CN207582479U - The assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation - Google Patents
The assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation Download PDFInfo
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- CN207582479U CN207582479U CN201720505590.2U CN201720505590U CN207582479U CN 207582479 U CN207582479 U CN 207582479U CN 201720505590 U CN201720505590 U CN 201720505590U CN 207582479 U CN207582479 U CN 207582479U
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Abstract
The utility model discloses a kind of assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation, including：Steel case concrete flange plate, steel bushing and the construction top plate at the top of sleeve；The steel case concrete flange plate is embedded on the outside of steel bushing in positioning plate and passes through biserial bolt and positioned and anchored；Positioning plate, which is fixed on the outside of pile body by solder design mode and tension is welded on the outside of positioning plate, on the outside of the steel bushing splits floor of putting more energy into；The construction top plate is fixed on by solder design mode at the top of assembled wing plate sleeve.The utility model is suitable for offshore wind power foundation industry, for improving the effect highly significant of offshore wind farm large diameter steel pipe pile foundation shallow soil body horizontal resist forces, and device feature is attached by in-situ precast, erection method, assembled wing plate sleeve is pressed to by designated depth using static pressure or hammer mode finally by construction casing, have many advantages, such as significant effect, it is simple for process, using facilitate, it is economical and practical.
Description
Technical field
The utility model is related to a kind of assembled wing plate sleeves of offshore wind turbine large diameter steel pipe pile foundation, belong to sea turn
Electric basic technology field.
Background technology
As economical growth and environmental pollution increasingly sharpen, demand of the whole world to clean energy resource is continuously increased.It is marine
Wind energy has many advantages, such as that wind speed height, wind-force lasting stability, wind shear are small, and no visual, noise pollution and is not take up land, into
Emphasis for countries in the world energy development.As China's offshore wind farm industry is greatly developed, super-large diameter single-pile foundation is due to it
The advantages that bearing capacity is big, degree of safety is high, good economy performance, convenient construction, it has also become the most frequently used foundation pattern of offshore wind turbine.
At present, super-large diameter steel pipe single-pile foundation stake diameter is up to 5.0-6.5m.Offshore wind farm single-pile foundation be primarily subjected to wind,
The horizontal loads such as wave, stream, need emphasis to consider its horizontal bearing performance in the design.However, with the increase of stake diameter, phase
The calculating scoured pit's depth and radius answered also are increasing, and are neglected completely from the relatively angle of safety during design and wash away range
The horizontal resist forces effect of interior earthing；Importantly, being washed away in order to prevent in Practical Project, generally it is covered in using protection against erosion pad
Mud face surface layer so that super-large diameter wind-powered electricity generation pile foundation is there is no situation is washed away, in other words, true mud face to true horizon bearing capacity meter
It is intact existing to count the soil body in beginning position range, and traditional design and construction method ignore the horizontal resist forces of the soft soil
Effect so that project cost cost is higher, causes unnecessary waste.
Utility model content
Purpose：It is for reasons such as low, the anti-Its ultimate bearing capacity differences of upper strata soft soil intensity, proposes a kind of for carrying
The assembled wing plate sleeve and its construction method of high offshore wind turbine large diameter steel pipe pile foundation level bearing capacity, pass through the assembled wing
Sleeve-board cylinder increases pile body earth resistance forced area to solve the problems, such as the flat low bearing capacity of soft soil water resistant, while can also lay in
The problems such as higher safety affluence degree offshore wind farm single-pile foundation caused by cope with force majeure factor (such as typhoon etc.) tilts,
Have many advantages, such as significant effect, it is simple for process, using convenient, economical and practical.
Technical solution：In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation, including：Steel bushing, steel case-concrete
Wing plate, wing plate injection boots, construction top plate, positioning plate, the polylith steel case-concrete flange plate are respectively embedded on the outside of steel bushing uniformly
In the positioning plate groove of distribution, steel case-concrete flange plate is anchored with positioning plate by two row bolts；Steel case-the coagulation
Native wing plate bottom end is provided with the wing plate injection boots of isosceles triangular structure；The construction of circular ring structure is provided at the top of the steel bushing
Top plate.
Preferably, the quantity of the steel case-concrete flange plate is set as two pieces or four pieces.
Preferably, the steel bushing 2~3cm of wall thickness, steel bushing height are consistent with scour hole calculating depth.
Preferably, the steel case-concrete flange plate by steel case with inside filling coagulation local soil type into；The steel case
It is formed by the steel plate splicing of 1~2cm of wall thickness；The concrete is set as C30 and its crushed stone concrete of more than intensity.
Preferably, two row spiro keyhole positions, the 1st row spiral shell are reserved in the nearly steel bushing side of steel case-concrete flange plate
Away from steel case-concrete flange plate outer ledge 25cm, the 1st arranges at the top of the 1st spiro keyhole position distance steel case-concrete flange plate for keyhole position
Edge is 10cm, and the 2nd row spiro keyhole position and the 1st row spiro keyhole position level interval are 15cm, and the 2nd arranges the 1st spiro keyhole position distance
The compound wing plate top edge of steel case-concrete is 25cm；It is 30cm per the spacing between a line spiro keyhole position；Spiro keyhole position diameter
No more than diameter of bolt 2mm；The diameter of bolt is 24mm.
Preferably, the steel case overall appearance dimensional thickness is 30~40cm, highly highly consistent with steel bushing.
Preferably, the wing plate injection boots are that 1cm, angle are formed and welded in 60 ° of steel plate by two panels thickness
Steel case-concrete flange plate bottom is connected to, wedge angle is downward.
Preferably, the positioning plate length and steel bushing are highly consistent, width 21.8cm, thickness 3cm；
The spacing of each pair of positioning plate is bigger 4~8mm than steel case thickness；Positioning plate is fixed on by welding manner on the outside of steel bushing；Positioning plate
Two row spiro keyhole positions are opened up in advance, wherein that 1 row spiro keyhole position Distance positioning plate outer ledge distance 10cm far from steel bushing,
Remaining spiro keyhole position relative spacing is consistent with the spiro keyhole position position on steel case-concrete flange plate.
Preferably, a pair of of tension of welding splits floor of putting more energy on the outside of each pair of positioning plate；The ribbed stiffener plate thickness
Spend for 1~2cm, width 40cm, length is consistent with positioning plate length, be welded on one side on positioning plate and with the 1st row bolt away from
From for 7cm, another side is welded on steel bushing lateral wall.
Preferably, the construction top plate internal diameter is consistent with steel bushing internal diameter, length 50cm, by welding side
Formula is fixed at the top of steel bushing, and 20 pieces of anti-unstabilitys of welding are put more energy into floor below top plate of constructing；The anti-unstability ribbed stiffener of described every piece
Plate thickness is 1~2cm, rectangular triangular structure, and two right-angle side sizes are 20cm × (20~50) cm, right angle short side dimension
Steel bushing lateral wall is welded on, right angle long side is welded on the downside of construction top plate；Each a quarter steel bushing arc-shaped edges according to etc.
Even angle arranges that 5 pieces of anti-unstabilitys are put more energy into floor.
Preferably, the intensity of steel is Q345 in the assembled wing plate sleeve.
A kind of assembled wing plate sleeve construction method of offshore wind turbine large diameter steel pipe pile foundation, it is characterised in that：Including
Following steps：
Step 1：The width of pre-manufactured steel case is taken as 0.5~1 times of steel-pipe pile diameter；By land prefabricated building site in advance according to
Size makes 4 steel casees and internal addition concrete forms steel case-concrete flange plate, and two row bolts hole are reserved in manufacturing process
Position；Requirement is dimensioned and makes wing plate injection boots, and is welded on steel case-concrete flange plate bottom end；
Step 2：Clearance distance between the internal diameter of prefabricated steel bushing and steel-pipe pile outer diameter controls stake is long under mud face 1/
In the range of 2000~1/1000, and in steel bushing four in 90 ° of side opposite the angle positioning of the welding with two row spiro keyhole positions in pairs
Plate on the outside of each pair of positioning plate welds tension after the completion and splits floor of putting more energy into as required；
Step 3：Prefabricated circular ring shape construction top plate, anti-unstability reinforcement floor and construction sleeve are required according to size, and with it is upper
It states the finished product that two steps complete and loads transport onto ship together to pile driving barge；Carry out steel case-concrete flange plate and steel on pile driving barge
The bolt consolidation service of sleeve then welding procedure top plate and sets anti-unstability to put more energy into floor at the top of steel bushing；
Step 4：The assembled wing plate sleeve to complete is lifted across steel-pipe pile and is transferred naturally under cannot continue
Until heavy；Assembled wing plate sleeve will remain one pair of which steel case-concrete flange plate and horizontal force in sinking watching
Load direction is vertical, and another pair is then parallel with horizontal loads direction；
Step 5：Construction sleeve lifting across steel-pipe pile is transferred naturally and is contacted with construction top board surface, is then used
Static pressure or hammer mode, by construction sleeve by assembled wing plate sleeve press to construction top plate flushed with mud face until；It applies
Construction sleeve from steel-pipe pile is extracted out after the completion of work and is recycled.
Preferably, construction sleeve wall thickness is consistent with steel bushing, and internal diameter is between the construction inside and outside diameter range of top plate
Interior, length is taken as mud face to the vertical height between pile driving barge construction platform.
Advantageous effect：The assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation provided by the utility model,
Advantage is as follows：Wing plate width is big, can greatly increase the horizontal resist forces effect effective width of surface layer soft soil, effective width
Up to 2-3 times of steel-pipe pile diameter, effect highly significant；It not only can greatly be dropped by the compound wing plate mode of steel case-concrete
Low steel using amount can more effectively improve section resistance moment, improve the degree of safety of structural system；By way of assembling so that
The critical component of assembled wing plate sleeve can shift to an earlier date individually prefabricated and on-site consolidation, so as to significantly reduce the system of device
Make difficulty, transport difficulty and cost；Pushing construction, and construction casing recoverable are carried out by construction casing, constructed
Simply, highly practical, workload greatly reduces, and economy is strong.
Description of the drawings
Fig. 1 is the utility model assembled wing plate sleeve-steel-pipe pile-construction sleeve overall schematic.
Fig. 2 is the utility model assembled wing plate sleeve three-dimensional side view.
Fig. 3 is the utility model assembled wing plate sleeve perspective bottom view.
Fig. 4 is the utility model assembled wing plate sleeve perspective view.
Fig. 5 is the utility model assembled wing plate sleeve vertical view.
Fig. 6 is the utility model assembled wing plate sleeve front view.
Fig. 7 is steel box structure scale diagrams in the utility model assembled wing plate sleeve.
Fig. 8 is the utility model assembled wing plate sleeve connection position partial enlarged view.
Fig. 9 is steel case-concrete flange plate spiro keyhole position schematic diagram in the utility model assembled wing plate sleeve.
Figure 10 is positioning plate spiro keyhole position schematic diagram in the utility model assembled wing plate sleeve.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the present embodiment includes super-large diameter steel-pipe pile 1, assembled wing plate sleeve 2 and construction casing 3.Institute
Total height and the scour hole calculating depth for stating assembled wing plate sleeve 2 are consistent.
As shown in Figure 2, Figure 3 and Figure 4, assembled wing plate sleeve 2 is mainly by steel bushing 2-1 and steel case-concrete flange plate 2-
2 carry out assembled connection by positioning plate 2-4 and bolt 2-5；Each pair of positioning plate 2-4 both sides are respectively welded tension and split the floor 2- that puts more energy into
6；To reduce the penetration resistance of assembled wing plate sleeve 2, in steel case-concrete flange plate 2-2 bottoms staking wing plate injection boots 2-3.
Finally welding procedure top plate 2-7 and anti-unstability are put more energy into floor 2-8 at the top of steel bushing 2-1.
As shown in Fig. 2-Fig. 6, clearance distance is long for stake under mud face between the internal diameter of steel bushing 2-1 and the outer diameter of steel-pipe pile 1
Lb1/2000~1/1000, this is because design requirement pile body is deformed into L in Ni Mianchub/ 500, the device of the utility model is
For bearing capacity of improving the standard, deformation is reduced, then setting stake body deformation reaches 0.5 times of permissible value (Lb/ 500) it is necessary when
Start to play a role；Making trueness error and construction space in view of each component simultaneously needs, and sets minimum clearance as 0.25 times
Pile body deformation permissible deformation value (Lb/500).Steel bushing 2-1 is Q345 steel, and wall thickness is 2~3cm, excessively thin should not be to avoid
Bending deformation, it is also unsuitable blocked up in order to avoid unnecessary waste of material.
As shown in fig. 7, the height l of steel case 2-2-1hIt is consistent with the total height of assembled wing plate sleeve 2；Steel case 2-2-1's
Overall width lwIt is taken as the diameter of 0.5~1 times of steel-pipe pile 1；The overall appearance dimensional thickness l of steel case 2-2-1tFor 30~40cm,
It is determined according to the following formula：
In formula：ltOverall appearance dimensional thickness for steel case 2-2-1；suFor weak soil soil body shear stress, from relatively
The angle of safety is taken as 12kPa~24kPa；lwWidth for steel case 2-2-1；σIt drawsRepresent Q345 steel tensile strength standard values.
When finding that the diameter of steel-pipe pile 1 is in the range of 5-7m by calculating, general ltFor 30~40cm.
Every piece of steel plate thickness t is taken as 1~2cm in steel case 2-2-1, while needs to meet following formula shearing resistance requirement：
In formula：T is the thickness of every block of plate in steel case 2-2-1, as shown in Figure 8；σIt cutsRepresent Q235 steel shearing strength standards
Value.
As shown in figure 8, concrete 2-2-2 in steel case-concrete flange plate 2-2 is using the mixed of C30 and more than strength criterion
Solidifying soil pouring molding, and can carry out assembled use after at least 28 days.
As shown in figure 9, steel case-concrete flange plate 2-2 reserves 2 row spiro keyhole positions in the production process.1st row hole position is away from steel
The compound wing plate 2-2 outer ledges 25cm of case-concrete, the 1st arranges the 1st hole position distance steel case-compound wing plate 2-2 tops of concrete
Portion edge is 10cm, and it is 15cm that the 2nd row Kong Weiyu the 1st, which arranges hole position level interval, and the 2nd arranges the 1st hole position distance steel case-coagulation
The compound wing plate 2-2 top edges of soil are 25cm；Distance is 30cm between the bolt of each row.Spiro keyhole position diameter compares bolt
2-5 diameters are bigger, but must not exceed 2mm；A diameter of 24mm of the bolt 2-5 or so.
Two row spiro keyhole positions in the same horizontal line, using interlaced arrangement, not may be such that the member stress of junction more
Rationally, overall shear failure will not be generated.Spiro keyhole position distance is limited, primarily to fixed and positioned facility；It is same
Although row pitch of bolts is set to 30cm, but on the whole from the point of view of two row bolts, pitch of bolts only has 15cm in fact, from economy angle
Degree is relatively reasonable, and otherwise material cost, construction cost can increase.
Such as totally 8 pieces of Fig. 2~positioning plate shown in fig. 6 2-4, every piece of positioning plate 2-4 is made of Q345 steel, length with
Steel bushing 2-1 total heights are consistent, and width is about 21.8cm, thickness 3cm；Positioning plate 2-4 is solid in pairs in advance by welding manner
On the outside of steel bushing 2-1, adjacent two pairs of positioning plates 2-4 angles are 90 °；Clear distance is than steel case-concrete between each pair of positioning plate 2-4
The compound big 4~8mm of wing plate 2-2 thickness.
Positioning plate 2-4 as shown in Figure 10 opens two row spiro keyhole positions in advance, wherein that 1 row bolt hole far from steel bushing 2-1
Position Distance positioning plate 2-4 outer ledge distance 10cm, remaining trepanning relative spacing and the compound wing plate 2-2 trepannings of steel case-concrete
Completely the same.
As shown in figure 8, a pair of of tension of welding splits the floor 2-6 that puts more energy on the outside of each pair of positioning plate 2-4；The tension splits ribbed stiffener
Plate 2-6 thickness is 1~2cm, and width 40cm, length is consistent with positioning plate 2-4 length, is welded on one side on positioning plate 2-4, with
1st row bolt 2-5 distances are 7cm, and another side is welded on steel bushing 2-1 lateral walls.
As shown in Fig. 3~Fig. 5, the construction top plate 2-7 is in circular ring shape, and internal diameter is consistent with steel bushing 2-1 internal diameters, width
It for 50cm, is fixed at the top of steel bushing 2-1 by welding manner, 20 pieces of anti-unstabilitys of welding are put more energy into floor below construction top plate 2-7
2-8；The anti-unstability of described every piece puts more energy into floor 2-8 thickness as 1~2cm, triangular shape, and two right-angle side sizes are 20cm
× (20~50) cm, right angle short side dimension are welded on steel bushing 2-1 lateral walls, and right angle long side is welded on the downside of construction top plate 2-7；
Each a quarter steel bushing 2-1 arc-shaped edges are put more energy into floor 2-8 according to being angularly evenly arranged 5 pieces of anti-unstabilitys.
Such as Fig. 2~Fig. 4, shown in Fig. 6, the wing plate injection boots 2-3 is by steel plate that two panels thickness is that 1cm, angle are in 60 °
It forms and is welded in the compound wing plate 2-2 bottoms of steel case-concrete, wedge angle is towards stake extreme direction.
The assembled wing plate sleeve construction method of the implementation case is as follows：
1. 4 steel case 2-2-1 and the internal concrete 2-2-2 for pouring into prescribed strength are made according to size in advance by land
Steel case-compound wing plate 2-2 of concrete is formed, two row spiro keyhole positions are reserved in manufacturing process；Requirement is dimensioned to make
Wing plate injection boots 2-3 is simultaneously welded on the compound wing plate 2-2 bottom ends of steel case-concrete；
2. prefabricated steel bushing 2-1 is required, and welded in pairs with two row spiral shells in 90 ° of side opposite the angle at its four according to size
The positioning plate 2-4 of keyhole position on the outside of each pair of positioning plate welds tension after the completion and splits the floor 2-6 that puts more energy into as required；
3. prefabricated circular ring shape construction top plate 2-7, anti-unstability is required to put more energy into floor 2-8 and construction sleeve 3 according to size, and
Transport is loaded together with the finished product to complete with above-mentioned 2 step onto ship to pile driving barge.Carry out steel case-concrete composite wing on pile driving barge
The bolt 2-5 consolidation services of plate 2-2 and steel bushing 2-1 then welding procedure top plate 2-7 and are set anti-at the top of steel bushing 2-1
Unstability is put more energy into floor 2-8.
4. the assembled wing plate sleeve 2 to complete is lifted across steel-pipe pile 1 and is transferred naturally to cannot continue to sink
Until；Assembled wing plate sleeve 2 will remain the compound wing plate 2-2 of one pair of which steel case-concrete and water in sinking watching
Flat imposed load direction is vertical, and another pair is then parallel with horizontal loads direction.
It transfers across steel-pipe pile 1 and is contacted with construction top plate 2-7 surfaces naturally 5. lifting construction sleeve 3, then use
Static pressure or hammer mode, by construction sleeve 3 by assembled wing plate sleeve 2 press to construction top plate flushed with mud face until.
Construction sleeve 3 from steel-pipe pile 1 is extracted out after the completion of construction and is recycled.
The construction sleeve 3 is made of Q345 intensity steel, and wall thickness is consistent with steel bushing 2-1, and internal diameter is between construction
In the inside and outside diameter ranges of top plate 2-7, length is taken as mud face to the vertical height between pile driving barge construction platform.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (11)
1. a kind of assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation, including：Steel bushing, it is characterised in that：Also
Including：Steel case-concrete flange plate, wing plate injection boots, construction top plate, positioning plate, polylith steel case-concrete flange plate are respectively embedded into steel
On the outside of sleeve in equally distributed positioning plate groove, steel case-concrete flange plate is anchored with positioning plate by two row bolts；Institute
State the wing plate injection boots that steel case-concrete flange plate bottom end is provided with isosceles triangular structure；Circle is provided at the top of the steel bushing
The construction top plate of ring structure.
2. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
The quantity of the steel case-concrete flange plate is set as two pieces or four pieces.
3. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
Steel bushing 2~the 3cm of wall thickness, steel bushing height are consistent with scour hole calculating depth.
4. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
Steel case-the concrete flange plate by steel case with inside filling coagulation local soil type into；The steel case by 1 ~ 2cm of wall thickness steel plate splicing
It forms；The concrete is set as C30 and its crushed stone concrete of more than intensity.
5. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
Two row spiro keyhole positions are reserved in the nearly steel bushing side of steel case-concrete flange plate, and the 1st row spiro keyhole position is away from steel case-concrete wing
Plate outer ledge 25cm, the 1st arranges the 1st spiro keyhole position distance steel case-concrete flange plate top edge as 10cm, the 2nd row bolt
The 1st row spiro keyhole position level intervals of Kong Weiyu are 15cm, and the 2nd arranges the 1st compound wing plate top of spiro keyhole position distance steel case-concrete
Portion edge is 25cm；It is 30cm per the spacing between a line spiro keyhole position；Spiro keyhole position diameter is not more than diameter of bolt 2mm；Institute
The diameter of bolt is stated as 24mm.
6. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
The steel case overall appearance dimensional thickness is 30 ~ 40cm, highly highly consistent with steel bushing.
7. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
The wing plate injection boots are that 1cm, angle form in 60 ° of steel plate and be welded in steel case-concrete flange plate bottom by two panels thickness
Portion, wedge angle is downward.
8. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
The positioning plate length and steel bushing are highly consistent, width 21.8cm, thickness 3cm；The spacing of each pair of positioning plate is than steel case
Big 4 ~ the 8mm of thickness；Positioning plate is fixed on by welding manner on the outside of steel bushing；Positioning plate opens up two row spiro keyhole positions in advance,
In far from steel bushing that 1 row spiro keyhole position Distance positioning plate outer ledge distance 10cm, remaining spiro keyhole position relative spacing with
Spiro keyhole position position on steel case-concrete flange plate is consistent.
9. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, it is characterised in that：
A pair of of tension of welding splits floor of putting more energy on the outside of each pair of positioning plate；The ribbed stiffener plate thickness be 1 ~ 2cm, width 40cm,
Length is consistent with positioning plate length, is welded on one side on positioning plate and with the 1st row bolt apart from being 7cm, another side is welded on steel
Sleeve lateral wall.
10. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, feature exist
In：The construction top plate internal diameter is consistent with steel bushing internal diameter, and length 50cm is fixed on by welding manner at the top of steel bushing,
20 pieces of anti-unstabilitys of welding are put more energy into floor below construction top plate；The anti-unstability ribbed stiffener plate thickness of described every piece is 1 ~ 2cm, at right angles
Triangular structure, two right-angle side sizes are 20cm × (20 ~ 50) cm, and right angle short side dimension is welded on steel bushing lateral wall, directly
Angular length side is welded on the downside of construction top plate；Each a quarter steel bushing arc-shaped edges are according to being angularly evenly arranged 5 pieces of anti-unstabilitys
It puts more energy into floor.
11. the assembled wing plate sleeve of offshore wind turbine large diameter steel pipe pile foundation according to claim 1, feature exist
In：The intensity of steel is Q345 in the assembled wing plate sleeve.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948360A (en) * | 2017-05-08 | 2017-07-14 | 中国能源建设集团江苏省电力设计院有限公司 | The assembled wing plate sleeve and construction method of offshore wind turbine large diameter steel pipe pile foundation |
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2017
- 2017-05-08 CN CN201720505590.2U patent/CN207582479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948360A (en) * | 2017-05-08 | 2017-07-14 | 中国能源建设集团江苏省电力设计院有限公司 | The assembled wing plate sleeve and construction method of offshore wind turbine large diameter steel pipe pile foundation |
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