CN219157991U - Concrete beam and girder steel connected node - Google Patents
Concrete beam and girder steel connected node Download PDFInfo
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- CN219157991U CN219157991U CN202320300972.7U CN202320300972U CN219157991U CN 219157991 U CN219157991 U CN 219157991U CN 202320300972 U CN202320300972 U CN 202320300972U CN 219157991 U CN219157991 U CN 219157991U
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Abstract
The utility model relates to the technical field of steel beam connection structure construction, in particular to a concrete beam and steel beam connection node, which comprises a steel skeleton beam and a steel beam, wherein a first connection plate is arranged on the steel skeleton beam, steel bar holes are formed in the first connection plate according to the arrangement of steel bars in the concrete beam structure, an embedded plate is connected to one end of the first connection plate, which is arranged outside the steel skeleton beam, and the embedded plate is arranged parallel to the steel skeleton beam; when the concrete is poured, the outer side surface of the concrete beam and the outer side surface of the embedded plate are positioned on the same vertical surface; the steel beam is connected with a second connecting plate, and one end of the second connecting plate, which is arranged outside the steel beam, is welded and fixed with the outer side surface of the embedded plate; the utility model avoids the tapping or disconnection of the pouring template, does not need secondary plugging, simplifies the supporting procedure of the pouring template, shortens the construction period and reduces the construction cost; through the embedded plate as external connected node, the embedded plate is integrated with the concrete beam, and structural strength is high and make, the cost of transportation is low.
Description
Technical Field
The utility model relates to the technical field of steel beam connection structure construction, in particular to a concrete beam and steel beam connection node.
Background
At present, the type that a steel structure and a concrete structure are combined is frequently adopted in high-rise buildings and super high-rise building structures, wherein a connecting node of a concrete beam and a steel beam is involved; in general, a connection node of a concrete beam and a steel beam is formed by arranging a connection plate or a steel bracket on a steel rib of a concrete member, after concrete is poured, a part of the connection plate or the steel bracket is exposed out of the concrete structure, and after the concrete reaches a preset strength, the steel beam is connected with the connection plate or the steel bracket; the method has the following problems that 1, the design of the connecting plate or the steel corbel is weak, the problem of insufficient structural strength is caused, so that potential safety hazards are caused, and the connecting plate or the steel corbel is inconvenient to manufacture and transport and has higher cost if being designed to be too thick; 2. because connecting plate or steel corbel are overhanging, therefore, need set up the hole on pouring the template when the concrete beam pours, the gap between hole and the connecting plate is blocked up again when pouring, pours again, and this process pours template support complex operation, easily leaks thick liquid, causes the efficiency of construction low, influences concrete pouring construction quality, extravagant pouring raw materials scheduling problem.
Disclosure of Invention
The utility model aims to solve the problems, so as to provide a concrete beam and steel beam connecting node which is convenient for binding and pouring concrete beam pouring templates.
The utility model solves the problems, and adopts the following technical scheme:
the concrete beam and steel beam connecting node comprises a steel skeleton beam and a steel beam, wherein a first connecting plate is arranged on the steel skeleton beam, reinforcing steel bar holes are formed in the first connecting plate according to the arrangement of reinforcing steel bars in the concrete beam structure, an embedded plate is connected to one end of the first connecting plate, which is arranged outside the steel skeleton beam, and the embedded plate is arranged parallel to the steel skeleton beam; when the concrete is poured, the outer side surface of the concrete beam and the outer side surface of the embedded plate are positioned on the same vertical surface; the steel beam is connected with a second connecting plate, and one end of the second connecting plate, which is externally arranged on the steel beam, is welded and fixed with the outer side surface of the embedded plate.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
according to the connecting node structure, when the concrete beam outer side is used for pouring the formwork, only the outer side surface of the embedded plate is required to be attached, so that the situation that the pouring formwork is opened or disconnected is avoided, secondary plugging is not required, the pouring formwork supporting process is simplified, the construction period is shortened, and the construction cost is reduced; meanwhile, the problem of pouring and slurry leakage is solved, and the waste of raw materials is avoided; through the embedded plate as external connected node, the embedded plate is integrated with the concrete beam, and structural strength is high and make, the cost of transportation is low.
Preferably, the utility model further adopts the technical scheme that:
the inner side surface of the embedded plate is provided with a plurality of pegs at intervals, and the pegs are perpendicular to the steel beam; through the peg, the wrapping grip between embedded plate and the concrete layer has been strengthened, the bonding force between the regional steel construction of reinforcing connected node and the concrete to make the node atress more reasonable.
The second connecting plate is connected to the web plate of the steel beam through bolts; the disassembly and the connection are convenient, and the disassembly and the connection can be performed according to the specification.
The second connecting plate is externally arranged on the steel beam, and the length of the second connecting plate is 10mm-18mm; when the concrete beam is connected with the non-vertical steel beam, the concrete beam is convenient to cut according to the connection angle, meanwhile, the concrete pouring error is convenient to eliminate, and the adaptation capability of the second connecting plate is improved.
The relation between the width W1 of the embedded plate and the width W2 of the upper flange of the steel beam is satisfied, W2 is more than or equal to 0.5 and less than or equal to W1 and less than or equal to W2; after the steel beam is connected, the embedded plate is not exposed, and the structure is more attractive.
The upper edge of the stiffening plate is welded and fixed with the upper flange of the steel rib beam, the lower edge of the stiffening plate is welded and fixed with the lower flange of the steel rib beam, and the inner side of the stiffening plate is welded and fixed with the web plate of the steel rib beam; the structural stability of the steel skeleton beam is enhanced, and the structural strength of the concrete beam is improved.
Drawings
FIG. 1 is a schematic structural view of a joint between a steel beam and a steel beam in an embodiment of the present utility model;
FIG. 2 is a schematic top view of a connection node between a steel beam and a steel skeleton beam according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a connection node between a concrete beam and a steel beam in an embodiment of the present utility model;
FIG. 4 is a schematic view of a connection node at a steel beam in an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a connection node at a steel beam in an embodiment of the present utility model.
In the figure: 1. a steel skeleton beam; 2. stiffening plates; 3. a first connection plate; 4. embedding a plate; 5. a peg; 6. a steel beam; 7. a second connecting plate; 8. a bolt; 9. anchor bars; 10. and (3) a concrete layer.
Detailed Description
The utility model is further described below in connection with the following examples which are provided for the purpose of better understanding of the present utility model and are, therefore, not to be construed as limiting the scope of the utility model.
As shown in fig. 1 to 5, a connection node of a concrete beam and a steel beam comprises a steel skeleton beam 1 and a steel beam 6, wherein a first connection plate 3 is arranged on the steel skeleton beam 1, steel bar holes are formed in the first connection plate 3 according to the arrangement of steel bars in the concrete beam structure, an embedded plate 4 is connected to one end of the first connection plate 3, which is arranged outside the steel skeleton beam 1, and the embedded plate 4 is arranged parallel to the steel skeleton beam 1; the steel beam 6 is connected with a second connecting plate 7, and one end of the second connecting plate 7, which is externally arranged on the steel beam 6, is welded and fixed with the outer side surface of the embedded plate 4; the second connecting plate 7 is connected to the web plate of the steel beam 6 through bolts 8; the relation between the width W1 of the embedded plate 4 and the width W2 of the upper flange of the steel beam 6 is satisfied, and W2 is more than or equal to 0.5 and less than or equal to W1 and less than or equal to W2.
Further, in order to enhance the binding force between the steel structure and the concrete in the connecting node area, a plurality of studs 5 are arranged on the inner side surface of the embedded plate 4 at intervals, and the studs 5 are perpendicular to the steel skeleton beam 1.
Further, the length of the second connecting plate 7 externally arranged on the steel beam 6 is 10mm-18mm; when the concrete pouring device is used, actual deviation of a concrete pouring surface occurs compared with design, the external length of the second connecting plate 7 is lengthened, and the second connecting plate 7 is positioned and cut conveniently according to actual concrete construction conditions; meanwhile, the situation that the inclined steel beam 6 needs to be connected to the concrete beam exists in construction, at the moment, the outer side face of the second connecting plate 7 only needs to be cut according to the connection angle of the second connecting plate 7 and the embedded plate 4, and the adapting force of the second connecting plate 7 is improved.
Further, in order to enhance the structural stability of the steel skeleton beam 1, a stiffening plate 2 is further arranged in the steel skeleton beam 1, the stiffening plate 2 is perpendicular to the steel skeleton beam 1, the upper edge of the stiffening plate 2 is welded and fixed with the upper flange of the steel skeleton beam 1, the lower edge of the stiffening plate 2 is welded and fixed with the lower flange of the steel skeleton beam 1, and the inner side of the stiffening plate 2 is welded and fixed with the web plate of the steel skeleton beam 1; meanwhile, in order to improve the binding force between the steel skeleton beam 1 and the concrete layer 10, a plurality of anchor bars 9 are uniformly distributed on the steel skeleton beam 1.
When the steel skeleton beam 1 is prefabricated in a factory in actual construction, a first connecting plate 3 and an embedded plate 4 are additionally arranged at a connecting node of the steel skeleton beam 1 and a steel beam 6, during site construction, the steel skeleton beam 1 is firstly installed in place, structural steel bars are bound, the intersection of the steel bars and the first connecting plate 3 is penetrated through reserved steel bar holes, a casting template is bound and fixed, concrete casting is carried out, the inner side surface of the casting template is attached to the outer side surface of the embedded plate 4, and therefore, after casting, as shown in fig. 3, the outer side surface of a concrete layer 10 and the outer side surface of the embedded plate 4 are positioned on the same vertical surface; then, according to the actual concrete construction condition and the connection angle of the second connecting plate 7 and the embedded plate 4, the second connecting plate 7 is positioned and cut, the second connecting plate 7 is fixedly connected to the web plate of the steel beam 6 through bolts 8, and finally, the second connecting plate 7 and the embedded plate 4 are fixedly welded.
The utility model avoids the tapping or breaking of the pouring template, does not need secondary plugging, simplifies the supporting procedure of the pouring template, shortens the construction period and reduces the construction cost; meanwhile, the problem of pouring and slurry leakage is solved, and the waste of raw materials is avoided; through pre-buried board 4 as external connected node, pre-buried board 4 is integrated into one piece structure with the concrete beam, and structural strength is high and make, the cost of transportation is low.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a concrete beam and girder steel connected node, includes steel skeleton roof beam (1) and girder steel (6), is equipped with first connecting plate (3), its characterized in that on steel skeleton roof beam (1):
the first connecting plate (3) is provided with reinforcing steel bar holes according to the arrangement of reinforcing steel bars in the concrete beam structure, one end of the first connecting plate (3) which is externally arranged on the steel skeleton beam (1) is connected with an embedded plate (4), and the embedded plate (4) is arranged parallel to the steel skeleton beam (1); when the concrete is poured, the outer side surface of the concrete beam and the outer side surface of the embedded plate (4) are positioned on the same vertical surface; the steel beam (6) is connected with a second connecting plate (7), and one end of the second connecting plate (7) which is externally arranged on the steel beam (6) is welded and fixed with the outer side face of the embedded plate (4).
2. The concrete beam to steel beam connection node of claim 1, wherein: the inner side surface of the embedded plate (4) is provided with a plurality of pegs (5) at intervals, and the pegs (5) are perpendicular to the steel beam (1).
3. The concrete beam to steel beam connection node of claim 1, wherein: the second connecting plate (7) is connected to the web plate of the steel beam (6) through bolts (8).
4. The concrete beam to steel beam connection node of claim 1, wherein: the second connecting plate (7) is externally arranged on the steel beam (6) and has the length of 10mm-18mm.
5. The concrete beam to steel beam connection node of claim 1, wherein: the relation between the width W1 of the embedded plate (4) and the width W2 of the upper flange of the steel beam (6) is satisfied, and W2 is more than or equal to 0.5 and less than or equal to W1 and less than or equal to W2.
6. The concrete beam to steel beam connection node of claim 1, wherein: the steel rib reinforcing plate comprises a steel rib beam (1), and is characterized by further comprising a reinforcing plate (2), wherein the upper edge of the reinforcing plate (2) is welded and fixed with the upper flange of the steel rib beam (1), the lower edge of the reinforcing plate is welded and fixed with the lower flange of the steel rib beam (1), and the inner side of the reinforcing plate (2) is welded and fixed with the web plate of the steel rib beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320300972.7U CN219157991U (en) | 2023-02-24 | 2023-02-24 | Concrete beam and girder steel connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320300972.7U CN219157991U (en) | 2023-02-24 | 2023-02-24 | Concrete beam and girder steel connected node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219157991U true CN219157991U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320300972.7U Active CN219157991U (en) | 2023-02-24 | 2023-02-24 | Concrete beam and girder steel connected node |
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| Country | Link |
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| CN (1) | CN219157991U (en) |
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- 2023-02-24 CN CN202320300972.7U patent/CN219157991U/en active Active
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