CN213204451U - Buckling restrained brace concrete frame structure - Google Patents
Buckling restrained brace concrete frame structure Download PDFInfo
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- CN213204451U CN213204451U CN202020671630.2U CN202020671630U CN213204451U CN 213204451 U CN213204451 U CN 213204451U CN 202020671630 U CN202020671630 U CN 202020671630U CN 213204451 U CN213204451 U CN 213204451U
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- frame
- buckling restrained
- restrained brace
- gusset plate
- concrete
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Abstract
The embodiment of the utility model discloses buckling restrained brace concrete frame structure, including concrete frame, buckling restrained brace structure and gusset plate, concrete frame is the multilayer frame construction who comprises a plurality of frame roof beams and frame post, and each layer of frame construction all is provided with two buckling restrained brace structures, the gusset plate is including first gusset plate and second gusset plate, and the first frame roof beam and the frame post contained angle department that are located the below are installed through first gusset plate in every buckling restrained brace structure's below, and every buckling restrained brace structure's top is installed on the second frame roof beam that is located the top through the second gusset plate respectively, and two buckling restrained brace structures are not coincident in the mounted position on the second frame roof beam of top. The utility model discloses a buckling restrained brace has effectively improved the supporting role to the concrete frame, has guaranteed that main body frame has sufficient ductility under the great earthquake action to better exert buckling restrained brace's power consumption cushioning effect.
Description
Technical Field
The utility model relates to a pottery test piece preparation field especially relates to a buckling restrained brace concrete frame structure.
Background
As a novel structural system, the buckling-restrained brace framework structure integrates the performance advantages of a common brace framework structure and a buckling-restrained brace, overcomes the defect of buckling of the common brace under pressure, has high lateral stiffness and good anti-seismic performance, and is more and more widely applied in actual engineering.
However, most of the existing buckling restrained braces are designed aiming at a steel frame structure, the design aiming at a concrete structure is few, and the stress mechanism of a concrete material is more complex compared with that of steel. The buckling restrained brace framework structure is characterized in that the distribution of internal force of a concrete framework structure is changed, so that the stress of a concrete structural member is more complicated, and particularly, the improvement of the anti-seismic performance of the concrete framework structure becomes more important when a concrete building with higher anti-seismic capacity is needed.
The prior art needs further improvement and improvement.
Disclosure of Invention
To the technical problem, the embodiment of the utility model provides a buckling restrained brace concrete frame structure to solve the not enough problem of current concrete structure anti-seismic performance.
The embodiment of the utility model provides a pair of buckling restrained brace concrete frame structure, including concrete frame, buckling restrained brace structure and gusset plate, concrete frame is the multilayer frame construction who comprises a plurality of frame roof beams and frame post, and each layer of frame construction all is provided with two buckling restrained brace structures, the gusset plate is including first gusset plate and second gusset plate, and the first frame roof beam and the frame post contained angle department that are located the below are installed through first gusset plate to every buckling restrained brace structure's below, and every buckling restrained brace structure's top is installed on the second frame roof beam that is located the top through the second gusset plate respectively, and two buckling restrained brace structures are not coincident at the mounted position on the second frame roof beam of top.
Optionally, reserved holes are formed in the frame beams and the frame columns, connecting steel plates are connected to the reserved holes through high-strength bolts, and the gusset plates are connected with the connecting steel plates in a welded mode.
Optionally, an axial lead of the buckling restrained brace structure and a central axis of the concrete frame meet at a point.
Optionally, the buckling restrained brace structure is welded to the gusset plate.
Optionally, the buckling restrained brace structure comprises a buckling restrained brace inner core unit and a buckling restrained brace outer constraint unit, and the buckling restrained brace outer constraint unit comprises concrete located on an inner layer and a steel sleeve located on an outer layer.
Optionally, the reserved hole and the high-strength bolt are provided with a plurality of holes.
Optionally, a plurality of prestressed steel belts are arranged around the connection part of the frame beam and the frame column.
The embodiment of the utility model provides an among the technical scheme, adopt buckling restrained eccentric bracing, effectively improved the supporting role to the concrete frame, guaranteed that main body frame has sufficient ductility under great earthquake action to better exert buckling restrained bracing's power consumption cushioning effect.
Drawings
Fig. 1 is a schematic view of a preferred embodiment of a concrete frame structure for buckling restrained brace in an embodiment of the present invention.
Fig. 2 is a schematic view of another preferred embodiment of a concrete frame structure of a buckling restrained brace in the embodiment of the invention.
Fig. 3 is a schematic view of a buckling restrained brace structure in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of a buckling restrained brace concrete frame structure in an embodiment of the present invention includes a concrete frame, buckling restrained brace structures 1 and gusset plates, the concrete frame is a multi-layer frame structure composed of a plurality of frame beams (21,23) and frame columns 22, each layer of frame structure is provided with two buckling restrained brace structures 1, the gusset plates (31,32) include a first gusset plate 31 and a second gusset plate 32, a lower portion of each buckling restrained brace structure 1 is installed at a included angle between the first frame beam 23 and the frame column 22, the upper portion of each buckling restrained brace structure 1 is installed on the second frame beam 21, which is located above, through the second gusset plate 31, installation positions of the two buckling restrained brace structures 1 on the second frame beam 21 above are not overlapped, namely, the two buckling restrained brace structures are arranged in a splayed shape in the concrete frame.
As shown in fig. 3, buckling restrained brace structure 1 of this embodiment includes buckling restrained brace kernel unit 11 and buckling restrained brace external restraint unit 12, buckling restrained brace external restraint unit 12 is including being located the concrete 13 of inlayer and being located outer steel sleeve 14, steel sleeve 14 both ends are sealed with the steel sheet, and in order to make things convenient for buckling restrained brace structure to be connected with the gusset plate, steel sleeve 14 at buckling restrained brace structure both ends of this embodiment has the cross groove structure, be equipped with the cross muscle structure on the corresponding gusset plate, the cross groove structure just can joint the cross muscle structure, both easy to assemble can reach fine supporting effect again.
Referring to fig. 2 again, the frame beams (21,23) and the frame columns 22 of the present embodiment are provided with reserved tunnels 6, the reserved tunnels 6 are connected with connecting steel plates 8 through high-strength bolts 5, the gusset plates (31,32) are welded to the connecting steel plates 8, and the gusset plates (31,32) and the buckling restrained brace structure 1 are welded to each other. In order to ensure the connection stability of the connecting steel plates, the reserved hole 6 and the high-strength bolt 5 are provided with a plurality of holes.
The gusset plates (31,32) are connected with the connecting steel plates 8 on the frame beams (21,23) and the frame columns 22 through welding, the reserved hole channels 6 are connected with the connecting steel plates 8 through high-strength bolts 5, the reliability of force transmission between the buckling-restrained supporting structure and the concrete frame structure is guaranteed, and the buckling-restrained supporting can still normally work under the condition that yielding or even large plastic deformation occurs to the buckling-restrained supporting. Meanwhile, in order to avoid the unfavorable additional bending moment of the concrete frame structure caused by the axial force of the buckling-restrained supporting structure, the axial lead of the buckling-restrained supporting structure and the central axis of the concrete frame are converged at one point.
The joints of the frame beams (21,23) and the frame columns 22 are provided with a plurality of prestressed steel belts 7 in a surrounding manner, so that the connection between the frame beams and the frame columns is ensured, and the connection reliability can be ensured by increasing the number of the prestressed steel belts 7.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a buckling restrained brace concrete frame structure, a serial communication port, including concrete frame, buckling restrained brace structure and gusset plate, concrete frame is the multilayer frame construction of constituteing by a plurality of frame roof beams and frame post, and each layer of frame construction all is provided with two buckling restrained brace structures, the gusset plate is including first gusset plate and second gusset plate, and the first frame roof beam and the frame post contained angle department that are located the below are installed through first gusset plate in every buckling restrained brace structure's below, and every buckling restrained brace structure's top is installed on the second frame roof beam that is located the top through the second gusset plate respectively, and two buckling restrained brace structures do not coincide in the mounted position on the second frame roof beam of top.
2. The buckling restrained brace concrete frame structure of claim 1, wherein reserved holes are formed in the frame beams and the frame columns, connecting steel plates are connected to the reserved holes through high-strength bolts, and the gusset plates are connected with the connecting steel plates in a welded mode.
3. A buckling restrained braced concrete frame structure as claimed in claim 1, wherein the axis of the buckling restrained braced structure meets the central axis of the concrete frame at a point.
4. A concrete frame structure with buckling restrained braces as claimed in claim 1, wherein the buckling restrained brace structure is welded to a gusset plate.
5. A buckling restrained brace concrete frame structure as claimed in claim 1, wherein the buckling restrained brace structure includes a buckling restrained brace inner core unit and a buckling restrained brace outer restraining unit, the buckling restrained brace outer restraining unit including concrete at an inner layer and a steel sleeve at an outer layer.
6. The buckling-restrained brace concrete frame structure according to claim 2, wherein a plurality of the reserved holes and the high-strength bolts are provided.
7. A buckling restrained braced concrete frame structure as claimed in claim 2, wherein a plurality of prestressed steel strips are provided around the junction of the frame beams and columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020671630.2U CN213204451U (en) | 2020-04-28 | 2020-04-28 | Buckling restrained brace concrete frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020671630.2U CN213204451U (en) | 2020-04-28 | 2020-04-28 | Buckling restrained brace concrete frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213204451U true CN213204451U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020671630.2U Expired - Fee Related CN213204451U (en) | 2020-04-28 | 2020-04-28 | Buckling restrained brace concrete frame structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN213204451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898232A (en) * | 2021-09-24 | 2022-01-07 | 北京工业大学 | Reinforced concrete frame structure |
-
2020
- 2020-04-28 CN CN202020671630.2U patent/CN213204451U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898232A (en) * | 2021-09-24 | 2022-01-07 | 北京工业大学 | Reinforced concrete frame structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |