CN220503656U - Closed reinforcing rib structure of steel pipe concrete arch rib - Google Patents
Closed reinforcing rib structure of steel pipe concrete arch rib Download PDFInfo
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- CN220503656U CN220503656U CN202321849000.XU CN202321849000U CN220503656U CN 220503656 U CN220503656 U CN 220503656U CN 202321849000 U CN202321849000 U CN 202321849000U CN 220503656 U CN220503656 U CN 220503656U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a closed reinforcing rib structure of a steel pipe concrete arch rib, which comprises the following components: the middle main arch layer is provided with an upper main arch layer at the upper end, a lower main arch layer at the lower end, an upper reinforcing rib at the upper end and a lower reinforcing rib at the lower end; the upper end of the bolt is fixedly connected with the upper reinforcing rib, the bolt is respectively connected with the upper main arch layer, the middle main arch layer, the lower main arch layer and the lower reinforcing rib in a nested manner, and one end of the bolt, which is far away from the upper reinforcing rib, is connected with a nut in a threaded manner. The upper, middle and lower main arch layer structures are arranged, so that larger bridge load can be born, and the bearing capacity of the bridge is improved; the main arch structure is tightly fixed through the combination of the upper reinforcing ribs, the bolts, the lower reinforcing ribs and the nuts, so that additional rigidity and strength can be provided, and the stability of the bridge is improved; the structure of the reinforcing rib is compact and stable, the construction is simple and convenient, and the durability is strong.
Description
Technical Field
The utility model relates to the technical field of construction structures, in particular to a closed reinforcing rib structure of a steel tube concrete arch rib.
Background
The existing closed reinforced rib structure of the steel pipe concrete arch rib is lack of a multi-layer composite arch layer structure capable of bearing larger bridge load, the bearing capacity of the bridge is limited, the fixed connection structure capable of providing additional rigidity and light weight and having an arch layer locking function is lack, and the stability of the bridge is not enough. The Chinese patent discloses a 'arch rib for bridge engineering', the application number of which is 'CN 202122633393.8', which comprises a supporting plate, a supporting column, a middle rod, a bearing rod, a bottom plate, a fixing column, a reinforcing rib and a top rod, wherein extension plates are symmetrically and fixedly connected to two sides of the bottom plate. According to the utility model, the triangular shape is formed by the reinforcing ribs, the bottom plate and the fixing columns, the stability and the impact resistance of the arch rib are enhanced, the fixing columns can uniformly and reasonably share the gravity of the bridge, the weight of the fixing column structure is small, the cost is saved, the structural strength and the bearing capacity of the arch rib are enhanced by the fixing columns, the safety performance of the bridge is improved, the ejector rod and the spring are additionally arranged at the bottom of the middle rib, when the bridge resonates, the spring has a buffering effect, the resonance phenomenon of the bridge can be effectively relieved, meanwhile, the movable groove and the elastic strip enable the reinforcing rib to have a buffering space, and after the bearing of the bridge at the top is heavier, the arch rib is enabled to have the buffering space, and the arch rib is prevented from being directly broken. But the structure has no multi-layer composite arch layer structure capable of bearing larger bridge load, and has no fixed connection structure which can provide additional rigidity and light weight and has arch layer locking function, and the bridge has limited bearing capacity and insufficient stability.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a closed reinforced rib structure of a steel pipe concrete arch rib, which is provided with an upper main arch layer structure, a middle main arch layer structure and a lower main arch layer structure, can bear larger bridge load, and improves the bearing capacity of the bridge; the main arch structure is tightly fixed through the combination of the upper reinforcing ribs, the bolts, the lower reinforcing ribs and the nuts, so that additional rigidity and strength can be provided, and the stability of the bridge is improved; the structure of the reinforcing rib is compact and stable, the construction is simple and convenient, and the durability is strong.
The utility model also provides a closed reinforced rib structure with the steel pipe concrete arch rib, which comprises the following components: the middle main arch layer is provided with an upper main arch layer at the upper end, a lower main arch layer at the lower end, an upper reinforcing rib at the upper end and a lower reinforcing rib at the lower end; the upper end of the bolt is fixedly connected with the upper reinforcing rib, the bolt is respectively connected with the upper main arch layer, the middle main arch layer, the lower main arch layer and the lower reinforcing rib in a nested manner, and one end of the bolt, which is far away from the upper reinforcing rib, is connected with a nut in a threaded manner.
According to the closed type reinforced rib structure of the steel pipe concrete arch rib, a plurality of round steel pipes are uniformly distributed on the middle main arch layer, and the bearing capacity of a bridge is enhanced. The upper main arch layer is uniformly distributed with a plurality of first square steel pipes, so that the bearing capacity of the bridge is enhanced. The lower main arch layer is uniformly distributed with a plurality of second square steel pipes, so that the bearing capacity of the bridge is enhanced.
According to the closed type reinforced rib structure of the steel pipe concrete arch rib, the plurality of first mounting holes are uniformly distributed in the middle main arch layer, so that the connection piece is convenient to mount. The upper main arch layer is uniformly distributed with a plurality of second mounting holes, so that the mounting of the connecting piece is facilitated. The lower main arch layer is uniformly distributed with a plurality of third mounting holes, so that the mounting of the connecting piece is facilitated.
According to the closed type reinforced rib structure of the steel pipe concrete arch rib, the plurality of fourth mounting holes are distributed in the lower reinforced rib, so that the connection piece is convenient to mount.
According to the closed type reinforced rib structure of the steel pipe concrete arch rib, the lower end of the upper reinforced rib is attached to the upper main arch layer, so that a tight fixing structure is formed conveniently. The upper reinforcing ribs are uniformly distributed at the upper end of the upper main arch layer, so that a tight fixing structure is formed.
According to the closed type steel pipe concrete arch rib reinforcing rib structure, the upper ends of the upper reinforcing rib and the upper main arch layer are provided with the upper concrete filling layer, so that the strength and the stability are improved. And the lower ends of the lower reinforcing ribs and the lower main arch layer are provided with lower concrete filling layers, so that the strength and the stability are improved.
According to the closed reinforced rib structure of the steel pipe concrete arch rib, the upper end of the upper concrete filling layer is provided with the bridge deck. Is convenient for passing.
According to the closed type reinforced rib structure of the steel pipe concrete arch rib, the bridge deck, the upper concrete filling layer, the upper reinforced rib, the upper main arch layer, the middle main arch layer, the lower reinforced rib and the peripheral edge of the lower concrete filling layer are aligned. The structure is convenient to compact and stable.
Advantageous effects
1. Compared with the prior art, the closed reinforced rib structure of the steel pipe concrete arch rib is provided with the upper, middle and lower main arch layer structures, can bear larger bridge load, and improves the bearing capacity of the bridge;
2. compared with the prior art, the closed type steel pipe concrete arch rib structure has the advantages that the main arch structure is tightly fixed through the combination of the upper reinforcing ribs, the bolts, the lower reinforcing ribs and the nuts, so that additional rigidity and strength can be provided, and the stability of a bridge is improved;
3. compared with the prior art, the closed type steel pipe concrete arch rib reinforcing structure has the advantages of compact and stable structure, simple and convenient construction and strong durability.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of an explosive structure of a closed rib structure of a concrete filled steel tube arch rib according to the present utility model;
FIG. 2 is a schematic view of a closed rib construction of a concrete filled steel tube arch rib according to the present utility model;
FIG. 3 is a schematic structural view of a fixing structure of an upper reinforcing rib and a bolt of a closed reinforcing rib structure of a concrete filled steel tube arch rib;
fig. 4 is a schematic structural view of a lower reinforcing rib of a closed reinforcing rib structure of a concrete filled steel tube arch rib according to the present utility model.
Legend description:
1. a lower concrete filling layer; 2. a second square steel pipe; 3. a third mounting hole; 4. round steel pipes; 5. a first mounting hole; 6. a first square steel pipe; 7. a second mounting hole; 8. a concrete filling layer is arranged on the upper surface of the concrete filling layer; 9. a bridge deck; 10. an upper reinforcing rib; 11. a bolt; 12. an upper main arch layer; 13. a middle main arch layer; 14. a lower main arch layer; 15. a fourth mounting hole; 16. a nut; 17. and lower reinforcing ribs.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, an embodiment of the present utility model is a closed type rib structure of a concrete filled steel tube arch rib, comprising: the middle main arch layer 13, the middle main arch layer 13 evenly distributes a plurality of round steel pipes 4 to form a bearing structure, the middle main arch layer 13 evenly distributes a plurality of first mounting holes 5, mounting bolts, the upper end of the middle main arch layer 13 is provided with an upper main arch layer 12 for bearing, the upper main arch layer 12 evenly distributes a plurality of first square steel pipes 6 to form a bearing structure, the upper main arch layer 12 evenly distributes a plurality of second mounting holes 7, the mounting bolts, the lower end of the middle main arch layer 13 is provided with a lower main arch layer 14 for bearing, the lower main arch layer 14 evenly distributes a plurality of second square steel pipes 2 to form a bearing structure, the lower main arch layer 14 evenly distributes a plurality of third mounting holes 3, the mounting bolts, the upper end of the upper main arch layer 12 is provided with an upper reinforcing rib 10, the lower end of the upper reinforcing rib 10 is attached to the upper main arch layer 12 for tightly fixing, the upper reinforcing ribs 10 are uniformly distributed at the upper end of the upper main arch layer 12 to form a tight and stable fixing structure, the upper ends of the upper reinforcing ribs 10 and the upper main arch layer 12 are provided with an upper concrete filling layer 8 for bearing, the strength is improved, the upper end of the upper concrete filling layer 8 is provided with a bridge deck 9 for providing a passing surface for travelling crane, the lower end of the lower main arch layer 14 is provided with a lower reinforcing rib 17 for fixing the main arch structure, the lower reinforcing rib 17 is provided with a plurality of fourth mounting holes 15, mounting bolts, the lower ends of the lower reinforcing rib 17 and the lower main arch layer 14 are provided with a lower concrete filling layer 1 for bearing, the strength is improved, and the peripheral edges of the bridge deck 9, the upper reinforcing rib 10, the upper main arch layer 12, the middle main arch layer 13, the lower main arch layer 14, the lower reinforcing rib 17 and the lower concrete filling layer 1 are aligned to form a compact structure;
the bolts 11, the upper ends of the bolts 11 are fixedly connected with the upper reinforcing ribs 10 to form a fixed structure, the bolts 11 are respectively connected with the upper main arch layer 12, the middle main arch layer 13, the lower main arch layer 14 and the lower reinforcing ribs 17 in a nested manner to form a fixed structure, and nuts 16 are connected with one ends of the bolts 11, which are far away from the upper reinforcing ribs 10, in a threaded manner to lock and fix the bolts.
Working principle: the construction of the closed type steel pipe concrete arch rib reinforcing rib structure is carried out, an upper main arch layer 12 formed by a first square steel pipe 6 is arranged at the upper end of a middle main arch layer 13 formed by a round steel pipe 4, a lower main arch layer 14 formed by a second square steel pipe 2 is arranged at the lower end of the middle main arch layer 13 formed by the round steel pipe 4, an upper, middle and lower three-layer main arch structure is tightly fixed through the combination of an upper reinforcing rib 10, bolts 11, a lower reinforcing rib 17 and nuts 16, the upper concrete filling layer 8 is formed by filling concrete at the upper ends of the upper reinforcing rib 10 and the upper main arch layer 12, the lower concrete filling layer 1 is formed by filling concrete at the lower ends of the lower reinforcing rib 17 and the lower main arch layer 14, and the bridge deck 9 is arranged at the upper end of the upper concrete filling layer 8.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A closed rib construction for a concrete filled steel tube arch rib, comprising: an upper main arch layer (12) is arranged at the upper end of the middle main arch layer (13), a lower main arch layer (14) is arranged at the lower end of the middle main arch layer (13), an upper reinforcing rib (10) is arranged at the upper end of the upper main arch layer (12), and a lower reinforcing rib (17) is arranged at the lower end of the lower main arch layer (14);
the upper end of the bolt (11) is fixedly connected with the upper reinforcing rib (10), the bolt (11) is respectively connected with the upper main arch layer (12), the middle main arch layer (13), the lower main arch layer (14) and the lower reinforcing rib (17) in a nested mode, and one end, far away from the upper reinforcing rib (10), of the bolt (11) is connected with a nut (16) in a threaded mode.
2. A closed reinforcing rib structure of a steel pipe concrete arch rib according to claim 1, characterized in that the middle main arch layer (13) is uniformly distributed with a plurality of round steel pipes (4), the upper main arch layer (12) is uniformly distributed with a plurality of first square steel pipes (6), and the lower main arch layer (14) is uniformly distributed with a plurality of second square steel pipes (2).
3. A closed reinforcing rib structure for a concrete filled steel tube arch rib according to claim 1, wherein the middle main arch layer (13) is uniformly distributed with a plurality of first mounting holes (5), the upper main arch layer (12) is uniformly distributed with a plurality of second mounting holes (7), and the lower main arch layer (14) is uniformly distributed with a plurality of third mounting holes (3).
4. A closed reinforcing rib structure of a concrete filled steel tube arch rib according to claim 1, wherein the lower reinforcing rib (17) is distributed with a plurality of fourth mounting holes (15).
5. A closed reinforcing rib structure of a concrete filled steel tube arch rib according to claim 1, wherein the lower end of the upper reinforcing rib (10) is attached to the upper main arch layer (12), and the upper reinforcing rib (10) is uniformly distributed on the upper end of the upper main arch layer (12).
6. A closed reinforcing rib structure of a steel pipe concrete arch rib according to claim 1, characterized in that the upper ends of the upper reinforcing rib (10) and the upper main arch layer (12) are provided with an upper concrete filling layer (8), and the lower ends of the lower reinforcing rib (17) and the lower main arch layer (14) are provided with a lower concrete filling layer (1).
7. A closed reinforcing rib structure of a steel pipe concrete arch rib according to claim 6, characterized in that the upper end of the upper concrete filling layer (8) is provided with a bridge deck (9).
8. A closed rib construction for a steel pipe concrete arch rib according to claim 7, wherein the peripheral edges of the bridge deck (9), the upper concrete filled layer (8), the upper reinforcing rib (10), the upper main arch layer (12), the middle main arch layer (13), the lower main arch layer (14), the lower reinforcing rib (17) and the lower concrete filled layer (1) are aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849000.XU CN220503656U (en) | 2023-07-14 | 2023-07-14 | Closed reinforcing rib structure of steel pipe concrete arch rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849000.XU CN220503656U (en) | 2023-07-14 | 2023-07-14 | Closed reinforcing rib structure of steel pipe concrete arch rib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220503656U true CN220503656U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321849000.XU Active CN220503656U (en) | 2023-07-14 | 2023-07-14 | Closed reinforcing rib structure of steel pipe concrete arch rib |
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| Country | Link |
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| CN (1) | CN220503656U (en) |
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- 2023-07-14 CN CN202321849000.XU patent/CN220503656U/en active Active
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