CN216713434U - Buckling restrained brace structure - Google Patents
Buckling restrained brace structure Download PDFInfo
- Publication number
- CN216713434U CN216713434U CN202123131810.5U CN202123131810U CN216713434U CN 216713434 U CN216713434 U CN 216713434U CN 202123131810 U CN202123131810 U CN 202123131810U CN 216713434 U CN216713434 U CN 216713434U
- Authority
- CN
- China
- Prior art keywords
- core material
- transition
- section
- screw thread
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The embodiment of the utility model provides a buckling restrained brace structure, which comprises a core material, a restraining component coated on the outer side of the core material, a transition connecting piece and a connecting lug plate, wherein the core material is a steel bar with a circular cross section, the outer surface of the end part of the core material is provided with a screw thread, the central part of the first end surface of the transition connecting piece is provided with a stepped blind hole with a two-section structure along the axis direction, the inner surface of the inner section of the stepped blind hole is provided with a screw thread matched with the screw thread on the outer surface of the end part of the core material, after the transition connecting piece is in threaded connection with the core material, a bonding material is filled between the outer section of the stepped blind hole and the core material, and the connecting lug plate is arranged on the transition connecting piece. According to the scheme provided by the embodiment of the utility model, the steel bar with the circular cross section is used as the core material, so that the material loss and the processing cost can be reduced; the transition connecting piece and the core material adopt a composite connecting structure of threads and bonding materials, so that the transition and connection effects on the end part of the core material can be achieved, and the mechanical property is stable and reliable.
Description
Technical Field
The utility model relates to the technical field of shock absorption, in particular to a buckling restrained brace structure.
Background
Earthquake is extremely destructive and is one of the great natural disasters threatening the safety of human life and property. In order to improve the capability of an engineering structure for resisting earthquake disasters, guarantee the life safety of people and reduce the property loss of people, effective shock absorption measures are taken and are an important development direction in the field of engineering structure disaster prevention and reduction.
One of the effective measures for improving the earthquake disaster resistance of the engineering structure is to arrange an energy consumption element in the structure to absorb and dissipate earthquake input energy, thereby reducing the earthquake damage of the main structure and ensuring the structure safety.
The buckling restrained brace structure is used as a novel energy dissipation element, and the typical structure of the buckling restrained brace structure consists of a core material for dissipating seismic energy and a restraining member for providing restraint and support for the core material; the core material and the constraint component are not bonded, so that the core material and the constraint component are ensured to work respectively, and the core material bears the axial force independently and effectively consumes energy.
In the related art, the core material is generally formed by processing a steel plate or profile steel through processes of cutting, welding and the like, in order to fully exert the energy consumption performance of the core material and avoid the adverse effect of mechanical processing on the fatigue performance of the core material, material reducing processing processes of cutting, chipping, cutting and the like need to be reused to increase section transition sections at two ends of the core material, however, a large amount of processing waste materials are generated in the processing and manufacturing process, and the cost control is not facilitated.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, embodiments of the present invention provide a buckling restrained brace structure.
The buckling restrained brace structure comprises a core material, a restraining component coated on the outer side of the core material, a transition connecting piece and a connecting lug plate, wherein the core material is a steel bar with a circular cross section, the outer surface of the end part of the core material is provided with a screw thread, the central part of the first end face of the transition connecting piece is provided with a stepped blind hole with a two-section structure along the axis direction, the inner surface of the inner section of the stepped blind hole is provided with a screw thread matched with the screw thread on the outer surface of the end part of the core material, after the transition connecting piece is in threaded connection with the core material, a bonding material is filled between the outer section of the stepped blind hole and the core material, and the connecting lug plate is arranged on the transition connecting piece.
Compared with the prior art, the utility model has the beneficial effects that: the steel bar with the circular cross section is used as a core material to replace a steel plate or section steel, so that the material loss and the processing cost caused by processing links such as cutting and the like can be reduced; the transition connecting piece and the core material adopt a composite connecting structure of threads and bonding materials, in the whole stress process, due to the bonding of the filled bonding materials and the deformation effect of the bonding materials, the stress in the core material has a gradual change process which is gradually reduced, when the force is transmitted to the position of the starting point of the threaded connection at the rear section of the transition connecting piece, the stress of the core material is reduced to an acceptable range, and the stress concentration is not obvious. Compared with pure threaded connection or welding, the brand-new force transmission mode for the buckling-restrained energy-consuming brace has higher fatigue resistance and stable and reliable mechanical property; in addition, after the buckling restrained brace is subjected to the reciprocating action of an earthquake, the bonding material can be accumulated to be damaged to a certain degree or even fail, and the core material and the transition connecting piece can be separated from each other by unscrewing the threads with a certain force so as to be convenient to disassemble and replace.
Optionally, the cross section of the transition connecting piece is circular, the outer side face of the second end of the transition connecting piece is provided with a screw thread, the connecting lug plate comprises a support and a connecting ring fixed on the support, a threaded hole is formed in the support on the side face different from the connecting ring along the axis direction, and the support is in threaded connection with the transition connecting piece.
Optionally, the cross section of the transition connecting piece is rectangular, the connecting lug plate comprises a wing plate and a web plate, one side edge of the web plate and the middle part of the wing plate are fixed to form a T-shaped structure, and one connecting lug plate is fixed to each side face of the transition connecting piece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a buckling restrained brace structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a transition piece according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first transition ear plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second transition ear plate according to an embodiment of the present invention.
The composite material comprises a core material 1, a constraint component 2, a transition connecting piece 3, a connecting lug plate 4, a stepped blind hole 5, a bonding material 6, a support 7, a connecting ring 8, a wing plate 9 and a web plate 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1, 2, 3 and 4, the buckling restrained brace structure provided by the embodiment of the utility model comprises a core material 1 and a restraining member 2 coated on the outer side of the core material 1, and further comprises a transition connecting piece 3 and a connecting lug plate 4, wherein the core material 1 is a steel bar with a circular cross section, the outer surface of the end part of the core material 1 is provided with a screw thread, the center part of the first end surface of the transition connecting piece 3 is provided with a stepped blind hole 5 with a two-section structure along the axial direction, the inner surface of the inner section of the stepped blind hole 5 is provided with a screw thread matched with the screw thread of the outer surface of the end part of the core material 1, after the transition connecting piece 3 is in threaded connection with the core material 1, a bonding material 6 is filled between the outer section of the stepped blind hole 5 and the core material, and the connecting lug plate 4 is arranged on the transition connecting piece 3.
In the implementation, the constraint member 2 can be a hollow structure, and concrete, cement mortar or high-strength grouting material and other similar materials are filled in the constraint member; the restraining member 2 can also be a round steel tube with the inner diameter 1-3mm larger than that of the steel bar and certain thickness, and the implementation mode does not need internal filling; the constraint component 2 provides constraint force perpendicular to the axial direction of the core material for the core material 1, so that the stability and the energy consumption capability of the core material 1 under the action of axial acting force are ensured; the core material 1 is made of round steel or reinforcing steel bars.
The bonding material 6 can improve the bonding capacity between the transition connecting piece 3 and the core material 1 and reduce the stress at the screw thread connection part, so that the fatigue resistance of the connection part is improved, and the bonding material can be cement-based high-strength grouting material, bar-planting glue and other materials; the length of the outer section is determined according to the fatigue resistance of the connection, and the length of the outer section can ensure that the stress of the core material at the junction of the outer section and the inner section is not greater than the limit stress meeting the specified fatigue performance of a support product when the support is subjected to the design load.
In one implementation mode, the cross section of the transition connecting piece 3 is circular, the outer side face of the second end of the transition connecting piece 3 is provided with a screw thread, the connecting lug plate 4 comprises a support 7 and a connecting ring 8 fixed on the support 7, a threaded hole is formed in the support 7 on the side face different from the connecting ring 8 along the axis direction, and the support 7 is in threaded connection with the transition connecting piece 3; in practice, the support and the connecting ring may be integrally cast.
In another implementation manner, the cross section of the transition piece 3 is rectangular, the connecting ear plate 4 includes a wing plate 9 and a web plate 10, one side of the web plate 10 and the middle of the wing plate 9 are fixed to form a T-shaped structure, one connecting ear plate 4 is fixed on each side of the transition piece 3, and in implementation, the web plate 10 is provided with a fixing hole for fixing with an engineering structure.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides an anti-buckling constraint bearing structure, including core and cladding in the restraint component in the core outside, a serial communication port, still include transition connection spare and connection otic placode, wherein, the core is the circular shape rod iron for the cross section, core tip surface is provided with the screw thread, the stairstepping blind hole of two segmentation structures is seted up along the axis direction to the first terminal surface central point of transition connection spare, be provided with the screw thread with core tip surface screw thread looks adaptation on the internal surface of stairstepping blind hole inner segment, fill bonding material between stairstepping blind hole outer segment and the core behind transition connection spare and the core threaded connection, the connection otic placode sets up on transition connection spare.
2. The buckling-restrained brace structure of claim 1, wherein the cross section of the transition piece is circular, the outer side surface of the second end of the transition piece is provided with a screw thread, the connecting lug plate comprises a support and a connecting ring fixed on the support, a threaded hole is formed in the support on the side surface different from the connecting ring along the axial direction, and the support is in threaded connection with the transition piece.
3. The buckling-restrained brace structure of claim 1, wherein the cross-section of the transition piece is rectangular, the connecting lugs comprise a wing plate and a web plate, one side of the web plate is fixed to the middle of the wing plate to form a T-shaped structure, and one connecting lug is fixed to each side of the transition piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131810.5U CN216713434U (en) | 2021-12-14 | 2021-12-14 | Buckling restrained brace structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131810.5U CN216713434U (en) | 2021-12-14 | 2021-12-14 | Buckling restrained brace structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216713434U true CN216713434U (en) | 2022-06-10 |
Family
ID=81882253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123131810.5U Active CN216713434U (en) | 2021-12-14 | 2021-12-14 | Buckling restrained brace structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216713434U (en) |
-
2021
- 2021-12-14 CN CN202123131810.5U patent/CN216713434U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106499077B (en) | Metal-rubber damper with limitation locking function and anti-buckling support combinations energy-consuming device | |
| CN109083295B (en) | Function-restorable coupled shear wall structure with replaceable parts | |
| CN206309097U (en) | The replaceable assembled buckling restrained brace of section is surrendered after one kind shake | |
| CN106760854B (en) | Rectilinear laemodipodiform pole energy consumption bar | |
| CN105714952B (en) | Bamboo shape buckling restrained brace | |
| CN211850367U (en) | High-ductility easily-repaired concrete column base node | |
| CN110468691B (en) | Replaceable assembled concrete anti-swing pier system after disaster | |
| CN103603433B (en) | A kind of steel work suspension column is from the method for attachment of drawing linkage | |
| CN105735504B (en) | Rectangle ring buckling restrained brace | |
| CN107299789B (en) | Beam end adjustable combined energy consumption connecting assembly of assembled concrete frame | |
| CN112392163A (en) | Multistage self-recovery type energy dissipation support and energy dissipation method thereof | |
| CN216713434U (en) | Buckling restrained brace structure | |
| CN109386068B (en) | Self-resetting buckling-restrained energy-dissipating support based on memory alloy | |
| CN106836927A (en) | Pole power consumption bar | |
| CN106760855B (en) | Laemodipodiform pole energy consumption bar | |
| CN114197672A (en) | Buckling restrained brace structure | |
| CN114263289A (en) | Anti-seismic component with energy consumption and bearing double functions and buffer | |
| CN107500148B (en) | Assembled concrete high-rise building tower crane energy dissipation damping attaches wall pole device | |
| CN103741830A (en) | Buckling restrained brace with staggered intersecting plates | |
| CN209854964U (en) | Bearing-energy dissipation structure with double-order yield characteristic | |
| CN210712520U (en) | Assembled buckling-restrained brace device for improving anti-seismic performance of bridge | |
| CN113338469B (en) | Assembled composite graded energy dissipation buckling restrained brace component | |
| CN206458146U (en) | Pole power consumption bar | |
| CN217105630U (en) | Anti-seismic component with energy consumption and bearing double functions and buffer | |
| CN212271289U (en) | Two-stage buckling-restrained energy dissipation support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |