Ecological restoration structure for eroded gully bank

Abstract

The utility model discloses an eroded gully bank ecological restoration structure which is mainly distributed at the gully bottom and bank slopes on the two sides of an eroded gully and comprises gabion energy dissipation ridges, a plurality of gabion energy dissipation ridges are distributed in the direction perpendicular to the water flow direction of the eroded gully at intervals, and the gabion energy dissipation ridges are perpendicularly connected between gabion protection feet. Gabion protection feet are arranged at the slope toe in the direction parallel to the water flow direction of the erosion gully, and ecological bag protection slopes are arranged between the gabion protection feet and the living willow piles; the multiple sets of living body willow piles are fixedly planted in the soil body at intervals in the length direction of the erosion gully slope toe to form a row-shaped willow pile unit; multiple groups of row-shaped willow pile units are obliquely planted in the direction from the ditch bottom line to the ditch edge line, and are distributed at intervals to form a willow pile planting group; ecological bag protection slopes are arranged between the living willow piles distributed at intervals in the length direction of the slope toe of the erosion gully and between the adjacent row-shaped willow pile units; according to the device, due to the unique structural form, eco-friendly materials and technologies are adopted, the construction cost is reduced, and meanwhile the device has the effects of retaining silt and recovering bank slope vegetation.

Description

TECHNICAL FIELD

[0001] The utility model relates to ecological restoration technical field especially relates to an erosion ditch bank ecological restoration structure. BACKGROUND

[0002] In the field of agriculture, unreasonable land use methods such as excessive reclamation, excessive grazing, etc. lead to intensified soil erosion, and frequent occurrence of ditch bank collapse. This not only destroys the integrity of farmland, reduces the arable land area, but also causes soil fertility to decline, affecting the yield and quality of crops, and bringing huge economic losses to agricultural production.

[0003] From the perspective of ecological environment, the erosion ditch destroys the original ecological system balance. The reduction of vegetation and the destruction of biological habitat lead to the decline of biodiversity. Water and soil loss makes a large amount of sediment enter rivers and lakes, causing water pollution and siltation, affecting the health of water ecological system. At the same time, the instability of ditch bank also increases the risk of natural disasters such as floods, mudslides, etc., which threatens the safety of life and property of people in the surrounding areas.

[0004] In terms of land resource utilization, the erosion ditch makes the land become fragmented, which is difficult to effectively plan and develop and utilize. This limits the construction of infrastructure, the expansion of cities, and the rational layout of industry and agriculture, and restricts the economic development of the region.

[0005] Traditional erosion ditch treatment methods often focus on engineering measures, have a greater impact on the ecological environment, and are difficult to fundamentally solve the ecological restoration problem of erosion ditch bank. Therefore, it is of great practical significance and urgency to develop an erosion ditch bank ecological restoration structure that can effectively prevent ditch bank erosion and promote ecological system recovery. This structure needs to consider soil, vegetation, hydrology and other factors, use ecological friendly materials and technology, and realize the win-win situation of ecology, economy and social benefits. UTILITY MODEL CONTENT

[0006] The utility model aims at providing an erosion ditch bank ecological restoration structure with ecological friendly materials and technology, which has the functions of retaining sediment, runoff energy dissipation, and is beneficial to vegetation recovery.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] An erosion ditch bank ecological restoration structure, the revetment structure is distributed at the slope foot of both sides of the erosion ditch, comprising:

[0009] The stone cage energy dissipation ridge is vertically connected between the stone cage toe.

[0010] Further comprising:

[0011] The stone cage toe is arranged at the toe of the slope in parallel with the water flow direction of the erosion ditch to form a vertical surface,

[0012] And

[0013] An ecological bag protection slope is arranged between the stone cage toe and the living willow stake.

[0014] The living willow stake is planted in the soil in a row-shaped willow stake unit in multiple groups along the length direction of the erosion ditch toe.

[0015] The multiple groups of row-shaped willow stake units are planted in the soil in a direction from the ditch bottom line to the ditch edge line and are distributed in a spaced manner to form a willow stake planting group.

[0016] An ecological bag protection slope is arranged between adjacent row-shaped willow stake units.

[0017] Further, the stone cage energy dissipation ridge blocks the runoff sediment to form a deposit to raise the erosion datum.

[0018] The runoff sediment forms a deposit to shape and change the landform of the land, increase the fertility of the soil, and provide nutrients for the growth of vegetation.

[0019] Further, the stone cage toe cooperates with the stone cage energy dissipation ridge to form a stable protection system to dissipate energy, prevent erosion, stabilize the slope, and block the row-shaped willow stake unit and the soil ecological bag from toppling.

[0020] Further, the living willow stake provides growth medium through the ecological bag protection slope.

[0021] The ecological bag protection slope is clamped and fixed by adjacent living willow stakes and stone cage toes to block the runoff erosion.

[0022] In the above technical solution, the erosion ditch bank ecological restoration structure has the following beneficial effects:

[0023] The device has a unique structure, convenient construction materials, can realize local material procurement, reduces the construction cost, and has the functions of retaining sediment and restoring vegetation. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0025] Figure 1 A front view of the erosion ditch bank ecological restoration structure is provided for the embodiments of the present application.

[0026] Figure 2 A planar top view of the erosion gully bank ecological restoration structure provided by the embodiment of the present application.

[0027] Mark explanation:

[0028] 1, gabion energy dissipation ridge; 2, gabion toe protection; 3, living willow pile; 4, ecological bag slope protection; 5, erosion bank slope; 6, stacked masonry; 7, single-layer masonry; 8, soil moisture variable layer; 9, soil moisture slow-changing layer; 10, soil moisture stable layer; 11, living willow pile spacing; 12, gabion toe protection above-ground width; 13, gabion toe protection below-ground width; 14, normal water level. Specific implementation

[0029] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0030] It should be noted that the terms "adjacent", "between" and the like used herein indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and similar expressions are only for illustrative purposes, not to indicate or imply that the structures or units referred to must have a particular orientation, be configured and implemented in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] Referring to Figures 1-2 As shown in the figure; Figure 1 In the figure, from top to bottom, they are: soil moisture variable layer 8; soil moisture slow-changing layer 9; soil moisture stable layer 10. In addition, the living willow pile spacing 11 is 1.0 m, and the gabion toe protection above-ground width 12 and the gabion toe protection below-ground width 13 are both 0.5 m.

[0032] The erosion gully bank ecological restoration structure of the present application, the revetment structure is distributed at the slope toe of both sides of the erosion gully, that is, the gully bank ecological restoration structure is distributed at the gully bottom and both sides of the bank slope, comprising:

[0033] Gabion energy dissipation ridge 1, gabion energy dissipation ridge 1 is vertically connected between gabion toe protection 2, and multiple groups of gabion energy dissipation ridge 1 are distributed in parallel with the erosion gully water flow direction.

[0034] Further comprising:

[0035] Gabion toe protection 2, gabion toe protection 2 is arranged at the slope toe in parallel with the erosion gully water flow direction to form an opposite surface,

[0036] The arrangement depth of the gabion toe protection 2 should meet the erosion gully flow scouring requirements; the height of the gabion toe protection is determined according to the normal water level of the erosion gully;

[0037] The living willow stake 3 is planted in the soil in a row-shaped willow stake unit along the length direction of the erosion ditch slope toe;

[0038] The multiple groups of row-shaped willow stake units are planted in a slope protection manner from the ditch bottom line to the ditch edge line direction, and are distributed in a spaced manner to form a willow stake planting group.

[0039] The ecological bag slope protection 4 is arranged between adjacent row-shaped willow stake units.

[0040] The living willow stake 3 provides growth medium through the ecological bag slope protection 4.

[0041] The ecological bag slope protection 4 is clamped and fixed by the adjacent living willow stake 3 and the stone cage toe 2 to achieve the blocking of the runoff scouring.

[0042] The stone cage energy dissipation baffle 1 cooperates with the stone cage toe 2 to form a stable protection system to achieve the energy dissipation and the blocking of the row-shaped willow stake unit and the ecological bag slope protection 4.

[0043] The stone cage energy dissipation baffle 1 blocks the runoff sediment to form a deposit to achieve the lifting of the erosion base level; wherein the runoff sediment deposit can fill some low-lying areas. The runoff sediment deposit can achieve the shaping and changing of the landform and the increase of the soil fertility to provide nutrients for the growth of vegetation.

[0044] Specifically, the current erosion ditch bank ecological restoration can only play a slope toe protection role and does not have the functions of sediment interception and runoff energy dissipation. The erosion ditch bank ecological restoration structure provided by the utility model can prevent the living willow stake 3 and the ecological bag slope protection 4 from toppling, and the stone cage toe 2 is arranged in parallel to the water flow direction at the slope toe to play a supporting and stabilizing role on the living willow stake 3 and the ecological bag slope protection 4. The living willow stake 3 is planted in a row-shaped manner at the slope toe on both sides of the erosion ditch bottom, and cooperates with the ecological bag slope protection 4 to play a slope protection role on the single-layer or stacked ecological bag slope protection 4 between the living willow stakes 3.

[0045] Further, a stone cage energy dissipation baffle 1 is arranged in a vertical water flow direction at every certain distance to play a role of intercepting sediment, lifting the erosion base and providing growth medium for plants.

[0046] Preferably, the erosion ditch bank ecological restoration structure provided by the utility model adopts the living willow stake planted in the erosion ditch, and the living willow stake is more conducive to sand prevention, flow resistance, vegetation restoration and ecological environment improvement after growing.

[0047] Embodiment one:

[0048] A stone cage energy dissipation baffle 1 in a vertical water flow direction is arranged between the stone cage toes 2 at every 20m distance to intercept sediment. The stone cage energy dissipation baffle 1 is 1.0m wide, 10cm high above the ground and 40cm deep underground.

[0049] The stone cage protection feet 2 are arranged on both sides of the living willow pile 3 at the bottom of the erosion ditch, and the stone cage protection feet are parallel to the water flow direction.

[0050] The living willow piles 3 are arranged in rows along the slope foot of the erosion ditch, the planting depth of the living willow piles 3 is 70cm-100cm, the exposed length of the living willow piles 3 on the ground is 50cm, the diameter of the living willow piles 3 is 2-7cm, the pile spacing is 0.2m, the row spacing is 1.0m, and 2-3 rows can be arranged;

[0051] The ecological bag protection slopes 4 are arranged between the rows of the living willow piles 3.

[0052] In order to ensure the survival of the living willow piles 3, the living willow piles 3 are arranged in the form of buried piles, so as to avoid the direct hammering of the living willow piles 3 into the soil body and the cracking of the top of the living willow piles 3.

[0053] In the above technical scheme, the erosion ditch bank ecological restoration structure has the following beneficial effects:

[0054] The erosion ditch bank ecological restoration plays a role in preventing runoff erosion of the slope foot of the erosion ditch, the back side is subjected to the earth pressure, the living willow piles are prone to displacement and overturning, and the erosion ditch bank ecological restoration loses the protection function; the stone cage energy dissipation baffle is arranged perpendicularly to the water flow direction at a certain interval, the stone cage energy dissipation baffle is vertically connected to the stone cage protection foot, and plays a role in retaining sediment and runoff energy dissipation; the stone cage protection foot is arranged on the outer side of the living willow pile and parallel to the water flow direction, so as to prevent the displacement and overturning of the living willow pile and the ecological bag protection slope.

[0055] The above only describes some exemplary embodiments of the utility model in a descriptive manner, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model for ordinary skilled persons in the art. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. An erosion gully ecological restoration structure, which is distributed at the bottom and both sides of an erosion gully, characterized in that, It comprises: a stone cage energy dissipation weir (1) which is arranged in multiple groups at intervals in the direction of the water flow of the vertical erosion ditch; and a stone cage toe protection (2) which is arranged in parallel to the direction of the water flow of the erosion ditch at the toe of the slope, the depth of the stone cage toe protection (2) should meet the requirements of the erosion ditch over-flow scour, the height of the stone cage toe protection (2) is determined according to the normal water level of the erosion ditch, the stone cage energy dissipation weir (1) is connected vertically between the stone cage toe protection (2), and further comprising: a living willow stake (3) which is planted in the soil in multiple groups along the length direction of the toe of the erosion ditch to form a row of willow stake units, the planting depth of the willow stake should reach the relatively stable soil moisture layer, the multiple groups of the row of willow stake units are planted obliquely from the bottom line of the ditch to the edge line of the ditch, and are arranged at intervals to form a willow stake planting group; an ecological bag slope protection (4) which is arranged between the living willow stakes (3) and the adjacent row of willow stake units, and the ecological bag slope protection (4) is single-layer or stacked after being filled with soil in ecological bags.

2. The erosion ditch bank ecological restoration structure according to claim 1, characterized in that: the planting depth of the living willow stake (3) is 70-100 cm below the ground, i.e. the relatively stable soil moisture layer, and the ecological bag slope protection (4) is arranged between the adjacent living willow stakes (3) in the form of single-layer or stacked ecological bags filled with soil.

3. The erosion ditch bank ecological restoration structure according to claim 1, characterized in that: the stone cage energy dissipation weir (1) blocks the deposition of runoff sediment to raise the erosion datum, and the deposition of the runoff sediment can fill some low-lying areas.

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