CN212582601U - Oyster reef row and seawall dyke foot protection device - Google Patents

Abstract

The utility model provides an oyster reef row and seawall dyke foot protector relates to coastal zone restoration technical field, the utility model provides an oyster reef row, include: the reef row frame, the ground grabbing device and the protecting net device; the ground grabbing device is connected to the bottom of the reef row frame; the protective net device is connected with and covers the reef row frame. The utility model provides an oyster reef row can settle in sea wall dyke foot department, arranges frame and dyke foot through the protecting wire net device to the reef to prevent that sea wall dyke foot silt from receiving rivers and erodeing, be favorable to keeping the stability of dyke foot, can prevent that sea wall dyke foot from being corroded.

Description

Oyster reef row and seawall dyke foot protection device

Technical Field

The utility model belongs to the technical field of the coastal zone restoration technique and specifically relates to an oyster reef row and seawall dyke foot protector is related to.

Background

The protection of the dike foot has an important function for maintaining the dike protection capability. The breakwater feet are eroded, washed and hollowed by sea waves, tides and tides for a long time, so that the foundation of the sea wall is damaged, the stability and the safety of the sea wall are endangered, and the damage of the sea wall influences the life and property safety of coastal people. In order to ensure the safety of the seawall, the direct erosion and scouring of seawalls caused by sea waves, tides and the like are reduced by throwing stone blocks or reinforced concrete blocks or arranging steel sheet piles at the feet of the seawall, so that the aims of protecting the seawall and prolonging the service life of the seawall are fulfilled.

However, the method of throwing stones or concrete blocks using the dike has the following problems:

1. the engineering quantity is large and the cost is high;

2. the ecological property is not friendly, the ecological function of riprap or concrete blocks is low, and the riprap or concrete blocks are difficult to become an ideal habitat of marine organisms;

3. along with the time lapse and the damage of sea waves, the problems of shifting, breaking and the like exist in the rock blocks and the concrete blocks, the protection effect on the seawall is reduced year by year, the rock blocks or the reinforced concrete blocks need to be supplemented periodically, 10% of the early-stage throwing amount needs to be supplemented every three years, and the later-stage maintenance cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oyster reef row and seawall dyke foot protector can settle in dyke foot department to alleviate the technical problem that the dyke foot receives the wave erosion.

In a first aspect, the utility model provides an oyster reef row, include: the reef row frame, the ground grabbing device and the protecting net device;

the ground grabbing device is connected to the bottom of the reef row frame;

the protective net device is connected with and covers the reef row frame.

In combination with the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the net protection device includes a net member composed of geotextile.

In combination with the first aspect, the utility model provides a possible embodiment of the second of the first aspect, wherein, oyster column room is installed to the frame is arranged to the reef, the indoor oyster pile that is equipped with of oyster column.

In combination with the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the oyster pillar chamber is installed at both ends of the reef row frame along a direction perpendicular to a coastline.

In combination with the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the oyster reef row further comprises an oyster ecological bag, and the oyster ecological bag is disposed above the net protection device.

In combination with the fourth possible implementation manner of the first aspect, the utility model provides a fifth possible implementation manner of the first aspect, wherein, the inner cavity splendid attire oyster shell of the oyster ecological bag, just the oyster ecological bag is equipped with the intercommunication the hole of inner cavity.

In combination with the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the reef row frame includes: a first side frame, a second side frame, a third side frame and a fourth side frame;

the first side frame, the second side frame, the third side frame and the fourth side frame are sequentially connected end to end and enclose to form a rectangular frame.

In combination with the seventh possible implementation manner of the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the reef row frame further includes a frame beam, the frame beam is connected in the rectangular frame, and the frame beam extends in a direction perpendicular to the coastline.

In a second aspect, the utility model provides a seawall dyke foot protector, include: the protective pile and the oyster reef row provided by the first embodiment;

the reef row frame is arranged at the position of a dike foot of the sea wall, and the ground grabbing device is inserted into the sea bottom;

the fender pile is arranged on one side, deviating from the embankment, of the oyster reef row, and the fender pile is inserted into the sea bottom.

The embodiment of the utility model provides a following beneficial effect has been brought: adopt and grab ground device and connect the bottom at the frame is arranged to the reef to make the protecting wire net device connect and cover the frame is arranged to the reef, can fix the frame is arranged to the reef in dyke foot department through grabbing ground device, arrange frame and seawall dyke foot through the protecting wire net device and protect, thereby prevent that seawall dyke foot silt from receiving rivers and erodeing, be favorable to keeping the stability of dyke foot, can prevent that seawall dyke foot from being corroded.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a seawall embankment foot protection device according to an embodiment of the present invention;

fig. 2 is a top view of the oyster reef row provided by the embodiment of the utility model.

Icon: 001-reef row frame; 101-a first sideframe; 102-a second sideframe; 103-third sideframe; 104-fourth sideframe; 105-frame beams; 002-ground-grasping device; 003-mesh guard devices; 004-oyster column chamber; 005-oyster pile; 006-oyster ecological bag; 007-protective pile.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 and 2, the embodiment of the utility model provides an oyster reef row includes: a reef row frame 001, a ground grabbing device 002 and a net protecting device 003; the ground grabbing device 002 is connected to the bottom of the reef row frame 001; the mesh guard 003 is connected to and covers the reef row frame 001.

Specifically, the reef row frame 001 includes a concrete member, and the reef row frame 001 may adopt a frame structure having a length of 2m and a width of 1 m. Four grip devices 002 are connected to four corners of the bottom of the reef row frame 001 in a one-to-one correspondence, the grip devices 002 may be formed of a sharp concrete member similar to a tooth, and the bottom of the grip devices 002 is configured to be a sharp end so as to be inserted into the sea bottom. The length of the ground grabbing device 002 is about 50cm, the oyster reefs are arranged at the dike feet of the sea bank, and the ground grabbing device 002 is inserted into the sea bottom, so that the oyster reefs are prevented from moving. The protecting net device 003 is fixedly arranged above the reef row frame 001, and can play roles of filtering, isolating, reinforcing and protecting through the protecting net device 003, so that the silt of the dyke foot can be prevented from being washed away by water flow, the stability of the dyke foot can be favorably maintained, and the dyke foot can be prevented from being corroded.

The embodiment of the utility model provides an oyster reef row can be fine prevent the erosion and the destruction of seawall dyke foot, have low cost, ecological effectual, do not need advantages such as later maintenance. After the oyster reefs are arranged, the protection function of the dike legs is better and better along with the lapse of time, and the ecological effect is more and more obvious along with the lapse of time. Not only can protect the dike foot from erosion and damage, but also can build an oyster reef ecosystem with rich biological diversity at the dike foot, and improve the ecological function value at the dike foot.

In an embodiment of the present invention, the net protecting device 003 includes a net member made of geotextile.

Specifically, the net member made of geotextile is used as a soft protective material, so that the sludge at the dyke foot of the seawall can be prevented from being washed away by water flow, the stability of the bottom surface of the sea bed at the dyke foot can be kept, and the effect of preventing the dyke foot of the seawall from being eroded to a certain extent is also achieved. In addition, the net protecting device 003 can be used as a bearing body of the oyster ecological bag, so that the permeability of seawater can be well maintained, seabed sediment can be well isolated, the oyster ecological bag is prevented from being buried by the seabed sediment, a good environment is created for the growth of oysters, and the production and the propagation of the oysters are facilitated.

The geotextile net is made of filament woven geotextile, the length of the geotextile net on each oyster reef row is about 2m, the width of the geotextile net is about 1m, the geotextile net is made of synthetic fibers such as high-strength industrial polypropylene fibers and the like, the geotextile net has the advantages of high strength, durability, corrosion resistance and the like, and the specification of the geotextile net is set to be 500 g/square meter.

Further, an oyster column chamber 004 is installed on the reef row frame 001, and an oyster pile 005 is arranged in the oyster column chamber 004.

Specifically, oyster column room 004 uses fastener and reef row frame 001 to be connected as an organic wholely, and oyster column room 004 adopts the cube structure, and six terminal surfaces of oyster column room 004 are equipped with the opening respectively, and oyster pile 005 places in oyster column room 004, and oyster pile 005 can regard as the adnexed matrix of oyster. The length, the width and the height of each single oyster column chamber 004 are 40cm, an oyster pile 005 is placed in each oyster column chamber 004, the oyster pile 005 is in the shape of a cylindrical concrete body, the length is 80cm, the diameter of the bottom surface is 20cm, the oyster pile 005 is inserted into the oyster column chamber 004, and the oyster pile 005 is fixed in the oyster column chamber 004 through fasteners.

Further, in a direction perpendicular to the coastline, oyster pillar chambers 004 are installed at both ends of the reef row frame 001.

Specifically, the frame 001 is arranged to the reef and is close a plurality of oyster column rooms 004 of seawall base side installation, and the frame 001 is arranged to the reef and deviates from seawall base side and is equipped with a plurality of oyster column rooms 004, inserts respectively in every oyster column room 004 and establishes oyster pile 005, and oyster diffusion growth can promote the overall stability that the oyster reef was arranged on oyster pile 005 to slow down the rivers impact in the direction of perpendicular to bank line.

Further, the oyster piles 005 are inserted into the cavity of the oyster column chamber 004 from top to bottom, and the side wall of the oyster column chamber 004 is provided with a side opening communicated with the cavity.

Specifically, the sea water can get into oyster column room 004's cavity through the side opening in, and oyster pile 005 is inserted and is established in oyster column room 004, and oyster pile 005 can adsorb oyster and barnacle to progressively improve the stability of reef row. The height of the oyster column chamber 004 is 40cm, the total length of the placed oyster columns is about 80cm, the height exposed outside the oyster chamber is about 40cm, under the normal condition, due to the growth of oysters, the height can be increased by 10-20 cm within 2-3 years, and the height and weight increasing speed of the oyster reef row can be further accelerated along with the increase of the number of the oysters in the later period until the height is increased to a height (height during high tide and high tide) which is not suitable for the growth of the oysters. The oyster reef formed at this time can effectively weaken wave energy and well protect the dike feet of the seawall from erosion and damage.

Further, the oyster reef row also includes oyster ecological bag 006, and oyster ecological bag 006 sets up the top of protecting wire net device 003.

Specifically, the raw material of the oyster ecological bag 006 is polyethylene, the wire drawing of the net rope of the oyster ecological bag 006 is not less than 50 strands of polyethylene fiber ropes, and the breaking strength of a single rope is not less than 200N/root. The sealing rope of the oyster ecological bag 006 and the rope connecting the reef row frame 001 are polyester fiber ropes, the number of the ropes is more than or equal to 50, the breaking strength of a single rope is more than or equal to 200N/root, two sections of ropes are single dead knots, and two sections of ropes are double dead knots when the sealing is carried out. The length of the oyster ecological bags 006 is about 1m, and the total mesh number of each oyster ecological bag 006 is not more than 3000 meshes. Support through reef row frame 001 to through protecting net device 003 separation seabed silt, thereby avoid oyster ecological bag 006 to sink into seabed silt because of the overweight. The oyster pillar chamber 004, the oyster pile 005 and the oyster ecological bag 006 can provide good attachment environment and growing and breeding environment for the reef-building organisms such as oysters, barnacles and the like. The oyster grows fast and can grow into an adult in about 2 to 3 years. The size of the oyster seedlings introduced into the oyster ecological bag is about 5-10 mm, and the weight of the oyster seedlings is about 5-10 g. The height of the oyster shells at two ages can reach 8-12cm, more than twenty times of the original size of the oyster seedlings can be reached, the weight of a single oyster can reach 100-200 g, and the weight of the oyster can be increased by 20-40 times compared with the weight of the oyster seedlings. And later stage along with the increase of oyster quantity, its natural propagation's oyster seedling increases, and new oyster seedling will continue to adhere to on adult oyster shell for the speed of reef volume and weight increase can progressively accelerate, presents the geometric progression and increases, makes the expansion rate increase that the oyster reef was arranged, volume and the weight that the increase oyster reef that can be very fast was arranged, improves the stability that the oyster reef was arranged rapidly, and defence storm tide calamity that can be fine plays the important role of protection sea wall dyke foot.

Further, the inner cavity of the oyster ecological bag 006 is filled with oyster shells, and the oyster ecological bag 006 is provided with a pore communicating with the inner cavity.

Specifically, the total weight more than or equal to 3kg of oyster ecological bag 006 and the inside oyster shell should ensure that oyster ecological bag 006 has great hole and intensity, can make the oyster shell of packing into in the oyster ecological bag 006 to expose through great hole to the oyster of being convenient for is attached to and is grown. A plurality of oyster ecological bags 006 are arranged on the net protecting device 003, the interval between any two adjacent oyster ecological bags 006 is 10cm, and about four oyster ecological bags 006 are arranged above each reef row frame 001. The oyster ecological bag 006 is filled with various large-scale shells such as waste oyster shells and scallops, and the waste shells have environmental friendliness and ecological property, so that waste can be changed into valuable, and the oyster ecological bag 006 is more favorable for the attachment and growth of oysters, so that the oyster ecological bag 006 is favorable for the development of oyster reefs as a perfect attachment for the growth of the oysters.

Further, the reef row frame 001 includes: a first side frame 101, a second side frame 102, a third side frame 103, and a fourth side frame 104; the first side frame 101, the second side frame 102, the third side frame 103 and the fourth side frame 104 are sequentially connected end to end and are surrounded to form a rectangular frame.

Specifically, the first side frame 101 and the third side frame 103 extend in a direction parallel to the shoreline, the second side frame 102 and the fourth side frame 104 extend in a direction perpendicular to the shoreline, the length of the first side frame 101 and the length of the third side frame 103 may be selected to be 2m, and the length of the second side frame 102 and the length of the fourth side frame 104 may be selected to be 1 m.

Further, the reef row frame 001 further includes a frame beam 105, the frame beam 105 is connected within the rectangular frame, and the frame beam 105 extends in a direction perpendicular to the shoreline.

Specifically, two frame beams 105 are provided, the two frame beams 105 extend in a direction parallel to the second side frame 102, the two frame beams 105 are arranged at intervals in the shoreline direction, and the frame beams 105 are supported in a rectangular frame, so that the structural strength of the reef row frame 001 is improved in a direction perpendicular to the shoreline.

Example two

As shown in fig. 1, an embodiment of the present invention provides a seawall embankment foot protection device, including: the protective piles 007 and the oyster reef rows provided by the first embodiment; the reef row frame 001 is arranged at the dike foot of the seawall, and the ground grabbing device 002 is inserted into the sea bottom; the fender pile 007 is arranged on one side of the oyster reef row, which is far away from the embankment, and the fender pile 007 is inserted into the sea bottom.

Specifically, a plurality of reef row frames 001 are arranged at the dyke foot along the shore line direction, the radial dimension of fender pile 007 is 40cm, the length of fender pile 007 is 5m, wherein 3m is inserted and is located the seabed, 2m exposes the seabed and butt reef row frame 001, prevents through fender pile 007 that reef row frame 001 is rushed into the extra-tidal zone sea area.

As shown in fig. 1 and 2, the method for protecting the dike legs includes: constructing a reef row frame 001, and fixing the reef row frame 001 at the position of a dike foot of the sea wall through a ground grabbing device 002; the mesh guard devices 003 are connected to and cover the reef row frame 001. The net protecting device 003 is favorable for maintaining the stability of the bottom surface of the sea bed at the dyke foot and plays a role in preventing the dyke foot from being eroded to a certain extent. Meanwhile, the method can also play a role in isolating seabed sediment and preventing the seabed sediment from burying the oyster reefs, thereby creating a good environment for the growth of the oysters and promoting the rapid formation of the oyster reefs.

Further, the method for protecting the dike foot further comprises the following steps: oyster shells are filled in the oyster ecological bag 006; the oyster ecological bag 006 is disposed above the net protecting device 003.

First, fertilized eggs of oysters collected at an oyster nursery are cultured in a culture pond for 14 to 20 days until they grow out of tentacles and can attach. After the oyster seedlings are discharged from the culture pond, the oyster seedlings are conveyed to the attaching pond, and the sterilized oyster shells are put into the attaching pond for the attachment of the oyster seedlings. 1 ~ 2 weeks later, wait that the oyster seedling adheres to firmly, and every oyster shell or shell adhere to 5 ~ 10 oyster seedling after, pack into oyster shell oyster ecological bag 006, then with oyster ecological bag 006 and reef row frame 001 be connected, put into the intertidal zone sea area of sea wall dyke foot department. Subsequently, oysters will naturally grow and breed on the oyster reef rows, and oysters died earlier will become reef-building materials, so that the oyster reef rows become larger and larger in volume and weight.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. An oyster reef row comprising: the reef row frame (001), the ground grabbing device (002) and the net protecting device (003);

the ground grabbing device (002) is connected to the bottom of the reef row frame (001);

the protective net device (003) is connected to and covers the reef row frame (001).

2. The oyster reef row of claim 1 wherein the mesh guard (003) comprises a mesh member constructed of geotextile.

3. The oyster reef row of claim 1 wherein the reef row frame (001) is fitted with an oyster column chamber (004), and the oyster column chamber (004) is provided with oyster piles (005) therein.

4. The oyster reef row of claim 3 wherein the oyster column chambers (004) are mounted at both ends of the reef row frame (001) in a direction perpendicular to a coastline.

5. The oyster reef row of claim 1 further comprising an oyster ecological bag (006), the oyster ecological bag (006) being disposed above the mesh guard (003).

6. The oyster reef row of claim 5 wherein the inner cavity of the oyster ecological bag (006) contains oyster shells, and the oyster ecological bag (006) is provided with apertures communicating with the inner cavity.

7. The oyster reef row of claim 1 wherein the reef row frame (001) comprises: a first side frame (101), a second side frame (102), a third side frame (103), and a fourth side frame (104);

the first side frame (101), the second side frame (102), the third side frame (103) and the fourth side frame (104) are sequentially connected end to end and are arranged in an enclosing mode to form a rectangular frame.

8. The oyster reef row of claim 7 wherein the reef row frame (001) further comprises a frame beam (105), the frame beam (105) being connected within the rectangular frame, and the frame beam (105) extending in a direction perpendicular to a shoreline.

9. A seawall foot guard, comprising: a fender pile (007) and the oyster reef row of any one of claims 1 to 8;

the reef row frame (001) is arranged at the dyke feet of the sea wall, and the ground grabbing device (002) is inserted into the sea bottom;

the protection piles (007) are arranged on one side, away from the embankment, of the oyster reef row, and the protection piles (007) are inserted into the sea bottom.

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