CN104452662B - A kind of framework hole film floating breakwater cell cube - Google Patents
A kind of framework hole film floating breakwater cell cube Download PDFInfo
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- CN104452662B CN104452662B CN201410709332.7A CN201410709332A CN104452662B CN 104452662 B CN104452662 B CN 104452662B CN 201410709332 A CN201410709332 A CN 201410709332A CN 104452662 B CN104452662 B CN 104452662B
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- cell cube
- floating breakwater
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- 239000010408 film Substances 0.000 claims description 88
- 239000000463 material Substances 0.000 claims description 20
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002365 multiple layer Substances 0.000 claims description 4
- 229920004934 Dacron® Polymers 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
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- 239000003643 water by type Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 10
- 208000002740 Muscle Rigidity Diseases 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
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- 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
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- 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 framework hole film floating breakwater cell cube, comprise the cuboid framework be made up of 12 ribs, the upper surface of described cuboid framework is equipped with the level that is connected with rib to top hole film, distance upper surface to lower surface short transverse decile be provided with level that multilayer is connected with cuboid framework rear and front end to middle and lower part loose hole film, and the length of described level loose hole film to middle and lower part is greater than the length of described cuboid framework; The face, rear and front end of described cuboid framework is equipped with the vertical hole film be connected with rib respectively; 8 angles place of described cuboid frame construction is also provided with for the assembled clasp with being connected mooring.Wave absorbing effect of the present invention is good, and structure recovery power is little, all has good shielding effect to long wave and shortwave.Construction simultaneously and easy to maintenance, is applicable to different water depth and is not suitable for building the waters of traditional form mole.
Description
Technical field
The invention belongs to field of ocean engineering, relate to a kind of mole, more particularly, relate to a kind of framework hole film floating breakwater cell cube.
Background technology
Mole is a kind of common harbour, coastal structures, is mainly used in the wave defending off-lying sea to transmit, provides stable stevedoring operations environment, and protect other port structure things.Usually mole is divided into stationary structure and the large class of floating structure two.Compared with fixed breakwater structure, floating breakwater has many advantages: they can be moved to another place from a place; Construction site is subject to the impact of the depth of water and geological conditions hardly; Build rapidly, this has extremely important meaning in Military Application; Can be used as temporary preventive measure for screening harbour facilities and marine works, making it to reduce and destroying.Therefore, in recent years the investigation and application of floating breakwater is more and more come into one's own in anti-ripple field.
Floating breakwater can be divided into rigidity floating embankment and flexible floating embankment according to the elastic performance of structure, and rigidity floating embankment under the wave action remarkable distortion does not occur, as box floating embankment; Flexible floating embankment can change its shape, under the wave action as raft formula floating embankment.
Greatest difficulty in the development of rigidity floating embankment is that the buoyancy aid natural period is less, and namely the restoring force of buoyancy aid is large, and it can vibrate under the wave action, affects wave absorbing effect.Field trial also confirms, current with regard to being made for regard to buoyancy aid that practical, its scale allows for general knowledge, may expect sufficient wave absorbing effect hardly.Therefore, need to manage to increase its natural period.
Flexible floating embankment is generally built than being easier to, flexibly, needing less manpower and plant equipment, and can reduce trend interference, produce less back wave, mooring force is less than rigidity floating embankment.When the depth of water is larger, utilize flexible material to build floating breakwater, expense is than adopting the floating breakwater of fixed mole and other type greatly to reduce, but its effect of energy dissipation is generally not as rigidity floating embankment, particularly general to the shielding effect of long wave.
Floating breakwater wave absorbing function can be divided into positive wave absorption and passive wave absorption.Weaken wave energy by reflection and friction, belong to passive wave absorption, if only rely on these effects to increase wave dissipation effect, the scale of buoyancy aid will become very huge, and this situation is irrational.By the kinetic energy that wave energy conversion is new, belong to positive wave absorption, if incidence wave energy almost all converts the kinetic energy of buoyancy aid to, in this case, wave dissipation effect is extremely good.Researcher thinks that utilization has the character of individual event buoyancy aid, and development has the buoyancy aid form of composite construction, and make it disappear in unrestrained mechanism, the reflection, friction, power conversion etc. of phase difference can be worked simultaneously, are the research directions of floating breakwater from now on.
The patent No. is ZL201310066910.5, the patent of invention that name is called " a kind of assemblnig anti-ripple energy dissipating transmission box list buoyancy aid ", by arranging swash plate and central flat in buoyancy tank inside, form transmission casing, buoyancy tank both sides (to extra large side with to side, land) arrange imitative wing bifurcation structure and carry out turbulent fluctuation energy dissipating, and wave attenuation coefficient can reach about 0.8.This structure is the rigidity floating embankment of steel or steel concrete material, it is less still to fail to solve very well the buoyancy tank natural period, the easy problem that vibration occurs, and structure belongs to passive wave absorption, also should in conjunction with flexible floating embankment feature, be that new kinetic energy carries out positive wave absorption, to reach appropriate design and wave dissipation effect by wave energy conversion.
Summary of the invention
The object of the invention is to overcome the problem existing for above-mentioned existing floating breakwater and defect, propose a kind of novel framework hole film floating breakwater cell cube.This framework hole film floating breakwater cell cube is assembled into floating breakwater and not only has good effect of energy dissipation, and has the advantage of flexible and floating type mole concurrently, overcomes little problem of box floating embankment natural period.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of framework hole film floating breakwater cell cube, comprise the cuboid framework 1 be made up of 12 ribs, the upper surface of described cuboid framework 1 is equipped with the level that is connected with rib to top hole film 2, distance height H direction, upper surface to lower surface decile be provided with level that multilayer is connected with cuboid framework 1 rear and front end to middle and lower part loose hole film 3, and the length of described level loose hole film 3 to middle and lower part is greater than the length L of described cuboid framework 1; The face, rear and front end of described cuboid framework 1 is equipped with the vertical hole film 4 be connected with rib respectively; 8 angles place of described cuboid frame construction 1 is also provided with for the assembled clasp 5 with being connected mooring.
The height H of described cuboid framework 1 is wave height+(1 ~ 2m); Length L is the ratio large 0.3 than incident wavelength; Width is 1/2 of incident wavelength.
The length of described level loose hole film 3 to middle and lower part is L+ (0.1 ~ 0.2) L.
The interlamellar spacing of described multiple-layer horizontal loose hole film 3 to middle and lower part is (0.1 ~ 0.3) H.
Described level is 10% ~ 20% to the percent opening of top hole film 2, and the percent opening of described level loose hole film 3 to middle and lower part is 5% ~ 15%, and the percent opening of described vertical hole film 4 is 50% ~ 70%.
The material of described level loose hole film 3 and vertical hole film 4 to top hole film 2, level to middle and lower part is high-strength thin-film material.
The material of described level loose hole film 3 and vertical hole film 4 to top hole film 2, level to middle and lower part is preferably glass fiber synthetic materials or dacron synthetic materials.
The material of described cuboid framework 1 is the steel scribbling anti-corrosion material.
The rear and front end of described cuboid framework 1 is also provided with the cross bar for connecting described level loose hole film 3 to middle and lower part.
The major advantage of a kind of framework hole film floating breakwater cell cube of the present invention:
1, a kind of framework hole film floating breakwater cell cube of the present invention is ZL201310066910.5 in the patent No., on the basis of patent of invention that name is called " a kind of assemblnig anti-ripple energy dissipating transmission box list buoyancy aid ", improves body structure further.In framework, utilize flexible material to replace Semi-rigid materials, reduce the rigidity of structure, increase its natural vibration period, solve the problem that casing restoring force is large.
2, casing of the present invention is compound hollow structure, is disappearing in unrestrained mechanism, is making full use of positive wave absorption, and power conversion, friction, reflection etc. can be worked simultaneously.When wave propagation is to mole, Parallel to the flow direction and front and back hole film 4 interact, and the original orbital motion of water particle is destroyed, and produce turbulent flow; Box house arranges multilayer hole film 3, and Wave energy transfer produces compliant motion, further promotes the energy abatement of wave in mole inside; Hole film 2 is arranged in close to water surface place in short transverse, and hole design can reduce overtopping wave; All perforates on hole film 2,3, can further disorderly current, form the wave train and interfere energy dissipating.
3, casing deadweight of the present invention is comparatively light, and water-touching area is large, independently can provide buoyancy, the auxiliary of buoyancy tank can not be needed to carry out work, thus cost-saving.
The beneficial effect of a kind of framework hole film floating breakwater cell cube of the present invention:
1, wave absorbing effect is good.Framework hole film floating breakwater cell cube of the present invention mainly reaches by multiple-layer horizontal, the vertical disturbance of hole film to wave the unrestrained object that disappears, take full advantage of positive wave absorption, and combine other Energy Dissipation Modes such as wave energy reflection, wave train interference, turbulent fluctuation power consumption.Indoor prototype experiment shows, energy dissipation ratio >=0.8 of its wave.In addition, framework hole film floating breakwater cell cube of the present invention, by the multistage layout in front and back, can reach the effect of energy dissipating step by step, wave absorption, also can solve the existing floating breakwater problem bad to the shielding effect of long wave preferably.
2, the impact of the motion generation of framework hole film floating breakwater cell cube of the present invention itself is little.This dike type is composite construction, and along with the increasing of natural vibration period, casing restoring force reduces, and the radiated wave that himself motion produces also will obviously reduce; Dike type overall volume is less, and the mooring force that floating motion causes is limited, and porous structure also serves the effect reducing mooring force to a certain extent.
3, framework hole film floating breakwater cell cube of the present invention is installed rapidly, and construction maintenance is convenient, and cost is lower.Cell cube can batch production prefabricated, have very strong mobility at construction party mask; Dead load is little, more easy to maintenance than floating breakwaters such as existing floating box types, drags disembarkation or directly easy to maintenance in water, directly changes the rod member damaged or film just can allow floating breakwater continue to play a role; Also do not need complicated connector between element of construction, this point can reduce a lot of inconvenience brought because of connector fault.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
In figure: 1. cuboid framework; 2. level spreads hole film to top horizontal; 3. level to middle and lower part loose hole film; 4. vertical hole film; 5. clasp; L. the length of cuboid framework; H. the height of cuboid framework.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.Should be understood that this embodiment is only for illustration of the present invention, is not limited to scope.In addition should be understood that after the content of having read the present invention's record, those skilled in the art, to the change of the various equivalent and equivalents that the present invention makes and amendment, all fall within the application's patent claims limited range.
Mooring mode of the present invention and layout can according to practice in different ways.Determine integrally-built length, width and the degree of depth according to the depth of water in practical application marine site, geology and ripple condition condition, and then determine the material of hole film, size, the number of plies and percent opening.
As shown in Figure 1, be the schematic perspective view of a kind of framework hole film floating breakwater cell cube embodiment of the present invention.A kind of framework hole film floating breakwater cell cube of the present invention, comprise the cuboid framework 1 be made up of 12 ribs, the upper surface of described cuboid framework 1 is equipped with the level that is connected with rib to top hole film 2, distance height H direction, upper surface to lower surface etc. point arrange the level that haves three layers and be connected with cuboid framework 1 rear and front end to middle and lower part loose hole film 3, and the length of described level loose hole film 3 to middle and lower part is greater than the length L of described cuboid framework 1; The face, rear and front end of described cuboid framework 1 is equipped with the vertical hole film 4 be connected with rib respectively; 8 angles place of described cuboid frame construction 1 is also provided with for the assembled clasp 5 with being connected mooring.Wherein, the height H of described cuboid framework 1 is wave height+(1 ~ 2m); Length L is the ratio large 0.3 than incident wavelength; Width is 1/2 of incident wavelength.The length of described level loose hole film 3 to middle and lower part is L+ (0.1 ~ 0.2) L.The interlamellar spacing of described multiple-layer horizontal loose hole film 3 to middle and lower part is (0.1 ~ 0.3) H.Described level is 10% ~ 20% to the percent opening of top hole film 2, and the percent opening of described level loose hole film 3 to middle and lower part is 5% ~ 15%, and the percent opening of described vertical hole film 4 is 50% ~ 70%.The material of described level loose hole film 3 and vertical hole film 4 to top hole film 2, level to middle and lower part is high-strength thin-film material.The material of described level loose hole film 3 and vertical hole film 4 to top hole film 2, level to middle and lower part is preferably glass fiber synthetic materials or dacron synthetic materials.The material of described cuboid framework 1 is the steel scribbling anti-corrosion material.The rear and front end of described cuboid framework 1 is also respectively arranged with the cross bar for connecting described level loose hole film 3 to middle and lower part.
A kind of framework hole film floating breakwater cell cube of the present invention passes through indoor prototype experiment in kind, wherein: experiment depth of water 0.5m; The wave height of element of wave is 0.12 ~ 0.15m, and wavelength is 1.5m ~ 4.0m, and the cycle is 1.0s ~ 2.0s; The length of frame construction 1 is 1.3m, width same with experimental tank, and be highly 0.3m, hole film 3 length is 1.35m; Hole film 2 percent opening gets 15%, and hole film 3 percent opening gets 10%, and the front film percent opening of hole film 4 is 70%, and rear film percent opening is 50%; Obtained experimental result wave attenuation coefficient >=0.8, therefore the present invention has very superior wave absorption performance.
Claims (9)
1. a framework hole film floating breakwater cell cube, comprise the cuboid framework (1) be made up of 12 ribs, it is characterized in that: the upper surface of described cuboid framework (1) is equipped with the level that is connected with rib to top hole film (2), distance height H direction, upper surface to lower surface decile be provided with level that multilayer is connected with cuboid framework (1) rear and front end to middle and lower part loose hole film (3), and the length of described level loose hole film (3) to middle and lower part is greater than the length L of described cuboid framework (1); The face, rear and front end of described cuboid framework (1) is equipped with the vertical hole film (4) be connected with rib respectively; 8 angles place of described cuboid framework (1) is also provided with for the assembled clasp (5) with being connected mooring.
2. a kind of framework hole film floating breakwater cell cube according to claim 1, is characterized in that: the height H of described cuboid framework (1) is wave height+(1 ~ 2m); Length L is the ratio large 0.3 than incident wavelength; Width is 1/2 of incident wavelength.
3. a kind of framework hole film floating breakwater cell cube according to claim 1, is characterized in that: the length of described level loose hole film (3) to middle and lower part is L+ (0.1 ~ 0.2) L.
4. a kind of framework hole film floating breakwater cell cube according to claim 1, is characterized in that: the interlamellar spacing of described multiple-layer horizontal loose hole film (3) to middle and lower part is (0.1 ~ 0.3) H.
5. a kind of framework hole film floating breakwater cell cube according to claim 1, it is characterized in that: described level is 10% ~ 20% to the percent opening of top hole film (2), the percent opening of described level loose hole film (3) to middle and lower part is for being 5% ~ 15%, and the percent opening of described vertical hole film (4) is 50% ~ 70%.
6. a kind of framework hole film floating breakwater cell cube according to claim 1 or 5, is characterized in that: the material of described level loose hole film (3) and vertical hole film (4) to top hole film (2), level to middle and lower part is high-strength thin-film material.
7. a kind of framework hole film floating breakwater cell cube according to claim 1 or 5, is characterized in that: the material of described level loose hole film (3) and vertical hole film (4) to top hole film (2), level to middle and lower part is glass fiber synthetic materials or dacron synthetic materials.
8. a kind of framework hole film floating breakwater cell cube according to claim 1 and 2, is characterized in that: the material of described cuboid framework (1) is the steel scribbling anti-corrosion material.
9. a kind of framework hole film floating breakwater cell cube according to claim 1 and 2, is characterized in that: the rear and front end of described cuboid framework (1) is also provided with the cross bar for connecting described level loose hole film (3) to middle and lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709332.7A CN104452662B (en) | 2014-11-27 | 2014-11-27 | A kind of framework hole film floating breakwater cell cube |
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| CN201410709332.7A CN104452662B (en) | 2014-11-27 | 2014-11-27 | A kind of framework hole film floating breakwater cell cube |
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| CN104452662A CN104452662A (en) | 2015-03-25 |
| CN104452662B true CN104452662B (en) | 2016-02-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107458551A (en) * | 2016-06-06 | 2017-12-12 | 朱剑文 | Multiple buoyancy is on an even keel or the hull that berths |
| CN107458548A (en) * | 2016-06-06 | 2017-12-12 | 朱剑文 | Porous media material wave absorption stability float module |
| CN107458550A (en) * | 2016-06-06 | 2017-12-12 | 朱剑文 | Air cushion auto-strengthening bogey is carried under adjustable overlapping stable floating water |
| CN110342131A (en) * | 2018-04-02 | 2019-10-18 | 南通中集罐式储运设备制造有限公司 | Vehicle and its tank body |
| CN110226547B (en) * | 2019-06-14 | 2021-04-27 | 福州大学 | Wave-proof fish raft buoyancy tank |
| CN111691363A (en) * | 2020-07-06 | 2020-09-22 | 广东省海洋地质调查院 | Breakwater capable of carrying out sufficient water body exchange with open sea and wave-absorbing method |
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|---|---|---|---|---|
| US3222870A (en) * | 1962-03-12 | 1965-12-14 | Us Rubber Co | Wave damping apparatus |
| JPS49103450A (en) * | 1973-02-05 | 1974-09-30 | ||
| CN1207072A (en) * | 1995-12-06 | 1999-02-03 | 弗雷德·奥尔森 | Wave dampener for floating structures |
| CN103147423A (en) * | 2013-03-04 | 2013-06-12 | 江苏科技大学 | Water-breaking energy-dissipation permeable box type single floating body capable of being assembled |
| JP2014122506A (en) * | 2012-12-21 | 2014-07-03 | Kaichiro Kamei | Breakwater device |
| CN204252071U (en) * | 2014-11-27 | 2015-04-08 | 江苏科技大学 | A kind of framework hole film floating breakwater cell cube |
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2014
- 2014-11-27 CN CN201410709332.7A patent/CN104452662B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222870A (en) * | 1962-03-12 | 1965-12-14 | Us Rubber Co | Wave damping apparatus |
| JPS49103450A (en) * | 1973-02-05 | 1974-09-30 | ||
| CN1207072A (en) * | 1995-12-06 | 1999-02-03 | 弗雷德·奥尔森 | Wave dampener for floating structures |
| JP2014122506A (en) * | 2012-12-21 | 2014-07-03 | Kaichiro Kamei | Breakwater device |
| CN103147423A (en) * | 2013-03-04 | 2013-06-12 | 江苏科技大学 | Water-breaking energy-dissipation permeable box type single floating body capable of being assembled |
| CN204252071U (en) * | 2014-11-27 | 2015-04-08 | 江苏科技大学 | A kind of framework hole film floating breakwater cell cube |
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