CN219731682U - Steel corbel for construction of cylindrical pier cast-in-situ box girder - Google Patents
Steel corbel for construction of cylindrical pier cast-in-situ box girder Download PDFInfo
- Publication number
- CN219731682U CN219731682U CN202321007510.2U CN202321007510U CN219731682U CN 219731682 U CN219731682 U CN 219731682U CN 202321007510 U CN202321007510 U CN 202321007510U CN 219731682 U CN219731682 U CN 219731682U
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- Prior art keywords
- corbel
- plate
- steel
- bracket
- situ box
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 40
- 238000003466 welding Methods 0.000 claims description 26
- 239000011148 porous material Substances 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000009432 framing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
After the construction of the cylindrical pier cast-in-situ box girder construction steel corbels is completed, the corbels are assembled on the cylindrical pier cast-in-situ box, and in order to facilitate the corbels to be fixed on the cylindrical pier cast-in-situ box, the corbels are provided with inserting through holes and inserting waist-shaped holes, solid steel columns are inserted in the inserting through holes, screw-thread steel is inserted in the inserting waist-shaped holes, and the corbels are fixed on the cylindrical pier cast-in-situ box through the solid steel columns and the screw-thread steel.
Description
Technical Field
The utility model belongs to the technical field of corbels, and particularly relates to a steel corbel for constructing a cylindrical pier cast-in-situ box girder.
Background
The cast-in-situ box girder is a bridge upper structure which needs to be erected and constructed by a floor type full framing, the requirement on the foundation is very high by the erection and the construction of the floor type full framing, steps are required to be arranged on the mountain area with complex terrains, meanwhile, the steps also need to be protected, part of mountain areas also need to be excavated with original mountain bodies, and the mountain bodies are supported; the coastal area needs to be replaced and filled with slag, and the slag material in the coastal area is short, so that the replacement and filling are very difficult, and the foundation treatment is difficult to ensure. Therefore, the non-floor type few-bracket construction process is adopted, the treatment of the foundation is omitted, the bracket construction is not limited by areas, terrains and geology, and the bracket construction safety is ensured.
The utility model discloses a cast-in-situ box girder pre-buried bracket construction method, which comprises the following steps of: embedding a bracket embedded part at a preset position of the pier body when the pier body steel bar is installed, wherein the bracket embedded part comprises a first steel plate and a bracket fixing part welded to the first steel plate, and the bracket fixing part is welded to the pier body steel bar; exposing the first steel plate after the pier body concrete is demolished; and welding the support device to the first steel plate to form the bracket. The bridge comprises at least two brackets formed by the method, wherein a first main beam is erected on the first bracket, and a second main beam is erected on the second bracket; the first main beam and the second main beam are erected with bailey beams serving as longitudinal beams; transverse distribution beams are arranged on the Bailey beams, and cast-in-situ box beams are arranged on the transverse distribution beams; the bracket is of a common bracket structure in the market, is of a conventional bracket structure on a bridge, is only provided with a construction plane at the upper end, is unfavorable for being incapable of being used as a construction foundation under a special working condition, is mostly an embedded part, and needs to be fixed before cast-in-situ construction, and the precision of the embedded part needs to be ensured in the fixing process, so that a certain construction difficulty is increased.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the steel corbel for the cast-in-situ box girder construction of the cylindrical pier, and the corbel is supported on two sides of a bridge pier column through steel bars, so that the limitation of topography and foundation on bracket construction is effectively solved, and the safety of bracket construction is ensured.
In order to solve the technical problems, the utility model adopts the technical proposal that,
the steel corbels for the construction of the cylindrical pier cast-in-situ box girder are assembled on the cylindrical pier cast-in-situ box, the corbels are provided with inserting through holes and inserting waist-shaped holes for inserting steel bars, reinforcing structures are arranged in the corbels, and the reinforcing structures are matched with the inserting through holes and the inserting waist-shaped holes.
As a preferable scheme of the utility model, the reinforcing structure comprises pore canal reinforcing plates, and the pore canal reinforcing plates are arranged between adjacent splicing through holes and splicing waist-shaped holes.
As a preferable mode of the utility model, the reinforcing structure further comprises end reinforcing plate components, and the end reinforcing plate components are arranged on the inner walls of the upper end and the lower end of the bracket.
As a preferable scheme of the utility model, the end reinforcing plate component comprises a pore reinforcing rib plate and a bracket reinforcing rib plate, wherein the pore reinforcing rib plate is arranged at one side of the splicing waist-shaped hole, and the bracket reinforcing rib plate is connected to the splicing surface of the bracket.
As a preferable scheme of the utility model, the inserting through holes and the inserting waist-shaped holes are distributed along the middle vertical surface of the bracket.
As a preferable scheme of the utility model, the plugging through holes and the plugging waist-shaped holes are staggered.
As a preferable scheme of the utility model, the bracket comprises a bracket bottom plate, a bracket end plate and a bracket side plate which are mutually spliced, and the inserting through holes and the inserting waist-shaped holes are arranged on the bracket end plate.
As a preferable scheme of the utility model, the bracket bottom plate is provided with a first welding area and a second welding area, and the bracket end plate and the bracket side plate are fixed on the bracket bottom plate through the first welding area and the second welding area.
As a preferable scheme of the utility model, the bracket end plate is provided with a third welding area, and the bracket side plate is welded on the bracket end plate through the third welding area.
As a preferable scheme of the utility model, a solid steel column is inserted into the insertion through hole, and screw steel is inserted into the insertion waist-shaped hole.
The utility model has the beneficial effects that (1) through the arrangement of the assembled bracket, the bracket can be assembled after the construction of the cylindrical pier cast-in-situ box is completed, so that the cylindrical pier cast-in-situ box only needs to be embedded with a solid steel column and screw steel when being cast in situ, and the precision requirement of an embedded part is reduced.
(2) The bracket structure reduces the time and cost for treating the foundation of the bracket, reduces the construction safety risk, saves the bracket erection material, shortens the bracket construction time, saves the bracket cost, and effectively controls the inelastic deformation of the foundation compared with a full framing. Meanwhile, the construction quality is effectively controlled, and the construction time is shortened for the project.
Drawings
FIG. 1 is a schematic diagram of the assembly of the present ox horn.
Fig. 2 is a schematic view of the present ox horn structure.
Fig. 3 is a partial enlarged view at a.
Fig. 4 is a partial enlarged view at B.
Fig. 5 is a schematic view of fig. 2 with the bracket end plate removed.
Fig. 6 is a schematic structural view of a solid steel column.
Reference numerals: the bracket comprises bracket 1, a plugging through hole 1-1, a plugging waist-shaped hole 1-2, a pore reinforced plate 1-3, a pore reinforced rib plate 1-4, a bracket reinforced rib plate 1-5, a bracket bottom plate 1-6, a bracket end plate 1-7, a bracket side plate 1-8, a first welding area 1-9, a second welding area 1-10, a third welding area 1-11, a cylindrical pier cast-in-situ box 2, a solid steel column 3, screw steel 4 and a mounting nut 5.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
After the construction of the cylindrical pier cast-in-situ box girder construction steel corbel is completed, the corbel 1 is assembled on the cylindrical pier cast-in-situ box girder 2, in order to facilitate the fixing of the corbel 1 on the cylindrical pier cast-in-situ box girder 2, the corbel 1 is provided with a plugging through hole 1-1 and a plugging waist-shaped hole 1-2, a solid steel column 3 is plugged in the plugging through hole 1-1, a screw steel 4 is plugged in the plugging waist-shaped hole 1-2, and the corbel 1 is fixed on the cylindrical pier cast-in-situ box girder 2 through the solid steel column 3 and the screw steel 4.
The bracket 1 comprises two bracket bottom plates 1-6, two bracket end plates 1-7 and two bracket side plates 1-8, wherein the bracket bottom plates 1-6, the bracket end plates 1-7 and the bracket side plates 1-8 are mutually connected to form a rectangular bracket structure, a plurality of planes are formed on the bracket 1, so that a construction reference is conveniently provided for a special construction environment,
the inserting through holes 1-1 and the inserting waist-shaped holes 1-2 are distributed along the perpendicular bisectors of the bracket end plates 1-7, so that the inserting through holes 1-1 and the inserting waist-shaped holes 1-2 are arranged on the perpendicular bisectors of the bracket 1, and the inserting through holes 1-1 and the inserting waist-shaped holes 1-2 penetrate through the bracket end plates 1-7 on two sides of the bracket; the inserting through holes 1-1 and the inserting waist-shaped holes 1-2 are staggered.
The bracket bottom plate 1-6 is provided with a first welding area 1-9 and a second welding area 1-10, the first welding area 1-9 extends out of the bracket end plate 1-7, the second welding area 1-10 extends out of the bracket side plate 1-8, the bracket end plate 1-7 and the bracket side plate 1-8 are fixed on the bracket bottom plate 1-6 through the first welding area 1-9 and the second welding area 1-10, the bracket end plate 1-7 is provided with a third welding area 1-11, the third welding area 1-11 extends out of the bracket side plate 1-8, the bracket side plate 1-8 is welded on the bracket end plate 1-7 through the third welding area 1-11, and the bracket bottom plate 1-6, the bracket end plate 1-7 and the bracket side plate 1-8 are conveniently connected and fixed through the arrangement of three welding areas, so that the prefabrication efficiency of the bracket structure is improved.
In order to ensure the strength of the bracket 1, a reinforcing structure is arranged in the bracket 1 and is matched with the inserting through hole 1-1 and the inserting waist-shaped hole 1-2, namely, the reinforcing structure is arranged at the position between the inserting through hole 1-1 and the inserting waist-shaped hole 1-2, so that the strength of the inserting through hole 1-1 and the inserting waist-shaped hole 1-2 is increased, and the supporting capacity of the bracket 1 is improved.
The reinforcing structure comprises a pore canal reinforcing plate 1-3 and an end reinforcing plate component, wherein the pore canal reinforcing plate 1-3 is arranged between adjacent splicing through holes 1-1 and splicing waist-shaped holes 1-2, the end reinforcing plate component is arranged on the inner walls of the upper end and the lower end of the bracket 1, the strength of the middle part of the bracket 1 is reinforced through the pore canal reinforcing plate 1-3, and the strength of the upper end face and the lower end face of the bracket is increased through the end reinforcing plate component.
The end reinforcing plate component comprises a hole reinforcing rib plate 1-4 and a bracket reinforcing rib plate 1-5, wherein the hole reinforcing rib plate 1-4 is arranged on one side of the splicing waist-shaped hole 1-2, the bracket reinforcing rib plate 1-5 is connected to the splicing surface of the bracket 1, and in the embodiment, the bracket reinforcing rib plate 1-5 is arranged on the bracket side plate 1-8 in a leaning way and used for guaranteeing the strength of the bracket 1.
In the embodiment, external threads are arranged on the screw steel 4 and the solid steel column 3, and nuts 5 are arranged on the screw steel 4 and the solid steel column 3, so that the bracket 1 is fixed on the cylindrical pier cast-in-situ box 2, the screw steel 4 and the solid steel column 3 are embedded in the cylindrical pier cast-in-situ box 2, the bracket 1 is inserted on the solid steel column 3 and the screw steel 4 through the insertion through holes 1-1 and the insertion waist-shaped holes 1-2, the dead weight of the bracket 1 is applied, the clamping groove 3-1 is arranged on the solid steel column 3 on the bracket 1, the dead weight of the bracket 1 is applied, the bracket end plate 1-7 on the bracket 1 is inserted in the clamping groove 3-1, and the bracket 1 is fixed on the screw steel 4 and the solid steel column 3 through the nuts.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the drawings are used more herein, the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The steel corbel for the cast-in-situ box girder construction of the cylindrical pier is characterized in that the corbel (1) is assembled on the cast-in-situ box (2) of the cylindrical pier, the steel corbel (1) is provided with a plugging through hole (1-1) for plugging a steel rod and a plugging waist hole (1-2), a reinforcing structure is arranged in the corbel (1), and the reinforcing structure is matched with the plugging through hole (1-1) and the plugging waist hole (1-2).
2. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1, wherein the reinforcing structure comprises a pore canal reinforcing plate (1-3), and the pore canal reinforcing plate (1-3) is arranged between adjacent splicing through holes (1-1) and splicing waist holes (1-2).
3. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1, wherein the reinforcing structure further comprises end reinforcing plate assemblies which are arranged on the inner walls of the upper end and the lower end of the corbel (1).
4. A steel corbel for cast-in-situ box girder construction with a cylindrical pier according to claim 3, wherein the end reinforcing plate assembly comprises a tunnel reinforcing rib plate (1-4) and a corbel reinforcing rib plate (1-5), the tunnel reinforcing rib plate (1-4) is arranged at one side of the splicing waist-shaped hole (1-2), and the corbel reinforcing rib plate (1-5) is connected to the splicing surface of the corbel (1).
5. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1 is characterized in that the plugging through holes (1-1) and the plugging waist-shaped holes (1-2) are distributed along the middle vertical surface of the corbel (1).
6. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1 is characterized in that the splicing through holes (1-1) and the splicing waist-shaped holes (1-2) are arranged in a staggered manner.
7. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1, wherein the corbel (1) comprises a corbel bottom plate (1-6), a corbel end plate (1-7) and a corbel side plate (1-8) which are mutually spliced, and the plugging through hole (1-1) and the plugging waist-shaped hole (1-2) are arranged on the corbel end plate (1-7).
8. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 7 is characterized in that a first welding area (1-9) and a second welding area (1-10) are arranged on a corbel base plate (1-6), and a corbel end plate (1-7) and a corbel side plate (1-8) are fixed on the corbel base plate (1-6) through the first welding area (1-9) and the second welding area (1-10).
9. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 7, wherein a third welding area (1-11) is arranged on the corbel end plate (1-7), and the corbel side plate (1-8) is welded on the corbel end plate (1-7) through the third welding area (1-11).
10. The steel corbel for constructing the cylindrical pier cast-in-situ box girder according to claim 1 is characterized in that a solid steel column is inserted in the insertion through hole (1-1), and screw steel is inserted in the insertion waist-shaped hole (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007510.2U CN219731682U (en) | 2023-04-28 | 2023-04-28 | Steel corbel for construction of cylindrical pier cast-in-situ box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007510.2U CN219731682U (en) | 2023-04-28 | 2023-04-28 | Steel corbel for construction of cylindrical pier cast-in-situ box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219731682U true CN219731682U (en) | 2023-09-22 |
Family
ID=88051649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007510.2U Active CN219731682U (en) | 2023-04-28 | 2023-04-28 | Steel corbel for construction of cylindrical pier cast-in-situ box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219731682U (en) |
-
2023
- 2023-04-28 CN CN202321007510.2U patent/CN219731682U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |