CN107152027A - Offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck - Google Patents
Offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck Download PDFInfo
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- CN107152027A CN107152027A CN201710481793.7A CN201710481793A CN107152027A CN 107152027 A CN107152027 A CN 107152027A CN 201710481793 A CN201710481793 A CN 201710481793A CN 107152027 A CN107152027 A CN 107152027A
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 241001317177 Glossostigma diandrum Species 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/005—Sound absorbing accessories in piling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck, the steel-pipe pile squeezed into by this construction method, not only easy construction, and steel-pipe pile position, perpendicularity, elevation and the discrepancy in elevation are accurate, and can guarantee that the uniformity and science of its steel tube pile structure stress.Leading truck back welding has mud mat, leading truck is put on sea bed by mud mat, if sea bed is slightly concavo-convex, because anti-settling plate suqare is big, it is thus overall also to keep smooth, but mud mat also increases the weight of leading truck, and mud mat is often stuck with the mud of sea bed, thus more considerably increase the difficulty of lifting, thus this leading truck is using removable upper, lower double-layer structure, the Bolt dismantling of leading truck in connection and lower leading truck is fallen after the completion of piling, we first can sling upper leading truck, then lower leading truck is hung out again, this makes it possible to mitigate hoisting weight, prevent mud from being adsorbed to mud mat and causing lifting difficult, and mud mat is provided with some through holes, mud can be reduced to mud mat suction-operated.
Description
Technical field
The present invention relates to a kind of offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck.
Background technology
With the fast development of domestic Oversea wind power generation, especially high-power wind-driven generator and deep water offshore wind field,
The geological conditions difference of different waters is huge, and offshore wind turbine foundation allows for adapting to Various Complex geology, therefore, for complexity
Marine Geology condition, large-scale wind driven generator and its supporting construction are fixed on particularly important on sea bed.
Single-pile foundation guide body structure stress substantially, can be located by transforming placement leading truck, but clump of piles base temporarily on the quarter
Plinth structure is more disperseed, it is impossible to realized by directly locating to place leading truck on the quarter.
Thus, need us to design a kind of easy construction for above-mentioned requirements, and ensure that piling bar position, it is vertical
Degree, accurate elevation and the discrepancy in elevation, the construction method of steel pile structure uniform force and science, and design and make in a kind of this method
Special leading truck.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provide a kind of offshore wind farm multi-column pier foundation pile sinking construction method and
The special leading truck used is needed in this method.
The technical solution adopted for the present invention to solve the technical problems is：
Offshore wind farm multi-column pier foundation pile sinking construction method, it is characterised in that：Comprise the following steps：
First, preparation of construction：Various materials and equipment prepare in place, and make leading truck,
2nd, anchor GPS is twisted to be accurately positioned：Leading truck pile driving position is set to be essentially coincided with design attitude,
3rd, grouser inserting piling：Grouser is squeezed into by the grouser guide pipe of leading truck, frame is then directed to and passes through suspension
Fixation is hung on grouser, to form fixed platform,
4th, steel-pipe pile lifting upset, pitching pile：Suspender lifts by crane steel-pipe pile in the sleeve pipe of insertion leading truck as requested,
5th, first time pile sinking：With hydraulic hammer successively by four steel-pipe pile inserting pilings to stake top away from plane certain altitude on leading truck,
6th, second of pile sinking：Using Pile feeder auxiliary pile sinking to designed elevation under water,
7th, pile sinking measurement control：Relative distance deviation, elevation, the discrepancy in elevation, perpendicularity meet technological requirement between guarantee steel-pipe pile,
8th, platform and grouser are removed.
The leading truck is provided with Bubble Heavy Curtain.
The detailed process of step 3 is：
1, hang ship and be accurately positioned, lifting leading truck enters water and is put on sea bed,
2, four grousers are inserted vertically into the sleeve pipe of leading truck by loop wheel machine direct single-point lifting grouser from cargo ship successively
Interior, grouser is supported by reentrying mud certainly,
3, loop wheel machine lifts by crane pile hammer from deck, is fixedly installed in by hydraulic gripper at the top of grouser
4, start pile hammer, observation control driving energy and pile penetration, complete pile sinking,
5, four grouser inserting pilings are sequentially completed, grouser absolute altitude is controlled in predetermined altitude,
6, loop wheel machine integrally lifts leading truck,
7, it is directed to frame using suspension and hangs on grouser,
8, monitored by being fixed on marine measuring table, leveling leading truck level, form piling fixed platform.
The special leading truck of offshore wind farm multi-column pier foundation piling construction, it is characterised in that：Including upper leading truck and lower leading truck,
The upper leading truck between conduit on conduit, and each two piling bar on four the two-by-two piling bar of symmetry arrangement including being provided with grouser
Connected on conduit, the piling bar on conduit and grouser between conduit by upper girder steel；The lower leading truck is right two-by-two including four
Claim the piling bar downcomer of arrangement, and be provided with grouser downcomer between each two piling bar downcomer, the piling bar downcomer with it is interim
Connected, be bolted between the upper leading truck and lower leading truck as an entirety by lower girder steel between stake downcomer, and
Conduit and corresponding grouser downcomer are coaxial on grouser, on each piling bar the top ends of conduit provided with it is some being capable of school
The directive wheel group of positive piling bar perpendicularity, the piling bar downcomer low side is welded with the top of mud mat, the grouser and is provided with and can carry
Rise the suspension arrangement of leading truck.
The directive wheel group includes the oil hydraulic cylinder being fixed on leading truck, and the piston rod end of the oil hydraulic cylinder is connected with cunning
Block, the sliding block is provided with rotating shaft, and the rotating shaft is provided with roller.
Limited block is provided with the conduit.
The top ends annular of conduit is evenly equipped with four groups of directive wheel groups on the piling bar.
It is additionally provided with the upper oblique girder steel for strengthening connection on the piling bar on conduit and grouser between conduit；Under the piling bar
The oblique girder steel for strengthening connection is additionally provided between conduit and grouser downcomer.
The mud mat is provided with some through holes.
The suspension arrangement of leading truck can be lifted by being provided with the top of the grouser.
The beneficial effects of the invention are as follows：The steel-pipe pile squeezed into by this construction method, not only easy construction, and steel-pipe pile
Position, perpendicularity, elevation and the discrepancy in elevation are accurate, and can guarantee that the uniformity and science of its steel tube pile structure stress.
The leading truck back welding of the present invention has mud mat, and leading truck is put on sea bed by mud mat, if sea bed is slightly concavo-convex,
Because anti-settling plate suqare is big, thus overall it can also keep smooth, it is to avoid to the transformation of ship machine for installing special leading truck.But
It is due to that mud mat is absorbed in the mud of sea bed, adds the difficulty of lifting, thus this leading truck is using removable upper and lower two layers
Structure, can select the Bolt dismantling by leading truck in connection and lower leading truck to fall after the completion of piling, by two layers of guiding up and down
Frame layering sling, can also select above and below two layers of leading truck together sling.Mud mat is provided with some through holes, can reduce mud
To mud mat suction-operated.
The present invention can sit bottom as interim fixed platform, can also be suspended on grouser and be put down as interim floating
Platform, precision high the features such as fast with positioning, and the effect with rapid construction, greatly improve China's offshore wind farm construction skill
Art level is significantly
Construction cost is reduced, promotes the development in China's offshore wind farm market.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the positive structure diagram of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is partial enlarged drawing at Fig. 1 A；
Fig. 4 is the general flow chart of construction method.
Embodiment
Referring to figs. 1 to Fig. 3, the invention discloses disclose a kind of special guiding of offshore wind farm multi-column pier foundation piling construction
Frame, including upper leading truck 1 and lower leading truck 2, the upper leading truck 1 include conduit 11 on four the two-by-two piling bar of symmetry arrangement,
And on each two piling bar between conduit 11 provided with conduit 12 on grouser, lead on the piling bar on conduit 11 and grouser between conduit 12
Upper girder steel 13 is crossed to connect；The lower leading truck 2 includes the piling bar downcomer 21 of four symmetry arrangements two-by-two, and under each two piling bar
Grouser downcomer 22 is provided between conduit 21, is connected between the piling bar downcomer 21 and grouser downcomer 22 by lower girder steel 23
Connect, conduit 11 and corresponding piling bar downcomer 21 are bolted as a sleeve pipe on the piling bar, so as to also make guiding
It is coaxial that frame 1 and lower leading truck 2 are connected as conduit 12 and corresponding grouser downcomer 22 in an entirety, and grouser, in order to
It is additionally provided with the upper oblique girder steel 14 for strengthening connection on increase bonding strength piling bar on conduit 11 and grouser between conduit 12；It is described
The oblique girder steel 24 for strengthening connection is additionally provided between piling bar downcomer 21 and grouser downcomer 22.In said structure, temporarily
Stake is imported by conduit on grouser 12 and corresponding grouser downcomer 22, is directed to frame hang-up again after grouser is squeezed into,
Frame is directed to by suspension arrangement to hang on grouser, the suspension arrangement is a hangoff receptacle 15 for being positioned over grouser top, should
The edge of hangoff receptacle 15 is provided with hanger bar 16, and the end of hanger bar 16 is locked by bolt with upper leading truck 1, so as to be directed to frame
Hang on grouser, be directed to frame leveling while suspension, form interim floating piling platform, so that by steel-pipe pile from piling bar
Upper conduit 11 and corresponding piling bar downcomer 21 are imported and hammer predetermined absolute altitude into shape, and horizontal scale is provided with the leading truck sleeve pipe
Line.
Certainly it is above-mentioned simply we according to construction requirement and environment leading truck 1 is used it is a kind of specifically chosen；In difference
Construction requirement and environment under, we can also be directed to frame and be integrally placed on sea bed, and insertion grouser fixed position, measurement is led
To frame levelness, design level is reached by the fine setting of local ballast, interim fixed piling platform is formed.
As illustrated, being led on the perpendicularity in order to ensure steel-pipe pile during steel-pipe pile is squeezed into, each piling bar
The top ends of pipe 11 can correct the directive wheel group 3 of piling bar perpendicularity provided with four groups, and the directive wheel group 3 includes being fixed on leading
To the oil hydraulic cylinder 31 on frame 1, the piston rod end of the oil hydraulic cylinder 31 is connected with sliding block 32, and the sliding block 32 is provided with rotating shaft 33, should
Rotating shaft 33 is provided with roller 34, and upper leading truck 1 is provided with the conduit 35 that guide shoe 32 is slided, thus by controlling each oil pressure
Cylinder 31 can just control the position of respective roller 34, and steel-pipe pile is pushed with regard to steel-pipe pile can be made to keep vertical by roller 34, and
Limited block 36, the shift position for control slide block 32 are provided with conduit 35.
Reference picture 4, the invention also discloses a kind of offshore wind farm multi-column pier foundation pile sinking construction method, comprises the following steps：
First, preparation of construction：Various materials and equipment prepare in place, and make leading truck,
2nd, cast anchor positioning：Leading truck pile driving position is essentially coincided with design attitude, have
Body process is：By the use of the 2 GPS survey stations and dipmeter for being fixed on bridge as piling location system, pass through computer reality
When measurement show stake position coordinate and orientation difference.Then adjust hull position by twisting anchor system, make leading truck pile driving position with
Design attitude is essentially coincided, and centre deviation is less than 30cm, and corner deviation is less than 1 °.In leading truck lifting decentralization process, lead to
Control hull axis and leading truck diameter parallel or orthogonal are crossed, the azimuth of leading truck is controlled.Leading truck integrally transfers to sea bed
Afterwards, observe sleeve pipe graduation mark, judge leading truck whether basic horizontal.Ship is hung in full circle swinging and grouser transport barge is located in guiding
Grouser is hung in frame side construction location, preparation.Formal stake cargo ship, which is stayed, to be moored in hanging in front of ship.
3rd, grouser inserting piling：To form fixed platform, idiographic flow is：Grouser
Using a diameter of 2.0m, wall thickness 20mm steel-pipe piles four, single pile is about 50m.Grouser uses vibration pile driving hammer inserting piling；Face
When a stake ultimate bearing capacity of single pile scope press 200~250t checking calculations, the stake of each seat in the plane is carried out before construction according to depth bounds
It is long to calculate, driving depth is controlled with bearing capacity.Grouser pile head elevation control is in+5cm or so, and four grouser stake top absolute altitudes are big
Cause identical.
Grouser and fixed platform construction procedure are：Full circle swinging is hung ship and is accurately positioned, and lifting leading truck enters water and is put on sea
Bed → full circle swinging loop wheel machine direct single-point lifting grouser → four grousers are inserted vertically into leading truck set successively from cargo ship
In pipe, from mud support → full circle swinging loop wheel machine is reentried from deck lifting hydraulic vibration pile hammer, it is fixedly mounted by hydraulic gripper
In grouser top → Vibration on Start-up pile hammer, observation control driving energy and pile penetration complete pile sinking（It is right in pile driving process
Positioning pile verticality is monitored）→ four grouser inserting pilings are sequentially completed, absolute altitude is controlled in+5cm or so → full circle swinging loop wheel machine
Attempt overall lifting leading truck（It is such as unsuccessful, then only hang on a layer leading truck）, top mark is high to be controlled below+4cm → utilizes to hang
System is directed to frame and hangs on grouser → monitored by being fixed on marine measuring table, leveling leading truck, forms piling and fixes
Platform.
4th, steel-pipe pile lifting upset, pitching pile：Suspender presses steel-pipe pile lifting
In the sleeve pipe of as requested insertion leading truck, steel-pipe pile is lifted by crane using special hanger, and steel-pipe pile sets two ends suspension centre, is returned using complete
Turn main suspension hook lifting upper end, auxiliary hook lifting lower end, steel-pipe pile is risen and fallen action by two suspension hooks, completes upset in vertical state,
Lower end suspender is released, steel-pipe pile is in vertical state by the main suspension hook hanging of full circle swinging.
Bottom suspender is using a soft suspender belt when single pile is lifted by crane, and " ♂ " font is bundled in steel-pipe pile lower end；Upper end uses two
Steel wire rope and the parallel lifting of shoulder pole girder.
Full circle swinging hangs ship and one by one inserts four piles in overall positioning guiding rack sleeve pipe, and steel-pipe pile enters before mud, survey crew
Observed in place in being oriented to top of support, adjustment sleeve pipe oils top, makes steel-pipe pile vertical, and try one's best and make steel-pipe pile placed in the middle.Full circle swinging is hung
Shipowner's hook is slowly transferred, and allows steel-pipe pile positioning sinking under Gravitative Loads.2 meters or so observations often sink once, sinking is finished, and is seen
Pile position deviation is surveyed, if deviation transfinites, steel-pipe pile can be lifted, positioning is readjusted.
5th, first time pile sinking：Pile sinking to stake top away from plane certain altitude on leading truck, and
Four steel-pipe pile inserting pilings are characterized in particular in sustained height successively：Steel-pipe pile is completed after pitching pile, and it is heavy for the first time to carry out immediately
Stake.Hydraulic pile hammer is installed using full circle swinging lifting, by hammer jacket casing on steel pipe pile head, steel-pipe pile is adjusted using leading truck
Behind plan-position and perpendicularity, hydraulic hammer piling during about 1 meter away from leading truck top of hanger, cuts off hanger；Pile sinking is to stake top away from guiding
Plane 4.5m or so on frame（Because hydraulic hammer can not be by leading truck, and hammer cylinder height about 2.5m into shape）, first time pile sinking operation is completed,
Successively by four steel-pipe pile inserting pilings to sustained height.
The hammering control of said process is specific as follows：" gear " of hydraulic pile hammer hammering energy is adjustable, to prevent piling
Energy is excessive, steel-pipe pile internal stress is exceeded causes steel-pipe pile to damage, and actual maximum driving energy pre-control is in the reasonable scope.Just start
During pile sinking, started with low-grade location, small stroke hammer piling；Sinking is progressively switched to high tap position after slowing down or the hammering of larger stroke is heavy
Stake；Switch to low-grade small stroke pile sinking again when finding that pile penetration becomes big from childhood, the hammer is using computer control, energy in switch board
It is enough that abnormal risk is evaded by process adjust automatically control of driving piles, while the every drive piles parameter of automatic record.
The standard for stopping hammer is specifically defined by designed elevation, and pile penetration is used as check.
Hammer peening requirement：
（1）, in shallow-layer, when blow counts increase suddenly, hit more than 125/0.25m when；
（2）, in first time pile driving process, continuous five gusts of hammering, average every gust hit more than 125/1 gust of 0.25m or hammering greatly
/ 0.25m is hit in 250；Stop hammer more than 1h, hit more than 500/0.25m when.
Reach before designed elevation final set using pile sinking is clicked, so as to the stake top absolute altitude of measurement control in real time, make four pile stake tops
Absolute altitude is basically identical.Operating personnel's confirmation reaches after requirement that actual observation record piling perpendicularity, stake top absolute altitude and stake position reality are sat
Mark.
6th, second of pile sinking：Using Pile feeder auxiliary pile sinking to designed elevation,
7th, pile sinking measurement control：Relative distance deviation, elevation, the discrepancy in elevation, perpendicularity meet technological requirement between guarantee steel-pipe pile,
During leading truck horizontal degree measurement, survey crew takes a measurement with spirit level in guiding top of support.
During formal sunk pile measurement, survey crew can set up instruments monitor being oriented to top of support fixed position.Plane control：
Steel-pipe pile plan-position is monitored by GPS and total powerstation, controlled；Simultaneously, it is ensured that relative distance distance between steel-pipe pile
Deviation requirement.
Elevation and highness change：Using leading truck fixed platform as benchmark, benchmark point height is obtained by the GPS measurements of higher degree
.Spirit level is installed on platform, using datum mark as backsight, Pile feeder identification point is observed, so as to extrapolate steel-pipe pile stake top mark
Height is controlled.Emphasis is observed and four steel-pipe pile stake top absolute altitudes of record and stake heart plan-position, is follow-up Stake head handling positioning
Initial data is provided to support.
Degree control：Perpendicularity sweeps side using two theodolites in 90 ° of arrangements, make steel pipe pile verticality 1/250 with
It is interior.
8th, platform and grouser are removed.It is characterized in particular in：After steel pipe sunk pile terminates, hang ship using full circle swinging and integrally lift
Guiding, which is placed on, hangs boat deck.Vibration hammer carries out grouser and pulled out, and after platform removal, relevant ships are transferred to next base bits and applied
Work.
The leading truck is provided with Bubble Heavy Curtain.To avoid pile sinking noise that marine organisms are caused with damage, to four steel pipes
Bubble Heavy Curtain, noise-decreasing are done in stake respectively.Blower foundation stake diameter 2.2m, a diameter of 5m of Bubble Heavy Curtain, breather pipe is 4 layers of diameter
5.0cm steel pipes, steel pipe lateral wall bores the 2mm circular holes of 2 row's quincuncial arrangements, pitch-row 5cm.During per pile inserting piling, on leading truck,
Air compressor machine escape pipe is connected with this Bubble Heavy Curtain air induction hose.Start air compressor machine during pile sinking, make on truss four layers to lead to
Gas steel pipe sprays compressed air, so as to form in an unbroken line Bubble Heavy Curtain.
A kind of offshore wind farm multi-column pier foundation pile sinking construction method provided above the embodiment of the present invention and special guiding
Frame, is described in detail, and specific case used herein is set forth to the principle and embodiment of the present invention, the above
The explanation of embodiment is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for the general skill of this area
Art personnel, according to the thought of the present invention, will change in specific embodiments and applications, in summary, this
Description should not be construed as limiting the invention.
Claims (10)
1. offshore wind farm multi-column pier foundation pile sinking construction method, it is characterised in that：Comprise the following steps：
First, preparation of construction：Various materials and equipment prepare in place, and make leading truck,
2nd, anchor GPS is twisted to be accurately positioned：Leading truck pile driving position is set to be essentially coincided with design attitude,
3rd, grouser inserting piling：Grouser is squeezed into by the grouser guide pipe of leading truck, frame is then directed to and passes through suspension
Fixation is hung on grouser, to form fixed platform,
4th, steel-pipe pile lifting upset, pitching pile：Suspender lifts by crane steel-pipe pile in the sleeve pipe of insertion leading truck as requested,
5th, first time pile sinking：With hydraulic hammer successively by four steel-pipe pile inserting pilings to stake top away from plane certain altitude on leading truck,
6th, second of pile sinking：Using Pile feeder auxiliary pile sinking to designed elevation under water,
7th, pile sinking measurement control：Relative distance deviation, elevation, the discrepancy in elevation, perpendicularity meet technological requirement between guarantee steel-pipe pile,
8th, platform and grouser are removed.
2. offshore wind farm multi-column pier foundation pile sinking construction method according to claim 1, it is characterised in that：On the leading truck
Provided with Bubble Heavy Curtain.
3. offshore wind farm multi-column pier foundation pile sinking construction method according to claim 1, it is characterised in that：Step 3 it is specific
Process is：
1, hang ship and be accurately positioned, lifting leading truck enters water and is put on sea bed,
2, four grousers are inserted vertically into the sleeve pipe of leading truck by loop wheel machine direct single-point lifting grouser from cargo ship successively
Interior, grouser is supported by reentrying mud certainly,
3, loop wheel machine lifts by crane pile hammer from deck, is fixedly installed in by hydraulic gripper at the top of grouser
4, start pile hammer, observation control driving energy and pile penetration, complete pile sinking,
5, four grouser inserting pilings are sequentially completed, grouser absolute altitude is controlled in predetermined altitude,
6, loop wheel machine integrally lifts leading truck,
7, it is directed to frame using suspension and hangs on grouser,
8, monitored by being fixed on marine measuring table, leveling leading truck level, form piling fixed platform.
4. the special leading truck of offshore wind farm multi-column pier foundation piling construction, it is characterised in that：Including upper leading truck and lower leading truck, institute
Leading truck is stated to lead including being provided with grouser between conduit on conduit, and each two piling bar on four the two-by-two piling bar of symmetry arrangement
Pipe, is connected on conduit and grouser between conduit by upper girder steel on the piling bar；The lower leading truck is symmetrical two-by-two including four
Grouser downcomer, the piling bar downcomer and grouser are provided between the piling bar downcomer of arrangement, and each two piling bar downcomer
Connected, be bolted between the upper leading truck and lower leading truck as an entirety, and face by lower girder steel between downcomer
When the upper conduit of stake it is coaxial with corresponding grouser downcomer, the top ends of conduit are provided with and some can corrected on each piling bar
The directive wheel group of piling bar perpendicularity, the piling bar downcomer low side is welded with the top of mud mat, the grouser and is provided with and can be lifted
The suspension arrangement of leading truck.
5. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 4, it is characterised in that：It is described to lead
The oil hydraulic cylinder for including being fixed on upper leading truck to wheel group, the piston rod end of the oil hydraulic cylinder is connected with sliding block, set on the sliding block
There is rotating shaft, the rotating shaft is provided with roller.
6. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 5, it is characterised in that：It is described to lead
Limited block is provided with pipe.
7. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 5, it is characterised in that：The steel
The top ends annular of conduit is evenly equipped with four groups of directive wheel groups in stake.
8. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 4, it is characterised in that：The steel
It is additionally provided with the upper oblique girder steel for strengthening connection in stake on conduit and grouser between conduit；Under the piling bar downcomer and grouser
The oblique girder steel for strengthening connection is additionally provided between conduit.
9. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 4, it is characterised in that：It is described anti-
Heavy plate is provided with some through holes.
10. the special leading truck of offshore wind farm multi-column pier foundation piling construction according to claim 4, it is characterised in that：It is described
The suspension arrangement of leading truck can be lifted by being provided with the top of grouser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481793.7A CN107152027A (en) | 2017-06-22 | 2017-06-22 | Offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710481793.7A CN107152027A (en) | 2017-06-22 | 2017-06-22 | Offshore wind farm multi-column pier foundation pile sinking construction method and special leading truck |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951627A (en) * | 2018-09-14 | 2018-12-07 | 江苏华西村海洋工程服务有限公司 | Jacket pile pipe piling technique |
| CN108951628A (en) * | 2018-09-14 | 2018-12-07 | 江苏华西村海洋工程服务有限公司 | Jacket pile pipe pitching pile technique |
| CN109083147A (en) * | 2018-09-28 | 2018-12-25 | 上海建工七建集团有限公司 | A kind of steel-pipe pile construction guidance frame and construction method |
| CN109208624A (en) * | 2018-11-06 | 2019-01-15 | 江苏龙源振华海洋工程有限公司 | A kind of offshore boosting station jacket leveling construction technology |
| CN109518710A (en) * | 2018-11-19 | 2019-03-26 | 熊翱 | A kind of polygonal jacket basis and its construction method for ocean engineering |
| CN109629568A (en) * | 2018-12-30 | 2019-04-16 | 中交第三航务工程局有限公司江苏分公司 | The process for sinking of the steady stake platform of offshore wind farm jacket foundation steel pipe pile floating |
| CN109811767A (en) * | 2019-01-29 | 2019-05-28 | 广州打捞局 | Suction barrel base piling positioning frame |
| CN109826196A (en) * | 2019-03-04 | 2019-05-31 | 中天科技集团海洋工程有限公司 | A kind of steady stake platform |
| CN109853567A (en) * | 2018-12-26 | 2019-06-07 | 中交第三航务工程局有限公司 | A kind of pile sinking process of offshore wind farm steel tube pile embeded in rock |
| CN110106909A (en) * | 2019-06-13 | 2019-08-09 | 中交上海港湾工程设计研究院有限公司 | A kind of anchor pole gravity type offshore wind basis and its construction method |
| CN110185390A (en) * | 2019-06-10 | 2019-08-30 | 中铁五局集团建筑工程有限责任公司 | A kind of mini pile clump of piles boring positioning guiding device and application method |
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| CN111501756A (en) * | 2020-05-29 | 2020-08-07 | 江苏亨通蓝德海洋工程有限公司 | Pile-embracing jacket and construction method thereof |
| WO2021169195A1 (en) * | 2020-02-25 | 2021-09-02 | 中国海洋大学 | Bottom boundary layer in-situ observation system suitable for shallow-water viscous seabed, and arrangement method therefor |
| CN113897959A (en) * | 2021-09-29 | 2022-01-07 | 中国能源建设集团广东火电工程有限公司 | Underwater positioning guide frame for offshore wind power foundation pile sinking and pile sinking construction method |
| CN114319352A (en) * | 2021-12-31 | 2022-04-12 | 中国港湾工程有限责任公司 | Steel pipe pile water pile sinking construction method |
| CN114370041A (en) * | 2021-12-30 | 2022-04-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Basic platform of offshore converter station |
| CN115613578A (en) * | 2022-11-08 | 2023-01-17 | 浙江大学 | Guide frame, jacket pile-first construction method and suction tube type penetration construction method |
| CN115652792A (en) * | 2022-10-28 | 2023-01-31 | 中铁四局集团第二工程有限公司 | Construction method of steel trestle bench method |
| CN117569383A (en) * | 2024-01-15 | 2024-02-20 | 成都中品建设工程有限公司 | High-earthquake-resistance foundation and construction method thereof |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
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| CN108951627A (en) * | 2018-09-14 | 2018-12-07 | 江苏华西村海洋工程服务有限公司 | Jacket pile pipe piling technique |
| CN108951628A (en) * | 2018-09-14 | 2018-12-07 | 江苏华西村海洋工程服务有限公司 | Jacket pile pipe pitching pile technique |
| CN109083147A (en) * | 2018-09-28 | 2018-12-25 | 上海建工七建集团有限公司 | A kind of steel-pipe pile construction guidance frame and construction method |
| CN109208624A (en) * | 2018-11-06 | 2019-01-15 | 江苏龙源振华海洋工程有限公司 | A kind of offshore boosting station jacket leveling construction technology |
| CN109518710A (en) * | 2018-11-19 | 2019-03-26 | 熊翱 | A kind of polygonal jacket basis and its construction method for ocean engineering |
| CN109853567A (en) * | 2018-12-26 | 2019-06-07 | 中交第三航务工程局有限公司 | A kind of pile sinking process of offshore wind farm steel tube pile embeded in rock |
| CN109629568A (en) * | 2018-12-30 | 2019-04-16 | 中交第三航务工程局有限公司江苏分公司 | The process for sinking of the steady stake platform of offshore wind farm jacket foundation steel pipe pile floating |
| CN109811767A (en) * | 2019-01-29 | 2019-05-28 | 广州打捞局 | Suction barrel base piling positioning frame |
| CN109811767B (en) * | 2019-01-29 | 2024-05-17 | 广州打捞局 | Pile sinking positioning frame for suction bucket foundation |
| CN109826196A (en) * | 2019-03-04 | 2019-05-31 | 中天科技集团海洋工程有限公司 | A kind of steady stake platform |
| CN110195435A (en) * | 2019-05-27 | 2019-09-03 | 中交第四航务工程局有限公司 | A kind of positioning device for pile foundation construction |
| CN110185390A (en) * | 2019-06-10 | 2019-08-30 | 中铁五局集团建筑工程有限责任公司 | A kind of mini pile clump of piles boring positioning guiding device and application method |
| CN110185390B (en) * | 2019-06-10 | 2024-07-09 | 中铁五局集团建筑工程有限责任公司 | Miniature pile group pile drilling positioning and guiding device and use method |
| CN110106909B (en) * | 2019-06-13 | 2024-03-12 | 中交上海港湾工程设计研究院有限公司 | Anchor rod gravity type offshore wind power foundation and construction method thereof |
| CN110106909A (en) * | 2019-06-13 | 2019-08-09 | 中交上海港湾工程设计研究院有限公司 | A kind of anchor pole gravity type offshore wind basis and its construction method |
| WO2021169195A1 (en) * | 2020-02-25 | 2021-09-02 | 中国海洋大学 | Bottom boundary layer in-situ observation system suitable for shallow-water viscous seabed, and arrangement method therefor |
| CN111501756A (en) * | 2020-05-29 | 2020-08-07 | 江苏亨通蓝德海洋工程有限公司 | Pile-embracing jacket and construction method thereof |
| CN113897959A (en) * | 2021-09-29 | 2022-01-07 | 中国能源建设集团广东火电工程有限公司 | Underwater positioning guide frame for offshore wind power foundation pile sinking and pile sinking construction method |
| CN114370041A (en) * | 2021-12-30 | 2022-04-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Basic platform of offshore converter station |
| CN114319352A (en) * | 2021-12-31 | 2022-04-12 | 中国港湾工程有限责任公司 | Steel pipe pile water pile sinking construction method |
| CN115652792A (en) * | 2022-10-28 | 2023-01-31 | 中铁四局集团第二工程有限公司 | Construction method of steel trestle bench method |
| CN115652792B (en) * | 2022-10-28 | 2023-12-22 | 中铁四局集团有限公司 | Construction method of steel trestle bench method |
| CN115613578B (en) * | 2022-11-08 | 2023-03-28 | 浙江大学 | Guide frame, jacket pile-first construction method and suction tube type penetration construction method |
| CN115613578A (en) * | 2022-11-08 | 2023-01-17 | 浙江大学 | Guide frame, jacket pile-first construction method and suction tube type penetration construction method |
| CN117569383A (en) * | 2024-01-15 | 2024-02-20 | 成都中品建设工程有限公司 | High-earthquake-resistance foundation and construction method thereof |
| CN117569383B (en) * | 2024-01-15 | 2024-03-19 | 成都中品建设工程有限公司 | High-earthquake-resistance foundation and construction method thereof |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
| CN117773440B (en) * | 2024-02-26 | 2024-04-19 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
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