CN220643676U - Pile-board connection node of pile-board road bridge structure - Google Patents
Pile-board connection node of pile-board road bridge structure Download PDFInfo
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- CN220643676U CN220643676U CN202321192932.1U CN202321192932U CN220643676U CN 220643676 U CN220643676 U CN 220643676U CN 202321192932 U CN202321192932 U CN 202321192932U CN 220643676 U CN220643676 U CN 220643676U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000004873 anchoring Methods 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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Abstract
The pile-plate connecting node of the pile-plate road-bridge structure comprises a prestressed reinforcement, rubber concrete and a semi-annular rubber gasket, and is characterized in that the lower end of the prestressed reinforcement is fixed through an anchoring bolt arranged on a precast pile end plate, the upper end of the prestressed reinforcement is fixed through an anchoring steel plate and a nut which are arranged on the upper surfaces of a precast bridge plate and the rubber concrete, and a metal corrugated sleeve is sleeved outside the prestressed reinforcement; the rubber concrete is poured between the prefabricated bridge plates and the prefabricated piles which are erected in advance, and steel pile casing is arranged on the side face of the rubber concrete for enclosing; the prefabricated bridge plate is arranged on the upper portion of the steel pile casing, the semi-annular rubber gaskets are arranged between the steel pile casing and the prefabricated bridge plate, the two semi-annular rubber gaskets are butted into a circular ring, and the two sides of the prefabricated bridge plate extend out of the staggered lap joint steel bars so as to strengthen the connection between the prefabricated bridge plate and the connecting nodes. The utility model can reduce the connection rigidity of the pile plates, is a semi-rigid node, can ensure the connection reliability of the pile plates, and has excellent connection performance.
Description
Technical Field
The utility model relates to the technical field of road and bridge construction, in particular to a pile-board connection node of a pile-board road and bridge structure.
Background
The pile-slab roadbed is a novel pile-slab beam structure and is a frame structure system consisting of prefabricated slab beams, tubular piles and the like in a factory. The hydraulic pile has the advantages of larger structural rigidity, small post-construction settlement, fast construction progress, small occupied land and the like. The reliable connection between the precast pile and the beam slab is a problem to be optimized, if the precast pile and the beam slab are connected by adopting a traditional wet joint connection mode, temporary facilities are more, and the workload is overlarge; if other connection modes such as traditional notch, tooth piece are adopted, the structure is complicated, and the reinforcing bar is impaired more, prefabrication, construction degree of difficulty are big, and industrialization advantage reduces, and the connection effect is also difficult to guarantee. In addition, the rigidity of the pile plate connecting node is higher by the node connecting mode in the existing engineering, which is not beneficial to the stability and reliability of the structure under vibration load. The utility model provides a pile-plate connection node of a pile-plate road bridge structure, and provides a method for reliably connecting precast piles and beam plates.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a pile-board connection node of a pile-board road bridge structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the pile-plate connecting node of the pile-plate road-bridge structure comprises a prestressed reinforcement, rubber concrete and a semi-annular rubber gasket, and is characterized in that the lower end of the prestressed reinforcement is fixed through an anchoring bolt arranged on a precast pile end plate, and the upper end of the prestressed reinforcement is fixed through an anchoring steel plate and an anchoring nut which are arranged on the upper surfaces of a precast bridge plate and the rubber concrete; the rubber concrete is poured between the prefabricated bridge plates and the prefabricated piles which are erected in advance, and steel pile casing is arranged on the side face of the rubber concrete for enclosing.
Preferably, the pre-stressing steel bars are inserted into metal corrugated sleeves fixed on the precast pile end plates.
Preferably, the prefabricated bridge plate is arranged on the upper portion of the steel pile casing, the steel pile casing is fixed on the upper portion of the prefabricated pile, the semi-annular rubber gasket is arranged between the steel pile casing and the prefabricated bridge plate, and the two semi-annular rubber gaskets are butted to form a circular ring.
Preferably, the two sides of the prefabricated bridge plate extend out of the staggered lap joint steel bars.
The construction process of the pile-slab connection node of the pile slab road bridge structure includes 1) fixing pre-stressed steel bars and sleeves on prefabricated end plate anchoring bolts after the prefabricated piles are driven; 2) Erecting a beam plate, and arranging a steel pile casing and a gasket between the beam plate and the pile; 3) Pouring rubber concrete, and pouring grease into the sleeve; 4) After the rubber concrete reaches the design strength, an anchoring steel plate is arranged, prestress is applied to the prestress steel bar, and the rubber concrete is fixed by an anchoring nut after reaching the design prestress; 5) And pouring a panel post-pouring belt.
Compared with the prior art, the utility model has the beneficial effects that:
1. the rubber concrete and the gasket are adopted to reduce the connection rigidity of the pile plates, so that the pile plates are connected to be semi-rigid, the stress concentration can be reduced, and the vibration-damping pile plate has vibration-damping effect on vibration load; the application of the prestress of the prestressed reinforcement ensures the reliability of pile plate connection.
2. The pile plate connecting node adopted by the utility model has the advantages of less temporary facilities, simple structural structure, low construction difficulty and good connection performance.
3. The pile plate connecting joint adopted by the utility model ensures that the overall performance of the connecting part is good, the bearing capacity and the deformability of each component can be fully exerted, and the overall earthquake resistance of the structure is improved through the lap joint reinforcing steel bars extending from the prefabricated bridge plates horizontally and the prestressed reinforcing steel bars vertically inserted in the metal corrugated sleeves and the rubber concrete.
Drawings
Fig. 1 is a schematic structural view of a pile-slab connection node of a pile-slab road-bridge structure according to the present utility model; wherein: 1, anchoring a nut; 2, anchoring the steel plate; 3, rubber concrete; prestress steel bars; 5, sleeving; 6, post-pouring layer; 7, prefabricating bridge plates; 8, staggering and overlapping the steel bars by the precast slabs; 9, steel pile casing; 10, precast piles; 11 anchoring bolts; a 12 semi-annular rubber gasket.
Fig. 2 is a 1-1 cross-sectional view of a pile-slab connection node of a pile-slab road bridge structure according to the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and embodiments.
Example 1
The pile-plate connecting node of the pile-plate road-bridge structure comprises a prestressed reinforcement, rubber concrete and a semi-annular rubber gasket, and is characterized in that the lower end of the prestressed reinforcement is fixed through an anchoring bolt arranged on a precast pile end plate, and the upper end of the prestressed reinforcement is fixed through an anchoring steel plate and an anchoring nut which are arranged on the upper surfaces of a precast bridge plate and the rubber concrete; the rubber concrete is poured between the prefabricated bridge plates and the prefabricated piles which are erected in advance, and the side surfaces of the rubber concrete are wrapped by the steel pile casing.
The prestress steel bars are inserted into metal corrugated sleeves fixed on the precast pile end plates.
The prefabricated bridge plate is arranged on the upper portion of the steel pile casing, the steel pile casing is fixed on the upper portion of the prefabricated pile, the semi-annular rubber gasket is arranged between the steel pile casing and the prefabricated bridge plate, and the two semi-annular rubber gaskets are butted to form a circular ring.
And two sides of the prefabricated bridge plate extend out of the staggered lap joint steel bars.
The construction process of the pile-plate connection node of the assembled pile-plate road bridge structure comprises the following steps of 1) fixing a prestressed reinforcement and a sleeve on an end plate precast anchor bolt after the precast pile is driven; 2) Erecting a beam plate, and arranging a steel pile casing and a gasket between the beam plate and the pile; 3) Pouring rubber concrete, and pouring grease into the sleeve; 4) After the rubber concrete reaches the design strength, an anchoring steel plate is arranged, prestress is applied to the prestress steel bar, and the rubber concrete is fixed by an anchoring nut after reaching the design prestress; 5) And pouring a panel post-pouring belt.
The pile-plate connection node of the pile-plate road bridge structure adopts rubber concrete and gaskets to reduce the connection rigidity of pile plates, so that the pile plates are connected to be semi-rigid, the stress concentration can be reduced, and the pile-plate connection node also has a vibration damping effect on vibration load; the application of the prestress of the prestressed reinforcement ensures the reliability of pile plate connection. The construction method has the advantages of few temporary facilities, simple structure, low construction difficulty and good connection effect.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, for the purpose of teaching those skilled in the art the utility model in light of the foregoing disclosure.
Claims (4)
1. The pile-plate connecting node of the pile-plate road-bridge structure comprises a prestressed reinforcement, rubber concrete and a semi-annular rubber gasket, and is characterized in that the lower end of the prestressed reinforcement is fixed through an anchoring bolt arranged on a precast pile end plate, and the upper end of the prestressed reinforcement is fixed through an anchoring steel plate and an anchoring nut which are arranged on the upper surfaces of a precast bridge plate and the rubber concrete; the rubber concrete is poured between the prefabricated bridge plates and the prefabricated piles which are erected in advance, and steel pile casing is arranged on the side face of the rubber concrete for enclosing.
2. A pile-slab junction according to claim 1, wherein the pre-stressed steel bars are inserted into corrugated metal sleeves fixed to the precast pile end plates.
3. The pile-plate connection node of a pile-plate road bridge structure according to claim 1, wherein the prefabricated bridge plate is arranged on the upper portion of the steel pile casing, the steel pile casing is fixed on the upper portion of the prefabricated pile, the semi-annular rubber gasket is arranged between the steel pile casing and the prefabricated bridge plate, and the two semi-annular rubber gaskets are butted into a ring.
4. A pile-to-slab connection node of a pile-slab road bridge structure according to claim 1, wherein said prefabricated bridge slabs have interdigitating reinforcing bars extending from both sides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192932.1U CN220643676U (en) | 2023-05-17 | 2023-05-17 | Pile-board connection node of pile-board road bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192932.1U CN220643676U (en) | 2023-05-17 | 2023-05-17 | Pile-board connection node of pile-board road bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220643676U true CN220643676U (en) | 2024-03-22 |
Family
ID=90297141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192932.1U Active CN220643676U (en) | 2023-05-17 | 2023-05-17 | Pile-board connection node of pile-board road bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220643676U (en) |
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2023
- 2023-05-17 CN CN202321192932.1U patent/CN220643676U/en active Active
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