CN220058131U - Repair structure for PHC broken pile of high pile cap - Google Patents
Repair structure for PHC broken pile of high pile cap Download PDFInfo
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- CN220058131U CN220058131U CN202320455474.XU CN202320455474U CN220058131U CN 220058131 U CN220058131 U CN 220058131U CN 202320455474 U CN202320455474 U CN 202320455474U CN 220058131 U CN220058131 U CN 220058131U
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- phc
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- broken
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 9
- 239000011374 ultra-high-performance concrete Substances 0.000 claims description 7
- 208000010392 Bone Fractures Diseases 0.000 description 20
- 206010017076 Fracture Diseases 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Abstract
The utility model relates to the technical field of broken pile repairing, in particular to a repairing structure for PHC broken piles of a high pile cap. The repairing structure comprises a concrete layer, an annular steel plate and a hoop which are sequentially arranged at the periphery of a fracture part from inside to outside. The repairing structure is stable and firm, and the connecting strength of the high pile cap can be maintained after repairing.
Description
Technical Field
The utility model relates to the technical field of broken pile repairing, in particular to a repairing structure for PHC broken piles of a high pile cap.
Background
PHC pipe pile, namely prestressed high-strength concrete pipe pile, has the advantages of high bearing capacity of single pile, reliable pile sinking quality and low engineering cost, has strong adaptability to geological conditions with great fluctuation of bearing layers, and is widely applied to various high-rise buildings with 60 layers or lower and industrial and civil building low bearing platform pile foundations, railway, highway and bridge, ports, wharfs, water conservancy, municipal administration, structures, large equipment and other engineering foundations. PHC high pile cap of marine windmill is easily received striking such as wave, ship, marine organism and causes the fracture, and this fracture if not repairing will cause the destruction of whole cushion cap, causes huge economic loss, and the often joint strength of broken stake is insufficient after repairing, very fast can produce the secondary fracture.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the repairing structure of the PHC broken pile of the high pile cap, which has simple structure and high connection strength.
In order to solve the technical problems, the utility model adopts the following technical scheme: a repairing structure of a PHC broken pile of a high pile cap comprises a concrete layer, an annular steel plate, a hoop and high-strength grouting material, wherein the concrete layer, the annular steel plate and the hoop are sequentially arranged at the periphery of a broken part from inside to outside, and the high-strength grouting material is arranged in the broken part.
Wherein the concrete layer is made of ultra-high performance concrete.
The PHC pile is characterized in that the outer surface of the PHC pile which is in contact with the concrete layer is a chiseled surface and is wrapped with a circle of steel wire mesh.
The inner wall of the annular steel plate is provided with a shear key, and the shear key is buried in the concrete layer.
The shear keys are L-shaped, one ends of the shear keys are welded on the annular steel plate, and the distance between the shear keys is not smaller than 100mm.
The annular steel plate consists of two opposite-locking semi-annular steel plates.
The two ends of the semi-annular steel plate radially extend inwards to form an inner radial extension section, bolt holes are formed in the inner radial extension section, and the two bolt holes of the semi-annular steel plate are connected through a first bolt.
The included angle between the joint of the anchor ear and the joint of the semi-annular steel plate is 90 degrees.
The number of the anchor hoops is at least three pairs.
When the number of the anchor clamps is three, the anchor clamps are respectively arranged at the fracture position and the two ends of the annular steel plate.
The utility model has the beneficial effects that: according to the repairing structure, the concrete layer, the annular steel plate and the anchor ear are sequentially arranged from inside to outside to repair the fracture, so that the repairing structure is stable and firm, and the connection strength of the high pile cap can be maintained after the repairing.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a prosthetic structure according to a first embodiment of the utility model;
FIG. 2 is a transverse cross-sectional view of a repair structure according to a first embodiment of the utility model;
fig. 3 is a top view of a hoop according to a first embodiment of the present utility model;
FIG. 4 is a schematic view showing the structure of a ring-shaped steel plate and a shear key according to a first embodiment of the present utility model;
FIG. 5 is a schematic view of a portion of a repair structure according to a first embodiment of the present utility model when repairing a vertical broken pile;
FIG. 6 is a schematic view of a portion of a repair structure for repairing an inclined broken pile according to a first embodiment of the present utility model;
description of the reference numerals: 1. a concrete layer; 2. an annular steel plate; 21. a semi-annular steel plate; 211. an inner radial extension; 22. a first bolt; 3. a hoop; 31. a second bolt; 4. a shear key; 5. PHC tubular pile; 6. fracture.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the utility model is as follows: the concrete layer, the annular steel plate and the anchor ear are sequentially arranged from inside to outside to repair the fracture, and the connection strength of the high pile cap can be maintained after repair.
Referring to fig. 1 to 6, the present utility model is as follows: a repairing structure of a PHC broken pile of a high pile cap comprises a concrete layer, an annular steel plate, a hoop and high-strength grouting material, wherein the concrete layer, the annular steel plate and the hoop are sequentially arranged at the periphery of a broken part from inside to outside, and the high-strength grouting material is arranged in the broken part.
From the above description, the beneficial effects of the utility model are as follows: the concrete layer, the annular steel plate and the anchor ear are sequentially arranged at the fracture part from inside to outside, and the high-strength grouting material in the fracture part forms a fracture repairing structure, so that the repairing structure is simple, the operability is strong, the normal operation under water is not influenced during repairing, and the PHC pile breaking device is suitable for a PHC pile breaking of a high pile cap arranged in water; the repairing structure is stable and firm, and the connecting strength of the high pile cap can be maintained after repairing.
Further, the concrete layer is made of ultra-high performance concrete.
From the above description, ultra-high performance concrete is abbreviated as UHPC, has ultra-high durability and ultra-high mechanical property, is suitable for underwater and water surface operation, and can improve the connection strength of broken piles.
Further, the outer surface of the PHC pile contacted with the concrete layer is a chiseled surface and is wrapped with a circle of steel wire mesh.
From the above description, it is known that the roughened surface and the wire mesh can increase the adhesion of the concrete layer and the PHC pile.
Further, the inner wall of the annular steel plate is provided with a shear key, and the shear key is buried in the concrete layer.
Further, the shear keys are L-shaped, one ends of the shear keys are welded on the annular steel plate, and the distance between the shear keys is not smaller than 100mm.
Further, the shear keys are uniformly distributed along the radial direction of the semi-annular steel plate.
From the above description, it is known that the ring-shaped steel plate and the concrete layer are prevented from sliding and separating from each other, so that the two are integrated to work together, thereby improving the connection strength of the high pile cap.
Further, the annular steel plate is composed of two half-annular steel plates which are locked in pairs.
Further, the two ends of the semi-annular steel plates extend inwards in the radial direction to form an inner radial extension section, bolt holes are formed in the inner radial extension section, and the bolt holes of the two semi-annular steel plates are connected through a first bolt.
From the above description, the above structure is more convenient to install and transport than using the whole barreled annular steel plate.
Further, the included angle between the joint of the anchor ear and the joint of the semi-annular steel plate is 90 degrees.
From the above description, the joint strength of the repair structure can be improved by performing the staggered joint treatment on the unfavorable positions of the structure.
Further, the number of the anchor ear is at least three pairs.
Further, when the quantity of staple bolt is three pairs, three pairs of staple bolts set up respectively in fracture department and annular steel sheet both ends department.
From the above description, three pairs of anchor ears are respectively arranged at the fracture position and the two ends of the annular steel plate, so that the repair structure and the broken piles can be fixed to the greatest extent.
Further, the outer side of the annular steel plate is provided with 2-3 layers of thick slurry type epoxy heavy-duty anticorrosive paint.
Further, the anchor ear is locked by using a second bolt, and the anchor ear bolt are made of galvanized materials.
Application scene: the method is used for repairing the underwater fracture of the high pile cap.
Referring to fig. 1 to 6, a first embodiment of the present utility model is as follows:
a repair structure of a PHC broken pile of a high pile cap comprises a concrete layer 1, an annular steel plate 2 and a hoop 3 which are sequentially arranged at the periphery of a fracture part 6 from inside to outside, and high-strength grouting material in the fracture part 6; the outer surface of the PHC pile contacted with the concrete layer 1 is a chiseled surface and is wrapped with a circle of steel wire mesh. The inner wall of the annular steel plate 2 is provided with shear keys 4, the shear keys 4 are buried in the concrete layer 1, the shear keys 4 are L-shaped, one ends of the shear keys 4 are welded on the annular steel plate 2, and the spacing between the shear keys 4 is 100mm. The concrete layer 1 is made of ultra-high performance concrete, the annular steel plate 2 is composed of two semi-annular steel plates 21 which are oppositely locked through bolts, two ends of each semi-annular steel plate 21 radially extend inwards to form an inner radial extension section 211, bolt holes are formed in the inner radial extension sections 211, and the bolt holes of the two semi-annular steel plates 21 are connected through a first bolt 22. The number of the anchor ear 3 is three, and three pairs of anchor ear 3 are respectively arranged at the fracture 6 of the PHC pipe pile 5 and two ends of the annular steel plate 2, and the anchor ear is locked by using a second bolt 31, and the included angle between the joint of the anchor ear 3 and the joint of the semi-annular steel plate is 90 degrees. The outer side of the annular steel plate 21 is provided with 3-layer thick sizing epoxy heavy-duty anticorrosive paint, and the anchor ear 2 is a galvanized anchor ear.
The second embodiment of the utility model is as follows:
the second embodiment differs from the first embodiment in that: the space between the shear keys 4 is 150mm, and 2-layer thick epoxy heavy-duty anticorrosive paint is arranged on the outer side of the annular steel plate 21.
The working principle of the utility model is as follows: the concrete layer 1, the annular steel plate 2 and the anchor ear 3 are sequentially arranged at the fracture part from inside to outside, and the high-strength grouting material in the fracture part 6 is used for repairing the fracture, so that the repairing structure is simple, the operability is strong, the normal operation under water is not influenced during repairing, and the method is suitable for the PHC broken pile of the high pile cap arranged in water; the repairing structure is stable and firm, and the connecting strength of the high pile cap can be maintained after repairing. The concrete layer 1 has ultrahigh durability and ultrahigh mechanical property by using ultrahigh-performance concrete, is suitable for underwater and water surface operation, and can improve the connection strength of broken piles. The binding force of concrete layer and PHC stake can be increased to chisel hair face and wire net, and the inner wall of annular steel sheet 2 is equipped with shear force key 4, prevents to slide and separate each other between annular steel sheet 2 and the concrete layer 1 for both become a whole joint work, thereby improves the joint strength of high pile cap. The annular steel plate 2 consists of two opposite-locking semi-annular steel plates 21, and is convenient to install and transport. Three pairs of anchor ears 3 are respectively arranged at the two ends of the fracture part 6 and the annular steel plate 2, and can fix the repair structure and broken piles of the PHC pipe piles 5 to the greatest extent. The joint is carried out on the two joints, so that the connection strength of the repair structure can be improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. A repairing structure of a PHC broken pile of a high pile cap is characterized by comprising a concrete layer, an annular steel plate and a hoop which are sequentially arranged at the periphery of a fracture part from inside to outside, and high-strength grouting material in the fracture part.
2. The repairing structure of the broken pile of the high pile cap PHC according to claim 1, wherein the concrete layer is made of ultra-high performance concrete.
3. The repairing structure of the broken pile of the high pile cap PHC according to claim 1, wherein the outer surface of the PHC pile contacting the concrete layer is a chiseled surface and is wrapped with a circle of steel wire mesh.
4. The repairing structure for the broken pile of the high pile cap PHC according to claim 1, wherein the inner wall of the annular steel plate is provided with a shear key, and the shear key is buried in the concrete layer.
5. The repairing structure for broken piles of the PHC pile cap according to claim 4, wherein the shear keys are L-shaped, one ends of the shear keys are welded on the annular steel plate, and the interval between the shear keys is not less than 100mm.
6. The repairing structure of broken pile of high pile cap PHC according to claim 1, wherein the annular steel plate is composed of two half-ring steel plates locked to each other.
7. The repairing structure for broken piles of the high pile cap PHC according to claim 6, wherein the two ends of the semi-annular steel plates are extended inwards and radially to form an inner radial extension section, bolt holes are formed in the inner radial extension section, and the bolt holes of the two semi-annular steel plates are connected through a first bolt.
8. The pile cap PHC pile-breaking repairing structure according to claim 6, wherein the angle between the joint of the anchor ear and the joint of the semi-annular steel plate is 90 °.
9. The repairing structure for broken piles of the high pile cap PHC according to claim 1, wherein the number of the anchor hoops is at least three.
10. The repairing structure for broken piles of the high pile cap PHC according to claim 9, wherein when the number of the hoops is three, the three pairs of hoops are respectively arranged at the breaking position and at the two ends of the annular steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455474.XU CN220058131U (en) | 2023-03-10 | 2023-03-10 | Repair structure for PHC broken pile of high pile cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455474.XU CN220058131U (en) | 2023-03-10 | 2023-03-10 | Repair structure for PHC broken pile of high pile cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058131U true CN220058131U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320455474.XU Active CN220058131U (en) | 2023-03-10 | 2023-03-10 | Repair structure for PHC broken pile of high pile cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058131U (en) |
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2023
- 2023-03-10 CN CN202320455474.XU patent/CN220058131U/en active Active
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