CN109853468B - Floating breakwater with rigid damping structure - Google Patents
Floating breakwater with rigid damping structure Download PDFInfo
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- CN109853468B CN109853468B CN201910283108.9A CN201910283108A CN109853468B CN 109853468 B CN109853468 B CN 109853468B CN 201910283108 A CN201910283108 A CN 201910283108A CN 109853468 B CN109853468 B CN 109853468B
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- 238000013016 damping Methods 0.000 title claims abstract description 129
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000004873 anchoring Methods 0.000 claims abstract description 8
- 239000005060 rubber Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000005188 flotation Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 29
- 230000008021 deposition Effects 0.000 description 2
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- 230000003313 weakening effect Effects 0.000 description 2
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Classifications
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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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Abstract
The invention provides a floating breakwater with a rigid damping structure, which comprises an anchoring system and two buoyancy tanks, wherein a wave-dissipating damping structure is arranged between the first buoyancy tank and the second buoyancy tank, damping bodies at the same position of each layer are penetrated by a vertical round pipe, every two round pipes at each end are connected by a rectangular pipe, the rectangular pipe at the upper end of the round pipe is rigidly connected with the lower part of the first buoyancy tank, the rectangular pipe at the lower end of the round pipe is rigidly connected with the upper part of the second buoyancy tank, wave-dissipating nets are arranged between every two round pipes between every two wave-dissipating damping layers, and the wave-dissipating nets are arranged below the wave-dissipating damping layer above and above the wave-dissipating damping layer below, so that a plurality of netbooks are formed between the two wave-dissipating damping layers, and wave-dissipating balls are arranged in each netbook. The invention can not only effectively resist waves and reduce material use and engineering cost, but also effectively avoid the condition that the floating breakwater is sunk into the sea floor due to the fact that the external structure has crack water seepage, and can be used in sea areas with difficult piling.
Description
Technical Field
The invention relates to the technical field of breakwater, in particular to a floating breakwater with a rigid damping structure.
Background
The breakwater is a common port and coast engineering structure and is used for defending sea waves from invading a port area, maintaining the stability of a water area in the port, and ensuring the safe berthing, mooring, normal loading and unloading operation and passengers to go up and down in the port.
According to the research and experiment of wave theory, the wave energy is concentrated on the surface layer of the water body, and 98% of the total wave energy is concentrated in the water depth range of the triple wave height below the water surface. However, the standing and sloping breakwaters of the conventional type are completely incompatible with the material usage and wave energy distribution. Such as a sloped breakwater, uses the least material where the wave energy is most concentrated, consumes a great deal of material where the wave energy is least, and becomes very difficult as the depth of the engineering water increases. And the circulation of the water body in the shield area is limited, so that the problems of sediment deposition, coastal transition, pollution of the water body in the harbor and the like are easily generated.
Disclosure of Invention
The technical problems to be solved are as follows:
the existing breakwater is completely incompatible with the wave energy distribution rule in terms of material use, the least material is used in the place where the wave energy is most concentrated, a large amount of material is consumed in the place where the wave energy is least, and along with the increase of the depth of an engineering water area, the engineering cost is increased sharply, and the construction is very difficult. And the circulation of the water body in the shield area is limited, so that the problems of sediment deposition, coastal transition, pollution of the water body in the harbor and the like are easily generated.
The technical scheme is as follows:
in order to solve the problems, the invention provides a floating breakwater with a rigid damping structure, which comprises an anchoring system and two buoyancy tanks, wherein the anchoring system is used for fixing the buoyancy tanks, the first buoyancy tank and the second buoyancy tank are respectively in inverted trapezoid cross sections, the cross sections of the second buoyancy tank are rectangular, the first buoyancy tank is arranged at the upper part, the second buoyancy tank is arranged at the lower part, a wave-dissipating damping structure is arranged between the first buoyancy tank and the second buoyancy tank, the wave-dissipating damping structure comprises a plurality of wave-dissipating damping layers, each layer is provided with four parallel damping body groups, each damping body group comprises a plurality of damping bodies, each damping body group is respectively a first elliptic cylinder damping body group, a right triangular cylinder damping body group and a second elliptic cylinder damping body group, the damping bodies of each layer are arranged in the same way, the damping bodies of the same position are penetrated by one vertical pipe, two ends of a plurality of round pipes are connected by the pipe, the two ends of each round pipe are covered by the pipe, the connecting part of the round pipe and the round pipe is provided with the rectangular pipe, each damping body at the upper end of the round pipe is connected with the rectangular pipe, each layer is provided with two wave-dissipating damping net layers between the two layers, and the two wave-dissipating damping net layers are arranged between the two layers are arranged at the upper side of the rectangular pipe, and the two wave-dissipating damping net layers are arranged between the two layers are arranged, and the two layers are arranged between the rectangular layers are arranged, and each damping layer is arranged between the damping layer is between the damping layer and has.
The arrangement sequence of the damping bodies of each layer is as follows: the damping device comprises a first elliptic cylinder damping body group, a regular quadrangular prism damping body group, a regular triangular prism damping body group and a second elliptic cylinder damping body group sequentially from outside to inside, wherein the first elliptic cylinder damping body group is 4 elliptic cylinder damping bodies, the regular quadrangular prism damping body group is 5 regular quadrangular prism damping bodies, the regular triangular prism damping body group is 3 regular triangular prism damping bodies, the second elliptic cylinder damping body group is 5 elliptic cylinder damping bodies, the inside is close to a port, and the outside is towards the coming wave.
The surface of each damping body is wrapped with a plurality of layers of wave-resistant nets.
A multi-layer wave-resistant net is arranged between every two elliptic cylinder damping bodies of the second elliptic cylinder damping body group.
The first buoyancy tank and the second buoyancy tank are closed empty boxes made of reinforced concrete and made of rigid materials, a rubber body is arranged in the closed space, the damping body is made of stainless steel materials, and the rubber body is arranged in the closed body.
The wave-resistant net is made of one of common fishing net, nylon rope or cotton thread, and the wave-resistant ball is made of one of plastic, rubber or wood.
The mooring system comprises a mooring chain and a balancing weight, wherein the balancing weight is arranged at the bottom end of the mooring chain and is laid on the seabed, the top end of the mooring chain is connected with the first buoyancy tank and the second buoyancy tank, and the mooring chain is symmetrically arranged at the left side and the right side of the first buoyancy tank and the second buoyancy tank. The number of balancing weights is greater than 1, and the balancing weights are arranged in series on each mooring chain.
The mooring chain is made of one of polyester cables or steel wire ropes; the counterweight block is in a cube shape, and is made of metal, cement blocks or stone blocks
The width of first flotation tank and second flotation tank equal, the inside and outside both sides of first flotation tank and second flotation tank that show respectively fix a concave shaped steel board, every concave shaped steel board cover is on the rubber ring, still includes anchor chain cover at the both ends of rubber ring, the inside be close to harbour one side, the outside be towards one side of coming the unrestrained.
The rubber ring 6 is made of rubber or waste wheels, and the concave steel plate 7 and the anchor chain 8 are made of steel plates which are rigid materials.
The beneficial effects are that:
the invention provides a floating breakwater with a rigid damping structure, which not only can effectively resist waves and reduce material use and engineering cost, but also can effectively avoid the situation that the floating breakwater is sunk into the sea floor due to the fact that the floating breakwater loses buoyancy due to crack water seepage of an external structure of the traditional box-type floating breakwater, and can be used in sea areas with difficult piling.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a top view of a portion of the netpen in the wave damping structure;
fig. 3 is a left side view of the mooring system.
Figure 4 is a top view of the levee connector;
fig. 5 is a schematic view of a concave steel plate structure.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The floating breakwater with the rigid damping structure comprises an anchoring system and two floating boxes, wherein the anchoring system is used for fixing the floating boxes, the floating boxes are respectively a first floating box 1 with an inverted trapezoid cross section and a second floating box 3 with a rectangular cross section, the first floating box 1 is arranged on the upper side, the second floating box 3 is arranged on the lower side, a wave-dissipating damping structure is arranged between the first floating box 1 and the second floating box 3, the wave-dissipating damping structure comprises a plurality of layers of wave-dissipating damping layers, each layer is provided with four parallel damping body groups 2, each group comprises a plurality of damping bodies, the damping body groups 2 are respectively a first elliptic cylinder damping body group, a regular triangular cylinder damping body group and a second elliptic cylinder damping body group, the damping bodies of each layer are arranged in the same mode, damping bodies at the same position of each layer are penetrated by a vertical round tube, two ends of a plurality of round tubes are flush, two pairs of each end are connected by a rectangular tube, the joint of the round tube and the round tube is covered by the rectangular tube, and the rectangular tube at the upper end of the round tube is connected with the rectangular tube 1 below the rectangular tube and the rectangular tube at the lower end of the round tube is connected with the rectangular tube 1.
As shown in fig. 2, wave-preventing nets 4 are arranged between the circular tubes between the two wave-eliminating damping layers, the wave-preventing nets 4 are arranged below the wave-eliminating damping layer above and above the wave-eliminating damping layer below, a plurality of nettings are arranged between the two wave-eliminating damping layers, and 12-20 wave-preventing balls 5 are arranged in each nettings.
The wave-resistant net 4 is made of one of a common fishing net, a nylon rope or cotton thread, and the wave-resistant ball 5 is made of one of plastic, rubber or wood.
The invention adopts the wave-eliminating damping structure to gradually split the waves, the waves collide with each other in the damping body to eliminate the waves, and the wave-preventing net 4 surrounds the stainless steel round tube to form a plurality of small triangular prism net cages and the wave-preventing balls 5 placed in the small triangular prism net cages can well play a role in breaking the waves and weakening the wave energy. The first buoyancy tank 1 and the second buoyancy tank 3 can reflect waves to further play a role in weakening wave energy while providing buoyancy, material use and engineering cost can be reduced compared with a traditional box type floating breakwater, the situation that the floating breakwater is sunk into the sea bottom due to the fact that the floating breakwater loses buoyancy due to crack and water seepage of an external structure can be effectively avoided, the anchoring system can guarantee safe operation of the floating breakwater under the action of waves, and meanwhile normal operation can be achieved in a water area inconvenient to pile.
The first buoyancy tank 1 mainly plays a role in reflecting waves and providing buoyancy when placed at the top, and the second buoyancy tank 3 mainly plays a role in providing buoyancy when placed at the bottom and can also play a role in reflecting underwater waves.
As shown in fig. 1, the damping bodies of each layer are arranged in the following order: the damping device comprises a first elliptic cylinder damping body group, a regular quadrangular prism damping body group, a regular triangular prism damping body group and a second elliptic cylinder damping body group sequentially from outside to inside, wherein the first elliptic cylinder damping body group is 4 elliptic cylinder damping bodies, the regular quadrangular prism damping body group is 5 regular quadrangular prism damping bodies, the regular triangular prism damping body group is 3 regular triangular prism damping bodies, the second elliptic cylinder damping body group is 5 elliptic cylinder damping bodies, the inside is close to a port, the outside is towards the sea wave, and the arrangement mainly plays a role in shunting and energy dissipation.
Each damping body surface is wrapped with a plurality of layers of wave-resistant nets 4, so that the surface roughness of the damping body can be increased, and the energy of waves is weakened through friction when the waves flow through the damping body.
The wave-proof net 4 is arranged between every two elliptic cylinder damping bodies of the second elliptic cylinder damping body group, and the wave-proof net 4 can break and weaken the wave again.
The first buoyancy tank 1 and the second buoyancy tank 3 are closed empty tanks made of reinforced concrete and made of rigid materials, rubber bodies are arranged in the closed spaces, the damping bodies are closed bodies made of stainless steel materials, and the rubber bodies are arranged in the closed bodies.
As shown in fig. 3, the mooring system comprises a mooring chain 12 and a balancing weight 11, wherein one end of the mooring chain 12 is connected with the first buoyancy tank 1 and the second buoyancy tank 3, the other end of the mooring chain 12 is connected with the balancing weight 11, the mooring chain 11 is symmetrically arranged at the left side and the right side of the first buoyancy tank 1 and the second buoyancy tank 3, the mooring chain 11 is made of one of polyester cables or steel wires, the balancing weight 11 is cubic, made of metal, cement or stone, the balancing weights 11 are serially arranged at the bottom end of the mooring chain 12, one section of the bottom of the mooring chain 12 is flattened and laid on the seabed through gravity, the piling effect is achieved, the mooring chain 12 is fixed, and restoring force is provided for the mooring chain 12.
As shown in fig. 4 and 5, a proper number of floating dikes are selected according to the size of a water area to be protected, a concave steel plate 7 is fixed on the inner side and the outer side of the first floating box 1 and the second floating box 3, each concave steel plate 7 is sleeved on the rubber ring 6, and the anchor chains 8 are sleeved at the two ends of the rubber ring 6.
The concave steel plate 7 is sleeved on the rubber ring 6 and is fixed with the first buoyancy tank 1 and the second buoyancy tank 3 through bolts 10.
The rubber rings 6 are arranged between adjacent floating dikes, two rubber rings 6 are respectively arranged between every two first floating boxes 1 of the floating dikes and between every two second floating boxes 3 side by side, and are fixed through concave steel plates 7, so that damage caused by collision between the floating dikes in wave motion is avoided; the concave steel plate 7 is sleeved on the rubber ring 6 and is fixed with the upper and lower floating boxes of the floating dike through bolts 10, and the bolts 10 are adopted to facilitate replacement of the concave steel plate 7 and the rubber ring 6; the anchor chains 8 are sleeved at two ends of the rubber ring 6 to restrict the movement of the rubber ring 6 and are used for connecting two floating dikes.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that the scope of the invention shall be limited only by the claims appended hereto.
Claims (10)
1. A floating breakwater of rigid damping structure, characterized by: including anchoring system and two buoyancy tanks, anchoring system be used for fixed buoyancy tanks, be first buoyancy tank (1) cross-section for falling trapezoidal respectively and be second buoyancy tank (3) that the rectangle was taken turns to for the cross-section, first buoyancy tank (1) at last, second buoyancy tank (3) are in the bottom, be equipped with between first buoyancy tank (1) and second buoyancy tank (3) and remove unrestrained damping structure, the unrestrained damping structure of removing include multilayer unrestrained damping layer, every layer has four rows of parallel damping body group (2), and every group includes a plurality of damping bodies, damping body group (2) are first elliptic cylinder damping body group, just triangular cylinder damping body group respectively, and the damping body arrangement mode of every layer is the same, and the damping body of every layer the same position is passed by a vertical pipe, and many root canal both ends flush, two liang by the union coupling of pipe, pipe and pipe junction cover, upper end rectangular pipe and first lower side (1) and two square cylinder liner (4) are equipped with between two side and two side's the two side of the square netlike layers of the unrestrained damping of the square, and two side's of the square netlike a square nettings (4) are connected between two side rectangular pipe (4), and two side's the unrestrained damping layer is prevented to make between two rectangular pipe (4) and two side's the layer of the square netlike, and the two side of the layer of the damping between the two side rectangular netlike layers (20.
2. A floating breakwater of rigid damping structure according to claim 1, wherein: the arrangement sequence of the damping bodies of each layer is as follows: the damping device comprises a first elliptic cylinder damping body group, a regular quadrangular prism damping body group, a regular triangular prism damping body group and a second elliptic cylinder damping body group sequentially from outside to inside, wherein the first elliptic cylinder damping body group is 4 elliptic cylinder damping bodies, the regular quadrangular prism damping body group is 5 regular quadrangular prism damping bodies, the regular triangular prism damping body group is 3 regular triangular prism damping bodies, the second elliptic cylinder damping body group is 5 elliptic cylinder damping bodies, the inside is close to a port, and the outside is towards the coming wave.
3. A floating breakwater of rigid damping structure according to claim 1, wherein: the surface of each damping body is wrapped with a plurality of layers of wave-resistant nets (4).
4. A floating breakwater of rigid damping structure according to claim 2, wherein: a multi-layer wave-resistant net (4) is arranged between every two elliptic cylinder damping bodies of the second elliptic cylinder damping body group.
5. A floating breakwater of rigid damping structure according to any of claims 1-4, characterized in that: the first buoyancy tank (1) and the second buoyancy tank (3) are closed empty boxes made of reinforced concrete and made of rigid materials, rubber bodies are arranged in the closed space, and the closed bodies are made of damping bodies and stainless steel materials and rubber bodies.
6. A floating breakwater of rigid damping structure according to any of claims 1-4, characterized in that: the wave-resistant net (4) is made of one of fishing net, nylon rope or cotton thread, and the wave-resistant ball (5) is made of one of plastic, rubber or wood.
7. A floating trap for a rigid damping structure according to any one of claims 1 to 4, wherein: the mooring system comprises mooring chains (12) and balancing weights (11), wherein the balancing weights (11) are arranged at the bottom ends of the mooring chains (12) and are laid on a seabed, the top ends of the mooring chains (12) are connected with a first buoyancy tank (1) and a second buoyancy tank (3), the mooring chains (12) are symmetrically arranged on the left side and the right side of the first buoyancy tank (1), the number of the balancing weights (11) is larger than 1, and the balancing weights are arranged on each mooring chain (12) in series.
8. The floating wave shield of the rigid damping structure of claim 7, wherein: the mooring chain (12) is made of one of an anchor chain, a polyester cable or a steel wire rope; the counterweight (11) is cubic, and the counterweight (11) is made of metal, cement blocks or stone blocks.
9. A floating trap for a rigid damping structure according to any one of claims 1 to 4, wherein: the width of first flotation tank (1) and second flotation tank (3) equal, the inside and outside both sides of first flotation tank (1) and second flotation tank (3) fixed concave shaped steel board (7), every concave shaped steel board (7) cover is on rubber circle (6), still includes anchor chain (8) cover at the both ends of rubber circle (6), the inboard be close to harbour one side, the outside be towards unrestrained one side.
10. The floating wave shield of a rigid damping structure of claim 9, wherein: the rubber ring (6) is made of waste wheels, and the concave steel plates (7) and the anchor chains (8) are made of steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283108.9A CN109853468B (en) | 2019-04-10 | 2019-04-10 | Floating breakwater with rigid damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283108.9A CN109853468B (en) | 2019-04-10 | 2019-04-10 | Floating breakwater with rigid damping structure |
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| Publication Number | Publication Date |
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| CN109853468A CN109853468A (en) | 2019-06-07 |
| CN109853468B true CN109853468B (en) | 2024-03-15 |
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| CN201910283108.9A Active CN109853468B (en) | 2019-04-10 | 2019-04-10 | Floating breakwater with rigid damping structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331694A (en) * | 2019-08-20 | 2019-10-15 | 交通运输部天津水运工程科学研究所 | Floating shielding and floating breakwater |
| CN113818395A (en) * | 2021-07-28 | 2021-12-21 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Breakwater floating block unit and floating breakwater structure |
| CN218662295U (en) * | 2022-08-17 | 2023-03-21 | 百奥源环境科技(浙江)有限公司 | Wave dissipation device for waterborne photovoltaic device |
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| WO2010023028A1 (en) * | 2008-08-27 | 2010-03-04 | Clement Juergen | Damping system for a buoyant structure |
| CN103215919A (en) * | 2013-04-27 | 2013-07-24 | 江苏科技大学 | Floating bulwark with flexible structure |
| KR20130086711A (en) * | 2012-01-26 | 2013-08-05 | 김임만 | Floating breakwater |
| CN103334404A (en) * | 2013-03-25 | 2013-10-02 | 江苏科技大学 | Detachable flexible floating breakwater unit body |
| CN106836118A (en) * | 2017-03-21 | 2017-06-13 | 河海大学 | A kind of staged plant wave attenuating device for littoral zone protection |
| CN107354912A (en) * | 2017-08-31 | 2017-11-17 | 武汉理工大学 | Floating grid type subtracts stream wave absorption structure |
-
2019
- 2019-04-10 CN CN201910283108.9A patent/CN109853468B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010023028A1 (en) * | 2008-08-27 | 2010-03-04 | Clement Juergen | Damping system for a buoyant structure |
| KR20130086711A (en) * | 2012-01-26 | 2013-08-05 | 김임만 | Floating breakwater |
| CN103334404A (en) * | 2013-03-25 | 2013-10-02 | 江苏科技大学 | Detachable flexible floating breakwater unit body |
| CN103215919A (en) * | 2013-04-27 | 2013-07-24 | 江苏科技大学 | Floating bulwark with flexible structure |
| CN106836118A (en) * | 2017-03-21 | 2017-06-13 | 河海大学 | A kind of staged plant wave attenuating device for littoral zone protection |
| CN107354912A (en) * | 2017-08-31 | 2017-11-17 | 武汉理工大学 | Floating grid type subtracts stream wave absorption structure |
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| CN109853468A (en) | 2019-06-07 |
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