CN112900479B - Construction method of implanted single-pile foundation of ocean tidal current energy generator set - Google Patents
Construction method of implanted single-pile foundation of ocean tidal current energy generator set Download PDFInfo
- Publication number
- CN112900479B CN112900479B CN202110112221.8A CN202110112221A CN112900479B CN 112900479 B CN112900479 B CN 112900479B CN 202110112221 A CN202110112221 A CN 202110112221A CN 112900479 B CN112900479 B CN 112900479B
- Authority
- CN
- China
- Prior art keywords
- rock
- socketed
- hole
- pile
- steel pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a construction method of an implanted single-pile foundation of an ocean tidal current energy generator set, which comprises the following steps: step one, building a rock-socketed pile construction platform at a pile position; secondly, hoisting equipment such as a drilling machine, a crawler crane and the like to the platform; step three, completing rock-socketed hole construction by using a rock-socketed drilling machine, and then removing the drilling machine; hoisting the steel pile by using a crane ship and vertically inserting the steel pile into the rock-socketed hole until the steel pile is inserted to the hole bottom of the rock-socketed hole; and fifthly, carrying out concrete construction. The invention adopts the implanted single-pile rock-socketed foundation to bear the ocean tidal current energy generator set, and the ocean tidal current energy generator set is integrally installed on the implanted single-pile rock-socketed foundation after being integrally installed and integrally hoisted.
Description
Technical Field
The invention relates to the field of tidal power generation equipment installation, in particular to a construction method of an implanted single-pile foundation of an ocean tidal power generator set.
Background
With the importance of society on the development and utilization of new energy and years of innovative attempts, the development and utilization of new energy, which is one of main new energy, have undoubtedly developed to a brand new stage and have achieved a lot of positive achievements. However, in the current world, some bottlenecks still exist in tidal current energy development and utilization, for example, a floating structure restricts large-scale development of a tidal current energy unit, difficulty in reef blasting leveling, foundation bed construction and the like is greatly increased due to factors such as water depth rapidness and the like of the gravity structure, and the construction period and the cost are uncontrollable.
Therefore, the research and development of the tidal current power generation foundation structure with simple structure, strong adaptability and high popularization and the matched construction technology thereof are one of the important tasks in the field of tidal current energy research in the world at present.
Disclosure of Invention
The invention aims to provide a construction method of an implanted single-pile foundation of an ocean tidal current energy generator set.
The technical scheme for realizing the purpose of the invention is as follows:
a construction method of an implanted single-pile foundation of an ocean tidal current energy generator set comprises the following steps:
step one, building a rock-socketed pile construction platform at a pile position;
secondly, hoisting equipment such as a drilling machine, a crawler crane and the like to the platform;
step three, completing rock-socketed hole construction by using a rock-socketed drilling machine, and then removing the drilling machine;
hoisting the steel pile by using a crane ship and vertically inserting the steel pile into the rock-socketed hole until the steel pile is inserted to the hole bottom of the rock-socketed hole; the steel pile in the fourth step comprises a steel pile body, a cable protection pipe and a grouting pipe;
fifthly, concrete construction is carried out;
the fifth step is specifically as follows: firstly, vertically installing and lengthening a guide pipe section by section, inserting the guide pipe into the center position in a steel pile, wherein the lower opening of the guide pipe is 300 +/-20 mm away from the hole bottom of a rock embedding hole, the upper opening of the guide pipe is provided with a storage hopper, and the storage hopper is placed on a limiting cross beam; then pouring the bottom sealing concrete into a storage hopper, opening a grout stop valve, and pouring the concrete in the storage hopper into the rock embedding hole along the guide pipe to form the bottom sealing concrete; and finally, starting a grouting machine, performing grouting construction on the annular grouting pipe, opening pile core concrete grouting and outer annular grouting simultaneously when the annular grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of the inner and outer grout to rise synchronously through the grouting speed, and keeping the balance of the inner and outer pressures until the grouting work is finished.
In addition to the above description, the device also comprises a detection pipe, a butt flange, a cable bracket and an overhaul platform; the cable protection pipe, the grouting pipe, the detection pipe, the butt flange, the cable support and the maintenance platform are all processed into a whole with the steel pile body in a factory.
As a further improvement of the invention, the construction platform for the rock-socketed pile is erected at the pile position and comprises: a rock-socketed pile construction platform is erected at the pile position, and the top elevation of the platform is 3 +/-0.5 m higher than the water surface of the high tide level.
As a further improvement of the invention, the hoisting equipment such as a drilling machine, a crawler crane and the like to the platform comprises: after the platform is erected, equipment such as a drilling machine, a crawler crane and the like are hung on the platform, and the drilling machine is installed right above the hole position to be embedded with the rock.
As a further improvement of the invention, the removing drilling machine after completing the rock-socketed hole construction by using the rock-socketed drilling machine comprises:
completing rock-socketed pore-forming by using a rock-socketed drilling machine and adopting a rotary pore-forming process, and timely cleaning the pores;
the hole depth, the hole diameter and the sediment thickness meet the design requirements;
and after the hole is formed, removing the drilling machine.
As a further improvement of the invention, the hoisting ship is used for hoisting the steel pile and vertically inserting the steel pile into the rock-socketed hole until the steel pile is inserted into the hole bottom of the rock-socketed hole, and the hoisting ship comprises:
the steel piles are transported to the site by a transport ship, and lifted and erected by a crane ship;
the guide frame is arranged on the rock-socketed platform to ensure that the steel pile is smoothly inserted into the underwater rock-socketed hole;
a steel pile is aligned to the center of the guide frame and inserted into the rock-socketed hole by using a crane ship until reaching the bottom of the hole;
and straightening the steel pile by utilizing the guide frame and a plurality of groups of jacks arranged in an orthogonal manner, and temporarily fixing the steel pile by utilizing the limiting frame after straightening.
As a further improvement of the invention, the inner wall of the steel pile is provided with an annular grouting pipe, 3 grout outlets are uniformly distributed on the annular grouting pipe along the circumferential direction, and the upper opening of the annular grouting pipe is led to the top of the steel pile.
As a further improvement of the present invention, the performing concrete construction includes:
pouring the bottom sealing concrete into a storage hopper, opening a grout stop valve, and pouring the concrete in the storage hopper into the rock embedding hole along a guide pipe to form the bottom sealing concrete;
and starting a grouting machine to perform grouting construction on the annulus, opening pile core concrete grouting and outer annulus grouting simultaneously when the annulus grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of inner and outer grout to rise synchronously by the grouting speed, and keeping the balance of the inner and outer pressures until the grouting work is finished.
As a further improvement of the invention, the aperture of the rock-socketed hole is 300 +/-50 mm larger than the diameter of the steel pile, and the depth of the rock-socketed hole is 2-5 times of the pile diameter below the medium-stroke rock face.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts an implanted single-pile socketed foundation to bear the ocean tidal current energy generator set, and the ocean tidal current energy generator set is integrally installed on the implanted single-pile socketed foundation after being integrally installed and then integrally hoisted.
2. The implanted single-pile foundation is convenient to construct, and the verticality is easy to control.
3. The invention adopts inside and outside synchronous grouting, realizes the integral forming of the rock-socketed steel pile, synchronous maintenance, reliable quality and greatly saves the construction period and the construction cost.
Drawings
FIG. 1 is a flow chart of a construction method of an implanted single-pile foundation of an ocean tidal current energy generator set;
fig. 2 is a flow chart of an application example of a construction method of an implanted single-pile foundation of the ocean tidal current energy generator set.
Fig. 3 is a schematic structural diagram of one of the construction scenarios of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and that functional, methodological, or structural equivalents thereof, which are equivalent or substituted by those of ordinary skill in the art, are within the scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a construction method of an implanted single-pile foundation of an ocean tidal current energy generator set, including: step one, building a rock-socketed pile construction platform at a pile position; secondly, hoisting equipment such as a drilling machine, a crawler crane and the like to the platform; step three, completing rock-socketed hole construction by using a rock-socketed drilling machine, and then removing the drilling machine; hoisting the steel pile by using a crane ship and vertically inserting the steel pile into the rock-socketed hole until the steel pile is inserted into the hole bottom of the rock-socketed hole; step five, concrete construction is carried out, specifically, the guide pipe is vertically installed section by section and lengthened, the guide pipe is inserted into the center position in the steel pile, the lower opening of the guide pipe is 300 +/-20 mm away from the hole bottom of the rock-socketed hole, the upper opening of the guide pipe is provided with a storage hopper, and the storage hopper is placed on the limiting cross beam; then pouring the bottom sealing concrete into a storage hopper, opening a grout stop valve, and pouring the concrete in the storage hopper into the rock embedding hole along the guide pipe to form the bottom sealing concrete; and finally, starting a grouting machine, performing grouting construction on the annular grouting pipe, opening pile core concrete grouting and outer annular grouting simultaneously when the annular grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of the inner and outer grout to rise synchronously through the grouting speed, and keeping the balance of the inner and outer pressures until the grouting work is finished.
In the embodiment of the invention, a rock-socketed pile construction platform is erected at a pile position, and the rock-socketed pile construction platform comprises: a rock-socketed pile construction platform is erected at the pile position, and the top elevation of the platform is 3 +/-0.5 m higher than the water surface of the high tide level.
In the embodiment of the invention, the hoisting of equipment such as a drilling machine, a crawler crane and the like to a platform comprises the following steps: after the platform is erected, equipment such as a drilling machine, a crawler crane and the like are hung on the platform, and the drilling machine is installed right above the hole position to be embedded with the rock.
In the embodiment of the invention, the removing of the rock-socketed hole after the rock-socketed hole construction is completed by using the rock-socketed drilling machine comprises the following steps:
completing rock-socketed hole forming by using a rock-socketed drilling machine through a rotary hole forming process, and timely cleaning the hole;
the hole depth, the hole diameter and the sediment thickness meet the design requirements;
and after the hole is formed, removing the drilling machine.
In an embodiment of the invention, hoisting a steel pile by using a crane ship and vertically inserting the steel pile into a rock-socketed hole until the steel pile is inserted into the bottom of the rock-socketed hole, the method comprises the following steps:
the steel piles are transported to the site by a transport ship, and lifted and erected by a crane ship;
the guide frame is arranged on the rock-socketed platform to ensure that the steel pile is smoothly inserted into the underwater rock-socketed hole;
the steel pile is aligned to the center of the guide frame and inserted into the rock-socketed hole by using a crane ship until the steel pile reaches the bottom of the hole;
and straightening the steel pile by utilizing the guide frame and a plurality of groups of jacks arranged in an orthogonal manner, and temporarily fixing the steel pile by utilizing the limiting frame after straightening.
In the embodiment of the invention, an annular grouting pipe is arranged on the inner wall of the steel pile, 3 grout outlets are uniformly distributed on the annular grouting pipe along the circumferential direction, and the upper opening of the annular grouting pipe is led to the top of the steel pile.
In an embodiment of the present invention, a concrete construction is performed, including:
pouring the bottom sealing concrete into a storage hopper, opening a grout stop valve, and pouring the concrete in the storage hopper into the rock embedding hole along a guide pipe to form the bottom sealing concrete;
and starting a grouting machine to perform grouting construction on the annulus, opening pile core concrete grouting and outer annulus grouting simultaneously when the annulus grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of inner and outer grout to rise synchronously by the grouting speed, and keeping the balance of the inner and outer pressures until the grouting work is finished.
Referring to fig. 2, in most embodiments of the present invention, a construction method includes:
a rock-socketed pile construction platform is erected at the pile position, and the top elevation of the platform is 3m higher than the water surface of the high tide level. After the platform is erected, equipment such as a drilling machine, a crawler crane and the like are hung on the platform, and the drilling machine is installed right above the hole position to be embedded with the rock. After the preparation work is finished, the rock-socketed drilling machine is used for completing rock-socketed hole forming by adopting a rotary hole forming process, and hole cleaning is carried out in time. The depth, the aperture and the sediment thickness of the hole meet the design requirements. And after the hole is formed, removing the drilling machine.
The steel pile manufacturing is completed in a steel pile manufacturing plant, an annular grouting pipe is arranged on the inner wall of the steel pile, 3 grout outlets are uniformly distributed in the original circumferential direction of the grouting pipe, and the upper opening of the grouting pipe is led to the top of the steel pile. And (4) transporting the steel piles to the site by a transport ship, and hoisting and erecting the steel piles by using a crane ship. In order to ensure that the steel pile is smoothly inserted into the underwater rock-socketed hole, the center of the guide frame and the center of the rock-socketed hole are on the same vertical line, and the guide frame is arranged on the rock-socketed platform. And (4) inserting the steel pile into the rock-socketed hole by aligning the center of the guide frame with the crane ship until the bottom of the hole. And (3) straightening the steel pile by utilizing a guide frame and 4 groups of jacks (arranged in an orthogonal mode), and temporarily fixing the steel pile by utilizing a limiting frame after straightening.
And vertically installing and lengthening a guide pipe with the diameter of 300mm section by section, inserting the guide pipe into the center position in the steel pile, enabling the lower opening of the guide pipe to be 300mm away from the bottom of the rock-socketed hole, installing a storage hopper at the upper opening of the guide pipe, and placing the storage hopper on a limiting cross beam.
After the stirring ship enters the point, bottom sealing concrete (according to theoretical quantity) is poured into the storage hopper. And opening the grout stop valve to allow concrete in the storage hopper to be poured into the rock embedding hole along the guide pipe to form bottom sealing concrete (1 m high).
And then starting a grouting machine to perform grouting construction on the annulus, starting pile core concrete pouring and outer annulus grouting simultaneously when the annulus grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of the inner and outer grout to rise synchronously through the pouring speed, and keeping the balance of the inner and outer pressures until the pouring work is finished, wherein the method is a peak staggering synchronous construction method. The method can realize synchronous pouring inside and outside, so that the rock-socketed steel pile is integrally formed, synchronous maintenance is realized, the quality is reliable, and the construction period and the construction cost are greatly saved.
The embodiment of the invention adopts an embedded single-pile rock-socketed foundation, and a foundation structure consists of steel piles, rock-socketed holes, outer ring hollow grouting and pile core concrete. The steel pile adopts an integrated structure, and a cable protection pipe, a grouting pipe, a detection pipe, a butt flange, a cable support, an overhaul platform and the like are all processed into a whole with the steel pile body in a factory.
The diameter of the rock-socketed hole of the embodiment of the invention is generally 300mm larger than the diameter of the steel pile. The depth of the rock-socketed hole is generally about 3 times of the pile diameter below the medium-weathered rock surface (for example, the depth of the rock-socketed hole is generally about 10.5m when the diameter of the pile is 3.5 m).
As described in fig. 3, the structural diagram in one of the construction scenarios of the present invention is specifically shown in the construction environment in combination with the structure of the embodiment.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. A construction method of an implanted single-pile foundation of an ocean tidal current energy generator set is characterized by comprising the following steps:
step one, building a rock-socketed pile construction platform at a pile position;
step two, hoisting the drilling machine and the crawler crane equipment to a platform;
thirdly, completing rock-socketed hole construction by using a rock-socketed drilling machine through a rotary hole forming process, and then removing the drilling machine;
hoisting the steel pile by using a crane ship and vertically inserting the steel pile into the rock-socketed hole until the steel pile is inserted to the hole bottom of the rock-socketed hole; the inner wall of the steel pile is provided with an annular grouting pipe, 3 grout outlets are uniformly distributed on the annular grouting pipe along the circumferential direction, and the upper opening of the annular grouting pipe is led up to the top of the steel pile;
fifthly, performing concrete construction, namely pouring the bottom sealing concrete into a storage hopper, opening a grout stop valve, and pouring the concrete in the storage hopper into the rock embedding hole along a guide pipe to form the bottom sealing concrete; and starting a grouting machine to perform grouting construction on the annulus, opening pile core concrete grouting and outer annulus grouting simultaneously when the annulus grouting height reaches the same height as the bottom sealing concrete, controlling the elevation of the liquid level of inner and outer grout to rise synchronously by the grouting speed, and keeping the balance of the inner and outer pressures until the grouting work is finished.
2. The construction method according to claim 1, wherein the first step comprises:
building a rock-socketed pile construction platform at the pile position;
the top elevation of the platform is 3 +/-0.5 m higher than the water surface of the high tide level.
3. The method of claim 1, wherein the hoisting the rig and crawler crane apparatus to the platform comprises: after the platform is erected, a drilling machine and crawler crane equipment are hung on the platform, and the drilling machine is installed right above the hole position to be embedded with the rock.
4. The construction method according to claim 1, wherein the removing of the rock-socketed hole after the completion of the rock-socketed hole construction by using the rock-socketed drilling machine comprises:
completing rock-socketed pore-forming by using a rock-socketed drilling machine and adopting a rotary pore-forming process, and timely cleaning the pores;
the hole depth, the hole diameter and the sediment thickness meet the design requirements;
and after the hole is formed, removing the drilling machine.
5. The construction method according to claim 1, wherein the hoisting of the steel pile by the crane ship and the vertical insertion into the rock-socketed hole are performed until the steel pile is inserted to the bottom of the rock-socketed hole, and the method comprises the following steps:
the steel piles are transported to the site by a transport ship, and lifted and erected by a crane ship;
the guide frame is arranged on the rock-socketed platform to ensure that the steel pile is smoothly inserted into the underwater rock-socketed hole;
a steel pile is aligned to the center of the guide frame and inserted into the rock-socketed hole by using a crane ship until reaching the bottom of the hole;
and straightening the steel pile by utilizing the guide frame and a plurality of groups of jacks arranged in an orthogonal mode, and temporarily fixing the steel pile by utilizing the limiting frame after straightening.
6. The construction method according to claim 5, wherein an annular grouting pipe is arranged on the inner wall of the steel pile, 3 grout outlets are uniformly distributed in the annular grouting pipe along the circumferential direction, and the upper opening of the annular grouting pipe is led up to the top of the steel pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112221.8A CN112900479B (en) | 2021-01-27 | 2021-01-27 | Construction method of implanted single-pile foundation of ocean tidal current energy generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110112221.8A CN112900479B (en) | 2021-01-27 | 2021-01-27 | Construction method of implanted single-pile foundation of ocean tidal current energy generator set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112900479A CN112900479A (en) | 2021-06-04 |
| CN112900479B true CN112900479B (en) | 2022-12-09 |
Family
ID=76118960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110112221.8A Active CN112900479B (en) | 2021-01-27 | 2021-01-27 | Construction method of implanted single-pile foundation of ocean tidal current energy generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112900479B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356186B (en) * | 2021-06-25 | 2022-07-15 | 中交第三航务工程局有限公司 | Bottom sealing construction process of offshore wind power implanted steel pipe pile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547293A (en) * | 2018-03-07 | 2018-09-18 | 江苏龙源振华海洋工程有限公司 | A kind of embedding rock single pile plantation construction technology |
| CN108842807B (en) * | 2018-06-29 | 2020-07-31 | 中交第三航务工程局有限公司 | Construction process of offshore wind power foundation implanted rock-socketed single pile |
-
2021
- 2021-01-27 CN CN202110112221.8A patent/CN112900479B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112900479A (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108842807B (en) | Construction process of offshore wind power foundation implanted rock-socketed single pile | |
| CN111945767B (en) | Construction process of pile-first outer jacket type jacket of offshore wind power booster station | |
| EP2837554A1 (en) | Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method | |
| CN205152976U (en) | Marine precast concrete cushion cap wind turbine foundation | |
| CN102953362B (en) | A kind of drilled pile platform be arranged in deep water torrent intectate steep bare rock | |
| CN204370469U (en) | A kind of drilled pile long leg jacket offshore wind turbine foundation | |
| CN111593728A (en) | Embedded rock-socketed pile 'pile-first method' interpolation type jacket foundation construction system | |
| CN111962504A (en) | Construction method for covering and digging top-down permanent steel pipe column | |
| CN113006075B (en) | Steel pipe pile implanting method for implanting rock-socketed pile foundation construction | |
| CN105780806A (en) | Offshore wind turbine foundation for long-leg jacket of drilling piles and construction method of offshore wind turbine foundation | |
| CN113404081A (en) | Suction bucket foundation structure assisting sinking by using high-frequency vibration device and construction method thereof | |
| CN111254918A (en) | Steel trestle steel pipe pile anchoring method reinforced by pile bottom anchor rod | |
| CN110878556B (en) | Construction method of deepwater cofferdam | |
| CN112900479B (en) | Construction method of implanted single-pile foundation of ocean tidal current energy generator set | |
| CN110777775A (en) | Foundation pit structure and construction method thereof | |
| CN111172988A (en) | Pile-first method jacket implanted rock-socketed pile rock-socketed section grouting pipe system | |
| CN110241731A (en) | A method of forming rock-socketed pile foundation in seabed | |
| CN109930624A (en) | A kind of embedding petrographic province blower foundation of offshore wind farm and construction method | |
| CN106049520A (en) | Method for combining concrete base of offshore supporting structure and steel pipe pile | |
| CN114960715B (en) | Underground engineering surge treatment device and control method | |
| CN115288184A (en) | Shallow-covering-layer offshore wind power single-pile composite foundation construction method and composite foundation thereof | |
| JP2020128672A (en) | Installation method of mono-pile foundation for offshore wind power generation and mono-pile foundation for offshore wind power generation | |
| CN112726784B (en) | Full-prefabricated PC sewer inspection well component assembly structure and construction method | |
| CN213709500U (en) | Embedded rock-socketed pile 'pile-first method' interpolation type jacket foundation construction system | |
| CN210636402U (en) | Fixing structure for water supply pipeline of outlet shaft well wall of deep-buried underground powerhouse of hydropower station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Yanqi Inventor after: Gao Hongyan Inventor after: Hu Jinxiong Inventor after: Huang Xiaosong Inventor after: Liang Shengfa Inventor after: Qian Li Inventor after: Li Haixiao Inventor after: Fan Jinan Inventor before: Hu Jinxiong Inventor before: Huang Yanqi Inventor before: Huang Xiaosong Inventor before: Liang Shengfa Inventor before: Qian Li Inventor before: Li Haixiao Inventor before: Fan Jinan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230911 Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. Address before: 315200 No. 462 East Yanjiang Road, Zhenhai District, Zhejiang, Ningbo Patentee before: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. |