CN221073610U - Connection structure of existing concrete column and newly-added steel member - Google Patents
Connection structure of existing concrete column and newly-added steel member Download PDFInfo
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- CN221073610U CN221073610U CN202322478282.3U CN202322478282U CN221073610U CN 221073610 U CN221073610 U CN 221073610U CN 202322478282 U CN202322478282 U CN 202322478282U CN 221073610 U CN221073610 U CN 221073610U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 118
- 239000010959 steel Substances 0.000 title claims abstract description 118
- 239000004567 concrete Substances 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 17
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to a steel structure connecting structure, in particular to a connecting structure of an existing concrete column and a newly added steel member, which comprises a concrete column, a steel member and a connector, wherein the connector is used for connecting the concrete column and the steel member; the coaming is enclosed on the outer surface of the concrete column, and the anchor bars are connected to the inner side of the coaming and are buried in the concrete column; the connecting piece is connected to the outer side of the coaming, and the steel member is connected with the connecting piece. Compared with the prior art, the utility model solves the defects that the existing concrete column is connected with the newly added steel member by adopting the rear embedded part in the prior art, a large number of embedded ribs are required to damage the node area of the original structure greatly, and the force transmission effect is poor, and realizes the connection of the existing concrete column and the newly added steel member with simple connection form and clear force transmission path.
Description
Technical Field
The utility model relates to a steel structure connecting structure, in particular to a connecting structure of an existing concrete column and a newly added steel member.
Background
The concrete column is the most basic bearing member in various engineering structures such as houses, bridges, hydraulic engineering and the like, is commonly used as a strut, a pier, a foundation column, a tower and a compression bar of a truss of a building cover, and has the advantages of firmness, durability, good fireproof performance, steel saving, low cost and the like compared with a steel structure.
At present, along with the increase of building function needs, more and more concrete structure buildings need to be built and reformed transform, because the steel construction has advantages such as dead weight is light, construction convenience, often build the structure and can adopt the steel construction additional. Therefore, in structural design, there often occurs a case where an existing concrete column is connected to a newly added steel member. In the prior art, a rear embedded part is generally adopted to connect a newly added steel member to an existing concrete column, but a large number of bars are required to be planted in the mode, so that the damage to the node area of the original structure is large, and the force transmission effect is poor; when the counterforce of the newly-added steel member is large, the stress of the connection form is difficult to meet the calculation requirement, so that the structure added by the method has the unexpected and unreliable possibility.
For example, chinese patent CN201110164708.7 discloses a joint for connecting a composite steel pipe concrete column and a steel beam, which comprises a composite steel pipe concrete column, a steel beam and a force transmission member. The force transfer component comprises an anchoring web plate, a horizontal end plate, a vertical connecting plate and a vertical rib plate; the steel beams are respectively transversely and longitudinally arranged around the compound steel tube concrete column; an anchoring web plate is welded between the inner steel pipe and the outer steel pipe and buried in concrete, and the anchoring web plate corresponds to the upper flange and the lower flange of the steel beam; the upper flange, the lower flange and the web plate of the transverse steel beam are respectively connected with a horizontal end plate, the web plate is simultaneously and fixedly connected with a connecting plate welded on the column side, and the horizontal end plate is connected with the column side; a vertical rib plate is welded on the column side in a flat manner at the position between the column and the longitudinal steel beam, which corresponds to the upper flange and the lower flange of the transverse steel beam, and the vertical rib plate extending out of the column side is fixedly connected with a horizontal end plate; the longitudinal steel beam is fixedly connected with the vertical rib plate and the column side. However, the structure is still complex, the construction difficulty is high, and the original concrete column structure is changed greatly and damaged greatly. Therefore, there is a need to provide a connection structure that is more convenient to use.
Disclosure of utility model
The utility model aims to solve at least one of the problems and provide a connecting structure of an existing concrete column and a newly-added steel member, so as to solve the defects that a large number of embedded bars are required to damage an original structure node area and the force transmission effect is poor because a rear embedded part is adopted to connect the newly-added steel member to the existing concrete column in the prior art, and realize the connection of the existing concrete column and the newly-added steel member, wherein the connection mode is simple and the force transmission path is clear.
The aim of the utility model is achieved by the following technical scheme:
The connecting structure of the existing concrete column and the newly added steel member comprises the concrete column, the steel member and a connector, wherein the connector is used for connecting the concrete column and the steel member and comprises a coaming, an anchor bar and a connecting piece;
The coaming is enclosed on the outer surface of the concrete column, and the anchor bars are connected to the inner side of the coaming and are buried in the concrete column;
The connecting piece is connected to the outer side of the coaming, and the steel member is connected with the connecting piece.
Preferably, the concrete column is a rectangular column, the coaming comprises a pair of end plates and a pair of force transmission plates, and the end plates and the force transmission plates are alternately arranged to form a coaming structure; the anchor bars are connected to the inner side of the end plate, and the connecting piece is connected to the outer side of the end plate.
Preferably, the end plate is connected to the force transfer plate by a fillet weld.
Preferably, the anchor bars are embedded into the concrete column in a bar planting mode.
Preferably, the anchor bars are arranged in one or more of rectangular, circular and quincuncial arrangements.
Preferably, the anchor bars are connected with the coaming by pressure submerged arc welding or perforation plug welding.
Preferably, the connecting piece is connected with the coaming by welding and/or screwing; the connecting piece is connected with the steel component in a welding and/or screwing mode.
Preferably, the welding comprises butt welding or fillet welding, and the screwing adopts high-strength bolt connection.
Preferably, the steel member is I-steel, channel steel, box steel, round steel pipe or steel support; the connecting piece is a connecting plate, I-steel, channel steel, box steel, round steel pipe or steel bracket; the connection is determined according to the structure of the steel member.
Preferably, the concrete column is a reinforced concrete column or a section steel concrete column.
Compared with the prior art, the utility model has the following beneficial effects:
1. The existing concrete column and the newly-added steel member are connected through the connector in a node mode, the connecting mode is simple, the force transmission path is clear, the construction is convenient, the economy is good, the connecting method can be used for connection under the condition of larger node counter force, and the defects that the existing connecting mode is larger in damage to the node area of the original structure, poor in force transmission effect and difficult in meeting calculation requirements in stress are greatly overcome.
2. The utility model is used for the converter for connecting the existing concrete column and the newly added steel member, realizes connection and force transmission by utilizing the anchor bars, the end plates, the force transmission plates and the connecting pieces, and can meet various requirements of joint rigid connection, hinge connection and the like.
3. The existing concrete column can be a reinforced concrete column and a section steel concrete column, the newly added steel member can be I-steel, channel steel, box steel, round steel pipe or steel support, and the like, and the applicability is very wide.
Drawings
FIG. 1 is a schematic elevational view of an existing concrete column connected to a newly added steel member by a connector;
FIG. 2 is a schematic cross-sectional view of a connector of the present utility model at a connection node location;
In the figure: 1-a concrete column; 2-steel member; a 3-connector; 4-anchor bars; a 5-end plate; 6, a force transmission plate; 7-connectors.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The connecting structure of the existing concrete column and the newly added steel member comprises a concrete column 1, a steel member 2 and a connector 3, wherein the connector 3 is used for connecting the concrete column 1 and the steel member 2, and the connector 3 comprises a coaming, anchor bars 4 and a connecting piece 7;
the surrounding plate is surrounded on the outer surface of the concrete column 1, and the anchor bars 4 are connected to the inner side of the surrounding plate and are buried in the concrete column 1;
The connecting piece 7 is connected to the outer side of the coaming, and the steel member 2 is connected with the connecting piece 7.
More specifically, in the present embodiment:
As shown in fig. 1, a structure for connecting an existing concrete column with a newly added steel member includes an existing concrete column 1, a steel member 2, and a connector 3. The connector 3 is arranged at the joint position of the existing concrete column 1 connected with the newly-added steel member 2 and is connected with the newly-added steel member 2, so that joint connection force transmission is realized.
The existing concrete column 1 is a rectangular column and is selected from any one of a reinforced concrete column and a section steel concrete column. The newly added steel member 2 can be any one of I-steel, channel steel, box steel, round steel pipe or steel support.
As shown in fig. 2, the connector 3 includes an anchor bar 4, a coaming (a pair of end plates 5+ a pair of force transfer plates 6) and a connecting member 7. The anchor bars 4 are buried in the existing concrete column 1, the end plates 5 are connected with the anchor bars 4 and are clung to the outer side of the existing concrete column 1, the force transfer plates 6 are clung to the outer side of the existing concrete column 1 oppositely and are connected with the oppositely arranged end plates 5, and the connecting pieces 7 are connected with the end plates 5 and are located on the outer sides of the end plates 5 and are used for connecting newly-added steel members 2.
The anchor bars 4 are arranged in the existing concrete column 1 in a bar planting mode, and the diameter, the number, the arrangement form and the bar planting depth of the anchor bars 4 are required to be determined according to calculation. The anchor bars 4 may be in a combination of one or more of rectangular arrangement, circular arrangement, quincuncial arrangement.
The connection mode of the end plate 5 and the anchor bar 4 is that one of pressure submerged arc welding or perforation plug welding is reasonably selected according to the diameter of the anchor bar 4 and the known method. The force transfer plate 5 and the end plate 6 are connected by adopting fillet weld, and are jointly enclosed on the periphery of the connecting joint of the existing concrete column 1. The thickness of the force transfer plate 5 and the thickness of the end plate 6 and the fillet weld leg size are determined according to calculation.
The outside of the end plate 5 is provided with a connecting piece 7, and the cross section form and the size of the connecting piece 7 need to be changed according to the form of the newly added steel member 2 so as to meet the connection between the two.
In one embodiment, the newly added steel member 2 is an i-steel, the connecting piece 7 is an i-steel with the same section, and the newly added steel member 2 and the connecting piece 7 are connected through a high-strength bolt.
In one embodiment, the newly added steel member 2 is a box steel, the connecting piece 7 is a box steel with the same section, and the newly added steel member 2 and the connecting piece 7 are connected through a split butt weld.
In one embodiment, the newly added steel member 2 is a steel support, the connecting piece 7 is provided as a steel bracket, and the newly added steel member 2 and the connecting piece 7 are connected through a fillet weld.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The connecting structure of the existing concrete column and the newly-added steel member comprises a concrete column (1), a steel member (2) and a connector (3), wherein the connector (3) is used for connecting the concrete column (1) and the steel member (2), and is characterized in that the connector (3) comprises a coaming, an anchor bar (4) and a connecting piece (7);
The coaming is enclosed on the outer surface of the concrete column (1), and the anchor bars (4) are connected to the inner side of the coaming and are buried in the concrete column (1);
The connecting piece (7) is connected to the outer side of the coaming, and the steel member (2) is connected with the connecting piece (7).
2. The connecting structure of the existing concrete column and the newly added steel member according to claim 1, wherein the concrete column (1) is a rectangular column, the coaming comprises a pair of end plates (5) and a pair of force transmission plates (6), and the end plates (5) and the force transmission plates (6) are alternately arranged to form a enclosing structure; the anchor bars (4) are connected to the inner side of the end plate (5), and the connecting pieces (7) are connected to the outer side of the end plate (5).
3. The structure for connecting an existing concrete column and a newly added steel member according to claim 2, wherein the end plate (5) and the force transfer plate (6) are connected by fillet welding.
4. The connecting structure of the existing concrete column and the newly added steel member according to claim 1 or 2, wherein the anchor bars (4) are embedded into the concrete column (1) in a bar planting mode.
5. The connecting structure of the existing concrete column and the newly added steel member according to claim 4, wherein the anchor bars (4) are arranged in a combination of one or more of rectangular arrangement, circular arrangement and quincuncial arrangement.
6. The connecting structure of the existing concrete column and the newly added steel member according to claim 4, wherein the anchor bar (4) is connected with the coaming by pressure submerged arc welding or perforation plug welding.
7. The connecting structure of the existing concrete column and the newly added steel member according to claim 1, wherein the connecting piece (7) is connected with the coaming by welding and/or screwing; the connecting piece (7) is connected with the steel component (2) in a welding and/or screwing mode.
8. The structure of claim 7, wherein the welding comprises butt-welding or fillet-welding, and the screwing is performed by high-strength bolts.
9. The connecting structure of the existing concrete column and the newly added steel member according to claim 8, wherein the steel member (2) is i-steel, channel steel, box steel, round steel pipe or steel support; the connecting piece (7) is a connecting plate, I-steel, channel steel, box steel, round steel pipe or steel bracket; the connection (7) is defined according to the structure of the steel component (2).
10. The connecting structure of the existing concrete column and the newly added steel member according to claim 1, wherein the concrete column (1) is a reinforced concrete column or a section steel concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478282.3U CN221073610U (en) | 2023-09-12 | 2023-09-12 | Connection structure of existing concrete column and newly-added steel member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478282.3U CN221073610U (en) | 2023-09-12 | 2023-09-12 | Connection structure of existing concrete column and newly-added steel member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221073610U true CN221073610U (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322478282.3U Active CN221073610U (en) | 2023-09-12 | 2023-09-12 | Connection structure of existing concrete column and newly-added steel member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221073610U (en) |
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2023
- 2023-09-12 CN CN202322478282.3U patent/CN221073610U/en active Active
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