CN219952230U - Deformation joint structure of large-span steel frame - Google Patents
Deformation joint structure of large-span steel frame Download PDFInfo
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- CN219952230U CN219952230U CN202321495716.4U CN202321495716U CN219952230U CN 219952230 U CN219952230 U CN 219952230U CN 202321495716 U CN202321495716 U CN 202321495716U CN 219952230 U CN219952230 U CN 219952230U
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- steel frame
- deformation joint
- connecting section
- joint structure
- outer ring
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
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Abstract
A deformation joint structure of a large-span steel frame, which is arranged on the steel frame; the steel frame comprises a stiff column, a cross beam and a longitudinal beam; the deformation joint structure is arranged at the connecting position of the cross beam and the stiff column; the steel bones of the stiffness column and the positions corresponding to the top surface and the bottom surface of the cross beam are respectively provided with an outer ring plate; vertical reinforcing plates are arranged between the upper outer ring plate and the lower outer ring plate at intervals along the circumferential direction; the left side and the right side of the outer ring plate are respectively provided with a beam connecting section; the longitudinal section of the beam connecting section is adapted to the longitudinal section of the beam and is I-shaped; a supporting end is arranged at the lower part of the end surface of the beam connecting section at one side of the stiffness column, and a lap joint end is arranged at the upper part of the end surface of the beam connected with the side beam connecting section; the lap joint ends are lapped on the supporting and connecting ends, a space is reserved between the lap joint ends and the corresponding cross beam connecting sections, and a space is reserved between the supporting and connecting ends and the corresponding cross beams; and a polytetrafluoroethylene plate layer is arranged on the top surface of the supporting end.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to a deformation joint structure of a large-span steel frame.
Background
The middle part of the front side of a certain building project is provided with a command control center with independent functions, two sides and the rear side of the command control center are continuous exhibition, conference, scientific research and office areas, and in order to enable the command control center and building structures on two sides of the command control center to form a complete petal shape, a designer is provided with a transitional steel structure frame between the command control center and the building structures on two sides. Because the span of the steel frame is larger, and the buildings on two sides are easy to generate uneven settlement in the later use process, the steel frame is easy to deform during the use process, and therefore the steel frame is damaged. In order to avoid damage due to deformation, it is necessary to provide deformation joints in the steel frame during design. The traditional steel-bonded steel beam deformation joint is usually broken or adopts a spherical steel support, the principle is that an upper support, a lower support, a middle spherical panel and a spherical sliding plate are adopted, the upper support and the lower support slide and rotate through the spherical surface and the sliding plate, the spherical support in the traditional form connects the surrounding steel structures into a whole, the steel structures on two sides can be vertically stretched under the action of external environment (such as temperature change, wind pressure, earthquake and the like) when sliding, and the damage risk of the steel structure external decoration panel can be increased due to vertical vibration; therefore, the traditional steel structure joint is complex in process, long in processing period and not suitable for the application of the structure.
Disclosure of Invention
The utility model aims to provide a deformation joint structure of a large-span steel frame, which aims to solve the technical problems that the traditional steel structure deformation joint is complex in process and long in processing period, and cannot simultaneously meet the requirements of no vertical harmful amplitude and no structural steel beam bearing force transmission effect during sliding.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
A deformation joint structure of a large-span steel frame, which is arranged on the steel frame; the steel frame comprises a stiff column, a cross beam and a longitudinal beam; the deformation joint structure is arranged at the connecting position of the cross beam and the stiff column; the steel bones of the stiffness column and the positions corresponding to the top surface and the bottom surface of the cross beam are respectively provided with an outer ring plate; vertical reinforcing plates are arranged between the upper outer ring plate and the lower outer ring plate at intervals along the circumferential direction; the left side and the right side of the outer ring plate are respectively provided with a beam connecting section; the longitudinal section of the beam connecting section is adapted to the longitudinal section of the beam and is I-shaped; a supporting end is arranged at the lower part of the end surface of the beam connecting section at one side of the stiffness column, and a lap joint end is arranged at the upper part of the end surface of the beam connected with the side beam connecting section; the lap joint ends are lapped on the supporting and connecting ends, a space is reserved between the lap joint ends and the corresponding cross beam connecting sections, and a space is reserved between the supporting and connecting ends and the corresponding cross beams; and a polytetrafluoroethylene plate layer is arranged on the top surface of the supporting end.
Preferably, the deformation joint structure is arranged at one side of a group of stiffness columns longitudinally corresponding to the deformation joint structure, and a group of deformation joint structures are longitudinally corresponding to the deformation joint structure.
Preferably, pegs are arranged on the outer surface of the steel skeleton of the stiff column at intervals.
Preferably, the top surface of the upper outer ring plate is flush with the top surface of the cross beam, and the bottom surface of the lower outer ring plate is flush with the bottom surface of the cross beam.
Preferably, the distance between the lap joint end and the corresponding beam connecting section is 180 mm-220 mm; the distance between the support end and the corresponding cross beam is 180 mm-220 mm.
Preferably, the length of the part where the overlap end and the support end overlap is not less than 200mm.
Compared with the prior art, the utility model has the following characteristics and beneficial effects.
1. The utility model is provided with a support end at the lower part of the end surface of the beam connecting section at one side of the stiffness column, and a lap joint end at the upper part of the end surface of the beam connected with the side beam connecting section; the lap joint ends are lapped on the support joint ends, a space is reserved between the lap joint ends and the corresponding beam connecting sections to form deformation joints, and a space is reserved between the support joint ends and the corresponding beams to form the deformation joints; in the utility model, the steel structures at two sides of the deformation joint are respectively positioned on two independent structural monomers on the ground, and the decorative plates at the outer sides of the structures are respectively arranged on the steel structures at two sides of the joint; when the foundation on two sides of the deformation joint generates uneven settlement, the steel frame is prevented from vertical extrusion or stretching due to the existence of the deformation joint, and the technical problem that the traditional deformation joint structure cannot meet the requirement of not generating vertical harmful vibration amplitude during sliding is solved.
2. According to the utility model, the polytetrafluoroethylene plate layer is arranged between the supporting end and the lap joint end, and when the frames at two sides of the deformation joint generate transverse displacement, the supporting end and the lap joint end can generate transverse relative sliding, so that the steel frame is prevented from generating transverse extrusion or tensile damage; meanwhile, the longitudinal sections of the lap joint end and the supporting end are I-shaped, and the horizontal stiffening plate is arranged in the middle of the beam connecting section provided with the supporting end and at the position corresponding to the upper flange of the supporting end.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic elevation view of a deformation joint structure according to the present utility model.
Fig. 2 is a schematic plan view of the deformation joint structure of the present utility model.
Fig. 3 is a schematic structural view of the present utility model, in which a supporting end is provided on a beam connection section.
Reference numerals: 1-stiffness column, 2-crossbeam, 3-longeron, 4-outer ring plate, 5-vertical reinforcing plate, 6-crossbeam linkage segment, 7-support end, 8-overlap joint end, 9-polytetrafluoroethylene sheet layer, 10-peg, 11-longeron linkage segment, 12-connecting plate, 13-horizontal reinforcing plate.
Description of the embodiments
As shown in fig. 1-3, the deformation joint structure of the large-span steel frame is arranged on the steel frame; the steel frame comprises a stiff column 1, a cross beam 2 and a longitudinal beam 3; the deformation joint structure is arranged at the connecting position of the cross beam 2 and the stiff column 1; an outer ring plate 4 is respectively arranged on the steel bones of the stiffness column 1 and at the positions corresponding to the top surface and the bottom surface of the cross beam 2; vertical reinforcing plates 5 are arranged between the upper outer ring plate 4 and the lower outer ring plate 4 at intervals along the circumferential direction; the left side and the right side of the outer ring plate 4 are respectively provided with a beam connecting section 6; the longitudinal section of the beam connecting section 6 is adapted to the longitudinal section of the beam 2 and is I-shaped; a supporting end 7 is arranged at the lower part of the end surface of the beam connecting section 6 at one side of the stiffness column 1, and a lap joint end 8 is arranged at the upper part of the end surface of the beam 2 connected with the side beam connecting section 6; the lap joint end 8 is lapped on the supporting end 7, a space is reserved between the lap joint end 8 and the corresponding beam connecting section 6, and a space is reserved between the supporting end 7 and the corresponding beam 2; a polytetrafluoroethylene plate layer 9 is arranged on the top surface of the supporting end 7.
In this embodiment, the deformation joint structure is disposed at one side of a set of stiffness columns 1 corresponding to the longitudinal direction, and a set of deformation joint structures is disposed corresponding to the longitudinal direction.
In the present embodiment, a horizontal reinforcing plate 13 is provided between the upper and lower outer ring plates 4.
In this embodiment, studs 10 are arranged at intervals on the outer surface of the steel skeleton of the stiff column 1.
In this embodiment, the top surface of the upper outer ring plate 4 is flush with the top surface of the cross beam 2, and the bottom surface of the lower outer ring plate 4 is flush with the bottom surface of the cross beam 2.
In this embodiment, the distance between the lap joint end 8 and the corresponding beam connecting section 6 is 180 mm-220 mm; the distance between the supporting end 7 and the corresponding cross beam 2 is 180 mm-220 mm.
In this embodiment, the length of the overlapping portion between the overlapping end 8 and the supporting end 7 is not less than 200mm.
In this embodiment, the longitudinal sections of the overlap joint end 8 and the support joint end 7 are both in an i shape, and a horizontal stiffening plate is arranged in the middle of the beam connecting section 6 provided with the support joint end 7 and at the position corresponding to the upper flange of the support joint end 7.
In this embodiment, the front and rear sides of the outer ring plate 4 are respectively provided with a longitudinal beam connecting section 11, and the cross section of the longitudinal beam connecting section 11 is adapted to the longitudinal beam 3 and is in an i shape; the longitudinal beam connecting section 11 is connected with the longitudinal beam 3 through a steel plate and bolts; the steel plates are respectively arranged at two sides of the web plate of the longitudinal beam 3, one end of each steel plate is connected with the longitudinal beam connecting section 11 through bolts, and one end of each steel plate is connected with the longitudinal beam 3 through bolts; the upper and lower flange plates of the longitudinal beam connecting section 11 are correspondingly welded and connected with the upper and lower flange plates of the longitudinal beam 3.
In the embodiment, the web of the beam 2 positioned at the opposite side of the deformation joint structure is connected with the web of the beam connecting section 6 at the corresponding side through the connecting plate 12, and the upper and lower flange plates of the beam 2 are correspondingly butt-welded with the upper and lower flange plates of the beam connecting section 6 at the corresponding side; the two connecting plates 12 are respectively arranged on the front side and the rear side of the web plate of the beam connecting section 6 on the other side of the stiff column 1 and the web plate of the corresponding beam 2, and the connecting plates 12 are connected with the web plates on the left side and the right side through bolts.
In other embodiments, a deformation joint structure is also arranged at the connection part of the longitudinal beam 3 and the stiff column 1; the deformation joint structure is the same as that of the utility model.
Claims (6)
1. A deformation joint structure of a large-span steel frame, which is arranged on the steel frame; the steel frame comprises a stiff column (1), a cross beam (2) and a longitudinal beam (3); the deformation joint structure is arranged at the connecting position of the cross beam (2) and the stiff column (1); the method is characterized in that: an outer annular plate (4) is arranged on the steel rib of the stiffness column (1) and at the positions corresponding to the top surface and the bottom surface of the cross beam (2) respectively; vertical reinforcing plates (5) are arranged between the upper outer annular plate (4) and the lower outer annular plate at intervals along the circumferential direction; the left side and the right side of the outer ring plate (4) are respectively provided with a beam connecting section (6); the longitudinal section of the beam connecting section (6) is adapted to the longitudinal section of the beam (2) and is I-shaped; a supporting end (7) is arranged at the lower part of the end surface of the beam connecting section (6) at one side of the stiffness column (1), and a lap joint end (8) is arranged at the upper part of the end surface of the beam (2) connected with the side beam connecting section (6); the lap joint end (8) is lapped on the supporting end (7), a space is reserved between the lap joint end (8) and the corresponding beam connecting section (6), and a space is reserved between the supporting end (7) and the corresponding beam (2); the top surface of the supporting end (7) is provided with a polytetrafluoroethylene plate layer (9).
2. The deformation joint structure of a large-span steel frame according to claim 1, wherein: the deformation joint structures are arranged on one side of a group of stiffness columns (1) longitudinally corresponding to each other, and the deformation joint structures are longitudinally corresponding to each other.
3. The deformation joint structure of a large-span steel frame according to claim 1, wherein: and pegs (10) are arranged on the outer surface of the steel skeleton of the stiff column (1) at intervals.
4. The deformation joint structure of a large-span steel frame according to claim 1, wherein: the top surface of the upper outer ring plate (4) is flush with the top surface of the cross beam (2), and the bottom surface of the lower outer ring plate (4) is flush with the bottom surface of the cross beam (2).
5. The deformation joint structure of a large-span steel frame according to claim 1, wherein: the distance between the lap joint end (8) and the corresponding beam connecting section (6) is 180-220 mm; the distance between the supporting end (7) and the corresponding cross beam (2) is 180 mm-220 mm.
6. The deformation joint structure of a large-span steel frame according to claim 1, wherein: the length of the lap joint part of the lap joint end (8) and the supporting end (7) is not less than 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495716.4U CN219952230U (en) | 2023-06-13 | 2023-06-13 | Deformation joint structure of large-span steel frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321495716.4U CN219952230U (en) | 2023-06-13 | 2023-06-13 | Deformation joint structure of large-span steel frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952230U true CN219952230U (en) | 2023-11-03 |
Family
ID=88542644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321495716.4U Active CN219952230U (en) | 2023-06-13 | 2023-06-13 | Deformation joint structure of large-span steel frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952230U (en) |
-
2023
- 2023-06-13 CN CN202321495716.4U patent/CN219952230U/en active Active
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