CN107386201A - A kind of floating breakwater - Google Patents
A kind of floating breakwater Download PDFInfo
- Publication number
- CN107386201A CN107386201A CN201710696773.1A CN201710696773A CN107386201A CN 107386201 A CN107386201 A CN 107386201A CN 201710696773 A CN201710696773 A CN 201710696773A CN 107386201 A CN107386201 A CN 107386201A
- Authority
- CN
- China
- Prior art keywords
- buoyancy tank
- floating
- breakwater
- wave
- upper float
- 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.)
- Granted
Links
- 238000007667 floating Methods 0.000 title claims abstract description 67
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- -1 polypropylene Polymers 0.000 claims abstract description 4
- 229920001155 polypropylene Polymers 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 11
- 238000004873 anchoring Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of floating breakwater, including multiple buoyancy tanks being connected with each other by attachment means；Described buoyancy tank includes upper float, the lower floating body for contacting and being fixedly installed up and down；Described upper float is that winding shape adds the fluted body steel structure of slope shape, and multiple block energy dissipators are provided with bent face in its groove；Described lower floating body is the cuboid of a high-strength polypropylene material, and the unrestrained hole that disappears of multiple insertions staggeredly is provided with it；Described buoyancy tank is provided with mooring fairlead, and cable is led by buoyancy tank mooring in water for connecting.Wave dissipation effect of the present invention under high sea situation and long period wave is good, and simple in construction, using modularization assemble, breakwater width is unrestricted, is easy to offshore construction and later maintenance.
Description
Technical field
The invention belongs to marine engineering equipment technical field, and in particular to a kind of floating breakwater.
Background technology
Marine environment is complicated, and offshore floating type works is acted on by wind, wave, stream loading simultaneously, especially seaway load
Main component is accounted for, has a strong impact on security, comfortableness of staff of offshore floating type works etc..In order to weaken wave sea
The seaway load that floating structure is subject to, generally lay floating breakwater absorption in floating structure surrounding and consumption wave energy reaches
To the purpose for reducing wave force.Floating breakwater is typically by the wave absorption floating body of metal, armored concrete and plastic material manufacture
With the wave trap of anchor system, device composition, wave absorption floating body is made up of the casing with certain draft or floating mat.Casing or
The anchor chain that floating mat and one end are fixed on seabed is connected and swum on the water surface.Compared with traditional bottom-sitting type breakwater, there is construction
Simplicity, it is cost-effective, to by the hydrodynamic influence of sheltered waters it is little the advantages that.But up to the present, floating breakwater should
Bottom-sitting type breakwater is far below with rate, this is primarily due to its wave absorption performance and is far below bottom-sitting type breakwater, especially for length
In terms of cycle ripple.In addition, the security of the anchoring system of floating breakwater is also highly important, good wave absorption performance is obtained
Turn into masty contradiction in floating breakwater research with effective anchoring system load that reduces.Chinese invention patent
(CN201310253105.3) " a kind of hole box floating breakwater of built-in buoyancy unit ", there is following defect in the breakwater：
1. when hole box structure occurs damaged, internal buoyance unit easily escapes from hole case, loses buoyancy, floating breakwater can be caused to sink to
Seabed；2. elemental floating body moves in hole case alternate internal, floating breakwater institute on vertical water surface direction is loaded smaller, big
In the case of wave height, breakwater easily appearance is more unrestrained, reduces its wave absorption ability；3. breakwater limited width, long period wave is disappeared
Ripple effect is poor；4. structure is complex, the replacing and maintenance in offshore construction and later stage are not easy to.
The content of the invention
In order to overcome the shortcomings of the prior art, the present invention proposes a kind of new floating breakwater, based on energy point
Dissipate, the principle such as Damping work realizes the dual wave absorption ability of its structure, the wave dissipation effect under high sea situation and long period wave is obvious；
Its damaged buoyancy occur even if structure will not also lose；Simple in construction, using modularization assemble, breakwater width is unrestricted,
It is easy to offshore construction and later maintenance.
To solve the above mentioned problem of prior art, the present invention uses following technical scheme.
A kind of floating breakwater of the present invention, including multiple buoyancy tanks being connected with each other by attachment means；Described buoyancy tank
Including upper float, the lower floating body for contacting and being fixedly installed up and down；Described upper float is the fluted body knot that winding shape adds slope shape
Structure, multiple block energy dissipators are provided with bent face in its groove；Described lower floating body is a high-strength polypropylene material
Cuboid, the unrestrained hole that disappears of multiple insertions staggeredly is provided with it；Described buoyancy tank is provided with mooring fairlead, for connecting anchor
Chain is by buoyancy tank mooring in water.
Further, uniform multiple described block energy dissipators at the slope upper surface of described upper float.
Further, the lower root edge of described upper float is in waterline position.
Further, described buoyancy tank width is not less than 1/10 mean wavelength.
Further, the length-width ratio of described lower floating body is 5:1~10:1, its height is not less than 1/20 characteristic wavelength.
Further, multiple bumpers are arranged on the adjacent interface of described buoyancy tank.
Further, described attachment means include：The multiple connection fairleads being arranged on the adjacent interface of buoyancy tank
With corresponding anchor chain.
Compared with prior art, the present invention includes advantages below and beneficial effect：
1st, the new floating breakwater of the present invention, is formed by connecting by anchor chain using multiple buoyancy tank units, can be mass, subtracts
Few cost, it is easy to disassemble with changing, according to marine site actual conditions connect into it is various needed for pattern and width, it is easy for construction, safely
Performance is high.
2nd, the present invention has fully used hydrodynamic characteristics, and lower float structure uses the crisscross structure in unrestrained hole that disappears,
Upper float is using fluted body structure and adds block energy dissipator, greatly enhances the wave absorption performance of floating breakwater.
3. each buoyancy tank of the present invention is made up of floating body under the upper float of winding ramp type and the rectangle with the unrestrained hole that disappears, its
The slope lower edge of upper float is in waterline position.Thus, when wave passes through breakwater, slope is arrived first at, wave one, which divides, is
Two, top half is climbed along slope.Wave needs the block wave absorber above by slope, its wave energy during climbing
Amount constantly decay, finally reaches semicircle winding, and then wave climbs along circular arc, the counter motion under the guiding of circular arc, is formed
Turnup crushes, and further consumes wave energy；The latter half wave travels forward along upper float bottom surface and met up to floating downward body phase, under
Floating body surface is covered with crisscross aperture, and wave collides dissipation in aperture, cuts down part wave energy.Wave passes through breakwater
Breakwater rear is transmitted to after consumption wave energy, wave height now can significantly decrease, and the cycle is almost unchanged.Wave is by new
Breakwater energy attenuation, is broadly divided into two parts, a part of viscous dissipation, and another part is by floating breakwater sorption enhanced
For the kinetic energy and potential energy of breakwater.
4. the present invention uses catenary Mooring Arrangements that in seabed, breakwater mooring is effectively ensured that into breakwater is in a certain
Particular range, it turn avoid anchoring system and be not subject to excessive load, so that breakwater can will in certain limit is moved
The energy of itself is discharged by the way of acting.
5. floating breakwater of the present invention uses passive type wave absorption mode, without extra power device, because breakwater absorbs
Wave energy generates periodic motion, especially buoyancy tank and the load of buoyancy tank junction is larger, can install additional and send out in junction
Group of motors, form wave electric power system, the byproduct as new floating breakwater.
Brief description of the drawings
Fig. 1 is the floating box structure schematic diagram of one embodiment of floating breakwater of the present invention.
Fig. 2 is Fig. 1 A-A to sectional view.
Fig. 3 is the buoyancy tank side view of one embodiment of the present of invention.
In figure：10 upper floats, 20 times floating bodies, 13 bumpers, 14 connection fairleads, 25 mooring fairleads, 26 disappear unrestrained hole, and 17
Block energy dissipator.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the floating box structure schematic diagram of one embodiment of floating breakwater of the present invention.The present invention as shown in Figure 1 floating
Mooring forms floating breakwater in working sea area after box unit is formed by connecting by attachment means.The length of floating breakwater is by floating
The quantity decision of box unit, theory unlimited system.
Buoyancy tank includes：Upper float 10, lower floating body 20, bumper 13, fairlead 14 is connected, mooring fairlead 25, disappear unrestrained hole
26, block energy dissipator 17.Upper float 10 is integrated with lower floating body 20 consolidation.
The upper float 10 of buoyancy tank uses steel material, and the fluted body structure of slope shape is added for winding shape, is interlocked on its slope
It is distributed block energy dissipator 17.The several connection fairleads 14 of the symmetrical connection in the face of left and right two, company can be formed with corresponding cable of leading
Connection device, for connecting adjacent buoyancy tank.It, which leads cable, can use anchor chain.
Multiple bumpers 13 are provided with the interface of adjacent buoyancy tank, block rubber can be used, for avoiding adjacent buoyancy tank from occurring
Collision and dislocation motion, ensure the structure safety of buoyancy tank.Several mooring fairleads 25 are provided with upper float 10 and are used for mooring
Buoyancy tank, the mooring fairlead 25 can be uniformly distributed at the bottom surface of upper float 10.Catenary Mooring Arrangements can be used by breakwater
Mooring effectively ensures that breakwater is in a certain particular range, turn avoid anchoring system and be not subject to excessive load in seabed,
So that breakwater can be discharged the energy of itself in certain limit is moved by the way of acting.
Lower floating body 20 is rectangular configuration, is had using the macromolecule polypropylene material of highly corrosion resistant, inside it horizontal and vertical
To the unrestrained hole 26 that disappears for being covered with insertion, to increase Damping work, effect of energy dissipation is improved.
The floating breakwater being formed by connecting by multiple floating box structures by anchor chain, anchor is passed through by the mooring fairlead on buoyancy tank
Chain mooring is in the bottom, usually catenary form.Thus, floating breakwater is made to be fixed in the range of some in water.
The width of buoyancy tank cannot be less than 1/10 mean wavelength, and the lower edge of upper float is in waterline position.
The lower floating body 20 of buoyancy tank is cuboid, its length-width ratio substantially 5:1~10:1, highly not less than 1/20 characteristic wave
It is long.
Such as the A-A profiles that Fig. 2 is Fig. 1.When buoyancy tank is placed in seawater, seawater is entered by the unrestrained hole 26 that disappears of buoyancy tank bottom
Enter inside buoyancy tank, the generation buoyancy of lower floating body 10 of buoyancy tank is identical with the gravity of buoyancy tank, buoyancy tank is in the state of nature floating.It is logical
Mooring fairlead 25 is crossed by buoyancy tank mooring on sea, when wave is by the slope of upper float 10, block energy dissipator need to be passed through
17, weaken Wave energy, reach the function of wave absorption.
In a word, a kind of new floating breakwater of the invention, is formed by connecting by multiple buoyancy tanks by attachment means, each buoyancy tank
It is respectively provided with dual wave absorption ability, the wave dissipation effect under high sea situation is good.It is two first by slope portion when wave passes through buoyancy tank,
After top half is climbed by slope and weakens wave energy with block energy dissipator, along semicircle winding counter motion, finally crush；Under
Half part wave reflects and disappeared by lower floating body unrestrained hole and weakens wave energy；Part wave is transmitted to rear through breakwater.The present invention
Buoyancy tank can use modular manufacturing, processing and manufacturing is convenient, is easy to offshore construction and later maintenance.
Claims (7)
- A kind of 1. floating breakwater, it is characterised in that：Including multiple buoyancy tanks being connected with each other by attachment means；Described buoyancy tank Including upper float (10), the lower floating body (20) for contacting and being fixedly installed up and down；Described upper float (10) is that winding shape adds slope The fluted body structure of shape, multiple block energy dissipators (17) are provided with bent face in its groove；Described lower floating body (20) is one The cuboid of individual high-strength polypropylene material, the unrestrained hole (26) that disappears of multiple insertions staggeredly is provided with it；Described buoyancy tank is all provided with Mooring fairlead (14) is equipped with, for connecting anchor chain by buoyancy tank mooring in water.
- 2. a kind of floating breakwater according to claim 1, it is characterized in that, at described upper float (10) slope upper surface Uniform multiple described block energy dissipators (17).
- 3. a kind of floating breakwater according to claim 1, it is characterized in that, the lower root edge of described upper float (10) is in Waterline position.
- 4. a kind of floating breakwater according to claim 1, it is characterized in that, described buoyancy tank width is average not less than 1/10 Wavelength.
- 5. a kind of floating breakwater according to claim 1, it is characterized in that, the length-width ratio of described lower floating body (20) is 5: 1~10:1, its height is not less than 1/20 characteristic wavelength.
- 6. a kind of floating breakwater according to claim 1, it is characterized in that, arranged on the adjacent interface of described buoyancy tank Multiple bumpers (13).
- 7. a kind of floating breakwater according to claim 1, it is characterized in that, described attachment means include：It is arranged at floating Multiple connection fairleads (14) and corresponding anchor chain on the adjacent interface of case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696773.1A CN107386201B (en) | 2017-08-15 | 2017-08-15 | Floating breakwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696773.1A CN107386201B (en) | 2017-08-15 | 2017-08-15 | Floating breakwater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386201A true CN107386201A (en) | 2017-11-24 |
| CN107386201B CN107386201B (en) | 2020-06-09 |
Family
ID=60354560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696773.1A Active CN107386201B (en) | 2017-08-15 | 2017-08-15 | Floating breakwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386201B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824356A (en) * | 2018-08-22 | 2018-11-16 | 中国海洋大学 | A kind of abnormal shape energy dissipating caisson and a kind of breakwater |
| CN109295920A (en) * | 2018-11-12 | 2019-02-01 | 江苏科技大学 | Have the buoyancy tank-tyre type floating breakwater unit and breakwater system of the function that can rise and fall under a kind of extreme sea condition |
| CN109594522A (en) * | 2018-12-04 | 2019-04-09 | 河海大学 | A kind of floating breakwater configuring the arc wave resistance wing and power generator |
| CN110409367A (en) * | 2019-08-27 | 2019-11-05 | 天津大学 | Using the floating pectination breakwater device of wave energy and application |
| CN111273048A (en) * | 2020-03-09 | 2020-06-12 | 上海勘测设计研究院有限公司 | Wind cap of Doppler current meter |
| CN112411468A (en) * | 2020-12-08 | 2021-02-26 | 宁波大学 | Flexible floating breakwater |
| CN114735147A (en) * | 2022-04-07 | 2022-07-12 | 江苏科技大学 | Anti-wind-wave floating type offshore photovoltaic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0449303A (en) * | 1990-06-18 | 1992-02-18 | Jdc Corp | Beach type floating breakwater |
| JPH11104677A (en) * | 1997-10-07 | 1999-04-20 | Kubota Corp | Water clarification facility around floating body |
| JP2001107334A (en) * | 1999-10-12 | 2001-04-17 | Oshima Shipbuilding Co Ltd | Floating wave dissipating device |
| CN101850834A (en) * | 2010-06-11 | 2010-10-06 | 许是勇 | Semi-submersible type multifunctional jetty |
| CN103215918A (en) * | 2013-04-17 | 2013-07-24 | 河海大学 | Slope type pile foundation manger board open embankment |
-
2017
- 2017-08-15 CN CN201710696773.1A patent/CN107386201B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0449303A (en) * | 1990-06-18 | 1992-02-18 | Jdc Corp | Beach type floating breakwater |
| JPH11104677A (en) * | 1997-10-07 | 1999-04-20 | Kubota Corp | Water clarification facility around floating body |
| JP2001107334A (en) * | 1999-10-12 | 2001-04-17 | Oshima Shipbuilding Co Ltd | Floating wave dissipating device |
| CN101850834A (en) * | 2010-06-11 | 2010-10-06 | 许是勇 | Semi-submersible type multifunctional jetty |
| CN103215918A (en) * | 2013-04-17 | 2013-07-24 | 河海大学 | Slope type pile foundation manger board open embankment |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824356A (en) * | 2018-08-22 | 2018-11-16 | 中国海洋大学 | A kind of abnormal shape energy dissipating caisson and a kind of breakwater |
| CN108824356B (en) * | 2018-08-22 | 2023-08-15 | 中国海洋大学 | Abnormal shape energy dissipation caisson and breakwater |
| CN109295920A (en) * | 2018-11-12 | 2019-02-01 | 江苏科技大学 | Have the buoyancy tank-tyre type floating breakwater unit and breakwater system of the function that can rise and fall under a kind of extreme sea condition |
| CN109295920B (en) * | 2018-11-12 | 2021-04-27 | 江苏科技大学 | Buoyancy tank-tire type floating breakwater unit with sinking and floating functions under extreme sea conditions and breakwater system |
| CN109594522A (en) * | 2018-12-04 | 2019-04-09 | 河海大学 | A kind of floating breakwater configuring the arc wave resistance wing and power generator |
| CN109594522B (en) * | 2018-12-04 | 2021-01-05 | 河海大学 | Floating breakwater provided with arc-shaped wave wings and power generation device |
| CN110409367A (en) * | 2019-08-27 | 2019-11-05 | 天津大学 | Using the floating pectination breakwater device of wave energy and application |
| CN110409367B (en) * | 2019-08-27 | 2023-12-01 | 天津大学 | Floating comb-shaped breakwater device capable of utilizing wave energy and application |
| CN111273048A (en) * | 2020-03-09 | 2020-06-12 | 上海勘测设计研究院有限公司 | Wind cap of Doppler current meter |
| CN111273048B (en) * | 2020-03-09 | 2022-03-08 | 上海勘测设计研究院有限公司 | Wind cap of Doppler current meter |
| CN112411468A (en) * | 2020-12-08 | 2021-02-26 | 宁波大学 | Flexible floating breakwater |
| CN114735147A (en) * | 2022-04-07 | 2022-07-12 | 江苏科技大学 | Anti-wind-wave floating type offshore photovoltaic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107386201B (en) | 2020-06-09 |
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