CN101967833B - multi-pile bearing platform foundation based connecting structure between fan tower drum and pile foundation - Google Patents
multi-pile bearing platform foundation based connecting structure between fan tower drum and pile foundation Download PDFInfo
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- CN101967833B CN101967833B CN2009100554228A CN200910055422A CN101967833B CN 101967833 B CN101967833 B CN 101967833B CN 2009100554228 A CN2009100554228 A CN 2009100554228A CN 200910055422 A CN200910055422 A CN 200910055422A CN 101967833 B CN101967833 B CN 101967833B
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Abstract
The invention discloses a multi-pile bearing platform foundation based connecting structure between a fan tower drum and a pile foundation, comprising the fan tower drum, the pile foundation and a reinforced concrete bearing platform arranged at the top part of the pile foundation, wherein the bottom of the fan tower drum is embedded in the reinforced concrete bearing platform, the fan tower drum is also connected with the pile foundation through a connecting piece, and the connecting piece is in a steel structure and is provided with an I-shape cross section. In the invention, the connecting piece is used for directly connecting the fan tower drum and the pile foundation, thereby greatly enhancing the reliability among the fan tower drum, the reinforced concrete bearing platform and the pile foundation, and the structural integrity is strengthened. The I-shape cross section connecting piece has full strength and rigidity and can entirely or partly transfer loading acting on the fan tower drum onto the pile foundation, thereby enabling loading transfer to be more direct, improving the stress condition of the reinforced concrete bearing platform and lowering the design and construction difficulties of the reinforced concrete bearing platform.
Description
Technical field
The present invention relates to a kind ofly be used on many pile caps of wind electric field blower basis the syndeton between blower fan tower barrel and the pile foundation.
Background technology
Wind electric field blower tower tube is as the braced structures of blower fan, except that bearing the blower fan deadweight, and the effect of the dynamic loading that produces when also bearing fan operation and the fluctuating load of wind.The effect of these loads all will be delivered on the fan foundation structure through blower fan tower barrel, so the stressed ten minutes of the foundation structure of blower fan is complicated.What the present blower foundation of having built wind energy turbine set much adopted is many pile caps bases; Promptly at pile foundation top pouring steel concrete cushion cap; The heeling-in of blower fan tower barrel bottom in the steel concrete cushion cap, through the steel concrete cushion cap with the Load Transfer on the blower fan tower barrel on pile foundation.Its shortcoming mainly contains:
One, structural integrity is poor; The Load Transfer path is complicated;
Two, the stressed complicacy of steel concrete cushion cap, particularly with blower fan tower barrel and pile foundation connecting portion, the stress concentration phenomenon is very serious, makes that the difficulty of design and construction of steel concrete cushion cap is very big;
Three, concrete tensile strength is low, under long-term dynamic load function, is easy to generate fatigue crack, causes corrosion of steel bar, reduces structural strength;
Four, stiffness difference is very big between steel concrete cushion cap and the blower fan tower barrel steel work, and the two distortion is difficult to coordinate, and under long-term dynamic load function, the bonding surface between the two is peeled off easily.
Need to propose a kind of safe and reliablely, easy construction, and economy reasonable structure form make structural integrity between blower fan tower barrel and the many pile caps basis strengthened and improve the force-bearing situation of steel concrete cushion cap.
Summary of the invention
The technical problem that the present invention will solve provides the new Joining Structure between a kind of blower fan tower barrel and the pile foundation; Can improve the structural integrity between blower fan tower barrel and the many pile caps basis; Improve the force-bearing situation of steel concrete cushion cap, to overcome the above-mentioned defective of prior art.
In order to solve the problems of the technologies described above; The present invention adopts following technical scheme: a kind of based on the blower fan tower barrel on many pile caps basis and the syndeton between the pile foundation; Comprise blower fan tower barrel, pile foundation and be positioned at the steel concrete cushion cap at pile foundation top; The bottom heeling-in of said blower fan tower barrel also is connected through connector between said blower fan tower barrel and the pile foundation in the steel concrete cushion cap, and said connector is steel work and has the I-shaped cross-section.
Preferably, said connector comprises following a few part: vertical web, and an end is fixedly connected with blower fan tower barrel, and the other end is fixedly connected with pile foundation; Go up horizontal ring flat-plate, the inward flange of going up horizontal ring flat-plate is fixedly connected with blower fan tower barrel, goes up the soffit of horizontal ring flat-plate and vertical connection of top edge of vertical web; Following horizontal ring flat-plate, the inward flange of following horizontal ring flat-plate is fixedly connected with blower fan tower barrel, and the upper surface of following horizontal ring flat-plate is connected with the lower limb of vertical web is vertical; Upper flange, an end is fixedly connected with pile foundation, and the other end docks with the outward flange of last horizontal ring flat-plate, and the soffit of upper flange is connected with the top edge of vertical web is vertical; Lower wing plate, an end is fixedly connected with pile foundation, and the other end docks with the outward flange of following horizontal ring flat-plate, and the upper surface of lower wing plate is connected with the lower limb of vertical web is vertical.
Preferably, said blower fan tower barrel is a cylindrical shape, and said pile foundation is along the periphery of circle distribution at blower fan tower barrel, and said vertical web is positioned at the plane through the blower fan tower barrel axis, and said upper and lower horizontal ring flat-plate is positioned at the plane perpendicular to the blower fan tower barrel axis.
Preferably, said connector is embedded in the steel concrete cushion cap.
Preferably, the top of said pile foundation is provided with a top syndeton and is connected with said connector.
Further, the cross section of stake top syndeton is a cross, and the pile foundation top-slitting is also pegged graft with stake top syndeton.
Beneficial effect of the present invention is:
(1) connector is a steel work, blower fan tower barrel is directly linked to each other with pile foundation, thereby improved the reliability that connects between blower fan tower barrel, steel concrete cushion cap and the pile foundation three greatly, and structural integrity is strengthened.
(2) the I-shaped cross-section connector has full intensity and rigidity, can be with all or part of being delivered on the pile foundation of load that acts on the blower fan tower barrel.And owing to blower fan tower barrel directly links to each other through connector with pile foundation, thereby make Load Transfer more direct, steel concrete cushion cap force-bearing situation improves, and reduces the difficulty of design and construction of steel concrete cushion cap.
(3) connector adopts steel work, and is easy to connect reliable with blower fan tower barrel and pile foundation.
(4) connector is embedded in the steel concrete cushion cap, can effectively prevent unstable failure, gives full play to the steel work advantages of high strength, good economy performance.
(5) the horizontal ring flat-plate that is provided with at the blower fan tower barrel outer wall; Make connector to be connected with pile foundation arbitrarily angled; Thereby can adapt to the position error that pile foundation is produced in work progress, reduce stress and concentrate, improve the stress distribution on the blower fan tower barrel wall; And the last lower wing plate of having avoided connector is direct and the welding of tower barrel, reduces welding deformation.
(6) a stake top syndeton section is a cross, and simultaneously, the pile foundation top-slitting is pegged graft with a stake top syndeton, can be effectively load be distributed to around the pile foundation.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
Fig. 1 is the syndeton sketch map between blower fan tower barrel of the present invention and the pile foundation.
Fig. 2 is a cross sectional representation of the present invention.
Fig. 3 is the partial enlarged drawing at connector position.
Among the figure: 1, blower fan tower barrel 2, pile foundation 3, syndeton 4, steel concrete cushion cap 5, bottom concrete 31, stake top syndeton 32, vertical web 33, upper flange 34, lower wing plate 35, upward horizontal ring flat-plate 36, following horizontal ring flat-plate
The specific embodiment
As shown in Figure 1, be provided with steel concrete cushion cap 4 at the top on many piles basis 2, form many pile caps basis that wind energy turbine set is used to install blower fan jointly.The bottom heeling-in of blower fan tower barrel 1 is in steel concrete cushion cap 4.Connector 3 is a steel work, and its two ends are fixedly connected with blower fan tower barrel 1, pile foundation 2 respectively.Connector 3 also is embedded in the steel concrete cushion cap 4.As required, can also be provided with bottom concrete 5 in the bottom of steel concrete cushion cap 4.
As shown in Figure 2; Blower fan tower barrel 1 is a cylindrical shape, and pile foundation 2 is along the periphery of circle distribution at blower fan tower barrel 1, and the top of pile foundation 2 is provided with a top syndeton 31; The cross section of stake top syndeton 31 is a cross, and the top of pile foundation 2 is opened cross recess and pegged graft, fixes with stake top syndeton 31.Connector 3 is connected with pile foundation 2 through stake top syndeton 31.
Like Fig. 2, shown in Figure 3, connector 3 comprises vertical web 32, upper flange 33, lower wing plate 34, goes up horizontal ring flat-plate 35 and following horizontal ring flat-plate 36 several sections.Wherein: upper and lower horizontal ring flat-plate 35,36 is annular, is positioned at the plane perpendicular to the blower fan tower barrel axis, and the inward flange of upper and lower horizontal ring flat-plate 35,36 is fixedly connected with the outer wall of blower fan tower barrel 1; Vertical web 32 is positioned at the plane through the blower fan tower barrel axis, and an end of vertical web 32 is clipped in upper and lower horizontal ring flat-plate 35, between 36, and is fixedly connected with the outer wall of blower fan tower barrel 1; One end of upper flange 33 is fixedly connected with pile foundation 2, and the other end docks with the outward flange of last horizontal ring flat-plate 35; One end of lower wing plate 34 is fixedly connected with pile foundation 2, and the other end docks with the outward flange of following horizontal ring flat-plate 36.As required, upper and lower horizontal ring flat-plate 35,36 can be the full circle ring, also sectional setting.
The other end of vertical web 32 is fixedly connected with pile foundation 2 through a stake top syndeton 31, the vertical connection of soffit of the top edge of vertical web 32 and upper flange 33, last horizontal ring flat-plate 35; The lower limb of vertical web 32 and lower wing plate 34, vertical connection of upper surface of horizontal ring flat-plate 36 down.And has an I-shaped cross-section.Like this, upper and lower wing plate 33,34 and vertical web 32 connect into I-shaped, and upper and lower horizontal ring flat-plate 35,36 and vertical web 32 also connect into I-shaped, so connector 3 has the I-shaped cross-section on the whole.
Introduce work progress of the present invention below.
One, blower fan tower barrel 1, stake top syndeton 31 are made in factory, and upper and lower horizontal ring flat-plate 35,36 is welded on the outer wall of blower fan tower barrel 1 in advance, transports to the scene after the completion;
Two, the construction stake basis 2;
Three, build steel concrete cushion cap 4 to suitable elevation or build one deck bottom concrete 5 when needed earlier then;
Four, the hypomere of blower fan tower barrel 1 is installed;
Five, treat blower fan tower barrel install adjustment qualified after, stake top syndeton 31 is injected in the fluting at pile foundation tops and welding with it;
Six, according to the physical location of steel pipe pile, with vertical web 32 1 ends and the welding of blower fan tower barrel outer wall, the other end welds with stake top syndeton 31.To go up lower wing plate 33,34 1 ends respectively with horizontal ring flat-plate 35,36 outer rings welding up and down, the other end and syndeton 31 welding of stake top;
Seven, the reinforcing bar of assembling reinforcement concrete bearing platform 4, and accomplish building of steel concrete cushion cap 4.
Above-mentioned instance only is used for the present invention is specified, and does not constitute the restriction to the claim scope, and other substantial equivalence means that it may occur to persons skilled in the art that are all in claim scope of the present invention.
Claims (5)
1. one kind based on the blower fan tower barrel on many pile caps basis and the syndeton between the pile foundation; Comprise blower fan tower barrel (1), pile foundation (2) and be positioned at the steel concrete cushion cap (4) at pile foundation top; The bottom heeling-in of said blower fan tower barrel (1) is in steel concrete cushion cap (4); It is characterized in that: also be connected through connector (3) between said blower fan tower barrel (1) and the pile foundation (2), said connector (3) is for steel work and have the I-shaped cross-section, and said connector (3) comprises following a few part:
Vertical web (32), an end is fixedly connected with blower fan tower barrel (1), and the other end is fixedly connected with pile foundation (2);
Go up horizontal ring flat-plate (35), the inward flange of going up horizontal ring flat-plate (35) is fixedly connected with blower fan tower barrel (1), goes up the soffit of horizontal ring flat-plate (35) and vertical connection of top edge of vertical web (32);
Following horizontal ring flat-plate (36), the inward flange of following horizontal ring flat-plate (36) is fixedly connected with blower fan tower barrel (1), the vertical connection of lower limb of the upper surface of following horizontal ring flat-plate (36) and vertical web (32);
Upper flange (33), an end is fixedly connected with pile foundation (2), and the other end docks with the outward flange of last horizontal ring flat-plate (35), the vertical connection of top edge of the soffit of upper flange (33) and vertical web (32);
Lower wing plate (34), an end is fixedly connected with pile foundation (2), and the other end docks with the following outward flange of horizontal ring flat-plate (36), the vertical connection of lower limb of the upper surface of lower wing plate (34) and vertical web (32).
2. syndeton according to claim 1; It is characterized in that: said blower fan tower barrel (1) is cylindrical shape; Said pile foundation (2) is along the periphery of circle distribution in blower fan tower barrel (1); Said vertical web (32) is positioned at the plane through the blower fan tower barrel axis, and said upper and lower horizontal ring flat-plate (35,36) is positioned at the plane perpendicular to the blower fan tower barrel axis.
3. syndeton according to claim 1 and 2 is characterized in that: said connector (3) is embedded in the steel concrete cushion cap (4).
4. syndeton according to claim 1 is characterized in that: the top of said pile foundation (2) is provided with a top syndeton (31) and is connected with said connector (3).
5. syndeton according to claim 4 is characterized in that: the cross section of stake top syndeton (31) is a cross, and pile foundation (2) top-slitting is also pegged graft with stake top syndeton (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100554228A CN101967833B (en) | 2009-07-27 | 2009-07-27 | multi-pile bearing platform foundation based connecting structure between fan tower drum and pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100554228A CN101967833B (en) | 2009-07-27 | 2009-07-27 | multi-pile bearing platform foundation based connecting structure between fan tower drum and pile foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101967833A CN101967833A (en) | 2011-02-09 |
| CN101967833B true CN101967833B (en) | 2012-07-11 |
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| CN2009100554228A Active CN101967833B (en) | 2009-07-27 | 2009-07-27 | multi-pile bearing platform foundation based connecting structure between fan tower drum and pile foundation |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140007738A (en) * | 2012-07-10 | 2014-01-20 | 가부시키가이샤 라스코 재팬 | Foundation element and a complete structure produced therewith |
| CN107630791A (en) * | 2017-09-30 | 2018-01-26 | 广东工业大学 | Offshore wind farm pile foundation |
| CN108361156A (en) * | 2018-03-26 | 2018-08-03 | 北京金风科创风电设备有限公司 | Tower and wind driven generator assembly |
| CN108331008A (en) * | 2018-04-04 | 2018-07-27 | 上海勘测设计研究院有限公司 | Offshore wind turbine foundation structure and its construction method |
| CN114482116B (en) * | 2022-01-26 | 2024-03-22 | 上海勘测设计研究院有限公司 | Offshore wind power high pile cap foundation with damper and connecting piece combined and construction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004020720U1 (en) * | 2004-08-31 | 2006-01-05 | Bard Engineering Gmbh | Foundation platform for offshore wind turbine in sea depths of 30 to 50 metres |
| CN101324061A (en) * | 2007-06-15 | 2008-12-17 | 上海勘测设计研究院 | Mudflat wind electric field fan foundation structure |
-
2009
- 2009-07-27 CN CN2009100554228A patent/CN101967833B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004020720U1 (en) * | 2004-08-31 | 2006-01-05 | Bard Engineering Gmbh | Foundation platform for offshore wind turbine in sea depths of 30 to 50 metres |
| CN101324061A (en) * | 2007-06-15 | 2008-12-17 | 上海勘测设计研究院 | Mudflat wind electric field fan foundation structure |
Non-Patent Citations (1)
| Title |
|---|
| 甘毅.滨海区软土地基大型风机的基础设计.《能源与环境》.2006,(第5期),全文. * |
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| CN101967833A (en) | 2011-02-09 |
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