CN102277878A - Floating foundation and construction method thereof - Google Patents
Floating foundation and construction method thereof Download PDFInfo
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- CN102277878A CN102277878A CN2011101228562A CN201110122856A CN102277878A CN 102277878 A CN102277878 A CN 102277878A CN 2011101228562 A CN2011101228562 A CN 2011101228562A CN 201110122856 A CN201110122856 A CN 201110122856A CN 102277878 A CN102277878 A CN 102277878A
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- buoyancy tank
- anchor chain
- anchor
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- buoyant foundation
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 238000007667 floating Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000009417 prefabrication Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention discloses a floating foundation which comprises an anchor tying system, wherein the anchor tying system comprises an anchor body and an anchor chain connected to the anchor body; a concentric-circle-liked hollow closed steel foundation buoyancy tank is connected to the anchor chain, and the center of the foundation buoyancy tank is provided with an installation platform; a water passing loop, an anchor chain passage and an anchor chain fixing device are arranged on the foundation buoyancy tank; and the anchor chain passes through the anchor chain passage and is connected with the anchor chain fixing device. The invention also discloses a construction method of the floating foundation. According to the invention, the foundation buoyancy tank can be simply and conveniently located in water, thus equipment is convenient for installation and the floating foundation is avoided from being influenced by water waves. The floating foundation has the advantages of simpleness and rapidness in construction, less quantity of required construction equipment, no need of special floating foundation construction equipment and integral prefabrication, integrated transportation, low construction cost and low comprehensive construction cost.
Description
Technical field
The present invention relates to a kind of buoyant foundation and job practices thereof, but particularly relate to a kind of buoyant foundation and job practices thereof of transportation by driving.
Background technology
At present, at sea in the wind-powered electricity generation engineering, the basis generally includes: single pile (Mono-pile), tripod (Tripod), jacket-type basis (Jacket), gravity basis (Gravity based), negative pressure bucket base (Suction Bucket) and floating platform structure (Floating type) etc. are several.These bases need on-the-spot installation or integral prefabricated usually, and whole Transporting is carried out the installation of blower fan then again after foundation construction is finished.Expense is higher when construct in the marine site in above-mentioned basis, and especially the construction equipment to the buoyant foundation requires than higher.
Summary of the invention
But the present invention provides a kind of buoyant foundation and job practices thereof of transportation by driving for solving the technical problem that exists in the known technology, and this basis and job practices thereof can obviously reduce the construction cost on basis.
First technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: but a kind of buoyant foundation of transportation by driving comprises being anchor system, and described is that anchor system comprises anchor body and the anchor chain that is connected on the anchor body; Be connected with three-back-shaped hollow airtight steel basis buoyancy tank on the described anchor chain, the central authorities of described basic buoyancy tank are provided with mounting platform, described basic buoyancy tank was provided with water lines, anchor chain path and anchor chain fastening devices, and described anchor chain passes described anchor chain path and is connected with described anchor chain fastening devices.
Described anchor body is suction anchor or dull and stereotyped anchor.
Second technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: but the job practices of the buoyant foundation of above-mentioned transportation by driving may further comprise the steps:
The first step, prefabricated three-back-shaped hollow airtight steel basis buoyancy tank, the auxiliary buoyancy tank of construction and tube connector; The central authorities of described basic buoyancy tank are provided with mounting platform, and described basic buoyancy tank was provided with water lines, anchor chain path and anchor chain fastening devices; The auxiliary buoyancy tank of described construction is the three-back-shaped hollow airtight steel buoyancy tank of detachable combined type, and the auxiliary buoyancy tank of described construction is provided with anchor chain path and anchor chain fastening devices;
In second step, the anchor body puts in place by the position construction of design in advance, connects anchor chain on the anchor body, connects the buoy ball on anchor chain;
The 3rd goes on foot, and adopts tube connector that buoyant foundation buoyancy tank and the auxiliary buoyancy tank of construction are linked together by removably connecting, and makes described tube connector assist the anchor chain path on the buoyancy tank all to be communicated with anchor chain path and described construction on the buoyancy tank of described buoyant foundation; According to buoy ball indicating positions that the auxiliary buoyancy tank transportation by driving of tube connector, buoyant foundation buoyancy tank and construction that fuses is in place, anchor chain is passed anchor chain path on the auxiliary buoyancy tank of the structural anchor chain path in buoyant foundation, tube connector and construction from bottom to up successively, and be connected on the anchor chain fastening devices on the auxiliary buoyancy tank of construction;
The 4th step, by the mistake water lines water filling in the buoyancy tank of buoyant foundation on the basic buoyancy tank, making it lose part buoyancy moves down, when its complete entry, the auxiliary buoyancy tank of the construction that floats on the surface provides integrally-built buoyancy, stop water filling, equipment is installed on the mounting platform of buoyant foundation buoyancy tank;
The 5th step, anchor chain is removed from the auxiliary buoyancy tank of constructing, be connected on the anchor chain fastening devices on the buoyancy tank of buoyant foundation, the water body in the buoyancy tank of buoyant foundation to be extracted out by the mistake water lines on it, anchor chain is tightened; To construct and assist buoyancy tank and tube connector to remove, the buoyant foundation construction finishes.
Described tube connector is connected with the auxiliary buoyancy tank of described buoyant foundation buoyancy tank and described construction by crab-bolt or self-disassembling device.
Advantage and good effect that the present invention has are: by adopting three-back-shaped hollow airtight steel basis buoyancy tank, and the collaborative construction operation by auxiliary buoyancy tank of construction and tube connector, the buoyancy that the method adjustment basis buoyancy tank of employing water filling and draining in basic buoyancy tank is subjected to, can simply and easily basic buoyancy tank be positioned in the water, not only made things convenient for the installation of equipment, and made the buoyant foundation avoid being subjected to the influence of stormy waves waterborne; The present invention constructs simply, fast, required construction equipment seldom need not special buoyant foundation construction equipment, also need not integral prefabricated, whole Transporting, construction cost is low, comprehensive cost is low.
Description of drawings
Fig. 1 is for implementing the schematic diagram in second step of job practices of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is for implementing the schematic diagram in the 3rd step of job practices of the present invention;
Fig. 4 is the vertical view of buoyant foundation buoyancy tank in the job practices of the present invention;
Fig. 5 is the vertical view of the auxiliary buoyancy tank of construction in the job practices of the present invention;
Fig. 6 is for implementing the schematic diagram in the 4th step of job practices of the present invention;
Fig. 7 is the enforcement schematic diagram in the 5th step of job practices of the present invention, but that is the structural representation of the buoyant foundation of the present invention's transportation by driving.
Among the figure: 1, suction anchor, 2, anchor chain, 3, the buoy ball, 4, tube connector, 5, the buoyant foundation buoyancy tank, 6, the auxiliary buoyancy tank of construction, 7, the anchor chain path, 8, the anchor chain path, 9, cross, 10, the blower fan tower barrel mounting platform, 11, blower fan, 12, the anchor chain fastening devices.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 7, but a kind of offshore wind turbine buoyant foundation of transportation by driving comprises being anchor system and three-back-shaped hollow airtight steel basis buoyancy tank 5; Be the steel suction anchor 1 that anchor system comprises the high 6m of diameter 3m, the steel anchor chain 2 of bearing capacity 100t; The high 10m of the three-back-shaped hollow airtight steel basis buoyancy tank wide 50m of 5 long 50m, hollow is of a size of 30m * 30m, wherein be welded with cross support 9, the central authorities of cross support 9 are provided with circular blower fan 11 tower tube mounting platforms 10, the diameter of mounting platform 10 is 8m, and cross support 9 employing cross sections are that the square steel of 50cm * 50cm is welded.Four bights are respectively equipped with the anchor chain path 7 of diameter 15cm on the buoyancy tank of basis, also are provided with anchor chain fastening devices 12 and mistake water lines (not shown) anchor chain 2 on the basic buoyancy tank and pass anchor chain path 7 and be connected with anchor chain fastening devices 12.
Above-mentioned suction anchor also can replace with dull and stereotyped anchor, and material is a steel; Above-mentioned anchor chain is generally the steel anchor chain; Above-mentioned basic buoyancy tank 5 is generally steel, and is long and wide more than 30m, and height is more than 5m, and middle blower fan tower barrel mounting platform can be for circular or square.
Above-mentioned buoyant foundation not only can be used for offshore wind turbine 11, can also be used for other marine equipment, for example: marine anemometer tower etc.
But the job practices of the buoyant foundation of above-mentioned transportation by driving may further comprise the steps:
The first step, prefabricated above-mentioned three-back-shaped hollow airtight steel basis buoyancy tank 5, the auxiliary buoyancy tank 6 of construction and tube connector 4; The auxiliary buoyancy tank of described construction is the three-back-shaped hollow airtight steel buoyancy tank of detachable combined type, the auxiliary removable at least two parts that are divided into of buoyancy tank 6 of construction; So that the dismounting after the equipment installation; The auxiliary buoyancy tank of described construction is provided with anchor chain path 8 and anchor chain fastening devices (not shown); The auxiliary high 10m of the buoyancy tank wide 50m of 6 long 50m of construction in the present embodiment, four bights of the auxiliary buoyancy tank 6 of construction are respectively equipped with the anchor chain path 8 of diameter 15cm.
In second step, the anchor body puts in place by the position construction of design in advance, connects anchor chain 2 on the anchor body, connects buoy ball 3 on anchor chain 2;
The 3rd step, adopt tube connector 4 that buoyant foundation buoyancy tank 5 and the auxiliary buoyancy tank 6 of construction are linked together by removably connecting, and make described tube connector 4 assist the anchor chain path 8 on the buoyancy tank all to be communicated with anchor chain path 7 and described construction on the buoyancy tank of described buoyant foundation, to form the passage of anchor chain; Indicating positions according to buoy ball 3 is in place with auxiliary buoyancy tank 6 transportation by drivings of tube connector 4, buoyant foundation buoyancy tank 5 and construction that fuse, anchor chain 3 is passed anchor chain path 8 on the structural anchor chain path 7 in buoyant foundation, tube connector 4 and the auxiliary buoyancy tank of construction from bottom to up successively, and be connected on the anchor chain fastening devices on the auxiliary buoyancy tank of construction; Above-mentioned tube connector 4 can be connected with buoyant foundation buoyancy tank 5 and the auxiliary buoyancy tank 6 of construction by crab-bolt or self-disassembling device, so that the dismounting after the equipment installation.
The 4th step, by the mistake water lines water filling in buoyant foundation buoyancy tank 5 on the basic buoyancy tank, making it lose part buoyancy moves down, when its complete entry, the auxiliary buoyancy tank 6 of the construction that floats on the surface provides integrally-built buoyancy, stops water filling, equipment is installed on the mounting platform 10 of buoyant foundation buoyancy tank, at this moment, the buoyancy of total system is provided by the auxiliary buoyancy tank 6 of construction;
The 5th step, anchor chain 2 is removed from the auxiliary buoyancy tank 6 of constructing, be connected on the anchor chain fastening devices 12 on the buoyant foundation buoyancy tank 5, the water body in the buoyant foundation buoyancy tank 5 to be extracted out by the mistake water lines on it, anchor chain 2 is tightened; To construct and assist buoyancy tank 6 and tube connector 4 to remove, the buoyant foundation construction finishes, and complete equipment installs.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (4)
1. but the buoyant foundation of a transportation by driving comprises being anchor system, and described is that anchor system comprises anchor body and the anchor chain that is connected on the anchor body; It is characterized in that, be connected with three-back-shaped hollow airtight steel basis buoyancy tank on the described anchor chain, the central authorities of described basic buoyancy tank are provided with mounting platform, described basic buoyancy tank was provided with water lines, anchor chain path and anchor chain fastening devices, and described anchor chain passes described anchor chain path and is connected with described anchor chain fastening devices.
2. but the buoyant foundation of transportation by driving according to claim 1 is characterized in that, described anchor body is suction anchor or dull and stereotyped anchor.
3. but the method for the buoyant foundation of the transportation by driving according to claim 1 of constructing is characterized in that, may further comprise the steps:
The first step, prefabricated three-back-shaped hollow airtight steel basis buoyancy tank, the auxiliary buoyancy tank of construction and tube connector; The central authorities of described basic buoyancy tank are provided with mounting platform, and described basic buoyancy tank was provided with water lines, anchor chain path and anchor chain fastening devices; The auxiliary buoyancy tank of described construction is the three-back-shaped hollow airtight steel buoyancy tank of detachable combined type, and the auxiliary buoyancy tank of described construction is provided with anchor chain path and anchor chain fastening devices;
In second step, the anchor body puts in place by the position construction of design in advance, connects anchor chain on the anchor body, connects the buoy ball on anchor chain;
The 3rd goes on foot, and adopts tube connector that buoyant foundation buoyancy tank and the auxiliary buoyancy tank of construction are linked together by removably connecting, and makes described tube connector assist the anchor chain path on the buoyancy tank all to be communicated with anchor chain path and described construction on the buoyancy tank of described buoyant foundation; According to buoy ball indicating positions that the auxiliary buoyancy tank transportation by driving of tube connector, buoyant foundation buoyancy tank and construction that fuses is in place, anchor chain is passed anchor chain path on the auxiliary buoyancy tank of the structural anchor chain path in buoyant foundation, tube connector and construction from bottom to up successively, and be connected on the anchor chain fastening devices on the auxiliary buoyancy tank of construction;
The 4th step, by the mistake water lines water filling in the buoyancy tank of buoyant foundation on the basic buoyancy tank, making it lose part buoyancy moves down, when its complete entry, the auxiliary buoyancy tank of the construction that floats on the surface provides integrally-built buoyancy, stop water filling, equipment is installed on the mounting platform of buoyant foundation buoyancy tank;
The 5th step, anchor chain is removed from the auxiliary buoyancy tank of constructing, be connected on the anchor chain fastening devices on the buoyancy tank of buoyant foundation, the water body in the buoyancy tank of buoyant foundation to be extracted out by the mistake water lines on it, anchor chain is tightened; To construct and assist buoyancy tank and tube connector to remove, the buoyant foundation construction finishes.
4. job practices according to claim 3 is characterized in that, described tube connector is connected with the auxiliary buoyancy tank of described buoyant foundation buoyancy tank and described construction by crab-bolt or self-disassembling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122856.2A CN102277878B (en) | 2011-05-12 | 2011-05-12 | Floating foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122856.2A CN102277878B (en) | 2011-05-12 | 2011-05-12 | Floating foundation and construction method thereof |
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| Publication Number | Publication Date |
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| CN102277878A true CN102277878A (en) | 2011-12-14 |
| CN102277878B CN102277878B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110122856.2A Active CN102277878B (en) | 2011-05-12 | 2011-05-12 | Floating foundation and construction method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677693A (en) * | 2012-05-30 | 2012-09-19 | 天津大学 | Maritime submersible foundation structure and construction method thereof |
| CN102677694A (en) * | 2012-05-30 | 2012-09-19 | 天津大学 | Offshore wind power submersible foundation structure and complete fan installation construction method thereof |
| CN102704506A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged foundation structure and construction method thereof |
| CN102704503A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN102704502A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN104627331A (en) * | 2015-01-27 | 2015-05-20 | 天津大学 | Wind power generation floating foundation |
| CN104743073A (en) * | 2015-03-31 | 2015-07-01 | 长沙理工大学 | Semi-submersible type wave energy and wind energy comprehensive utilization device |
| CN108248783A (en) * | 2018-01-23 | 2018-07-06 | 天津大学 | A kind of novel offshore wind power submersible buoyant foundation and its construction method |
| CN108316335A (en) * | 2018-01-23 | 2018-07-24 | 天津大学 | A kind of tension type mooring submersible buoyant foundation and its construction method |
| CN108407986A (en) * | 2018-01-23 | 2018-08-17 | 天津大学 | It is a kind of can transportation by driving offshore wind farm buoyant foundation and its construction method |
| CN108407987A (en) * | 2018-01-23 | 2018-08-17 | 天津大学 | A kind of offshore wind farm buoyant foundation of tensioning waterborne and its construction method |
| CN108454799A (en) * | 2018-01-23 | 2018-08-28 | 天津大学 | A kind of offshore wind farm buoyant foundation transportation by driving construction method |
| CN110158638A (en) * | 2019-06-12 | 2019-08-23 | 长江勘测规划设计研究有限责任公司 | Offshore wind farm composite tube foundation construction structure and construction method |
| CN110857556A (en) * | 2018-08-23 | 2020-03-03 | 中铁第五勘察设计院集团有限公司 | Wharf buoyancy tank positioning device |
| CN112761893A (en) * | 2021-01-22 | 2021-05-07 | 上海理工大学 | Novel double-body floating type wind turbine platform with fractal structure |
| CN114212214A (en) * | 2021-11-26 | 2022-03-22 | 上海电气风电集团股份有限公司 | Integral transportation and installation tool and method for tension leg floating type fan system |
| CN114455016A (en) * | 2022-03-10 | 2022-05-10 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation |
| CN114604373A (en) * | 2022-03-11 | 2022-06-10 | 上海勘测设计研究院有限公司 | Ballast type offshore wind power complete machine transportation and installation ship and method |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677693A (en) * | 2012-05-30 | 2012-09-19 | 天津大学 | Maritime submersible foundation structure and construction method thereof |
| CN102677694A (en) * | 2012-05-30 | 2012-09-19 | 天津大学 | Offshore wind power submersible foundation structure and complete fan installation construction method thereof |
| CN102704506A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged foundation structure and construction method thereof |
| CN102704503A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN102704502A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN102677693B (en) * | 2012-05-30 | 2014-06-25 | 天津大学 | Maritime submersible foundation structure and construction method thereof |
| CN102704506B (en) * | 2012-05-30 | 2014-07-16 | 天津大学 | Offshore submerged foundation structure and construction method thereof |
| CN104627331A (en) * | 2015-01-27 | 2015-05-20 | 天津大学 | Wind power generation floating foundation |
| CN104743073A (en) * | 2015-03-31 | 2015-07-01 | 长沙理工大学 | Semi-submersible type wave energy and wind energy comprehensive utilization device |
| CN108316335A (en) * | 2018-01-23 | 2018-07-24 | 天津大学 | A kind of tension type mooring submersible buoyant foundation and its construction method |
| CN108454799B (en) * | 2018-01-23 | 2019-10-29 | 天津大学 | A kind of offshore wind farm buoyant foundation transportation by driving construction method |
| CN108407986A (en) * | 2018-01-23 | 2018-08-17 | 天津大学 | It is a kind of can transportation by driving offshore wind farm buoyant foundation and its construction method |
| CN108407987A (en) * | 2018-01-23 | 2018-08-17 | 天津大学 | A kind of offshore wind farm buoyant foundation of tensioning waterborne and its construction method |
| CN108454799A (en) * | 2018-01-23 | 2018-08-28 | 天津大学 | A kind of offshore wind farm buoyant foundation transportation by driving construction method |
| CN108248783A (en) * | 2018-01-23 | 2018-07-06 | 天津大学 | A kind of novel offshore wind power submersible buoyant foundation and its construction method |
| CN108407986B (en) * | 2018-01-23 | 2019-10-25 | 天津大学 | It is a kind of can transportation by driving offshore wind farm buoyant foundation and its construction method |
| CN110857556A (en) * | 2018-08-23 | 2020-03-03 | 中铁第五勘察设计院集团有限公司 | Wharf buoyancy tank positioning device |
| CN110158638A (en) * | 2019-06-12 | 2019-08-23 | 长江勘测规划设计研究有限责任公司 | Offshore wind farm composite tube foundation construction structure and construction method |
| CN112761893A (en) * | 2021-01-22 | 2021-05-07 | 上海理工大学 | Novel double-body floating type wind turbine platform with fractal structure |
| CN114212214A (en) * | 2021-11-26 | 2022-03-22 | 上海电气风电集团股份有限公司 | Integral transportation and installation tool and method for tension leg floating type fan system |
| CN114455016A (en) * | 2022-03-10 | 2022-05-10 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation |
| CN114604373A (en) * | 2022-03-11 | 2022-06-10 | 上海勘测设计研究院有限公司 | Ballast type offshore wind power complete machine transportation and installation ship and method |
| CN114604373B (en) * | 2022-03-11 | 2023-05-12 | 上海勘测设计研究院有限公司 | Ballast type offshore wind power complete machine transportation and installation ship and method |
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