CN104389318B - Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof - Google Patents

Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof Download PDF

Info

Publication number
CN104389318B
CN104389318B CN201410633320.0A CN201410633320A CN104389318B CN 104389318 B CN104389318 B CN 104389318B CN 201410633320 A CN201410633320 A CN 201410633320A CN 104389318 B CN104389318 B CN 104389318B
Authority
CN
China
Prior art keywords
steel
base
foundation
offshore wind
caisson
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410633320.0A
Other languages
Chinese (zh)
Other versions
CN104389318A (en
Inventor
熊翱
张锐
温文峰
潘晓亮
尤毅
严志娟
Original Assignee
熊翱
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 熊翱 filed Critical 熊翱
Priority to CN201410633320.0A priority Critical patent/CN104389318B/en
Publication of CN104389318A publication Critical patent/CN104389318A/en
Application granted granted Critical
Publication of CN104389318B publication Critical patent/CN104389318B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E02D27/10Deep foundations
    • E02D27/18Foundations formed by making use of caissons
    • 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
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/002Concrete
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0026Metals
    • E02D2300/0029Steel; Iron

Abstract

The invention discloses a reinforced concrete-steel structure hybrid gravity foundation for offshore wind power. The reinforced concrete-steel structure hybrid gravity foundation comprises a caisson base and an upper steel support structure, wherein the caisson base has a gravity type reinforced concrete cavity structure; the steel support structure is fixed on the caisson base; the top end of the steel support structure is provided with a foundation ring which is connected with a fan tower; the caisson base and/or the steel support structure is provided with an irrigation channel which is communicated to the cavity of the caisson base. The invention further discloses a construction method of the reinforced concrete-steel structure hybrid type gravity foundation for offshore wind power. Compared with an ordinary jacket and single pile foundation, the reinforced concrete-steel structure hybrid gravity foundation has the advantages that the advantages of a reinforced concrete structure and a steel structure are combined organically; the reinforced concrete cavity structure is taken as a foundation base, and the steel structure is taken as an upper support structure; a pile foundation is not required; the foundation is made on the land, is assembled integrally, and can be transported by means of semi-submersible barge or the own buoyance. The reinforced concrete-steel structure hybrid gravity foundation is easy and convenient for construction, is shorter in the construction period, is economical, and has a wide application prospect in an offshore wind power project.

Description

For the steel concrete-steel structure mixing gravity type foundation and its construction method of offshore wind farm
Technical field
The invention belongs to the technical field of offshore wind power foundation engineering, and in particular to a kind of steel concrete for offshore wind farm- Steel structure mixing gravity type foundation and its construction method.
Background technology
, because at sea constructing, big by effect of natural conditions, operating mode is more severe, can apply with scene for offshore wind power foundation engineering The work activity duration is short, difficulty of construction big, efficiency bottom the features such as.
At present, catheterostat and single large diameter steel pipe pile are the conventional base_structure types of offshore wind farm.Catheterostat is steel Truss structure, has the advantages that big rigidity, good stability, is relatively saved with material.But catheterostat is using pile foundation as supporting structure, pile foundation Construction needs pile follower under water, and difficulty of construction is larger, high to equipment requirements;The construction technology of catheterostat is installed after using first pile sinking When, it is extremely difficult that catheterostat installs under water para-position;If pile foundation needs embedding rock, not only difficulty of construction is big, long construction period, Er Qiegong Journey expense is also quite high.
The version of single large diameter steel pipe pile is simple, and speed of application is fast, and aquatic work amount is little.But single pile structure section Greatly, wall thickness is big, and from great, rolled steel dosage is big, lifting, pile driving equipment is required higher, and operating expenses is higher;Additionally, single pile knot Structure is not appropriate at present in the area for needing the embedding rock construction of pile foundation, because Big-Diameter Rock-Embedded Pile difficulty of construction is big, and construction machinery Seldom, operating expenses is very high.
Above-mentioned discussion content purpose be to reader introduce may be described below and/or advocate it is of the invention each The various aspects of the related technology of individual aspect, it is believed that the discussion content contributes to as reader with background's information, to be conducive to more Understand present disclosure well.
The content of the invention
It is an object of the invention to avoid of the prior art not enough and provide a kind of steel concrete-steel structure for offshore wind farm Mixing gravity type foundation and its construction method, its pile foundation that need not construct, basic integral manufacturing by land, convenient construction saves work Phase, overall economics are good, it is adaptable to which basement rock buries shallower marine site.
In order to overcome prior art not enough, the technical solution used in the present invention is:A kind of steel for offshore wind farm is provided Concrete-steel structure mixing gravity type foundation, including the steel supporting structure on caisson base and top, the caisson base is gravity type steel Muscle concrete cavity structure, the steel supporting structure is fixed on caisson base, and steel supporting structure top is provided with and blower fan The foundation ring of tower connection, on the caisson base and/or steel supporting structure the sky for being communicated to the caisson base is provided with The passage of pouring water in chamber.
Wherein, the steel supporting structure is catheterostat, is provided with caisson base corresponding with the supporting leg of catheterostat Supporting leg firm banking, the supporting leg is fixed on supporting leg hold-down support.
Wherein, the lower end of the supporting leg is embedded in the inside of supporting leg firm banking, or, the supporting leg and supporting leg firm banking The pre-buried steel Member Welding connection on top.
Wherein, the passage of pouring water is made up of the endoporus of the irrigation pipe and supporting leg that are arranged on the wall of the caisson base, Described irrigation pipe one end connects with cavity, and the other end is connected with the endoporus lower end of supporting leg.
Wherein, the steel supporting structure is single large diameter steel pipe, and the top cover central authorities of caisson base are provided with steel pipe and consolidate Determine base, the lower end of the large diameter steel pipe is embedded in steel pipe firm banking.
Wherein, the passage of pouring water is made up of the endoporus of the large diameter steel pipe, the endoporus lower end of large diameter steel pipe and institute State the cavity connection of caisson base.
Wherein, the caisson base is circular or regular polygon caisset, and its top cover is tapered slope or sphere curved surface, And/or, it is provided with ribs on the caisson base.
Wherein, the base plate of the caisson base is provided with the bedding grout hole that can be closed or take apart, bedding grout hole upper end It is connected to reserved grouting conduit;And/or, the top cover of the caisson base is provided with the backfill hole that can be closed or take apart.
Present invention also offers a kind of construction method of the steel concrete-steel structure mixing gravity type foundation for offshore wind farm, bag Include following steps:
S1, make the steel supporting structure with foundation ring, land fabrication caisson base, and steel is supported in factory process Structure and caisson base composition overall structure;
S2, the ground to offshore wind power foundation carry out the process such as dredge, and formation reaches the bedding of preset planeness;
S3, the backfill hole reserved to caisson base, bedding grout hole carry out envelope storehouse, and/or, plug-in floating gasbag, basis Lower water, scene is transported to by crane ship and tugboat and using partly latent barge or by the buoyancy of base structure itself by basis;
S4, partly latent are refuted and sunk to hauling out after base structure positioning or the direct base structure positioning by transportation by driving to scene, Jing Pour water passage to caisson base cavity inside pour water sinking basis, make basis be accurately seated on bedding;
S5, the backfill hole reserved by top cover or large diameter steel pipe fill sand or rubble to caisson base intracavity;
S6, the tower that offshore wind farm unit is installed by the foundation ring at the top of steel supporting structure.
Wherein, between step S4 and S5, by the grout hole arranged on base plate bedding is carried out using reserved grout pipe Pressure grouting.
Beneficial effects of the present invention:The base structure combines reinforced concrete structure with the advantage of steel construction, with Reinforced concrete cavity structure is used as can be from floating sole plate, steel construction as upper support structure, without the need for pile foundation of constructing, it is to avoid Numerous and diverse working procedures such as pile foundation pile sinking, embedding rock.Whole basis makes by land assembling, good integrity, can refute by partly latent or Transport by natural buoyancy, without the need for large-scale crane ship, only need to excavate after ground top layer weak soil and construction bedding just can sinking install, Contraction in Site is simple, and technical maturity, difficulty of construction is less, and the duration saves, it is adaptable to which supporting course buries shallower sea area. In a word, the base structure batch production degree is high, integration is good, the simple quick, good economy performance of construction, has in ocean engineering wide Wealthy application prospect.
Description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for one of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to the following drawings Other accompanying drawings.
Fig. 1 is the structural representation of the steel concrete-steel structure mixing gravity type foundation embodiment one for offshore wind farm.
Fig. 2 is Section A-A schematic diagram in Fig. 1.
Fig. 3 is section B-B schematic diagram in Fig. 2.
Fig. 4 is the structural representation of the steel concrete-steel structure mixing gravity type foundation embodiment two for offshore wind farm.
Fig. 5 is C-C schematic cross-sections in Fig. 4.
Fig. 6 is D-D schematic cross-sections in Fig. 5.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and concrete real The present invention is described in further detail to apply example, it should be noted that in the case where not conflicting, embodiments herein and Feature in embodiment can be mutually combined.
The core of the present invention is to provide a kind of steel concrete-steel structure mixing gravity type foundation and its construction for offshore wind farm Method, its batch production degree is high, integration is good, the simple quick, good economy performance of construction.
As shown in Figure 1, 2, 3, a kind of steel concrete-steel structure mixing gravity for offshore wind farm that the embodiment of the present invention one is provided Formula basis, including the caisson base 11 and the steel supporting structure on top of bottom, steel supporting structure is catheterostat 13, catheterostat 13 is steel truss structure, with multiple supporting legs 16.Caisson base 11 is gravity type reinforced concrete cavity structure, can be circular or just many Side shape, the inner side of outer wall 22 of caisson base 11 is provided with the supporting leg firm banking 17 corresponding with the supporting leg 16 of catheterostat 13, leads Pipe support 13 is connected and fixed on caisson base 11 by supporting leg 16 and supporting leg firm banking 17, and the top of catheterostat 13 is arranged There is the foundation ring 15 being connected with blower fan tower barrel.
Used as preferred embodiment, the lower end of the supporting leg 16 of catheterostat 13 is embedded in the inside of supporting leg firm banking 17, Caisson base 11 is set to be fixedly connected with catheterostat 13.Or supporting leg 16 connects with the pre-buried steel Member Welding on the top of supporting leg firm banking 17 Connect, be so easy to caisson base 11 and catheterostat 13 to be fabricated separately, secondary assembling.Above two fixed form has irrigation pipe 18 The endoporus of supporting leg 16 is connected to form passage of pouring water with the cavity of caisson base 11, is easy to the sunk type of caisson base 11 to pour water.
Used as preferred embodiment, the top cover 21 of caisson base 11 can be tapered slope or sphere curved surface, in top cover 21 The reserved backfill hole 24 that can be closed and take apart in centre, convenient basis backfills sand material after installing.
Used as preferred embodiment, band toe base plate 23, outer wall 22, the top cover 21 of the caisson base 11 is near cavity Side be provided with ribs 19, to strengthen intensity, the rigidity of caisson base 11.
Used as preferred embodiment, the base plate 23 of the caisson base 11 is provided with closed bedding grout hole 20, Reserved grouting conduit is terminated with bedding grout hole 20, grouting conduit upper end is extended on the water surface.After basis is installed, take apart Grout hole 20, by the grouting conduit reserved, base plate 23 is filled into from more than the water surface using pressure by grouting material (cement mortar) In beneath bedding, to improve the globality and stability of bedding.
As shown in Figure 4,5, 6, the another kind that the embodiment of the present invention two is provided is used for the steel concrete-steel structure mixing weight of offshore wind farm Power formula basis, including the caisson base 11 and top steel supporting structure of bottom.The large diameter steel pipe 14 that steel supporting structure is, Caisson base 11 is gravity type reinforced concrete cavity structure, can be circular or regular polygon, and its top cover 21 is tapered slope, major diameter The lower end of steel pipe 14 is embedded within the steel pipe firm banking 26 in the central authorities of top cover 21, and top cover 21 and steel pipe firm banking 26 can be steel Muscle concrete or prestressed reinforced concrete, the top of large diameter steel pipe 14 is provided with the foundation ring 15 being connected with blower fan tower barrel.
Used as preferred embodiment, the band toe base plate 23, outer wall 22 of the caisson base 11, top cover 21 are provided with reinforcement Rib 19, to strengthen the intensity of base structure.
Used as preferred embodiment, the base plate 23 of the caisson base 11 is provided with closed bedding grout hole 20, Can meet carries out the needs of pressure grouting to bedding after basis is installed.
The lifting of crane ship for convenience, presets on caisson base 11 in above-mentioned two kinds of embodiments and shackle plate or hangs Ring.
In order to implement the steel concrete for offshore wind farm for offshore wind farm-steel structure mixing gravity type as shown in Figures 1 to 6 Basis, the embodiment of the present invention additionally provides a kind of construction method, comprises the steps:
S1, make the steel supporting structure with foundation ring 15 in factory process, land fabrication caisson base 11, and by steel Supporting structure and the composition overall structure of caisson base 11;
S2, the ground to wind power foundation carry out the process such as dredge, and form the bedding 25 of preset planeness;
S3, the backfill hole 24 reserved to base structure, bedding grout hole 20 carry out envelope storehouse, and/or, plug-in floating gasbag, The lower water in basis, scene is transported to by crane ship and tugboat and using partly latent barge or by the basic buoyancy of itself by basis;
S4, partly latent are refuted and sunk to hauling out after base structure positioning or the direct base structure positioning by transportation by driving to scene, Jing Pour water passage to caisson base cavity inside pour water sinking basis, make basis be accurately seated on bedding 25;
S5, the backfill hole 24 reserved by top cover or large diameter steel pipe 14 fill sand or rubble to the intracavity of caisson base 11;
S6, the tower that offshore wind farm unit is installed by the foundation ring 15 at the top of steel supporting structure.
Wherein, after step s4, before step S5, if it is desired, after basis is installed, taking grout hole 20 apart, pass through Reserved grouting conduit, grouting material (cement mortar) is filled into the bedding 25 under base plate 23 from more than the water surface using pressure In, to improve the globality and stability of bedding.
Many details are elaborated in above description in order to fully understand the present invention, but, the present invention can be with It is different from other similar fashions described here to implement using other, it is thus impossible to be interpreted as to the scope of the present invention Limit.
In a word, although the present invention illustrates above-mentioned preferred implementation, although it should be noted that those skilled in the art Member can carry out various change and remodeling, unless such change and remodeling substantially deviate from the scope of the present invention, otherwise Should be construed as being included in protection scope of the present invention.

Claims (8)

1. a kind of steel concrete-steel structure mixing gravity type foundation for offshore wind farm, it is characterised in that:Including caisson base (11) and The steel supporting structure on top, the caisson base (11) is gravity type reinforced concrete cavity structure, and the steel supporting structure is consolidated On caisson base (11), steel supporting structure top is provided with the foundation ring (15) being connected with blower fan tower barrel, the steel The passage of pouring water for being communicated to the caisson base (11) internal cavities is provided with matter supporting structure, the steel supporting structure is Catheterostat (13), is provided with the supporting leg firm banking corresponding with the supporting leg (16) of catheterostat (13) on caisson base (11) (17), the supporting leg (16) is fixed on supporting leg hold-down support (17), and the passage of pouring water is by being arranged on the caisson base (11) endoporus of irrigation pipe (18) and supporting leg (16) on wall is constituted, and described irrigation pipe (18) one end connects with cavity, another End connects with the endoporus lower end of supporting leg (16).
2. the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to claim 1, it is characterised in that:Institute The lower end for stating supporting leg (16) is embedded in the inside of supporting leg firm banking (17), or, the supporting leg (16) and supporting leg firm banking (17) the pre-buried steel Member Welding connection on top.
3. the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to claim 1, it is characterised in that:Institute It is single large diameter steel pipe (14) to state steel supporting structure, and top cover (21) central authorities of caisson base (11) are provided with steel pipe and fix bottom Seat (26), the lower end of the large diameter steel pipe (14) is embedded in steel pipe firm banking (26).
4. the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to claim 3, it is characterised in that:Institute State passage of pouring water to be made up of the endoporus of the large diameter steel pipe (14), the endoporus lower end of large diameter steel pipe (14) and the caisson bottom The cavity connection of seat (11).
5. the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to any one of claim 1 to 4, its It is characterised by:The caisson base (11) is circular or regular polygon caisset, and its top cover (21) is tapered slope or spherical Curved surface, and/or, it is provided with ribs (19) on the caisson base (11).
6. the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to any one of claim 1 to 4, its It is characterised by:The base plate (23) of the caisson base (11) is provided with the bedding grout hole (20) that can be closed or take apart, and bedding is filled Reserved grouting conduit is terminated with slurry hole (20);And/or, the top cover (21) of the caisson base (11) be provided with can close or The backfill hole (24) taken apart.
7. a kind of construction method of the steel concrete-steel structure mixing gravity type foundation for offshore wind farm, it is characterised in that including as follows Step:
S1, make the steel supporting structure with foundation ring (15) in factory process, land fabrication caisson base (11), and by steel Supporting structure and caisson base (11) composition overall structure;
S2, the ground to offshore wind power foundation carry out process of dredging, and formation reaches the bedding (25) of preset planeness;
S3, the backfill hole (24) reserved to caisson base (11), bedding grout hole (20) carry out envelope storehouse, and/or, it is plug-in to help floating gas Capsule, water under base structure, by crane ship and tugboat and using partly latent barge or by base structure itself buoyancy by basis It is transported to scene;
S4, partly latent are refuted and sink to hauling out after base structure positioning or the direct base structure positioning by transportation by driving to scene, and Jing pours water Passage to caisson base (11) cavity inside pour water sinking basis, make basis be accurately seated on bedding (25);
S5, the backfill hole (24) reserved by top cover or large diameter steel pipe (14) fill sand or rubble to caisson base (11) intracavity;
S6, the tower that offshore wind farm unit is installed by the foundation ring (15) at the top of steel supporting structure.
8. the construction method of the steel concrete-steel structure mixing gravity type foundation for offshore wind farm according to claim 7, it is special Levy and be:Between step S4 and S5, by the grout hole (20) arranged on base plate bedding (25) is entered using reserved grout pipe Row pressure grouting.
CN201410633320.0A 2014-11-11 2014-11-11 Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof Active CN104389318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410633320.0A CN104389318B (en) 2014-11-11 2014-11-11 Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410633320.0A CN104389318B (en) 2014-11-11 2014-11-11 Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof

Publications (2)

Publication Number Publication Date
CN104389318A CN104389318A (en) 2015-03-04
CN104389318B true CN104389318B (en) 2017-05-17

Family

ID=52607271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410633320.0A Active CN104389318B (en) 2014-11-11 2014-11-11 Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof

Country Status (1)

Country Link
CN (1) CN104389318B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201008B (en) * 2015-07-22 2020-04-03 清华大学 Pin type bending-resistant longitudinal connecting joint and construction method thereof
CN105401590B (en) * 2015-11-20 2019-03-12 国家电网公司 The basic construct object and preparation method thereof with pipe protection channel for steel tube tower installation
CN106049525A (en) * 2016-07-27 2016-10-26 天津大学 Polygonal offshore wind power barrel-shaped foundation
CN109458304A (en) * 2018-11-30 2019-03-12 上海电气风电集团有限公司 A kind of semisubmersible-type floatation type blower foundation suitable for big megawatt-level wind unit
CN111764394A (en) * 2020-07-06 2020-10-13 华电重工股份有限公司 Installation method of cylindrical foundation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204282390U (en) * 2014-11-11 2015-04-22 熊翱 For the steel concrete-steel structure mixing gravity type foundation of offshore wind farm

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002256573A (en) * 2001-03-02 2002-09-11 Chubu Electric Power Co Inc Foundation for existing foundation reinforcing steel tower and construction method for it
DE102008041849A1 (en) * 2008-09-05 2010-03-25 Max Bögl Bauunternehmung GmbH & Co. KG Off-shore system, foundation of an off-shore system and method for setting up an off-shore system
CN102359117B (en) * 2011-07-19 2013-05-29 中国水电顾问集团中南勘测设计研究院 Concrete gravity type foundation applied to ocean engineering and installation method thereof
CN103469808B (en) * 2013-09-24 2015-12-30 广东明阳风电产业集团有限公司 The offshore wind turbine foundation that a kind of concrete caisson and jacket combine
CN203701139U (en) * 2014-01-24 2014-07-09 熊翱 Jacket with gravity type caisson base

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204282390U (en) * 2014-11-11 2015-04-22 熊翱 For the steel concrete-steel structure mixing gravity type foundation of offshore wind farm

Also Published As

Publication number Publication date
CN104389318A (en) 2015-03-04

Similar Documents

Publication Publication Date Title
CN104389318B (en) Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof
EP2837554A1 (en) Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method
CN103967031B (en) A kind of caisson of consolidated subsoil and stake combination foundation and construction method thereof
CN103469808B (en) The offshore wind turbine foundation that a kind of concrete caisson and jacket combine
CN204370469U (en) A kind of drilled pile long leg jacket offshore wind turbine foundation
CN202559368U (en) Subsidence-reducing pile structure of capped steel pipe of immersed tunnel
CN102296629B (en) Tower-drum structure suitable for ocean engineering and installation method thereof
CN204282390U (en) For the steel concrete-steel structure mixing gravity type foundation of offshore wind farm
CN203701127U (en) Underwater gravity type foundation
CN104314042B (en) Adopt the levee construction method of pile formula case barrel structure
CN205000355U (en) Box gravity type marine wind power foundation structure
CN203429648U (en) Large steel cylinder cofferdam structure
CN204608815U (en) Raft plate gravity offshore wind turbine foundation
CN102733407A (en) Two-ring grouted single pile foundation
CN103397650B (en) A kind of large-scale steel cylinder cofferdam structure
KR20120001384A (en) Method to construct monopile at the bottom of the sea for wind power generator
CN104652465A (en) Seaborne wind turbine generator caisson foundation structure and construction method thereof
CN102359117B (en) Concrete gravity type foundation applied to ocean engineering and installation method thereof
CN205152976U (en) Marine precast concrete cushion cap wind turbine foundation
CN201635072U (en) Centrally grouted static-pressured anchor pile former
CN203846518U (en) Sheet pile combination type cofferdam
CN106869138A (en) A kind of load retaining wall Retaining Structure with Double-row Piles and its foundation ditch excavation method
CN107059914A (en) A kind of ring-type for being used for shallow overburden or naked rock area in water is embedded to set basis
AU2012313196B2 (en) Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method
CN106638659A (en) Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant