CN217949356U - Connecting device for existing concrete column and steel beam - Google Patents
Connecting device for existing concrete column and steel beam Download PDFInfo
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- CN217949356U CN217949356U CN202221991422.6U CN202221991422U CN217949356U CN 217949356 U CN217949356 U CN 217949356U CN 202221991422 U CN202221991422 U CN 202221991422U CN 217949356 U CN217949356 U CN 217949356U
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- existing concrete
- concrete column
- short beam
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Abstract
A connection device for an existing concrete column and steel beam, comprising: the end steel plate, the I-shaped steel short beam, the back fixing short beam and the connecting piece are arranged on the end steel plate, the back fixing short beam supports against two opposite side faces of the existing concrete column respectively, the end steel plate and the back fixing short beam are connected and fastened through the connecting piece, and the I-shaped steel short beam is arranged on the end steel plate. The application provides a pair of a connecting device for existing concrete column and girder steel simple manufacture, construction convenience forms the staple bolt through the screw rod between the fixed girder steel in tip steel sheet and the back, and the technique is reliable, and the security is high, and is little to the original structure influence, is applicable to the new girder steel that adds of different connected modes and is connected with the concrete column.
Description
Technical Field
The utility model belongs to the technical field of building structure component, concretely relates to a connecting device for be used for existing concrete column and girder steel.
Background
Along with the development process of city updating in China, the old existing buildings are increasingly transformed. In order to avoid the influence on the use function of the existing building, the improved structure usually adopts a steel structure to facilitate construction, so that the connection between the steel structure and the existing concrete structure is very important.
The newly-added steel beam and the existing concrete are connected by adopting an anchor bolt and anchor plate mode, the bending moment of the steel beam is converted into the tension or pressure of the anchor bolt, a post-anchoring technology is adopted between the anchor bolt and the existing concrete column, the anchor bolt and the existing concrete column are connected by adopting a bar planting mode, the bar planting glue is generally organic structural glue, and the defects of poor durability, high requirement on the strength of the existing concrete base material and the like exist.
SUMMERY OF THE UTILITY MODEL
The application provides a connecting device for existing concrete column and girder steel includes: the end steel plate, the I-shaped steel short beam, the back fixing short beam and the connecting piece are arranged on the end steel plate, the back fixing short beam supports against two opposite side faces of the existing concrete column respectively, the end steel plate and the back fixing short beam are connected and fastened through the connecting piece, and the I-shaped steel short beam is arranged on the end steel plate.
Preferably, the connector comprises: the steel screw penetrates through the end steel plate and the back fixed short beam, and two ends of the steel screw are fastened by the steel nuts.
Preferably, the side surface of the end steel plate facing the existing concrete column is provided with a shear-resistant anchoring piece, and the shear-resistant anchoring piece is buried in the existing concrete column.
Preferably, the section of the end steel plate is pi-shaped.
Preferably, the end steel plate and the back fixing short beam are provided with round holes, and the steel screw penetrates into the round holes.
The application provides a pair of a connecting device for existing concrete column and girder steel simple manufacture, construction convenience forms the staple bolt through the screw rod between the fixed girder steel in tip steel sheet and the back, and the technique is reliable, and the security is high, and is little to the original structure influence, is applicable to the new girder steel that adds of different connected modes and is connected with the concrete column.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an installation schematic view of a connecting device for an existing concrete column and a steel beam provided by the present invention;
fig. 2 is the utility model provides a pair of a connecting device's for existing concrete column and girder steel local schematic diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the embodiment of the present application, as shown in fig. 1-2, the present application provides a connecting device for an existing concrete column and a steel beam, comprising: the end steel plate 1, the I-steel short beam 2, the fixed short beam 3 in back and connecting piece, wherein, the end steel plate 1 with the fixed short beam 3 in back supports two opposite side faces of existing concrete column 8 respectively tightly, and the two passes through the connecting piece is connected and fastened, the I-steel short beam 2 set up in on the end steel plate 1.
When the connecting device is used, the end steel plate 1 and the back fixing short beam 3 clamp the existing concrete column 8 together through the connecting piece, and the I-shaped steel short beam 2 is used for welding a steel beam.
In an embodiment of the present application, the connection member includes: the steel screw rod 4 runs through the end steel plate 1 and the back fixed short beam 3, and two ends of the steel screw rod 4 are fastened by the steel nut 5.
In the embodiment of the present application, the shear anchors 6 are disposed on the side of the end steel plate 1 facing the existing concrete column 8, and the shear anchors 6 are buried in the existing concrete column 8.
In the embodiment of the application, the end steel plate 1, the I-beam short beam 2 and the shear-resistant anchoring piece 6 are integrally processed and formed in a factory, during construction, firstly, the surface of an existing concrete column 8 is roughened according to the size of the end steel plate 1, a hole is drilled in the existing concrete column 8 according to the positioning of the shear-resistant anchoring piece 6 on the end steel plate 1, the end steel plate 1 is inserted into the existing concrete column 8 according to the hole-to-hole of the shear-resistant anchoring piece 6, the back-side fixed short beam 3 is installed, the end steel plate 1 and the back-side fixed short beam 3 are connected through the steel screw rod 4, the steel screw caps 5 are installed at two ends of the steel screw rod 4 for primary fastening, structural glue is pressed into a gap between the end steel plate 1 and the existing concrete column 8 for filling and compacting, the steel screw caps 5 are screwed for further fastening, and finally a new steel beam is installed on the I-beam short beam 2.
In the embodiment of the present application, the section of the end steel plate 1 is pi-shaped.
In the embodiment of the application, the end steel plate 1 and the back fixing short beam 3 are provided with round holes 7, and the steel screw rod 4 penetrates into the round holes 7.
In the embodiment of the application, the existing concrete column 8 that closely laminates of tip steel sheet 1 is arranged, and the space adopts the structure to glue the packing closely.
In the embodiment of the application, the I-shaped steel short beam 2 is connected with newly added steel Liang Shuanhan or used as a bracket support of the newly added steel beam.
In the embodiment of the present application, the steel screw 4 is a high-strength steel rod for connecting the end steel plate 1 and the back fixing short beam 3.
In the embodiment of the present application, the steel screw 4 is threaded at both ends.
In the embodiment of the present application, the steel nut 5 is used for fastening the steel screw rod 4, and applies a fastening force to the steel screw rod 4.
In the embodiment of the application, the shear-resistant anchoring piece 6 is implanted into the existing concrete column 8 and is densely filled by adopting structural adhesive
In this application embodiment, the connecting device simple manufacture that is used for existing concrete column and girder steel that this application provided, construction convenience forms the staple bolt through the screw rod between tip steel sheet and the fixed girder steel in back, and the technique is reliable, and the security is high, and is little to the primary structure influence, is applicable to different connected modes newly adds the girder steel and is connected with the concrete column.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The utility model provides a connecting device for existing concrete column and girder steel which characterized in that includes: the end steel plate, the I-shaped steel short beam, the back fixing short beam and the connecting piece are arranged on the end steel plate, the back fixing short beam supports against two opposite side faces of the existing concrete column respectively, the end steel plate and the back fixing short beam are connected and fastened through the connecting piece, and the I-shaped steel short beam is arranged on the end steel plate.
2. A connection device for existing concrete columns and steel beams according to claim 1, characterised in that the connection piece comprises: the steel screw penetrates through the end steel plate and the back fixed short beam, and two ends of the steel screw are fastened by the steel nuts.
3. The connecting device for an existing concrete column and steel beam according to claim 1, wherein the side of the end steel plate facing the existing concrete column is provided with shear anchors embedded in the existing concrete column.
4. A connection device for existing concrete columns and steel beams according to claim 1, characterised in that the end steel plates are pi-shaped in section.
5. The connecting device for the existing concrete column and steel beam as claimed in claim 2, wherein the end steel plate and the back fixing short beam are provided with round holes, and the steel screw penetrates into the round holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991422.6U CN217949356U (en) | 2022-07-31 | 2022-07-31 | Connecting device for existing concrete column and steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991422.6U CN217949356U (en) | 2022-07-31 | 2022-07-31 | Connecting device for existing concrete column and steel beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949356U true CN217949356U (en) | 2022-12-02 |
Family
ID=84224572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221991422.6U Active CN217949356U (en) | 2022-07-31 | 2022-07-31 | Connecting device for existing concrete column and steel beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217949356U (en) |
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2022
- 2022-07-31 CN CN202221991422.6U patent/CN217949356U/en active Active
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