CN219604540U - Assembled steel structure beam column node with damper - Google Patents
Assembled steel structure beam column node with damper Download PDFInfo
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- CN219604540U CN219604540U CN202320703348.1U CN202320703348U CN219604540U CN 219604540 U CN219604540 U CN 219604540U CN 202320703348 U CN202320703348 U CN 202320703348U CN 219604540 U CN219604540 U CN 219604540U
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Abstract
The utility model discloses an assembled steel structure beam column node with a damper, which comprises a first steel pipe column, a first steel beam, a second steel pipe column, a second steel beam, an intermediate connecting piece and a first damper, wherein the first steel pipe column is connected with the first steel beam; the end part of the first steel beam is connected with the outer wall of the first steel pipe column, the lower end of the first steel pipe column is arranged in a right-to-right manner with the upper end of the second steel pipe column, and the lower end of the first steel pipe column is connected with the upper end of the second steel pipe column through an intermediate connecting piece; the end part of the second steel beam is connected with the outer wall of the second steel pipe column; the first girder steel and the second girder steel are arranged in parallel from top to bottom, the upper end of the first damper is connected with the bottom of the first girder steel, and the lower end of the first damper is connected with the top of the second girder steel. The beneficial effects of the utility model are as follows: the damper is designed, and two steel beams which are arranged up and down are connected by the damper, so that the section of the combined beam is formed locally, and the rotational rigidity of the node is increased; meanwhile, the middle part of the cross section of the combined beam is high in shear stress, and the damper can consume energy after the shear stress is transferred to the damper.
Description
Technical Field
The utility model relates to the field of constructional engineering, in particular to an assembled steel structure beam column node with a damper.
Background
With the development of the building industry, the application of the module assembly type steel structure building is more and more widespread. The module assembly type steel structure firstly divides the whole structure into different module units, and after each module unit is processed in a factory, the module assembly type steel structure is transported to field hoisting; each module unit is connected with each other at the corner to form a finished steel structure. The different module units are connected with each other mainly through beam column nodes at four corners, so that the anti-seismic performance of the whole structure is generally poor, and the module assembly type steel structure is only suitable for low-rise temporary buildings at present.
The modular building is different from the traditional building structural form, and because the module units are adopted, the bottom beams of the upper module are adjacent to the top beams of the lower module, so that a unique double-beam structure is formed, and gaps exist between the double beams. In order to co-act the bottom beams of the upper module with the top beams of the lower module, it is known to provide steel plates between the bottom beams of the upper module and the top beams of the lower module and to connect them by bolts. However, the existing connection mode can only connect the upper module beam and the lower module beam to bear force together, the rotation rigidity of the node is small, and the shock resistance is poor.
Disclosure of Invention
The utility model aims to provide an assembled steel structure beam column joint with a damper, which has high rotation rigidity and good anti-seismic performance, aiming at the defects of the prior art.
The utility model adopts the technical scheme that: an assembled steel structure beam column node with a damper comprises a first steel pipe column, a first steel beam, a second steel pipe column, a second steel beam, an intermediate connecting piece and the first damper; the end part of the first steel beam is connected with the outer wall of the first steel pipe column, the lower end of the first steel pipe column is arranged in a right-to-right manner with the upper end of the second steel pipe column, and the lower end of the first steel pipe column is connected with the upper end of the second steel pipe column through an intermediate connecting piece; the end part of the second steel beam is connected with the outer wall of the second steel pipe column; the first girder steel and the second girder steel are arranged in parallel from top to bottom, the upper end of the first damper is connected with the bottom of the first girder steel, and the lower end of the first damper is connected with the top of the second girder steel.
According to the scheme, the middle connecting piece comprises a first socket steel pipe, a second socket steel pipe and a connecting plate, wherein the connecting plate is arranged in the middle, and two sides of the connecting plate are respectively connected with the first socket steel pipe and the second socket steel pipe; the first socket steel pipe, the second socket steel pipe, the first steel pipe column and the second steel pipe column are coaxial; the lower end of the first steel pipe column is opened, and the upper part of the first socket steel pipe is inserted into the lower opening of the first steel pipe column; the upper end of the second steel pipe column is opened, and the lower part of the second socket steel pipe is inserted into the upper opening of the second steel pipe column; and cement-based materials are poured into gaps between the first steel pipe column and the first socket steel pipe and gaps between the second steel pipe column and the second socket steel pipe, and the first steel pipe column, the second steel pipe column, the first socket steel pipe and the second socket steel pipe are connected.
According to the scheme, the assembled steel structure beam column node further comprises a third steel pipe column, a third steel beam, a fourth steel pipe column, a fourth steel beam, a third socket steel pipe and a fourth socket steel pipe; the end part of the third steel beam is connected with a third steel pipe column, the third steel pipe column is arranged in parallel with the first steel pipe column, the lower end of the third steel pipe column is opened, and the upper part of the third socket steel pipe is inserted into the lower opening of the third steel pipe column; the end part of the fourth steel beam is connected with a fourth steel pipe column, the fourth steel pipe column is arranged in parallel with the second steel pipe column, the upper end of the fourth steel pipe column is opened, and the lower part of the fourth socket steel pipe is inserted into the upper opening of the fourth steel pipe column; the third socket steel pipe is arranged in parallel with the first socket steel pipe, and the lower end of the third socket steel pipe is connected with the connecting plate; the fourth socket steel pipe is arranged in parallel with the second socket steel pipe, and the upper end of the fourth socket steel pipe is connected with the connecting plate; pouring cement-based materials in gaps between the third steel pipe column and the third socket steel pipe and gaps between the fourth steel pipe column and the fourth socket steel pipe, and connecting the third steel pipe column, the fourth steel pipe column, the third socket steel pipe and the fourth socket steel pipe; the third steel beam and the fourth steel beam are arranged in parallel up and down, and are connected through a second damper.
According to the scheme, the sealing plate is arranged at the lower port of the second socket steel pipe and/or the fourth socket steel pipe, the sealing plate is provided with the sealing slurry strip at the outer edge, the sealing slurry strip is in sealing connection with the inner wall of the corresponding steel pipe column, the sealing plate, the outer wall of the socket steel pipe and the inner wall of the corresponding steel pipe column enclose to form a pouring cavity, and cement-based materials are poured in the pouring cavity.
According to the scheme, the top parts of the second steel pipe column and the fourth steel pipe column are respectively provided with grouting holes.
According to the scheme, all the steel beams have the same structure and U-shaped section; the steel beam comprises an upper flange plate, a lower flange plate and a web plate for connecting the upper flange plate and the lower flange plate; the upper end of the first damper is connected with the lower flange plate of the first steel beam, and the lower end of the first damper is connected with the upper flange plate of the second steel beam; the upper end of the second damper is connected with the flange plate of the third steel beam, and the lower end of the second damper is connected with the upper flange plate of the fourth steel beam.
According to the scheme, the upper ends of the first socket steel pipe and the third socket steel pipe are at least 5cm higher than the lower flange plate of the corresponding steel pipe column external connection steel beam; the lower ends of the second socket steel pipe and the fourth socket steel pipe are lower than the upper flange plate of the corresponding steel pipe column external connection steel beam by at least 5cm.
According to the scheme, the first damper and the second damper are identical in structure and comprise a top plate, a bottom plate and a middle damping body, and the top plate and the bottom plate of the damper are connected with flange plates of corresponding steel beams through a plurality of bolts arranged at intervals respectively.
According to the scheme, the shearing resistant structure is arranged on the outer surface of each socket steel pipe; and a shearing structure is arranged on the inner wall of each steel pipe column.
The beneficial effects of the utility model are as follows:
the damper is designed, and two steel beams which are arranged up and down are connected by the damper, so that the section of the combined beam is formed locally, and the rotational rigidity of the node is increased; meanwhile, the middle part of the cross section of the combined beam is high in shear stress, and after the shear stress is transferred to the damper, the damper can consume energy, so that the energy consumption capacity of the beam column joint is improved, and the earthquake resistance of the whole structure is improved. According to the middle connecting piece designed by the utility model, the positions and the number of the socket steel pipes can be adjusted according to the adaptability of the steel pipe columns, and each socket steel pipe is connected and fixed with the connecting plate, so that the connection strength of the whole structure is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is an explosion diagram of the present embodiment.
Fig. 4 is a schematic view of a shear bead outside the socket steel pipe.
Fig. 5 is a schematic view of a shear pin external to a socket steel pipe.
Fig. 6 is a schematic view of a steel pipe column peripheral shear bead.
Fig. 7 is a schematic view of a steel pipe column external shear pin.
In the figure: 1. a first steel pipe column; 2. a second steel pipe column; 3. a third steel pipe column; 4. a fourth steel pipe column; 5. a first steel beam; 6. a second steel beam; 7. a third steel beam; 8. a fourth steel beam; 9. a first socket steel pipe; 10. a second socket steel pipe; 11. a third socket steel pipe; 12. a fourth socket steel pipe; 13. a connecting plate; 14. a second damper; 15. a first damper; 16. a bolt; 17. a shear bead; 18. a shear pin; 19. a sealing plate; 20. sealing the slurry strip; 21. grouting holes.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model and the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the utility model, from which other drawings can be obtained and from which other embodiments can be obtained without inventive effort for a person skilled in the art, and that the utility model is not limited to the examples.
The assembled steel structure beam column node with the damper shown in fig. 1-3 comprises a first steel pipe column 1, a first steel beam 5, a second steel pipe column 2, a second steel beam 6, an intermediate connecting piece and a first damper 15; the end part of the first steel beam 5 is connected with the outer wall of the first steel pipe column 1, the lower end of the first steel pipe column 1 is arranged in a right-to-right manner with the upper end of the second steel pipe column 2, and the two are connected through an intermediate connecting piece; the end part of the second steel beam 6 is connected with the outer wall of the second steel pipe column 2; the first steel beam 5 and the second steel beam 6 are arranged in parallel up and down, the upper end of the first damper 15 is connected with the bottom of the first steel beam 5, and the lower end of the first damper 15 is connected with the top of the second steel beam 6.
Preferably, the middle connecting piece comprises a first socket steel pipe 9, a second socket steel pipe 10 and a connecting plate 13, wherein the connecting plate 13 is arranged in the middle, and two sides of the connecting plate are respectively connected with the first socket steel pipe 9 and the second socket steel pipe 10; the first socket steel pipe 9, the second socket steel pipe 10, the first steel pipe column 1 and the second steel pipe column 2 are coaxial; the lower end of the first steel pipe column 1 is opened, and the upper part of the first socket steel pipe 9 is inserted into the lower opening of the first steel pipe column 1; the upper end of the second steel pipe column 2 is opened, and the lower part of the second socket steel pipe 10 is inserted into the upper opening of the second steel pipe column 2; cement-based materials are poured into gaps between the first steel pipe column 1 and the first socket steel pipe 9 and gaps between the second steel pipe column 2 and the second socket steel pipe 10, and the first steel pipe column 1, the second steel pipe column 2, the first socket steel pipe 9 and the second socket steel pipe 10 are connected.
In this embodiment, the cement-based material poured is an industry-established technology.
Preferably, the assembled steel structure beam column node further comprises a third steel pipe column 3, a third steel beam 7, a fourth steel pipe column 4, a fourth steel beam 8, a third socket steel pipe 11 and a fourth socket steel pipe 12; the end part of the third steel beam 7 is connected with a third steel pipe column 3, the third steel pipe column 3 is arranged in parallel with the first steel pipe column 1, the lower end of the third steel pipe column 3 is opened, and the upper part of the third socket steel pipe 11 is inserted into the lower opening of the third steel pipe column 3; the end part of the fourth steel beam 8 is connected with a fourth steel pipe column 4, the fourth steel pipe column 4 is arranged in parallel with the second steel pipe column 2, the upper end of the fourth steel pipe column 4 is opened, and the lower part of the fourth socket steel pipe 12 is inserted into the upper opening of the fourth steel pipe column 4; the third socket steel pipe 11 is arranged in parallel with the first socket steel pipe 9, and the lower end of the third socket steel pipe 11 is connected with the connecting plate 13; the fourth socket steel pipe 12 is arranged in parallel with the second socket steel pipe 10, and the upper end of the fourth socket steel pipe 12 is connected with the connecting plate 13; cement-based materials are poured into gaps between the third steel pipe column 3 and the third socket steel pipe 11 and gaps between the fourth steel pipe column 4 and the fourth socket steel pipe 12, and the third steel pipe column 3, the third socket steel pipe 11, the fourth steel pipe column 4 and the fourth socket steel pipe 12 are connected.
Preferably, a sealing plate 19 is installed at the lower port of the second socket steel pipe 10 and/or the fourth socket steel pipe 12, a slurry sealing strip 20 is arranged at the outer edge of the sealing plate 19 and is in sealing connection with the inner wall of the corresponding steel pipe column, the sealing plate 19, the outer wall of the socket steel pipe and the inner wall of the corresponding steel pipe column enclose to form a pouring cavity, and cement-based materials are poured in the pouring cavity.
Preferably, the sealing plate 19 is a metal sealing plate; the sealing compound 20 is a rubber sealing compound.
Preferably, grouting holes 21 are respectively formed in the tops of the second steel pipe column 2 and the fourth steel pipe column 4, and are used for grouting cement-based materials.
Preferably, the third steel beam 7 and the fourth steel beam 8 are arranged in parallel up and down, and are connected through a second damper 14.
In this embodiment, the axes of the first steel beam 5 and the third steel beam 7 are collinear, and the axes of the second steel beam 6 and the fourth steel beam 8 are collinear; the axes of the first steel pipe column 1 and the second steel pipe column 2 are collinear, and the axes of the third steel pipe column 3 and the fourth steel pipe column 4 are collinear.
In the utility model, the steel beam and the steel pipe column are connected to form a module structure.
Preferably, the steel beams have the same structure and U-shaped section; the steel beam comprises an upper flange plate, a lower flange plate and a web plate for connecting the upper flange plate and the lower flange plate; the upper end of the first damper 15 is connected with the lower flange plate of the first steel beam 5, and the lower end of the first damper 15 is connected with the upper flange plate of the second steel beam 6; the upper end of the second damper 14 is connected with the flange plate of the third steel beam 7, and the lower end of the second damper 14 is connected with the upper flange plate of the fourth steel beam 8.
Preferably, the upper ends of the first socket steel pipe 9 and the third socket steel pipe 11 are at least 5cm higher than the lower flange plates of the corresponding steel pipe column external connection steel beams; the lower ends of the second socket steel pipe 10 and the fourth socket steel pipe 12 are lower than the upper flange plate of the corresponding steel pipe column external connection steel beam by at least 5cm.
Preferably, the first damper 15 and the second damper 14 are metal dampers, and have the same structure, and each damper comprises a top plate, a bottom plate and a middle damping body, and the top plate and the bottom plate of the damper are respectively connected with the flange plates of the corresponding steel beams through a plurality of bolts 16 arranged at intervals. In the utility model, the damper is an industry-established structure, and is not described herein.
Preferably, a shear-resistant construction, either a shear bead 17 or a shear stud 18, is provided on the outer surface of each socket steel tube. As shown in fig. 4, shearing resistant beads 17 are arranged on the outer walls of the first socket steel pipe 9, the second socket steel pipe 10, the third socket steel pipe 11 and the fourth socket steel pipe 12; as shown in fig. 5, the outer walls of the first, second, third and fourth socket steel pipes 9, 10, 11 and 12 are provided with shear studs 18.
Preferably, a shearing resistant structure, which may be a shearing resistant bead 17 or a shearing resistant stud 18, is provided on the inner wall of each steel pipe column, as shown in fig. 6 and 7, respectively; the shearing resistant structure in the steel pipe column is staggered with the shearing resistant structure in the corresponding socket steel pipe.
The construction method of the assembled steel structure beam column joint comprises the following steps:
step one, prefabricating each component in a factory, welding steel pipe columns and steel beams to form corresponding module structures, and connecting each socket steel pipe with a connecting plate 13 to form an integral structure; and welding staggered shearing resistant structures on the socket steel pipes and the corresponding steel pipe columns, and meeting the following structural requirements: the ratio of the diameter of the steel pipe column to the wall thickness of the steel pipe column is not more than 60, the ratio of the diameter of the socket steel pipe to the wall thickness of the socket steel pipe is not more than 30, the ratio of the spacing to the height of the shearing resistant structure is not less than 10, and the width of the shearing resistant structure is not more than 3 times of the height of the shearing resistant structure;
step two, conveying each component to a construction site, placing a connecting socket steel pipe in place, placing the connecting socket steel pipe in a lower steel pipe column, enabling gaps around the connecting socket steel pipe to be uniform, enabling the gap width to be one tenth to one fortieth of the outer diameter of the steel pipe column, and installing an upper module structure after the position of the connecting socket steel pipe is preliminarily determined;
installing a damper, specifically, connecting a bottom beam of an upper module unit with a top beam of a lower module by using bolts, and preliminarily fixing the node;
grouting the gap between the steel pipe column and the corresponding socket steel pipe, specifically grouting a lower grouting part (namely the gap between the lower steel pipe column and the corresponding socket steel pipe) through a grouting hole at the top end of the lower steel pipe column; grouting a gap between the upper steel pipe column and the corresponding socket steel pipe through the port of the upper steel pipe column; in the grouting process, the damper has a temporary fixing function.
Specific embodiments of the present utility model are described in detail above. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis and reasoning in the prior art by the person skilled in the art through the present utility model concept are within the protection scope defined by the claims.
Claims (9)
1. The assembled steel structure beam column joint with the damper is characterized by comprising a first steel pipe column, a first steel beam, a second steel pipe column, a second steel beam, an intermediate connecting piece and a first damper; the end part of the first steel beam is connected with the outer wall of the first steel pipe column, the lower end of the first steel pipe column is arranged in a right-to-right manner with the upper end of the second steel pipe column, and the lower end of the first steel pipe column is connected with the upper end of the second steel pipe column through an intermediate connecting piece; the end part of the second steel beam is connected with the outer wall of the second steel pipe column; the first girder steel and the second girder steel are arranged in parallel from top to bottom, the upper end of the first damper is connected with the bottom of the first girder steel, and the lower end of the first damper is connected with the top of the second girder steel.
2. The fabricated steel structure beam column node of claim 1, wherein the intermediate connection piece comprises a first socket steel pipe, a second socket steel pipe and a connection plate, the connection plate is centrally arranged, and two sides of the connection plate are respectively connected with the first socket steel pipe and the second socket steel pipe; the first socket steel pipe, the second socket steel pipe, the first steel pipe column and the second steel pipe column are coaxial; the lower end of the first steel pipe column is opened, and the upper part of the first socket steel pipe is inserted into the lower opening of the first steel pipe column; the upper end of the second steel pipe column is opened, and the lower part of the second socket steel pipe is inserted into the upper opening of the second steel pipe column; and cement-based materials are poured into gaps between the first steel pipe column and the first socket steel pipe and gaps between the second steel pipe column and the second socket steel pipe, and the first steel pipe column, the second steel pipe column, the first socket steel pipe and the second socket steel pipe are connected.
3. The fabricated steel structure beam-column node of claim 2, further comprising a third steel pipe column, a third steel beam, a fourth steel pipe column, a fourth steel beam, a third socket steel pipe, and a fourth socket steel pipe; the end part of the third steel beam is connected with a third steel pipe column, the third steel pipe column is arranged in parallel with the first steel pipe column, the lower end of the third steel pipe column is opened, and the upper part of the third socket steel pipe is inserted into the lower opening of the third steel pipe column; the end part of the fourth steel beam is connected with a fourth steel pipe column, the fourth steel pipe column is arranged in parallel with the second steel pipe column, the upper end of the fourth steel pipe column is opened, and the lower part of the fourth socket steel pipe is inserted into the upper opening of the fourth steel pipe column; the third socket steel pipe is arranged in parallel with the first socket steel pipe, and the lower end of the third socket steel pipe is connected with the connecting plate; the fourth socket steel pipe is arranged in parallel with the second socket steel pipe, and the upper end of the fourth socket steel pipe is connected with the connecting plate; pouring cement-based materials in gaps between the third steel pipe column and the third socket steel pipe and gaps between the fourth steel pipe column and the fourth socket steel pipe, and connecting the third steel pipe column, the fourth steel pipe column, the third socket steel pipe and the fourth socket steel pipe; the third steel beam and the fourth steel beam are arranged in parallel up and down, and are connected through a second damper.
4. A fabricated steel structure beam column node according to claim 3, wherein a sealing plate is mounted at the lower end opening of the second socket steel pipe and/or the fourth socket steel pipe, a slurry sealing strip is arranged at the outer edge of the sealing plate and is in sealing connection with the inner wall of the corresponding steel pipe column, a casting cavity is formed by enclosing the outer wall of the sealing plate and the socket steel pipe with the inner wall of the corresponding steel pipe column, and cement-based materials are cast in the casting cavity.
5. The fabricated steel structure beam-column joint according to claim 3, wherein the top parts of the second steel pipe column and the fourth steel pipe column are respectively provided with grouting holes.
6. A fabricated steel structure beam-column joint according to claim 3, wherein each steel beam has the same structure and a U-shaped cross section; the steel beam comprises an upper flange plate, a lower flange plate and a web plate for connecting the upper flange plate and the lower flange plate; the upper end of the first damper is connected with the lower flange plate of the first steel beam, and the lower end of the first damper is connected with the upper flange plate of the second steel beam; the upper end of the second damper is connected with the flange plate of the third steel beam, and the lower end of the second damper is connected with the upper flange plate of the fourth steel beam.
7. The fabricated steel structure beam column node of claim 3, wherein the upper ends of the first socket steel pipe and the third socket steel pipe are each at least 5cm higher than the lower flange plate of the corresponding steel pipe column external connection steel beam; the lower ends of the second socket steel pipe and the fourth socket steel pipe are lower than the upper flange plate of the corresponding steel pipe column external connection steel beam by at least 5cm.
8. The fabricated steel structure beam-column node of claim 3, wherein the first damper and the second damper are identical in structure and comprise a top plate, a bottom plate and a middle damping body, and the top plate and the bottom plate of the damper are respectively connected with flange plates of corresponding steel beams through a plurality of bolts arranged at intervals.
9. A fabricated steel structure beam column node according to claim 3, wherein shear resistant formations are provided on the outer surface of each socket steel pipe; and a shearing structure is arranged on the inner wall of each steel pipe column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703348.1U CN219604540U (en) | 2023-03-31 | 2023-03-31 | Assembled steel structure beam column node with damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320703348.1U CN219604540U (en) | 2023-03-31 | 2023-03-31 | Assembled steel structure beam column node with damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604540U true CN219604540U (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320703348.1U Active CN219604540U (en) | 2023-03-31 | 2023-03-31 | Assembled steel structure beam column node with damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604540U (en) |
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2023
- 2023-03-31 CN CN202320703348.1U patent/CN219604540U/en active Active
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