CN217759375U - Double-order buckling restrained brace - Google Patents
Double-order buckling restrained brace Download PDFInfo
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- CN217759375U CN217759375U CN202221648014.0U CN202221648014U CN217759375U CN 217759375 U CN217759375 U CN 217759375U CN 202221648014 U CN202221648014 U CN 202221648014U CN 217759375 U CN217759375 U CN 217759375U
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Abstract
The utility model discloses a double-step buckling restrained brace, which comprises a buckling restrained brace component, a metal damper component and an outer sleeve component; the metal damper part is nested on the outer side surface of the end part of the buckling-restrained supporting part, and the outer sleeve part is nested on the outer side surface of the metal damper part; the metal damper component comprises an elastic section b, the elastic section b is in a square groove shape with an opening at the top, at least one energy consumption section is arranged on the side walls of two sides of the elastic section b, an elastic section c is further arranged on the elastic section b, and the elastic section c extends outwards from the side walls of two sides of the elastic section b to be in contact with the end plate a. The beneficial effects of the utility model are that: the technical scheme has two yield bearing forces, and the smaller yield bearing force can yield and consume energy under small earthquake, so that additional damping is provided for the main structure, and the main structure is more economical and safer in design under small earthquake. Under medium and large earthquakes, the larger yielding bearing capacity begins to yield and consume energy, and main structural members are protected from being damaged.
Description
Technical Field
The utility model relates to a buckling restrained brace technical field especially relates to a two-step buckling restrained brace.
Background
The buckling restrained brace can be called a buckling restrained brace or an unbonded brace. The buckling restrained brace only has the core plate connected with other components, the borne load is borne by the core plate, the outer sleeve and the filling material only restrain the core plate from buckling under compression, and the core plate can be buckled under tension and compression, so that the buckling restrained brace has excellent hysteretic performance. In an earthquake, after the core plate unit of the buckling-restrained brace is subjected to tension-compression yielding, plastic deformation can occur to consume earthquake input energy, the energy consumption capability of the core material is utilized, the damage energy consumption of the main structure body is reduced, the damage degree of a building in the earthquake is controlled, and the core plate unit of the buckling-restrained brace is very beneficial to earthquake resistance of the structure.
At present, the buckling-restrained brace only bends and consumes energy under medium and large earthquakes, only provides rigidity for a main body structure under small earthquakes, and does not consume energy in an elastic stage. Therefore, an improved technique for solving the problem in the prior art is desired.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a two-step buckling restrained brace, solves one or more among the above-mentioned prior art problem.
In order to solve the technical problem, the utility model discloses a technical scheme be: a double-step buckling restrained brace comprises a buckling restrained brace component, a metal damper component and an outer sleeve component; the metal damper part is nested on the outer side surface of the end part of the buckling-restrained supporting part, and the outer sleeve part is nested on the outer side surface of the metal damper part; the innovation points are as follows: the metal damper component comprises an elastic section b, the elastic section b is in a square groove shape with an opening at the top, at least one energy consumption section is arranged on the side walls of two sides of the elastic section b, an elastic section c is further arranged on the elastic section b, and the elastic section c extends outwards from the side walls of two sides of the elastic section b to be in contact with the end plate a.
In some embodiments, the buckling-restrained supporting component comprises a sleeve, a core material arranged in the sleeve and a restraining material for filling a gap between the sleeve and the core material, wherein both ends of the sleeve are provided with elastic sections a, the outer side of the elastic section a at one end of the sleeve is provided with an end plate a, and the outer side of the elastic section a at the other end of the sleeve is provided with an end plate b;
in some embodiments, the elastic section c passes through the lower edge of the dissipative section.
In some embodiments, the elastic section c passes through the middle of the energy dissipating section to divide the energy dissipating section into an upper part and a lower part.
The utility model has the advantages that: the technical scheme has two yield bearing forces, and the smaller yield bearing force can yield and consume energy under small earthquake, so that additional damping is provided for the main structure, and the main structure is more economical and safer in design under small earthquake. Under medium and large earthquakes, the larger yielding bearing capacity begins to yield and consume energy, and main structural members are protected from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a dual-step buckling restrained brace of the present invention.
Fig. 2 is a cross-sectional view of 1-1 of fig. 1.
Fig. 3 is a cross-sectional view of 2-2 of fig. 1.
Fig. 4 is a schematic structural diagram of a metal damper component in a first embodiment of the dual-step buckling restrained brace according to the present invention.
Fig. 5 is a cross-sectional view of 3-3 of fig. 4.
Fig. 6 is a schematic structural diagram of a metal damper component in a second embodiment of the dual-step buckling restrained brace according to the present invention.
Fig. 7 is a cross-sectional view of 4-4 of fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figure, the embodiment of the utility model provides a include:
example one
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an embodiment of the present invention includes:
a double-step buckling restrained brace comprises a buckling restrained brace component 1, a metal damper component 2 and an outer sleeve component 3; the metal damper part 2 is nested on the outer side surface of the end part of the buckling restrained supporting part 1, and the outer sleeve part 3 is nested on the outer side surface of the metal damper part 2; the buckling-restrained supporting component 1 comprises a sleeve 13, a core material 14 arranged in the sleeve 13 and a restraining material 15 used for filling a gap between the sleeve 13 and the core material 14, wherein elastic sections a10 are arranged at two ends of the sleeve 13, an end plate a11 is arranged on the outer side of the elastic section a10 at one end of the sleeve 13, and an end plate b12 is arranged on the outer side of the elastic section a10 at the other end of the sleeve 13; the metal damper component 2 comprises an elastic section b20, the elastic section b20 is in a square groove shape with an open top, at least one energy dissipation section 22 is arranged on the side walls of two sides of the elastic section b20, an elastic section c21 is further arranged on the elastic section b20, the elastic section c21 extends outwards from the side walls of two sides of the elastic section b20 to be in contact with the end plate a11, and the elastic section c21 penetrates through the lower edge of the energy dissipation section 22.
Example two
As shown in fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, the embodiment of the present invention includes:
a double-order buckling restrained brace comprises a buckling restrained brace component 1, a metal damper component 2 and an outer sleeve component 3; the metal damper part 2 is nested on the outer side surface of the end part of the buckling restrained supporting part 1, and the outer sleeve part 3 is nested on the outer side surface of the metal damper part 2; the buckling-restrained supporting component 1 comprises a sleeve 13, a core material 14 arranged in the sleeve 13 and a restraining material 15 used for filling a gap between the sleeve 13 and the core material 14, wherein elastic sections a10 are arranged at two ends of the sleeve 13, an end plate a11 is arranged on the outer side of the elastic section a10 at one end of the sleeve 13, and an end plate b12 is arranged on the outer side of the elastic section a10 at the other end of the sleeve 13; the metal damper component 2 comprises an elastic section b20, the elastic section b20 comprises a first section and a second section which are arranged on two side surfaces of the sleeve 13, at least one energy dissipation section 22 is arranged on each of the first section and the second section of the elastic section b20, an elastic section c21 is further arranged on each of the first section and the second section, the elastic section c21 extends outwards from the middle parts of the first section and the second section to be in contact with the end plate a11, and the elastic section c21 penetrates through the first section and the second section to divide the energy dissipation section 22 into an upper part and a lower part.
The first embodiment and the second embodiment both have two yield bearing forces, and the smaller yield bearing force can yield and consume energy under small earthquake, so that additional damping is provided for the main body structure, and the main body structure is more economical and safer in design under small earthquake; under medium and large earthquakes, the larger yielding bearing capacity begins to yield and consume energy, and main structural members are protected from being damaged; the buckling-restrained brace component 1 has larger yielding bearing capacity, and the core material 14 of the buckling-restrained brace component can yield and consume energy under medium and large earthquakes, so that the main body structure is protected; the damper part has smaller yield bearing capacity, and the energy consumption section 22 can yield and consume energy under small earthquake, so that additional damping is provided for the main structure, and the earthquake effect is reduced.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (4)
1. A double-step buckling restrained brace comprises a buckling restrained brace component (1), a metal damper component (2) and an outer sleeve component (3); the metal damper component (2) is nested on the outer side surface of the end part of the buckling restrained supporting component (1), and the outer sleeve component (3) is nested on the outer side surface of the metal damper component (2); the method is characterized in that: the metal damper component (2) comprises an elastic section b (20), the elastic section b (20) is in a square groove shape with an open top, the side walls of two sides of the elastic section b (20) are respectively provided with at least one energy dissipation section (22), the elastic section b (20) is also provided with an elastic section c (21), and the elastic section c (21) extends outwards from the side walls of two sides of the elastic section b (20) to be in contact with the end plate a (11).
2. The dual-step anti-buckling support according to claim 1, wherein: buckling restrained brace spare (1) includes sleeve (13), sets up core (14) in sleeve (13) and is used for filling restraint material (15) in the space between sleeve (13) and core (14), the both ends of sleeve (13) all are equipped with elastic section a (10), the outside of elastic section a (10) of sleeve (13) one end is equipped with end plate a (11), the outside of elastic section a (10) of sleeve (13) other end is equipped with end plate b (12).
3. The dual-step anti-buckling support of claim 1, wherein: the elastic section c (21) passes through the lower edge of the energy consumption section (22).
4. The dual-step anti-buckling support of claim 1, wherein: the elastic section c (21) penetrates through the middle part of the energy consumption section (22) to divide the energy consumption section (22) into an upper part and a lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221648014.0U CN217759375U (en) | 2022-06-29 | 2022-06-29 | Double-order buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221648014.0U CN217759375U (en) | 2022-06-29 | 2022-06-29 | Double-order buckling restrained brace |
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| Publication Number | Publication Date |
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| CN217759375U true CN217759375U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221648014.0U Active CN217759375U (en) | 2022-06-29 | 2022-06-29 | Double-order buckling restrained brace |
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| CN (1) | CN217759375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131631A1 (en) * | 2022-12-22 | 2024-06-27 | 中建钢构股份有限公司 | Buckling restrained brace structure and preparation method therefor |
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2022
- 2022-06-29 CN CN202221648014.0U patent/CN217759375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131631A1 (en) * | 2022-12-22 | 2024-06-27 | 中建钢构股份有限公司 | Buckling restrained brace structure and preparation method therefor |
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