of this embodiment are respectively fixed and installed on the outer sides of the two square connecting plates A-3 by welding around the entire periphery of the bolt head. end face. With such arrangement, the connection method is simple and reliable, and it is convenient for force transmission. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0076] Specific implementation mode three: combination Figure 10 to Figure 13 The present embodiment will be described. The thickness of the second perforated liner C-2 in this embodiment is less than or equal to the thickness of the first perforated liner C-1. In addition, when the second perforated liner C-2 is used alone to leave a gap in the plate thickness direction, the thickness of the first perforated liner C-1 is equal to the thickness of the steel plate support. In this way, the second opening liner C- 2 is a thin liner, which is used to adjust the gap between the constraining members B except for the first liner. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

[0077] The sum of the thicknesses of the first perforated liner C-1 and the second perforated liner C-2 in this embodiment should be equal to the sum of the supporting thickness of the steel plate and the gap in the plate thickness direction.

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Abstract

The invention relates to a supporting system and a mounting method, in particular to an elastic pin connecting end reinforcing length-adjustable buckling-restrained supporting system and a mounting method. In the prior art, a built-in support is not convenient to maintain and replace; the rigid connection of the support ends causes unfavorable support stress; the gap between the pin shaft and the hole wall is difficult to accurately control; axial dimension errors caused by manufacturing errors and the like are not adjustable; and the supporting end part is easily locally bent and damaged. Restraining components are installed on the upper end face and the lower end face of a supporting steel plate in the length direction, perforated lining plates are installed between the built-in supporting steel plate and the restraining components, the two ends of the built-in supporting steel plate in the length direction are sleeved with pin joint components, and the pin joint components and perforated gusset plates are connected through elastic cylindrical pins. The supporting steel plate freely deforms relative to the restraining component in the axial direction of the supporting steel plate, and the assembled buckling-restrained supporting system is connected with the steel frame. The buckling-restrained brace system is assembled firstly and then installed on the steel frame. The invention is used for civil construction.

Description

technical field [0001] The invention relates to an anti-buckling support system and an installation method thereof, in particular to an adjustable anti-buckling support system and an installation method of an elastic pin connection end reinforcement length, which belong to the technical field of building structures. Background technique [0002] At present, the commonly used anti-buckling supports made of steel pipes filled with concrete or mortar and other restraining components are not conducive to maintenance and replacement of the built-in support. When the built-in steel plate support breaks due to low-cycle fatigue, the rest of the components are difficult to reuse; [0003] The commonly used anti-buckling support ends are often connected to the steel frame through weld groups or bolt groups, and the support ends are essentially rigidly connected, which is inconsistent with the end hinge assumptions used in support design and analysis, and the support frame structure mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04H9/02E04G21/14
CPCY02E10/20
Inventor 丁玉坤
Owner HARBIN INST OF TECH
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