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Energy dissipation and shock absorption node, shock absorption column and installation method

An energy dissipation and node technology, applied in earthquake resistance, building components, building structure, etc., can solve the problems of not fully exerting the advantages of prefabricated concrete frame structures, and achieve the effect of increasing connection stability, preventing crushing and ensuring safety.

Inactive Publication Date: 2020-01-17
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the traditional energy dissipation and shock absorption technology is mostly used, and the advantages of the prefabricated concrete frame structure are not fully utilized.

Method used

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  • Energy dissipation and shock absorption node, shock absorption column and installation method
  • Energy dissipation and shock absorption node, shock absorption column and installation method
  • Energy dissipation and shock absorption node, shock absorption column and installation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as Figure 1-5 As shown, the energy-dissipating and shock-absorbing node includes energy-dissipating components and pre-embedded connecting components fixed on the upper and lower end surfaces of the energy-dissipating components, and the pre-embedded connecting components are anchored on precast concrete columns or precast concrete beams; in this embodiment Take precast concrete columns as an example. The energy-dissipating assembly includes energy-dissipating connection units and energy-dissipating units provided at both ends, and the energy-dissipating unit includes energy-dissipating webs 11, and at least one of the panels of the energy-dissipating webs 11 is provided with Energy unit rigid energy dissipation ribs 13, the energy dissipation webs 11 are memory alloys. In this embodiment, in order to achieve a set rigidity, energy dissipation ribs 13 are provided on both sides of the energy dissipation ribs 13 , and the energy dissipation ribs 13 on both sides a...

Embodiment 2

[0052] The installation method of the damping node in embodiment 1 comprises the following steps:

[0053] S1, the pre-embedded connection assembly is arranged in the mold on the opposite side of the upper precast concrete column 41 and the lower precast concrete column 42, and then the upper precast concrete column 41 and the lower precast concrete column 42 are poured;

[0054] S2, hoisting the lower precast concrete column 42;

[0055] S3. Place the energy dissipation components on the lower precast concrete column 42, so that the lug plate 23 of the embedded connection component on the lower precast concrete column 42 passes through the fixing plate 15 below the energy dissipation component and is located on both sides of the connecting web 14. The screw 22 connects the embedded connecting plate and the fixed plate 15 at the lower end of the energy dissipation component, and the bolt passes through the ear plate 23 and the connecting web 14;

[0056] S4. Hoisting the uppe...

Embodiment 3

[0058] Such as Figure 6 As shown, the shock-absorbing column including the consumption shock-absorbing node described in Embodiment 1 is set to be arranged between the first floor 31 and the second floor 32 arranged up and down, and also includes temporary supports and diagonal supports, The temporary support is used to connect the upper precast concrete column 41 and the lower precast concrete column 42 , the diagonal support connects the upper precast concrete column 41 and the second floor 32 , and the temporary support and the diagonal support are detachable. Correspondingly, the upper precast concrete column 41 and the lower precast concrete column 42 are provided with threaded holes for fixing temporary supports, and the upper precast concrete column and the second floor 32 are also provided with threaded holes for fixing diagonal supports.

[0059] In order to connect the precast concrete columns 41 on adjacent floors, the upper precast concrete column 41 is provided w...

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Abstract

The invention relates to the technical field of earthquake resistance of building structure engineering, in particular to an energy dissipation and shock absorption node, a shock absorption column andan installation method. The energy dissipation and shock absorption node comprises an energy dissipation assembly and embedded connecting assemblies fixed on the upper and lower end surfaces of the energy dissipation assembly, and the embedded connecting assemblies are anchored on a precast concrete column or a precast concrete beam; the energy dissipation assembly comprises energy dissipation connecting units arranged at two ends and an energy dissipation unit, the energy dissipation unit comprises an energy dissipation web plate, at least one plate surface of the energy dissipation web plate is provided with energy dissipation rib plates for adjusting the rigidity of the energy dissipation unit, and the energy dissipation web plate is a memory alloy. Energy dissipation and shock absorption nodes are arranged in the middle of the concrete, energy generated by a main structure under earthquake is consumed through the energy dissipation and shock absorption nodes, damage to the main structure is reduced, and accordingly the building structure is protected. The energy dissipation web plate of the memory alloy is fixed on the corresponding precast concrete through the embedded connecting assemblies on the upper end surface and the lower end surface, and the energy dissipation effect is adjusted by arranging the energy dissipation rib plates.

Description

technical field [0001] The invention relates to the field of anti-seismic technology of building structure engineering, in particular to an energy dissipation and shock absorption node, a shock absorption column and an installation method. Background technique [0002] Prefabricated concrete buildings are widely used due to their high production efficiency, short construction period, and meeting the development requirements of "four sections and one environmental protection" green buildings, but their integrity and stability are poor, and their use in high-intensity earthquake areas is limited. At present, there are many energy dissipation and shock absorption technologies applied to prefabricated concrete frame structures. Studies by scholars have shown that reasonable energy dissipation and shock absorption technologies can effectively increase structural damping, reduce structural interstory displacement, and improve the performance of prefabricated concrete frame structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04B1/21E04H9/02
CPCE04B1/21E04B1/215E04B1/98E04H9/021E04H9/025
Inventor 王静峰赵鹏端梦珺李贝贝张坤霍永伦
Owner HEFEI UNIV OF TECH
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