CN216075601U - Assembled concrete column girder steel hybrid connection node - Google Patents
Assembled concrete column girder steel hybrid connection node Download PDFInfo
- Publication number
- CN216075601U CN216075601U CN202122370779.4U CN202122370779U CN216075601U CN 216075601 U CN216075601 U CN 216075601U CN 202122370779 U CN202122370779 U CN 202122370779U CN 216075601 U CN216075601 U CN 216075601U
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- China
- Prior art keywords
- connecting piece
- plate
- steel beam
- concrete column
- connection node
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 239000011178 precast concrete Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to the technical field of buildings, in particular to an assembly type concrete column and steel beam hybrid connection node. The technical scheme is as follows: the prefabricated concrete column is provided with three groups of embedded bolt rods, a web plate of the first connecting piece and a support plate of the third connecting piece are fixedly arranged on the group of embedded bolt rods positioned in the middle, the two second connecting pieces are respectively arranged on the upper side and the lower side of the first connecting piece, and connecting plates of the two second connecting pieces are respectively fixedly arranged on the other two groups of embedded bolt rods; the support plate II of the connecting piece III is connected with a beam web plate of the H-shaped steel beam through a high-strength bolt pair, an upper wing plate of the connecting piece I, an upper wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the upper portion are connected through the high-strength bolt pair, and a lower wing plate of the connecting piece I, a lower wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the lower portion are connected through the high-strength bolt pair.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to an assembly type concrete column and steel beam hybrid connection node.
Background
The fabricated building refers to a building in which each part of the building is prefabricated in advance in a factory and then transported to a construction site for assembly, and concrete pouring, welding, and the like are omitted. Fabricated buildings are more standard than fabricated on site. The mixed structure system can exert the respective advantages of concrete and steel, so that the comprehensive performance of the structure is more excellent than that of the traditional concrete structure or steel structure. Therefore, the strong column and weak beam, the strong node and weak member and the easy repair after the earthquake are easily realized.
In the traditional building, concrete and an H-shaped steel beam are connected by placing an embedded part before pouring the concrete, welding a bracket on the embedded part before mounting the steel beam, and directly connecting the bracket with the steel beam when mounting the steel beam. In actual engineering, if the span of a building is large, the requirements of strength, rigidity and the like of connection of the predesigned concrete and a steel structure are difficult to guarantee due to the limitation of manpower and sites.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled concrete column and steel beam hybrid connection node, which solves the technical problems that the connection strength of a concrete column and a steel beam is poor, the rigidity is low, the energy consumption capability is poor, the steel structure node is easy to generate brittle fracture damage under the action of an earthquake and the like.
The technical scheme of the utility model is as follows:
a fabricated concrete column steel beam hybrid connection node comprises a precast concrete column, an H-shaped steel beam, a first connecting piece, a second connecting piece, a third connecting piece and a high-strength bolt pair, wherein the precast concrete column is provided with three groups of embedded bolt rods; the support plate II of the connecting piece III is connected with a beam web plate of the H-shaped steel beam through a high-strength bolt pair, an upper wing plate of the connecting piece I, an upper wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the upper portion are connected through the high-strength bolt pair, and a lower wing plate of the connecting piece I, a lower wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the lower portion are connected through the high-strength bolt pair.
Furthermore, the fabricated concrete column and steel beam hybrid connection node is characterized in that the first connecting piece and the second connecting piece are prefabricated steel structural parts, and the third connecting piece is a prefabricated angle steel part.
Furthermore, in the fabricated concrete column and steel beam hybrid connection node, the first connecting piece is a channel-shaped piece, and the upper wing plate and the lower wing plate of the first connecting piece are respectively located at two ends of the web plate.
Furthermore, the fabricated concrete column and steel beam hybrid connection node is characterized in that a connecting plate of the second connecting piece is connected with a side plate at a right angle, and a rib plate is arranged between the connecting plate and the side plate.
Furthermore, the assembled concrete column steel beam hybrid connection node is provided with a round hole in the center of the rib plate.
Furthermore, the bottom of the embedded bolt rod is cross-shaped and is bound with a reinforcement cage of the precast concrete column.
The utility model has the beneficial effects that:
1. the force transmission path of the utility model is that vertical shearing force is born by the embedded bolt bar of the concrete column, horizontal shearing force is born by the high-strength bolt of the connecting piece II and the beam web plate of the H-shaped steel beam, bending moment is transmitted to the connecting piece II by the connecting piece I at the maximum part of the bending moment, the secondary distribution of load prevents the upper flange and the lower flange of the H-shaped steel beam from yielding too early, and when the connecting piece II is damaged by stress, the secondary use of the node can be achieved by replacing the connecting piece II.
2. The first connecting piece is installed at first in the installation process, the positioning effect of other connecting pieces is achieved, and temporary support is provided for other connecting pieces, so that the installation and the disassembly in actual engineering are simple and rapid.
3. In actual working conditions, the embedded bolt rod bears the shearing force and also bears the tilting force, so that the connecting piece II bears more tilting force than the connecting piece I and the H-shaped steel beam, and the upper flange and the lower flange of the beam are prevented from yielding to form a plastic hinge before the connecting piece II.
4. Through connecting piece one, connecting piece two, connecting piece three, pass through bolted connection with concrete column and H shaped steel roof beam and become whole to realize the rigid connection of node, avoided the brittle fracture destruction of the junction of concrete column and H shaped steel roof beam.
5. The connecting piece II is simultaneously connected with the upper flange and the lower flange of the H-shaped steel beam and the concrete column, so that the bending deformation of the beam-column joint can be effectively reduced, the buckling damage of the connecting piece and the H-shaped steel beam can be effectively reduced, and the seismic resistance and the seismic absorption performance of the node can be improved.
6. And a circular hole is formed in the center of the rib plate of the second connecting piece, so that the stress concentration phenomenon of the second connecting piece can be reduced, and the purpose of moving the plastic hinge outwards to the outside of the angle steel is achieved.
7. The connecting modes of the utility model are all bolt connection, thus improving the construction speed, being convenient and simple to install, being convenient to disassemble, replace and maintain as well, and being capable of replacing in time when any one part of the connecting piece or the bolt is damaged.
Drawings
FIG. 1 is a schematic view of a fabricated concrete column steel beam hybrid connection node;
FIG. 2 is a side view of a fabricated concrete column steel beam hybrid connection node;
FIG. 3 is a schematic view of a connector;
FIG. 4 is a schematic view of a second connecting member;
fig. 5 is a schematic view of a connector III.
Detailed Description
As shown in fig. 1-5, an assembly type concrete column steel beam hybrid connection node comprises a precast concrete column 5, an H-shaped steel beam 6, a first connecting piece 1, a second connecting piece 2, a third connecting piece 3 and a high-strength bolt pair, wherein the first connecting piece 1 and the second connecting piece 2 are precast steel structural members, and the third connecting piece 3 is a precast angle steel member; the connecting piece I1 is a channel-shaped piece, and an upper wing plate 1-1 and a lower wing plate 1-2 of the connecting piece I1 are respectively positioned at two ends of a web plate 1-3; the connecting plate 2-1 of the second connecting piece 2 is connected with the side plate 2-2 in a right angle, a rib plate 2-3 is arranged between the connecting plate 2-1 and the side plate 2-2, and a round hole is formed in the center of the rib plate 2-3. The precast concrete column 5 is provided with three groups of embedded bolt rods 4, the bottoms of the embedded bolt rods 4 are in a cross shape and are bound with a reinforcement cage of the precast concrete column 5; the web plate 1-3 of the first connecting piece 1 and the support plate 3-2 of the third connecting piece 3 are fixedly arranged on a group of embedded bolt rods 4 positioned in the middle, the two second connecting pieces 2 are respectively arranged on the upper side and the lower side of the first connecting piece 1, and the connecting plates 2-1 of the two second connecting pieces 2 are respectively fixedly arranged on the other two groups of embedded bolt rods 4; the support plate II 3-1 of the connecting piece III 3 is connected with the beam web 6-3 of the H-shaped steel beam 6 through a high-strength bolt pair, the upper wing plate 1-1 of the connecting piece I1, the upper flange 6-1 of the H-shaped steel beam 6 and the side plate 2-2 of the connecting piece II 2 positioned at the upper part are connected through a high-strength bolt pair, and the lower wing plate 1-2 of the connecting piece I1, the lower flange 6-2 of the H-shaped steel beam 6 and the side plate 2-2 of the connecting piece II 2 positioned at the lower part are connected through a high-strength bolt pair.
The installation process is as follows: firstly, mounting a first connecting piece and a third connecting piece, and then primarily screwing nuts on the precast concrete column 5 and the embedded bolt rods 4 connected with the first connecting piece and the third connecting piece, wherein the first connecting piece is an H-shaped steel beam 6 and other connecting pieces play roles in positioning bolt holes and temporarily supporting the bolt holes; then, mounting a second connecting piece, and primarily screwing a nut on the embedded bolt rod 4 on one side of the second connecting piece, which is connected with the precast concrete column 5; and then hoisting the H-shaped steel beam 6, penetrating high-strength bolts at the upper flange 6-1, the lower flange 6-2 and the beam web 6-3 of the H-shaped steel beam 6, and finally screwing all nuts.
Claims (6)
1. The fabricated concrete column steel beam hybrid connection node is characterized by comprising a prefabricated concrete column, an H-shaped steel beam, a first connecting piece, a second connecting piece, a third connecting piece and a high-strength bolt pair, wherein the prefabricated concrete column is provided with three groups of embedded bolt rods; the support plate II of the connecting piece III is connected with a beam web plate of the H-shaped steel beam through a high-strength bolt pair, an upper wing plate of the connecting piece I, an upper wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the upper portion are connected through the high-strength bolt pair, and a lower wing plate of the connecting piece I, a lower wing edge of the H-shaped steel beam and a side plate of the connecting piece II positioned on the lower portion are connected through the high-strength bolt pair.
2. The fabricated concrete column steel beam hybrid connection node of claim 1, wherein the first connecting member and the second connecting member are prefabricated steel structural members, and the third connecting member is a prefabricated angle steel member.
3. The fabricated concrete column steel beam hybrid connection node of claim 1, wherein the first connecting member is a channel-shaped member, and the upper wing plate and the lower wing plate of the first connecting member are respectively located at both ends of the web plate.
4. The fabricated concrete column steel beam hybrid connection node as claimed in claim 1, wherein the connection plate of the second connection member is connected with the side plate at a right angle, and a rib plate is arranged between the connection plate and the side plate.
5. The fabricated concrete column steel beam hybrid connection node of claim 4, wherein a circular hole is formed at the center of the rib plate.
6. The fabricated concrete column steel beam hybrid connection node as claimed in claim 1, wherein the bottom of the embedded bolt rod is cross-shaped and tied with a reinforcement cage of the precast concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370779.4U CN216075601U (en) | 2021-09-29 | 2021-09-29 | Assembled concrete column girder steel hybrid connection node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370779.4U CN216075601U (en) | 2021-09-29 | 2021-09-29 | Assembled concrete column girder steel hybrid connection node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216075601U true CN216075601U (en) | 2022-03-18 |
Family
ID=80636650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122370779.4U Expired - Fee Related CN216075601U (en) | 2021-09-29 | 2021-09-29 | Assembled concrete column girder steel hybrid connection node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216075601U (en) |
-
2021
- 2021-09-29 CN CN202122370779.4U patent/CN216075601U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20220318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |