CN220888335U - Reinforced concrete cast-in-situ bridge plate structure - Google Patents
Reinforced concrete cast-in-situ bridge plate structure Download PDFInfo
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- CN220888335U CN220888335U CN202322668471.7U CN202322668471U CN220888335U CN 220888335 U CN220888335 U CN 220888335U CN 202322668471 U CN202322668471 U CN 202322668471U CN 220888335 U CN220888335 U CN 220888335U
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- steel plate
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- reinforced concrete
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 155
- 239000010959 steel Substances 0.000 claims abstract description 155
- 238000005192 partition Methods 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 5
- 238000009415 formwork Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The application relates to the technical field of bridge construction, and provides a reinforced concrete cast-in-situ bridge slab structure, which comprises a first steel plate, a steel coaming, a steel partition plate and a steel bar frame; the first steel plate is connected to a longitudinal girder of the bridge, and a plurality of shear nails are connected to the surface, away from the longitudinal girder, of the first steel plate; the steel coaming is connected to the surface of the first steel plate, which faces away from the longitudinal girder, and is circumferentially arranged along the first steel plate, and the steel coaming is enclosed to form a pouring area; the steel partition plates are arranged above the first steel plate, a plurality of steel partition plates are arranged, and the pouring areas are divided into a plurality of pouring units by the steel partition plates; the steel bar frame is located in the pouring area. The application has the effect of realizing green construction without dismantling the template after the construction is completed.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a reinforced concrete cast-in-situ bridge slab structure.
Background
Compared with the prefabricated bridge slab, the cast-in-situ bridge slab has the advantages of good bridge integrity, stable and reliable construction and no need of large hoisting equipment.
The construction of the cast-in-situ bridge generally comprises the processes of formwork supporting, concrete pouring, maintenance and the like, after the maintenance is completed, the formwork is repeatedly utilized, the formwork is also required to be removed to realize green construction, and the formwork removing process consumes more manpower. Therefore, a reinforced concrete cast-in-situ bridge slab structure is needed, and green construction is realized without dismantling templates after construction is completed.
Disclosure of utility model
The application provides a reinforced concrete cast-in-situ bridge plate structure, which aims to realize green construction without dismantling a template after construction is completed.
The application provides a reinforced concrete cast-in-situ bridge plate structure, which adopts the following technical scheme:
A reinforced concrete cast-in-situ bridge plate structure comprises a first steel plate, a steel coaming, a steel partition plate and a reinforced bar frame; the first steel plate is connected to a longitudinal girder of the bridge, and a plurality of shear nails are connected to the surface, away from the longitudinal girder, of the first steel plate; the steel coaming is connected to the surface of the first steel plate, which faces away from the longitudinal girder, and is circumferentially arranged along the first steel plate, and the steel coaming is enclosed to form a pouring area; the steel partition plates are arranged above the first steel plate, a plurality of steel partition plates are arranged, and the pouring areas are divided into a plurality of pouring units by the steel partition plates; the steel bar frame is located in the pouring area.
By adopting the technical scheme, during construction, a first steel plate is connected with a longitudinal girder, then a steel coaming is connected with the first steel plate, a casting area is formed by enclosing the steel coaming, a steel partition plate and a steel bar frame are added in the casting area, and then concrete is cast into each casting unit to form a stable bridge plate structure; after the bridge plate structure is constructed, a first steel plate, a steel partition plate and a steel coaming which are used as templates form a part of the bridge plate structure, the bridge plate structure does not need to be dismantled, and meanwhile green construction is achieved.
Optionally, the device further comprises a second steel plate, wherein the second steel plate is welded and fixed with the shear nails, and the shear nails penetrate through the second steel plate; the second steel plate is provided with a plurality of through holes for passing through the concrete.
Through adopting above-mentioned technical scheme, utilize shear force nail to establish the connection between first steel sheet and second steel sheet, afterwards follow and pour into the concrete into between first steel sheet and the second steel sheet into through hole to increase the joint strength of concrete and first steel sheet and second steel sheet.
Optionally, the reinforcement frame includes a first frame, the first frame is located between the first steel sheet and the second steel sheet, the first frame is used for supplying the second steel sheet butt.
By adopting the technical scheme, the first frame is utilized to increase the concrete strength between the first steel plate and the second steel plate.
Optionally, the reinforcement rack further includes a plurality of reinforcement cages, a plurality of the reinforcement cages and a plurality of the pouring units are in one-to-one correspondence, and the reinforcement cages are located in the pouring units.
By adopting the technical scheme, the structural strength of the concrete in the pouring unit is increased.
Optionally, the reinforcement rack further includes a plurality of second racks, the plurality of second racks are in one-to-one correspondence with the plurality of pouring units, and the second racks are located in the pouring units.
By adopting the technical scheme, the structural strength of the concrete in the pouring unit is increased.
Optionally, the steel separator comprises a connecting part and isolating parts arranged at two sides of the connecting part, and the connecting part is used for being connected with the first steel plate; the isolation parts on two sides of the connecting part are oppositely arranged, and the isolation parts on two sides of the connecting part are respectively welded and fixed with the second frames on two sides of the steel partition plate.
Through adopting above-mentioned technical scheme, utilize the clearance between the isolation part of connecting portion both sides to act as the expansion joint, the construction is accomplished the back to the clearance packing between the isolation part can, need not to establish the expansion joint in addition.
Optionally, the second frame includes a plurality of reinforcing bars, and the plurality of reinforcing bars are crisscrossed to form the second frame; the two surfaces of the steel partition plate, which deviate from each other, are fixedly connected with connecting pieces, and the connecting pieces are used for being connected with the reinforcing steel bars.
Through adopting above-mentioned technical scheme, utilize the connecting piece to establish the connection between isolation part and reinforcing bar, reduce the risk that the isolation part takes place to warp in the pouring process.
Optionally, the surface of connecting piece facing towards the reinforcing bar is provided with the recess, the cell wall of recess is used for with the laminating of the outer wall of reinforcing bar.
By adopting the technical scheme, the connecting piece and the steel bar have larger contact area, and the connection strength between the connecting piece and the steel bar is increased.
In summary, the present application includes at least one of the following beneficial technical effects:
1. By using the first steel plate, the steel coaming and the steel partition plate as templates for pouring concrete, the bridge plate forms a steel-concrete structure after being molded, so that the bridge is ensured to have higher structural strength on one hand, and on the other hand, the bridge does not need to be dismantled after construction is completed, and green construction is realized;
2. The second steel plate is arranged and connected with the first steel plate through shear nails, so that the connection stability between the concrete and the first steel plate is improved;
3. The steel partition plate comprises a connecting part and isolating parts arranged on two sides of the connecting part, so that a telescopic gap is formed between the isolating parts on two sides of the same connecting part, the same effect as an expansion joint is achieved, and the expansion joint is not required to be additionally arranged.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
Fig. 2 is a schematic view for showing the installation manner of the steel separator.
Fig. 3 is a schematic view for showing the structure of the connection member.
Fig. 4 is an enlarged schematic view of fig. 1 at a section a.
Reference numerals illustrate: 1. a first steel plate; 11. shear nails; 2. steel coaming; 3. a second steel plate; 31. welding holes; 32. a through hole; 4. a steel separator; 41. a connecting piece; 42. a groove; 43. a connection part; 44. an isolation part; 5. a reinforcing steel bar frame; 51. a first rack; 52. a second rack; 6. and a longitudinal girder.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a reinforced concrete cast-in-situ bridge plate structure. Referring to fig. 1, a reinforced concrete cast-in-situ shift structure includes a first steel plate 1, a steel coaming 2, a second steel plate 3, a steel partition plate 4 and a reinforcing steel bar frame 5. The first steel plate 1 is welded and fixed on the longitudinal girder 6 of the bridge, a plurality of shear nails 11 are connected to the surface, facing away from the longitudinal girder 6, of the first steel plate 1, and the plurality of shear nails 11 are uniformly distributed on the surface of the first steel plate 1.
The steel coaming 2 is welded and fixed on the surface of the first steel plate 1, which is away from the longitudinal girder 6, the steel coaming 2 is circumferentially arranged along the first steel plate 1, and the steel coaming 2 is enclosed at the first steel plate 1 to form a pouring area.
The reinforcement frame 5 comprises a first frame 51, the first frame 51 is welded and fixed on the surface of the first steel plate 1 facing away from the longitudinal girder 6, the second steel plate 3 is erected on the first frame 51, and the first frame 51 is used for supporting the second steel plate 3. The second steel plate 3 is provided with welding holes 31 in a penetrating mode, the welding holes 31 are in one-to-one correspondence with the shear pins 11, and the welding holes 31 are used for allowing the shear pins 11 to penetrate. During construction, the first frame 51 is installed in a pouring area, the second steel plate 3 passes through the shear nails 11 to be placed on the first frame 51 through the welding holes 31, and then the second steel plate 3 and the shear nails 11 are welded and fixed.
The second steel plate 3 is penetrated and provided with a plurality of through holes 32 for passing through concrete, and when the concrete is poured at last, the concrete flows into the space between the second steel plate 3 and the first steel plate 1 through the through holes 32, so that the structural strength of the bridge plate structure is improved, and the connection strength between the concrete and the first steel plate 1 is increased.
Referring to fig. 1 and 2, a plurality of steel spacers 4 are provided, and a plurality of steel spacers 4 are welded and fixed on the surface of the second steel plate 3 facing away from the first steel plate 1, and the plurality of steel spacers 4 divide the casting area above the second steel plate 3 into a plurality of casting units.
The steel bar frame 5 further comprises a plurality of second frames 52, the plurality of second frames 52 are in one-to-one correspondence with the plurality of pouring units, the steel bar frame 5 is located in the pouring units, the second frames 52 comprise a plurality of steel bars, and the plurality of steel bars are connected in a crisscross mode to form the second frames 52. In other embodiments, the second frame 52 may also be a rebar cage to reduce field construction.
Referring to fig. 1 and 3, in order to secure connection stability of the second frame 52, both surfaces of the steel spacer 4 facing away from each other are fixed with a connection member 41, a surface of the connection member 41 facing the reinforcing bar is provided with a groove 42, and a wall of the groove 42 is used to be attached to an outer wall of the reinforcing bar. The connecting piece 41 and the steel partition plate 4 can be welded and fixed, or can be integrally formed, and the reinforcing steel bars and the connecting piece 41 are welded and fixed.
Referring to fig. 4, the steel separator 4 includes a connection portion 43 and isolation portions 44 provided at both sides of the connection portion 43, the connection portion 43 being for connection with the first steel plate 1. The isolation parts 44 on both sides of the connection part 43 are disposed opposite to each other, and the connection member 41 is disposed on the isolation part 44. During construction, the steel partition plate 4 is welded and fixed to the second steel plate 3 through the connecting portion 43, and can be fixed in advance by bolts before welding for positioning. And then concrete is poured in each pouring unit, the steel partition plates 4 separate adjacent concrete, and meanwhile, telescopic spaces are formed between the isolation parts 44 on two sides of the same connecting part 43, the telescopic spaces play the same role as the telescopic joints, and after construction is completed, the telescopic spaces are filled.
The embodiment of the application relates to an implementation principle of a reinforced concrete cast-in-situ bridge plate structure, which comprises the following steps: during construction, the first steel plate 1 is welded and fixed on the longitudinal girder 6, then the steel coaming 2 and the shear nails 11 are welded and fixed on the first steel plate 1, and a first frame 51 is erected in a pouring area formed by enclosing the steel coaming 2; the second steel plate 3 is connected to the shear nails 11 through the welding holes 31, the steel partition plates 4 are welded and fixed on the surface, deviating from the first steel plate 1, of the second steel plate 3, and a plurality of pouring units are formed by separating the steel partition plates 4; then erecting a second frame 52 in the pouring unit, and connecting the reinforcing steel bars to the connecting pieces 41 when erecting; finally, concrete is poured in the pouring unit, and after construction is completed, expansion joint materials are used for filling expansion spaces between the isolation parts 44 on two sides of the same connecting part 43.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A reinforced concrete cast-in-situ bridge plate structure is characterized in that: comprises a first steel plate (1), a steel coaming (2), a steel partition plate (4) and a steel bar frame (5); the first steel plate (1) is connected to a longitudinal girder (6) of the bridge, and a plurality of shear nails (11) are connected to the surface, deviating from the longitudinal girder (6), of the first steel plate (1); the steel coaming (2) is connected to the surface of the first steel plate (1) deviating from the longitudinal girder (6), the steel coaming (2) is circumferentially arranged along the first steel plate (1), and the steel coaming (2) is enclosed to form a pouring area; the steel partition plates (4) are positioned above the first steel plate (1), a plurality of steel partition plates (4) are arranged, and the pouring areas are divided into a plurality of pouring units by the steel partition plates (4); the steel bar frame (5) is positioned in the pouring area.
2. A reinforced concrete cast-in-situ bridge plate structure according to claim 1, wherein: the shear pin (11) is arranged on the second steel plate (3) in a penetrating mode; the second steel plate (3) is provided with a plurality of through holes (32) for passing through the concrete.
3. A reinforced concrete cast-in-situ bridge plate structure according to claim 2, wherein: the steel bar frame (5) comprises a first frame (51), the first frame (51) is located between the first steel plate (1) and the second steel plate (3), and the first frame (51) is used for being abutted by the second steel plate (3).
4. A reinforced concrete cast-in-situ bridge plate structure according to claim 1, wherein: the steel bar frame (5) further comprises a plurality of steel bar cages, the steel bar cages correspond to the pouring units one by one, and the steel bar cages are located in the pouring units.
5. A reinforced concrete cast-in-situ bridge plate structure according to claim 1, wherein: the steel bar frame (5) further comprises a plurality of second frames (52), the second frames (52) are in one-to-one correspondence with the pouring units, and the second frames (52) are located in the pouring units.
6. A reinforced concrete cast-in-situ bridge plate structure according to claim 5, wherein: the steel partition plate (4) comprises a connecting part (43) and isolating parts (44) arranged on two sides of the connecting part (43), and the connecting part (43) is used for being connected with the first steel plate (1); the isolation parts (44) on two sides of the connecting part (43) are oppositely arranged, and the isolation parts (44) on two sides of the connecting part (43) are respectively welded and fixed with the second frames (52) on two sides of the steel partition plate (4).
7. A reinforced concrete cast-in-situ bridge plate structure according to claim 6, wherein: the second frame (52) comprises a plurality of steel bars, and the steel bars are crisscrossed to form the second frame (52); the two surfaces of the steel partition plate (4) which are away from each other are fixedly connected with connecting pieces (41), and the connecting pieces (41) are used for being connected with the reinforcing steel bars.
8. A reinforced concrete cast-in-situ bridge plate structure according to claim 7, wherein: the surface of the connecting piece (41) facing the steel bar is provided with a groove (42), and the groove wall of the groove (42) is used for being attached to the outer wall of the steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668471.7U CN220888335U (en) | 2023-10-07 | 2023-10-07 | Reinforced concrete cast-in-situ bridge plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668471.7U CN220888335U (en) | 2023-10-07 | 2023-10-07 | Reinforced concrete cast-in-situ bridge plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888335U true CN220888335U (en) | 2024-05-03 |
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ID=90878608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322668471.7U Active CN220888335U (en) | 2023-10-07 | 2023-10-07 | Reinforced concrete cast-in-situ bridge plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888335U (en) |
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2023
- 2023-10-07 CN CN202322668471.7U patent/CN220888335U/en active Active
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