CN211817402U - Buckling restrained steel coupling beam - Google Patents
Buckling restrained steel coupling beam Download PDFInfo
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- CN211817402U CN211817402U CN202020026013.7U CN202020026013U CN211817402U CN 211817402 U CN211817402 U CN 211817402U CN 202020026013 U CN202020026013 U CN 202020026013U CN 211817402 U CN211817402 U CN 211817402U
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Abstract
The utility model provides a buckling restrained steel is roof beam even. The steel coupling beam comprises an H-shaped steel coupling beam and a plurality of buckling restrained components. The H-shaped steel connecting beam comprises an upper flange, a lower flange and a web plate. And a plurality of buckling-restrained components are symmetrically arranged on two sides of the web plate. The buckling restrained components are arranged at intervals along the length direction of the H-shaped steel connecting beam. The buckling restrained component is only connected with the flange of the steel coupling beam, so that the problem that the welding part of the stiffening rib and the web plate of the traditional steel coupling beam is easy to tear is solved. The buckling restrained component limits the out-of-plane deformation of the web plate of the steel connecting beam, provides stable buckling restraint, enables the web plate to be stressed approximately in a plane, and further improves the ductility and energy consumption capability of the steel connecting beam under the action of an earthquake.
Description
Technical Field
The utility model relates to a building structure technical field, in particular to buckling restrained steel is roof beam even.
Background
The coupled shear wall system is used as an efficient lateral force resisting system and widely applied to high-rise building structures. The coupling beam is an important energy dissipation element in a coupled shear wall structure system under the action of an earthquake, is the first earthquake-proof fortification of a ductile shear wall structure, and the strength, the rigidity, the ductility and the energy dissipation capacity of the coupling beam have great influence on the earthquake-proof performance of the structure system. When the span-height ratio of the reinforced concrete coupling beam is less than 2.5, the reinforced concrete coupling beam is easy to shear and break, and has poor ductility and energy consumption capability. In order to overcome the defects of the reinforced concrete connecting beam, researchers at home and abroad begin to adopt the reinforced connecting beam to replace the reinforced concrete connecting beam, and a large number of theoretical and experimental researches are carried out, and the results show that: the steel coupling beam with reasonable design shows good ductility and energy consumption capability. The outside-plane elastoplasticity instability of the web of the steel connecting beam is easy to occur after shear yield, which reduces the ductility and energy consumption capability of the steel connecting beam to a certain extent. The stiffening rib is arranged on the web plate of the steel connecting beam, so that the buckling problem of the web plate can be effectively inhibited, the strength and the energy consumption capability of the steel connecting beam are improved, but the welding part of the stiffening rib and the web plate is easy to tear, and the ductility of the steel connecting beam is reduced.
In order to overcome the problem that the welding part of a stiffening rib and a web plate of a steel connecting beam is easy to tear, the technical problem to be solved by the technical personnel in the field is to provide the steel connecting beam with both ductility and energy consumption capability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-buckling restrained steel is roof beam even to solve the problem that exists among the prior art.
The technical scheme who adopts for realizing the utility model aims at so, a buckling restrained steel is even roof beam, even roof beam and a plurality of buckling restrained component are even including H shaped steel.
The H-shaped steel connecting beam comprises an upper flange, a lower flange and a web plate. And a plurality of buckling-restrained components are symmetrically arranged on two sides of the web plate.
The buckling restrained components are arranged at intervals along the length direction of the H-shaped steel connecting beam. Each buckling restrained component comprises a vertically arranged flitch and a stiffening rib. The height of the flitch is less than that of the stiffening rib. One side of the plate is attached to the web plate, and at least one stiffening rib is fixed on the other side of the plate. The stiffening ribs are perpendicular to the flitch. The upper end and the lower end of the stiffening rib are respectively fixedly connected with the upper flange and the lower flange.
Further, the H-shaped steel connecting beam is in a high-frequency welding type or a hot rolling type.
Further, the H-shaped steel connecting beam is made of low-yield-point steel, common-strength steel or high-strength steel.
Furthermore, the upper end and the lower end of the stiffening rib are respectively connected with the upper flange and the lower flange through fillet welds.
Furthermore, a stiffening rib is fixed on one side of the plate surface of the flitch. The flitch and the stiffening rib form an angle steel or a T-shaped plate.
Furthermore, two stiffening ribs are fixed on one side of the flitch plate. And the flitch and the stiffening ribs form channel steel.
The technical effects of the utility model are undoubted:
1. the buckling restrained component is only connected with the flange of the steel coupling beam, so that the problem that the welding part of the stiffening rib and the web plate of the traditional steel coupling beam is easy to tear is solved;
2. the buckling restrained component limits the out-of-plane deformation of the web plate of the steel connecting beam, provides stable buckling restraint, enables the web plate to be stressed approximately in a plane, and further improves the ductility and energy consumption capability of the steel connecting beam under the action of an earthquake.
Drawings
FIG. 1 is a schematic structural view of an anti-buckling restrained steel coupling beam;
FIG. 2 is an elevation view of an anti-buckling restrained steel coupling beam;
FIG. 3 is a sectional view taken along line A-A;
fig. 4 is a sectional view B-B.
In the figure: the structure comprises an H-shaped steel coupling beam 1, an upper flange 101, a lower flange 102, a web 103, an anti-buckling constraint component 2, a flitch 201 and a stiffening rib 202.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
referring to fig. 1 to 4, the present embodiment discloses a buckling restrained steel coupling beam, which includes an H-shaped steel coupling beam 1 and a buckling restrained component 2.
The H-shaped steel connecting beam 1 is of a shearing yield energy consumption type. The H-shaped steel coupling beam 1 is connected with the shear wall through end plates. The H-shaped steel coupling beam 1 comprises an upper flange 101, a lower flange 102 and a web plate 103. The buckling restrained components 2 are symmetrically arranged on two sides of the web plate 103.
The buckling restrained components 2 are arranged at intervals along the length direction of the H-shaped steel connecting beam 1. Each buckling-restrained constraint component 2 comprises a vertically arranged skin 201 and a stiffening rib 202. One side of the pasting board 201 is pasted on the web plate 103, and the other side is fixed with a stiffening rib 202. The stiffening ribs 202 are perpendicular to the flitch 201, and the flitch 201 and the stiffening ribs 202 form a T-shaped plate. The upper end and the lower end of the stiffening rib 202 are respectively connected with the upper flange 101 and the lower flange 102 by fillet welding. The difference between the height of the flitch plate and the height of the web plate is larger than 2 times of the size of the flange web plate leg. The width of the flitch is 3-5 times of the thickness of the flitch. The thickness of the flitch is not less than the thickness of the flange. The height of the stiffening ribs is consistent with the height of the web. The thickness of the stiffening rib is not less than the thickness of the flange.
It is worth to be noted that the flitch 201 and the web plate 102 are in surface-to-surface contact, so that a deformation mechanism of mutual dislocation and out-of-surface constraint in the flitch 201 and the web plate 102 is constructed, the steel connecting beam is prevented from buckling, and the energy consumption capability is improved.
Example 2:
the embodiment provides a basic buckling restrained steel coupling beam, which comprises an H-shaped steel coupling beam 1 and a buckling restrained part 2.
The H-shaped steel coupling beam 1 comprises an upper flange 101, a lower flange 102 and a web plate 103. The buckling restrained components 2 are symmetrically arranged on two sides of the web plate 103.
The buckling restrained components 2 are arranged at intervals along the length direction of the H-shaped steel connecting beam 1. Each buckling-restrained constraint component 2 comprises a vertically arranged skin 201 and a stiffening rib 202. The height of the flitch 201 is less than that of the stiffening ribs 202. One side of the plate 201 is attached to the web 103, and at least one stiffening rib 202 is fixed on the other side of the plate. The stiffening ribs 202 are perpendicular to the skin 201. The upper and lower ends of the stiffening rib 202 are fixedly connected with the upper flange 101 and the lower flange 102 respectively.
Example 3:
the main structure of the present embodiment is the same as that of embodiment 2, wherein the H-shaped steel coupling beam 1 is of a high-frequency welding type or a hot-rolling type.
Example 4:
the main structure of the present embodiment is the same as that of embodiment 2, wherein the H-shaped steel coupling beam 1 is made of low yield point steel, general strength steel, or high strength steel.
Example 5:
the main structure of this embodiment is the same as that of embodiment 2, wherein the upper and lower ends of the stiffening rib 202 are connected to the upper flange 101 and the lower flange 102 by fillet welds.
Example 6:
the main structure of this embodiment is the same as that of embodiment 2, wherein a stiffener 202 is fixed on one side of the flitch plate 201. The flitch 201 and the stiffening ribs 202 form an angle steel or a T-shaped plate.
Example 7:
the main structure of this embodiment is the same as that of embodiment 2, wherein two stiffening ribs 202 are fixed on one side of the flitch 201. The flitch plate 201 and the stiffening ribs 202 form a channel steel.
Claims (6)
1. The utility model provides an anti-buckling restraint steel is roof beam even which characterized in that: the anti-buckling constraint system comprises an H-shaped steel connecting beam (1) connected with a shear wall and a plurality of anti-buckling constraint components (2);
the H-shaped steel connecting beam (1) comprises an upper flange (101), a lower flange (102) and a web plate (103); a plurality of buckling-restrained restraining components (2) are symmetrically arranged on two sides of the web plate (103);
the buckling-restrained components (2) are arranged at intervals along the length direction of the H-shaped steel connecting beam (1); each buckling restrained component (2) comprises a flitch (201) and a stiffening rib (202) which are vertically arranged; the height of the flitch (201) is less than that of the stiffening rib (202); one side of the pasting plate (201) is pasted on the web plate (103), and at least one stiffening rib (202) is fixed on the other side of the pasting plate; the stiffening ribs (202) are vertical to the flitch plate (201); the upper end and the lower end of the stiffening rib (202) are respectively fixedly connected with the upper flange (101) and the lower flange (102).
2. The buckling restrained steel coupling beam of claim 1, wherein: the H-shaped steel connecting beam (1) is in a high-frequency welding type or a hot rolling type.
3. The buckling restrained steel coupling beam of claim 1, wherein: the H-shaped steel connecting beam (1) is made of low-yield-point steel, common-strength steel or high-strength steel.
4. The buckling restrained steel coupling beam of claim 1, wherein: the upper end and the lower end of the stiffening rib (202) are respectively connected with the upper flange (101) and the lower flange (102) by fillet welding.
5. The buckling restrained steel coupling beam of claim 1, wherein: a stiffening rib (202) is fixed on one side plate surface of the flitch plate (201); the flitch plate (201) and the stiffening ribs (202) form an angle steel or a T-shaped plate.
6. The buckling restrained steel coupling beam of claim 1, wherein: two stiffening ribs (202) are fixed on the surface of one side of the flitch plate (201); the flitch plate (201) and the stiffening ribs (202) form a channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026013.7U CN211817402U (en) | 2020-01-07 | 2020-01-07 | Buckling restrained steel coupling beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026013.7U CN211817402U (en) | 2020-01-07 | 2020-01-07 | Buckling restrained steel coupling beam |
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| Publication Number | Publication Date |
|---|---|
| CN211817402U true CN211817402U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020026013.7U Active CN211817402U (en) | 2020-01-07 | 2020-01-07 | Buckling restrained steel coupling beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211817402U (en) |
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2020
- 2020-01-07 CN CN202020026013.7U patent/CN211817402U/en active Active
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