CN102286987B - Gravity-type foundation structure for maritime equipment engineering and construction method thereof - Google Patents

Gravity-type foundation structure for maritime equipment engineering and construction method thereof Download PDF

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Publication number
CN102286987B
CN102286987B CN 201110186278 CN201110186278A CN102286987B CN 102286987 B CN102286987 B CN 102286987B CN 201110186278 CN201110186278 CN 201110186278 CN 201110186278 A CN201110186278 A CN 201110186278A CN 102286987 B CN102286987 B CN 102286987B
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CN
China
Prior art keywords
cylindrical shell
foundation
type foundation
gravity type
basic
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CN 201110186278
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Chinese (zh)
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CN102286987A (en
Inventor
丁红岩
张浦阳
练继建
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天津大学
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Priority to CN 201110186278 priority Critical patent/CN102286987B/en
Publication of CN102286987A publication Critical patent/CN102286987A/en
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Publication of CN102286987B publication Critical patent/CN102286987B/en

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Abstract

The invention discloses a gravity-type foundation structure for maritime equipment engineering. The gravity-type foundation structure for the maritime equipment engineering comprises a foundation base, a foundation tube and a self-floating sinking tube, wherein the foundation base consists of a beam frame and a base board; the foundation tube has a prestressed concrete conical tubular structure and comprises a tube wall, a tube opening and a tube bottom; the tube opening is provided with a fixing plate for installing maritime equipment; the self-floating sinking tube has a reverse conical tubular structure and is sleeved on the upper part of the foundation tube; the bottom opening of the self-floating sinking tube is in sealed connection with the tube wall of the foundation tube; a tube cap and a supporting beam are arranged on the top of the self-floating sinking tube; a feeding port is formed in the tube cap; and the self-floating sinking tube and the foundation tube are connected integrally through the bottom opening of the self-floating sinking tube and the supporting beam. The gravity-type foundation structure for the maritime equipment engineering has the advantages that: the gravity-type foundation structure can be towed and sunk in a self-floating way; in the sinking process, large equipment is not required; the gravity-type foundation structure is easy and quick to construct; required construction equipment is reduced and expensive large waterborne field construction equipment is not required; and the construction cost is low and the comprehensive cost is low.

Description

A kind of gravity type foundation structure and job practices for marine New Equipment Engineering
Technical field
The present invention relates to the infrastructure technologies field in harbour, ocean, water conservancy and the bridge engineering, relate in particular to a kind of gravity type foundation structure and job practices for marine New Equipment Engineering.
Background technology
At present, at sea in New Equipment Engineering such as the offshore wind farm engineering, foundation structure generally includes: single pile (Mono-pile), tripod (Tripod), jacket-type basis (Jacket), gravity foundation (Gravity based), negative pressure bucket base (Suction Bucket) and floating platform structure (Floating type) etc. are several.These bases usually need large-scale equipment to transport and install, and cause when constructing in the marine site expense very high.
Summary of the invention
The objective of the invention is for above-mentioned existing problems, a kind of gravity type foundation structure and job practices for marine New Equipment Engineering is provided, but this basis self-floating towing and sinking, and can obviously reduce the construction cost on basis.
Technical scheme of the present invention:
A kind of gravity type foundation structure for marine New Equipment Engineering, comprise sole plate, basic cylindrical shell and certainly drift along and put cylindrical shell, sole plate is comprised of roof beam structure and base plate, the structural member that roof beam structure is served as reasons Zhou Bianliang and formed from the bar beam of the uniform radiation of middle mind-set periphery beam, the centre of roof beam structure be provided with the annular tie-beam and with the bar beam one of roof beam structure; The basis cylindrical shell is the prestressed concrete circular cone cylindrical structure of hollow, the basis cylindrical shell comprises barrel, nozzle and the cylinder end, be evenly equipped with the reinforcing bar of pre-tensile stress in the barrel, nozzle is provided with for the fixed head that marine equipment is installed, and basic cylindrical shell is connected and fixed with the annular tie-beam of sole plate roof beam structure at the bottom of by cylinder sole plate and basic cylindrical shell are connected; Putting cylindrical shell from drifting along is the inverted cone cylindrical structure of hollow, put from drifting along that barrel jacket is loaded on the top of basic cylindrical shell and the barrel of end mouth and basic cylindrical shell is tightly connected, and the center line of the taper cone barrel of the center line of the inverted cone cylinder of putting cylindrical shell of certainly drifting along and basic cylindrical shell is same vertical line, put the cylindrical shell top from drifting along and be provided with cover and brace summer, cover is provided with charge door, the brace summer level is positioned at from drifting along puts the top of cylindrical shell, the barrel of one end and basic cylindrical shell is fixed, the uniform radiation of barrel that the other end is put cylindrical shell from middle mind-set periphery from drifting along is also fixing, the end mouth of putting cylindrical shell by certainly drifting along and brace summer make from drifting along and put cylindrical shell and be connected with basic cylindrical shell, the height of the putting cylindrical shell depth of water greater than gravity type foundation use waters of certainly drifting along.
Described roof beam structure is circle or the equilateral concrete structure of 4-16, steel work or its combining structure.
The height of described basic cylindrical shell is its base diameter and top diameter difference 0.5-1.5 times.
It is described that to put cylindrical shell be steel work, reinforced concrete structure, prestressed reinforced concrete construction or its combining structure from drifting along.
The described cylindrical shell of putting from drifting along is for prefabricated or prefabricated with basic cylindrical shell separately.
A kind of job practices of described gravity type foundation structure for marine New Equipment Engineering may further comprise the steps:
1) prefabricated foundation cylindrical shell and certainly drift along and put cylindrical shell is assembled into the gravity type foundation structure;
2) utilize loop wheel machine or slideway that the gravity type foundation structure is moved in the water, by basic cylindrical shell and the cavity of putting cylindrical shell that certainly drifts along provide buoyancy that its overall structure is swum on the water surface;
3) utilize tugboat that the gravity type foundation structure is dragged to and specify the job location;
4) by the cavity water filling of basic cylindrical shell nozzle to basic cylindrical shell circular cone cartridge type, make it slowly heavy to the mud face, and the floating stability when putting cylindrical shell by certainly drifting along and keeping the foundation structure sedimentation;
5) gravity type foundation structure sinking in place after, by the nozzle of basic cylindrical shell and certainly drift along put the cylindrical shell cover charge door respectively to basic cylindrical shell and the cavity of putting cylindrical shell that certainly drifts along throw in ballast;
6) after the gravity type foundation structure installs, by the fixed head of basic cylindrical shell nozzle marine equipment is installed.
Described ballast is fine sand, rubble or cement mortar.
Advantage and good effect that the present invention has are: but this gravity type foundation structure self-floating towing and sinking, whole sinking process does not need main equipment, this gravity type foundation structure construction is simple, quick, required construction equipment seldom, avoided expensive site operation equipment large-scale waterborne, construction cost is low, comprehensive cost is low.
Description of drawings
Fig. 1 is this gravity type foundation structural representation.
Fig. 2 is this gravity type foundation structure top view.
Fig. 3 is this gravity type foundation architecture basics understructure top view.
Among the figure: 1. sole plate 2. basic cylindrical shells 3. are put cylindrical shell 4. roof beams structure 5. base plates from drifting along
6. 10. fixed heads, 11. covers at the bottom of 9. of annular junction plate 7. barrels 8. nozzles
12. brace summer 13. charge doors.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows.
A kind of gravity type foundation structure for the offshore wind farm New Equipment Engineering, comprise sole plate 1, basic cylindrical shell 2 and certainly drift along and put cylindrical shell 3, sole plate 1 is comprised of roof beam structure 4 and base plate 5, the structural member that roof beam structure 4 is served as reasons Zhou Bianliang and formed from the bar beam of the uniform radiation of middle mind-set periphery beam, the centre of roof beam structure 4 be provided with annular tie-beam 6 and with the bar beam one of roof beam structure 4; Basis cylindrical shell 2 is the prestressed concrete circular cone cylindrical structure of hollow, basis cylindrical shell 2 comprises barrel 7, nozzle 8 and the cylinder end 9, be evenly equipped with the reinforcing bar of pre-tensile stress in the barrel 7, nozzle 8 is provided with for the fixed head 10 that marine equipment is installed, and basic cylindrical shell 2 is by 9 being connected and fixed with the annular tie-beam 6 of sole plate roof beam structure sole plate 1 and basic cylindrical shell 2 are connected at the bottom of the cylinder; Put cylindrical shell 3 from drifting along and be the inverted cone cylindrical structure of hollow, put from drifting along that cylindrical shell 3 is set in the top of basic cylindrical shell 2 and the barrel of end mouth and basic cylindrical shell is tightly connected, and the center line of the taper cone barrel of the center line of the inverted cone cylinder of putting cylindrical shell 3 of certainly drifting along and basic cylindrical shell 2 is same vertical line, put cylindrical shell 3 tops from drifting along and be provided with cover 11 and brace summer 12, cover 11 is provided with charge door 13, brace summer 12 levels are positioned at from drifting along puts the top of cylindrical shell 3, the barrel of one end and basic cylindrical shell 2 is fixed, the uniform radiation of barrel that the other end is put cylindrical shell 3 from middle mind-set periphery from drifting along is also fixing, the end mouth of putting cylindrical shell 3 by certainly drifting along and brace summer 12 make from drifting along and put cylindrical shell 3 and be connected with basic cylindrical shell 2, the height of putting cylindrical shell 3 depth of water greater than gravity type foundation use waters of certainly drifting along.
Among this embodiment, the attach most importance to circular concrete structure of 400t, diameter 35m of sole plate, the bar beam is of a size of high 900mm, wide 700mm by the bar beam of radiation around the middle mind-set to be provided with eight in the roof beam structure, and the annular tie-beam in the middle of the roof beam structure is of a size of diameter 30m, high 900mm, wide 1200mm; The nozzle diameter of the basic cylindrical shell of circular cone cylindrical structure is that 6m, cylinder end diameter are 30m, highly are 20m, and barrel is thick to be 400mm, uniform 20 pre-tensile stress reinforcing bars in the barrel; Putting cylindrical shell from drifting along is reinforced concrete structure, the nozzle diameter that certainly the drifting along of inverted cone cylindrical structure put cylindrical shell is that 20m, a cylinder end diameter are 10m, highly are 10m, barrel is thick to be 400mm, the cover diameter is 20m, the charge door diameter of cover is 0.5m, the top is eight by the brace summer of radiation around the middle mind-set, and brace summer is of a size of high 900mm, wide 700mm.
The job practices of this gravity type foundation structure may further comprise the steps:
1) prefabricated foundation cylindrical shell and certainly drift along and put cylindrical shell on land is assembled into the gravity type foundation structure;
2) the gravity type foundation structure is hung in the water with loop wheel machine, overall structure is kept afloat;
3) by tugboat the gravity type foundation structure is dragged to the appointment job location;
4) by the cavity water filling of basic cylindrical shell nozzle to basic cylindrical shell circular cone cartridge type, make it slowly heavy to the mud face, and the floating stability when putting cylindrical shell by certainly drifting along and keeping the foundation structure sedimentation;
5) gravity type foundation structure sinking in place after, by the nozzle of basic cylindrical shell and certainly drift along put the cylindrical shell cover charge door respectively to basic cylindrical shell and the cavity of putting cylindrical shell that certainly drifts along throw in the ballast cement mortar;
6) after the gravity type foundation structure installs, by the fixed head of basic cylindrical shell nozzle the offshore wind farm equipment is installed.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.

Claims (7)

1. gravity type foundation structure that is used for marine New Equipment Engineering, it is characterized in that: comprise sole plate, basic cylindrical shell and certainly drift along and put cylindrical shell, sole plate is comprised of roof beam structure and base plate, the structural member that roof beam structure is served as reasons Zhou Bianliang and formed from the bar beam of the uniform radiation of middle mind-set periphery beam, the centre of roof beam structure be provided with the annular tie-beam and with the bar beam one of roof beam structure; The basis cylindrical shell is the prestressed concrete circular cone cylindrical structure of hollow, the basis cylindrical shell comprises barrel, nozzle and the cylinder end, be evenly equipped with the reinforcing bar of pre-tensile stress in the barrel, nozzle is provided with for the fixed head that marine equipment is installed, and basic cylindrical shell is connected and fixed with the annular tie-beam of sole plate roof beam structure at the bottom of by cylinder sole plate and basic cylindrical shell are connected; Putting cylindrical shell from drifting along is the inverted cone cylindrical structure of hollow, put from drifting along that barrel jacket is loaded on the top of basic cylindrical shell and the barrel of end mouth and basic cylindrical shell is tightly connected, and the center line of the taper cone barrel of the center line of the inverted cone cylinder of putting cylindrical shell of certainly drifting along and basic cylindrical shell is same vertical line, put the cylindrical shell top from drifting along and be provided with cover and brace summer, cover is provided with charge door, the brace summer level is positioned at from drifting along puts the top of cylindrical shell, the barrel of one end and basic cylindrical shell is fixed, the uniform radiation of barrel that the other end is put cylindrical shell from middle mind-set periphery from drifting along is also fixing, the end mouth of putting cylindrical shell by certainly drifting along and brace summer make from drifting along and put cylindrical shell and be connected with basic cylindrical shell, the height of the putting cylindrical shell depth of water greater than gravity type foundation use waters of certainly drifting along.
2. described gravity type foundation structure for marine New Equipment Engineering according to claim 1, it is characterized in that: described roof beam structure is circle or the equilateral concrete structure of 4-16, steel work or its combining structure.
3. described gravity type foundation structure for marine New Equipment Engineering according to claim 1 is characterized in that: the height of described basic cylindrical shell is with the top diameter difference 0.5-1.5 times of its base diameter.
4. described gravity type foundation structure for marine New Equipment Engineering according to claim 1 is characterized in that: described to put cylindrical shell from drifting along be steel work, reinforced concrete structure, prestressed reinforced concrete construction or its combining structure.
5. described gravity type foundation structure for marine New Equipment Engineering according to claim 1, it is characterized in that: the described cylindrical shell of putting from drifting along is for prefabricated or prefabricated with basic cylindrical shell separately.
6. job practices that is used for as claimed in claim 1 the gravity type foundation structure of marine New Equipment Engineering is characterized in that may further comprise the steps:
1) prefabricated foundation cylindrical shell and certainly drift along and put cylindrical shell is assembled into the gravity type foundation structure;
2) utilize loop wheel machine or slideway that the gravity type foundation structure is moved in the water, by basic cylindrical shell and the cavity of putting cylindrical shell that certainly drifts along provide buoyancy that its overall structure is swum on the water surface;
3) utilize tugboat that the gravity type foundation structure is dragged to and specify the job location;
4) by the cavity water filling of basic cylindrical shell nozzle to basic cylindrical shell circular cone cartridge type, make it slowly heavy to the mud face, and the floating stability when putting cylindrical shell by certainly drifting along and keeping the foundation structure sedimentation;
5) gravity type foundation structure sinking in place after, by the nozzle of basic cylindrical shell and certainly drift along put the cylindrical shell cover charge door respectively to basic cylindrical shell and the cavity of putting cylindrical shell that certainly drifts along throw in ballast;
6) after the gravity type foundation structure installs, by the fixed head of basic cylindrical shell nozzle marine equipment is installed.
7. the job practices of described gravity type foundation structure for marine New Equipment Engineering according to claim 6, it is characterized in that: described ballast is fine sand, rubble or cement mortar.
CN 201110186278 2011-07-05 2011-07-05 Gravity-type foundation structure for maritime equipment engineering and construction method thereof CN102286987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110186278 CN102286987B (en) 2011-07-05 2011-07-05 Gravity-type foundation structure for maritime equipment engineering and construction method thereof

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Application Number Priority Date Filing Date Title
CN 201110186278 CN102286987B (en) 2011-07-05 2011-07-05 Gravity-type foundation structure for maritime equipment engineering and construction method thereof

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Publication number Priority date Publication date Assignee Title
GB2501123B (en) * 2012-04-13 2014-09-10 Laing O Rourke Plc Foundation structures
CN103590417B (en) * 2012-08-13 2016-03-30 上海勘测设计研究院 The blower foundation of build-in in rock foundation
CN102877482A (en) * 2012-09-11 2013-01-16 天津大学 Gravity type foundation structure and construction method thereof
CN103114568A (en) * 2013-03-17 2013-05-22 浙江海洋学院 Building supporting equipment applied to oceanographic engineering
CN103174150B (en) * 2013-03-28 2015-03-18 天津大学 Gravity type foundation sinking device and application method thereof
CN103758148A (en) * 2014-02-13 2014-04-30 天津大学前沿技术研究院有限公司 Gravity type offshore wind power foundation capable of towing in self-floating mode and construction method thereof
CN105756081B (en) * 2016-05-05 2017-11-24 江苏金海新能源科技有限公司 Self-locking head prestress wire round platform concrete cylinder offshore wind turbine foundation and its construction method
ES2617991B1 (en) * 2017-02-14 2018-03-27 Berenguer Ingenieros S.L. MARITIME STRUCTURE FOR THE FOUNDATION BY GRAVITY OF BUILDINGS, FACILITIES AND AEROGENERATORS IN THE MARINE ENVIRONMENT

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JP4401703B2 (en) * 2003-08-27 2010-01-20 三井造船株式会社 Installation method of offshore wind turbine generator
DE102009014920A1 (en) * 2009-03-25 2010-09-30 Tiefbau Gmbh Unterweser Foundation body, in particular for an offshore wind turbine
CN101666101B (en) * 2009-09-29 2011-08-03 道达(上海)风电投资有限公司 Movable prefabricated multi-barrel type gravity mixed foundation
CN101748748B (en) * 2010-01-21 2011-09-14 道达(上海)风电投资有限公司 Air flotation towing method of bucket foundation with inbuilt float bowl

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