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Fabricated composite structure joint connecting system

A combined structure and node connection technology, which is applied in the direction of building structure and construction, can solve the problems of inability to realize full assembly, prolong the progress, increase the construction process, etc., and achieve the effects of enhanced connection stability, easy operation, and simple structure

Pending Publication Date: 2021-06-04
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the prefabricated structure, as a form of building structure vigorously promoted in our country, has the advantages of energy saving, ground connection, water saving, material saving and environmental protection. However, the prefabricated reinforced concrete structure and prefabricated steel and concrete composite structure It is often necessary to leave a post-casting belt, that is, after the assembly of the components, some key parts still need to be poured twice, which increases the construction process to a certain extent, prolongs the progress, and at the same time cannot realize the full assembly of this type of structure change

Method used

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  • Fabricated composite structure joint connecting system
  • Fabricated composite structure joint connecting system
  • Fabricated composite structure joint connecting system

Examples

Experimental program
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Effect test

Embodiment 1

[0037] In this embodiment 1, the assembled beam 3 includes a first beam end plate 31, steel bars 32, stirrups 33, a second beam end plate 34 and a beam wrapping layer 35; the two opposite assembled beams 3 are the same of. The first beam end plate 31 is connected to the connecting beam end plate 16; a plurality of steel bars 32 are distributed between the first beam end plate 31 and the second beam end plate 34; a plurality of stirrup bars 33 sets The plurality of steel bars 32 are distributed at intervals along the length direction of the steel bars 32 ; the beam wrapping layer 35 is wrapped on the outside of the steel bars 32 and stirrup bars 33 . The assembled beam 3 is formed by the first beam end plate 31, steel bars 32, stirrups 33, the second beam end plate 34 and the beam wrapping layer 35, and multiple beams are arranged between the first beam end plate 31 and the second beam end plate 34. A steel bar 32 and a plurality of stirrups 33 are convenient to strengthen the...

Embodiment 2

[0040] In Embodiment 2, the prefabricated composite structure node connection system of this implementation is basically the same as that of Embodiment 1, the difference is that the prefabricated beam 3 includes a first beam end plate 31, steel bars 32, section steel 36, stirrups 33, The second beam end plate 34, the beam wrapping layer 35; the first beam end plate 31 is connected to the connecting beam end plate 16; the section steel 36 is connected to the first beam end plate 31 and the second beam end plate 34; a plurality of steel bars 32 are connected between the first beam end plate 31 and the second beam end plate 34; among the multiple steel bars 32, half of the steel bars 32 are distributed in the section steel 36; the other half is distributed below the shaped steel 36; On the basis of the prefabricated beam 3 in embodiment 1, adding section steel 36 helps to further strengthen the mechanical strength and hardness of the prefabricated beam 3, so that the overall stre...

Embodiment 3

[0042] In Embodiment 3, the prefabricated composite structure node connection system of this implementation is basically the same as all the above-mentioned embodiments, the difference is that the connecting beam end plate 16 passes through an energy dissipation and shock absorbing device 4 that can be used for energy dissipation and shock absorption It is connected with the prefabricated beam 3 . The energy dissipation and shock absorbing device 4 is arranged between the connecting beam end plate 16 and the assembled beam 3, and is connected by high-strength bolts. The structure is simple and the installation is convenient. The structural node connection system forms a prefabricated energy-dissipating and shock-absorbing structural system, thereby reducing damage to important components in the structure during earthquakes.

[0043] In addition, the constraining members of beams and columns can adopt various cross-sectional forms, such as square, circular, etc., and their mate...

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Abstract

The invention relates to the technical field of constructional engineering, and discloses a fabricated composite structure joint connecting system. The connecting system comprises a fabricated joint assembly, a fabricated column and a fabricated beam; the fabricated joint assembly comprises a core steel pipe, an upper cover plate, a lower cover plate, two annular plates, connecting beam webs and connecting beam end plates; upper and lower ends of the core steel pipe are respectively connected with the upper cover plate and the lower cover plate; at least two connecting beam webs distributed in the circumferential direction of the outer wall of the core steel pipe are connected between the two annular plates in the vertical direction; the two annular plates are matched with each other and sleeve the core steel pipe; the flanges of the annular plates and the end part of each connecting beam web are connected with one connecting beam end plate; each connecting beam end plate is connected with the fabricated beam; and the upper cover plate and the lower cover plate are both connected with the fabricated column. The connecting system is simple in structure, convenient to operate, flexible in arrangement and high in stability, the application range of the fabricated joint assembly is greatly expanded, and the fabricated joint assembly can be combined with beams of different types and energy dissipation and shock absorption devices.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to an assembled composite structure node connection system. Background technique [0002] At present, the prefabricated structure, as a form of building structure vigorously promoted in our country, has the advantages of energy saving, ground connection, water saving, material saving and environmental protection. However, the prefabricated reinforced concrete structure and prefabricated steel and concrete composite structure It is often necessary to leave a post-casting belt, that is, after the assembly of the components, some key parts still need to be poured twice, which increases the construction process to a certain extent, prolongs the progress, and at the same time cannot realize the full assembly of this type of structure change. [0003] With the development of science and technology and the needs of engineering, some new materials such as fiber reinforced ...

Claims

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Application Information

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IPC IPC(8): E04B1/58E04B1/30
CPCE04B1/185E04B1/30
Inventor 任凤鸣田时雨龚琳伍峻磊
Owner GUANGZHOU UNIVERSITY
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