CN114645528B - Artificial Bei Zaojiao protection system for coastal restoration and application thereof - Google Patents

Abstract

The invention belongs to the field of coastal ecological restoration, and particularly relates to an artificial Bei Zaojiao protection system for coastal restoration and application thereof, wherein the artificial Bei Zaojiao protection system comprises a class Bei Zaojiao group, a class Bei Zaojiao group comprises a plurality of shellfish-algal reef monomers which are arranged in rows at intervals, any row of a plurality of adjacent Bei Zaojiao monomers is attached, and a class Bei Zaojiao group is set to be water-permeable and is used for coastal protection; the bedding cushion layer is characterized in that a plurality of Bei Zaojiao single bodies are placed on the top surface of the bedding cushion layer; the plurality of Bei Zaojiao single bodies are limited on the top surface of the bedding layer of the foundation bed through the stabilizing devices; the ecological culture system comprises a biological inhabitation area, a plurality of shellfish and algal reef monomers and a plurality of ecological culture medium, wherein the biological inhabitation area is arranged on the side edges of the shellfish and algal reef monomers arranged in rows and is used for culturing marine economic crops. The invention can slow down coast erosion, protect natural or artificial sand beach, maintain stable shoreline, and simultaneously, the culture areas of marine plants, shellfish, fishes and the like are arranged in the shellfish reef body, thereby improving the quality of marine environment and creating certain economic benefit.

Description

Artificial Bei Zaojiao protection system for coastal restoration and application thereof

Technical Field

The invention belongs to the field of coastal ecological restoration, and particularly relates to an artificial Bei Zaojiao protection system for coastal restoration and application thereof.

Background

The coastline is long in China, the coastal zone plays roles of wave prevention, bank protection and trend reduction, and the coastline is also an excellent place for the multiplication and inhabitation of marine organisms. The coastal region has high urbanization degree and developed economy, and the economic development has great dependence on the coastal zone resource environment. With the acceleration of urban industrialization process and the continuous expansion of urban construction, human fishery activities, garbage pollution, wastewater discharge, illegal sand mining activities of beaches and the like, the beaches are degraded, many beautiful sandy beach scenery is no longer available in the past, the health and balance of the ecological system of the coastal zone are seriously challenged, the ecological environment of the coastal zone becomes more and more fragile, the offshore living habitat is lost, and the biodiversity is damaged. In addition, frequent attacks of severe weather such as storm surge, typhoon and the like cause damage to the bank protection project and erosion to the bank line, the capability of resisting storm surge disasters on the whole is reduced, and certain measures are needed for repairing and protecting.

The conventional common protection method is to arrange coastal engineering solid buildings such as a spur dike, a revetment, an offshore dike and the like in front of a beach, and the buildings are of watertight structures although the buildings are simple and convenient to construct, low in construction cost and long in service life, so that local water body exchange is greatly influenced, the development of marine organisms is hindered, and the deterioration of marine ecological environment is further aggravated. Therefore, the national environmental protection department sets out relevant marine ecological red line rules and marine ecological protection regulations, forbids the use of the waterproof structure, encourages the water permeable type and takes the protection measures of ecological benefits into consideration. The invention provides an artificial Bei Zaojiao protection system for coastal restoration and application thereof, which are used for retarding coastal erosion, protecting natural or artificial beaches and maintaining shoreline stability, and meanwhile, marine plant, shellfish, fish and other culture areas are arranged in a shellfish-algae reef, so that the marine environmental quality is improved, and certain economic benefit can be created.

Disclosure of Invention

The invention aims to provide an artificial Bei Zaojiao protection system for coastal restoration and application thereof, so as to solve the problems and achieve the purposes of coastal protection and marine environment quality improvement.

In order to achieve the purpose, the invention provides the following scheme: the artificial Bei Zaojiao protection system for coastal restoration comprises a Bei Zaojiao-like group, wherein the Bei Zaojiao-like group comprises a plurality of shellfish reef monomers arranged in rows at intervals, a plurality of Bei Zaojiao monomers are arranged in any row in a bonding mode, and the Bei Zaojiao-like group is arranged in a water permeable mode and is used for coastal protection;

the Bei Zaojiao single bodies are placed on the top surface of the bedding layer;

the plurality of Bei Zaojiao single bodies are limited on the top surface of the bedding foundation layer through the stabilizing devices;

the biological habitat is arranged on the side of a plurality of Bei Zaojiao single bodies arranged in rows and is used for cultivating marine economic crops.

Preferably, it is a plurality of Bei Zaojiao monomer top forms work platform or pavement, bei Zaojiao monomer includes base, cavity reef body and roof, cavity reef body bottom fixed connection is in the base top, roof bottom fixed connection is in cavity reef body top, a plurality of intercommunicating pores have been seted up on the circumference lateral wall of cavity reef body, and is a plurality of the intercommunicating pore with cavity intercommunication in the cavity reef body, adjacent interval setting pass through between the roof securing device fixed connection, the base passes through securing device be spacing in the top of bedding layer.

Preferably, the foundation bed cushion layer comprises a foundation bed soil layer, a broken stone cushion layer and a soil engineering pipe bag layer, the foundation bed soil layer is an existing seabed soil layer, an inverted trapezoidal groove is formed in the top surface of the foundation bed soil layer, the broken stone cushion layer is filled in the inverted trapezoidal groove and is as high as the foundation bed soil layer, the soil engineering pipe bag layer is placed on the top surface of the broken stone cushion layer, the Bei Zaojiao single bodies and the biological habitat are respectively located on the top surface of the soil engineering pipe bag layer, and the base is limited on the top of the soil engineering pipe bag layer through the stabilizing device.

Preferably, securing device includes a plurality of fixed tubular piles and a plurality of connection anchor chain, and is a plurality of the vertical grafting in bottom of fixed tubular pile is in the foundation bed soil layer, it is a plurality of the top of fixed tubular pile passes in proper order rubble bed course, geotechnological pipe bag layer with the base, a plurality of prefabricated through-holes have vertically been seted up to the base top surface, and is a plurality of the top of fixed tubular pile is located a plurality of in the prefabricated through-hole, fixed connection is respectively at the both ends of connecting the anchor chain between the adjacent interval setting the roof.

Preferably, the biological habitat includes marine plant area, shellfish algal reef cultivation district and fish cultivation district, fish cultivation district sets up between adjacent a plurality of Bei Zaojiao monomer that set up in a row, marine plant area sets up and is located a plurality of on the limit Bei Zaojiao monomer keeps away from one side of fish cultivation district, bei Zaojiao cultivation district sets up in a plurality of Bei Zaojiao monomer's cavity, bei Zaojiao cultivation district is used for breeding shellfish cash crop.

Preferably, a first fixing frame is arranged in the marine plant area, and the first fixing frame is fixedly connected to the side edge of the Bei Zaojiao single body through a rope; and a second fixed frame is arranged in the fish culture area and fixedly connected among the Bei Zaojiao monomers which are arranged in adjacent rows through the ropes.

Preferably, the upstream surface of the hollow reef body is set to be a cambered surface.

Preferably, the Bei Zaojiao single bodies are made of reinforced concrete materials, and the base and the top plate are respectively made of concrete precast slabs.

The application of the artificial Bei Zaojiao protection system for coastal restoration is applied to the coast and is positioned on one side of a shoreline;

the artificial Bei Zaojiao protection system for coastal restoration has a distribution form of a sublevel type, a vertical shore line type, an arc line type and a sectional type.

The invention has the following technical effects: a plurality of shellfish algal reef monomers are connected into one row or a plurality of rows to form a shellfish algal reef group for coastal protection, and the shellfish algal reef group is set to be water permeable, so that sufficient water body exchange is facilitated between the inner side and the outer side of the shellfish algal reef group protection structure, a dynamic environment is formed, and the marine ecological environment protection requirement is facilitated; the bedding layer of the foundation bed mainly has the function of providing a support structure for the Bei Zaojiao-like groups and the biological habitat so as to avoid sinking; the stabilizing device has the main functions of limiting the Bei Zaojiao-like groups and the biological habitat on the bedding layer, avoiding separation from the bedding layer under the continuous impact of seawater and ensuring the stability of the whole structure system; the biological habitat is used for cultivating marine economic crops; in extreme weather, the plants in the Bei Zaojiao similar group and the living creature inhabitation area can play a certain buffering role in resisting wind waves, and the Bei Zaojiao similar group and the living creature inhabitation area can also play a role in offshore marine creature inhabitation restoration and marine ranching, so that a good environment for marine creature inhabitation is created, and the marine economic benefit and the ecological benefit are greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic sectional view of the artificial shellfish and algal reef protection system in a front view direction;

FIG. 2 is a plan structure view of the artificial shellfish algal reef protection system of the present invention;

FIG. 3 is a schematic diagram of the structure of Bei Zaojiao monomer of the present invention;

FIG. 4 is a schematic diagram of the artificial shellfish algal reef protection system along the shore relative to the shore line;

FIG. 5 is a schematic diagram of the vertical artificial shellfish algal reef protection system relative to the shoreline of the invention;

FIG. 6 is a schematic view of the opposite-bank line arc type artificial shellfish algal reef protection system of the invention;

FIG. 7 is a schematic diagram of a sectional type artificial shellfish-algal reef protection system relative to a shoreline according to the present invention;

wherein, 1, bei Zaojiao monomer; 11. a base; 12. a hollow reef body; 13. a top plate; 14. a communicating hole; 2. a bedding foundation layer; 21. a foundation bed soil layer; 22. a gravel cushion layer; 23. a geotextile tube bag layer; 3. a securing device; 31. fixing the tubular pile; 32. connecting an anchor chain; 4. a biological habitat; 41. a marine plant region; 42. bei Zaojiao cultivation area; 43. a fish farming area; 5. prefabricating a through hole; 6. an inverted trapezoidal groove; 7. a first fixed frame; 8. a second fixed frame; 9. a shoreline; 100. an artificial coastal shellfish algal reef protection system; 110. a vertical artificial shellfish algal reef protection system; 120. an arc-shaped artificial shellfish and algal reef protection system; 130. sectional type artificial shellfish algal reef protection system.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to FIGS. 1-7, the present invention provides an artificial Bei Zaojiao protection system for coastal restoration, comprising

Bei Zaojiao group, bei Zaojiao group comprise a plurality of shellfish-algal reef monomers 1 arranged in rows at intervals, any row of the plurality of adjacent Bei Zaojiao monomers 1 are attached to each other, and Bei Zaojiao group is water-permeable and is used for coastal protection;

a bedding cushion layer 2, and a plurality of Bei Zaojiao single bodies 1 are arranged on the top surface of the bedding cushion layer 2;

the stabilizing device 3 is used for limiting a plurality of Bei Zaojiao single bodies 1 on the top surface of the bedding layer 2 through the stabilizing device 3;

the living beings inhabit area 4, the living beings inhabit area 4 sets up at a plurality of shellfish algal reef monomer 1 sides that set up in a row, and living beings inhabit area 4 is used for breeding marine economic crops.

A plurality of shellfish algal reef monomers 1 are connected into one row or a plurality of rows to form a shellfish algal reef group for coastal protection, and the shellfish algal reef group is set to be water permeable, so that sufficient water body exchange is facilitated between the inner side and the outer side of the shellfish algal reef group protection structure, a dynamic environment is formed, and the marine ecological environment protection requirement is facilitated; the bedding layer 2 mainly has the function of providing a support structure for the Bei Zaojiao-like groups and the biological habitat 4 so as to avoid sinking; the stabilizing device 3 has the main functions of limiting the Bei Zaojiao-like groups and the biological habitat 4 to the bedding layer 2, avoiding separation from the bedding layer 2 under the continuous impact of seawater and ensuring the stability of the whole structure system; the biological habitat 4 is used for cultivating marine economic crops; in extreme weather, the plants in the similar Bei Zaojiao group and the biological habitat 4 can play a certain buffering role in resisting wind waves, and the similar Bei Zaojiao group and the biological habitat 4 can also play a role in offshore marine organism habitat restoration and marine ranching, so that a good environment for marine organism habitat is created, and the marine economic benefit and the ecological benefit are greatly improved.

Further optimizing the scheme, a plurality of Bei Zaojiao monomer 1 tops form a working platform or a footpath, bei Zaojiao monomer 1 comprises a base 11, a hollow reef body 12 and a top plate 13, the bottom of the hollow reef body 12 is fixedly connected to the top of the base 11, the bottom of the top plate 13 is fixedly connected to the top of the hollow reef body 12, a plurality of communicating holes 14 are formed in the circumferential side wall of the hollow reef body 12, the communicating holes 14 are communicated with a cavity in the hollow reef body 12, the top plates 13 which are arranged at intervals are fixedly connected through a stabilizing device 3, and the base 11 is limited to the top of the foundation bed cushion layer 2 through the stabilizing device 3.

The base 11 is the bottommost layer structure of Bei Zaojiao single bodies 1, is in a flat plate shape and serves as the foundation of the whole structure; the hollow reef body 12 is the most main part of the shellfish algal reef body, occupies most of the volume space, is of a concrete structure with a hollow interior, is of a hexahedral structure, is provided with a communicating hole 14 on 4 surfaces in the horizontal direction to be communicated with the outside, is provided with a solid panel on the upper surface and the lower surface, is placed on the base 11 and is connected with the base 11 through a welding part, and the welding part is subjected to rust prevention treatment; the top plate 13 is of a flat structure, is placed above the hollow reef body 12, plays a role in connecting and fixing the hollow reef body 12, and is used as a working platform and a footpath above the Bei Zaojiao single body 1; in engineering, a plurality of Bei Zaojiao monomers 1 are connected into one row or a plurality of rows to form a shellfish-like algal reef group for coastal protection.

In addition, the hollow reef body 12 is of a hexahedral structure, the section can be in the form of a curved surface or a trapezoid and the like, selection is carried out according to wave conditions and functional requirements during design, and a round or square opening is arranged in the middle of each surface and used for flowing through and wave dissipation.

Further optimize the scheme, bedliner 2 includes bedbed soil layer 21, rubble bedding layer 22 and geotechnological pipe bag layer 23, bedbed soil layer 21 is current seabed soil layer, the trapezoidal slot 6 of falling has been seted up to bedbed soil layer 21 top surface, rubble bedding layer 22 sets up to fill in the trapezoidal slot 6 of falling and is equal height with bedbed soil layer 21, geotechnological pipe bag layer 23 is placed at rubble bedding layer 22's top surface, a plurality of Bei Zaojiao monomer 1 are located geotechnological pipe bag layer 23's top surface respectively with biological habitat 4, base 11 is spacing in geotechnological pipe bag layer 23's top through securing device 3.

The foundation bed soil layer 21 is the conventional seabed soil layer, and soft soil is removed through surface layer dredging treatment to form an inverted trapezoidal groove 6; the broken stone cushion layer 22 is formed by backfilling broken stones in the inverted trapezoidal groove 6 until the broken stones are level to the surface of the existing seabed, so that the bearing capacity of the foundation is enhanced; the geotextile tube bag layer 23 is laid above the gravel cushion layer 22, a tubular cloth bag is made of geotextile, fine sand is filled in the geotextile tube bag layer, a plurality of geotextile tube belts are arranged in parallel and cover the gravel cushion layer 22, and the geotextile tube bag layer and the gravel cushion layer are integrally formed into a plane.

Further optimize the scheme, securing device 3 includes a plurality of fixed tubular piles 31 and a plurality of connection anchor chain 32, the vertical grafting in foundation bed soil layer 21 in bottom of a plurality of fixed tubular piles 31, rubble bed course 22, geotechnological pipe bag layer 23 and base 11 are passed in proper order to a plurality of fixed tubular piles 31's top, a plurality of prefabricated through-holes 5 have been seted up to base 11 top surface is vertical, a plurality of fixed tubular piles 31's top is located a plurality of prefabricated through-holes 5, the both ends difference fixed connection of connection anchor chain 32 is between the roof 13 of adjacent interval setting.

The fixed tubular pile 31 penetrates through a prefabricated through hole 5 in the shellfish algal reef base 11, sequentially penetrates through the geotechnical tubular bag layer 23 and the broken stone cushion layer 22, and then penetrates into the foundation bed soil layer 21 to play a role in preventing the Bei Zaojiao monomer 1 from horizontally sliding; an embedded connecting ring is reserved at the edge of the top plate 13 and used for connecting the Bei Zaojiao single bodies 1 arranged at intervals through a connecting anchor chain 32, and the connecting anchor chain 32 is used for connecting the top plate 13 between the shellfish reef single bodies 1, so that the effect of improving the overall stability of the system is achieved.

Further optimize the scheme, the living beings perch area 4 includes that the marine plant district 41, shellfish algal reef breed district 42 and fish culture district 43, and fish culture district 43 sets up between a plurality of shellfish algal reef monomers 1 that adjacent row set up, and marine plant district 41 sets up in the one side that a plurality of shellfish algal reef monomers 1 that are located limit portion keep away from fish culture district 43, and shellfish algal reef breed district 42 sets up in the cavity of a plurality of shellfish algal reef monomers 1, and shellfish algal reef breed district 42 is used for breeding shellfish cash crop.

The marine plant areas 41 are mainly distributed on two sides of the shellfish and algal reef monomer 1 and are distributed on the geotechnical tube bag layers 23 extending from the two sides for cultivating marine economic plants such as seaweed and the like; bei Zaojiao cultivation area 42 is mainly located in the hollow reef body of the shellfish reef and is mainly used for cultivating economic crops such as shellfish, the fish cultivation area 43 is located between the double rows Bei Zaojiao monomer 1 and is mainly used for cultivating fish economic crops, various fish cultivation net cages can be arranged inside the fish cultivation area, and two sides of the fish cultivation net cages are protected by Bei Zaojiao-like groups.

In a further optimization scheme, a first fixing frame 7 is arranged in the marine plant area 41, and the first fixing frame 7 is fixedly connected to the side edge of the Bei Zaojiao single body 1 through a rope; a second fixed frame 8 is arranged in the fish culture area 43, and the second fixed frame 8 is fixedly connected among a plurality of adjacent shellfish and algal reef monomers 1 arranged in rows through ropes; the first fixing frame 7 is a frame made of some steel bars or bamboos; the second fixed frame 8 is made of flexible netted materials such as a steel bar frame cage and an outer cover netting.

The marine plant area 41 is positioned at the outer side of the Bei Zaojiao similar group and mainly comprises a plurality of steel bars or bamboo frames, so that marine plants can grow dependently, bases of the frames are placed on the geotextile tube bag layer 23 and fixed on the Bei Zaojiao single body 1 through ropes; bei Zaojiao cultivation area 42 is located in Bei Zaojiao single body 1 hollow reef body 12, mainly by scattering shellfish larvae, make it attached in the hollow reef body 12, sometimes shellfish will also move on other parts of Bei Zaojiao single body 1, but will not leave shellfish algal reef single body 1; the fish culture area 43 is positioned between the two rows Bei Zaojiao of single bodies 1 and is protected by the Bei Zaojiao single bodies 1 on two sides, the second fixed frame 8 is placed on the geotechnical tube bag layer 23, and fishes can freely swim and inhabit and grow in the netting.

In a further optimized scheme, the upstream surface of the hollow reef body 12 is set to be a cambered surface.

The arrangement is beneficial to reducing the external load borne by the Bei Zaojiao single body 1, the wave impact can be weakened to the maximum extent by utilizing the trajectory effect of the cambered surface, the wave-absorbing effect is good, and meanwhile, the cambered surface can better resist the wave impact compared with an upright surface and an inclined surface, so that the service life of the artificial reef body is prolonged; in addition, the communicating holes 14 formed on the surface of the Bei Zaojiao single body 1 can also reduce the wave impact force on the Bei Zaojiao single body.

In a further optimized scheme, the Bei Zaojiao single body 1 is made of reinforced concrete materials, and the base 11 and the top plate 13 are respectively made of concrete precast slabs. The structure is firm and high in strength, can be made into various shapes and sizes, is convenient for building an integral structure, is also convenient for the attachment and growth of Bei Zaolei, and can increase the variety of organisms and the biomass in a water area; the thickness and the width of the concrete precast slab are large, and a load design is needed, and a hole position for fixing the tubular pile 31 is reserved on the base 11 during design, so that the fixing tubular pile 31 can conveniently penetrate through and go deep into a seabed.

The top plate 13 is a concrete precast slab, mainly plays a role in connection and fixation and bears the load of construction and cultivation activities of personnel on the upper part in the future, so the design thickness and width are smaller than those of the base 11, and the requirement of reinforcement of a reinforced concrete structure is met.

The application of the artificial Bei Zaojiao protection system for coastal restoration is applied to the coast and is positioned on one side of a shoreline;

the artificial Bei Zaojiao protection system for coastal restoration has a distribution form of a sublevel type, a vertical shore line type, an arc line type and a sectional type. The shore-following type is the most basic arrangement form, and can be suitable for most of shore line conditions so as to meet the requirements of basic ecological restoration and coastal protection functions; the vertical shoreline has the function similar to a spur dike, can play the functions of blocking flow and promoting siltation, is suitable for a coast with stronger shoreline, and can lay an artificial sand beach between two rows of artificial shellfish algal reefs with the vertical shoreline to play the role of protecting the artificial sand beach; meanwhile, the ecological environment-friendly dam is of a permeable structure, meets the ecological environment-friendly requirement, can be arranged in the coast ecological red line, and the conventional solid spur dike cannot be arranged in the ecological red line; the arc form can lay artificial sand beaches on the coast of the shield area, and the sea area surrounded by the arc Bei Zaojiao can be used as an artificial sea water bath field to maintain the inner water surface calm, so that the arc form is suitable for the situation of simultaneously arranging the artificial sand beaches and the sea water bath field; the sectional arrangement mode can promote the silt outside the sea to naturally deposit on the shore line behind the shellfish-algae reef, so the sand beach is formed by utilizing the natural deposition instead of the artificial sand beach in the condition, and the sectional arrangement mode is suitable for the coast with large change of wave direction in one year.

In a whole, (1) the water permeable coastal protection system meets the latest marine ecological environment protection requirement

Bei Zaojiao monomer 1 adopts a hollow cavity structure, and the holes are opened on four sides horizontally to permeate water, so that good water permeability can be ensured, and sufficient water body exchange is provided between the inner side and the outer side of the Bei Zaojiao group-like protective structure; bei Zaojiao, forms flow patterns such as upward flow, accelerated flow, sluggish flow and the like at the periphery and inside, can disturb water bodies at the bottom layer and near the bottom layer through the shellfish algal reef, improves the vertical exchange efficiency among water layers, forms an ideal nutrient salt transportation environment, provides rich nutrient substances for algae attached to the surface of the reef and plankton in the surface water body of the ocean, and meets the ocean ecological environment protection requirement of the current ocean structure. The coast protection system composed of the shellfish algal reef body has more open pores on the surface, can reduce more wave energy relative to a straight wall type structure, plays a better wave protection effect, and reduces the erosion of waves to the beach.

(2) Multiple structural stability design, strong ability to resist extreme weather

The method adopts various measures to reduce the external load borne by the shellfish-algal reef monomer, firstly, the upstream surface of the artificial Bei Zaojiao monomer is designed into a cambered surface, and by utilizing the trajectory effect of the cambered surface, the impact of sea waves can be weakened to the maximum extent, and the wave-eliminating effect is good. In addition, the surface of Bei Zaojiao single body 1 is provided with communicating holes 14, so that the wave impact force on Bei Zaojiao single body 1 is reduced. In the design of the stabilizing device, the fixing pipe piles 31 are used for fixing the base 11 of the Bei Zaojiao single bodies 1 and penetrate into the foundation bed soil layer 21, so that the class Bei Zaojiao group has good anti-slip performance, and the arrangement of the connecting anchor chains 32 further increases the integrity of the class Bei Zaojiao group and can well resist extreme weather such as typhoon. In addition, the algae plants growing on both sides of the Bei Zaojiao can also play a certain buffering role in resisting wind and waves.

(3) Enriching the diversity of marine life and improving the ecological environment of sea

The quasi-Bei Zaojiao group plays a role in the inhabitation and restoration of offshore marine organisms and marine ranching, creates a good environment for the inhabitation of marine organisms, and provides places for the propagation, growth, bait making and refuge of marine plants, shellfish, fishes and the like; the exposed surface of the reef gradually adsorbs organisms and sediments, and a succession process of a biological community is started; the growth of the algae on the two sides can absorb a large amount of carbon dioxide and nutrient salts and release oxygen, so that the water quality environment is purified, and meanwhile, the algae is the bait of a plurality of herbivores; the group Bei Zaojiao is set as a place for constructing good survival and shelter for fishes, can be used as a place for temporarily staying or inhabiting the fishes for a long time, and greatly improves the economic benefit and the ecological benefit of the ocean.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (6)

1. Coastal restoration is with artifical Bei Zaojiao protection system, its characterized in that: comprises that

The quay Bei Zaojiao group comprises a Bei Zaojiao group, a plurality of shellfish-algal reef monomers (1) are arranged in rows at intervals, any row of a plurality of Bei Zaojiao monomers (1) are arranged in a laminating mode, and the quay Bei Zaojiao group is water permeable and is used for coastal protection;

the bedding cushion layer (2), a plurality of Bei Zaojiao single bodies (1) are placed on the top surface of the bedding cushion layer (2);

the plurality of Bei Zaojiao single bodies (1) are limited on the top surface of the bedding layer (2) through the stabilizing devices (3);

the biological habitat (4) is arranged at the side of a plurality of Bei Zaojiao monomers (1) arranged in a row, and the biological habitat (4) is used for cultivating marine economic crops;

the working platform or the footpath is formed at the tops of the Bei Zaojiao single bodies (1), each Bei Zaojiao single body (1) comprises a base (11), a hollow reef body (12) and a top plate (13), the bottom of the hollow reef body (12) is fixedly connected to the top of the base (11), the bottom of the top plate (13) is fixedly connected to the top of the hollow reef body (12), a plurality of communication holes (14) are formed in the circumferential side wall of the hollow reef body (12), the communication holes (14) are communicated with a cavity in the hollow reef body (12), the top plates (13) which are arranged at intervals are fixedly connected through the stabilizing device (3), and the base (11) is limited at the top of the foundation bed layer (2) through the stabilizing device (3);

the biological habitat area (4) comprises a marine plant area (41), a shellfish reef culture area (42) and a fish culture area (43), the fish culture area (43) is arranged among a plurality of Bei Zaojiao single bodies (1) which are arranged in adjacent rows, the marine plant area (41) is arranged on one side, away from the fish culture area (43), of a plurality of Bei Zaojiao single bodies (1) which are positioned on the edge part, the Bei Zaojiao culture area (42) is arranged in cavities of a plurality of Bei Zaojiao single bodies (1), and the Bei Zaojiao culture area (42) is used for culturing economic shellfish crops;

the upstream surface of the hollow reef body (12) is set to be a cambered surface.

2. The coastal restoration artificial Bei Zaojiao protection system according to claim 1, wherein: the foundation bed cushion layer (2) comprises a foundation bed soil layer (21), a broken stone cushion layer (22) and a soil engineering pipe bag layer (23), the foundation bed soil layer (21) is an existing seabed soil layer, an inverted trapezoidal groove (6) is formed in the top surface of the foundation bed soil layer (21), the broken stone cushion layer (22) is filled in the inverted trapezoidal groove (6) and is as high as the foundation bed soil layer (21), the soil engineering pipe bag layer (23) is placed on the top surface of the broken stone cushion layer (22), a plurality of Bei Zaojiao monomers (1) and the biological habitat (4) are respectively located on the top surface of the soil engineering pipe bag layer (23), and the base (11) is limited on the top of the soil engineering pipe bag layer (23) through the stabilizing device (3).

3. The coastal restoration artificial Bei Zaojiao protection system according to claim 2, wherein: securing device (3) include a plurality of fixed tubular piles (31) and a plurality of anchor chain (32) of being connected, it is a plurality of the vertical grafting in bottom of fixed tubular pile (31) is in foundation bed soil layer (21), it is a plurality of the top of fixed tubular pile (31) is passed in proper order rubble bed course (22), geotechnique's pipe bag layer (23) with base (11), a plurality of prefabricated through-hole (5) have vertically been seted up to base (11) top surface, it is a plurality of the top of fixed tubular pile (31) is located a plurality of in prefabricated through-hole (5), the both ends difference fixed connection of connecting anchor chain (32) is in adjacent interval setting between roof (13).

4. The coastal restoration artificial Bei Zaojiao protection system according to claim 1, wherein: a first fixing frame (7) is arranged in the marine plant area (41), and the first fixing frame (7) is fixedly connected to the side edge of the Bei Zaojiao single body (1) through a rope; a second fixed frame (8) is arranged in the fish culture area (43), and the second fixed frame (8) is fixedly connected among the Bei Zaojiao single bodies (1) which are arranged in rows and adjacent to each other through the ropes.

5. The coastal restoration artificial Bei Zaojiao protection system according to claim 1, wherein: the Bei Zaojiao single body (1) is made of reinforced concrete materials, and the base (11) and the top plate (13) are respectively a concrete precast slab.

6. Use of an artificial Bei Zaojiao protection system for coastal restoration, characterized in that the artificial Bei Zaojiao protection system for coastal restoration according to any of claims 1 to 5 is applied to the coastal region and is located on one side of the shoreline;

the artificial Bei Zaojiao protection system for coastal restoration has a distribution form of a sublevel type, a vertical shore line type, an arc line type and a sectional type.

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