CN219060107U - Implanted single pile foundation - Google Patents
Implanted single pile foundation Download PDFInfo
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- CN219060107U CN219060107U CN202320072122.6U CN202320072122U CN219060107U CN 219060107 U CN219060107 U CN 219060107U CN 202320072122 U CN202320072122 U CN 202320072122U CN 219060107 U CN219060107 U CN 219060107U
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- immersed tube
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- stiffening ribs
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Abstract
The utility model relates to an implanted single pile foundation, which comprises a foundation cylinder, wherein the lower end of the foundation cylinder is provided with a immersed tube with a closed lower surface and an open upper surface, the inner bottom of the immersed tube is connected with the bottom of the foundation cylinder, a plurality of immersed tube stiffening ribs are arranged in an annular array in the immersed tube, one end of each immersed tube stiffening rib is connected with the inner wall of the immersed tube, the other end of each immersed tube stiffening rib is connected with the outer peripheral side of the foundation cylinder, the immersed tube, the foundation cylinder and the immersed tube stiffening ribs enclose a plurality of immersed tube compartments, a plurality of through holes are formed in each immersed tube stiffening rib, a water inlet is formed in the outer peripheral side of each immersed tube, the water inlet is communicated with one immersed tube compartment, and a water inlet valve is arranged on the water inlet. The utility model effectively avoids a series of risks such as pile sliding, puncture and the like caused by pile foundation piling construction, simultaneously avoids a series of problems such as shortage of piling equipment and a fan installation ship, can reduce engineering cost and improves economic benefit.
Description
Technical Field
The utility model relates to the technical field of offshore wind power equipment, in particular to an implanted single pile foundation.
Background
The offshore wind energy has the advantages of high wind speed, long duration, environmental protection and the like, is a clean energy source for strong development, but the offshore wind power construction sea area condition of China is complex, the variability of water depth and engineering geological conditions is large, the traditional fan foundation mainly comprises a jacket, a single pile, a high pile cap, a suction pile and gravity type, the fan foundation is mainly installed through piling, the piling possibly causes a series of problems of pile sliding, puncture and the like due to inaccurate geological drilling, and large piling equipment is also needed, so that the installation cost is increased.
Disclosure of Invention
The utility model aims to provide an implanted single pile foundation, which can be installed without piling equipment.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an implanted single pile foundation, includes the foundation drum, the lower extreme of foundation drum is provided with the immersed tube section of thick bamboo that the lower surface is sealed and the upper surface is open, the interior bottom of immersed tube section of thick bamboo with the bottom of foundation drum is connected, annular array has a plurality of immersed tube stiffening ribs in the immersed tube section of thick bamboo, the one end and the inner wall connection of immersed tube section of thick bamboo of immersed tube stiffening rib, the other end of immersed tube stiffening rib with the periphery side of foundation drum is connected, a plurality of immersed tube compartments are enclosed into with a plurality of immersed tube stiffening ribs to immersed tube section of thick bamboo, a plurality of through-holes have been seted up on the immersed tube stiffening rib, a water inlet has been seted up to the periphery side of immersed tube section of thick bamboo, the water inlet with one immersed tube compartment intercommunication, be provided with the inlet valve on the water inlet.
Further, the foundation cylinder is a thin-wall round steel cylinder.
Further, a fan tower is connected to the top of the foundation cylinder through a flange.
Furthermore, the foundation round tube and the immersed tube are rigidly connected.
Furthermore, stones or concrete are filled in the immersed tube compartment.
The utility model has the beneficial effects that: the utility model realizes that the foundation can be installed without piling equipment; according to the utility model, the sinking pipe barrel, the water inlet and the water inlet valve are added into the device, so that the foundation can be floated, the foundation is submerged under the injection water, and the foundation is sunk into the soil body of the machine position to drill a reserved hole with the aperture slightly larger than that of the sinking pipe in advance; the stiffening ribs and the through holes are added into the device, so that the immersed tube can be divided into a plurality of immersed tube compartments, water can be distributed into each compartment through the through holes during sinking, the structural strength of the immersed tube and the basic cylinder can be enhanced by the immersed tube stiffening ribs, and stones are backfilled in the immersed tube compartments, so that the anti-overturning capacity of the immersed tube is improved by increasing the weight of different compartments; the pile foundation pile driving construction method can effectively avoid a series of risks such as pile sliding and puncture possibly caused by pile foundation pile driving construction, simultaneously avoid a series of problems such as shortage of pile driving equipment and a fan installation ship, reduce construction cost and improve economic benefit.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the soil body installed in the machine position according to the utility model;
fig. 3 is a cross-sectional view taken along the direction A-A in fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present utility model provides an embodiment: the utility model provides an implanted single pile foundation, includes foundation drum 1, foundation drum 1's lower extreme is provided with the immersed tube section of thick bamboo 2 that the lower surface is sealed and the upper surface is open, the interior bottom of immersed tube section of thick bamboo 2 with the bottom of foundation drum 1 is connected, annular array has a plurality of immersed tube stiffening ribs 3 in the immersed tube section of thick bamboo 2, the one end of immersed tube stiffening rib 3 is connected with the inner wall of immersed tube section of thick bamboo 2, the other end of immersed tube stiffening rib 3 with the periphery side of foundation drum 1 is connected, immersed tube section of thick bamboo 2, foundation drum 1 and a plurality of immersed tube stiffening ribs 3 enclose into a plurality of immersed tube compartment 4, a plurality of through-holes 5 have been seted up on the immersed tube stiffening rib 3, a water inlet 6 has been seted up to the periphery side of immersed tube section of thick bamboo 2, water inlet 6 with one immersed tube compartment 4 intercommunication, be provided with water inlet valve (not shown) on the water inlet 6. The foundation cylinder 1 is used for installing a fan, the immersed tube 2 is used for driving the foundation cylinder 1 to sink and can also carry out floating transportation, the immersed tube 2 is of a box-shaped structure with bottoms, the sinking or floating of the immersed tube can be controlled by adjusting the water amount of ballast water in the immersed tube 2, in the process of transporting and installing the immersed tube, a worker at the top of the immersed tube is required to open a water inlet 6 through a water inlet valve (not shown) in the process of injecting the immersed tube 2 into the immersed tube for submerged operation, the water inlet valve (not shown) is adjusted for controlling the water inlet speed, and the worker at the top of the immersed tube 2 is required to place a submerged pump body in an immersed tube compartment 4 of the immersed tube 2 for water discharge through a submerged pump, and the submerged pump is used for water discharge at the top of the immersed tube 2; the through holes 5 enable all immersed tube compartments 4 to be communicated, and water can enter all immersed tube compartments 4 through the through holes 5; the stiffening ribs 3 are used for strengthening the structural strength of the sinking pipe barrel 2 and avoiding being pressed to deform by the seawater pressure.
With continued reference to fig. 1 to 3, in an embodiment of the present utility model, the base cylinder 1 is a thin-walled steel cylinder.
With continued reference to fig. 1 and 2, in an embodiment of the present utility model, a fan tower 7 is connected to the top of the base cylinder 1 via a flange. The fan tower 7 is used for installing a fan.
With continued reference to fig. 1 and 2, in an embodiment of the present utility model, the base pipe 1 and the immersed tube 2 are rigidly connected.
In one embodiment of the utility model, the immersed tube compartment 4 is filled with stone or concrete. Rock or concrete is backfilled in the caisson compartment 4 during sinking to increase the anti-overturning capacity of the caisson by increasing the weight of the different compartments.
The utility model has the following working principle: pre-drilling reserved holes with the aperture slightly larger than that of the immersed tube 2 at the machine soil body, and reinforcing a foundation bed; transporting the foundation to a wind farm; the foundation is sunk, a water inlet valve (not shown) is opened to perform water injection sinking on the sinking pipe cylinder 2; after sinking to a certain depth, backfilling stone or sand grouting in the immersed tube compartment 4, and controlling verticality; performing settlement observation, controlling the settlement depth, and repeatedly backfilling stone or sand grouting into the immersed tube compartment 4 until the settlement depth meets the construction requirement when the settlement depth is insufficient; grouting in a gap between the reserved hole and the immersed tube 2; and after grouting reaches the design requirement, finishing foundation installation.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. An implantable single pile foundation, characterized in that: the immersed tube type water inlet valve comprises a foundation cylinder, wherein the lower end of the foundation cylinder is provided with an immersed tube with a closed lower surface and an open upper surface, the inner bottom of the immersed tube is connected with the bottom of the foundation cylinder, a plurality of immersed tube stiffening ribs are arranged in an annular array in the immersed tube, one ends of the immersed tube stiffening ribs are connected with the inner wall of the immersed tube, the other ends of the immersed tube stiffening ribs are connected with the outer periphery side of the foundation cylinder, the immersed tube, the foundation cylinder and the plurality of immersed tube stiffening ribs enclose a plurality of immersed tube compartments, a plurality of through holes are formed in the immersed tube stiffening ribs, a water inlet is formed in the outer periphery side of the immersed tube, the water inlet is communicated with one immersed tube compartment, and a water inlet valve is arranged on the water inlet.
2. An implantable monopile foundation according to claim 1 wherein: the foundation cylinder is a thin-wall round steel cylinder.
3. An implantable monopile foundation according to claim 1 wherein: the top of the basic cylinder is connected with a fan tower through a flange.
4. An implantable monopile foundation according to claim 1 wherein: the foundation cylinder and the immersed tube cylinder are rigidly connected.
5. An implantable monopile foundation according to claim 1 wherein: and stones or concrete is filled in the immersed tube compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320072122.6U CN219060107U (en) | 2023-01-10 | 2023-01-10 | Implanted single pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320072122.6U CN219060107U (en) | 2023-01-10 | 2023-01-10 | Implanted single pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219060107U true CN219060107U (en) | 2023-05-23 |
Family
ID=86349117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320072122.6U Active CN219060107U (en) | 2023-01-10 | 2023-01-10 | Implanted single pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219060107U (en) |
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2023
- 2023-01-10 CN CN202320072122.6U patent/CN219060107U/en active Active
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