Ecological embankment

Abstract

The utility model discloses an ecological embankment, belongs to the technical field of river embankments, and aims to solve the problems that according to a traditional embankment structure, water and soil exchange in a region is blocked, growth of plants is inhibited, the anti-scouring capacity is single, and the later maintenance cost is high. An ecological reinforcing structure is laid on the water facing side of the soil embankment body and comprises a pre-embedded reinforcing unit and a plurality of ecological soil fixing units, the pre-embedded reinforcing unit is of a grid type frame structure, and the pre-embedded reinforcing unit is inserted into the water facing side of the soil embankment body and used for reinforcing the soil embankment body. Each ecological soil fixation unit is correspondingly arranged in one grid area in the pre-embedded reinforcement unit, each ecological soil fixation unit is laid on the soil embankment main body in the corresponding grid area, and the ecological soil fixation units are used for further reinforcing the soil embankment main body. The structure is mainly used for water blocking structures on the two sides of the river channel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to river embankment technical field, concretely relates to an ecological embankment. BACKGROUND

[0002] River embankment is the water-blocking structure distributed on both sides of river channel, and is also the common structure for preventing water and soil loss in water conservancy project, the traditional embankment structure for river embankment is the sand slope on both sides of river channel as the bank body foundation, and is reinforced on the water side through rigid structure such as concrete and masonry, the bank body (dam body) is relatively stable, can effectively resist the erosion of river flow, protects the slope structure on both sides of river channel, and reduces the risk of water and soil loss, but the bank body (dam body) also has certain disadvantages in practical application, the first point is that the slope on both sides of river channel is caused certain ecological damage, the water and soil exchange in the region is blocked, and the growth of plants is inhibited, the second point is that the single anti-scouring capacity has high maintenance cost in later period: long-term use is prone to overall failure due to local damage, so artificial timely repair cracks or collapse area is required, therefore, based on the disadvantages of existing river embankment, developing a new ecological river embankment is very practical. SUMMARY

[0003] The utility model discloses to solve the problem that the traditional embankment structure exists and blocks the water and soil exchange in the region, inhibits the growth of plants and the single anti-scouring capacity has high maintenance cost in later period, and further provides an ecological embankment;

[0004] An ecological embankment, the ecological embankment includes the soil embankment main part, the water side of the soil embankment main part is paved with ecological reinforcement structure, and the ecological reinforcement structure includes a pre-buried reinforcement unit and a plurality of ecological soil fixation units, the pre-buried reinforcement unit is a net format frame structure, and the pre-buried reinforcement unit is inserted on the water side of the soil embankment main part and is used for reinforcing the soil embankment main part, each ecological soil fixation unit is arranged in a grid area in the pre-buried reinforcement unit, and each ecological soil fixation unit is paved on the soil embankment main part in the grid area, and the ecological soil fixation unit is used for further reinforcing the soil embankment main part;

[0005] Further, the pre-buried reinforcement unit includes a plurality of anchoring assemblies, the plurality of anchoring assemblies are inserted on the water side of the soil embankment main part in a rectangular matrix distribution mode, two adjacent anchoring assemblies are connected through a partition plate, and the two ends of the partition plate are detachably connected with a corresponding anchoring assembly, and the plurality of anchoring assemblies and the plurality of partition plates combine to form a net format frame structure;

[0006] Furthermore, the anchoring assembly includes an anchor block, an anchor, a concrete grout layer, and an anchor end cap. The anchor is inserted into the earthen embankment body in a direction perpendicular to the water-facing side of the earthen embankment body, with one end of the anchor remaining in the earthen embankment body and the other end extending to the outside of the earthen embankment body on the water-facing side. A concrete grout layer fills the space between the anchor and the earthen embankment body, and the anchor is securely connected to the earthen embankment body through the concrete grout layer. The anchor block is fitted onto the end of the anchor that extends out of the earthen embankment body and is pressed onto the water-facing side of the earthen embankment body. The anchor end cap is installed on the anchor block and is detachably connected to the anchor block. The anchor end cap is used to seal and limit the extension end of the anchor.

[0007] Furthermore, the anchor block includes a block body, a connecting cylinder, and four connecting slots. The block body is a square block with a through hole machined at the bottom center. The connecting cylinder is located at the top center of the block body and is integrally formed with the block body. Multiple tie rod through holes are machined at the top center of the connecting cylinder, and each tie rod through hole communicates with the through hole on the block body. External threads are machined on the outer circumferential surface of the connecting cylinder. The anchor end cap is fitted onto the connecting cylinder and is detachably connected to the connecting cylinder via threads. The four connecting slots are equidistantly arranged on the top of the block body along the circumference, and each connecting slot is integrally formed with the block body. The closed end of each connecting slot faces the connecting cylinder, and the open end of each connecting slot faces the edge of the block body. Each end of the partition is correspondingly located in a connecting slot and is detachably connected to the connecting slot.

[0008] Furthermore, the ecological soil stabilization unit includes a water-retaining filter layer, a matrix soil stabilization layer, and an ecological vegetation layer, which are stacked sequentially from bottom to top in a grid area of ​​the pre-embedded reinforcement unit.

[0009] Furthermore, the water-retaining filter layer is a double-layer composite geotextile, with the upper layer being a permeable fabric, the permeable pore diameter of each permeable pore in the permeable fabric being ≤0.1mm, and the lower layer being a water-retaining cotton felt.

[0010] Furthermore, the matrix soil stabilization layer includes honeycomb geocell panels, which are laid on the water-retaining filter layer, and the edges of the honeycomb geocell panels are in close contact with the compaction block body and partitions. Each geocell in the honeycomb geocell panel is filled with organic matrix filler.

[0011] Furthermore, the organic matrix filler is composed of three materials: humus, vermiculite, and straw fragments, with a mass ratio of 6:3:1.

[0012] Furthermore, the ecological vegetation layer is a plant fiber blanket, which contains mixed grass seeds and seeds of drought-resistant crops;

[0013] Further, the ecological bank further comprises a drainage unit arranged at the lower part of the soil bank body towards the water side, the drainage unit comprises a plurality of drainage pipes, the plurality of drainage pipes are arranged equidistantly in sequence along the length direction of the soil bank body towards the water side, each drainage pipe is inserted obliquely upwards in the soil bank body, one end of each drainage pipe is reserved inside the soil bank body, the other end of each drainage pipe extends to the outside of the soil bank body, a drainage cover is detachably installed on the extending end of the drainage pipe, the outer wall of the extending end of the drainage pipe is wrapped with a concrete fixing base, and the extending end of the drainage pipe is fixed on the water side of the soil bank body through the concrete fixing base;

[0014] The present application has the following beneficial effects over the prior art:

[0015] The ecological bank provided by the present application is a composite ecological bank, the ecological vegetation layer covering the surface of the ecological bank can be effectively converted into organic matter after degradation, reducing the need for later fertilization, and the seeds of mixed grasses and drought-resistant crops are arranged in the ecological vegetation layer, wherein the seeds of the drought-resistant crops are selected from the seeds of local drought-resistant crops in the river area, and the local drought-resistant crops and the mixed grasses can be beneficial to the reconstruction of local plant communities and the improvement of biodiversity by more than 30%, so that the ecological bank has good ecological benefits, and the roots of the plants and grasses extend deep into the bank body, which is also beneficial to the reinforcement of the soil bank body, ensuring the stability and soil fixation of the bank, resisting water erosion, and effectively preventing soil erosion in the area;

[0016] The ecological bank provided by the present application discards the traditional surface pouring concrete method, so that the water flow in the river and the soil near the bank can effectively exchange water and soil, and promote the growth of plants in the area near the bank. The anchor rod structure used in the present application is an ecological anchor rod made of glass fiber material, which is a flexible anchoring structure. The use of a flexible anchoring structure as a basis can effectively improve the flexibility and self-adaptability of the ecological reinforcement to be constructed. According to actual use, the ecological reinforcement provided by the present application can adapt to a slope deformation of ±5cm, and has a service life of 15 years.

[0017] Compared with the traditional concrete bank structure, the ecological bank provided by the present application has a comprehensive cost reduction of 25% and a maintenance cost reduction of 60%, which significantly improves the use economy. The ecological bank provided by the present application adopts a flexible anchoring structure combined with a biological matrix and a multi-stage collaborative mechanism of dynamic drainage, eliminates the single disadvantage of the traditional bank's anti-erosion ability, realizes the unity of the ecological benefits and mechanical properties of the bank engineering, and is suitable for use in small watershed river bank construction. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A side view of the ecological embankment according to the present application;

[0019] Figure 2 A side view of the ecological embankment according to the present application;

[0020] Figure 3 A side view of the ecological embankment according to the present application;

[0021] Figure 4 A side view of the ecological embankment according to the present application;

[0022] Figure 5 A side view of the ecological embankment according to the present application; Figure 1 A partial enlarged view of A in the figure;

[0023] Figure 6 A side view of the ecological embankment according to the present application; Figure 2 A partial enlarged view of B in the figure;

[0024] Figure 7 A side view of the ecological embankment according to the present application;

[0025] Figure 8 A side view of the ecological embankment according to the present application;

[0026] Figure 1 anchor block, 1-1 block body, 1-2 connecting cylinder, 1-3 connecting groove, 2 partition, 3 anchor rod, 4 concrete grout layer, 5 anchor rod end cover, 6 honeycomb geocell board, 7 water-retaining filter layer, 8 organic substrate filler, 9 ecological vegetation layer, 10 drainage pipe, 11 end drainage cover, 12 concrete fixed foundation, 13 soil embankment body and 14 drainage inner cavity. DETAILED DESCRIPTION

[0027] Specific implementation one: combined with Figures 1 to 8 In the present embodiment, an ecological embankment is provided, which comprises a soil embankment body 13, and an ecological reinforcement structure is laid on the water side of the soil embankment body 13. The ecological reinforcement structure comprises a pre-buried reinforcement unit and a plurality of ecological soil stabilization units. The pre-buried reinforcement unit is a net-shaped frame structure, which is inserted into the water side of the soil embankment body 13 and used for reinforcing the soil embankment body 13. Each ecological soil stabilization unit is arranged in a grid area in the pre-buried reinforcement unit, and each ecological soil stabilization unit is laid on the soil embankment body 13 in the grid area. The ecological soil stabilization unit is used for further reinforcing the soil embankment body 13.

[0028] The ecological bank provided in the embodiment is formed by reinforcing the soil slope on both sides of the river channel through cooperation of the pre-embedded reinforcing unit and the plurality of ecological soil-fixing units. Compared with the traditional bank structure, the application can effectively exchange water and soil between the water flow in the river channel and the soil near the bank, can promote the growth of plants in the area near the bank, and is beneficial to the reconstruction of the local plant community to achieve better effects of flood control and water and soil loss prevention.

[0029] Specific embodiment two: combination Figures 1 to 8 In the embodiment, the difference between the embodiment and the specific embodiment one is that the pre-embedded reinforcing unit includes a plurality of anchoring assemblies, the plurality of anchoring assemblies are inserted in a rectangular matrix distribution mode on the water side of the soil bank body 13, two adjacent anchoring assemblies are connected through a partition plate 2, and the two ends of the partition plate 2 are respectively detachably connected with a corresponding anchoring assembly, and the plurality of anchoring assemblies and the plurality of partition plates 2 form a net format frame structure. The other components and connection modes are the same as those of the specific embodiment one.

[0030] Specific embodiment three: combination Figures 1 to 8 In the embodiment, the difference between the embodiment and the specific embodiment two is that the anchoring assembly includes an anchor rod pressing block 1, an anchor rod 3, a concrete slurry layer 4, and an anchor rod end cover 5, the anchor rod 3 is inserted in the soil bank body 13 along a direction perpendicular to the water side of the soil bank body 13, and one end of the anchor rod 3 is retained in the soil bank body 13, the other end of the anchor rod 3 extends to the outside of the water side of the soil bank body 13, the concrete slurry layer 4 is filled between the anchor rod 3 and the soil bank body 13, the anchor rod 3 is tightly connected with the soil bank body 13 through the concrete slurry layer 4, the anchor rod pressing block 1 is sleeved on the end of the anchor rod 3 extending out of the soil bank body 13, and the anchor rod pressing block 1 is pressed on the water side of the soil bank body 13, the anchor rod end cover 5 is arranged on the anchor rod pressing block 1 and detachably connected with the anchor rod pressing block 1, and the anchor rod end cover 5 is used for plugging and limiting the extension end of the anchor rod 3. The other components and connection modes are the same as those of the specific embodiment two.

[0031] Specific embodiment four: combination Figures 1 to 8The difference between the embodiment and the third specific embodiment is that the anchor rod pressing block 1 comprises a pressing block body 1-1, a connecting cylinder 1-2 and four connecting grooves 1-3. The pressing block body 1-1 is a square block body, a through hole is formed at the center of the bottom of the pressing block body 1-1, the connecting cylinder 1-2 is arranged at the center of the top of the pressing block body 1-1 and integrally formed with the pressing block body 1-1, a plurality of rib through holes are formed at the center of the top of the connecting cylinder 1-2, each rib through hole is in communication with the through hole on the pressing block body 1-1, external threads are formed on the outer cylindrical surface of the connecting cylinder 1-2, the anchor rod end cover 5 is sleeved on the connecting cylinder 1-2 and detachably connected with the connecting cylinder 1-2 through threads, the four connecting grooves 1-3 are equidistantly arranged on the top of the pressing block body 1-1 in the circumferential direction, each connecting groove 1-3 is integrally formed with the pressing block body 1-1, the closed end of each connecting groove 1-3 is arranged towards the connecting cylinder 1-2, the open end of each connecting groove 1-3 is arranged towards the edge of the pressing block body 1-1, and each end of the partition plate 2 is correspondingly arranged in one connecting groove 1-3 and detachably connected with the connecting groove 1-3. The other components and connection modes are the same as those in the third specific embodiment.

[0032] In combination with the second to fourth specific embodiments, the anchor rod 3 in the application is an ecological anchor rod made of glass fiber material, the length of the anchor rod is about 1.5 m, the horizontal and vertical arrangement interval is the same, and the interval is usually between 1-1.5 m. The application uses the ecological anchor rod to cooperate with the partition plate 2 to form a reinforced foundation of the embankment to the water side, which belongs to a flexible reinforcing structure and can well adapt to the slight deformation of the soil embankment main body 13 caused by seasonal and other environmental factors. The anchor rod pressing block 1-1 is made of a steel structure or a concrete block structure, the connecting groove 1-3 is used for connecting and fixing and limiting the two ends of the partition plate 2. Since the embankment to the water side is arranged in an inclined manner, the partition plate 2 is directly embedded into the two opposite connecting grooves 1-3 and the groove walls of the connecting grooves 1-3 can also constrain the working position of the partition plate 2. In the later stage of adding the ecological reinforcing structure, the working stability of the partition plate 2 can still be ensured. However, in general, connecting through holes need to be formed on the groove walls on both sides of the connecting groove 1-3, and corresponding through holes also need to be formed on the side walls of the ends of the partition plate 2. Finally, the connecting groove 1-3 and the partition plate 2 are detachably fixed through the bolt and nut structure.

[0033] Specific embodiment five: in combination with Figures 1 to 8 In the embodiment, the difference between the embodiment and the fourth specific embodiment is that the ecological soil fixation unit comprises a water-retaining filter layer 7, a substrate soil fixation layer and an ecological vegetation layer 9. The water-retaining filter layer 7, the substrate soil fixation layer and the ecological vegetation layer 9 are sequentially arranged in a grid area in the pre-buried reinforcing unit from bottom to top. The other components and connection modes are the same as those in the fourth specific embodiment.

[0034] Specific implementation six: combination Figures 1 to 8 In this embodiment, the upper layer of the water-retaining filter layer 7 is a water-permeable cloth, which is mainly used for water permeation, so that rainwater and other moisture can penetrate downward step by step, and the water-retaining cotton felt is used for intercepting silt and slowly releasing water to the upper layer.

[0035] In this embodiment, the upper layer of the water-retaining filter layer 7 is a water-permeable cloth, which is mainly used for water permeation, so that rainwater and other moisture can penetrate downward step by step, and the water-retaining cotton felt is used for intercepting silt and slowly releasing water to the upper layer.

[0036] Specific implementation seven: combination Figures 1 to 8 In this embodiment, the matrix soil-retaining layer includes a honeycomb geocell board 6, which is laid on the water-retaining filter layer 7, and the edges of the honeycomb geocell board 6 are in close contact with the briquetting body 1-1 and the partition plate 2, and each geocell in the honeycomb geocell board 6 is filled with an organic matrix filler 8. The other components and connection modes are the same as those of the specific implementation six.

[0037] Specific implementation eight: combination Figures 1 to 8 In this embodiment, the organic matrix filler 8 is mixed from humus soil, vermiculite and straw debris, and the mass ratio of the three materials is 6:3:1. The other components and connection modes are the same as those of the specific implementation seven.

[0038] In combination of the specific implementation seven and the specific implementation eight, the honeycomb geocell board 6 used in this application is made of HDPE, and the size of each geocell unit is about 20cm x 20cm. In addition to humus soil, vermiculite and straw debris as the basis, the organic matrix filler 8 also needs to be mixed with microbial agents during mixing. The microbial agents can be selected from nitrogen-fixing bacteria or phosphorus-dissolving bacteria. Adding microbial agents can help to activate soil activity and improve the coverage efficiency and survival rate of vegetation.

[0039] Specific implementation nine: combination Figures 1 to 8 In this embodiment, the ecological vegetation layer 9 is a plant fiber blanket, which is provided with mixed grass seeds and drought-resistant crop seeds. The other components and connection modes are the same as those of the specific implementation eight.

[0040] In this embodiment, the plant fiber blanket is made of degradable plant fiber blanket woven from coconut shell, and the general degradation period is 3-5 years. The mixed grass species can be selected from cold and humid grass species such as tall fescue and kikuyu grass, which can tolerate long-term flooding. Drought-resistant crops should consider local drought-resistant crops in the embankment area. Through the cooperation between local crops and grass species, the local plant community can be reconstructed, and the biodiversity can be improved by more than 30%.

[0041] Specific embodiment ten: combination Figures 1 to 8 In this embodiment, the difference between this embodiment and specific embodiment nine is that the ecological embankment further includes a drainage unit. The drainage unit is arranged at the lower part of the soil embankment body 13 towards the water side. The drainage unit includes a plurality of drainage pipes 10, which are arranged equidistantly along the length direction of the soil embankment body 13 towards the water side. Each drainage pipe 10 is inserted obliquely upwards in the soil embankment body 13. One end of each drainage pipe 10 is retained inside the soil embankment body 13, and the other end of each drainage pipe 10 extends to the outside of the soil embankment body 13. A drainage cover 11 is detachably installed on the extending end of the drainage pipe 10. The outer wall of the extending end of the drainage pipe 10 is wrapped with a concrete fixing base 12. The extending end of the drainage pipe 10 is fixed to the water side of the soil embankment body 13 through the concrete fixing base 12. The other components and connection modes are the same as those of specific embodiment nine.

[0042] In this embodiment, the drainage pipe is a double-layer pipe structure. The outer part is a mesh metal pipe or a gravel layer as a support and a soil barrier. The inner part is a water permeable pipe for collecting water seeping into the soil embankment body 13 and then uniformly discharging it into the river channel, so as to avoid the existence of internal water in the dam body structure, thereby affecting the stability of the dam body structure. In actual application, some construction units also optimize the internal structure of the soil embankment body 13 by arranging a drainage inner cavity 14 and supporting the inner wall of the drainage inner cavity 14. The support part is generally a water permeable pipe structure. The end of the drainage pipe 10 extending into the soil embankment body 13 is connected with the water permeable pipe in the drainage inner cavity 14, so as to effectively discharge the internal water of the bank body. The outer part of the water permeable pipe structure is also provided with a corresponding soil barrier structure, which can be constructed by a mesh metal pipe or a gravel layer.

[0043] The above-mentioned embodiments of the present application have been disclosed in the preferred embodiments, but are not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned structures and technical contents without departing from the technical solution of the present application, and equivalent embodiments can be obtained. However, any simple modification, equivalent change and modification made to the above-mentioned embodiments according to the technical essence of the present application shall still fall within the scope of the technical solution of the present application.

[0044] Working principle

[0045] The ecological bank provided by the application is firstly trimmed in use. The trimming includes implanting drainage structure and trimming the slope to the water side. The slope is usually trimmed to 35°-45°. After trimming to the water side, the embedded reinforcing unit is arranged on the water side of the soil bank body 13. Firstly, the ecological anchor rod 13 is implanted on the water side of the soil bank body 13 to preliminarily reinforce the soil bank body 13. Then, the baffle 2 is arranged on the water side of the soil bank body 13, so that the water side of the soil bank body 13 presents a net format frame structure. After the embedded reinforcing unit is arranged, the water retaining filter layer, the matrix soil retaining layer and the ecological vegetation layer are sequentially covered in each grid area of the embedded reinforcing unit. The matrix soil retaining layer is filled with organic matrix in the room, and the plant fiber blanket is laid on the surface layer and the seed mixture is sprayed and seeded. The initial spraying maintenance is once a week. With the growth of the grass seed roots and the crop roots, the soil bank body 13 is further reinforced to ensure the stability of the bank in use.

Claims

1. An ecological embankment, comprising an earthen embankment body (13), characterized in that: An ecological reinforcement structure is laid on the water-facing side of the earthen embankment (13). The ecological reinforcement structure includes a pre-embedded reinforcement unit and multiple ecological soil-stabilizing units. The pre-embedded reinforcement unit is a grid frame structure. The pre-embedded reinforcement unit is inserted into the water-facing side of the earthen embankment (13) and is used to reinforce the earthen embankment (13). Each ecological soil-stabilizing unit is arranged in a grid area of ​​the pre-embedded reinforcement unit, and each ecological soil-stabilizing unit is laid on the earthen embankment (13) in its grid area. The ecological soil-stabilizing unit is used to further reinforce the earthen embankment (13).

2. The ecological embankment according to claim 1, characterized in that: The pre-embedded reinforcement unit includes multiple anchoring components. The multiple anchoring components are inserted into the water-facing side of the earthen embankment main body (13) in a rectangular matrix distribution. Adjacent anchoring components are connected by a partition (2), and the two ends of the partition (2) are respectively detached and connected to a corresponding anchoring component. The multiple anchoring components and multiple partitions (2) are combined to form a grid frame structure.

3. The ecological embankment according to claim 1, characterized in that: The anchoring assembly includes an anchor block (1), an anchor (3), a concrete grout layer (4), and an anchor end cap (5). The anchor (3) is inserted into the earthen embankment body (13) in a direction perpendicular to the water side of the earthen embankment body (13), with one end of the anchor (3) remaining in the earthen embankment body (13) and the other end of the anchor (3) extending to the outside of the earthen embankment body (13) on the water side. The space between the anchor (3) and the earthen embankment body (13) is filled with concrete grout. Layer (4), anchor rod (3) is fastened to the soil embankment body (13) through concrete grout layer (4), anchor rod block (1) is sleeved on one end of anchor rod (3) extending out of soil embankment body (13), and anchor rod block (1) is pressed on the water-facing side of soil embankment body (13), anchor rod end cap (5) is set on anchor rod block (1) and detached from anchor rod block (1), anchor rod end cap (5) is used to seal and limit the extension end of anchor rod (3).

4. An ecological embankment according to claim 3, characterized in that: The anchor block (1) includes a block body (1-1), a connecting cylinder (1-2), and four connecting slots (1-3). The block body (1-1) is a square block. A through hole is machined at the bottom center of the block body (1-1). The connecting cylinder (1-2) is located at the top center of the block body (1-1) and is integrally formed with the block body (1-1). Multiple tie rod through holes are machined at the top center of the connecting cylinder (1-2), and each tie rod through hole is connected to the through hole on the block body (1-1). External threads are machined on the outer surface of the connecting cylinder (1-2). The end cap (5) of the rod is fitted onto the connecting cylinder (1-2) and is detached from the connecting cylinder (1-2) by threads. Four connecting grooves (1-3) are equidistantly arranged on the top of the pressure block body (1-1) along the circumference. Each connecting groove (1-3) is integrally formed with the pressure block body (1-1). The closed end of each connecting groove (1-3) faces the connecting cylinder (1-2), and the open end of each connecting groove (1-3) faces the edge of the pressure block body (1-1). Each end of the partition (2) is correspondingly set in a connecting groove (1-3) and is detached from the connecting groove (1-3).

5. An ecological embankment according to claim 4, characterized in that: The ecological soil stabilization unit includes a water-retaining filter layer (7), a matrix soil stabilization layer, and an ecological vegetation layer (9). The water-retaining filter layer (7), the matrix soil stabilization layer, and the ecological vegetation layer (9) are stacked sequentially from bottom to top in a grid area of ​​the pre-embedded reinforcement unit.

6. An ecological embankment according to claim 5, characterized in that: The water-retaining filter layer (7) is a double-layer composite geotextile. The upper layer of the water-retaining filter layer (7) is a permeable cloth, and the permeable hole diameter of each permeable hole in the permeable cloth is ≤0.1mm. The lower layer of the water-retaining filter layer (7) is a water-storing cotton felt.

7. An ecological embankment according to claim 6, characterized in that: The matrix soil stabilization layer includes a honeycomb geocell panel (6), which is laid on the water-retaining filter layer (7). The edge of the honeycomb geocell panel (6) is in close contact with the compaction block body (1-1) and the partition (2). Each geocell in the honeycomb geocell panel (6) is filled with organic matrix filler (8).

8. An ecological embankment according to claim 6, characterized in that: The ecological vegetation layer (9) is a plant fiber blanket containing mixed grass seeds and seeds of drought-resistant crops.

9. An ecological embankment according to claim 1, 4, or 7, characterized in that: The ecological embankment also includes a drainage unit, which is arranged in the lower part of the earthen embankment body (13) on the water-facing side. The drainage unit includes multiple drainage pipes (10). The multiple drainage pipes (10) are arranged equidistantly along the length of the earthen embankment body (13) on the water-facing side. Each drainage pipe (10) is inserted obliquely upward into the earthen embankment body (13). One end of each drainage pipe (10) is retained inside the earthen embankment body (13), and the other end of each drainage pipe (10) extends to the outside of the earthen embankment body (13). An end drainage cap (11) is detachably installed on the extension end of the drainage pipe (10). The outer wall of the extension end of the drainage pipe (10) is wrapped with a concrete fixing foundation (12). The extension end of the drainage pipe (10) is fixed to the water-facing side of the earthen embankment body (13) by the concrete fixing foundation (12).

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