CN206599803U - A kind of device for suppressing marine structure pile foundation seafloor scour - Google Patents
A kind of device for suppressing marine structure pile foundation seafloor scour Download PDFInfo
- Publication number
- CN206599803U CN206599803U CN201720302904.9U CN201720302904U CN206599803U CN 206599803 U CN206599803 U CN 206599803U CN 201720302904 U CN201720302904 U CN 201720302904U CN 206599803 U CN206599803 U CN 206599803U
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- Prior art keywords
- steel pipe
- pile foundation
- marine structure
- erosion damage
- scour
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Abstract
The utility model provides a kind of device for suppressing marine structure pile foundation seafloor scour, belongs to foundation treatment engineering technical field.The device includes stake, reinforces steel pipe, ground erosion damage critical line, steel pipe top envelope, concrete, cutting head, rammer tube head and tamping tube hammer, reinforce steel pipe and surround pile foundation close-packed arrays in seabed, it is covered with ground erosion damage critical line, reinforce steel pipe compression distance and exceed ground erosion damage critical line, steel pipe top is reinforced radially gradually to extend, steel pipe top envelope is formed, gap and upper cavity casting concrete between steel pipe is reinforced.The device is reasonable in design, has the advantages that fastening strength is big, it is convenient to construct, shortens the duration, can effectively suppress seafloor scour.
Description
Technical field
The utility model is related to foundation treatment engineering technical field, particularly relates to a kind of suppression marine structure pile foundation sea
The device that bottom is washed away.
Background technology
Regenerative resource is more and more important to country or even global energy policy, utilizes investment caused by regenerative resource
Gradually increase, maritime renewable energy device includes tide energy device, wave energy apparatus and Offshore wind turbines, wind turbine (wind
Power generator or other Wind energy extraction devices) be normally mounted at the leafy sheet devices on pylon, the pylon using single pile or
Three are secured in place.The Offshore wind turbines that single pile formula is installed are easy to be influenceed by seafloor scour (such as tidal fluctuations, sudden and violent
Rainy day gas is caused), seafloor scour will make the sea bed around single pile wind turbine base produce movement.
According to investigations, around the wind turbine single pile without scour protection, to diameter of the scour depth than the single pile of single pile
Big 1.5 times or so, the presence washed away need single pile in length additional 8-10 meters for ensuring enough structural stabilities.Pass
The Offshore wind turbines scour protection of system generally uses armor facing, for example, lay one layer of rock around stake bottom, usual rock
Diameter is about 50-100cm, still very big compared with gap between rocklet, and erosion control brushing effects are not fine；Moreover, traditional side
Method can produce local scour to cause to wash away boundary expansion.Therefore, in the urgent need to a kind of new scour protection method, come effective
Seafloor scour is solved the problems, such as, there is great promotion meaning for the development that China's maritime renewable energy is utilized.
Utility model content
The utility model sets about suppressing marine structure stake there is provided one kind from consolidated subsoil and in terms of suppressing seawater scouring two
The device of basic seafloor scour.
The device includes stake, reinforces steel pipe, concrete, cutting head, rammer tube head and tamping tube hammer, and the device is in seabed provided with ground
Base erosion damage critical line, reinforces steel pipe and surrounds stake close-packed arrays in seabed, be covered with ground erosion damage critical line, reinforce steel pipe
Compression distance surmounts ground erosion damage critical line, reinforces steel pipe top and radially gradually extends, forms steel pipe top envelope,
Gap and upper cavity casting concrete between steel pipe are reinforced, cutting head is arranged on reinforcing steel pipe bottom, rams tube head and combines closely
Steel pipe upper end is being reinforced, tamping tube hammer is connected to rammer tube head top.
Wherein, reinforce steel pipe and use round steel pipe, diameter is identical with stake diameter, be able to can also be closed according to actual situation of reinforcing
The parameters such as material, thickness, the diameter of reason selection corrugated steel, reinforce steel pipe and surround stake close-packed arrays, can both reinforce sandy soil, strengthen
Sandy soil self-strength, can also extrude stake, strengthen stake stability.
Ground erosion damage critical line depth is 1.5-3 times of stake diameter, angle between ground erosion damage critical line and stake
Spend and may extend into several meters for 30-60 ° of scope, can be determined according to actual geological condition.
Steel pipe top envelope is formed by reinforcing steel pipe top, and periphery reinforcing steel pipe top is equal with ground, by extroversion
It is interior to be gradually risen along radial direction, play a part of to suppress seawater scouring, also avoid producing local scour.
Concreting thickness is not less than steel pipe top envelope, can both fill steel pipe cavity, and enhancing steel pipe top is strong
Degree, resists seawater scouring, can also reinforce ground, prevent seawater scouring.
Press-in reinforces steel pipe using tube method construction is rammed, and cutting head, which is located at, reinforces steel tube end part, and cutting soil is easy to reinforce steel
Pipe is pressed into ground；Ram tube head and used with reinforcing steel pipe collocation, ram tube head and be brought into close contact with reinforcing steel pipe, prevent pressure from reinforcing into steel pipe
During produce slip；Tamping tube hammer uses pneumatic punner-pipe hammer, also can use other tamping tube hammers according to actual conditions.
Above-mentioned technical proposal of the present utility model has the beneficial effect that：
On the one hand the device, reinforces steel pipe and enhances pile foundation self-strength, and stable support is provided for stake；On the other hand,
Reinforce steel pipe to be combined with concrete, both strengthen geotechnical foundation, while can be good at suppressing washing away for seawater again.With reinforcing
Effect is strong, the advantages of weaken seawater scouring effect substantially, reduce stake additional length.The utility model construction cost is compared with conventional method
It is high, it is adaptable to the higher pile foundation of reinforcement criteria.
Brief description of the drawings
Fig. 1 is the structural representation of the present utility model for suppressing marine structure pile foundation seafloor scour device；
Fig. 2 is suppression marine structure pile foundation seafloor scour apparatus structure top view of the present utility model；
Fig. 3 is tamping tube hammer pipe laying schematic diagram of the present utility model；
Fig. 4 is the utility model method implementing procedure figure.
Wherein：1-；2- reinforces steel pipe；3- ground erosion damage critical lines；4- steel pipe top envelopes；5- concrete；
6- cutting heads；7- rams tube head；8- tamping tube hammers.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model is directed to existing seafloor scour means of defence, and protection effect is poor, the problems such as be also easy to produce local scour,
A kind of device for suppressing marine structure pile foundation seafloor scour is provided.
As shown in Figure 1, Figure 2 and Figure 3, in the device, reinforce steel pipe 2 and surround stake 1 or ground close-packed arrays in seabed, be covered with
Ground erosion damage critical line 3, reinforces the compression distance of steel pipe 2 and exceedes ground erosion damage critical line 3, reinforce the top edge of steel pipe 2
Radially gradually extend, form steel pipe top envelope 4, reinforce 2 gaps of steel pipe and upper cavity casting concrete 5.Wherein, such as
Shown in Fig. 1, reinforce steel pipe 2 and surround the close-packed arrays of stake 1, compression distance exceedes ground erosion damage critical line 3, even if sandy soil wash away
Also the stabilization of reinforcing steel pipe 2 can be ensured.Steel pipe top envelope 4 is made up of the top of reinforcing steel pipe 2, and periphery reinforces steel pipe 2 and pushed up
Portion is equal with ground, is gradually risen along radial direction, allows current slowly to rise along envelope 4, weakens seawater scouring dynamics.
As shown in Fig. 2 the utility model provides a kind of arrangement mode for reinforcing steel pipe 2, other arrangement modes can be also used, press-in is reinforced
During steel pipe 2, by internal layer outer layers, it is pressed into by root.As shown in figure 3, the utility model reinforces steel pipe 2 using tube method press-in is rammed, cut
Cut first 6 and be located at reinforcing steel pipe 2 end, be easy to reinforce the press-in ground of steel pipe 2, ram tube head 7 and closely agree with reinforcing steel pipe 2, prevent
Slip is only produced in steel pipe process of press in, tamping tube hammer 8 uses pneumatic punner-pipe hammer.
Stake 1 uses round steel pipe thickness for 20mm in the present embodiment, diameter 2m, reinforces steel pipe 2 and uses round steel pipe, thickness
For 4mm, diameter 2m.Periphery reinforces steel pipe 2 long 1.5m, ground 0m, underground 1.5m；Middle level reinforces the long 3.5m of steel pipe 2, on the ground
0.5m, underground 3m；Internal layer reinforces steel pipe 2 long 7.7m, ground 0.7m, underground 7m.
Using flow shown in Fig. 4, in an actual embodiment, according to geological condition determine foundation failure critical line depth and
Scope, determines the size and quantity required of all kinds of steel pipes, and surveying setting-out determines steel pipe pushed position and depth, and press-in is reinforced
Steel pipe, casting concrete finally carries out construction quality inspection.Wherein, press-in reinforces steel pipe using tube method construction is rammed, and is filled with tensioning
Put and tamping tube hammer, rammer tube head are connected with steel pipe is reinforced, start air compressor machine tamping tube hammer and start working, steel pipe will be reinforced and rammed insensibly
Enter stratum, reinforce steel pipe and be rammed into from inside to outside by root.
Specific construction flow is as follows：
(1) preparation of construction：Foundation failure critical line depth and scope are determined according to geological condition, all kinds of reinforcing steel are determined
The size and quantity required of pipe；
(2) surveying setting-out：It is determined that reinforcing steel pipe pushed position and depth；
(3) steel pipe is reinforced in press-in；
(4) casting concrete；
(5) construction quality inspection.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (7)
1. a kind of device for suppressing marine structure pile foundation seafloor scour, it is characterised in that：Including stake (1), reinforce steel pipe
(2), concrete (5), cutting head (6), rammer tube head (7) and tamping tube hammer (8), the device are critical provided with ground erosion damage in seabed
Line (3), reinforces steel pipe (2) and surrounds stake (1) close-packed arrays in seabed, be covered with ground erosion damage critical line (3), reinforce steel pipe
(2) compression distance surmounts ground erosion damage critical line (3), reinforces and radially gradually extends at the top of steel pipe (2), forms steel pipe top
Portion's envelope (4), reinforces gap and upper cavity casting concrete (5) between steel pipe (2), and cutting head (6) is arranged on reinforcing steel pipe
(2) bottom, rams tube head (7) and combines closely in reinforcing steel pipe (2) upper end, tamping tube hammer (8) is connected to rammer tube head (7) top.
2. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：It is described to add
Gu steel pipe (2) uses round steel pipe, diameter is identical with stake diameter.
3. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：Describedly
Base erosion damage critical line (3) depth is 1.5-3 times of stake diameter, angle between ground erosion damage critical line (3) and stake (1)
For 30-60 °.
4. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：The steel
Tube top portion envelope (4) is formed at the top of reinforcing steel pipe (2), and periphery reinforces, ecto-entad equal with ground at the top of steel pipe (2)
Gradually risen along radial direction.
5. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：It is described mixed
Solidifying soil (5) pours thickness and is not less than steel pipe top envelope (4).
6. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：It is described to ram
Tube head (7) is used with reinforcing steel pipe (2) collocation.
7. the device according to claim 1 for suppressing marine structure pile foundation seafloor scour, it is characterised in that：It is described to ram
Pipe hammer (8) uses pneumatic punner-pipe hammer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302904.9U CN206599803U (en) | 2017-03-27 | 2017-03-27 | A kind of device for suppressing marine structure pile foundation seafloor scour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302904.9U CN206599803U (en) | 2017-03-27 | 2017-03-27 | A kind of device for suppressing marine structure pile foundation seafloor scour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206599803U true CN206599803U (en) | 2017-10-31 |
Family
ID=60145807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720302904.9U Expired - Fee Related CN206599803U (en) | 2017-03-27 | 2017-03-27 | A kind of device for suppressing marine structure pile foundation seafloor scour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206599803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869189A (en) * | 2017-03-27 | 2017-06-20 | 北京科技大学 | A kind of device for suppressing marine structure pile foundation seafloor scour |
| CN114991221A (en) * | 2022-04-22 | 2022-09-02 | 华能灌云清洁能源发电有限责任公司 | Novel stone throwing shaft collar protective structure's offshore wind power pile foundation |
-
2017
- 2017-03-27 CN CN201720302904.9U patent/CN206599803U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869189A (en) * | 2017-03-27 | 2017-06-20 | 北京科技大学 | A kind of device for suppressing marine structure pile foundation seafloor scour |
| CN114991221A (en) * | 2022-04-22 | 2022-09-02 | 华能灌云清洁能源发电有限责任公司 | Novel stone throwing shaft collar protective structure's offshore wind power pile foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20200327 |