CN104975590B - The vertical assembling technique waterborne of prestressed concrete fixed platform waterborne - Google Patents
The vertical assembling technique waterborne of prestressed concrete fixed platform waterborne Download PDFInfo
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- CN104975590B CN104975590B CN201410136982.7A CN201410136982A CN104975590B CN 104975590 B CN104975590 B CN 104975590B CN 201410136982 A CN201410136982 A CN 201410136982A CN 104975590 B CN104975590 B CN 104975590B
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 26
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 22
- 239000013535 sea water Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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Abstract
The present invention relates to the vertical assembling methods waterborne of a kind of prestressed concrete fixed platform waterborne, especially prestressed concrete ocean fixed platform, wherein fixed platform includes superstructure console module and hollow buoyancy tube module, method includes: the prefabricated superstructure console module of difference and hollow buoyancy tube module, is preset with assembled positioning tool therebetween；A. utilize marine transport by superstructure console module and the floating buoyancy tube modular transportation for moving tooling carrying to predetermined position waterborne；B. marine transport dive, so that the floating floating seabed that moves on to of tooling of moving is sat above pier, sinking is fixed on seabed and sits on pier；C. superstructure console module is lifted into buoyancy tube module while vertically ensures between the two be properly positioned via assembled positioning tool；D. concrete is infused, the integral reinforced concrete structure of fixed platform is formed.The invention further relates to the prestressed concrete fixed platform waterborne of use the method construction, especially prestressed concrete ocean fixed platforms.
Description
Technical field
The present invention relates generally to prestressed concrete fixed platform waterborne, especially prestressed concrete ocean fixed platforms
Vertical assembling technique waterborne.
Background technique
In general, ocean stationary applications platform such as offshore drilling platform mainly with steel frame construction construction at sea and
At.For anti-seawater corrosion ability is strong, capacity of anti-storm is high etc., factors consider, the prestressed concrete made of armored concrete
Ocean fixed platform will be to the existing advantageous substitution of ocean stationary applications platform.
With earth land resource continually develop and the continuous expansion of urban population, it is empty to expand human survival to ocean
Between have become the focus of new century human society.By taking the construction of marine man-made island as an example, consider to incite somebody to action for detail design
Man-made island is divided into multiple platform for lining, and multiple platform for lining are then grouped together into this man-made island again.Therefore, preceding
Prestressed concrete ocean fixed platform made of the armored concrete that face is previously mentioned is the platform for lining to form this man-made island
Optimal selection.
The offshore based installations construction of man-made island etc. proposes the design and construction of batch production, enlargement, mechanization
Principle.In general, it is 50 that the dimensions of prestressed concrete ocean fixed platform made of each this armored concrete is reachable
Rice × 50 meters.If in advance in land factory by fixed platform it is integral prefabricated it is good after move again to offshore installation construction, due to
The self weight of each fixed platform causes greatly corresponding construction, transportation cost to be difficult to be effectively reduced extremely, simultaneously because volume
It is huge also it is difficult to ensure that the safety of the operator during offshore construction.Therefore, how efficiently and safely and fast realize
The construction of such fixed platform becomes a urgent problem to be solved.
Summary of the invention
It is an object of the invention to propose a kind of prestressed concrete fixed platform, especially prestressed concrete ocean waterborne
The vertical assembling technique waterborne of fixed platform, so as to efficiently reduce the land formation of fixed platform and transportation cost, same
When reduce construction cost on the water.
According to an aspect of the invention, there is provided a kind of prestressed concrete fixed platform waterborne, especially prestressing force are mixed
The vertical assembling method waterborne of solidifying soil ocean fixed platform, wherein the fixed platform includes superstructure console module and is
The superstructure console module provides the hollow buoyancy tube module of bearing and part buoyancy, which comprises
On land, precasting yard distinguishes the prefabricated superstructure console module and the hollow buoyancy tube module, the two it
Between be preset with the assembled positioning tool being mutually located, the buoyancy tube module is removably carried by floating tooling of moving；
A. the buoyancy cylinder mould carried the superstructure console module and the floating shifting tooling using marine transport
Block transports predetermined position waterborne；
B. marine transport dive, so that the floating shifting tooling carries the buoyancy tube module, floating move on to is built in advance on the water
If armored concrete seabed sit above pier, then floating the shiftings tooling sink it is fixed be sitting in the seabed sit on pier simultaneously described in
It exposes the surface on the top of buoyancy tube module；
C. the superstructure console module is lifted into the buoyancy tube module while is vertically determined via the assembly
Position tooling ensures between the two be properly positioned；And
D. the joint between the superstructure console module and the buoyancy tube module is poured concrete, to coagulation
Soil forms the integral reinforced concrete structure of the fixed platform with the reinforcing bar reserved herein after solidifying.
Preferably, multiple bracket toolings, the floating shifting tooling energy are removably equipped on the floating top surface for moving tooling
Enough liftings, for leveling the superstructure console module after step c and before step d.
Preferably, before step a, the superstructure console module and the floating shifting that carry the buoyancy tube module
Tooling is respectively via in their bottom-supported translating trolleys and on the ground of land precasting yard and the deck of marine transport
Upper installation moves to the marine transport for guiding the translation track of the translating trolleys.
Preferably, after step d, the floating shifting tooling can float again, thus by the prestressing force after being integrally formed
Fixed platform, especially prestressed concrete ocean fixed platform float and move on to any other desired position on concrete water.
Preferably, the buoyancy tube module is at least four, is generally perpendicularly located at the floating shifting with the floating shifting tooling
The two sides of tooling.
Preferably, the joint between the buoyancy tube module of the superstructure console module is to receive described float
The hole on power cylinder mould block top, at the hole and buoyancy tube module top are reserved with reinforcing bar.
Preferably, the superstructure console module and the floating shifting tooling of the buoyancy tube module is carry in same sea
When transporting on foreign cargo ship, the floating shifting tooling that carry the buoyancy tube module is located at stern.
Preferably, the bottom end of the buoyancy tube module is taper.
Preferably, timberer's dress is at least eight, is evenly distributed on the floating top surface for moving tooling.
Preferably, the translating trolleys can be gone up and down, before from land to marine transport translation, the translating trolleys
It increases, moves to the ocean fortune in the superstructure console module and the floating shifting tooling that carry the buoyancy tube module
After defeated ship, the translating trolleys are reduced so that the superstructure console module and the floating shifting tooling are by marine transport
Support construction bearing, then the translating trolleys exit marine transport.
According to another aspect of the present invention, additionally provide it is a kind of using aforementioned vertical assembling method construction waterborne at
Prestressed concrete fixed platform waterborne, especially prestressed concrete ocean fixed platform.
Using technological means of the invention, prestressed concrete fixed platform waterborne, especially prestressed concrete ocean are solid
Fixed platform is prefabricated in land precasting yard in advance without entirety, reduces prestressed concrete fixed platform waterborne, especially prestressing force
The prefabricated cost of concrete ocean fixed platform modules, simultaneously because the volume and weight of modules and platform entirety phase
Than correspondingly reducing, the transportation cost of modules also further reduced, improve the safety of construction personnel.In addition, each
A modular transportation also correspondingly reduces construction cost waterborne to assembly is carried out again after waterborne.
Detailed description of the invention
From aftermentioned detailed description and aforementioned and other side of the invention will be more fully understood in conjunction with following attached drawing
Face.In the accompanying drawings:
Fig. 1 shows prestressed concrete according to the present invention fixed platform waterborne, especially prestressed concrete ocean is consolidated
The schematic plan that a part of fixed platform is translated in precasting yard integral assembling；
Fig. 2 shows schematic side elevations corresponding with Fig. 1；
Fig. 3 shows prestressed concrete according to the present invention fixed platform waterborne, especially prestressed concrete ocean is consolidated
The schematic plan that another part of fixed platform is translated in precasting yard integral assembling；
Fig. 4 shows schematic side elevation corresponding with Fig. 3；
After Fig. 5 those of shows a case that shown in Fig. 1 to 4 part translation to cargo ship；And
Fig. 6 diagrammatically illustrates prestressed concrete according to the present invention fixed platform waterborne, especially prestressed concrete
The afloat assembled process in those of ocean fixed platform part.
Specific embodiment
In each attached drawing of the application, structure is identical or intimate feature is indicated by the same numbers.
It will schematically but without limitation illustrate the sea according to prestressed concrete ocean fixed platform below this specification
Upper vertical assembling technique, it should be apparent that this ocean fixed platform is also possible to any large-scale boat structure facility, that is to say, that
Vertical assembling technique of the invention can be applied to the construction of any prestressed concrete fixed platform waterborne.
In addition, this specification is not related to, prestressed concrete is waterborne or the reinforcing bar of ocean fixed platform modules itself
Concrete-making process, those skilled in the art can be using any of armored concrete construction methods in land factory
The prefabricated place of concrete structure builds that this prestressed concrete is waterborne or each component part of ocean fixed platform.
For example, each prestressed concrete ocean fixed platform according to the present invention may include that armored concrete is prefabricated
A superstructure platform and the superstructure platform bottom be arranged it is multiple (only with 4 below this specification
For be illustrated) buoyancy tube.Superstructure platform plays the role of carrying platform, and buoyancy tube is the hollow of bottom end closure
Concrete prefabricated structure plays the role of providing a part of buoyancy and seabed bearing for the superstructure platform.It is described floating
The bottom end of power cylinder mould block is taper.For ease of manufacture, this super-huge concrete component is in a manner of sub-module on land
Precasting yard distinguishes prefabricated buoyancy tube module and superstructure console module.The area of superstructure platform is at least 50 meters × 50
Rice, substantially at least 8 to 10 meters of the diameter of buoyancy tube module.It can thus be seen that the prefabricated of this sub-module can reduce land
The difficulty of construction of ground precasting yard.
Illustrate each module composition of prestressed concrete ocean according to the present invention fixed platform referring to Fig. 1 to 4
Assembled translation motion of the part in land precasting yard.
It should be clear that the addressing of usually land factory can lean on inshore harbour, shorten as far as possible so pre- from concrete structure
Place processed is to the translation distance between ships that transport.Firstly, building translation basic construct object 7 in the prefabricated place of concrete structure.
The translation basic construct object 7 can be ground base structures or ground basic construct object, be constructed by armored concrete, from
The assembled station in the prefabricated place of concrete structure can be built always to the harbour of berthing marine ships that transport.
As shown in Figure 1, firstly, installing two translation tracks 1 in the ground base 7 in prefabricated place.Then, then this two
4 groups of translating trolleys 2 are installed on a translation track 1.As shown in Figure 1, ground base 7 can be above the ground level 8.For example, each translation
Two groups of translating trolleys 2 are installed on track 1.Translating trolleys 2 can be dedicated translating trolleys in super-huge component conveying field, main
It is used to carry the translation functions of overweight super large component realization in the horizontal plane.Translating trolleys 2 are equipped with hydraulic jacking device, are used for
Lifting is realized along the direction vertical with ground 8.Translation track 7 can be dedicated translation track in large-scale component transport field,
For cooperating with translating trolleys, guidance translating trolleys 2 are steadily mobile.For example, translation track 7 can be from concrete structure precasting yard
The stowed location in sea transport ship (not shown) is built always.
Then, a set of pre-fabricated floating shifting tooling 3 is lifted on translating trolleys 2 via large-scale hoisting facilities.
The floating basic structure for moving tooling 3 is similar with oceangoing ship partly latent (partly latent to refute), but does not have power drive.For example, floating move work
Dress may include multiple seawater ballast tanks, and each seawater ballast tank is connected by pipeline, controllably can selectively be filled by ballast pump
Seawater is unloaded to drift along to provide.Floating tooling of moving is generally rectangular component, and mooring gear is equipped at four angles, can be by towboat
At sea drag.Floating tooling of moving is mainly used for carrying the floating shifting across the sea of super-huge component.
It can be prefabricated with the position being connected with buoyancy tube modular structure, such as 4 in advance in the floating left and right sides for moving tooling 3
Buoyancy tube module fixing component 5.Buoyancy tube module fixing component 5 can be any machine that buoyancy tube module can be removedly fixed
Tool component, if buoyancy tube module and the assembly of superstructure console module formed after whole ocean fixed platform can be convenient from
Buoyancy tube is detached from.For example, buoyancy tube module fixing component 5 is the mechanical device equipped with hydraulic holding mechanism form, thus
Buoyancy tube can be temporarily gripped or discharged under hydraulic driving.
After floating shifting tooling 3 places in place on translating trolleys 2, utilize crane by 4 in the prefabricated place of concrete structure
A concrete prefabricated good buoyancy tube module 10 is lifted into the floating corresponding buoyancy tube module fixing component 5 for moving tooling 3.It is preferred that
Ground, in the process, the pre-placing cushion block 6 on ground 8, so that it is between lifted buoyancy tube module 10 and ground 8,
So that the top of buoyancy tube module adjusts level.Lifting the result is that 4 buoyancy tube modules and horizontal plane (i.e. ground 8) vertically
It is secured in position.
Then, the adjustable bracket tooling 4 of multiple lift in height then on the floating top surface for moving tooling 3 is installed.The timberer
Filling 4 is, for example, jack.One main function of bracket tooling 4 provisionally supports to be installed when being vertical assembled at sea in the future
Superstructure console module 9.When vertical assembled at sea, according to concrete prefabricated superstructure platform mould to be mounted
The requirement of block 9 adjusts each bracket tooling 4 suitably in the height direction to which the top formation one of bracket tooling 4 is consistent
The horizontal plane of top construction module is installed.
As shown in Fig. 2, the top preset in each buoyancy tube module 10 has marine vertical assembled positioning tool 20, for into
Row accepts the correspondence positioning tool of superstructure console module, the especially described superstructure console module when marine vertical assembled.
It is contemplated that this positioning tool can be complementary conical cylindrical structure, thus superstructure console module is put into buoyancy tube
When in module, the complementary shape of the two be may insure properly to just.It should be apparent to those skilled in the art that any may be implemented together
The structure of sample effect all can serve as positioning tool of the invention and use.Even positioning tool also can be with any suitable electronics
Or photoelectric positioning apparatus is realized, as long as accurately superstructure console module and each buoyancy tube module can be mutually located i.e.
It can.
Next, as shown in Figures 3 and 4,4 groups of translating trolleys 2 are installed on translation track 1.As shown in Figure 1, ground base 7 can
To be above the ground level 8.For example, installing two groups of translating trolleys 2 on each translation track 1.Then, it is being translated via large-scale hoisting facilities
Trolley 2, which is hung oneself, loads onto portion's structure platform module 9.Equally, it is preset on the superstructure console module 9 for vertical at sea
When assembled with the positioning tool 21 of buoyancy tube module relative positioning.It can be by putting down after superstructure console module 9 lifts in place
Shifting trolley 2 carries to be moved on translation track 1.
For buoyancy tube module 10 and the floating combination for moving tooling 3 as shown in Figure 2, for integral translation, starting is flat
The hydraulic jacking device for moving trolley 2 promotes buoyancy tube module 10 and the floating composite entity for moving tooling 3, thus 4 buoyancy tubes
Leave the cushion block 6 placed on ground 8 in bottom.Then, as illustrated by arrows 5, translating trolleys 2 can be on translation track 1
Make driven in translation, so that buoyancy tube module 10 and the floating composite entity translation for moving tooling 3 are up to the stacking on marine transport 30
Position.In a similar way, superstructure console module 9 as shown in Figure 4 also translates on translation track 1 until sea transport
Stowed location on ship 30.
It is flat when supporting station (not shown) can be set in above-mentioned stowed location, and the height of the supporting station slightly lower than enters
Move the height of trolley 2.In this way after translating trolleys 2 respectively reach respective stowed location, it is again started up the hydraulic of translating trolleys 2
Jacking apparatus reduces buoyancy tube module 10 and the floating composite entity for moving tooling 3, so that supporting station can support floating shifting respectively
Tooling 3 and superstructure console module 9, such translating trolleys 2 exit marine transport 30 and are reused for next module
Land assembly translation.
In the schematic diagram of Fig. 5, superstructure console module 9 is introduced into marine transport 30, buoyancy tube module 10 and floating
Enter marine transport 30 after moving the combination of tooling 3.
Marine transport 30 can carry superstructure console module 9 in the above described manner and buoyancy tube module 10 is transported to sea
On assembled prestressed concrete ocean according to the present invention fixed platform predetermined position.As shown in fig. 6, in pre-position
Can pier 40 be sat in the seabed that subsea construction builds an armored concrete in advance.The seabed sit pier 40 top surface it is flat and
Under water away from sea level a distance, and the height of seabed seat pier 40 is arranged to floating tooling of moving and is located on its top surface rear buoyancy tube
Seabed will not be contacted.After reaching predetermined position, marine transport 30 for example can be with dive, and shifting tooling 3 floating in this way can be with sea
Water contact provides buoyancy.Buoyancy tube module 10 itself also obtains a part of buoyancy with contact with sea water simultaneously.It moves tooling 3 floating and floats
In the case that the combination of power cylinder mould block 10 can float across the sea, using towboat by the combination from the rear portion of marine transport 30
It pulls out.As shown in fig. 6, floating shifting tooling 3 is dragged to the surface for sitting pier 40 in seabed.Then, the floating tooling 3 of moving of operation makes under it
The heavy planar top surface for sitting pier 40 with seabed contacts, in this way by making fixed rest upon of floating shifting tooling 3 on the seat pier 40 of seabed
Buoyancy tube module 10 in water fix by position, while the top of each buoyancy tube module 10 is exposed and away from water surface a distance.Then,
Superstructure console module 9 is lifted into above buoyancy tube module 3 from marine transport 30 using construction ship, is spelled via sea
Dress positioning tool 20,21 ensures to lift in place after relative position between the two accurately matches.Meanwhile via bracket tooling 4
It adjusts, it is ensured that superstructure console module 9 is leveled relative to floating shifting tooling 3.
Then, the joint between superstructure console module 9 and buoyancy tube module 10 is poured concrete, is solidifying
Reinforced concrete structure is formed with reinforcing bar pre-buried in advance afterwards, so that superstructure console module 9 and buoyancy tube module 10 are whole
Constitute prestressed concrete ocean according to the present invention fixed platform.So far, prestressed concrete sea according to the present invention is completed
The vertical assembling construction process in the sea of foreign fixed platform.
In Fig. 6, completed although prestressed concrete ocean according to the present invention fixed platform is vertically assembled,
Floating tooling 3 of moving can still carry the whole shifting floating at sea of prestressed concrete ocean fixed platform.In this case, example
Such as, floated by operating floating tooling 3 of moving, can carry entire prestressed concrete ocean fixed platform at sea float move on to it is other
Desired position.
Multiple seabeds can be built in advance in the proximate for needing to build man-made island and sit pier 40, then respectively in each sea
Bottom is sat on pier 40 and builds multiple prestressed concrete oceans fixed platform using above-mentioned marine vertical assembling technique assembly.According to applying
Work needs, and assembled good prestressed concrete ocean fixed platform is floated to the position for moving on to needs, buoyancy tube using floating shifting tooling 3
Module fixing component is opened, and is then made floating shifting tooling dive again, is exited prestressed concrete ocean fixed platform, pre- in this way
Prestressed concrete ocean fixed platform can be rested upon via buoyancy tube module in the scheduled position in seabed.By by multiple prestressing force
The construction positioning adjacent to each other in this way of concrete ocean fixed platform, can form the man-made island of arbitrary area size.
Using technological means of the invention, prestressed concrete ocean fixed platform is without whole in advance in land precasting yard
It is prefabricated, the prefabricated cost of prestressed concrete ocean fixed platform modules is reduced, simultaneously because the volume of modules
With weight with platform integrally compared with correspondingly reduce, also further reduced the transportation cost of modules, improve constructor
The safety of member.In addition, modules transport it is waterborne after carry out assembly again, also correspondingly reduce construction waterborne at
This.
Although only certain exemplary embodiments of this invention is described in detail here, they are used for the purpose of the purpose explained and give
Out, and it is not considered that they are construed as limiting the scope of the present invention.Without departing from the spirit and scope of the present invention, respectively
Kind replacement, change and transformation can be contemplated out.
Claims (12)
1. a kind of vertical assembling method waterborne of prestressed concrete fixed platform waterborne, wherein the fixed platform includes top
Structure platform module and the hollow buoyancy tube module of bearing and part buoyancy, institute are provided for the superstructure console module
The method of stating includes:
On land, precasting yard distinguishes the prefabricated superstructure console module and the hollow buoyancy tube module, pre- therebetween
Equipped with the assembled positioning tool being mutually located, the buoyancy tube module is removably carried by floating tooling of moving；
A. the superstructure console module and the floating buoyancy tube module for moving tooling carrying are transported using marine transport
It is defeated to arrive predetermined position waterborne；
B. marine transport dive, thus it is described it is floating move tooling and carry the buoyancy tube module and float to move on on the water build in advance
Armored concrete seabed is sat above pier, and then the floating shifting tooling, which sinks to fixing, is sitting on the seabed seat pier buoyancy simultaneously
It exposes the surface on the top of cylinder mould block；
C. the superstructure console module is lifted into the buoyancy tube module while vertically positions work via the assembly
Dress ensures between the two be properly positioned；And
D. the joint between the superstructure console module and the buoyancy tube module is poured concrete, solid to concrete
The integral reinforced concrete structure of the fixed platform is formed after change with the reinforcing bar reserved herein.
2. vertical assembling method waterborne according to claim 1, which is characterized in that can on the floating top surface for moving tooling
Multiple bracket toolings are releasably equipped with, the floating shifting tooling can be gone up and down, for leveling institute after step c and before step d
State superstructure console module.
3. according to any vertical assembling method waterborne of preceding claims, which is characterized in that described before step a
Superstructure console module and the floating shifting tooling of the buoyancy tube module is carry respectively via bottom-supported flat at them
It moves trolley and that installs on the ground of land precasting yard and the deck of marine transport is used to guide the translating trolleys
Translation track and move on the marine transport.
4. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that after step d, the floating shifting
Tooling can float again, move on to any other expectation so that the fixed platform waterborne of the prestressed concrete after being integrally formed be floated
Position.
5. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that the buoyancy tube module is at least
Four, generally perpendicularly it is located at the floating two sides for moving tooling with the floating tooling of moving.
6. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that the superstructure console module
The joint between the buoyancy tube module be the hole for receiving buoyancy tube module top, at the hole and the buoyancy
Cylinder mould block top is reserved with reinforcing bar.
7. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that the superstructure console module
And the floating shifting tooling that carry the buoyancy tube module carries the buoyancy cylinder mould when transporting on same marine transport
The floating shifting tooling of block is located at stern.
8. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that the bottom end of the buoyancy tube module
For taper.
9. vertical assembling method waterborne according to claim 3, which is characterized in that the translating trolleys can be gone up and down,
Before from land to marine transport translation, the translating trolleys are increased, and in the superstructure console module and carry
After the floating shifting tooling of the buoyancy tube module moves to the marine transport, the translating trolleys are reduced to which the top is tied
Structure console module and the floating tooling of moving are supported by the support construction on marine transport, and then the translating trolleys exit ocean
Cargo ship.
10. vertical assembling method waterborne according to claim 1 or 2, which is characterized in that the prestressed concrete is waterborne
Fixed platform is prestressed concrete ocean fixed platform.
11. it is a kind of using any vertical assembling method construction waterborne of claims 1 to 10 10 at prestressed concrete
Soil fixed platform waterborne.
12. prestressed concrete fixed platform waterborne according to claim 11, which is characterized in that it is prestressed concrete
Native ocean fixed platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410136982.7A CN104975590B (en) | 2014-04-04 | 2014-04-04 | The vertical assembling technique waterborne of prestressed concrete fixed platform waterborne |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410136982.7A CN104975590B (en) | 2014-04-04 | 2014-04-04 | The vertical assembling technique waterborne of prestressed concrete fixed platform waterborne |
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| CN108252286B (en) * | 2016-12-28 | 2021-06-01 | 广东海上城建控股发展有限公司 | Bottom-sitting type water platform and water transportation and installation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4422804A (en) * | 1981-12-10 | 1983-12-27 | Mobil Oil Corporation | Gravity base of offshore production platform with ice-pentrating peripheral nose sections |
| CN2752320Y (en) * | 2004-05-13 | 2006-01-18 | 天津市海王星海上工程技术有限公司 | Iceproof self-mounting barrel-type basic wellhead platform |
| TR200505181A2 (en) * | 2005-12-23 | 2007-07-23 | �Nce Alpay | Stationary structuring platform above water |
| CN101858067B (en) * | 2010-06-21 | 2011-08-31 | 中交一航局第二工程有限公司 | Process for vertically prefabricating, turning, centering and installing semi-circle body on water |
| CN103010415B (en) * | 2011-09-22 | 2015-08-19 | 江门强光海洋工程股份有限公司 | Support the prestressed concrete floating platform of offshore wind turbine and ocean power generator |
| CN103255752B (en) * | 2012-02-16 | 2016-03-30 | 珠海强光海洋工程有限公司 | Support the buoyant support fixed platform of offshore wind turbine, marine works |
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