Ecological slope protection structure for abandoned mine cultivated land ridge

Abstract

The utility model discloses an ecological slope protection structure for abandoned mine cultivated land ridges, which relates to the technical field of ecological slope protection and comprises a side slope, a geonet layer arranged on the side slope, a surface soil layer arranged on the geonet layer, a vegetation layer arranged on the surface soil layer and non-woven fabrics covered on the vegetation layer. A plurality of fixing piles are arranged on the side slope, the fixing piles are arranged at intervals along the side slope in a layered mode, soil fixing structures are arranged among the fixing piles on the same layering face, and the soil fixing structures are arranged between the surface soil layer and the non-woven fabric and fixedly connected with the fixing piles; according to the structure for the abandoned mine cultivated land ridge ecological slope protection, a stable protection structure can be formed on a side slope, the overall impact resistance and stability of the side slope are improved, the soil fixation capacity is improved, landslide is effectively prevented, and meanwhile growth of vegetation on the side slope can be promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to ecological slope protection technical field, concretely is a structure for abandoned mine cultivated field ridge ecological slope protection. BACKGROUND

[0002] In the slope protection engineering of abandoned mine cultivated field ridge, because its slope is higher, and the soil is hard, generally adopts the vegetation layer to cover on the slope, and the stability of the slope is enhanced through the soil and plant root system in the vegetation layer, and ecological recovery is realized simultaneously.

[0003] However, the traditional slope protection method adopts hard material, such as concrete, stone and the like, although the stability of the slope can be improved to a certain extent, but the hard material in the vegetation can destroy the original ecological environment, is not conducive to the growth of vegetation and ecological recovery. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a structure for abandoned mine cultivated field ridge ecological slope protection, the structure for abandoned mine cultivated field ridge ecological slope protection can form a stable protection structure on the slope, improve the overall impact resistance and stability of the slope, improve the soil fixation capacity, effectively prevent landslide, and can promote the growth of vegetation on the slope.

[0005] The above-mentioned optimization structure of the utility model is realized by the following technical scheme: a structure for abandoned mine cultivated field ridge ecological slope protection, including the slope, the soil net layer is equipped on the slope, the surface soil layer is equipped on the soil net layer, the vegetation layer is equipped on the surface soil layer, and the non-woven fabric is covered on the vegetation layer;

[0006] A plurality of fixed piles are arranged on the slope, a plurality of fixed piles are arranged in layers along the slope at intervals, a plurality of fixed piles on the same layer are provided with soil fixation structures, the soil fixation structure is arranged between the surface soil layer and the non-woven fabric, and is fixedly connected with the fixed pile.

[0007] In some embodiments, an organic matter layer is arranged between the vegetation layer and the non-woven fabric.

[0008] In some embodiments, a grass fiber layer is arranged between the soil net layer and the vegetation layer.

[0009] In some embodiments, the soil fixation structure includes a plurality of woven grids, a plurality of woven grids are fixed on the fixed pile by binding with a binding wire at a certain interval, and form a grid-shaped soil retaining structure.

[0010] In some embodiments, the soil fixation structure further includes a plurality of connecting strips, the plurality of connecting strips are connected with the plurality of woven grids vertically, and form a net-shaped soil retaining structure.

[0011] In some embodiments, the lattices and the connecting strips are all in the shape of branches or bamboo leaves, and the lattices are sequentially wound around two adjacent fixing piles when the lattices are fixed.

[0012] In some embodiments, a plurality of wire fixing units are arranged on the fixing piles at equal intervals, and each wire fixing unit comprises an upper wire fixing groove and a lower wire fixing groove, and the lattices are wound between the upper wire fixing groove and the lower wire fixing groove.

[0013] In some embodiments, the non-woven fabric is a polyester non-woven fabric.

[0014] In some embodiments, the geotechnical net layer comprises a first net sheet, a second net sheet is arranged on the first net sheet in parallel, and a wave-shaped strip is connected between the first net sheet and the second net sheet.

[0015] In summary, the utility model has the following beneficial effects:

[0016] The structure for the abandoned mine farmland ridge ecological slope is formed by the cooperation of the geotechnical net layer, the fixing pile and the soil fixing structure, a stable protection structure is formed on the slope, the overall impact resistance and stability of the slope are improved, the soil fixing capacity is improved, the landslide is effectively prevented, the fertile soil, sufficient water and necessary nutrients are provided for the growth of the vegetation in the vegetation layer through the surface soil layer, the organic matter layer and the grass fiber layer in the protection structure, the vegetation is promoted to grow vigorously, the soil fixing capacity of the slope can be further improved, the stability of the overall structure is improved, the overall structure is prevented from being washed away to cause the slope to be unstable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the utility model;

[0018] Figure 2 It is an enlarged view of A in the utility model;

[0019] Figure 3 It is a sectional view of the fixing pile of the utility model;

[0020] Figure 4 It is a front view of the geotechnical net layer of the utility model;

[0021] Figure 5 It is a front sectional view of the soil fixing structure and the fixing pile of the utility model.

[0022] In the drawing: 1, slope; 2, geotechnical net layer; 21, first net sheet; 22, second net sheet; 23, wave-shaped strip; 3, surface soil layer; 4, vegetation layer; 5, non-woven fabric; 6, fixing pile; 61, upper wire fixing groove; 62, lower wire fixing groove; 7, soil fixing structure; 71, lattice; 72, connecting strip; 8, organic matter layer; 9, grass fiber layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Reference Figures 1-5 A structure for abandoned mine farmland ridge ecological slope protection, comprising a slope 1, a geotechnical net layer 2 is arranged on the slope 1, the geotechnical net layer 2 can enhance the shear strength and integrity of the soil on the slope 1, thereby improving the stability of the soil on the slope 1, a topsoil layer 3 is arranged on the geotechnical net layer 2, the topsoil layer 3 provides a fertile soil environment for the growth of vegetation, the thickness of the topsoil layer 3 can be 2-20 cm; the topsoil layer 3 can be formed by covering the soil within 40 cm of the local farmland or forest land surface, a vegetation layer 4 is arranged on the topsoil layer 3, the vegetation layer 4 can be vegetation such as turf with growth ability, through the growth of the vegetation, the soil on the slope 1 can be further stabilized, and water and soil loss can be reduced, the vegetation layer 4 is covered with non-woven fabric 5, the non-woven fabric 5 has the characteristics of moisture-proof, air-permeable, flexible, light, flame-retardant, non-toxic and odorless, low price, recyclable and the like, which can not only provide sufficient air for the vegetation under the non-woven fabric 5 and ensure the normal growth of the vegetation, but also protect the vegetation layer 4 from direct scouring of wind and rain and effectively prevent water and soil loss. A plurality of fixing piles 6 are arranged on the slope 1, the fixing piles 6 can be wood piles or bamboo piles, which can reduce non-vegetation substances on the slope 1 and reduce the influence of non-vegetation substances on the growth of vegetation, the plurality of fixing piles 6 are arranged in layers along the slope 1 at intervals and form a stable support structure, the fixing piles 6 are inserted into the slope surface at a depth of 10-30 cm and protrude from the vegetation layer 4 at a height of 1-2 cm; the horizontal spacing of the plurality of fixing piles 6 is 0.6-1.5 m, and the height of the layers is 1-2 m, a soil-fixing structure 7 is arranged between the topsoil layer 3 and the non-woven fabric 5 and fixedly connected with the fixing piles 6, and the soil-fixing structure 7, the fixing piles 6, the topsoil layer 3, the vegetation layer 4 and the non-woven fabric 5 jointly form an integral structure, thereby enhancing the overall impact resistance and stability of the slope 1.

[0025] In some embodiments, an organic matter layer 8 is arranged between the vegetation layer 4 and the non-woven fabric 5, the organic matter layer 8 can enhance soil fertility and provide nutrients for plants, which is prior art and will not be described here.

[0026] In some embodiments, a grass fiber layer 9 is arranged between the geotechnical net layer 2 and the vegetation layer 4. The porous and fibrous structure of the grass fiber layer 9 can effectively conserve water and reduce water evaporation, thereby providing necessary water conditions for the growth of plants in the vegetation layer 4. In addition, the grass fiber layer 9 itself is rich in organic matter, which can increase the fertility of the soil and further promote the growth and development of plants. The fibrous structure of the grass fiber layer 9 can also tightly combine with soil particles in the topsoil layer 3 to form a stable soil structure, reduce the gap between soil particles, thereby reducing the risk of soil erosion and enhancing the stability of the soil on the slope 1.

[0027] In some embodiments, the soil stabilization structure 7 includes a plurality of woven grids 71, which can be bound at a certain interval on the fixed pile 6 by lashing wire and form a grid-shaped soil retaining structure. The grid-shaped structure can effectively prevent soil from sliding down and achieve the purpose of soil stabilization, thereby effectively preventing landslides.

[0028] In some embodiments, the soil stabilization structure 7 further includes a plurality of connecting strips 72, which are connected perpendicularly to the plurality of woven grids 71 to form a net-shaped soil retaining structure. The net-shaped structure can increase the interception area of the soil stabilization structure 7 and improve the effect of preventing soil from sliding down and stabilizing soil, thereby further preventing landslides.

[0029] In some embodiments, the woven grid 71 and the connecting strip 72 can be made of branches or bamboo pieces. Soft branches such as willow branches can be used to facilitate the weaving process of the soil stabilization structure 7 and prevent breakage during the weaving process. When the woven grid 71 is fixed, it can pass through two adjacent fixed piles 6 in sequence, so that the woven grid 71 forms a wavy curve between the plurality of fixed piles 6, which can increase the constraint direction of the fixed pile 6 on the woven grid 71, thereby improving the connection strength between the fixed pile 6 and the woven grid 71.

[0030] In some embodiments, a plurality of wire fixing units are arranged at equal intervals on the fixed pile 6. The wire fixing units can be four and arranged in a ring shape on the fixed pile 6. The wire fixing unit includes an upper wire fixing groove 61 and a lower wire fixing groove 62. A lashing wire is wound between the upper wire fixing groove 61 and the lower wire fixing groove 62. The lashing wire can avoid slipping on the fixed pile 6 by tightly winding between the upper wire fixing groove 61 and the lower wire fixing groove 62, thereby ensuring the firm connection between the fixed pile 6 and other structural components on the slope 1 and enhancing the integrity and impact resistance of the entire slope structure.

[0031] In some embodiments, the non-woven fabric 5 can be made of polyester non-woven fabric, which can enhance the durability and air permeability of the non-woven fabric.

[0032] In some embodiments, the geotechnical mesh layer 2 comprises a first mesh 21, a second mesh 22 is arranged in parallel on the first mesh 21, and a wave strip 23 is connected between the first mesh 21 and the second mesh 22, so as to form a soil fixing space in the geotechnical mesh layer 2, thereby enhancing the soil fixing capacity of the geotechnical mesh layer 2 and preventing soil loss on the geotechnical mesh layer 2.

[0033] The specific construction process is as follows:

[0034] First, the geotechnical mesh layer 2 and the grass fiber layer 9 are laid on the slope surface of the slope 1, and then a plurality of fixing piles 6 are arranged, wherein the fixing piles 6 are inserted into the slope surface by 10-30 cm, the horizontal spacing of the plurality of fixing piles 6 is 0.6-1.5 m, the layered height is 1-2 m, then the soil fixing structure 7 is fixed and installed by wire tying between the plurality of fixing piles 6, the soil is poured onto the slope 1, the topsoil layer 3 is formed on the grass fiber layer 9, the vegetation layer 4 is laid on the topsoil layer 3, the organic matter layer 8 is covered on the vegetation layer 4, and finally the non-woven fabric 5 is used for covering.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application 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 recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A structure for ecological slope protection of farmland ridges in abandoned mines, characterized in that: The application relates to a slope (1) provided with a geotechnical mesh layer (2), a topsoil layer (3) provided on the geotechnical mesh layer (2), a vegetation layer (4) provided on the topsoil layer (3), and non-woven fabric (5) covering the vegetation layer (4). A plurality of fixing piles (6) are provided on the slope (1) and are arranged in layers and at intervals along the slope (1), a plurality of fixing piles (6) on the same layer are provided with soil-fixing structures (7), the soil-fixing structures (7) are arranged between the topsoil layer (3) and the non-woven fabric (5) and are fixedly connected with the fixing piles (6).

2. The structure for ecological protection of slopes of waste mine arable land ridge according to claim 1, characterized in that: An organic matter layer (8) is arranged between the vegetation layer (4) and the non-woven fabric (5).

3. The structure for ecological protection of slopes of waste mine farmland ridge according to claim 1, characterized in that: A grass fiber layer (9) is arranged between the geotechnical mesh layer (2) and the vegetation layer (4).

4. The structure for ecological protection of slopes of waste mine farmland ridge according to claim 1, characterized in that: The soil-fixing structure (7) comprises a plurality of woven grids (71), the woven grids (71) are fixed on the fixing piles (6) at certain intervals by binding wires and form a grid-shaped soil-retaining structure.

5. The structure for ecological revetment of the farmland ridge of abandoned mine according to claim 4, characterized in that: The soil-fixing structure (7) further comprises a plurality of connecting strips (72), the connecting strips (72) are perpendicularly connected with the woven grids (71) and form a net-shaped soil-retaining structure.

6. The structure for ecological revetment of the farmland ridge of abandoned mine according to claim 5, characterized in that: The woven grids (71) and the connecting strips (72) are made of branches or bamboo pieces, and the woven grids (71) are sequentially wound around adjacent two fixing piles (6) when fixed.

7. The structure for ecological revetment of the farmland ridge of abandoned mine according to claim 4, characterized in that: The fixing piles (6) are provided with a plurality of wire-fixing units at equal intervals, the wire-fixing units comprise upper wire-fixing grooves (61) and lower wire-fixing grooves (62), and the binding wires are wound between the upper wire-fixing grooves (61) and the lower wire-fixing grooves (62).

8. The structure for ecological revetment of the farmland ridge of abandoned mine according to claim 1, characterized in that: The non-woven fabric (5) is made of polyester non-woven fabric.

9. The structure for ecological revetment of the farmland ridge of abandoned mine according to claim 1, characterized in that: The geotechnical mesh layer (2) comprises a first mesh (21), a plurality of second meshes (22) are arranged in parallel on the first mesh (21), and wave-shaped strips (23) are connected between the first mesh (21) and the second meshes (22).

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