CN211547794U - Multi-cylinder jacket foundation connected by grouting - Google Patents
Multi-cylinder jacket foundation connected by grouting Download PDFInfo
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- CN211547794U CN211547794U CN201922029048.6U CN201922029048U CN211547794U CN 211547794 U CN211547794 U CN 211547794U CN 201922029048 U CN201922029048 U CN 201922029048U CN 211547794 U CN211547794 U CN 211547794U
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- connecting cylinder
- grouting
- insertion section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model relates to a multi-cylinder jacket foundation connected by grouting, which comprises a jacket and a plurality of suction cylinder foundations, wherein a connecting cylinder section is welded on a cylinder top cover at the upper end of each suction cylinder foundation, an insertion section at the lower end of each support leg at the lower end of the jacket is respectively inserted into the connecting cylinder section on each suction cylinder foundation, the lower end of the insertion section is provided with a guide cone section with a big top and a small bottom, a plurality of layers of sealing rubber rings are arranged at the periphery of the insertion section above the guide cone section at intervals from top to bottom, the inner sides of the sealing rubber rings are fixedly connected with the outer wall of the insertion section, the outer sides of the sealing rubber rings are tightly attached to the inner surface of the connecting cylinder section, a plurality of layers of reinforcing steel bar shear keys are arranged at the periphery of the insertion section above the sealing rubber ring at the uppermost layer at intervals from top to bottom, a grouting part, this foundation structure is simple, and construction convenience, need not the rock-socketed, effectively reduce the processing, transport and the installation degree of difficulty for the construction progress.
Description
Technical Field
The utility model relates to an adopt many tubes jacket basis of grout connection.
Background
At present, offshore wind power plant construction in China is gradually promoted to the deep sea, and the external load on a fan foundation is in a rapid increasing trend due to the severe marine hydrological conditions of the deep sea. The jacket structure foundation has obvious advantages in a deepwater environment due to the space truss structure of the jacket structure foundation in combination with the current offshore wind power development situation. Meanwhile, for the rock-based seabed with a thin covering layer, rock-socketed construction can be avoided by adopting a multi-cylinder jacket foundation, and the method has a large-scale application trend in the field of domestic offshore wind power. However, the structure of the suction pile jacket is large in size and high in overall height due to the fact that the water depth is too deep, so that onshore processing plants cannot process and hoist, and offshore plants cannot transport the suction pile jacket integrally, and therefore application of the suction pile jacket foundation is limited.
Disclosure of Invention
The utility model provides an adopt many tubes jacket basis of grout connection.
The utility model solves the technical problem by adopting the scheme that a multi-cylinder jacket foundation adopting grouting connection comprises a jacket and a plurality of suction cylinder foundations, wherein a connecting cylinder section is welded on a cylinder top cover at the upper end of each suction cylinder foundation, the insertion sections at the lower ends of all supporting legs at the lower end of the jacket are respectively inserted into the connecting cylinder sections on the suction cylinder foundation, the lower ends of the insertion sections are provided with guide pyramids with big top and small bottom, the periphery of the insertion sections is provided with a plurality of layers of sealing rubber rings above the guide pyramids at intervals from top to bottom, the inner sides of the sealing rubber rings are fixedly connected with the outer walls of the insertion sections, the outer sides of the sealing rubber rings are tightly attached to the inner surfaces of the connecting cylinder sections, the periphery of the insertion sections and the periphery of the uppermost sealing rubber rings are provided with a plurality of reinforcing steel bar shear keys at intervals from top to bottom, a grouting part is formed, the connecting cylinder section is connected with the inserting section in a grouting manner.
Furthermore, a grouting pipeline communicated with the grouting part is arranged in the jacket.
Furthermore, two grouting pipelines are arranged.
Furthermore, the guide cone part is a plurality of guide plates which are welded at the lower end of the insertion section and are uniformly distributed on the circumference.
Further, the sealing rubber ring comprises a taper sleeve part and a straight cylinder part which are sequentially connected from top to bottom, the straight cylinder part is fixedly connected with the insertion section through a fixing bolt, and the outer end of the taper sleeve part extends upwards in an inclined mode and contacts with the connecting cylinder section.
Furthermore, the connecting cylinder sections on the adjacent suction cylinder bases are welded through the connecting beams.
Furthermore, a plurality of reinforcing rib plates are uniformly distributed on the periphery of the lower part of the connecting cylinder section and welded with the connecting cylinder section and the cylinder top cover.
Compared with the prior art, the utility model discloses following beneficial effect has: simple structure, reasonable in design, construction convenience, need not the rock-socketed, jacket and suction section of thick bamboo adopt split type design and construction, carry out effective connection through grout connection structure, under the prerequisite that satisfies fan foundation structure safety, effectively reduce the processing, transport and the installation degree of difficulty for the construction progress, the control engineering investment.
Drawings
The following describes the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present suction pile jacket foundation;
fig. 2 is a schematic view of a connection structure of a suction pile and a jacket.
In the figure: 1-a jacket; 2-a suction cylinder foundation; 3-connecting the cylinder sections; 301-a reinforcing floor; 4-connecting the beams; 5-mud surface elevation; 6-cylinder top cover; 7-an insertion section; 8-grouting pipelines; 9-grouting material; 10-a pilot cone; 11-sealing rubber ring; 12-reinforcing bar shear key.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in figure 1-2, a multi-cylinder jacket foundation connected by grouting comprises a jacket and a plurality of suction cylinder foundations, wherein a connecting cylinder section is welded on a cylinder top cover at the upper end of each suction cylinder foundation, an insertion section at the lower end of each support leg at the lower end of the jacket is respectively inserted into the connecting cylinder section on each suction cylinder foundation, the lower end of the insertion section is provided with a guide cone section with a large upper part and a small lower part, the guide cone section enables the insertion process to be smoother, a plurality of layers of sealing rubber rings are arranged above the guide cone section at intervals from top to bottom on the periphery of the insertion section, the sealing rubber ring at the uppermost layer is mainly used for grouting and sealing, the dredging function of the inner wall of the connecting cylinder section is considered, the rest layers are mainly used for dredging the inner wall of a pile, the inner side of the sealing rubber ring is fixedly connected with the outer wall of the insertion section, the outer side is tightly, reinforcing bar shear key can increase the insertion section, the area of contact of connecting cylinder section and grout material, thereby increase the cohesive force of grout material, the insertion section periphery, form grout portion between the sealing rubber circle of superiors and the connecting cylinder section inner wall, grout portion intussuseption is filled with grout material, the connecting cylinder section is connected with the insertion section grout, insert a plurality of above-mentioned sealing rubber circles of connecting cylinder section in-process extrusion at the insertion section, make it produce radial pressure to connecting cylinder section outer wall, thereby realize inserting the automatic desilting of in-process sealing rubber circle to connecting cylinder section inner wall at the insertion section.
In this embodiment, a grouting pipeline communicated with the grouting part is arranged in the jacket.
In this embodiment, two grouting pipelines are provided, and one of the grouting pipelines is a spare pipeline.
In this embodiment, the guide cone is a plurality of guide plates welded to the lower end of the insertion section and uniformly distributed on the circumference.
In this embodiment, the sealing rubber circle is including the taper sleeve portion, the straight section of thick bamboo portion that from top to bottom connects gradually, and straight section of thick bamboo portion is connected fixedly through fixing bolt and insertion section, and taper sleeve portion outer end slant upwards extends and is contacted with connecting cylinder section.
In this embodiment, the connecting cylinder sections on the adjacent suction cylinder bases are welded via the connecting beams.
In this embodiment, a plurality of reinforcing ribs are uniformly distributed on the periphery of the lower portion of the connecting barrel section, and the reinforcing ribs are welded with the connecting barrel section and the barrel top cover.
The above-mentioned preferred embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (7)
1. The utility model provides an adopt a many section of thick bamboo jacket basis of grout connection, includes jacket, a plurality of suction section of thick bamboo basis, its characterized in that: the welding has the connecting cylinder section on the section of thick bamboo top cover of suction section of thick bamboo basis upper end, the insertion section of each landing leg lower extreme of jacket lower extreme inserts respectively in the connecting cylinder section on a suction section of thick bamboo basis, the insertion section lower extreme is provided with big-end-up's direction pyramis, the insertion section periphery is provided with a plurality of layers of sealing rubber circle in direction pyramis top from top to bottom interval, sealing rubber circle inboard links firmly with the insertion section outer wall, the outside closely laminates with connecting cylinder section internal surface, the insertion section periphery sets up multilayer reinforcing bar shear key in the sealing rubber circle top of superiors from top to bottom interval, the insertion section periphery, form grout portion between the sealing rubber circle of superiors and the connecting cylinder section inner wall, grout material is filled to grout portion intussuseption, the connecting cylinder section is.
2. The multi-tube jacket foundation connected by grouting according to claim 1, characterized in that: and a grouting pipeline communicated with the grouting part is arranged in the jacket.
3. The multi-tube jacket foundation connected by grouting according to claim 2, wherein: two grouting pipelines are arranged.
4. The multi-tube jacket foundation connected by grouting according to claim 1, characterized in that: the guide cone part is a plurality of guide plates which are welded at the lower end of the insertion section and are uniformly distributed on the circumference.
5. The multi-tube jacket foundation connected by grouting according to claim 1, characterized in that: the sealing rubber ring comprises a taper sleeve part and a straight cylinder part which are sequentially connected from top to bottom, the straight cylinder part is fixedly connected with the insertion section through a fixing bolt, and the outer end of the taper sleeve part extends upwards in an inclined mode and is in contact with the connecting cylinder section.
6. The multi-tube jacket foundation connected by grouting according to claim 1, characterized in that: the connecting cylinder sections on the adjacent suction cylinder bases are welded through the connecting beams.
7. The multi-tube jacket foundation connected by grouting according to claim 1, characterized in that: and a plurality of reinforcing rib plates are uniformly distributed on the periphery of the lower part of the connecting cylinder section and welded with the connecting cylinder section and the cylinder top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029048.6U CN211547794U (en) | 2019-11-22 | 2019-11-22 | Multi-cylinder jacket foundation connected by grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029048.6U CN211547794U (en) | 2019-11-22 | 2019-11-22 | Multi-cylinder jacket foundation connected by grouting |
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| Publication Number | Publication Date |
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| CN211547794U true CN211547794U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922029048.6U Active CN211547794U (en) | 2019-11-22 | 2019-11-22 | Multi-cylinder jacket foundation connected by grouting |
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| CN (1) | CN211547794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202103A (en) * | 2021-05-06 | 2021-08-03 | 中山大学 | Grouting plugging method for offshore wind turbine pile foundation |
-
2019
- 2019-11-22 CN CN201922029048.6U patent/CN211547794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202103A (en) * | 2021-05-06 | 2021-08-03 | 中山大学 | Grouting plugging method for offshore wind turbine pile foundation |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.158, Dongda Road, Fuzhou, Fujian 350000 Patentee after: Fujian Water Resources and Hydropower Survey, design and Research Institute Co.,Ltd. Patentee after: Fujian Funeng Strait Power Generation Co.,Ltd. Address before: No. 158, Dongda Road, Gulou District, Fuzhou City, 350000, Fujian Province Patentee before: FUJIAN PROVINCIAL INVESTIGATION DESIGN & Research Institute OF WATER CONSERVANCY AND HYDROPOWER Patentee before: Fujian Funeng Strait Power Generation Co.,Ltd. |