CN110541391B - Flexible water-permeable energy dissipation device and working method thereof - Google Patents

Flexible water-permeable energy dissipation device and working method thereof Download PDF

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Publication number
CN110541391B
CN110541391B CN201910881016.0A CN201910881016A CN110541391B CN 110541391 B CN110541391 B CN 110541391B CN 201910881016 A CN201910881016 A CN 201910881016A CN 110541391 B CN110541391 B CN 110541391B
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flexible water
permeable
net
triangular prism
edges
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CN110541391A (en
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陈橙
王佳寅
林鸿
卢锦垚
蔡懿立
张琛
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Fuzhou University
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Fuzhou University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment

Abstract

The invention relates to a flexible water-permeable energy dissipation device and a working method thereof, which are characterized in that: the flexible water-permeable energy dissipation device comprises a triangular prism-shaped frame and a flexible water-permeable net arranged on one cylindrical surface of the frame. The flexible water-permeable wave-proof energy dissipation structure adopts the flexible water-permeable net, allows water to permeate through the structural surface, and greatly improves the characteristic of large integral stress of a rigid structure; the flexible water-permeable wave-proof energy dissipation structure device is simple in arrangement and strong in operability, and can achieve the purpose of reducing the manufacturing cost.

Description

Flexible water-permeable energy dissipation device and working method thereof
The technical field is as follows:
the invention relates to a flexible water-permeable energy dissipation device and a working method thereof.
Background art:
the wave is a phenomenon that local particles of liquid with a free surface leave an original balance position to do periodic fluctuation movement and propagate to the periphery after being disturbed; the waves contain huge energy, which not only affects shipping and washing of coastlines, but also affects production activities of offshore people such as fishing and breeding and even threatens the life and property safety of human beings; therefore, the research on the wave motion rule and the reduction of the wave energy have important theoretical significance and application value.
At present, wave retaining and dissipating facilities applied in domestic actual engineering construction are divided into four categories of rigid water impermeability, rigid water permeability, flexible water impermeability and flexible water permeability according to structural forms and material water permeability. The existing wave-breaking facilities are most commonly applied to rigid waterproof structures, such as concrete wave-breaking walls, seawalls and the like widely applied to engineering. The most rigid wave-proof structures have the following disadvantages that firstly, the structure stress condition is poor, the building foundation is easy to be damaged by elutriation under the action of frequent wave accumulation, and the surface of the building foundation is also easy to be damaged by seawater erosion; secondly, the general rigid building is a solid building which is continuously poured, the bottom of the foundation is deep underground, the near-shore water body is isolated, the near-shore water body cannot be exchanged with seawater outside the wall, and dead water is easily formed, so that the near-shore water environment is deteriorated, the production activity is not easy to develop, the appearance is influenced, and the tourism industry is not facilitated to develop; thirdly, the construction of the rigid wave-proof structure has large amount of engineering, more material consumption, high engineering cost and high repair and maintenance cost.
The invention content is as follows:
the invention aims to provide a flexible water-permeable energy dissipation device and a working method thereof.
The invention discloses a flexible water-permeable energy dissipation device, which is characterized in that: comprises a frame in the shape of a triangular prism and a flexible water-permeable net arranged on one cylindrical surface of the frame.
Furthermore, the flexible water permeable net is rectangular.
Furthermore, two opposite long edges of the rectangular flexible water permeable net are fixedly connected to two column edges of the triangular prism-shaped frame.
Furthermore, the length of the short side of the rectangular flexible water permeable net is larger than the width of the cylinder of the triangular prism-shaped frame.
Furthermore, two opposite short sides of the rectangular flexible water permeable net are respectively connected and fixed on two bottom sides of a cylindrical surface of the frame.
Furthermore, the length of the long edge of the rectangular flexible water permeable net is greater than that of the side of the triangular prism-shaped frame column.
Furthermore, a plurality of flexible water-permeable energy dissipaters are arranged in the water body in an array mode, namely the bottom surfaces of the transversely adjacent flexible water-permeable energy dissipaters are close to each other to form a row, and the column edges of the longitudinally adjacent flexible water-permeable energy dissipaters are close to each other to form a column.
Furthermore, the flexible water permeable net comprises two layers of first plastic net sheets and a second plastic net sheet arranged between the two layers of first plastic net sheets, and the meshes of the first plastic net sheets are larger than those of the second plastic net sheets.
The invention relates to a working method of a flexible water-permeable energy dissipation device, which is characterized in that: the flexible water-permeable energy dissipation device comprises a triangular prism-shaped frame and a flexible water-permeable net arranged on one cylindrical surface of the frame; when the device works, the device is placed in seawater, and one side of the device, which is provided with the flexible water-permeable net, is a back water surface.
Furthermore, a plurality of flexible water-permeable energy dissipaters are arranged in the water body in an array mode, namely the bottom surfaces of the transverse adjacent flexible water-permeable energy dissipaters are close to each other to form a row, the column edges of the longitudinal adjacent flexible water-permeable energy dissipaters are close to each other to form a column, and the adjacent flexible water-permeable energy dissipaters are connected through cables.
The structure is arranged into the direction of the incoming waves of the inclined slope surface through the triangular prism-shaped frame, so that the waves climb along the structure, one part of the waves penetrate through the structure and are reduced into favorable small waves, the other part of the waves continuously advance and fall back along the slope surface due to the self weight of water to collide with the subsequent waves, and the structure achieves better wave-blocking and energy-dissipating effects.
The flexible water-permeable wave-proof energy dissipation structure adopts the flexible water-permeable net, allows water to permeate through the structural surface, and greatly improves the characteristic of large integral stress of a rigid structure; the flexible water-permeable wave-proof energy dissipation structure device is simple in arrangement and strong in operability, and can achieve the purpose of reducing the manufacturing cost.
Description of the drawings:
FIG. 1 is a schematic perspective view of a triangular prism-shaped frame according to the present invention;
FIG. 2 is a schematic perspective view of a flexible water permeable net according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of one embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic perspective view of a flexible water permeable net according to another embodiment of the present invention;
FIG. 6 is a schematic perspective view of another embodiment of the present invention;
FIG. 7 is a view from direction K of FIG. 6;
figure 8 is a cross-sectional view of a flexible water permeable mesh.
The specific implementation mode is as follows:
the process of the present invention is further illustrated in detail by reference to the following examples. It should be noted that the protection scope of the present invention should include, but not be limited to, the technical contents disclosed in the present embodiment.
The flexible water-permeable energy dissipation device comprises a triangular prism-shaped frame 1 and a flexible water-permeable net 2 arranged on one cylindrical surface of the frame, wherein the triangular prism-shaped frame 1 is composed of two parallel bottom surfaces 101 and three column edges 102 connecting the two bottom surfaces, the two bottom surfaces 101 are triangular frame bodies and are formed by connecting three rod bodies end to end, and the three column edges 102 are also three rod bodies; the cylindrical surface is a surface formed by two cylindrical sides and two bottom sides, and the frame of the triangular prism shape has three cylindrical surfaces.
In one embodiment, the flexible water permeable net is rectangular for easy processing.
In one embodiment, two opposite long sides 201 of the rectangular flexible water permeable net are connected and fixed on two column sides 102 of the triangular prism-shaped frame; the length of the short side of the rectangular flexible water permeable net is greater than the width of the cylindrical surface of the triangular prism-shaped frame, and the length of the short side of the rectangular flexible water permeable net is greater than the width of the cylindrical surface of the triangular prism-shaped frame, so that the rectangular flexible water permeable net forms an arc shape, and the combination of fig. 1 and 2 forms the embodiment shown in fig. 3.
In one embodiment, two opposite short sides 202 of the rectangular flexible water permeable net are respectively connected and fixed on two bottom sides 103 of a cylindrical surface of the frame, and the length of the long side of the rectangular flexible water permeable net is greater than that of the side of the triangular prism-shaped frame; the combination of fig. 1 and 5 forms the embodiment shown in fig. 6 by making the rectangular flexible water permeable mesh form an arch shape by the length of the long side of the rectangular flexible water permeable mesh being greater than the length of the side of the triangular prism-shaped frame.
Furthermore, in order to realize the effect on seawater, a plurality of flexible water-permeable energy dissipators are arranged in the water body in an array mode, namely the bottom surfaces of the transverse adjacent flexible water-permeable energy dissipators are close to each other to form a row, and the column edges of the longitudinal adjacent flexible water-permeable energy dissipators are close to each other to form a row.
Further, for reasonable design and long service life, the flexible water-permeable net 2 comprises two layers of first plastic net sheets 203 and a second plastic net sheet 204 arranged between the two layers of first plastic net sheets, and the meshes of the first plastic net sheets are larger than those of the second plastic net sheets.
The invention relates to a working method of a flexible water-permeable energy dissipation device, which comprises a triangular prism-shaped frame and a flexible water-permeable net arranged on one cylindrical surface of the frame; when the device works, the device is placed in seawater, and one side of the device, which is provided with the flexible water-permeable net, is a back water surface.
Furthermore, a plurality of flexible water-permeable energy dissipaters are arranged in the water body in an array mode, namely the bottom surfaces of the transverse adjacent flexible water-permeable energy dissipaters are close to each other to form a row, the column edges of the longitudinal adjacent flexible water-permeable energy dissipaters are close to each other to form a column, and the adjacent flexible water-permeable energy dissipaters are connected through cables.
The flexible water-permeable wave-proof energy dissipation structure adopts the flexible water-permeable material, allows a water body to penetrate through a structural surface, greatly improves the characteristic of large integral stress of a rigid structure, is only required to be arranged in the wave height influence range, is simple in arrangement and strong in operability, and can achieve the purpose of reducing the manufacturing cost; the lower part of the flexible water-permeable wave-proof energy dissipation structure is an open structure, which allows water bodies on two sides of the structure to be freely exchanged and avoids the formation of isolation.
The flexible water-permeable wave-proof energy dissipation structure replaces a rigid water-impermeable structure, and the flexible water-permeable net allows a water body to permeate through the structure surface, so that the characteristic of large integral stress of the rigid structure is improved to a great extent; the flexible water-permeable energy dissipation device is simple in arrangement and high in operability, can achieve the purpose of reducing the manufacturing cost, can provide a relatively stable water body environment, and creates favorable conditions for water purification, water taking, floating box culture development, travel and the like in the area. In addition, the invention also overcomes the problems of large project quantity, more consumables, high project cost, high repair and maintenance cost and the like in the prior art. The invention ensures that the near-shore water body is not isolated, can exchange with the seawater at the outer side, is not easy to form dead water, is easy to develop production activities, greatly improves the aesthetic degree and is beneficial to developing the tourism industry.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.

Claims (2)

1. The utility model provides a flexible energy absorber that permeates water which characterized in that: comprises a frame in the shape of a triangular prism and a flexible water-permeable net arranged on one cylindrical surface of the frame; the flexible water permeable net is rectangular; two opposite long edges of the rectangular flexible water permeable net are fixedly connected to two column edges of the triangular prism-shaped frame; the length of the short side of the rectangular flexible water permeable net is greater than the width of the cylindrical surface of the triangular prism-shaped frame; two opposite short edges of the rectangular flexible water permeable net are respectively connected and fixed on two bottom edges of a cylindrical surface of the frame; the length of the long edge of the rectangular flexible water permeable net is greater than that of the triangular prism-shaped frame column edge, so that the rectangular flexible water permeable net forms an arch shape; a plurality of flexible water-permeable energy dissipaters are arranged in a water body in an array mode, namely the bottom surfaces of transversely adjacent flexible water-permeable energy dissipaters are close to each other to form a row, and the column edges of longitudinally adjacent flexible water-permeable energy dissipaters are close to each other to form a row; the flexible water permeable net comprises two layers of first net sheets and a second net sheet arranged between the two layers of first net sheets, and the meshes of the first net sheets are larger than those of the second net sheet; the triangular prism-shaped frame consists of two parallel bottom surfaces and three column sides connecting the two bottom surfaces, wherein the two bottom surfaces are triangular frame bodies and are formed by connecting three rod bodies end to end, and the three column sides are three rod bodies; the cylindrical surface is a surface formed by two cylindrical sides and two bottom sides, and the frame of the triangular prism shape has three cylindrical surfaces.
2. A working method of a flexible water permeable energy dissipation device is characterized in that: the flexible water-permeable energy dissipation device comprises a triangular prism-shaped frame and a flexible water-permeable net arranged on one cylindrical surface of the frame; the flexible water permeable net is rectangular; two opposite long edges of the rectangular flexible water permeable net are fixedly connected to two column edges of the triangular prism-shaped frame; the length of the short side of the rectangular flexible water permeable net is greater than the width of the cylindrical surface of the triangular prism-shaped frame; two opposite short edges of the rectangular flexible water permeable net are respectively connected and fixed on two bottom edges of a cylindrical surface of the frame; the length of the long edge of the rectangular flexible water permeable net is greater than that of the side of the triangular prism-shaped frame column; a plurality of flexible water-permeable energy dissipaters are arranged in a water body in an array mode, namely the bottom surfaces of transversely adjacent flexible water-permeable energy dissipaters are close to each other to form a row, and the column edges of longitudinally adjacent flexible water-permeable energy dissipaters are close to each other to form a row; the flexible water permeable net comprises two layers of first plastic net sheets and a second plastic net sheet arranged between the two layers of first plastic net sheets, the meshes of the first plastic net sheets are larger than those of the second plastic net sheets, a triangular prism-shaped frame is composed of two bottom surfaces which are parallel to each other and three column edges which connect the two bottom surfaces, the two bottom surfaces are triangular frame bodies which are formed by connecting three rod bodies end to end, and the three column edges are three rod bodies; the cylindrical surface is a surface formed by two cylindrical edges and two bottom edges, and the triangular prism-shaped frame is provided with three cylindrical surfaces, so that the rectangular flexible water permeable net forms an arc shape; when the device works, the device is placed in seawater, and one side of the device, which is provided with the flexible water-permeable net, is a back water surface.
CN201910881016.0A 2019-09-18 2019-09-18 Flexible water-permeable energy dissipation device and working method thereof Active CN110541391B (en)

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CN115504113B (en) * 2022-10-21 2023-07-04 滁州永强汽车制造有限公司 Soft wave-blocking structure for absorbing liquid movement energy

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CN203755233U (en) * 2013-05-27 2014-08-06 古国维 Flexible belt damping curtain floating plate combined type floating type breakwater
CN204225027U (en) * 2014-10-10 2015-03-25 刘景青 A kind of novel unrestrained bank protection device that disappears on power station
CN106759082A (en) * 2016-12-05 2017-05-31 山东大学 A kind of wave absorption buoyancy tank, bank slope erosion control safeguard structure and method
CN106836119A (en) * 2017-04-17 2017-06-13 长沙理工大学 A kind of layer-stepping submerged breakwater
CN109594522B (en) * 2018-12-04 2021-01-05 河海大学 Floating breakwater provided with arc-shaped wave wings and power generation device

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