CN218580847U - Mixed buckling restrained brace - Google Patents
Mixed buckling restrained brace Download PDFInfo
- Publication number
- CN218580847U CN218580847U CN202223050593.1U CN202223050593U CN218580847U CN 218580847 U CN218580847 U CN 218580847U CN 202223050593 U CN202223050593 U CN 202223050593U CN 218580847 U CN218580847 U CN 218580847U
- Authority
- CN
- China
- Prior art keywords
- buckling
- cover plate
- plate
- restrained brace
- support unit
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 19
- 230000000452 restraining effect Effects 0.000 claims 6
- 239000003351 stiffener Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 8
- 239000011229 interlayer Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a hybrid buckling restrained brace, which is obliquely arranged along the diagonal direction of a frame main body and comprises a buckling support unit and a rigid support unit which are connected with each other by a coaxial line; the first end of the buckling support unit is connected with one end of the frame main body, the second end of the buckling support unit is connected with the first end of the rigid support unit, and the second end of the rigid support unit is connected with the other end of the frame main body; the buckling support unit is detachably and fixedly connected with the rigid support unit; the utility model effectively reduces the length of the yielding section in the buckling support unit, ensures that the axial strain of the buckling support unit can be fully exerted, and improves the anti-seismic performance of the buckling restrained brace frame structure; by arranging the rigid supporting unit, the supporting rigidity is greatly improved, so that the interlayer deformation of the structure is reduced, and the post-earthquake restoration capability of the frame structure is facilitated; simple structure, workable, the efficiency of construction is high.
Description
Technical Field
The utility model belongs to the technical field of building structure, in particular to mixed bucking restraint is supported.
Background
The buckling-restrained braces (BRB) frame structure is an effective lateral force resisting system in the earthquake active area building; compared with the existing common steel supporting frame structure, the steel supporting frame structure has the advantages of stable energy consumption, high bearing capacity, good ductility and the like.
At present, through research on the existing buckling restrained brace frame structure, the frame body is damaged before the buckling restrained brace in an earthquake, and the damage mostly occurs at a column foot; meanwhile, the existing buckling restrained brace is mostly arranged along the full length of a diagonal line of the frame main body, and the axial strain of the buckling restrained brace is usually limited within 2%; before the buckling restrained brace frame structure is damaged, the excellent deformability of the core unit in the buckling restrained brace cannot be fully exerted; the buckling restrained brace frame structure has lower anti-seismic performance; in addition, after the buckling restrained brace is buckled, the axial rigidity of the buckling restrained brace is suddenly reduced, so that the lateral rigidity of the buckling restrained brace frame structure is greatly reduced, the interlayer deformation is large, and the buckling restrained brace frame structure is extremely unfavorable for post-earthquake repair.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a mix bucking restraint and support to the deformability of the bucking restraint support who solves among the current bucking restraint support frame construction can't full play, and the layer is out of shape great, and the anti-seismic performance that leads to bucking restraint support frame construction is lower, and the great technical problem of the restoration degree of difficulty after the shake.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a hybrid buckling restrained brace, which is obliquely arranged along the diagonal direction of a frame main body; the hybrid buckling restrained brace comprises a buckling bracing unit and a rigid bracing unit which are coaxially connected;
the first end of the buckling support unit is used for being connected with one end of the frame main body, the second end of the buckling support unit is connected with the first end of the rigid support unit, and the second end of the rigid support unit is used for being connected with the other end of the frame main body; the buckling support unit is detachably and fixedly connected with the rigid support unit.
Furthermore, the buckling support unit comprises a core plate, a first external constraint cover plate, a second external constraint cover plate, a first base plate, a second base plate, a plurality of first high-strength bolts and a plurality of second high-strength bolts;
the chip comprises a first non-yielding section, a yielding section and a second non-yielding section which are sequentially arranged in the axial direction, and the first base plate, the yielding section and the second base plate are positioned in the same plane; the first base plate is arranged on one side of the yield section in the long axis direction, and the second base plate is arranged on the other side of the yield section in the long axis direction; the first external constraint cover plate, the yield section and the second external constraint cover plate are sequentially arranged in parallel; wherein the first externally-constrained cover plate is positioned on one side of the plane of the yield section, and the second externally-constrained cover plate is positioned on the other side of the plane of the yield section;
one side of the first external constraint cover plate, one side of the first base plate and one side of the second external constraint cover plate are fixedly connected together through a plurality of first high-strength bolts; the other side of the first external restraint cover plate, the second base plate and the other side of the second external restraint cover plate are fixedly connected together through a plurality of second high-strength bolts.
Furthermore, a plurality of first bolt holes are formed in one side of the first outer constraint cover plate and are uniformly distributed along the long axis direction of the first outer constraint cover plate; a plurality of second bolt holes are formed in the first base plate and are uniformly distributed along the long axis direction of the first base plate; a plurality of third bolt holes are formed in one side of the second external restraint cover plate and are uniformly distributed along the long axis direction of the second external restraint cover plate;
the first bolt hole, the second bolt hole and the third bolt hole are arranged in a one-to-one correspondence mode, the first high-strength bolt penetrates through the first bolt hole, the second bolt hole and the third bolt hole in sequence, and one side of the first external constraint cover plate, one side of the first base plate and one side of the second external constraint cover plate are fixedly connected together.
Furthermore, a plurality of fourth bolt holes are formed in the other side of the first outer constraint cover plate, and are uniformly distributed along the long axis direction of the first outer constraint cover plate; a plurality of fifth bolt holes are formed in the second base plate and are uniformly distributed along the long axis direction of the second base plate; a plurality of sixth bolt holes are formed in the other side of the second external restraint cover plate and are uniformly distributed along the long axis direction of the second external restraint cover plate;
the fourth bolt hole, the fifth bolt hole and the sixth bolt hole are arranged in a one-to-one correspondence manner, and the second high-strength bolt penetrates through the fourth bolt hole, the fifth bolt hole and the sixth bolt hole in sequence to fixedly connect the other side of the first external constraint cover plate, the other side of the first base plate and the other side of the second external constraint cover plate together.
Further, the buckling-restrained brace unit further comprises a first stiffening rib and a second stiffening rib;
the first stiffening ribs are symmetrically arranged on central axes at two sides of the first non-yielding section, and the first stiffening ribs are vertically fixed with the first non-yielding section; the second stiffening ribs are symmetrically arranged on central axes at two sides of the second non-yielding section, and the second stiffening ribs and the second non-yielding section are vertically fixed.
Further, the length of the yielding segment is 30% -50% of the length of the diagonal line of the frame main body.
Furthermore, the device also comprises a first connecting end plate and a second connecting end plate which are arranged in parallel;
the first connecting end plate is vertically fixed at the second end of the buckling support unit, and the second connecting end plate is vertically fixed at the first end of the rigid support unit; the first connecting end plate and the second connecting end plate are fixedly connected together by a third high-strength bolt.
Further, the rigid supporting unit comprises a square steel pipe and an end welding plate; one end of the square steel pipe is connected with the second end of the buckling support unit, the other end of the square steel pipe is fixedly connected with one side of the end welding plate, and the other side of the end welding plate is used for being connected with the other end of the frame main body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a hybrid buckling restrained brace, which effectively reduces the length of a yielding section in a buckling braced unit by connecting the buckling braced unit with a rigid supporting unit in series, ensures that the axial strain of the buckling braced unit can be fully exerted, and improves the anti-seismic performance of a buckling restrained brace frame structure; by arranging the rigid supporting unit, backup rigidity is provided for supporting, and supporting rigidity is greatly improved so as to reduce interlayer deformation of the structure; meanwhile, the buckling support unit and the rigid support unit are detachably fixed, so that the post-earthquake restoration capability of the frame structure is facilitated; the structure is simple, the processing is easy, the plastic deformation capability of the material can be fully exerted, and the construction efficiency is high.
Furthermore, the base plates are arranged on the two sides of the core plate, and the base plates are fixed together by the external constraint cover plate, so that the rigidity of the buckling support unit is effectively improved, and the buckling section can be ensured to fully exert the plastic deformation capacity.
Furthermore, the stiffening ribs are arranged on the non-yielding sections, so that the rigidity and the strength of the non-yielding sections are effectively improved, the buckling support unit is prevented from deforming, the non-elastic deformation cannot occur on the non-yielding sections, and the stability and the reliability of a connection area are improved.
Furthermore, the length of the buckling section can be flexibly set according to the damping requirement of the structure, so that the buckling section can fully exert excellent plastic deformation and energy consumption capacity of steel in the frame structure, and the damage to the main body structure in an earthquake is reduced.
Furthermore, the rigid support unit is internally provided with a square steel pipe, so that backup rigidity is provided for supporting, and the buckling restrained support part with the reduced yield section length is beneficial to replacement of the component after the earthquake.
Drawings
Fig. 1 is a schematic perspective view of a hybrid buckling restrained brace according to the present invention;
fig. 2 is an exploded view of the hybrid buckling restrained brace of the present invention;
fig. 3 is a front view of the hybrid buckling restrained brace of the present invention;
fig. 4 is a top view of the hybrid buckling restrained brace of the present invention;
fig. 5 is a left side view of the hybrid buckling-restrained brace of the present invention;
fig. 6 is a right side view of the hybrid buckling restrained brace of the present invention;
fig. 7 is a schematic view of a connection structure between the hybrid buckling restrained brace and the frame main body according to the present invention.
The structure comprises a core plate 1, a first external constraint cover plate 2, a second external constraint cover plate 3, a first backing plate 4, a second backing plate 5, a first high-strength bolt 6, a second high-strength bolt 7, a first stiffening rib 8, a second stiffening rib 9, a square steel pipe 10, an end welding plate 11, a first connecting end plate 12, a second connecting end plate 13, a third high-strength bolt 14 and a frame body 15.
Detailed Description
In order to make the technical problem solved by the present invention, technical solution and beneficial effect are more clearly understood, and the following specific embodiments are right for the present invention to proceed further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 7, the present invention provides a hybrid buckling restrained brace, which is provided in a frame body 15 and is inclined in a diagonal direction of the frame body 15; the hybrid buckling restrained brace is combined with the frame body 15 to form a buckling restrained brace frame structure; the hybrid buckling restrained brace comprises a buckling brace unit and a rigid brace unit which are coaxially connected; the first end of the buckling supporting unit is used for being connected with one end of the frame main body 15, the second end of the buckling supporting unit is connected with the first end of the rigid supporting unit, and the second end of the rigid supporting unit is used for being connected with the other end of the frame main body 15.
In the utility model, the buckling support unit and the rigid support unit are connected by detachable and fixed connection; a first connecting end plate 12 and a second connecting end plate 13 are further arranged between the buckling support unit and the rigid support unit, and the first connecting end plate 12 and the second connecting end plate 13 are arranged in parallel; the first connecting end plate 12 is vertically fixed at the second end of the buckling-restrained brace unit, and the second connecting end plate 13 is vertically fixed at the first end of the rigid brace unit.
The first connecting end plate 12 and the second connecting end plate 13 are fixedly connected together by a third high-strength bolt 14; first threaded holes are uniformly formed in the periphery of the first connecting end plate 12, second threaded holes are uniformly formed in the periphery of the second connecting end plate 13, the first threaded holes and the second threaded holes are arranged in a one-to-one correspondence mode, and the third high-strength bolts 14 sequentially penetrate through the first threaded holes and the second threaded holes to fixedly connect the first connecting end plate 12 and the second connecting end plate 13 together.
The utility model discloses in, bucking support element, including core 1, first outer restraint apron 2, the outer restraint apron 3 of second, first backing plate 4, second backing plate 5 and a plurality of first high strength bolt 6, a plurality of second high strength bolt 7, first stiffening rib 8 and second stiffening rib 9.
The chip 1 comprises a first non-yielding section, a yielding section and a second non-yielding section which are sequentially arranged in the axial direction, and the length of the yielding section is 30% -50% of the length of a diagonal line of the frame main body 15; one end of the first non-yielding section is used for being connected with one end of the frame main body 15, the other end of the first non-yielding section is connected with one end of the yielding section, the other end of the yielding section is connected with one end of the second non-yielding section, and the other end of the second non-yielding section is vertically fixed with the first connecting end plate 12; the second non-yielding section and the first connecting end plate 12 are fixed by welding; the first base plate 4, the yielding segment and the second base plate 5 are positioned in the same plane; the first base plate 4 is arranged on one side of the yield section in the long axis direction, and the second base plate 5 is arranged on the other side of the yield section in the long axis direction; the first external constraint cover plate 2, the yield section and the second external constraint cover plate 3 are sequentially arranged in parallel; wherein, the first external constraint cover plate 2 is positioned on one side of the plane of the yielding segment, and the second external constraint cover plate 3 is positioned on the other side of the plane of the yielding segment.
One side of the first external restraint cover plate 2, one side of the first backing plate 4 and one side of the second external restraint cover plate 3 are fixedly connected together through a plurality of first high-strength bolts 6; a plurality of first bolt holes are formed in one side of the first external restraint cover plate 2 and are uniformly distributed along the long axis direction of the first external restraint cover plate 2; a plurality of second bolt holes are formed in the first base plate 4 and are uniformly distributed along the long axis direction of the first base plate 4; a plurality of third bolt holes are formed in one side of the second external restraint cover plate 3 and are uniformly distributed along the long axis direction of the second external restraint cover plate 3; the first bolt hole, the second bolt hole and the third bolt hole are arranged in a one-to-one correspondence mode, and the first high-strength bolt 6 sequentially penetrates through the first bolt hole, the second bolt hole and the third bolt hole to fixedly connect one side of the first external constraint cover plate 2 and one side of the first backing plate 4 and one side of the second external constraint cover plate 3 together.
The other side of the first external restraint cover plate 2, the second base plate 5 and the other side of the second external restraint cover plate 3 are fixedly connected together through a plurality of second high-strength bolts 7; a plurality of fourth bolt holes are formed in the other side of the first external restraint cover plate 2, and the fourth bolt holes are uniformly distributed along the long axis direction of the first external restraint cover plate 2; a plurality of fifth bolt holes are formed in the second base plate 5 and are uniformly distributed along the long axis direction of the second base plate 5; a plurality of sixth bolt holes are formed in the other side of the second external restraint cover plate 3 and are uniformly distributed along the long axis direction of the second external restraint cover plate 3; the fourth bolt hole, the fifth bolt hole and the sixth bolt hole are arranged in a one-to-one correspondence manner, and the second high-strength bolt 7 sequentially penetrates through the fourth bolt hole, the fifth bolt hole and the sixth bolt hole to fixedly connect the other side of the first external constraint cover plate 2, the first base plate 4 and the other side of the second external constraint cover plate 3 together.
The first stiffening ribs 8 are symmetrically arranged on central axes at two sides of the first non-yielding section, and the first stiffening ribs 8 are vertically fixed with the first non-yielding section; the second stiffening ribs 9 are symmetrically arranged on central axes at two sides of the second non-yielding section, and the second stiffening ribs 9 are vertically fixed with the second non-yielding section.
In the utility model, the rigid supporting unit comprises a square steel tube 10 and an end welding plate 11; one end of the square steel pipe 10 is vertically and fixedly connected with the second connecting end plate 12, the other end of the square steel pipe 10 is fixedly connected with one side of the end welding plate 11, and the other side of the end welding plate 11 is provided with a connecting lug plate for connecting with the other end of the frame main body 15; the second connecting end plate 12 and the square steel tube 10 are fixed by welding, and the square steel tube 10 and the end welding plate 11 are fixed by welding.
The design process comprises the following steps:
before the hybrid buckling restrained brace is processed and manufactured, the length of a yielding section and the section parameters of a square steel pipe need to be determined; the specific process is as follows:
and 3, calculating the maximum bearing capacity of the buckling support unit according to the design result of the buckling support unit.
And 4, determining the section size of the square steel pipe according to the maximum bearing capacity of the buckling support unit to ensure that the square steel pipe cannot be pulled to yield or cannot be pressed to buckle under the maximum bearing capacity of the buckling support unit, and obtaining the design result of the rigid support unit.
And 5, checking and calculating the bearing capacity of the hybrid buckling restrained brace according to the design result of the buckling restrained brace unit and the design result of the rigid support unit.
And (3) assembling:
hybrid buckling restrained brace, the equipment process specifically as follows:
respectively welding the first stiffening rib and the second stiffening rib on the central axis of the non-yielding sections at the two ends of the core plate; fixedly connecting a first external constraint cover plate, a first base plate and a second external constraint cover plate together through first high-strength bolts, and fixedly connecting the first external constraint cover plate, the second base plate and the second external constraint cover plate together through second high-strength bolts to obtain a buckling support unit; welding and fixing an end welding plate at one end of the square steel pipe to obtain a rigid supporting unit; welding and fixing the first connecting end plate and the end part of the second non-yielding section of the core plate, and welding and fixing the second connecting end plate on the end part of the other end of the square steel pipe; fixedly connecting the first connecting end plate and the second connecting end plate together by using a third high-strength bolt so as to fixedly connect the buckling support unit and the rigid support unit together; and finishing the assembly of the hybrid buckling restrained brace.
Compared with the traditional buckling restrained brace which is usually arranged along the diagonal line of the frame main body, the hybrid buckling restrained brace adopts the mode that the buckling restrained brace unit is connected with the rigid support unit in series, so that the length of a yielding section in the buckling restrained brace unit is reduced; the buckling support unit adopts an all-steel assembly type structure form, and the length of a yielding section in the buckling support unit is reduced, so that the buckling support unit dissipates earthquake input energy through larger yielding deformation; secondly, by introducing a square steel pipe as a rigid support unit, the design of the square steel pipe is required to meet the requirements that the buckling support unit cannot be subjected to tensile yielding or compressive buckling under the maximum expected load, and the backup rigidity is provided for the whole buckling support unit; respectively welding a connecting end plate at the connecting end of each buckling restrained brace unit and the rigid support unit and then connecting the buckling restrained braces by adopting high-strength bolts to obtain a hybrid buckling restrained brace; the defect of large interlayer deformation of the frame structure is improved while the anti-seismic performance of the buckling restrained brace frame structure is improved, so that the hybrid buckling restrained brace can be applied to the frame structure building, and the function of repairability after an earthquake is realized; the utility model discloses the characteristics of make full use of assembled structure, the job site only needs to carry out bolted connection to the mixed bucking restraint support that assembles and frame main part, produces and assembles each subassembly in the mill.
In the utility model, designers can flexibly arrange the length of the yielding section according to the damping requirement of the structure, and the superior plastic deformation and energy consumption capacity of steel are fully exerted in the buckling restrained brace frame structure, so that the damage to the main structure is reduced in the earthquake; the replaceability and operability of the buckling restrained brace units located within a limited length of the diagonal of the frame body after an earthquake is simpler than a full length heavy buckling restrained brace occupying the entire frame; the buckling support unit can provide greater rigidity for the structure due to the fact that the length of the yielding section is reduced; the length of the yield section is reduced by connecting square steel pipes in series in the buckling support unit, and the length of the buckling support unit directly influences the material quantity used in the buckling support unit, so that the construction cost is greatly saved;
the hybrid buckling restrained brace of the utility model has good bracing performance, better anti-seismic performance and replaceable performance than the traditional BRB, and good application scene; the fabricated hybrid buckling restrained brace capable of reducing the length of the yield section is adopted, so that the steel can fully exert the plastic deformation capacity of the steel, and the support rigidity is greatly improved to reduce the interlayer displacement of the structure; the square steel tube provides backup rigidity for the support, and the buckling restrained brace part for reducing the length of the yield section is beneficial to replacement of the component after the earthquake; aiming at the processing process of the hybrid buckling restrained brace, most of the procedures can be prefabricated in a factory, and the hybrid buckling restrained brace is only required to be connected with the frame main body through bolts on site, so that the construction is convenient, the construction quality can be greatly improved, the construction period is shortened, and the idea of an assembly type building is met; the steel has the advantages of few components, easy processing, simple structure and full play of the performance of steel.
The above embodiment is only one of the embodiments that can realize the technical solution of the present invention, and the scope of the present invention is not limited only by the embodiment, but also includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention.
Claims (8)
1. A hybrid buckling-restrained brace, characterized in that the hybrid buckling-restrained brace is disposed obliquely in a diagonal direction of a frame body (15); the hybrid buckling restrained brace comprises a buckling bracing unit and a rigid bracing unit which are coaxially connected;
the first end of the buckling supporting unit is used for being connected with one end of the frame main body (15), the second end of the buckling supporting unit is connected with the first end of the rigid supporting unit, and the second end of the rigid supporting unit is used for being connected with the other end of the frame main body (15); the buckling support unit is detachably and fixedly connected with the rigid support unit.
2. The hybrid buckling-restrained brace according to claim 1, wherein the buckling-restrained brace unit comprises a core plate (1), a first outer restraining cover plate (2), a second outer restraining cover plate (3), a first base plate (4), a second base plate (5), a plurality of first high-strength bolts (6) and a plurality of second high-strength bolts (7);
the core plate (1) comprises a first non-yielding section, a yielding section and a second non-yielding section which are sequentially arranged in the axial direction, and the first base plate (4), the yielding section and the second base plate (5) are positioned in the same plane; the first base plate (4) is arranged on one side of the yield section in the long axis direction, and the second base plate (5) is arranged on the other side of the yield section in the long axis direction; the first external constraint cover plate (2), the yield section and the second external constraint cover plate (3) are sequentially arranged in parallel; wherein the first external constraint cover plate (2) is positioned on one side of the plane of the yield section, and the second external constraint cover plate (3) is positioned on the other side of the plane of the yield section;
one side of the first external restraint cover plate (2), one side of the first base plate (4) and one side of the second external restraint cover plate (3) are fixedly connected together through a plurality of first high-strength bolts (6); the other side of the first external restraint cover plate (2), the second base plate (5) and the other side of the second external restraint cover plate (3) are fixedly connected together through a plurality of second high-strength bolts (7).
3. The hybrid buckling restrained brace according to claim 2, wherein a plurality of first bolt holes are formed in one side of the first outer restraining cover plate (2), and are uniformly distributed along the long axis direction of the first outer restraining cover plate (2); a plurality of second bolt holes are formed in the first base plate (4), and are uniformly distributed along the long axis direction of the first base plate (4); a plurality of third bolt holes are formed in one side of the second external restraint cover plate (3), and are uniformly distributed along the long axis direction of the second external restraint cover plate (3);
the first bolt hole, the second bolt hole and the third bolt hole are arranged in a one-to-one correspondence mode, the first high-strength bolt (6) penetrates through the first bolt hole, the second bolt hole and the third bolt hole in sequence, and one side of the first external constraint cover plate (2) and one side of the first base plate (4) and one side of the second external constraint cover plate (3) are fixedly connected together.
4. The hybrid buckling restrained brace according to claim 2, wherein a plurality of fourth bolt holes are formed in the other side of the first outer restraining cover plate (2), and are uniformly distributed along the long axis direction of the first outer restraining cover plate (2); a plurality of fifth bolt holes are formed in the second base plate (5), and are uniformly distributed along the long axis direction of the second base plate (5); a plurality of sixth bolt holes are formed in the other side of the second external restraint cover plate (3), and are uniformly distributed along the long axis direction of the second external restraint cover plate (3);
the fourth bolt hole, the fifth bolt hole and the sixth bolt hole are arranged in a one-to-one correspondence mode, and the second high-strength bolt (7) penetrates through the fourth bolt hole, the fifth bolt hole and the sixth bolt hole in sequence to fixedly connect the other side of the first external constraint cover plate (2) and the other sides of the first base plate (4) and the second external constraint cover plate (3) together.
5. A hybrid buckling-restrained brace according to claim 2, wherein the buckling-restrained brace unit further comprises a first stiffener (8) and a second stiffener (9);
the first stiffening ribs (8) are symmetrically arranged on central axes at two sides of the first non-yielding section, and the first stiffening ribs (8) are vertically fixed with the first non-yielding section; the second stiffening ribs (9) are symmetrically arranged on central axes at two sides of the second non-yielding section, and the second stiffening ribs (9) are vertically fixed with the second non-yielding section.
6. A hybrid buckling-restrained brace according to claim 2, wherein the length of the yielding section is 30-50% of the diagonal length of the frame body (15).
7. A hybrid buckling-restrained brace according to claim 1, further comprising a first connecting end plate (12) and a second connecting end plate (13) arranged in parallel;
the first connecting end plate (12) is vertically fixed at the second end of the buckling-restrained brace unit, and the second connecting end plate (13) is vertically fixed at the first end of the rigid brace unit; the first connecting end plate (12) and the second connecting end plate (13) are fixedly connected together by a third high-strength bolt (14).
8. A hybrid buckling-restrained brace according to claim 1, wherein the rigid supporting unit comprises a square steel tube (10) and an end welded plate (11); one end of the square steel pipe (10) is connected with the second end of the buckling support unit, the other end of the square steel pipe (10) is fixedly connected with one side of the end welding plate (11), and the other side of the end welding plate (11) is used for being connected with the other end of the frame main body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223050593.1U CN218580847U (en) | 2022-11-16 | 2022-11-16 | Mixed buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223050593.1U CN218580847U (en) | 2022-11-16 | 2022-11-16 | Mixed buckling restrained brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218580847U true CN218580847U (en) | 2023-03-07 |
Family
ID=85379420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223050593.1U Expired - Fee Related CN218580847U (en) | 2022-11-16 | 2022-11-16 | Mixed buckling restrained brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218580847U (en) |
-
2022
- 2022-11-16 CN CN202223050593.1U patent/CN218580847U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105256913B (en) | A kind of anti-buckling support of shape memory alloy twisted wire Self-resetting friction | |
| CN105155710B (en) | A kind of Self-resetting mild steel energy dissipation support | |
| CN203066293U (en) | Diagonal crossed stiffening steel plate shear wall with low yield point | |
| CN104895191B (en) | Steel structure anti-seismic energy consumption lateral force resisting system and design method | |
| CN106351348B (en) | A kind of assembled Self-resetting energy dissipation brace | |
| CN107816243A (en) | High-strength steel column ordinary steel joist steel support low yield point steel coupling beam can resetting structure | |
| CN112627374B (en) | Assembled pre-compaction dish spring, buckling restrained self-resetting braced system | |
| CN114482612A (en) | Combined assembly type buckling-restrained energy-dissipation supporting component | |
| CN203742019U (en) | High-strength lateral-load-resisting steel structure wall plate structure | |
| CN218580847U (en) | Mixed buckling restrained brace | |
| CN101560791A (en) | Shear wall truss hybrid type lateral resisting structure system | |
| CN213773929U (en) | Combined steel pipe support with replaceable energy consumption sections | |
| CN205637116U (en) | Tensile welding welded hollow spherical joint | |
| CN112681853A (en) | Eccentric supporting steel frame and building | |
| CN102086665A (en) | Energy-dissipation strut system consisting of energy-dissipation steel plates and inclined strut and construction method thereof | |
| CN213204451U (en) | Buckling restrained brace concrete frame structure | |
| CN214497936U (en) | Multistage inhaul cable type energy dissipation support | |
| CN114215412B (en) | Center support steel frame device with self-reset double-limb shearing energy consumption section | |
| CN111379319A (en) | Assembled light steel building anti-seismic structure and anti-seismic system | |
| CN102852249B (en) | A kind of modified Coupled Shear Wall structure | |
| CN108678216A (en) | A kind of steel frame shear wall structure | |
| CN214941324U (en) | SMA-based self-resetting assembly type steel plate shear wall | |
| CN201883563U (en) | Energy dissipation support system consisting of energy dissipation steel plate and inclined strut | |
| CN201521034U (en) | Light steel pipe net rack node member | |
| CN212026668U (en) | Assembled pure steel buckling restrained brace device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230307 |