CN204551518U - The wide shallow bucket negative pressure stake combination foundation of major diameter - Google Patents
The wide shallow bucket negative pressure stake combination foundation of major diameter Download PDFInfo
- Publication number
- CN204551518U CN204551518U CN201520002687.2U CN201520002687U CN204551518U CN 204551518 U CN204551518 U CN 204551518U CN 201520002687 U CN201520002687 U CN 201520002687U CN 204551518 U CN204551518 U CN 204551518U
- Authority
- CN
- China
- Prior art keywords
- stake
- negative pressure
- major diameter
- wide shallow
- bucket
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0078—Suction piles, suction cans
Landscapes
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The utility model discloses the wide shallow bucket negative pressure stake combination foundation of a kind of major diameter, it comprises the wide shallow bucket of major diameter and negative pressure stake, the wide shallow bucket of major diameter comprises ladle body and is arranged on the top board at ladle body top, top board is passed by negative pressure stake, the top board of the wide shallow bucket of major diameter is exposed on negative pressure stake top, lower than the ladle body bottom of the wide shallow bucket of major diameter bottom negative pressure stake; Negative pressure stake is through setting, and negative pressure stake top is provided with stake lid, and stake covers and is provided with water pump.The utility model is by sinking of drawing water to negative pressure stake, the wide shallow bucket of major diameter is driven jointly to sink to sea bed, ensure that the accurate sinking of the wide shallow bucket of major diameter, and avoid at the wide shallow bucket inside formation soil plug of major diameter, to strengthen soil rigidity, drive the inner soil body of the wide shallow bucket of major diameter jointly stressed by arranging junction plate and stake bucket junction plate between stake in the wide shallow bucket inside of major diameter.
Description
Technical field
The utility model relates to a kind of marine structure basis, refers to the wide shallow bucket negative pressure stake combination foundation of a kind of major diameter particularly.
Background technology
The wide shallow barrel structure of major diameter is as a kind of novel ocean structure base form, be widely used in offshore wind farm unit and oil platform at present, it relies on deadweight to sink to mud face certain depth, barrel cavity and mud face is made to form a confined space, then to formation negative pressure of drawing water in this confined space, structural entity is realized.The wide shallow barrel structure of major diameter has quick construction, and horizontal bearing capacity is good, the advantage such as can to reuse, but it also has the deficiency of self:
First, the wide shallow bucket of major diameter because the form of structure of its thin-walled hollow bucket, its deficiency of conducting oneself with dignity, usually inadequate at sinking starting stage driving depth under Gravitative Loads, and because soil body area is excessive in bucket, cannot form good confined space, this will have a strong impact on the follow-up suction penetration that draws water; The second, the wide shallow bucket of major diameter, because staving diameter is large, is difficult to form effective constraint to the soil body in bucket, drives the soil body in bucket to form Mass Sources, thus makes the globality on basis difference stability bad, and vertical bearing capacity is not enough; 3rd, the wide shallow barrel structure of major diameter, because single chamber structure and single pumping system, cannot effectively be rectified a deviation at the sinking initial stage, once basis offsets in deadweight sinking process, sinking again of just can only slinging, which results in the increase of construction risk; 4th, the negative pressure construction method that the wide shallow bucket of major diameter adopts is inevitable must form inner uplift of soil, i.e. soil plug phenomenon, and this phenomenon will cause structure sinking to put in place, not reach design supporting capacity; 5th, the wide shallow bucket bucket wall rigidity of major diameter is little, and enter the mud starting stage in the swing of wave current effect lower barrel body in sinking process, bucket wall is easy to collide with bedding be out of shape.These problems have all had a strong impact on development and the popularization of the wide shallow barrel structure of major diameter above.
Compared with the wide shallow bucket of major diameter, negative pressure stake has good vertical bearing capacity, is widely used in marine structure, as tension leg platform (TLP) basis, floating oil platform anchoring system etc.But because the form of structure of negative pressure stake elongate rod, its Its ultimate bearing capacity is weak, and because negative pressure stake bears external loads separately, be difficult to effectively connect at deep water sea area, become multi-column pier foundation jointly stressed, this makes negative pressure stake cannot meet the demand of Large Offshore Structures to foundation bearing capacity.
Therefore, need improve prior art.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides a kind of major diameter wide shallow bucket negative pressure stake combination foundation, using the deep water sea area works base form as bad environments.
The technical solution of the utility model is: the wide shallow bucket negative pressure stake combination foundation of a kind of major diameter, it is characterized in that: it comprises the wide shallow bucket of major diameter and negative pressure stake, the wide shallow bucket of described major diameter comprises ladle body and is arranged on the top board at ladle body top, described top board is passed by negative pressure stake, the top board of the wide shallow bucket of described major diameter is exposed on described negative pressure stake top, lower than the ladle body bottom of the wide shallow bucket of described major diameter bottom described negative pressure stake; Described negative pressure stake is through setting, and described negative pressure stake top is provided with stake lid, and described stake covers and is provided with water pump.
In such scheme:
Inner at the wide shallow bucket of described major diameter, connected by junction plate between stake between each negative pressure stake, be connected by stake bucket junction plate between each negative pressure stake with ladle body inwall.
Between described stake, junction plate and stake bucket junction plate are vertically arranged, and its height is consistent with ladle body height, and between described stake, junction plate is all connected with top board with stake bucket junction plate top.
The top board at the wide shallow bucket top of described major diameter is provided with multiple aqueous vapor hole run through, and aqueous vapor hole described in each is each chamber of being divided into by junction plate between described stake and stake bucket junction plate of the wide shallow bucket of corresponding described major diameter respectively.
Described negative pressure pile length is identical, and described negative pressure stake is evenly arranged around the wide shallow bucket top board central point of described major diameter.
The utility model is by sinking of drawing water to negative pressure stake, the wide shallow bucket of major diameter is driven jointly to sink to sea bed, ensure that the accurate sinking of the wide shallow bucket of major diameter, and avoid at the wide shallow bucket inside formation soil plug of major diameter, to strengthen soil rigidity, drive the inner soil body of the wide shallow bucket of major diameter jointly stressed by arranging junction plate and stake bucket junction plate between stake in the wide shallow bucket inside of major diameter.
The utility model bearing capacity is high, and globality is strong, good stability, and construction risk is little, is suitable for the marine anchorage structures as deep water sea area Large Offshore Structures basis and anchoring system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the sectional drawing at A-A place in Fig. 1;
Fig. 4 is the section at B-B place in Fig. 2;
Fig. 5 is that the utility model negative pressure stake end is from reentry mud stage schematic diagram;
Fig. 6 is that the wide shallow bucket of the utility model major diameter enters mud stage schematic diagram;
Fig. 7 is that the utility model completes the rear schematic diagram of suction penetration construction.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1 and Fig. 2, the wide shallow bucket negative pressure stake combination foundation of a kind of major diameter of the present embodiment, it comprises the wide shallow bucket 1 of major diameter and negative pressure stake 2, the wide shallow bucket 1 of major diameter comprises ladle body 11 and is arranged on the top board 12 at ladle body 11 top, top board 12 is passed by the negative pressure stake 2 of four through settings, four negative pressure stake 2 length in the present embodiment are identical, be evenly arranged around the wide shallow bucket 1 top board central point of major diameter, the top board 12 of the wide shallow bucket 1 of major diameter is exposed on negative pressure stake 2 top, lower than the ladle body bottom of the wide shallow bucket 1 of major diameter bottom negative pressure stake 2, to ensure that first negative pressure stake 2 contacts mud face; In addition, negative pressure stake 2 top is provided with stake lid 6, and stake lid 6 is provided with water pump 5, can extract the inner water body of negative pressure stake 2 out, forms negative pressure.
With reference to figure 2 and Fig. 3, the wide shallow bucket 1 of major diameter is divided into 9 chambers by junction plate between stake 3 and stake bucket junction plate 4, and the top board 12 that each chamber is corresponding all offers an aqueous vapor hole 13.
With reference to figure 3 and Fig. 4, inner at the wide shallow bucket 1 of major diameter, connected by junction plate between stake 3 between each negative pressure stake 2, be connected by stake bucket junction plate 4 between each negative pressure stake 2 with ladle body 11 inwall, between stake, junction plate 3 and stake bucket junction plate 4 are vertically arranged, its height is highly consistent with ladle body 11, and between stake, junction plate 3 is all connected with top board 12 with stake bucket junction plate 4 top.
Four negative pressure stake 2 length in the present embodiment are identical, are evenly arranged around the wide shallow bucket 1 top board central point of major diameter.
The operating principle of the present embodiment is:
With reference to figure 5, first the wide shallow bucket negative pressure stake combination foundation transportation by driving of the major diameter completed by land fabrication is to sinking waters, lifted by crane barge, basis is made to be lowered into sea bed at Gravitative Loads, now, first negative pressure stake 2 contacts sea bed under Gravitative Loads, and sinks to sea bed certain depth, defines confined space between negative pressure stake 2 pile body inner chamber and sea bed; Then extract the inner water body of negative pressure stake 1 by the water pump 5 in each negative pressure stake 2, produce vertical negative pressure, this negative pressure makes immerge, and by adopt the different speed of drawing water to adjust to each negative pressure stake 2 form that sea bed is sunk on basis, optimized integration is rectified a deviation.
With reference to figure 6, the sinking along with negative pressure stake 2 drives the wide shallow bucket 1 of major diameter to sink to sea bed, and in the process, the aqueous vapor of wide shallow bucket 1 inside of major diameter is discharged by aqueous vapor hole 13.Final formation state as shown in Figure 7, wide shallow bucket 1 top board 12 of major diameter contacts sea bed, completes heavy passing through.
Owing to can form soil plug under negative pressure pumping water effect, but the present embodiment has only carried out negative pressure pumping water sinking for negative pressure stake 2, and it is inner that native land plug 7 exists only in negative pressure stake 2.
The advantage of the present embodiment is:
1, the design of the wide shallow bucket 1 of major diameter is combined by negative pressure stake 2, make negative pressure stake 2 end first enter mud, reduce the area in basic initial contact mud face, make basis can sink to the darker degree of depth in mud face under Gravitative Loads, to form good confined space, for negative-pressure ward provides sealed environment;
2, many negative pressure stakes 2 are all equipped with independently pumping system, and basis at initial sinking sections, can be adjusted and sink to form, realize steadily sinking more accurately;
3, the wide shallow bucket 1 of major diameter and multiple negative pressure stake 2 can couple together and form entirety, jointly stressed, enhance basic supporting capacity, improve the not enough and wide shallow bucket Vertical Settlement of major diameter of negative pressure stake Its ultimate bearing capacity excessive shortcoming, and also can support basis for wide for major diameter shallow bucket 1 and multiple negative pressure stake 2 being connected into junction plate 3 and stake bucket junction plate 4 between overall stake, make basis more steady;
4, mud face is sunk to negative pressure stake 2 sinking of drawing water to drive the wide shallow bucket 1 of major diameter, soil plug 7 is made to exist only in negative pressure stake 2, occur when which avoid major diameter bucket 1 suction penetration to form soil plug, cannot sinking put in place, make the phenomenon that bung 12 supporting role cannot play, and negative pressure stake 2 relies on side friction to carry, soil plug 7 there is no impact to its supporting capacity.
The present embodiment bearing capacity is high, and globality is strong, good stability, and construction risk is little, is suitable for the marine anchorage structures as deep water sea area Large Offshore Structures basis and anchoring system.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (5)
1. the wide shallow bucket negative pressure stake combination foundation of major diameter, it is characterized in that: it comprises the wide shallow bucket (1) of major diameter and negative pressure stake (2), the wide shallow bucket (1) of described major diameter comprises ladle body (11) and is arranged on the top board (12) at ladle body (11) top, described top board (12) is passed by negative pressure stake (2), the top board (12) of the wide shallow bucket (1) of described major diameter is exposed on described negative pressure stake (2) top, and described negative pressure stake (2) bottom is lower than ladle body (11) bottom of the wide shallow bucket (1) of described major diameter; Described negative pressure stake (2) is through setting, and described negative pressure stake (2) top is provided with stake lid (6), and described stake lid (6) is provided with water pump (5).
2. the wide shallow bucket negative pressure stake combination foundation of major diameter according to claim 1, it is characterized in that: inner the wide shallow bucket (1) of described major diameter, connected by junction plate (3) between stake between each negative pressure stake (2), be connected by stake bucket junction plate (4) between each negative pressure stake (2) with ladle body (1) inwall.
3. the wide shallow bucket negative pressure stake combination foundation of major diameter according to claim 2, it is characterized in that: between described stake, junction plate (3) and stake bucket junction plate (4) are vertically arranged, its height is highly consistent with ladle body (11), and between described stake, junction plate (3) is all connected with top board (12) with stake bucket junction plate (4) top.
4. the wide shallow bucket negative pressure stake combination foundation of major diameter according to claim 2, it is characterized in that: the top board (12) of the wide shallow bucket top (1) of described major diameter is provided with multiple aqueous vapor hole (13) run through, each chamber that described in each, wide shallow bucket (1) of aqueous vapor hole (13) corresponding described major diameter of difference is divided into by junction plate (3) between described stake and stake bucket junction plate (4).
5. the wide shallow bucket negative pressure stake combination foundation of major diameter according to claim 1, it is characterized in that: described negative pressure stake (2) length is identical, described negative pressure stake (2) is evenly arranged around wide shallow bucket top board (12) central point of described major diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002687.2U CN204551518U (en) | 2015-01-04 | 2015-01-04 | The wide shallow bucket negative pressure stake combination foundation of major diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002687.2U CN204551518U (en) | 2015-01-04 | 2015-01-04 | The wide shallow bucket negative pressure stake combination foundation of major diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204551518U true CN204551518U (en) | 2015-08-12 |
Family
ID=53826651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002687.2U Expired - Fee Related CN204551518U (en) | 2015-01-04 | 2015-01-04 | The wide shallow bucket negative pressure stake combination foundation of major diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204551518U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804113A (en) * | 2016-04-26 | 2016-07-27 | 山东大学 | Novel ocean skirt suction type base structure and application method |
| CN105926664A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method |
| CN105926661A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Offshore wind power negative-pressure barrel base capable of removing soil plugs |
| CN105926666A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Suction anchor capable of automatically removing soil plugs |
| CN105926627A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Suction anchor capable of downwards penetrating to position below sea bottom surface and mounting method thereof |
| CN106930313A (en) * | 2017-04-19 | 2017-07-07 | 合肥学院 | A kind of coastal waters wind energy project stake bucket combination foundation and its construction method |
| CN109706951A (en) * | 2019-01-08 | 2019-05-03 | 中交第三航务工程勘察设计院有限公司 | A kind of steel reinforced concrete combination negative pressure barrel structure and its construction method |
| CN111636465A (en) * | 2020-05-29 | 2020-09-08 | 中铁大桥勘测设计院集团有限公司 | Integrated deepwater foundation and construction method thereof |
-
2015
- 2015-01-04 CN CN201520002687.2U patent/CN204551518U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804113A (en) * | 2016-04-26 | 2016-07-27 | 山东大学 | Novel ocean skirt suction type base structure and application method |
| CN105804113B (en) * | 2016-04-26 | 2018-02-09 | 山东大学 | A kind of ocean skirt-type suction type foundation structure and application process |
| CN105926666A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Suction anchor capable of automatically removing soil plugs |
| CN105926661A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Offshore wind power negative-pressure barrel base capable of removing soil plugs |
| CN105926627A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Suction anchor capable of downwards penetrating to position below sea bottom surface and mounting method thereof |
| CN105926664A (en) * | 2016-05-11 | 2016-09-07 | 中国海洋大学 | Negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to position below sea bottom surface, and installation method |
| CN105926627B (en) * | 2016-05-11 | 2018-04-03 | 中国海洋大学 | The suction anchor and its installation method that can be passed through to sea bottom surface down |
| CN105926664B (en) * | 2016-05-11 | 2018-04-03 | 中国海洋大学 | Suitable for passing through negative pressure cylinder and installation method to sea bottom surface under oceanic winds electric energy |
| CN106930313A (en) * | 2017-04-19 | 2017-07-07 | 合肥学院 | A kind of coastal waters wind energy project stake bucket combination foundation and its construction method |
| CN106930313B (en) * | 2017-04-19 | 2023-10-13 | 合肥学院 | Offshore wind power engineering pile barrel combined foundation and construction method thereof |
| CN109706951A (en) * | 2019-01-08 | 2019-05-03 | 中交第三航务工程勘察设计院有限公司 | A kind of steel reinforced concrete combination negative pressure barrel structure and its construction method |
| CN111636465A (en) * | 2020-05-29 | 2020-09-08 | 中铁大桥勘测设计院集团有限公司 | Integrated deepwater foundation and construction method thereof |
| CN111636465B (en) * | 2020-05-29 | 2021-11-30 | 中铁大桥勘测设计院集团有限公司 | Integrated deepwater foundation and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204551518U (en) | The wide shallow bucket negative pressure stake combination foundation of major diameter | |
| CN204940320U (en) | A kind of taper Blade fence | |
| CN202039382U (en) | Ribbing seabed suction anchor | |
| CN104389318B (en) | Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof | |
| CN205917719U (en) | Marine anemometer tower of multi -bucket negative -pressure barrel formula | |
| CN102296629B (en) | Tower-drum structure suitable for ocean engineering and installation method thereof | |
| CN111648396A (en) | Jacket with construction suction tube and construction method thereof | |
| CN201144418Y (en) | Special guide sleeve for hydraulic pressure raising and lining | |
| CN210797617U (en) | Pile barrel composite truss type offshore wind turbine foundation | |
| CN206529787U (en) | Many base truss-like offshore wind power foundation structures | |
| CN103031853B (en) | Seabed oil storage system | |
| CN104612177A (en) | Inserted type steel cylinder and steel truss combined foundation and construction method thereof | |
| CN110106907A (en) | A kind of suction caisson foundation and cement mixing method reinforce association | |
| CN103556972A (en) | Self-installed ocean floor drilling template and installation method thereof | |
| CN203701139U (en) | Jacket with gravity type caisson base | |
| CN201746848U (en) | Base structure of tidal flat wind farm fan | |
| CN201347191Y (en) | Suction pile type ocean floor drilling novel basal disc | |
| CN203613541U (en) | Driving device for vertical pipe sinking in shallow sea reclamation area | |
| CN202164862U (en) | Tower barrel type structure suitable for ocean engineering | |
| CN106948367B (en) | Wind power foundation assembled by quadrangular jacket column jacket and construction method thereof | |
| CN101642637B (en) | Whirlwind tank and construction method thereof | |
| CN204489133U (en) | For the floating box device of the large-scale single pipe pile foundation construction in shallow sea | |
| CN108560577A (en) | Ocean wind-powered electricity generation stake bucket composite foundation | |
| CN203701140U (en) | Plug-in type foundation for oceaneering | |
| CN208996069U (en) | A kind of offshore wind turbine single-pile foundation with suction caisson and tension type anchoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20210104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |