Assembly type vertical bank protection device based on dredged soil

Abstract

The utility model discloses an assembly type vertical bank protection device based on dredged soil, and belongs to the technical field of water conservancy equipment. The device comprises a first bank protection unit, a second bank protection unit and a third bank protection unit which are sequentially stacked in the vertical direction. Ecological nests are respectively formed in the same side walls of the first bank protection unit, the second bank protection unit and the third bank protection unit in an overlapped state; hollow cavities are formed in the middles of the first bank protection unit, the second bank protection unit and the third bank protection unit and used for containing backfill soil through the hollow cavities; the first bank protection unit, the second bank protection unit and the third bank protection unit are each provided with a corresponding hanging ring assembly, and the whole bank protection units are transferred through the hanging ring assemblies. Through the innovative upright design, the material consumption is greatly saved, the mining pressure of non-renewable resources such as natural sand and stones is effectively relieved, and meanwhile, the defects of a traditional slope type revetment in ecological environment construction are made up in a targeted mode through the built-in ecological nest design.

Description

Technical Field

[0001] This utility model relates to a prefabricated vertical revetment device based on dredged soil, belonging to the field of water conservancy equipment technology. Background Technology

[0002] In recent years, strict restrictions on traditional industries such as quarrying have led to an increasingly tight supply of natural sand and gravel materials, even to the point of near depletion, which has directly impacted traditional revetment construction. Sloping revetments, as a widely used form of revetment, rely heavily on non-renewable natural resources such as concrete and stone during their construction, further exacerbating the resource shortage.

[0003] Sloping revetments not only consume a large amount of natural resources during construction, but their design also reveals numerous problems. First, they occupy a significant amount of land, severely limiting their application, especially in areas with scarce land resources. Second, sloping revetments often use large precast concrete components, which are bulky, increasing the difficulty of transportation and installation, prolonging the construction period, and driving up construction costs.

[0004] Beyond the aforementioned physical challenges, traditional sloping revetments have significant shortcomings in their functional design. They overemphasize flood control and the stability of the riverbank structure, neglecting the ecological functions and recreational value of the river. This "engineering-first, ecology-second" design philosophy not only leads to a decline in biodiversity in the revetment area and damages the integrity of the river ecosystem, but also provides limited habitats and breeding grounds for aquatic organisms such as fish and amphibians, seriously threatening their survival and reproduction. Furthermore, traditional revetments often lack harmonious integration with the natural landscape, failing to meet the demands of modern cities for river beautification and improved public space quality.

[0005] Given the many shortcomings of traditional bank protection, and the new requirements of modern society for the comprehensive utilization of river resources, ecological environmental protection and beautification, we urgently need to provide an innovative bank protection structure to overcome the related technical defects faced by existing technologies. Utility Model Content

[0006] The purpose of this utility model is to provide a prefabricated vertical revetment device based on dredged soil, which saves materials by optimizing the structural design, reduces dependence on non-renewable resources, and embeds an ecological nest to make up for the ecological function defects of traditional sloping revetments.

[0007] To solve the above-mentioned technical problems, this utility model is implemented using the following technical solution:

[0008] This utility model provides a prefabricated vertical revetment device based on dredged soil, which includes: a first revetment unit, a second revetment unit and a third revetment unit stacked in sequence in the vertical direction;

[0009] The first revetment unit, the second revetment unit, and the third revetment unit each have corresponding ecological nests on the same side wall in the stacked state;

[0010] The first revetment unit, the second revetment unit, and the third revetment unit all have hollow cavities in the middle, which are used to hold backfill soil.

[0011] The first, second, and third revetment units are each equipped with a corresponding lifting ring assembly, which is used to transfer the entire revetment unit via the lifting ring assembly.

[0012] The prefabricated vertical revetment device based on dredged soil provided by this utility model adopts a modular design. By stacking multiple revetment units, the construction process is simplified, transportation efficiency is improved, and on-site rapid assembly is facilitated. Ecological nests on the sidewalls of the revetment units provide habitat for aquatic organisms, helping to maintain the ecological balance of the water area while improving water quality and enhancing the river landscape. The hollow cavity design can accommodate backfill soil to increase load-bearing capacity and erosion resistance. The addition of lifting ring components makes transportation and installation more convenient, improving construction efficiency. Furthermore, the modular design makes the device easier to maintain and upgrade; damaged individual units can be replaced individually, eliminating the need for large-scale repairs.

[0013] Optionally, the bottom of the first revetment unit is provided with a recessed first tenon hole; the upper part of the second revetment unit is provided with a protruding first tenon, and the lower part is provided with a recessed second tenon hole; the upper part of the third revetment unit is provided with a protruding second tenon.

[0014] The first tenon hole is adapted to the first tenon head to realize the stacking of the first revetment unit and the second revetment unit; the second tenon hole is adapted to the second tenon head to realize the stacking of the second revetment unit and the third revetment unit.

[0015] Optionally, a corresponding circumferential gap is provided between the first mortise and the first tenon, and between the second mortise and the second tenon.

[0016] Optionally, a plurality of first ecological nests are provided on the front sidewall of the first revetment unit, and each first ecological nest penetrates the front sidewall of the first revetment unit.

[0017] Optionally, the first ecological nest has at least one row, and the first ecological nests in the row are arranged at equal intervals.

[0018] Optionally, the first ecological nest is a cylindrical first through hole.

[0019] Optionally, several second ecological nests are provided on the front sidewall of the second revetment unit.

[0020] Optionally, the second ecological nest is arranged in a mesh-like pattern at equal intervals.

[0021] Optionally, the second ecological nest is a square sinking trough that sinks from the outer wall of the front sidewall of the second revetment unit to a first preset depth.

[0022] Optionally, several third ecological nests are provided on the upper part of the front sidewall of the third revetment unit.

[0023] Optionally, the third ecological nest has at least two rows, and the third ecological nests in each row are arranged at equal intervals.

[0024] Optionally, the third ecological nest is a funnel-shaped second through hole, with the larger end of the second through hole used to contact the flowing water and the smaller end used to contact the backfill soil.

[0025] Optionally, a fourth ecological nest may be provided on the lower part of the front sidewall of the third revetment unit.

[0026] Optionally, the fourth ecological nest is a strip-shaped sinking trough that sinks from the outer wall of the front side wall of the third revetment unit to a second preset depth; both ends of the strip-shaped sinking trough open to the outer wall of the left and right side walls of the third revetment unit in the horizontal direction.

[0027] Optionally, the strip-shaped sinking trough is further provided with a baffle on the side near the water flow, and the outer wall surface of the baffle is flush with the outer wall surface of the front side wall of the third revetment unit.

[0028] Optionally, the lifting ring assembly is installed on the top surface of each revetment unit and includes four lifting rings arranged diagonally.

[0029] Compared with the prior art, the beneficial effects achieved by this utility model are as follows:

[0030] (1) This utility model adopts a prefabricated vertical first revetment unit, second revetment unit and third revetment unit, and adopts a prefabricated construction method, which not only reduces the dependence on non-renewable resources, but also greatly improves construction efficiency and transportation efficiency, and shortens the construction cycle. At the same time, each revetment unit is stacked by the cooperation of tenons and mortises, and the structure is stable, which can meet the design requirements of water depth for the waterway, and at the same time ensure the overall stability of the revetment device.

[0031] (2) This utility model also opens an ecological nest on the front side wall of the revetment unit, providing space for aquatic plants and animals to live and reproduce, thus enhancing the ecological function of the revetment device;

[0032] (3) The design of the upper fish nest in this utility model not only provides a living space for aquatic animals, but also takes into account the risk of drowning caused by the inability to grab the hands when people fall into the water due to the slippery vertical revetment. The strip-shaped sinking trough of the lower fish nest is equipped with baffles to prevent the silt accumulated from being washed away by the water flow, which further enhances the stability and functionality of the ecological nest.

[0033] (4) Each revetment unit in this utility model is provided with a lifting ring assembly on its top surface, which facilitates transportation and installation by mechanical equipment, improves construction efficiency, and the circumferential gap between each tenon and tenon hole facilitates hoisting operations, thereby ensuring that each revetment unit can be accurately and quickly stacked together. Attached Figure Description

[0034] Figure 1 The diagram shown is a structural schematic of one embodiment of the prefabricated vertical revetment device based on dredged soil of this utility model.

[0035] Figure 2 The diagram shown is a structural schematic of the first revetment unit in the prefabricated vertical revetment device based on dredged soil of this utility model.

[0036] Figure 3 The diagram shown is a structural schematic of the second revetment unit in the prefabricated vertical revetment device based on dredged soil of this utility model.

[0037] Figure 4 The diagram shown is a structural schematic of the third revetment unit in the prefabricated vertical revetment device based on dredged soil of this utility model.

[0038] Figure 5 The diagram shown is a schematic of the prefabricated vertical revetment device based on dredged soil in a practical application scenario.

[0039] In the diagram: 1-First revetment unit, 101-First lifting ring, 102-First ecological nest, 103-First tenon hole; 2-Second revetment unit, 201-Second lifting ring, 202-First tenon, 203-Second ecological nest, 204-Second tenon hole; 3-Third revetment unit, 301-Third lifting ring, 302-Second tenon, 303-Third ecological nest, 304-Fourth ecological nest, 305-Baffle; 4-Reinforced concrete base slab; 5-Backfill soil; 6-Concrete caisson; 7-Natural soil; 8-Guardrail. Detailed Implementation

[0040] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific features therein are detailed descriptions of the present invention, rather than limitations thereof. In the absence of conflict, the embodiments of the present invention and the technical features therein can be combined with each other.

[0041] Example 1

[0042] This embodiment introduces a prefabricated vertical revetment device based on dredged soil, which includes: a first revetment unit 1, a second revetment unit 2 and a third revetment unit 3 stacked in sequence in the vertical direction;

[0043] The first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 are respectively provided with corresponding ecological nests on the same side wall in the stacked state;

[0044] The first revetment unit 1, the second revetment unit 2 and the third revetment unit 3 are all provided with hollow cavities in the middle, which are used to accommodate backfill soil 5 through the hollow cavities;

[0045] The first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 are also equipped with corresponding lifting ring assemblies, which are used to complete the overall transfer of the revetment unit through the lifting ring assemblies.

[0046] The prefabricated vertical revetment device based on dredged soil provided in this embodiment is constructed by vertically stacking three revetment units (first, second, and third). This design not only facilitates installation and disassembly but also enhances the overall stability and flexibility of the revetment. Secondly, ecological nests are designed on the same side of each revetment unit. The main function of these ecological nests is to provide a suitable ecological environment for plants and animals to inhabit and reproduce. This not only helps maintain ecological balance but also enhances the biodiversity of the revetment and promotes the restoration and protection of the natural environment. Thirdly, a corresponding hollow cavity is provided in the middle of each revetment unit. The main purpose of this design is to accommodate backfill soil 5. The use of backfill soil 5 further enhances the structural stability and foundation bearing capacity of the revetment. Simultaneously, the backfill soil provides the necessary soil conditions for plant growth, promoting vegetation cover and growth. Furthermore, to facilitate the transportation and installation of the revetment units, each revetment unit is equipped with lifting ring assemblies. These lifting ring assemblies can be easily connected to lifting equipment, allowing the revetment units to be easily transported and positioned, greatly improving construction efficiency and safety.

[0047] In summary, the prefabricated vertical revetment device provided in this embodiment, through its innovative stacked structure, ecological placement nest, hollow cavity design, and lifting ring assembly, not only achieves the stable construction of the revetment but also promotes the protection and restoration of the ecological environment. The device as a whole is highly practical.

[0048] Example 2

[0049] This embodiment will introduce the relevant structural composition and functional implementation of a prefabricated vertical revetment device based on dredged soil, as detailed below. In this embodiment, the dimensions of the relevant structural components are specifically described with the channel direction defined as the x-axis (length), the perpendicular channel direction as the y-axis (width), and the vertical direction as the z-axis (height).

[0050] refer to Figure 1 The prefabricated vertical revetment device based on dredged soil provided in this embodiment mainly comprises three parts: a first revetment unit 1 (upper structure), a second revetment unit 2 (middle structure), and a third revetment unit 3 (lower structure). These revetment units are stacked vertically to form a split concrete caisson 6, designed with a strength of C30. The lower structure is a through-hole concrete box structure with a height of 100-150cm, a length of 190cm, and a width of 140cm; the middle structure is also a through-hole concrete box structure with a height of 100-150cm, a length of 190cm, and a width of 140cm; the upper structure is a through-hole concrete box structure with a height of 50-100cm, a length of 190cm, and a width of 140cm. The entire caisson structure has a height of 250-400cm, a length of 190cm, and a width of 140cm, with a wall thickness of 20cm. These parameters meet the structural design requirements for water depth according to the channel requirements.

[0051] Specifically, such as Figures 2 to 4 As shown, the first revetment unit 1 has a recessed first tenon hole 103 at its bottom; the second revetment unit 2 has a protruding first tenon 202 at its upper part and a recessed second tenon hole 204 at its lower part; the third revetment unit 3 has a protruding second tenon 302 at its upper part. Specifically, each tenon is 16cm high and 10cm wide, and each tenon hole is 20cm deep and 11cm wide. That is to say, there are corresponding circumferential gaps between the first tenon hole 103 and the first tenon 202, and between the second tenon hole 204 and the second tenon 302. In this embodiment, the circumferential gap between each tenon and its corresponding tenon hole is set to 1cm to facilitate subsequent hoisting operations.

[0052] The first tenon hole 103 is adapted to the first tenon 202 to realize the stacking of the first revetment unit 1 and the second revetment unit 3; the second tenon hole 204 is adapted to the second tenon 302 to realize the stacking of the second revetment unit 2 and the third revetment unit 3.

[0053] It is worth noting that the first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 are all prefabricated components, employing assembly-type construction, which greatly improves construction and transportation efficiency. In practical applications, the third revetment unit 3 can be cast integrally with the prefabricated reinforced concrete base slab 4 on-site.

[0054] The first revetment unit 1, the second revetment unit 2 and the third revetment unit 3 each have a hollow cavity in the middle, which is used to hold the backfill soil 5.

[0055] The first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 each have corresponding ecological nests on the same side wall in the stacked state.

[0056] Specifically, several first ecological nests 102 are provided on the front sidewall of the first revetment unit 1. In this embodiment, the first ecological nest 102 is a riparian plant hole, which is located above the normal water level during actual application. The first ecological nests 102 are arranged in at least one row, with eight riparian plant holes in each row, and the first ecological nests 102 within each row are equidistant. Each riparian plant hole is a cylindrical through-hole with a diameter of 10cm, and each first ecological nest 102 penetrates the front sidewall of the first revetment unit 1 and connects to the backfill soil. In actual application, by planting riparian plants in the holes and on the backfill soil 5 within the caisson, the vertical revetment wall can provide an ecological landscape.

[0057] Several second ecological nests 203 are provided on the front sidewall of the second revetment unit 2. In this embodiment, the second ecological nests 203 are upper-level fish nests. The second ecological nests 203 are arranged in a net-like pattern at equal intervals, with four upper-level fish nests in each layer. The distance between fish nests in the same layer is set to 10cm. The second ecological nest 203 is a square sinking trough that sinks from the outer wall of the front sidewall of the second revetment unit 2 to a first preset depth. Specifically, each square sinking trough is recessed into the front sidewall of the caisson by 20cm in width, 20cm in height, and 30cm in length. In practical applications, the design of the second ecological nest 203 can provide a living and breeding space for fish and other aquatic animals that prefer shallow water, while also preventing drowning caused by the lack of handholds when someone accidentally falls into the water, thus making it highly practical.

[0058] The upper part of the front sidewall of the third revetment unit 3 is provided with several third ecological nests 303. In this embodiment, the third ecological nest 303 is specifically an aquatic plant hole. The third ecological nest 303 is provided in at least two rows, with 5 aquatic plant holes in each row. The third ecological nests 303 in each row are arranged at equal intervals, with a spacing of 10cm between the holes. The third ecological nest 303 is a funnel-shaped second through hole. The larger end of the second through hole is a 20cm round hole, which is used to contact the flowing water. The smaller end of the second through hole is a 5cm round hole, which is used to contact the backfill soil 5. In practical application, the design of the above-mentioned third ecological nest 303 can prevent the backfill soil from being lost due to excessively large openings on the soil side. On the water side, the aquatic plants growing there can purify the water quality, reduce the flow velocity, and weaken the erosion of the concrete revetment wall by the hydrodynamic force.

[0059] A fourth ecological nest 304 is also provided on the lower part of the front sidewall of the third revetment unit 3. In this embodiment, the fourth ecological nest 304 is specifically a lower-level fish nest. The fourth ecological nest 304 is a strip-shaped sinking groove that sinks from the outer wall surface of the front sidewall of the third revetment unit 3 to a second preset depth. Both ends of the strip-shaped sinking groove open to the outer wall surfaces of the left and right sidewalls of the third revetment unit in the horizontal direction. Specifically, the opening of the strip-shaped sinking groove is 20cm, it extends 190cm through the x-axis, is recessed 40cm along the y-axis, and has a height of 40cm along the z-axis.

[0060] Furthermore, the strip-shaped sinking trough is equipped with a baffle 305 on the side closest to the water flow, and the outer wall of the baffle 305 is flush with the outer wall of the front side wall of the third revetment unit 3. Specifically, the baffle is 10cm thick, 30cm high, and 190cm long, with a bottom plate thickness of 10cm. In practical applications, the baffle 305 design prevents the silt accumulated in the fourth ecological nest 304 from being washed away by the water flow again. The silt deposit in the fourth ecological nest 304 provides nutrients for aquatic plants, thus creating a space where plants and aquatic animals coexist.

[0061] Each of the first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 is also equipped with a corresponding lifting ring assembly for transporting the entire revetment unit. The lifting ring assembly is installed on the top surface of each revetment unit and includes four diagonally arranged lifting rings. Specifically, these lifting rings are steel reinforcement rings cast together with concrete, embedded in the front and rear side walls of the three revetment units near the four corners, extending 4cm beyond the concrete. In practical applications, mechanical equipment can be used for four-point lifting to install each revetment unit to the designated position. (Reference) Figures 2 to 4The top surface of the first revetment unit 1 is provided with four first lifting rings 101 arranged diagonally, the top surface of the second revetment unit 2 is provided with four second lifting rings 201 arranged diagonally, and the top surface of the third revetment unit 3 is provided with four third lifting rings 301 arranged diagonally.

[0062] In practical application, the first revetment unit 1, the second revetment unit 2, and the third revetment unit 3 are prefabricated and cured according to the design strength C30 mix ratio at nearby locations, and then transported to the site using vehicles and machinery. Next, the prefabricated third revetment unit 3 is first installed onto the reinforced concrete base slab 4 using a mechanical crane and a third lifting ring 301. Then, the third revetment unit 3 and the reinforced concrete base slab 4 are poured on-site. After reaching the required strength, the third revetment unit 3 is backfilled with soil 5. After the third revetment unit 1 is backfilled, the mechanical crane continues to work, accurately installing the prefabricated second revetment unit 2 onto the third revetment unit 3 using a second lifting ring 201, and then backfilling the second revetment unit 2 with soil 5. After the second revetment unit 2 is backfilled, the mechanical crane continues to work, accurately installing the prefabricated first revetment unit 1 onto the second revetment unit 2 using a first lifting ring 101. Finally, the first revetment unit 1 is backfilled with soil 5, completing the prefabricated construction.

[0063] refer to Figure 5 Before the channel is filled with water after the entire caisson is installed, aquatic plant seedlings are planted and cultivated in the first ecological nest 102 and the third ecological nest 303. Then, the channel is filled with water to allow the aquatic plants to grow normally and absorb nutrients such as nitrogen and phosphorus from the water, reducing eutrophication and helping to purify the water. Further, natural soil 7 is backfilled as needed, and guardrails 8 are installed. A cement road is then laid behind the guardrails 8 for pedestrians to walk and relax. This achieves a vertical revetment that integrates landscape, ecology, leisure, material conservation, and waste utilization.

[0064] It is also worth noting that the implementation of inland waterway improvement projects has led to a year-on-year increase in the annual dredging volume. The annual maintenance dredging volume of the Yangtze River alone has reached 20 million cubic meters, a large portion of which has extremely fine particle size and uneven particle size distribution. Traditional disposal methods usually involve dumping the dredged soil in designated waters or directly into deep channels near the dredging site, failing to utilize it effectively. This results in significant waste, impacts aquatic ecological protection, and is ill-suited to addressing the increasingly scarce resources and severe environmental pollution of our time.

[0065] In view of this, this embodiment innovatively replaces the aggregate in concrete with dredged soil from the nearby construction channel and processes it into a prefabricated caisson structure. This design not only reduces the adverse impact of the traditional "dredging and dumping" method of channel dredging on the aquatic ecology and environment, and to a certain extent reduces channel siltation and improves channel dredging efficiency, but also reduces transportation costs for dumping, lowers project costs, saves on the use of traditional sand and gravel materials, and protects the environment. Specifically, the particle size range of the dredged soil is over 90% with a particle size d ≥ 0.075 mm.

[0066] In the description of this disclosure / application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to explain the relative positional relationship and movement between components in a specific orientation. If the specific orientation changes, the directional indication will also change accordingly. These terms are used only for the convenience of describing this disclosure / application and for simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure / application.

[0067] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this disclosure / application, unless otherwise stated, "a plurality of" means two or more.

[0068] In the description of this disclosure / application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joint" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to a connection within two components. Those skilled in the art will understand the specific meaning of the above terms in this disclosure / application based on the specific circumstances.

[0069] The above description is only a preferred embodiment of this disclosure / application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this disclosure / application, and these improvements and modifications should also be considered within the protection scope of this disclosure / application.

Claims

1. A prefabricated vertical revetment device based on dredged soil, characterized in that, include: The first revetment unit (1), the second revetment unit (2), and the third revetment unit (3) are stacked sequentially in the vertical direction. The first revetment unit (1), the second revetment unit (2) and the third revetment unit (3) are respectively provided with corresponding ecological nests on the same side wall in the stacked state; The first revetment unit (1), the second revetment unit (2) and the third revetment unit (3) are all provided with a hollow cavity in the middle, which is used to accommodate backfill soil through the hollow cavity; The first revetment unit (1), the second revetment unit (2) and the third revetment unit (3) are also equipped with corresponding lifting ring assemblies, which are used to complete the overall transfer of the revetment unit through the lifting ring assemblies.

2. The prefabricated vertical revetment device based on dredged soil according to claim 1, characterized in that, The first revetment unit (1) has a concave first tenon hole (103) at the bottom; the second revetment unit (2) has a convex first tenon (202) at the top and a concave second tenon hole (204) at the bottom; the third revetment unit has a convex second tenon (302) at the top. The first mortise (103) is adapted to the first tenon (202) to realize the stacking of the first revetment unit (1) and the second revetment unit (2); the second mortise (204) is adapted to the second tenon (302) to realize the stacking of the second revetment unit (2) and the third revetment unit (3).

3. The prefabricated vertical revetment device based on dredged soil according to claim 2, characterized in that, A corresponding circumferential gap is provided between the first mortise (103) and the first tenon (202), and between the second mortise (204) and the second tenon (302).

4. The prefabricated vertical revetment device based on dredged soil according to claim 1, characterized in that, A plurality of first ecological nests (102) are provided on the front side wall of the first revetment unit (1), and each first ecological nest (102) penetrates the front side wall of the first revetment unit (1); The first ecological nest (102) has at least one row, and the first ecological nests (102) in the row are arranged at equal intervals; the first ecological nest (102) is a cylindrical first through hole.

5. The prefabricated vertical revetment device based on dredged soil according to claim 1, characterized in that, Several second ecological nests (203) are provided on the front side wall of the second revetment unit (2); The second ecological nest (203) is arranged in a net-like pattern at equal intervals; the second ecological nest (203) is a square sinking trough that sinks from the outer wall of the front side wall of the second revetment unit (2) to a first preset depth.

6. The prefabricated vertical revetment device based on dredged soil according to claim 1, characterized in that, Several third ecological nests (303) are provided on the upper part of the front side wall of the third revetment unit (3). The third ecological nest (303) has at least two rows, and the third ecological nests (303) in each row are arranged at equal intervals; the third ecological nest (303) is a trumpet-shaped second through hole, and the large end corresponding to the second through hole is used to contact the flowing water, and the small end corresponding to the second through hole is used to contact the backfill soil.

7. The prefabricated vertical revetment device based on dredged soil according to claim 6, characterized in that, The lower part of the front side wall of the third revetment unit (3) is also provided with a fourth ecological nest (304). The fourth ecological nest (304) is a strip-shaped sinking trough that sinks from the outer wall of the front side wall of the third revetment unit (3) to a second preset depth; the strip-shaped sinking trough opens to the outer wall of the left and right side walls of the third revetment unit (3) at both ends in the horizontal direction.

8. The prefabricated vertical revetment device based on dredged soil according to claim 7, characterized in that, The strip-shaped sinking channel is also provided with a baffle (305) on the side near the water flow, and the outer wall of the baffle (305) is flush with the outer wall of the front side wall of the third revetment unit (3).

9. The prefabricated vertical revetment device based on dredged soil according to claim 1, characterized in that, The lifting ring assembly is installed on the top surface of each revetment unit and includes four lifting rings arranged diagonally.

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