CN218813167U - Girder steel expansion joint structure - Google Patents
Girder steel expansion joint structure Download PDFInfo
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- CN218813167U CN218813167U CN202320067490.1U CN202320067490U CN218813167U CN 218813167 U CN218813167 U CN 218813167U CN 202320067490 U CN202320067490 U CN 202320067490U CN 218813167 U CN218813167 U CN 218813167U
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- steel
- expansion joint
- shaped groove
- girder steel
- corbel
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Abstract
The utility model discloses a girder steel expansion joint structure, including concrete beam and girder steel, install the steel bracket on the end shrouding of girder steel, the steel bracket with all be equipped with a U-shaped groove and two on the concrete beam the notch in U-shaped groove sets up relatively, two be equipped with the telescoping device between the U-shaped groove, telescoping device and two shaped steel just is all installed at the top in U-shaped groove be connected through flexonics spare between the shaped steel. The utility model has the advantages that: the structure is simple, and the construction is convenient; the expansion joint notch on the girder steel of cancellation has increased the space for the interior maintenance of roof beam to reducible girder steel major structure weakens, reduces the influence to the major structure atress.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge and specifically relates to a girder steel expansion joint structure.
Background
The expansion joint is an important component of a highway bridge structure, and has important significance for connecting an upper structure of the bridge, adjusting displacement caused by physical properties of the bridge structure and the like. Along with the continuous improvement of the construction level of highway bridges in China, the traffic flow and the load capacity are continuously increased, and higher requirements are put forward on the quality of the highway bridge expansion joints. The installation of beam expansion joints generally requires the top of the beam end to be provided with an expansion joint notch. The expansion joint notch is reserved through the structure on traditional girder steel expansion joint way for the roof beam, and the more structure of plate is complicated, the construction maintenance is loaded down with trivial details.
Therefore, there is a need for a steel beam expansion joint structure that can solve the above problems.
Disclosure of Invention
The utility model aims at providing a girder steel expansion joint structure according to above-mentioned prior art is not enough for through installing the steel corbel on the end shrouding at the girder steel, be used for supporting telescoping device and shaped steel, the expansion joint notch has increased the space for the interior maintenance of examining and repairing of roof beam on the cancellation girder steel, and reducible weakening to girder steel major structure reduces the major structure atress influence.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a girder steel expansion joint structure, includes concrete beam and girder steel, its characterized in that: install the steel bracket on the end shrouding of girder steel, the steel bracket with all be equipped with a U-shaped groove and two on the concrete beam the notch in U-shaped groove sets up relatively, two be equipped with the telescoping device between the U-shaped groove, telescoping device and two shaped steel is all installed at the top in U-shaped groove just be connected through flexonics spare between the shaped steel.
The concrete beam comprises a vertical structure and a horizontal structure, first connecting pieces extending outwards are embedded in the vertical structure and the horizontal structure, and the first connecting pieces on the vertical structure and the horizontal structure are connected with second connecting pieces at the side part and the bottom of a U-shaped groove on the concrete beam respectively and are connected with one another.
Concrete is poured on the horizontal structure and the top of the steel bracket.
The roof of girder steel with vertical structure's top all is equipped with the bridge deck pavement.
And an anti-cracking reinforcing mesh is arranged in the concrete.
The steel corbel comprises a corbel stiffening plate and a corbel top plate arranged at the top of the corbel stiffening plate.
The utility model has the advantages that: the structure is simple, and the construction is convenient; the expansion joint notch on the girder steel of cancellation has increased the space for the interior maintenance of roof beam to reducible girder steel major structure weakens, reduces the influence to the major structure atress.
Drawings
FIG. 1 is a structural diagram of the steel beam expansion joint structure of the present invention;
FIG. 2 is a structural view of a steel corbel of the present invention;
fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings for the understanding of those skilled in the art:
as shown in fig. 1-3, the reference numerals 1-16 in the figures are respectively represented as a concrete beam 1, a steel beam 2, a steel corbel 3, a U-shaped groove 4, a telescopic device 5, section steel 6, a flexible connecting piece 7, a first connecting piece 8, a second connecting piece 9, concrete 10, bridge deck pavement 11, an anti-cracking reinforcing mesh 12, a steel beam end sealing plate 13, a steel beam top plate 14, a corbel stiffening plate 15 and a corbel top plate 16.
Example (b): as shown in fig. 1-3, this embodiment relates to a girder steel expansion joint structure, it mainly includes concrete beam 1 (or abutment) and girder steel 2, the certain distance is separated between concrete beam 1 and the girder steel 2, concrete beam 1 comprises vertical structure and horizontal structure, the tip and the top of girder steel 2 are equipped with girder steel end shrouding 13 and girder steel roof 14 respectively, the welding has steel corbel 3 on the girder steel end shrouding 13, 3 tops of steel corbel should be higher than the horizontal structure top, steel corbel 3 comprises bracket stiffening plate 15 and the bracket roof 16 of installing at bracket stiffening plate 15 top. The notch that all is equipped with a U-shaped groove 4 and two U-shaped grooves 4 on steel corbel 3 and the concrete beam 1 sets up relatively, and two U-shaped groove 4 tops are higher than 2 tops of vertical structure and girder steel respectively, are equipped with telescoping device 5 between two U-shaped grooves 4, and the top of telescoping device 5 and two U-shaped grooves 4 is all installed and is connected through flexonics spare 7 between shaped steel 6 and the shaped steel 6. Through setting up steel corbel 3 for place U-shaped groove 4, and then support telescoping device 5 and shaped steel 6.
As shown in fig. 1, the first connecting pieces 8 extending outwards are embedded in the vertical structure and the horizontal structure of the concrete beam 1, in this embodiment, the first connecting pieces 8 are right-angled, the side parts and the bottom parts of the U-shaped groove 4 on the concrete beam 1 are provided with the second connecting pieces 9, the first connecting pieces 8 on the vertical structure and the horizontal structure are respectively connected with the side parts and the second connecting pieces 9 at the bottom parts of the U-shaped groove 4 on the concrete beam 1, and the first connecting pieces 8 are connected with each other. The first connecting piece 8 and the second connecting piece 9 are arranged for reinforcing the connection between the concrete beam 1 and the U-shaped groove 4 thereon.
As shown in fig. 1, concrete 10 is poured on the top of the horizontal structure and the top of the steel corbel 3, bridge deck pavement 11 is arranged on the top of the steel girder top plate 14 and the top of the vertical structure, and an anti-cracking reinforcing mesh 12 is arranged inside the concrete 10. In this embodiment, the top surfaces of the concrete 10 at the top of the horizontal structure, the concrete 10 at the top of the steel corbel 3, the bridge deck pavement 11 at the top of the steel beam top plate 14 and the bridge deck pavement 11 at the top of the vertical structure are flat, the concrete 10 at the top of the horizontal structure can wrap the first connecting piece 8 and the second connecting piece 9 and contact with the corresponding U-shaped groove 4, the section steel 6, the bridge deck pavement 11 and the concrete beam 1, and the concrete 10 at the top of the steel corbel 3 contacts with the corresponding U-shaped groove 4, the section steel 6, the bridge deck pavement 11 and the steel beam top plate 14; the concrete 10 at the top of the horizontal structure and the concrete 10 at the top of the steel corbel 3 are respectively provided with an anti-cracking reinforcing mesh 12 at the position close to the top surface of the horizontal structure; the concrete 10 is C50 steel fiber concrete.
The embodiment also has the following beneficial effects: the structure is simple, and the construction is convenient; the expansion joint notch on the girder steel is cancelled, and the space has been increased for the maintenance in the roof beam to reducible weakening to girder steel major structure reduces to major structure atress influence.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (6)
1. The utility model provides a girder steel expansion joint structure, includes concrete beam and girder steel, its characterized in that: install the steel corbel on the end shrouding of girder steel, the steel corbel with all be equipped with a U-shaped groove and two on the concrete beam the notch in U-shaped groove sets up relatively, two be equipped with the telescoping device between the U-shaped groove, telescoping device and two shaped steel just is all installed at the top in U-shaped groove be connected through flexonics spare between the shaped steel.
2. A steel beam expansion joint structure as claimed in claim 1, wherein: the concrete beam comprises a vertical structure and a horizontal structure, first connecting pieces extending outwards are embedded in the vertical structure and the horizontal structure, and the first connecting pieces on the vertical structure and the horizontal structure are connected with second connecting pieces at the side part and the bottom of a U-shaped groove on the concrete beam respectively and are connected with one another.
3. A steel beam expansion joint structure as claimed in claim 2, wherein: concrete is poured on the horizontal structure and the top of the steel bracket.
4. A steel beam expansion joint structure as claimed in claim 2, wherein: the roof of girder steel with vertical structure's top all is equipped with the bridge deck pavement.
5. A steel beam expansion joint structure as claimed in claim 3, wherein: and an anti-cracking reinforcing mesh is arranged in the concrete.
6. A steel beam expansion joint structure as claimed in claim 1, wherein: the steel corbel comprises a corbel stiffening plate and a corbel top plate arranged at the top of the corbel stiffening plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320067490.1U CN218813167U (en) | 2023-01-10 | 2023-01-10 | Girder steel expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320067490.1U CN218813167U (en) | 2023-01-10 | 2023-01-10 | Girder steel expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218813167U true CN218813167U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320067490.1U Active CN218813167U (en) | 2023-01-10 | 2023-01-10 | Girder steel expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218813167U (en) |
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2023
- 2023-01-10 CN CN202320067490.1U patent/CN218813167U/en active Active
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