CN203701138U - Shallow sea high pile strengthening hoop - Google Patents
Shallow sea high pile strengthening hoop Download PDFInfo
- Publication number
- CN203701138U CN203701138U CN201420046162.4U CN201420046162U CN203701138U CN 203701138 U CN203701138 U CN 203701138U CN 201420046162 U CN201420046162 U CN 201420046162U CN 203701138 U CN203701138 U CN 203701138U
- Authority
- CN
- China
- Prior art keywords
- shallow sea
- pile
- high stake
- hoop
- steel bushing
- 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
Abstract
The utility model discloses a shallow sea high pile strengthening hoop. The shallow sea high pile strengthening hoop is used for cup jointing the free sections of shallow sea high piles and for further stabilizing the pile group foundation formed by the shallow sea high piles. The shallow sea high pile strengthening hoop comprises a steel sleeve which is arranged on the shallow sea high piles in a sleeved mode and a rigid connecting rod, wherein the two ends of the rigid connecting rod are respectively fixedly connected with the steel sleeve. Annular space is formed between the shallow sea high piles and the steel sleeve, the shallow sea high piles and the steel sleeve are welded with shear connectors which are located in the annular space respectively, and the annular space is poured with cement mortar and is connected with the shallow sea high piles and the steel sleeve. By the adoption of the shallow sea high pile strengthening hoop, the overall rigidity of the pile group foundation formed by the shallow sea high piles is increased, structure deformation is limited, stability of the pile group foundation is improved, so that diameter and wall thickness of the steel tube pile can be reduced, and steel consumption of the steel tube pile can be effectively reduced, thereby saving project investment and facilitating pile foundation pile sinking construction.
Description
Technical field
The utility model relates to shallow sea structure stake support system, relates in particular to the high stake in a kind of shallow sea and strengthens hoop.
Background technology
At sea, in the structure types of structure base, high pile foundation is one of conventional form of structure, and steel pipe pile is main pile foundation type.
Marine structures offshore in coastal waters construction has certain distance, and the engineering region depth of water is larger, therefore between superstructure and former mud face, has a quite long segment distance, and the drift of the basic pile foundation of support superstructure is larger.For meeting basic rigidity and stability requirement, must adopt large diameter steel pipe pile, thereby reach basic rigidity requirement and meet distortion and the force request of structure to increase the measure such as diameter and wall thickness of pile tube.Taking offshore wind farm engineering as example, at present both at home and abroad built and in many high pile foundations of the complete straight stake in the sea of building, the diameter of steel pipe pile is generally more than 2 meters, and wall thickness is generally greater than 1% stake footpath.Visible, the rolled steel dosage of this offshore wind power foundation steel pipe pile is very large, processing difficulties, and its cost is very expensive.In addition, for guaranteeing making and the construction quality of steel pipe pile, the general form of construction work that adopts whole long sunk pile of pile foundation, do not consider segmentation pile extension welding waterborne, and the diameter of whole steel pipe pile is large, wall thickness is large, and weight is large, and this has brought a lot of difficulties and increased huge operating expenses to transport and piling construction.
According to type and the feature of the high pile foundation steel pipe pile in current sea, can find that high pile foundation has the following disadvantages: middle large with the drift of the pile foundation of support system without connection, the flat weight bearing power of water resistant is poor, and malformation is large, and integral rigidity is poor; For meeting the requirements such as rigidity, distortion and stability, pile foundation must adopt major diameter, large wall thickness steel tube stake, and pile foundation rolled steel dosage is large, and cost is high; Because the large wall thickness of diameter of steel pipe pile is large, the weight of whole pile is large, transport and piling construction difficulty, to equipment require highly, operating expenses is high; The large-scale steel pipe sunk pile construction period of operation is at sea longer, also larger on the impact of investment.
Summary of the invention
For the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide a kind of for increasing the high stake reinforcement of the integral rigidity of high pile foundation and the shallow sea of stability hoop.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: hoop is strengthened in the high stake in a kind of shallow sea, for being socketed the free segment of the high stake in shallow sea and making the multi-column pier foundation of the high stake composition in shallow sea more stable, the high stake in described shallow sea is strengthened hoop and is comprised the steel bushing that is sheathed on the high stake in described shallow sea, the rigid connecting rod that two ends are fixedly connected with described steel bushing respectively, between the high stake in described shallow sea and described steel bushing, there is annular space, the high stake in described shallow sea is all welded with described steel bushing the shear connector that is positioned at annular space, described annular space joints cement mortar links the high stake in described shallow sea and described steel bushing.
Strengthen the one of the technical scheme of hoop as the high stake in the utility model shallow sea and improve, described steel bushing top outward radial extends to form outer ring flange, and described outer ring flange is circumferentially evenly arranged multiple bolt mounting holes.
Strengthen the one of the technical scheme of hoop as the high stake in the utility model shallow sea and improve, inner side, described steel bushing bottom is provided with interior ring back-up ring by positon of near bottom.
Strengthen the one of the technical scheme of hoop as the high stake in the utility model shallow sea and improve, described interior ring back-up ring is tilted to setting to the inside.
Strengthen the one of the technical scheme of hoop as the high stake in the utility model shallow sea and improve, inner side, described steel bushing bottom is provided with anti-slip veins, and described anti-slip veins is horizontal ring grain or particle projection.
Strengthen the one of the technical scheme of hoop as the high stake in the utility model shallow sea and improve, described shear connector is the projection that is fixedly mounted on the high stake in described shallow sea and described steel bushing.
The beneficial effects of the utility model are: high shallow sea stake is strengthened binding round the middle proper site that is installed on steel pipe pile group (the high stake in multiple shallow seas) drift, together with the effect forming is equivalent to increase with the drift section of superstructure centre at the mud face of several steel pipe piles, Huo Ji road connects rigid constraint each other, position can under water also can be on the water, because it has played booster action simultaneously again as a clump of piles is waled, so be called " strengthening hoop ", thereby reduce the freedom length of tube pile structure, play reinforced pipe pilework integral rigidity and retrain the effect of its distortion, improve the stability of the high stake combination in shallow sea.
Brief description of the drawings
Fig. 1 is the structural representation that hoop is strengthened in the high stake in the utility model shallow sea.
Fig. 2 be in Fig. 1 A-A to cross section structure schematic diagram.
Fig. 3 be in Fig. 2 B-B to cross section structure schematic diagram.
Detailed description of the invention
Further illustrate detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, shown in Fig. 3, hoop is strengthened in the high stake in a kind of shallow sea of the utility model, more stable for being socketed the multi-column pier foundations of high stake 11 compositions in Bing Shi shallow sea, stage casing of the high stake 11 in shallow sea, the high stake in described shallow sea is strengthened hoop and is comprised the steel bushing 15 that is sheathed on the high stake 11 in described shallow sea, the rigid connecting rod 12 that two ends are fixedly connected with described steel bushing 15 respectively, between the high stake 11 in described shallow sea and described steel bushing 15, there is annular space, the high stake 11 in described shallow sea is all welded with described steel bushing 15 shear connector 16 that is positioned at annular space, described annular space joints cement mortar 18 links the high stake 11 in described shallow sea and described steel bushing 15.High shallow sea stake is strengthened binding round the middle proper site that is installed on steel pipe pile group (the high stake in multiple shallow seas) drift, steel bushing 15 wherein links by the high stake 11 in cement injection mortar 18 and shallow sea, shear connector 16 stops steel bushing 15, the high stake 11 in shallow sea, between cement mortar 18 threes of solidifying, relatively move or rotate, between each steel bushing 15, be fixedly connected with by rigid connecting rod 12, together with the effect forming is equivalent to increase with the drift section of superstructure centre at the mud face of several steel pipe piles, Huo Ji road connects rigid constraint each other, position can under water also can be on the water, because it has played booster action simultaneously again as a clump of piles is waled, so be called " strengthening hoop ", thereby reduce the freedom length of tube pile structure, play reinforced pipe pilework integral rigidity and retrain the effect of its distortion, improve the stability of the high stake combination in shallow sea.
Apply the high stake in above-mentioned shallow sea and strengthened hoop, in the case of adopting identical steel tube pile structure, can improve rigidity and the stability of piling strtucture; In the case of adopting identical steel tube pile structure, can reduce distortion and the displacement of piling strtucture; Under the prerequisite of same stiffness and stability requirement, thereby can reduce a footpath and wall thickness is significantly saved steel, reduce by 20 ~ 30% pile foundation material and operating expenses; Under same stiffness and stability requirement, can use the pile tube of the less wall thickness of small diameter instead, can select the construction equipment of less ability, make piling construction more convenient, and shorten the piling construction phase; Interim suspention construction has solved the construction period fixation problem of " strengthening hoop ".Therefore make the multi-column pier foundation integral rigidity of the high stake composition in multiple shallow seas increase, and limiting structure distortion, the stability of multi-column pier foundation is improved, thereby can reduce steel pipe pile diameter and wall thickness, effectively reduce the rolled steel dosage of steel pipe pile, and then cost saving and facilitate pile foundation piling construction.
More preferably, described steel bushing top outward radial extends to form outer ring flange, described outer ring flange is circumferentially evenly arranged multiple bolt mounting holes, the water proof sleeve that is used for plugging into is convenient carries out water proof dry construction under water, and the grouting of being convenient to annular space between the high stake 11 in steel bushing 15 and shallow sea links operation.
More preferably, described steel bushing 15 inner sides, bottoms are provided with interior ring back-up ring 20 by positon of near bottom, can stop down seepage of cement mortar when operation on the water, play water proof or stop the effect of cunning on water proof inflatable circle while construction under water.
More preferably, described interior ring back-up ring 20 is tilted to setting to the inside, be convenient to be inserted in high of shallow sea and play importing effect at 11 o'clock, thereby the internal diameter of interior ring back-up ring 20 can be less than the external diameter of the high stake 11 in shallow sea, thereby in realization, encircle firm socket mortar leakage prevention percolation-proof between the high stake 11 of back-up ring 20 and shallow sea.
More preferably, described steel bushing 15 inner sides, bottom are provided with anti-slip veins, and described anti-slip veins is horizontal ring grain or particle projection, can play the anti-skidding effect of inflatable circle that helps water proof below the water surface of ocean while construction.
More preferably, described shear connector 16 is the projections that are fixedly mounted on the high stake in described shallow sea and described steel bushing, it is generally the outside that is welded on the high stake 11 in steel bushing 15 inner sides and shallow sea, shear connector 16 embeds in cement mortar 18 simultaneously, make high of shallow sea 11 reinforcement hoops embrace securely the support and connection structure of the larger rigidity of high stake 11 formation in each shallow sea, the stability of the high stake 11 in raising shallow sea.
The utility model embodiment 1 as shown in accompanying drawing 1 and Fig. 2, Fig. 3, a kind of suspention construction method for the high pile foundation of offshore wind farm is strengthened hoop.This high pile foundation is that shallow sea height stake 11 and its superstructure form by 4 steel pipe piles, suspends construction method in midair and strengthens binding round the middle correct position of free segment that is installed on the high stake 11 in shallow sea.Shear connector 16 is welded in to the high stake 11 suitable scopes in free segment middle part in steel bushing 15 inner sides and shallow sea, is that interior ring back-up ring 20 is installed on steel bushing 15 lower ends by sealing ring, and welding procedure rigid connecting rod 12 makes four steel bushings 15 connect into entirety.Steel pipe pile is after shallow sea high stake 11 pile sinking complete, the member that lifting steel bushing 15 and rigid connecting rod 12 form, fix its horizontal level height by suspention construction system, make steel bushing 15 be placed on the middle OK range of the high stake 11 outside free segments in shallow sea, steel bushing rear internal ring back-up ring 20 in place is sealing ring adjustment, make sealing between the high stake 11 in the lower end of steel bushing 15 and shallow sea, last underwater grouting high-strength cement mortar 18, makes the high stake reinforcement in the shallow sea hoop that suspends construction method in midair be fixedly connected with the high stake 11 in shallow sea.
In concrete engineering is implemented, should meet following condition: 1, adopt high pile foundation of the present utility model to be required to be relative position and the accurate complete straight stake of verticality.2, the engineering regional extent depth of water is dark or the Soft Soil Layer thicker pile foundation drift that causes in top layer is larger.3, pile foundation pile sinking absolute altitude should more accurately be controlled, so as not to shear connector 16 preset range in the steel pipe pile high stake 11 that is shallow sea with strengthen hoop dislocation.4, the utility model is applicable to three or above multi-column pier foundation.
By " strengthening hoop " is installed, in the middle of the free segment of pile tube, increase by one rigid constraint, thereby reduce the drift of pile tube, strengthen the integral rigidity of steel pipe pile group structure, under rigidity and the identical prerequisite of stability requirement, can effectively reduce diameter and the wall thickness of steel pipe pile, thereby the Master Cost of the steel pipe pile of minimizing 20 ~ 30% is reduced investment outlay.Meanwhile, due to after the diameter of steel pipe pile and wall thickness reduce, its weight greatly reduces, and is more conducive to making, transport and the piling construction of steel pipe pile, thus minimizing expense and ensure the duration.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (6)
1. hoop is strengthened in the high stake in shallow sea, for being socketed the free segment of the high stake in shallow sea and making the multi-column pier foundation of the high stake composition in shallow sea more stable, it is characterized in that: the high stake in described shallow sea is strengthened hoop and comprised and be sheathed on the steel bushing of the high stake in described shallow sea, the rigid connecting rod that two ends are fixedly connected with described steel bushing respectively, between the high stake in described shallow sea and described steel bushing, there is annular space, the high stake in described shallow sea is all welded with described steel bushing the shear connector that is positioned at annular space, and described annular space joints cement mortar links the high stake in described shallow sea and described steel bushing.
2. hoop is strengthened in the high stake in shallow sea according to claim 1, it is characterized in that: described steel bushing top outward radial extends to form outer ring flange, and described outer ring flange is circumferentially evenly arranged multiple bolt mounting holes.
3. hoop is strengthened in the high stake in shallow sea according to claim 1 and 2, it is characterized in that: inner side, described steel bushing bottom is provided with interior ring back-up ring by positon of near bottom.
4. hoop is strengthened in the high stake in shallow sea according to claim 3, it is characterized in that: described interior ring back-up ring is tilted to setting to the inside.
5. hoop is strengthened in the high stake in shallow sea according to claim 1, it is characterized in that: inner side, described steel bushing bottom is provided with anti-slip veins, and described anti-slip veins is horizontal ring grain or particle projection.
6. hoop is strengthened in the high stake in shallow sea according to claim 1, it is characterized in that: described shear connector is the projection that is fixedly mounted on the high stake in described shallow sea and described steel bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046162.4U CN203701138U (en) | 2014-01-24 | 2014-01-24 | Shallow sea high pile strengthening hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046162.4U CN203701138U (en) | 2014-01-24 | 2014-01-24 | Shallow sea high pile strengthening hoop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701138U true CN203701138U (en) | 2014-07-09 |
Family
ID=51051594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046162.4U Expired - Fee Related CN203701138U (en) | 2014-01-24 | 2014-01-24 | Shallow sea high pile strengthening hoop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203701138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
| CN109403361A (en) * | 2018-10-22 | 2019-03-01 | 中国科学院海洋研究所 | A kind of over-water construction stake bucket and its application |
| CN109972647A (en) * | 2019-03-12 | 2019-07-05 | 中交第三航务工程勘察设计院有限公司 | A kind of pile foundation and the connection structure of underwater binder, pile foundation construction connection method |
-
2014
- 2014-01-24 CN CN201420046162.4U patent/CN203701138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
| CN109403361A (en) * | 2018-10-22 | 2019-03-01 | 中国科学院海洋研究所 | A kind of over-water construction stake bucket and its application |
| CN109972647A (en) * | 2019-03-12 | 2019-07-05 | 中交第三航务工程勘察设计院有限公司 | A kind of pile foundation and the connection structure of underwater binder, pile foundation construction connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2837554A1 (en) | Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method | |
| CN104389318B (en) | Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof | |
| CN205152976U (en) | Marine precast concrete cushion cap wind turbine foundation | |
| CN104805854A (en) | Method for constructing deep-water ultra-long steel plate pile cofferdam in tide environment | |
| CN105970993B (en) | The construction method of the underwater connection structure of prefabricated pile and prefabricated cushion cap | |
| CN104153384A (en) | On-sea sandwich steel pipe pile foundation and construction method | |
| CN203701138U (en) | Shallow sea high pile strengthening hoop | |
| CN203701127U (en) | Underwater gravity type foundation | |
| CN104612177A (en) | Inserted type steel cylinder and steel truss combined foundation and construction method thereof | |
| CN108625390A (en) | The construction process and the more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake of offshore wind turbine foundation | |
| CN205776157U (en) | Assembled underground continuous wall | |
| CN104652495A (en) | Waterproof construction process for joint of inner support upright post of foundation pit and bottom plate | |
| CN204530751U (en) | Insert-type steel cylinder and steel truss combination foundation | |
| CN202170512U (en) | Underwater combined base for open caisson and steel pipe piles | |
| CN204282390U (en) | For the steel concrete-steel structure mixing gravity type foundation of offshore wind farm | |
| CN104179190A (en) | Composite pile foundation for offshore wind power and construction method thereof | |
| CN204282295U (en) | Pile formula case cylinder breakwater structure | |
| CN208517977U (en) | A kind of anti-float anchor rod that existing basement bottom board is reinforced | |
| CN103321237A (en) | Tubular pile combined structure and construction method for wharf engineering | |
| CN202969333U (en) | Steel truss rock-socketed wharf structure | |
| CN102409701A (en) | Concrete wall construction joint processing method and structure | |
| AU2012313196B2 (en) | Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method | |
| CN105155573A (en) | Offshore wind turbine barrel-in-barrel foundation | |
| CN201738286U (en) | Tetrapod pier type structure | |
| CN204898696U (en) | Telescopic steel cofferdam |
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: 20140709 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |