CN220888285U - Prefabricated hollow slab beam - Google Patents
Prefabricated hollow slab beam Download PDFInfo
- Publication number
- CN220888285U CN220888285U CN202322631488.5U CN202322631488U CN220888285U CN 220888285 U CN220888285 U CN 220888285U CN 202322631488 U CN202322631488 U CN 202322631488U CN 220888285 U CN220888285 U CN 220888285U
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- Prior art keywords
- prefabricated hollow
- hollow plate
- reinforcement
- plate beam
- hollow slab
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- 230000002787 reinforcement Effects 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
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Abstract
The utility model discloses a prefabricated hollow plate beam, which comprises a first prefabricated hollow plate beam and a second prefabricated hollow plate beam, wherein reinforcement cages are fixedly arranged in the first prefabricated hollow plate beam and the second prefabricated hollow plate beam, a plurality of first connecting reinforcements are uniformly fixed on one side of each reinforcement cage, and a fixing sleeve is fixed on the outer surface of one end of each first connecting reinforcement. According to the utility model, the first prefabricated hollow plate beam, the second prefabricated hollow plate beam, the reinforcement cage, the first connecting reinforcement, the fixed sleeve and the second connecting reinforcement are arranged, the second connecting reinforcement of the second prefabricated hollow plate beam is inserted into the fixed sleeve of the first prefabricated hollow plate beam, so that the first connecting reinforcement and the second connecting reinforcement at corresponding positions are orderly arranged and connected, the first connecting reinforcement and the second connecting reinforcement are prevented from being arranged at the connecting part of the first prefabricated hollow plate beam and the second prefabricated hollow plate beam in disorder, the efficient mutual support is difficult to realize, and concrete is poured at the connecting part of the first connecting reinforcement and the second connecting reinforcement.
Description
Technical Field
The utility model relates to the technical field of hollow plate beams, in particular to a prefabricated hollow plate beam.
Background
The upper structure of the bridge mainly comprises plate beams, box beams and T-shaped beams, wherein the plate beams comprise I-shaped plate beams, hollow plate beams and the like according to the shape. The prefabricated hollow slab beam is one of bridge structures widely applied in the current middle-small-sized span bridges due to the convenience of construction.
In the prior art, the bridge generally adopts a prefabrication and assembly method, and comprises main beams and plate beams, wherein concrete is filled in gaps among the plate beams, so that the plate beams are transversely connected, but the phenomenon of damage of concrete hinge joints is common, the damage of the hinge joints increases the load born by part of the plate beams, and the safety hidden trouble exists, so that the safety of the bridge structure is influenced.
Disclosure of utility model
The utility model aims to provide a prefabricated hollow slab beam, which solves the problems that the damage phenomenon of concrete hinge joints for transverse connection of slab beams in the prior art is common, the damage of the hinge joints increases the load born by part of the slab beams, and the safety of a bridge structure is influenced due to the fact that the potential safety hazard is great.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated hollow slab beam, includes first prefabricated hollow slab beam and the prefabricated hollow slab beam of second, first prefabricated hollow slab beam has set firmly the steel reinforcement cage with the inside of the prefabricated hollow slab beam of second, steel reinforcement cage one side evenly is fixed with a plurality of first connecting bars, first connecting bar one end external surface is fixed with fixed cover, the steel reinforcement cage opposite side evenly is fixed with the second connecting bar that corresponds with fixed cover position.
Preferably, the second connecting steel bars are in clearance fit with the fixing sleeve.
Preferably, a cutting tip is fixed at one end of the second connecting steel bar.
Preferably, reinforcing frames are fixed at four corners of the reinforcement cage.
Preferably, a triangle is formed between the reinforcing frame and the reinforcement cage.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the first prefabricated hollow plate beam, the second prefabricated hollow plate beam, the reinforcement cage, the first connecting reinforcement, the fixed sleeve and the second connecting reinforcement are arranged, the second connecting reinforcement of the second prefabricated hollow plate beam is inserted into the fixed sleeve of the first prefabricated hollow plate beam, so that the first connecting reinforcement and the second connecting reinforcement at corresponding positions are orderly arranged and connected, the first connecting reinforcement and the second connecting reinforcement are prevented from being arranged at the connecting part of the first prefabricated hollow plate beam and the second prefabricated hollow plate beam in disorder, the efficient mutual support is difficult to realize, concrete is poured at the connecting part of the first connecting reinforcement and the second connecting reinforcement, the first connecting reinforcement and the second connecting reinforcement extend from two sides of the reinforcement cage, and the connection of the first connecting reinforcement and the second connecting reinforcement enables the reinforcement cage of the first prefabricated hollow plate beam and the second prefabricated hollow plate beam to be connected, and the connection stability between the first prefabricated hollow plate beam and the second prefabricated hollow plate beam is improved, and the bridge integrity is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the appearance structure of the present utility model;
fig. 2 is a schematic diagram of the internal structure of the present utility model.
In the figure: 1. a first prefabricated hollow slab beam; 2. a second prefabricated hollow slab beam; 3. a reinforcement cage; 4. a first connecting bar; 5. a fixed sleeve; 6. a second connecting bar; 7. cutting the tip; 8. a reinforcing frame; 9. a hollow portion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-2, in the embodiment of the present utility model, a prefabricated hollow slab beam includes a first prefabricated hollow slab beam 1 and a second prefabricated hollow slab beam 2, where the first prefabricated hollow slab beam 1 and the second prefabricated hollow slab beam 2 are used as main structures of a bridge, a reinforcement cage 3 is fixedly arranged inside the first prefabricated hollow slab beam 1 and the second prefabricated hollow slab beam 2, the reinforcement cage 3 mainly plays a role of tensile strength, and the compressive strength of concrete is high but the tensile strength is very low, so that the hollow slab beam can bear a certain axial tension, a plurality of first connecting reinforcements 4 are uniformly fixed on one side of the reinforcement cage 3, a fixing sleeve 5 is fixed on an outer surface of one end of the first connecting reinforcement 4, a second connecting reinforcement 6 corresponding to the fixing sleeve 5 is uniformly fixed on the other side of the reinforcement cage 3, the second connecting reinforcement 6 on one side of the second prefabricated hollow slab beam 2 is inserted into the fixing sleeve 5 on one side of the first prefabricated hollow slab beam 1, the first connecting steel bars 4 and the second connecting steel bars 6 at corresponding positions are orderly connected, concrete is poured at the connecting parts of the first connecting steel bars 4 and the second connecting steel bars 6, the first connecting steel bars 4 and the second connecting steel bars 6 extend out of two sides of the steel bar cage 3, the connection of the first connecting steel bars 4 and the second connecting steel bars 6 enables the steel bar cage 3 of the first prefabricated hollow slab beam 1 and the second prefabricated hollow slab beam 2 to be connected, the stability of connection between the first prefabricated hollow slab beam 1 and the second prefabricated hollow slab beam 2 is improved, the integrity of a bridge is improved, and the arrangement of the fixing sleeve 5 prevents the first connecting steel bars 4 and the second connecting steel bars 6 from being inclined by external force to cause the first connecting steel bars 4 and the second connecting steel bars 6 to be orderly arranged at the connecting parts of the first prefabricated hollow slab beam 1 and the second prefabricated hollow slab beam 2, so that efficient mutual support is difficult to realize;
Referring to fig. 1-2, the second connecting steel bar 6 is in clearance fit with the fixing sleeve 5, and the second connecting steel bar 6 is conveniently inserted into the fixing sleeve 5 by clearance fit;
Referring to fig. 1-2, a pointed portion 7 is fixedly arranged at one end of the second connecting steel bar 6, and the pointed portion 7 reduces the diameter length of one end of the second connecting steel bar 6, so that one end of the second connecting steel bar 6 is conveniently inserted into the fixing sleeve 5;
Referring to fig. 1-2, reinforcing frames 8 are fixed at four corners of the reinforcement cage 3, and the arrangement of the reinforcing frames 8 improves the deformation resistance of the four corners of the reinforcement cage 3, so that the stability of connection between the first prefabricated hollow plate beam 1 and the second prefabricated hollow plate beam 2 is further improved;
Referring to fig. 1-2, a triangle is formed between the reinforcing frame 8 and the reinforcement cage 3, and the triangle structure is stable.
The working principle and the using flow of the utility model are as follows: prefabricating a first prefabricated hollow plate girder 1 and a second prefabricated hollow plate girder 2, roughening the side surfaces of the first prefabricated hollow plate girder 1 and the second prefabricated hollow plate girder 2, namely, chiseling a dent on the finished concrete structure surface by using a tool, so that the construction surfaces transversely connected with the first prefabricated hollow plate girder 1 and the second prefabricated hollow plate girder 2 are firmly bonded. The second connecting steel bars 6 on one side of the second prefabricated hollow plate beam 2 are inserted into the fixed sleeve 5 on one side of the first prefabricated hollow plate beam 1, and then the first connecting steel bars 4 and the second connecting steel bars 6 at corresponding positions are connected in a tidy arrangement mode, so that the situation that the first connecting steel bars 4 and the second connecting steel bars 6 are arranged at the connecting parts of the first prefabricated hollow plate beam 1 and the second prefabricated hollow plate beam 2 in disorder due to the fact that the first connecting steel bars 4 and the second connecting steel bars 6 are inclined by external force is avoided, efficient mutual support is difficult to achieve, concrete is poured at the connecting parts of the first connecting steel bars 4 and the second connecting steel bars 6, the first connecting steel bars 4 and the second connecting steel bars 6 extend from two sides of the steel bar cage 3, the first connecting steel bars 4 and the second connecting steel bars 6 are connected with the steel bar cage 3 of the first prefabricated hollow plate beam 1 and the second prefabricated hollow plate beam 2, and the connecting stability of the bridge is improved, and the bridge integrity is improved. The arrangement of the reinforcing frame 8 improves the deformation resistance of the four corners of the reinforcement cage 3, thereby further improving the stability of the connection between the first prefabricated hollow plate girder 1 and the second prefabricated hollow plate girder 2.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a prefabricated hollow slab beam, includes first prefabricated hollow slab beam (1) and second prefabricated hollow slab beam (2), its characterized in that: the novel steel bar reinforced hollow slab is characterized in that a steel bar cage (3) is fixedly arranged inside the first prefabricated hollow slab beam (1) and the second prefabricated hollow slab beam (2), a plurality of first connecting steel bars (4) are uniformly fixed on one side of the steel bar cage (3), a fixing sleeve (5) is fixedly arranged on one end outer surface of each first connecting steel bar (4), and a second connecting steel bar (6) corresponding to the fixing sleeve (5) is uniformly fixed on the other side of the steel bar cage (3).
2. A prefabricated hollow panel beam according to claim 1, wherein: the second connecting steel bars (6) are in clearance fit with the fixing sleeve (5).
3. A prefabricated hollow panel beam according to claim 1, wherein: one end of the second connecting steel bar (6) is fixedly provided with a cutting tip (7).
4. A prefabricated hollow panel beam according to claim 1, wherein: reinforcing frames (8) are fixed at four corners of the reinforcement cage (3).
5. A prefabricated hollow panel beam according to claim 4, wherein: triangle is formed between the reinforcing frame (8) and the reinforcement cage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322631488.5U CN220888285U (en) | 2023-09-27 | 2023-09-27 | Prefabricated hollow slab beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322631488.5U CN220888285U (en) | 2023-09-27 | 2023-09-27 | Prefabricated hollow slab beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888285U true CN220888285U (en) | 2024-05-03 |
Family
ID=90869739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322631488.5U Active CN220888285U (en) | 2023-09-27 | 2023-09-27 | Prefabricated hollow slab beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888285U (en) |
-
2023
- 2023-09-27 CN CN202322631488.5U patent/CN220888285U/en active Active
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