CN113981885A - Long-period wave sea area wave dissipation protection structure and construction method - Google Patents
Long-period wave sea area wave dissipation protection structure and construction method Download PDFInfo
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- CN113981885A CN113981885A CN202111330498.4A CN202111330498A CN113981885A CN 113981885 A CN113981885 A CN 113981885A CN 202111330498 A CN202111330498 A CN 202111330498A CN 113981885 A CN113981885 A CN 113981885A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 127
- 238000004873 anchoring Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
A long-period wave sea area wave dissipation protective structure and a construction method thereof are provided, wherein the protective structure comprises a protective device and an anchoring device; the protective device comprises a plurality of water bags, and a limiting device for controlling the volume of the water bags and a water inlet and outlet control device for controlling the water inlet and outlet states of the water bags are arranged on the outer side surfaces of the water bags; a flexible connector is arranged between the adjacent water bags; the number of the protection devices is two or more, and a detachable connecting device is arranged between every two adjacent protection devices; the anchoring device is connected with the limiting device. The whole structure is reasonable in design and convenient to operate, and by the construction method, the effective reduction range of the water surface breakwater on the long-period waves is expanded while the cost and the implementation difficulty are reduced, and the long-period waves are effectively weakened.
Description
Technical Field
The invention belongs to the technical field of coastal engineering, and particularly relates to a long-period wave sea area wave-dissipating protection structure and a construction method.
Background
With the rapid development of economy, people have started to focus on offshore, deepwater and harbour construction research under complex foundation conditions. In the construction process, the offshore and deepwater construction system is usually in a non-shielding state, and is often attacked by strong wind, waves and dark current when being constructed in the offshore, and the project period is greatly prolonged without effective temporary protection measures. Especially, long-period waves of more than 10s have large energy and great difficulty in wave elimination. The traditional dam type breakwater has the limitations of difficult construction, high construction cost, serious damage to the water area environment and the like especially under the conditions of soft soil foundation and deep water. The water surface breakwater is developed rapidly in order to adapt to different water areas, reduce construction difficulty, improve water body circulation in the water areas and reduce construction cost.
The existing ordinary water surface breakwater only plays a role in blocking waves through wave absorbing main bodies such as box-type bodies, air bags and wave absorbing plates, but the wave absorbing main bodies are hollow with the water bottom, so that a large amount of water flow space is reserved, the waves are easy to penetrate through, and when the ratio of the wavelength of the waves to the size of the wave absorbing main bodies is larger than a certain amount, the waves almost completely penetrate through the wave absorbing main bodies to enable the breakwater to fail. If the method of adding the water surface breakwater size is adopted, the wave-absorbing main body becomes an oversized floating body, the manufacturing cost is high, and the transportation is not facilitated; the special advantages of the common water surface breakwater are lost.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a long-period wave-eliminating protection structure for sea areas and a construction method, and aims to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a long-period wave dissipation protective structure in sea areas comprises:
a guard and an anchor;
the protective device comprises a plurality of water bags, and a limiting device for controlling the volume of the water bags and a water inlet and outlet control device for controlling the water inlet and outlet states of the water bags are arranged on the outer side surfaces of the water bags;
a flexible connector is arranged between the adjacent water bags;
the number of the protection devices is two or more, and a detachable connecting device is arranged between every two adjacent protection devices;
the anchoring device is connected with the limiting device.
Preferably, the water bag is of a long strip-shaped structure, and the limiting device comprises a plurality of hoops which are sleeved on the outer side face of the water bag and are arranged along the extending direction of the water bag.
Preferably, the anchoring device comprises an anchor chain and a suction anchor, and two ends of the anchor chain are respectively connected with the anchor ear and the suction anchor.
Preferably, the hoop comprises a fixed ring, a hoop plate and a pressure control plate;
the hoop plate is annular and is sleeved on the outer side surface of the water bag;
the fixed circular ring is arranged at one end of the hoop plate and is used for connecting the anchor chain;
the pressure control plate is arranged at the other end of the hoop plate and is used for controlling the diameter of the hoop plate.
Preferably, the inside of suction anchor is the cavity form the inside of suction anchor is equipped with a plurality of cavity portion be equipped with the drain pipe on the cavity portion, be used for detecting hydraulic pressure's in the cavity portion water pressure sensor and be used for detecting the atmospheric pressure's in the cavity portion atmospheric pressure's baroceptor, the bottom of suction anchor is the opening form.
Preferably, the water inlet and outlet control device is a water inlet and outlet control ring, and a bidirectional water inlet valve and a bidirectional water outlet valve are arranged on the water inlet and outlet control ring.
Preferably, the flexible connector is a flexible wave-absorbing film.
Preferably, the diameter of the water bag is 2m to 3m, a protective shell covers the outside of the water bag, and the protective shell is made of carbon steel lining polyethylene.
Preferably, the connecting device comprises annular locking parts arranged at two ends of the water bag in the extension direction, and the two adjacent annular locking parts are buckled with each other.
The invention also comprises a construction method of the long-period wave-dissipating protection structure in the sea area, which adopts the long-period wave-dissipating protection structure in the sea area and comprises the following steps:
s1, respectively installing the protection device and the anchoring device and dragging the protection device and the anchoring device to a construction site;
s2, connecting the anchoring device with the protective device, discharging gas and water in a cavity of the suction anchor through an air extractor and a drain pipe, and sinking and fixing the suction anchor to a specified position on the seabed by using air pressure and water pressure;
s3, pumping air into each water bag to enable the water bags to float on the water surface;
s4, irrigating water into the water bag, and adjusting the length of the anchor chain to be straight, so that the water-entering depth of the long-period wave sea area wave-breaking protection structure is adjusted;
s5, another wave-breaking protection structure for wave-breaking sea areas with long period waves is continuously installed according to the method in the steps S2-S4, and the two wave-breaking protection structures for wave-breaking sea areas with long period waves are connected through the annular locking fastener;
and S6, finally, arranging multiple rows of wave-breaking embankments in parallel at wide intervals according to actual needs, repeating the operation, and installing multiple long-period wave-breaking protection structures in the sea area to achieve an ideal wave-breaking effect.
Compared with the prior art, the invention has the beneficial effects that:
the long-period wave-dissipating protection structure in the sea area is reasonable in structural design and convenient to operate, and by the construction method, the effective reduction range of the water surface breakwater on the long-period waves is expanded while the cost and the implementation difficulty are reduced, and the long-period waves are effectively weakened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the protection device of the present invention.
Fig. 2 is a side view of the guard of the present invention.
Fig. 3 is a schematic structural view of the water bladder of the present invention.
Fig. 4 is a schematic structural view of the hoop marked in the direction of a-a in fig. 3.
Fig. 5 is a schematic structural diagram of the water inlet and outlet control ring in the direction of mark B-B of fig. 3.
Fig. 6 is a schematic structural view of the anchoring device of the present invention.
Fig. 7 is a top view of the suction anchor of the present invention.
Fig. 8 is a schematic view of the long-period wave sea area wave-breaking protection structure of the present invention.
Description of reference numerals:
1-a protection device, 100-a water bag, 200-a hoop, 201-a fixed ring, 202-a hoop plate, 203-a pressure control plate, 500-a water inlet and outlet control ring, 501-a bidirectional water inlet valve, 502-a bidirectional water outlet valve, 600-a flexible wave-absorbing film and 700-an annular lock catch piece;
2-anchoring device, 300-anchor chain, 400-suction anchor, 401-cavity part, 402-drain pipe, 403-water pressure sensor and 404-air pressure sensor.
Detailed Description
In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 8:
a long-period wave dissipation protective structure in sea areas comprises:
a shielding device 1 and an anchoring device 2;
the protection device 1 comprises a plurality of water bags 100, wherein a limiting device for controlling the volume of the water bags 100 and a water inlet and outlet control device for controlling the water inlet and outlet states of the water bags are arranged on the outer side surfaces of the water bags 100;
a flexible connecting body is arranged between the adjacent water bags 100;
the number of the protection devices 1 is two or more, and a detachable connecting device is arranged between every two adjacent protection devices 1; the protection device 1 can be arranged in parallel in a plurality of rows of breakwater width intervals.
The anchoring device 2 is connected with the limiting device.
Specifically, the water bag 100 is of a strip-shaped structure, and the limiting device comprises a plurality of hoops 200 which are sleeved on the outer side surface of the water bag 100 and are arranged along the extending direction of the water bag.
Specifically, the anchoring device 2 includes an anchor chain 300 and a suction anchor 400, and both ends of the anchor chain 300 are connected to the anchor ear 200 and the suction anchor 400, respectively.
Specifically, the hoop 200 comprises a fixing ring 201, a hoop plate 202 and a pressure control plate 203;
the hoop plate 202 is annular and is sleeved on the outer side surface of the water bag 100;
the fixed ring 201 is arranged at one end of the hoop plate 202, and the fixed ring 201 is used for connecting the anchor chain 300;
the pressure control plate 203 is disposed at the other end of the hoop plate 202 and is used for controlling the diameter of the hoop plate 202.
Specifically, the interior of the suction anchor 400 is hollow, a plurality of cavity portions 401 are arranged in the suction anchor 400, a drain pipe 402, a water pressure sensor 403 for detecting water pressure in the cavity portions 401, and an air pressure sensor 404 for detecting air pressure in the cavity portions 401 are arranged in the cavity portions 401, and the bottom of the suction anchor 400 is open.
Specifically, the water inlet and outlet control device is a water inlet and outlet control ring 500, and a bidirectional water inlet valve 501 and a bidirectional water outlet valve 502 are arranged on the water inlet and outlet control ring 500.
Specifically, the flexible connector is a flexible wave-damping film 600.
Specifically, the diameter of water pocket 100 is 2m to 3m, just the outside of water pocket 100 covers there is the one deck protective housing, the protective housing is carbon steel lining polyethylene material. Has good seawater corrosion resistance.
Specifically, the connecting device includes annular locking members 700 provided at both ends of the water bladder 100 in the extending direction, and two adjacent annular locking members 700 are fastened to each other.
By adopting the structure, the long-period wave sea area wave dissipation protection structure is reasonable in design, can be quickly assembled and repeatedly used, and reduces the cost; the water sac 100 and the flexible wave-eliminating film 600 filled in the water body can fully utilize the turbulence and reflection of the water body to dissipate the energy of the long-period waves, so that the wave-eliminating characteristic is greatly improved; meanwhile, the water inlet depth of the long-period wave-dissipating protection structure can be adjusted through the anchoring device 2, the water bag 100 and the water inlet and outlet control ring 500, and the long-period wave-dissipating protection structure is suitable for dissipating waves of long-period waves during offshore construction of long-period sea areas.
The invention also comprises a construction method of the long-period wave-dissipating protection structure in the sea area, which adopts the long-period wave-dissipating protection structure in the sea area and comprises the following steps:
s1, respectively installing and dragging the protection device 1 and the anchoring device 2 to a construction site;
s2, connecting the anchoring device 2 with the protective device 1, discharging the gas and water in the cavity 401 of the suction anchor 400 through the air extractor and the water discharge pipe 402, and sinking and fixing the suction anchor 400 to the designated position of the sea bottom by using air pressure and water pressure;
s3, pumping air into each water bag 100 to enable the water bags 100 to float on the water surface;
s4, irrigating water into the water bag 100, and adjusting the length of the anchor chain 300 to be straight, so that the water penetration depth of the long-period wave sea area wave-breaking protection structure is adjusted;
s5, another wave-breaking protection structure for wave-breaking sea areas with long period waves is continuously installed according to the method in the steps S2-S4, and the two wave-breaking protection structures for wave-breaking sea areas with long period waves are connected through the annular locking fastener 700;
and S6, finally, arranging multiple rows of wave-breaking embankments in parallel at wide intervals according to actual needs, repeating the operation, and installing multiple long-period wave-breaking protection structures in the sea area to achieve an ideal wave-breaking effect.
The technical scheme has the advantages that the water bag 100, the hoop 200, the water inlet and outlet control ring 500, the flexible wave-absorbing film 600, the annular locking piece 700, the anchor chain 300 and the suction anchor 400 can be prefabricated and installed on land, can be quickly assembled and repeatedly used, and are suitable for wave absorption of long-period waves during marine construction of long-period sea areas.
In conclusion, the beneficial effects are as follows:
(1) the long-period wave-dissipating protection structure for the sea area has reasonable structural design, can be prefabricated on land, is assembled quickly and can be used repeatedly;
(2) the water sac 100 and the flexible wave-eliminating film 600 filled with water can fully utilize the turbulence and reflection of the water body to eliminate waves, so that the wave-eliminating characteristic of the water sac 100 and the flexible wave-eliminating film to long-period waves is greatly improved;
(3) the water inlet depth of the long-period wave-breaking protection structure can be adjusted and the multiple rows of wave-breaking embankments are arranged in parallel at wide intervals through the anchoring device 2, the water bag 100 and the water inlet and outlet control ring 500, so that the long-period wave-breaking protection structure is suitable for breaking waves of long-period waves during offshore construction of long-period sea areas.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A long-period wave dissipation protective structure in sea area is characterized by comprising:
a guard and an anchor;
the protective device comprises a plurality of water bags, and a limiting device for controlling the volume of the water bags and a water inlet and outlet control device for controlling the water inlet and outlet states of the water bags are arranged on the outer side surfaces of the water bags;
a flexible connector is arranged between the adjacent water bags;
the number of the protection devices is two or more, and a detachable connecting device is arranged between every two adjacent protection devices;
the anchoring device is connected with the limiting device.
2. The long-period wave-dissipating protection structure of claim 1, wherein the water bag is a strip-shaped structure, and the position-limiting device comprises a plurality of hoops sleeved on the outer side surface of the water bag and arranged along the extending direction of the water bag.
3. The long-period wave-breaking protection structure for the sea area according to claim 2, wherein the anchoring device comprises an anchor chain and a suction anchor, and two ends of the anchor chain are respectively connected with the anchor hoop and the suction anchor.
4. The long-period wave-breaking protection structure for sea areas of claim 3, wherein the hoop comprises a fixing ring, a hoop plate and a pressure control plate;
the hoop plate is annular and is sleeved on the outer side surface of the water bag;
the fixed circular ring is arranged at one end of the hoop plate and is used for connecting the anchor chain;
the pressure control plate is arranged at the other end of the hoop plate and is used for controlling the diameter of the hoop plate.
5. The long-period wave-dissipating protection structure of claim 3, wherein the suction anchor is hollow, the suction anchor is provided with a plurality of hollow parts, the hollow parts are provided with a drain pipe, a water pressure sensor for detecting water pressure in the hollow parts and an air pressure sensor for detecting air pressure in the hollow parts, and the bottom of the suction anchor is open.
6. The long-period wave-dissipating protection structure of claim 1, wherein the water inlet and outlet control device is a water inlet and outlet control ring, and the water inlet and outlet control ring is provided with a bidirectional water inlet valve and a bidirectional water outlet valve.
7. The long-period wave-breaking protection structure for sea areas of claim 1, wherein the flexible connector is a flexible wave-breaking film.
8. The long-period wave-dissipating protection structure of claim 1, wherein the diameter of the water bag is 2m to 3m, and a protective shell is covered outside the water bag, and the protective shell is made of carbon steel lined with polyethylene.
9. The long-period wave-dissipating protection structure of claim 1, wherein said connecting means includes ring-shaped locking members provided at both ends of said water bag in the extending direction, and two adjacent ring-shaped locking members are fastened to each other.
10. A construction method of a long-period wave-dissipating protection structure in the sea area, which is characterized in that the long-period wave-dissipating protection structure in the sea area of any one of claims 1 to 9 is adopted, and the steps are as follows:
s1, respectively installing the protection device and the anchoring device and dragging the protection device and the anchoring device to a construction site;
s2, connecting the anchoring device with the protective device, discharging gas and water in a cavity of the suction anchor through an air extractor and a drain pipe, and sinking and fixing the suction anchor to a specified position on the seabed by using air pressure and water pressure;
s3, pumping air into each water bag to enable the water bags to float on the water surface;
s4, irrigating water into the water bag, and adjusting the length of the anchor chain to be straight, so that the water-entering depth of the long-period wave sea area wave-breaking protection structure is adjusted;
s5, another wave-breaking protection structure for wave-breaking sea areas with long period waves is continuously installed according to the method in the steps S2-S4, and the two wave-breaking protection structures for wave-breaking sea areas with long period waves are connected through the annular locking fastener;
and S6, finally, arranging multiple rows of wave-breaking embankments in parallel at wide intervals according to actual needs, repeating the operation, and installing multiple long-period wave-breaking protection structures in the sea area to achieve an ideal wave-breaking effect.
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CN201280709Y (en) * | 2008-10-13 | 2009-07-29 | 福建省水产研究所 | Improved moveable wave absorber |
US20140178130A1 (en) * | 2012-12-21 | 2014-06-26 | II Kaichiro KAMEI | Wave dissipating device |
CN107386199A (en) * | 2017-07-27 | 2017-11-24 | 武汉理工大学 | A kind of pendulum multilayer bellows wave absorber and method |
CN109162243A (en) * | 2018-10-29 | 2019-01-08 | 江苏科技大学 | A kind of combined flexible and floating type breakwater of multipurpose |
CN111058418A (en) * | 2020-01-09 | 2020-04-24 | 滁州欣皓工程技术有限公司 | Combined air bag floating breakwater and construction method thereof |
-
2021
- 2021-11-11 CN CN202111330498.4A patent/CN113981885A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201280709Y (en) * | 2008-10-13 | 2009-07-29 | 福建省水产研究所 | Improved moveable wave absorber |
US20140178130A1 (en) * | 2012-12-21 | 2014-06-26 | II Kaichiro KAMEI | Wave dissipating device |
CN107386199A (en) * | 2017-07-27 | 2017-11-24 | 武汉理工大学 | A kind of pendulum multilayer bellows wave absorber and method |
CN109162243A (en) * | 2018-10-29 | 2019-01-08 | 江苏科技大学 | A kind of combined flexible and floating type breakwater of multipurpose |
CN111058418A (en) * | 2020-01-09 | 2020-04-24 | 滁州欣皓工程技术有限公司 | Combined air bag floating breakwater and construction method thereof |
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