CN110080269A - Anti- liquefaction assembled ocean suction type foundation structure and its construction method - Google Patents
Anti- liquefaction assembled ocean suction type foundation structure and its construction method Download PDFInfo
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- CN110080269A CN110080269A CN201910462807.XA CN201910462807A CN110080269A CN 110080269 A CN110080269 A CN 110080269A CN 201910462807 A CN201910462807 A CN 201910462807A CN 110080269 A CN110080269 A CN 110080269A
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- suction type
- type foundation
- foundation structure
- drum
- liquefaction
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/24—Foundations constructed by making use of diving-bells
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- General Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Mechanical Engineering (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of anti-liquefaction assembled ocean suction type foundation structure and its construction methods, including a first drum structure and several the second cylinder structures；The top and bottom of the first drum structure are open, bottom be it is pointed, top be equipped with a clamping groove；The top and bottom of the second drum structure are open, and bottom and top are equipped with a clamping groove, several the second drum structures are successively connected together up and down；First drum structure is located at the lowermost end of suction type foundation structure, and the bottom of the first drum structural top and the second drum structure for being located at bottom is connected together, and the second drum structure positioned at the top is connected with a circular steel plate；The damping unit for connecting adjacent cylinders structure is equipped in the clamping position of adjacent cylindrical structure.
Description
Technical field
The present invention relates to geotechnical engineerings, field of ocean engineering, especially on the liquefaction such as ocean soft clay or sand stratum
Marine mining platform is built, a kind of novel sea suction caisson foundation structure is provided.
Background technique
Here statement only provides background technique related to the present invention, without inevitably constituting the prior art.
Suction caisson foundation structure is a kind of open bottom end, the major diameter steel drum structure of upper end closed, has and makes
Valence is low, the advantages such as reusable, in deep water Offshore Platform Engineering using more and more.But inventor's discovery is due to sea
Foreign suction caisson foundation structural volume is huge, transports and installs and is relative complex；Meanwhile large volume suction caisson foundation structure
At the scene in installation process, it is lowered into sea bed in inside and outside differential pressure effect, due to sea-bed formations soft clay or sand inhomogeneities
Cause large volume caisson foundation structure memory to have air, is unable to satisfy caisset and all sinks to sea bed, cause suction type in this way
There are marginal security hidden danger for caisson foundation structure, easily cause upper ocean production platform to topple deformation, to jeopardize construction
Human life's safety and damage production equipment.In addition, the work progress of large volume suction caisson foundation structure needs to put into greatly
Manpower, equipment and the financial resources of amount, while also adding construction risk.At the same time, loose submarine soil layer often in earthquake or
Under the dynamic loadings such as person's wave, soil layer construction deformation occurs, the soil body partly or entirely loses intensity and bearing capacity, and liquid occurs
Change effect, and then the structures on ocean basis top is caused to generate strong differential settlement or even topple, cause significant damage.
Continuous to ocean petroleum developing with Chinese Sea resource, Conventional marine suction caisson foundation structure cannot be guaranteed
Marine resources fast and efficiently develop demand, this just constrains the development and application of suction caisson foundation structure.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of assembled ocean suction caisson suitable for stratum of liquefying
Foundation structure and its construction method, the structure can efficiently improve suction caisson foundation structure installation speed and applicable model
It encloses, reduces the unstable failure of suction caisson foundation structure, enduringly improves its self-stability energy, can effectively alleviate severe sea
Coupling between foreign environment and changeable sea-bed formations, the personnel during guaranteeing the construction of upper ocean production platform and runing
Safety and equipment operation.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of anti-liquefaction assembled ocean suction type foundation structure, including a first drum structure and several second circles
Barrel structure；The top and bottom of the first drum structure are open, bottom be it is pointed, top be equipped with a clamping groove；Institute
The top and bottom for the second drum structure stated are open, and bottom and top are equipped with a clamping groove, several second drums
Structure is connected after being successively connected together up and down with the first drum structure, and the first drum structure is located at lowermost end, the first drum
The bottom of structural top and the second drum structure for being located at bottom is connected together；
In the clamping position of adjacent cylindrical structure, equipped with the damping unit for connecting adjacent cylindrical structure.
As further technical solution, the damping unit includes hollow obturator, the water in the obturator
Flat to be equipped with a slide plate, the top of slide plate is connected by the first spring with the top of hollow obturator；The bottom of slide plate passes through the
Two springs are connected with the bottom of the hollow rectangle steel obturator, are additionally provided with a lower part in the slide plate bottom and connect
Bar, the lower coupling pole extend to outside hollow rectangle steel obturator；The lower coupling pole and hollow obturator point
It is not fixed on two connected cylindrical structures.
As further technical solution, multiple damping units, multiple damping units are equipped between adjacent cylindrical structure
Cylindrical structure is set externally and/or internally.
As further technical solution, the lower coupling pole of the damping unit and underlying cylindrical structure phase
Even；Hollow obturator is connected with the cylindrical structure being located above.
As further technical solution, the lower coupling pole of the damping unit and the cylinder knot being located above
Structure is connected；Hollow obturator is connected with underlying cylindrical structure.
As further technical solution, it is equipped with screw thread on the cell wall of the clamping groove, leads between adjacent cylinders structure
Screw thread is crossed to be spun on together.
As further technical solution, the lateral wall of the circular steel plate is equipped with screw thread, positioned at the of the top
Two drum structures are spun on together with a circular steel plate by screw thread.
The present invention also provides a kind of construction methods of anti-liquefaction assembled ocean suction type foundation structure；
Step 1, circular steel plate is mounted on first segment drum structural top, becomes a suction type foundation structure,
That is first segment suction type foundation structure；
Step 2, pressure difference is applied inside and outside first segment suction type foundation structure, and first segment suction type foundation structure is installed；
Step 3, first segment suction type foundation structure after the installation is completed, by circular steel plate and first segment drum structure point
From；
Step 4, circular steel plate is connected with the top of the second pitch circle barrel structure, forms the second section suction type foundation structure；
Step 5 applies pressure difference inside and outside the second section suction type foundation structure, by the second section suction type foundation structural base
It is connected with first segment suction type foundation structural top, the second section suction type foundation structure is installed；
Step 6 is in the second section suction type foundation structure and first segment suction type foundation structure link position installation damping dress
It sets；
Step 7 repeats step 4- step 6, installs the suction type foundation structure of other joint numbers, until reaching design requirement.
The working principle of this patent are as follows:
It is connected by circular steel plate with more piece drum structure, the small-sized caisson foundation structure of more piece is become, in interior external pressure
Sink to installing section by section under difference effect.This mode can effectively reduce drum structure sediment unevenness caused by uneven strata with
The problems such as there are air inside staving enduringly improves caisset foundation stability, efficiently reduces caisset in weakness
The buckling deformation on stratum；Also, original caisset length is reduced, certain flexibility is made it have, can effectively adapt to soft
The unfavorable geological conditions such as weak sea bed have controllability.At the same time, respectively pass through four dampings between section suction type foundation structure
Device is connected, and can effectively alleviate the coupling between rough seas and changeable sea-bed formations, ensures top
The stability and security of ocean workbench.
This patent has the beneficial effect that
It is connected by circular steel plate with more piece drum structure in the present invention, becomes the small-sized caisson foundation structure of more piece,
Sink to installing section by section under inside and outside differential pressure effect.It is heavy that this mode can effectively reduce drum structure caused by uneven strata
Drop unevenness and the problems such as there are air inside staving, caisset foundation stability is enduringly improved, caisson knot is efficiently reduced
Buckling deformation of the structure in soft stratum；Also, original caisset length is reduced, certain flexibility, Ke Yiyou are made it have
Effect adapts to the unfavorable geological conditions such as weak sea bed, has controllability.At the same time, respectively increase between section suction type foundation structure
Damping unit can effectively alleviate the coupling between rough seas and changeable sea-bed formations.
(2) in terms of caisson foundation structural stability: the scope of application of caisson foundation structure can be effectively improved, it is heavy to reduce
Box structure foundation instability destroys, enduringly improves its self-stability energy, the personnel safety during guaranteeing caisset construction and runing
And equipment operation.
(3) in terms of severe geological conditions adaptability: breaking too long, plastic deformation bad adaptability of original caisson foundation structure etc.
Deficiency makes it have certain flexibility, can effectively adapt to the unfavorable geological conditions such as weak sea bed, has controllability.
(4) construction aspect: suction caisson foundation as marine petroleum exploitation platform Deep Foundation Structure, construction technology at
It is ripe, convenient and efficient.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1, Fig. 2 are the schematic diagram of circular steel plate in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 3 is the skiagraph of first segment drum structure in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 4 is the skiagraph of other pitch circle barrel structures in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 5 is the schematic diagram of damping unit in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 6 is the skiagraph of damping unit in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 7 is the schematic diagram of damping unit installation site in anti-liquefaction assembled ocean suction caisson foundation structure.
Fig. 8 is the skiagraph of damping unit installation site in anti-liquefaction assembled ocean suction caisson foundation structure.
Wherein, unit: m；1, circular steel plate；2, first segment drum structure；3, the drum structure of other sections；4, damping slot；
5, upper springs；6, horizontal slide plate；7, lower springs；8, lower coupling pole；9, damping unit.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Term explains part: the terms such as term " installation ", " connected ", " connection ", " fixation " in the present invention should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, be also possible to
Electrical connection, can be and be directly connected to, and be also possible to indirectly connected through an intermediary, can be connection inside two elements, or
The interaction relationship of two elements of person, for the ordinary skill in the art, can understand as the case may be on
Term is stated in concrete meaning of the invention.
As background technique is introduced, deficiency exists in the prior art, in order to solve technical problem as above, the application
Propose one kind anti-liquefaction assembled ocean suction type foundation structure and its construction method；For this purpose, by fabricated construction theory with
A kind of novel suction caisson foundation structure of ocean suction caisson foundation structure composition, uses for reference the construction party of fabricated construction
Method proposes a kind of assembled ocean suction caisson foundation structure suitable for stratum of liquefying, underwater to meet ocean area
The construction and stabilization of structure.
In a kind of typical embodiment of the application, anti-liquefaction assembled ocean suction type foundation structure includes one the
One drum structure and several the second cylinder structures；The top and bottom of the first drum structure are open, and bottom is point
Shape, top are equipped with a clamping groove；The top and bottom of the second drum structure are open, and bottom and top are equipped with one
A clamping groove, several the second drum structures are successively connected together up and down；First drum structure is located at suction type foundation structure
Lowermost end, the first drum structural top and the bottom of the second drum structure for being located at bottom are connected together, are located at most upper
Second drum structure of side is connected with a circular steel plate；It is equipped in the clamping position of adjacent cylindrical structure adjacent for connecting
The damping unit of cylindrical structure；Specific structure is as follows:
As shown in Figure 1 and Figure 2, above-mentioned circular steel plate is having a size of can be diameter 9.9m, height 0.2m；Its diameter is smaller
In drum size, further, screw thread can also be set in the outer ring of circular steel plate；It is connected by screw thread with barrel top.
As shown in figure 3, the drum size of assembled ocean suction caisson foundation structure first segment can be diameter 10m,
Height 3m, thickness 0.05m；Its specific structure is that top and bottom are open, bottom be it is pointed, top is equipped with a clamping groove；
Screw thread is equipped on the side wall of the clamping groove；The pitch circle cylinder is located at the lowermost end of entire foundation structure, and bottom is designed to point
Shape is primarily to facilitate its installation on sea bed.
Above-mentioned clamping groove is arranged along the circumferencial direction of the drum, is an annular groove, is located at the side wall of drum
Inside.
Further, the inner sidewall of the annular groove is equipped with screw thread, is used for and circular steel plate or other pitch circle buckets
Connection.
As shown in figure 4, the drum of the other sections of assembled ocean suction caisson foundation structure is identical, specific size
For that can be designed to diameter 10m, height 3m, thickness 0.05m；Its specific structure is that the top and bottom of the drum structure are spacious
Mouthful, bottom and top are equipped with a clamping groove, several the second drum structures are successively connected together up and down；At the top of drum and
The clamping slot structure of bottom is identical, and position is different, and the clamping groove at top is located on the inside of barrel, and the clamping groove of bottom is located at outside barrel
Side is specifically shown in attached drawing；
Above-mentioned clamping groove is arranged along the circumferencial direction of the drum, is an annular groove.
Further, the inner sidewall of upper, annular slot is equipped with screw thread, for circular steel plate or other pitch circle buckets
Connection；The lateral wall of lower annular recess is equipped with screw thread, for the connection with other pitch circle buckets；
As shown in Figure 5, Figure 6, damping unit includes hollow obturator, horizontal in obturator to be equipped with a slide plate, slide plate
Top be connected with the top of hollow obturator by the first spring；The bottom of slide plate passes through second spring and the hollow square
The bottom of shape steel obturator is connected, and is additionally provided with a lower coupling pole, the lower coupling pole in the slide plate bottom
It extends to outside hollow rectangle steel obturator；The lower coupling pole is separately fixed at two circles being connected with hollow obturator
On barrel structure, specifically, the size in conjunction with attached drawing hollow rectangle steel obturator is that can be designed to length 20cm, width
10cm, thickness 10cm；Upper and lower two parts are divided by a horizontal slide plate inside it, wherein horizontal slide plate thickness can be
5cm；The top and bottom of horizontal slide plate pass through a spring and are connected with hollow rectangle steel obturator, horizontal slide plate bottom with
Lower coupling pole is welded into an entirety, and lower coupling pole extends to outside hollow rectangle steel obturator, and horizontal slide plate is under
Portion's connecting rod is flexible and slides up and down.
There are two types of modes for the specific mounting means of damping unit, and the first mounting means is: the lower coupling pole of damping unit
It is connected with underlying cylindrical structure, hollow obturator is connected with the cylindrical structure being located above；Second of mounting means is:
The lower coupling pole of the damping unit is connected with the cylindrical structure being located above；Hollow obturator with it is underlying
Cylindrical structure is connected.
In addition, in actual installation, adjacent circle lead between structure can only with one of mounting means above,
It can also use while use two kinds of above-mentioned mounting means.
Further, it can be respectively mounted above-mentioned damping unit on the inner and outer wall of cylindrical structure, be located at same position
Two damping units, one use the first above-mentioned mounting means, another use second above-mentioned of mounting means.
Further, multiple damping units can be set between two adjacent cylindrical structures, specific installation number can
To be selected according to the actual situation；8 dampings are provided between two cylindrical structures adjacent in the attached drawing of the present embodiment
Device, 4 are located on the outer wall of cylindrical structure, and 4 are located on the inner wall of cylindrical structure, and inside and outside damping unit is corresponding, peace
It fills contrary.It is connected between each section suction type foundation structure by four damping units, can effectively alleviates severe sea
Coupling between foreign environment and changeable sea-bed formations ensures the stability and security of upper ocean workbench.
It is as follows that the present embodiment additionally provides a kind of anti-liquefaction assembled ocean suction type foundation construction method:
(1) circular steel plate and drum structure fabrication
Diameter is 10m, is highly 3m, and the drum structure of thickness 0.05m is several；Diameter is 9.9m, is highly the circle of 0.2m
Shape steel plate, can be prefabricated in precast plant.
(2) first segment drum structure is installed
First segment drum structure is connect with circular steel plate, this section drum structure is lowered into sea bed using inside and outside differential pressure
It is interior, then sling circular steel plate.
(3) other drum structures are installed
Second pitch circle barrel structure is connected with first segment drum structural top, then by the second pitch circle barrel structure and circular steel plate
Connection slings circular steel plate using inside and outside differential pressure by this section drum structure sinking sea of faces's bed.Other each pitch circle barrel structure installations
Method is identical.To which composite assembly is at a complete suction type foundation structure.
(4) damping unit is installed
When upper and lower two pitch circles barrel structure is installed, it is respectively mounted damping unit inside and outside its interface staving, such as Fig. 7, Fig. 8 institute
Show.
The present invention is connected by circular steel plate with more piece drum structure, and the small-sized caisson foundation structure of more piece is become,
Sink to installing section by section under inside and outside differential pressure effect.This mode can effectively reduce drum structure sediment caused by uneven strata
The problems such as there are air inside uneven and staving enduringly improves caisset foundation stability, efficiently reduces caisset
In the buckling deformation of soft stratum；Also, original caisset length is reduced, certain flexibility is made it have, it can be effective
The unfavorable geological conditions such as weak sea bed are adapted to, there is controllability.At the same time, respectively pass through four between section suction type foundation structure
A damping unit is connected, and can effectively alleviate the coupling between rough seas and changeable sea-bed formations, protects
Hinder the stability and security of upper ocean workbench.
Although above-mentioned be described specific implementation of the patent mode in conjunction with attached drawing, not to scope of patent protection
Limitation, those skilled in the art should understand that, on the basis of the technical solution of this patent, those skilled in the art are not required to
Make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of anti-liquefaction assembled ocean suction type foundation structure, including a first drum structure and several the second cylinders
Structure；The top and bottom of the first drum structure are open, bottom be it is pointed, top be equipped with a clamping groove；It is described
The second drum structure top and bottom it is open, bottom and top are equipped with a clamping groove, if several second drums
Structure is connected after being successively connected together up and down with the first drum structure；First drum structure is located at suction type foundation structure most
The bottom of bottom end, the first drum structural top and the second drum structure for being located at bottom is connected together, positioned at the top
Second drum structure is connected with a circular steel plate；It is used for it is characterized in that, being equipped in the clamping position of adjacent cylindrical structure
Connect the damping unit of adjacent cylinders structure.
2. anti-liquefaction assembled ocean as described in claim 1 suction type foundation structure, which is characterized in that the damping dress
It sets including hollow obturator, horizontal in the obturator to be equipped with a slide plate, the top of slide plate passes through the first spring and sky
The top of heart obturator is connected；The bottom of slide plate passes through the bottom phase of second spring and the hollow rectangle steel obturator
Even, it is additionally provided with a lower coupling pole in the slide plate bottom, it is close that the lower coupling pole extends to hollow rectangle steel
Outside closure；The lower coupling pole is separately fixed on the cylindrical structure that two are connected with hollow obturator.
3. anti-liquefaction assembled ocean as claimed in claim 2 suction type foundation structure, which is characterized in that in adjacent cylinder
Multiple damping units are equipped between structure, cylindrical structure is arranged in externally and/or internally in multiple damping units.
4. anti-liquefaction assembled ocean as claimed in claim 2 suction type foundation structure, which is characterized in that the damping unit
Lower coupling pole be connected with underlying cylindrical structure；Hollow obturator is connected with the cylindrical structure being located above.
5. anti-liquefaction assembled ocean as claimed in claim 2 suction type foundation structure, which is characterized in that the resistance
The lower coupling pole of Buddhist nun's device is connected with the cylindrical structure being located above；Hollow obturator and underlying cylindrical structure phase
Even.
6. anti-liquefaction assembled ocean as described in claim 1 suction type foundation structure, which is characterized in that in the clamping groove
Cell wall be equipped with screw thread, be spun on together by screw thread between adjacent cylinders structure.
7. anti-liquefaction assembled ocean as described in claim 1 suction type foundation structure, which is characterized in that the circular steel
The lateral wall of plate is equipped with screw thread, and the second drum structure positioned at the top is spun on together with a circular steel plate by screw thread.
8. the construction method of anti-liquefaction assembled ocean suction type foundation structure as claimed in claim 1, feature
It is,
Step 1, circular steel plate is mounted on first segment drum structural top, becomes a suction type foundation structure, i.e.,
One section suction type foundation structure；
Step 2, pressure difference is applied inside and outside first segment suction type foundation structure, and first segment suction type foundation structure is installed；
Step 3, first segment suction type foundation structure after the installation is completed, circular steel plate is separated with first segment drum structure；
Step 4, circular steel plate is connected with the top of the second pitch circle barrel structure, forms the second section suction type foundation structure；
Step 5 applies pressure difference inside and outside the second section suction type foundation structure, by the second section suction type foundation structural base and the
One section suction type foundation structural top is connected, and installs the second section suction type foundation structure；
Step 6 installs damping unit in the second section suction type foundation structure and first segment suction type foundation structure link position；
Step 7 repeats step 4- step 6, installs the suction type foundation structure of other joint numbers, until reaching design requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462807.XA CN110080269B (en) | 2019-05-30 | 2019-05-30 | Liquefaction-resistant fabricated marine suction type foundation structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462807.XA CN110080269B (en) | 2019-05-30 | 2019-05-30 | Liquefaction-resistant fabricated marine suction type foundation structure and construction method thereof |
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| CN110080269A true CN110080269A (en) | 2019-08-02 |
| CN110080269B CN110080269B (en) | 2020-07-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170146A (en) * | 1998-12-09 | 2000-06-20 | Ohbayashi Corp | Construction of underwater structure |
| CN206245332U (en) * | 2016-12-13 | 2017-06-13 | 山东科技大学 | A kind of anti-rotating skirt-type suction basis |
| CN108677990A (en) * | 2018-07-26 | 2018-10-19 | 山东大学 | Assembled ocean suction caisson foundation structure and its construction method |
| CN208662170U (en) * | 2018-07-06 | 2019-03-29 | 湘潭市霞城电工有限公司 | A kind of copper extruder with shock-absorbing function |
-
2019
- 2019-05-30 CN CN201910462807.XA patent/CN110080269B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170146A (en) * | 1998-12-09 | 2000-06-20 | Ohbayashi Corp | Construction of underwater structure |
| CN206245332U (en) * | 2016-12-13 | 2017-06-13 | 山东科技大学 | A kind of anti-rotating skirt-type suction basis |
| CN208662170U (en) * | 2018-07-06 | 2019-03-29 | 湘潭市霞城电工有限公司 | A kind of copper extruder with shock-absorbing function |
| CN108677990A (en) * | 2018-07-26 | 2018-10-19 | 山东大学 | Assembled ocean suction caisson foundation structure and its construction method |
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| Publication number | Publication date |
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| CN110080269B (en) | 2020-07-17 |
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