CN216839223U - Compound energy dissipation scour prevention device of marine wind-power single pile foundation - Google Patents
Compound energy dissipation scour prevention device of marine wind-power single pile foundation Download PDFInfo
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- CN216839223U CN216839223U CN202123080023.2U CN202123080023U CN216839223U CN 216839223 U CN216839223 U CN 216839223U CN 202123080023 U CN202123080023 U CN 202123080023U CN 216839223 U CN216839223 U CN 216839223U
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Abstract
The utility model discloses an offshore wind-power single pile foundation composite energy dissipation anti-scouring device, including laying the software row around the pile foundation, the software row is formed by connecting the cylinder concrete block that the row was erected into in the horizontal row the central authorities of cylinder concrete block are equipped with the centre bore intussuseption is filled with the energy dissipation filter core, adjacent two all connect through connecting the rope between the cylinder concrete block the space department between software row and the pile foundation is pressed and is filled with the sand bag. The utility model discloses can make the silts of suspension motion locate the siltation at the block center, arrange the block of upper band energy dissipation filter core through the software and increase anti impact ability, reduce the rivers velocity of flow, and then weaken or restrain the scouring force of rivers, can not only reduce the velocity of flow of ocean current, build good silt environment, still help marine ecological environment protection, and the utility model discloses have good antidumping stability, simple structure can save engineering material, and is with low costs.
Description
Technical Field
The utility model relates to an anti-scouring device, especially an offshore wind-power single pile basis composite energy dissipation anti-scouring device.
Background
The global offshore wind power technology is rapidly developed, the installed capacity of the offshore wind power is increased day by day, and China is in the first place of the era, and the installed capacity of the offshore wind power occupies about half of the global total amount. Offshore wind turbine is the core equipment of offshore wind power institute, and wherein the single pile basis is the most used structural style in offshore wind power field, and offshore wind power motor mainly supports on pile foundation basis, and pile foundation installs on the seabed. Due to the complex marine environmental conditions, the offshore wind power motor is subjected to the action of external loads such as wind, waves, currents and the like, so that the seabed around the pile foundation is eroded, scouring pits are gradually formed around the pile foundation, great harm is brought to the overall stability of the pile foundation, and the normal operation and maintenance of the offshore wind power motor are influenced. Therefore, necessary anti-scouring protection measures need to be taken, local scouring around the pile foundation is reduced, and guarantee is provided for normal operation of offshore wind power.
A great deal of research is carried out on the pile foundation scouring protection measures by a plurality of engineering teams and research scholars, wherein the research comprises disturbance flow type measures, bed surface protection type measures and the like. Usually increase safeguard procedures among the prior art on the pile foundation, but because the structure is complicated, the part constitutes more, the installation is inconvenient, and just carry out isolation protection to the pile foundation, therefore scour prevention effect is not ideal. In order to make up for the defects of the existing protective measures, a novel protective measure needs to be provided, and the problem of single-pile foundation scouring is effectively solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that exists among the known art and provide an offshore wind power single pile basis composite energy dissipation anti-scouring device, the device simple structure, simple to operate can effectively promote the silt siltation, reduce the velocity of flow, do not take place to erode around the protection offshore wind power basis.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: the composite energy dissipation and anti-scouring device for the offshore wind power single-pile foundation comprises a soft body row paved around a pile foundation, wherein the soft body row is formed by connecting cylindrical concrete blocks which are arranged in rows and columns, a central hole is formed in the center of each cylindrical concrete block, an energy dissipation filter element is filled in each central hole, every two adjacent cylindrical concrete blocks are connected through a connecting rope, and a sand bag is filled in a gap between each soft body row and the pile foundation.
The energy dissipation filter element is formed by melting and lapping industrial polypropylene random filaments.
Four connecting ropes which are uniformly distributed along the circumferential direction and extend along the radial direction are arranged around the lower part of the cylindrical concrete block body.
The connecting rope is pre-buried in the cylindrical concrete block body and transversely penetrates through the cylindrical concrete block body.
The inner diameter of each cylindrical concrete block is 300mm, the outer diameter of each cylindrical concrete block is 900mm, the height of each cylindrical concrete block is 200mm, and the distance between every two adjacent cylindrical concrete blocks is 100-200 mm.
The utility model has the advantages and positive effects that: through adopting the structure of hollow cylinder concrete block cooperation light-duty energy dissipation filter core for the silt of the suspension motion deposits in block center department, arranges the block of upper band energy dissipation filter core through the software and increases anti impact ability, reduces the rivers velocity of flow, and then weakens or restraines the scouring force of rivers, can not only reduce the velocity of flow of ocean current, builds good silt environment, still helps marine ecological environment protection. The soft mattress is formed by cylindrical concrete blocks, so that the device has good anti-overturning stability. Meanwhile, the soft body row can be prefabricated on land, construction is convenient, and construction efficiency is improved. And the utility model discloses simple structure can save engineering material, and is with low costs.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic view of a partial vertical structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the soft mattress of the present invention;
FIG. 4 is a cross-sectional view of the cylindrical concrete block of the present invention;
fig. 5 is a longitudinal sectional view of fig. 4.
In the figure: 1-pile foundation; 2-sand bag; 3-connecting ropes; 4-cylindrical concrete blocks; 5-energy dissipation filter element.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 5, the composite energy dissipation and erosion prevention device for the offshore wind power single pile foundation comprises a soft body row which is laid around a pile foundation 1 and is formed by connecting cylindrical concrete blocks 4 which are arranged in rows and columns, a central hole is formed in the center of each cylindrical concrete block 4, an energy dissipation filter element 5 is filled in each central hole, two adjacent cylindrical concrete blocks 4 are connected through connecting ropes 3, and a sand bag 2 is filled in a gap between each soft body row and the pile foundation 1 in a pressing mode, so that sand can be prevented from overflowing.
Above-mentioned scour prevention device adopts the structure of the light-duty energy dissipation filter core of hollow cylinder concrete block cooperation for the silt of the suspension movement deposits in concrete block center department, can not only reduce the velocity of flow of ocean current, builds good silt environment, still helps marine ecological environment protection, and engineering material can be saved to this device simultaneously, has better antidumping stability.
In this embodiment, the energy dissipation filter element 5 is formed by melting and lapping industrial polypropylene random filaments, and is made of a light energy dissipation material, so that suspended and moving silt is deposited at the center of a concrete block, the flow rate of ocean current can be reduced, a good silt environment can be created, and the marine ecological environment can be protected.
In this embodiment, four connecting ropes 3 are uniformly distributed along the circumferential direction and extend along the radial direction around the lower portion of the cylindrical concrete block 4. The connecting rope 3 is an anti-aging polypropylene rope with the diameter of 16 mm. The connecting rope 3 is pre-buried in the cylindrical concrete block 4 and transversely penetrates through the cylindrical concrete block 4. Simple structure and convenient manufacture. The inner diameter of the cylindrical concrete block body 4 is 300mm, the outer diameter is 900mm, the height is 200mm, and the weight is about 0.26 t. The distance between two adjacent cylindrical concrete blocks 4 is 100-200 mm.
The construction method of the device comprises the following steps:
1) throwing broken stones to level the surface of the sea bed;
2) prefabricating the soft row on land, and transporting the soft row to a fan site on the sea;
3) hoisting the soft raft to a position above the sea surface by using a hoisting frame, and placing the soft raft on the seabed after adjusting the direction;
4) sonar monitoring is carried out to ensure the construction quality;
5) the sand bags are filled in the range of 2m around the pile foundation, so that the effect of preventing the sand from overflowing is achieved.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the scope of the present invention.
Claims (5)
1. The composite energy dissipation and anti-scouring device for the offshore wind power single pile foundation is characterized by comprising a soft body row laid around a pile foundation, wherein the soft body row is formed by connecting cylindrical concrete blocks which are vertically arranged in a horizontal row, a central hole is formed in the center of each cylindrical concrete block, an energy dissipation filter element is filled in each central hole, two adjacent cylindrical concrete blocks are connected through a connecting rope, and a sand bag is filled in a gap between each soft body row and the pile foundation.
2. The offshore wind power single pile foundation composite energy dissipation and erosion prevention device of claim 1, wherein the energy dissipation filter element is formed by melting and lapping industrial polypropylene random filaments.
3. The offshore wind power single pile foundation composite energy dissipation and anti-scouring device according to claim 1, wherein four connecting ropes which are uniformly distributed in the circumferential direction and extend in the radial direction are arranged around the lower portion of the cylindrical concrete block.
4. The offshore wind power single-pile foundation composite energy dissipation and anti-scouring device according to claim 1, wherein the connecting ropes are embedded in the cylindrical concrete blocks and penetrate through the cylindrical concrete blocks.
5. The offshore wind power single pile foundation composite energy dissipation and erosion prevention device as claimed in claim 1, wherein the inner diameter of the cylindrical concrete blocks is 300mm, the outer diameter is 900mm, the height is 200mm, and the distance between two adjacent cylindrical concrete blocks is 100 mm and 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123080023.2U CN216839223U (en) | 2021-12-09 | 2021-12-09 | Compound energy dissipation scour prevention device of marine wind-power single pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123080023.2U CN216839223U (en) | 2021-12-09 | 2021-12-09 | Compound energy dissipation scour prevention device of marine wind-power single pile foundation |
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| CN216839223U true CN216839223U (en) | 2022-06-28 |
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| CN202123080023.2U Active CN216839223U (en) | 2021-12-09 | 2021-12-09 | Compound energy dissipation scour prevention device of marine wind-power single pile foundation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538495A (en) * | 2022-10-18 | 2022-12-30 | 河北工程大学 | Marine wind power polygon basis scour protection system |
| CN116791681A (en) * | 2023-08-14 | 2023-09-22 | 上海勘测设计研究院有限公司 | Scour prevention structure of underwater pile foundation and construction method |
-
2021
- 2021-12-09 CN CN202123080023.2U patent/CN216839223U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538495A (en) * | 2022-10-18 | 2022-12-30 | 河北工程大学 | Marine wind power polygon basis scour protection system |
| CN116791681A (en) * | 2023-08-14 | 2023-09-22 | 上海勘测设计研究院有限公司 | Scour prevention structure of underwater pile foundation and construction method |
| CN116791681B (en) * | 2023-08-14 | 2023-12-19 | 上海勘测设计研究院有限公司 | Scour prevention structure of underwater pile foundation and construction method |
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