CN103981889B - A kind of three bucket foundation combined type foundation structure systems with support - Google Patents
A kind of three bucket foundation combined type foundation structure systems with support Download PDFInfo
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- CN103981889B CN103981889B CN201410182898.9A CN201410182898A CN103981889B CN 103981889 B CN103981889 B CN 103981889B CN 201410182898 A CN201410182898 A CN 201410182898A CN 103981889 B CN103981889 B CN 103981889B
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Abstract
The invention discloses a kind of three bucket foundation combined type foundation structure systems with support, the central point line of three bucket foundations forms a triangle; Each cylinder type basal top is provided with a pile body; The top of three bucket foundation middle positions is provided with node connector, and be connected with section steel beam between node connector and each pile body top outer, each section steel beam is downward-sloping to the end connected with pile body by the end connected with node connector; Being interconnected by supporting between stake between pile body root, being connected with between cylinder between adjacent two bucket foundations and supporting.The larger moment of flexure that superstructure transmission is got off by section steel beam and pile body by the present invention effectively, be similar at bucket foundation place and be converted into pulling force and pressure, to play the maximum bearing capacity of bucket foundation, save material, and " transportation by driving-sinking-leveling " complete set technology can be realized in construction, short construction period, reduces marine wind electric field construction cost.
Description
Technical field
The present invention relates to the foundation structure field of a kind of harbour, ocean, water conservancy and bridge engineering, specifically, relate to a kind of many combinations to optimize the stressed foundation structure of bucket foundation.
Background technology
At present, in ocean engineering field as in Oversea wind power generation engineering, foundation structure has the forms such as pile foundation, gravity type foundation, jacket-type basis, negative-pressure foundation and floating platform usually, these foundation structures need large-scale facility to carry out transporting and installing usually, cause operating expenses higher, construction period is longer.Compare conventional infrastructure, bucket foundation is widely used in ocean engineering due to features such as it is cheap, it is convenient, safe and reliable to construct, reusings.
But, residing for offshore wind power generation basic structure, environment is very complicated, except the vertical force of the construction weights such as the blower fan pylon that load gets off except superstructure transmission, wind load is also had to be delivered to horizontal force and the moment of flexure of foundation structure, and wave, ocean current, sea ice force etc.Large moment load generally causes needing bucket foundation diameter comparatively large, and the construction restrictive condition on major diameter monotubular basis is more, as its transport and installation process need large-scale facility etc.
Therefore, how base form reasonable in design and force transfer system, upper load is delivered to bucket foundation safely and effectively, and the bearing capacity of the performance bucket foundation of maximum possible, the construction restriction overcoming major diameter monotubular basis is a key link in bucket foundation design.
Summary of the invention
The present invention is to solve the above-mentioned problems in the prior art, a kind of three bucket foundation combined type foundation structure systems with support are provided, by the larger moment of flexure that superstructure transmission is got off by section steel beam and pile body effectively, be similar at bucket foundation place and be converted into pulling force and pressure, to play the maximum bearing capacity of bucket foundation, save material, and " transportation by driving-sinking-leveling " complete set technology can be realized in construction, short construction period, reduces marine wind electric field construction cost.
In order to solve the problems of the technologies described above, the present invention is achieved by following technical scheme:
With three bucket foundation combined type foundation structure systems of support, comprise three bucket foundations, the central point line of three described bucket foundations forms a triangle; Each described cylinder type basal top is provided with a pile body, and the center line of each described pile body and the center line of described bucket foundation corresponding to it are on the same line; The top of three described bucket foundation middle positions is provided with node connector, be connected with section steel beam between described node connector and each described pile body top outer, each described section steel beam is downward-sloping to the end connected with described pile body by the end connected with described node connector; Being interconnected by supporting between stake between described pile body root, being connected with between cylinder between adjacent two described bucket foundations and supporting.
Described bucket foundation is reinforced concrete structure, steel work, steel-concrete combining structure one wherein.
The external diameter of described bucket foundation is 10 ~ 20m, is highly 6 ~ 8m.
Described bucket foundation inside is provided with multiple cabin.
Clear distance between every two described bucket foundations is the described bucket foundation external diameter of 1 ~ 5 times.
The height of described pile body is 15 ~ 25m, and external diameter is 1 ~ 3m.
Described section steel beam is non-uniform beam, and its depth of section is that continually varying reduces gradually by the end be connected with described node connector to the end be connected with described pile body.
The angle of each described section steel beam and horizontal plane is 5 ~ 20 degree.
Between described stake support be provided with the six roots of sensation, wherein three are arranged between described pile body adjacent between two respectively, other three respectively by pile body root described in every root extend between aforementioned three piles support the leg-of-mutton centre of form that surrounds intersect at a point.
The axis of center line along its length through bucket foundation described in its two ends is supported between cylinder described in every root.
The invention has the beneficial effects as follows:
Foundation structure system of the present invention adopts section steel beam and pile body transition between three bucket foundations, and three bucket foundations are linked to be entirety, and being conducive to increases foundation structure system resistance to tipping moment, improves the stability in transportation; Section steel beam intersection adopts node connector just to connect, and jointly transmits upper load, increases structural entity rigidity.
Foundation structure system of the present invention forms the approximate loading characteristic encircleed by section steel beam and pile body, the larger moment of flexure of effectively superstructure transmission being got off, be similar at bucket foundation place and be converted into pulling force and pressure, to play the maximum bearing capacity of bucket foundation, form of structure is simple, stress system is clear, saves material, reduces cost.In addition, the section steel beam of variable cross-section is due to its stiffness variation, and the load that Nodes can also be made to bear is diffused into bucket foundation more uniformly.
Foundation structure system of the present invention arranges and supports between stake and support between cylinder, makes the substructure globality of foundation structure system stronger, increases the integral rigidity of force transfer system, structure stress better effects if.Support between stake and support the rigidity both strengthening three pile bodies and pile body and section steel beam entirety between cylinder, pile body and section steel beam is enable effectively to be delivered on bucket foundation by the load of superstructure under guarantee stiffness by itself prerequisite, and strengthen the globality of three bucket foundations, effectively can improve the situations such as the mutual changing of the relative positions in work progress between bucket foundation, be conducive to improving construction quality, optimize the stressed of three bucket foundations simultaneously, avoid the internal force difference between three bucket foundations excessive, thus reduce the differential settlement of foundation structure system entirety, ensure that it can normally exert advantages of oneself.
Foundation structure system of the present invention is less with monotubular bucket foundation phase diameter group, " transportation by driving-sinking-leveling " complete set technology can be realized in construction, foundation structure and tower cylinder and blower fan integral installation at sea, the use of large-scale facility can be reduced in work progress, equipment needed thereby is simple, installation time offshore only needs a few hours, short relative to the conventional infrastructure construction period, efficiency is high, safety and environmental protection, the construction speed of offshore wind farm can be made greatly to improve, construction period significantly shortens, greatly reduce the construction cost of marine wind electric field, offshore wind farm is made more to possess standardization, the condition of Development of Modular.
Accompanying drawing explanation
Fig. 1 is the front view of foundation structure system provided by the present invention;
Fig. 2 is the top view of foundation structure system provided by the present invention;
Fig. 3 is the top view supported between stake.
In figure: 1, bucket foundation; 2, pile body; 3, section steel beam; 4, node connector; 5, support between stake; 6, support between cylinder.
Detailed description of the invention
For summary of the invention of the present invention, feature and effect can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As depicted in figs. 1 and 2, present embodiment discloses the foundation structure system of a kind of three bucket foundations combination, comprise supporting between three identical bucket foundation 1, three identical pile bodies 2, three identical section steel beams 3, node connector 4, six roots of sensation stake between 5 and three identical cylinders and support 6.
Bucket foundation 1 is the uncovered a kind of cylinder-shaped steel architecture basics in top seal, bottom, and external diameter is 15m, wall thickness 25mm, the thick 50mm of top cover, the high 8m of cylinder, and its inside is divided into multiple cabin by arranging subdivision plate.Bucket foundation 1 typically have a diameter from 10-20m, be highly generally 6-8m; Material can be steel concrete, steel, steel-concrete composite material; Subdivision process can be carried out in inside, also can not carry out subdivision process.
Three bucket foundations 1 can form an equilateral triangle according to its central point line in the horizontal plane and arrange, and the clear distance between every two bucket foundations 1 equals the external diameter of bucket foundation 1.The arrangement requirement of three bucket foundations 1 be its center not on same straight line, namely the center of three bucket foundations 1 lays respectively on equilateral or scalene three summits.Clear distance between every two bucket foundations is the bucket foundation external diameter of 1 ~ 5 times, while the stressed effect of bucket foundation 1 can being optimized in the entire combination giving full play to pile body 2 and section steel beam 3 like this, ensure the rigidity of pile body 2 and section steel beam 3 entirety, avoiding is conducted oneself with dignity by section steel beam 3 produces excessive vertical displacement, and the entirety of pile body 2 and section steel beam 3 can play the mechanical characteristic of arch better.
Pile body 2 is circular hollow piling bar, stake footpath 2m, wall thickness 35mm, and height is 21m.Pile body 2 bottom surface and bucket foundation 1 end face just connect, pile body 2 along its length consistent with the center line (i.e. axis) of bucket foundation 1.Pile body 2 can be circle stake, square pile or other forms of hollow piling bar, and pile body 2 is highly generally 15 ~ 25m, and external diameter is generally 1 ~ 3m, and wall thickness is generally 25 ~ 50mm, and concrete size can adjust according to Practical Project.
Three pile bodies 2 link together by three section steel beams 3, and intersect above three bucket foundation 1 middle positions, and intersection area is connected by node connector 4.The middle position of three bucket foundations 1 is its central point line and forms leg-of-mutton position of form center.One end and the node connector 4 of section steel beam 3 just connect, and the other end and pile body 2 outer surface of cupular part just connect; Section steel beam 3 is downward-sloping to the end connected with pile body 2 by the end connected with node connector 4, and angle of inclination is 8 degree.Like this, pile body 2, section steel beam 3 and node connector 4 global approximation construct the loading characteristic of arch, jointly transmit upper load, to increase the integral rigidity of foundation structure system.
Section steel beam 3 adopts variable section H-type steel, is 2m with node connector 4 junction deck-molding, is 1.5m with pile body 2 junction deck-molding, H profile steel web thickness 50mm, and the thick 35mm in the edge of a wing, H profile steel connects with steel plate between bottom flange, the thick 15mm of steel plate.Section steel beam 3 can select H profile steel, channel-section steel, box beam etc., and it is generally 5 ~ 20 degree by upper end to the angle of inclination of lower end.The part moment of flexure that this angular range can make section steel beam 3 transmit effectively is converted into axial force, pile body 2 and section steel beam 3 entirety is made to construct the loading characteristic of arch better, thus utilize the bearing capacity of section steel beam 3 structure more fully, and the vertical displacement of superstructure is controlled in a zone of reasonableness, avoid waste of material simultaneously.The section form of section steel beam 3 can be uniform section or variable cross-section, and wherein, the depth of section of variable cross-section section steel beam 3 is reduced to the end be connected with pile body 2 gradually by the end be connected with node connector 4, and depth of section is continually varying.The load acting on node connector 4 place can be made to be diffused into bucket foundation 1 more uniformly by section steel beam 3 stiffness variation of variable cross-section.
Node connector 4 can be circular node connector or other forms of node connector form, be positioned at certain altitude above three bucket foundation 1 middle positions, its top can be connected with superstructure by flange, and the load going down that superstructure transmission is got off.
As shown in Figure 3, be interconnected by supporting 5 between six roots of sensation stake between pile body 2 root, support between stake 5 not only increase three pile bodies 2 integral rigidity and by pile body 2 and section steel beam 3 form the rigidity of force transfer system, effectively ensure that force transfer system transmits upper load by design conditions, also indirectly improve the globality of three bucket foundations 1, be conducive to improving practice of construction quality.Between six roots of sensation stake, three of supporting in 5 are arranged between pile body 2 adjacent between two respectively, and other three extend to the middle welding that intersects at a point of pile body 2 by every pile body 2 root respectively, and this intersection point is positioned at support 5 institute between aforementioned three piles and surrounds leg-of-mutton centre of form place.Support 5 between stake and adopt open circles steel pipe, diameter is 1.5m, and wall thickness is 35mm.Supporting 5 between stake to be usually made up of hollow steel pipe, can be the steel pipe of open circles steel pipe, hollow square steel pipe or other shapes.
Be interconnected by supporting 6 between three cylinders between bucket foundation 1, between cylinder, the setting of support 6 improves the globality of three bucket foundations 1, be conducive to improving practice of construction quality, and effectively optimize the stressed of three bucket foundations 1, avoid three bucket foundations, 1 internal force difference excessive, thus reduce the differential settlement of foundation structure system entirety.Often be connected with between adjacent two bucket foundations 1 to support between a cylinder to support between 6, three cylinders 6 mutually non-cross.Support the axis of 6 center lines along its length through its two ends bucket foundation 1 between every root cylinder, that is support 6 between cylinder and lay respectively between peripheral three piles and support immediately below 5.Support 6 between cylinder and adopt H profile steel, high 2m, the long 1.5m in the edge of a wing, the thick 50mm of web, the thick 35mm in the edge of a wing.Support 6 between cylinder to be usually made up of prismatic H profile steel or channel-section steel, its depth of section scope is 0.5-3m.
Its entirety on land after integral assembling, can be dragged to construction location by floating marine towage by foundation structure system of the present invention, realizes injection and installs, carry out assembled after installation with top blower fan by deadweight and negative pressure.Use or also by with air pressure reverse during injection, described basic jacking can be recycled after finishing using.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make the concrete conversion of a lot of form, these all belong within protection scope of the present invention.
Claims (6)
1. three bucket foundation combined type foundation structure systems with support, comprise three bucket foundations, it is characterized in that, the central point line of three described bucket foundations forms a triangle; Each described cylinder type basal top is provided with a pile body, and the center line of each described pile body and the center line of described bucket foundation corresponding to it are on the same line; The top of three described bucket foundation middle positions is provided with node connector, be connected with section steel beam between described node connector and each described pile body top outer, each described section steel beam is downward-sloping to the end connected with described pile body by the end connected with described node connector; Being interconnected by supporting between stake between described pile body root, being connected with between cylinder between adjacent two described bucket foundations and supporting;
Described section steel beam is non-uniform beam, and its depth of section is that continually varying reduces gradually by the end be connected with described node connector to the end be connected with described pile body;
The angle of each described section steel beam and horizontal plane is 5 ~ 20 degree;
Between described stake support be provided with the six roots of sensation, wherein three are arranged between described pile body adjacent between two respectively, other three respectively by pile body root described in every root extend between aforementioned three piles support the leg-of-mutton centre of form that surrounds intersect at a point;
The axis of center line along its length through bucket foundation described in its two ends is supported between cylinder described in every root.
2. a kind of three bucket foundation combined type foundation structure systems with support according to claim 1, it is characterized in that, described bucket foundation is reinforced concrete structure, steel work, steel-concrete combining structure one wherein.
3. a kind of three bucket foundation combined type foundation structure systems with support according to claim 1, it is characterized in that, the external diameter of described bucket foundation is 10 ~ 20m, is highly 6 ~ 8m.
4. a kind of three bucket foundation combined type foundation structure systems with support according to claim 1, it is characterized in that, described bucket foundation inside is provided with multiple cabin.
5. a kind of three bucket foundation combined type foundation structure systems with support according to claim 1, it is characterized in that, the clear distance between every two described bucket foundations is the described bucket foundation external diameter of 1 ~ 5 times.
6. a kind of three bucket foundation combined type foundation structure systems with support according to claim 1, it is characterized in that, the height of described pile body is 15 ~ 25m, and external diameter is 1 ~ 3m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410182898.9A CN103981889B (en) | 2014-04-30 | 2014-04-30 | A kind of three bucket foundation combined type foundation structure systems with support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410182898.9A CN103981889B (en) | 2014-04-30 | 2014-04-30 | A kind of three bucket foundation combined type foundation structure systems with support |
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| CN103981889A CN103981889A (en) | 2014-08-13 |
| CN103981889B true CN103981889B (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019012223A1 (en) * | 2017-07-10 | 2019-01-17 | Soletanche Freyssinet | Mooring for anchoring a floating structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278692B (en) * | 2014-10-13 | 2016-02-24 | 天津大学前沿技术研究院有限公司 | A kind of overall triangle buoyancy tank basis of the band lateral support for offshore anemometer tower |
| CN106882334B (en) * | 2017-02-28 | 2018-10-30 | 天津大学 | A kind of offshore wind farm multi-bucket foundation backpack installation ship and its single step construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761090A (en) * | 2009-12-22 | 2010-06-30 | 浙江大学 | Space truss multi-barrel base of offshore wind power unit |
| CN201695381U (en) * | 2010-06-04 | 2011-01-05 | 中国海洋石油总公司 | Three-cylindrical foundation one-legged mooring platform |
| KR101171201B1 (en) * | 2011-12-26 | 2012-08-07 | 목포대학교산학협력단 | Offshore wind turbine structure using steel pipe pile foundation and prefabricated structure, and constructing method for the same |
| CN202954353U (en) * | 2012-12-13 | 2013-05-29 | 刁景华 | Multi-cylinder-base suction anchor mooring platform |
| CN203113373U (en) * | 2013-02-21 | 2013-08-07 | 中国海洋石油总公司 | Underwater bearing device capable of being leveled and dismantled |
| CN203924093U (en) * | 2014-04-30 | 2014-11-05 | 天津大学 | A kind of three bucket foundation combined type foundation structure systems with support |
-
2014
- 2014-04-30 CN CN201410182898.9A patent/CN103981889B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761090A (en) * | 2009-12-22 | 2010-06-30 | 浙江大学 | Space truss multi-barrel base of offshore wind power unit |
| CN201695381U (en) * | 2010-06-04 | 2011-01-05 | 中国海洋石油总公司 | Three-cylindrical foundation one-legged mooring platform |
| KR101171201B1 (en) * | 2011-12-26 | 2012-08-07 | 목포대학교산학협력단 | Offshore wind turbine structure using steel pipe pile foundation and prefabricated structure, and constructing method for the same |
| CN202954353U (en) * | 2012-12-13 | 2013-05-29 | 刁景华 | Multi-cylinder-base suction anchor mooring platform |
| CN203113373U (en) * | 2013-02-21 | 2013-08-07 | 中国海洋石油总公司 | Underwater bearing device capable of being leveled and dismantled |
| CN203924093U (en) * | 2014-04-30 | 2014-11-05 | 天津大学 | A kind of three bucket foundation combined type foundation structure systems with support |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019012223A1 (en) * | 2017-07-10 | 2019-01-17 | Soletanche Freyssinet | Mooring for anchoring a floating structure |
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| CN103981889A (en) | 2014-08-13 |
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