CN110439020A - Marine single-pile foundation with sand pile reinforcing ground - Google Patents

Marine single-pile foundation with sand pile reinforcing ground Download PDF

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Publication number
CN110439020A
CN110439020A CN201910776949.3A CN201910776949A CN110439020A CN 110439020 A CN110439020 A CN 110439020A CN 201910776949 A CN201910776949 A CN 201910776949A CN 110439020 A CN110439020 A CN 110439020A
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CN
China
Prior art keywords
pile
sand
foundation
steel
consolidated subsoil
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Pending
Application number
CN201910776949.3A
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Chinese (zh)
Inventor
闾泽洋
林毅峰
杨威
校建东
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Priority to CN201910776949.3A priority Critical patent/CN110439020A/en
Publication of CN110439020A publication Critical patent/CN110439020A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/52Submerged foundations, i.e. submerged in open water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/08Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/10Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
    • E02D3/106Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by forming sand drains containing only loose aggregates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/28Prefabricated piles made of steel or other metals
    • E02D5/285Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Piles And Underground Anchors (AREA)
  • Foundations (AREA)

Abstract

The present invention relates to a kind of marine single-pile foundations with sand pile reinforcing ground in the pile foundation field of ocean engineering, technical solution is that steel-pipe pile is sunk to sea bed, sea bed is soft soil foundation, the consolidated subsoil of sand pile technique is used in the regional area of soft soil foundation, steel-pipe pile is inserted through consolidated subsoil and sinks to soft soil foundation, and consolidated subsoil includes the weak soil between sand pile and sand pile;Sand pile uniform intervals arrangement;The center longitudinal axis of consolidated subsoil and the center longitudinal axis of steel-pipe pile are consistent.Sand pile includes sand compaction pile.Its horizontal bearing capacity is high, Horizontal Displacement is small, pile body inclination angle is small, soil rigidity is big, adapt to the big feature of offshore wind turbine horizontal loading, meet strict demand of the offshore wind turbine to horizontal displacement of foundation and pile body inclination angle, meets the requirement of " structure+basis " the whole natural frequency of vibration.

Description

Marine single-pile foundation with sand pile reinforcing ground
Technical field
The present invention relates to the horizontal bearing performance in the pile foundation field of ocean engineering more particularly to a kind of soft soil foundation is high Marine single-pile foundation.
Background technique
Oversea wind power generation is the emphasis of new energy field development, and market prospects are boundless.Blower unit is for basis Horizontal displacement and differential settlement there is strict control standard, the natural frequency of vibration of " structure+basis " needs to avoid external loads Driving frequency.Currently, the common basal pattern of offshore wind turbine have single pile, high-rise pile cap, spider, jacket, Gravity type, negative pressure barrel type and floating platform structure etc..At sea in Wind Power Project, single-pile foundation is widely adopted, because it has The advantages that taking up an area smaller, simple structure, quick construction, lower cost;But then, single-pile foundation is relative to other basic types Formula disadvantage is that smaller for rigidity, structure is more soft.China coastal seas sea area sea bed surface layer is mostly deep weak soil, in certain journey The application on the type basis is constrained on degree.Under complicated marine environment, wave, ocean current etc. can apply huge water to blower foundation Flat load;As blower single-machine capacity is increasing, hub height is higher and higher, and blade is increasingly longer, and fan loads are increasingly Greatly.Although steel-pipe pile itself bending stiffness is larger, the horizontal restraint that the soil body on stake week ground surface layer is capable of providing is limited.If Using conventional single-pile foundation, increase that stake diameter, stake be long or the method for wall thickness will lead to the more materials of consumption, the increase of single pile weight Also higher difficulty of construction is brought, so that foundation cost increases sharply, influences the power benefit of wind power plant.Therefore research and development weak soil The high marine single-pile foundation of horizontal bearing performance in ground has actual engineering significance.
Summary of the invention
In view of the difficult point that single-pile foundation is applied in soft soil foundation sea area, the object of the present invention is to provide one kind to have sand The marine single-pile foundation of stake consolidated subsoil, horizontal bearing capacity is high, Horizontal Displacement is small, pile body inclination angle is small, soil rigidity is big, The big feature of offshore wind turbine horizontal loading is adapted to, strict demand of the offshore wind turbine to horizontal displacement of foundation and pile body inclination angle is met, Meet the requirement of " structure+basis " the whole natural frequency of vibration.
The technical solution of the present invention is as follows: a kind of high-level bearing capacity single-pile foundation in sea with sand pile reinforcing ground, packet The steel-pipe pile for sinking to sea bed is included, sea bed is soft soil foundation, further includes being formed in the regional area of soft soil foundation using sand pile technique Consolidated subsoil, steel-pipe pile is inserted through consolidated subsoil and sinks to soft soil foundation, and consolidated subsoil includes soft between sand pile and sand pile Soil;Sand pile uniform intervals arrangement;The center longitudinal axis of consolidated subsoil and the center longitudinal axis of steel-pipe pile are consistent.
Based on above-mentioned technical characteristic: the periphery and inside of steel-pipe pile are consolidated subsoil.
Based on above-mentioned technical characteristic: the periphery of steel-pipe pile is consolidated subsoil, is weak soil in steel-pipe pile.
Based on above-mentioned technical characteristic: in the upper surface of soft soil foundation, stake week protection against erosion knot is provided with around steel-pipe pile Structure.
Based on above-mentioned technical characteristic: stake week Anti-scouring structure is jackstone or soft raft or interlock block or what solidified earth was paved into covers Cap rock.
Based on above-mentioned technical characteristic: sand pile is in concentric circles or positive triangle or arranged in squares.
Based on above-mentioned technical characteristic: sand pile includes sand compaction pile.
Accessory structure is installed in being located at outside the above pile body of sea bed for steel-pipe pile.Accessory structure mainly includes but is not limited to that steel is flat Platform, berthing structure and cable tube.Reserved location on steel-pipe pile, for being connect with accessory structure.
In above-mentioned technical proposal, the effect of sand pile has several aspects: first is that soft soil foundation locally displacement, i.e. sand pile intensity Higher than the intensity of surrounding weak soil, form compound foundation, integral strength is improved than original soil body.Second is that surrounding is soft as drainage channel Water in soil is discharged under outer load action realizes that soil strength improves.Third is that crowd in-out effects, work progress has weak soil around Squeezing action promotes the water in weak soil to be around discharged and realizes that soil strength improves.
The technical program is also applied for sand compaction pile, and sand compaction pile can become more closely knit under effect of vibration, and intensity can mention It is high;It is stronger to surrounding soil squeezing action simultaneously, it forces the water in weak soil to be around discharged and realizes that soil strength improves, consolidation effect Can be better than common sand pile, drainage effect is then slightly weak.
There is the marine single-pile foundation of sand pile reinforcing ground or sand compaction pile consolidated subsoil using this, single-pile foundation can be made Suitable for wider array of sea area, bigger blower type, from this basic aspect of blower foundation type selecting, avoid using high-rise pile cap, The higher type of foundation of the costs such as spider, jacket shortens construction work so that offshore wind turbine foundation project cost be effectively reduced Phase promotes wind power plant power benefit.
This has the marine single-pile foundation of sand pile reinforcing ground or sand compaction pile consolidated subsoil, single relative to common sea Pile foundation, horizontal bearing capacity effectively improve, and are effectively reduced stake top horizontal comparison, and corner is effectively reduced at single pile mud face, improve " structure+basis " entirety natural frequency of vibration, while there is the benefit for saving single-pile foundation steel using amount.
As above, the high marine single-pile foundation of horizontal bearing performance in soft soil foundation of the present invention, has the advantages that The high marine single-pile foundation of horizontal bearing performance in the soft soil foundation, it is economical, safe and reliable, it is suitable for wider array of sea area, more Big blower type, having in terms of project cost significantly reduces;And construction technology is simple, need to only increase small range Sandy pile construction, carry out get up easily and effectively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the marine single-pile foundation that the present invention has sand pile reinforcing ground.
Fig. 2 is the plan view of the first embodiment of the marine single-pile foundation that the present invention has sand pile reinforcing ground.
Fig. 3 is the plan view of second of embodiment of the marine single-pile foundation that the present invention has sand pile reinforcing ground.
Fig. 4 is the plan view of the third embodiment of the marine single-pile foundation that the present invention has sand pile reinforcing ground.
Label declaration
Soft soil foundation 1;Steel-pipe pile 2;Sand pile 3;Consolidated subsoil 4;The all Anti-scouring structures 5 of stake;Accessory structure 6;Mud face 7.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.These embodiments are only used for Illustrate the present invention, and not limitation of the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can be also possible to indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Figure 1, steel-pipe pile 2 is sunk to sea bed, sea bed is soft soil foundation 1, the partial zones setting in soft soil foundation 1 Using the consolidated subsoil 4 of sand pile technique, steel-pipe pile 2 is inserted through consolidated subsoil 4 and sinks to soft soil foundation, and consolidated subsoil 4 includes Sand pile 3 and weak soil therebetween.The center longitudinal axis of consolidated subsoil 4 is consistent with the center longitudinal axis of steel-pipe pile 2.Consolidated subsoil 4 is risen Journey is located at 7 or less the position of mud face of soft soil foundation, and the bottom elevation incorporation engineering of consolidated subsoil needs and construction equipment condition determines. The size of consolidated subsoil can be practical according to each engineering, comprehensively considers Bearing Capacity of Steel Pipe Piles requirement, Deformation control and project cost It determines.In the upper surface of soft soil foundation, stake week Anti-scouring structure 5 is set around 2 surrounding of steel-pipe pile, stake week Anti-scouring structure can be with The coating being paved into using different schemes, such as jackstone, soft raft, interlock block, solidified earth etc., function are prevented around stake The soil body washed away by water flow.Soft raft includes geotextile and filler material etc.;Interlock block includes armored concrete etc..The all erosion controls of stake The flat shape of brush configuration 5 is unlimited, and outer edge can be designed to that round or polygon or irregular shape, size can bases Each engineering is practical to be determined.Accessory structure 6 is installed in being located at outside the above pile body of sea bed for steel-pipe pile.Accessory structure 6 mainly includes but not It is limited to steel platform, berthing structure and cable tube.Reserved location on steel-pipe pile, for being connect with accessory structure 6.
Steel-pipe pile 2 transmits superstructure load for supporting blower fan tower barrel in the present invention.The consolidated subsoil 4 of sand pile technique Main function is to provide horizontal restraint for steel-pipe pile 2, horizontal loading is spread and is transmitted to soft soil foundation 1.The all protection against erosion knots of stake Structure 5 for protecting soft soil foundation 1 and consolidated subsoil 4 avoids that level can not be provided about since 2 surrounding soil of steel-pipe pile is washed away Beam.
Fig. 2 show the plane of the first embodiment of marine single-pile foundation of the present invention with sand pile reinforcing ground Figure.The concentric circles interval of different radii of the sand pile 3 outside steel-pipe pile 2 is evenly arranged.Sand pile 3 can be cut by steel-pipe pile 2, be realized The close contact of sand pile and steel-pipe pile.Sand pile, i.e. adding using sand pile technique can be not provided with inside steel-pipe pile 2 shown in Fig. 2 Gu ground 4 is arranged only at the peripheral region of steel-pipe pile 2.
Fig. 3 and Fig. 4 is the flat of the other two kinds of embodiments for the marine single-pile foundation that the present invention has sand pile reinforcing ground Face figure.Sand pile 3 is evenly arranged.It is illustrated in figure 33 quadrate array of sand pile arrangement.3 Triangular array of sand pile as shown in Figure 4 Arrangement.The insertion of steel-pipe pile 2 has the consolidated subsoil 4 of sand pile, the center longitudinal axis of consolidated subsoil 4 and the center longitudinal axis one of steel-pipe pile 2 It causes.There is sand pile 3 in steel-pipe pile 2, forms uniform consolidated subsoil 4 preferably.The arrangement mode of sand pile or sand compaction pile is usually just Rectangular or equilateral triangle should be evenly arranged, and the setting of stake diameter and spacing can refer to " marine traffic engineering code for foundation design " (JTS147-2017)。
Marine single-pile foundation construction method citing of the invention: first by design drawing concentric circles or positive triangle arrangement or just Square arrangement carries out sand pile or sand compaction pile construction, belongs to mature technology, so far realize sand pile or sand compaction pile technique plus Gu ground 4.Then 2 piling construction of steel-pipe pile is completed.Anti-scouring structure 5 is carried out, accessory structure 6 is finally installed.The present invention realizes Horizontal fan load passes to sand pile by steel-pipe pile 2 or the consolidated subsoil 4 of sand compaction pile technique passes to soft soil foundation 1 around again, Path of Force Transfer is succinctly direct.
To sum up, the present invention improves the strength and stiffness of pile peripheral earth using sand pile or sand compaction pile, improves soft soil foundation Horizontal bearing performance, it is economical, safe and reliable.Horizontal bearing capacity of the present invention is high, Horizontal Displacement is small, pile body inclination angle is small, basic Rigidity is big, adapts to the big feature of offshore wind turbine horizontal loading, meets offshore wind turbine to the tight of horizontal displacement of foundation and pile body inclination angle Lattice requirement meets the requirement of " structure+basis " the whole natural frequency of vibration.The high sea of horizontal bearing performance in this soft soil foundation is single Pile foundation breaks through restriction of the soft soil foundation to single-pile foundation, wheel hub height bigger suitable for single-machine capacity suitable for wider array of sea area The blower that Du Genggao, blade are longer, horizontal loading is bigger can be avoided from this basic aspect of blower foundation type selecting using height The higher type of foundation of the costs such as pile framing, spider, jacket subtracts so that offshore wind turbine foundation project cost be effectively reduced The short construction period improves the economic benefit of marine wind electric field;And construction technology is simple, need to only increase small-scale sand pile or squeeze Close sandy pile construction is carried out easily and effectively.So the present invention effectively overcome in existing single-pile foundation in soft soil foundation The difficult point of application, thus have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.

Claims (7)

1. a kind of marine single-pile foundation with sand pile reinforcing ground, the steel-pipe pile (2) including sinking to sea bed, the sea bed are soft Soil base (1), it is characterised in that: further include the soft soil foundation regional area use sand pile technique formed consolidated subsoil (4), the steel-pipe pile (2) is inserted through the consolidated subsoil (4) and sinks to the soft soil foundation, consolidated subsoil (4) packet Include the weak soil between sand pile (3) and sand pile (3);Sand pile (3) the uniform intervals arrangement;The center longitudinal axis of the consolidated subsoil (4) It is consistent with the center longitudinal axis of the steel-pipe pile (2).
2. a kind of marine single-pile foundation with sand pile reinforcing ground according to claim 1, it is characterised in that: the steel The periphery and inside of tubular pole (2) are the consolidated subsoil (4).
3. a kind of marine single-pile foundation with sand pile reinforcing ground according to claim 1, it is characterised in that: the steel The periphery of tubular pole (2) is the consolidated subsoil (4), is weak soil in the steel-pipe pile (2).
4. a kind of marine single-pile foundation with sand pile reinforcing ground according to claim 1, it is characterised in that: described The upper surface of soft soil foundation (1) is provided with stake week Anti-scouring structure (5) around the steel-pipe pile (2).
5. a kind of marine single-pile foundation with sand pile reinforcing ground according to claim 4, it is characterised in that: the stake All Anti-scouring structures (5) are jackstone or soft raft or interlock block or the coating that solidified earth is paved into.
6. a kind of marine single-pile foundation with sand pile reinforcing ground according to claim 1, it is characterised in that: the sand Stake is in concentric circles or positive triangle or arranged in squares.
7. a kind of marine single-pile foundation with sand pile reinforcing ground described in any one of -6 according to claim 1, special Sign is: the sand pile includes sand compaction pile.
CN201910776949.3A 2019-08-22 2019-08-22 Marine single-pile foundation with sand pile reinforcing ground Pending CN110439020A (en)

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CN201910776949.3A CN110439020A (en) 2019-08-22 2019-08-22 Marine single-pile foundation with sand pile reinforcing ground

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112211215A (en) * 2020-09-30 2021-01-12 同济大学建筑设计研究院(集团)有限公司 Negative pressure ring reinforced rigid short pile foundation and installation method
CN112922019A (en) * 2021-03-08 2021-06-08 中国长江三峡集团有限公司 Single-pile foundation for reinforcing soft soil foundation by offshore wind power vibroflotation cemented pile and construction method
CN115075283A (en) * 2021-03-16 2022-09-20 中国电建集团华东勘测设计研究院有限公司 Anti-scouring structure for single pile foundation of offshore wind turbine generator and construction method of anti-scouring structure

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Publication number Priority date Publication date Assignee Title
JP2006083603A (en) * 2004-09-16 2006-03-30 Takenaka Doboku Co Ltd Construction method of mono-pile type foundation
CN102296588A (en) * 2011-05-27 2011-12-28 中交第三航务工程局有限公司 Construction process of underwater sand compaction pile
CN204059342U (en) * 2014-08-13 2014-12-31 上海勘测设计研究院有限公司 Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer
CN105862905A (en) * 2016-05-27 2016-08-17 福建省新能海上风电研发中心有限公司 Rock-socketed single pile foundation through offshore wind power and construction method of rock-socketed single pile foundation
CN207228101U (en) * 2017-09-25 2018-04-13 广东省航运规划设计院有限公司 A kind of sand compaction pile for being used in the soft soil foundation of deep water off-lying sea reinforce vertical type shore protection
CN108677992A (en) * 2018-05-21 2018-10-19 上海勘测设计研究院有限公司 Offshore wind turbine prestressing force gravity type foundation and its installation method
CN109853608A (en) * 2018-12-25 2019-06-07 长江勘测规划设计研究有限责任公司 A kind of offshore wind turbine gravity type foundation composite foundation and its processing method
CN109881659A (en) * 2019-03-27 2019-06-14 东南大学 A kind of offshore wind farm steel pipe pile foundation foundation reinforcement method with protection against erosion ability
CN211172055U (en) * 2019-08-22 2020-08-04 上海勘测设计研究院有限公司 Offshore single-pile foundation with sand pile reinforced foundation

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Publication number Priority date Publication date Assignee Title
JP2006083603A (en) * 2004-09-16 2006-03-30 Takenaka Doboku Co Ltd Construction method of mono-pile type foundation
CN102296588A (en) * 2011-05-27 2011-12-28 中交第三航务工程局有限公司 Construction process of underwater sand compaction pile
CN204059342U (en) * 2014-08-13 2014-12-31 上海勘测设计研究院有限公司 Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer
CN105862905A (en) * 2016-05-27 2016-08-17 福建省新能海上风电研发中心有限公司 Rock-socketed single pile foundation through offshore wind power and construction method of rock-socketed single pile foundation
CN207228101U (en) * 2017-09-25 2018-04-13 广东省航运规划设计院有限公司 A kind of sand compaction pile for being used in the soft soil foundation of deep water off-lying sea reinforce vertical type shore protection
CN108677992A (en) * 2018-05-21 2018-10-19 上海勘测设计研究院有限公司 Offshore wind turbine prestressing force gravity type foundation and its installation method
CN109853608A (en) * 2018-12-25 2019-06-07 长江勘测规划设计研究有限责任公司 A kind of offshore wind turbine gravity type foundation composite foundation and its processing method
CN109881659A (en) * 2019-03-27 2019-06-14 东南大学 A kind of offshore wind farm steel pipe pile foundation foundation reinforcement method with protection against erosion ability
CN211172055U (en) * 2019-08-22 2020-08-04 上海勘测设计研究院有限公司 Offshore single-pile foundation with sand pile reinforced foundation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112211215A (en) * 2020-09-30 2021-01-12 同济大学建筑设计研究院(集团)有限公司 Negative pressure ring reinforced rigid short pile foundation and installation method
CN112922019A (en) * 2021-03-08 2021-06-08 中国长江三峡集团有限公司 Single-pile foundation for reinforcing soft soil foundation by offshore wind power vibroflotation cemented pile and construction method
CN115075283A (en) * 2021-03-16 2022-09-20 中国电建集团华东勘测设计研究院有限公司 Anti-scouring structure for single pile foundation of offshore wind turbine generator and construction method of anti-scouring structure

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