CN213571980U - Greening side slope structure - Google Patents

Abstract

The utility model belongs to the technical field of the side slope is administered and specifically relates to a afforestation side slope structure is related to, it includes side slope basic unit and establishes the backfill layer on side slope basic unit surface, the backfill layer is kept away from one side of side slope basic unit and is equipped with the pit at the equidistance, be equipped with the plant-growing board in the pit, the plant-growing board passes through the connecting piece and links to each other with the backfill layer, one side that the side slope basic unit was kept away from to the backfill layer is equipped with the nutrition matrix layer, the nutrition matrix layer includes that the outside bush matrix layer that sets gradually of edgeslope basic unit irritates the matrix layer with the grass, be equipped with the metal mesh between the matrix layer bush and the grass irritates the matrix layer, the metal mesh is fixed through the anchor assembly that is used for side slope basic unit to link to each other, the grass. This application has stable in structure, the effectual effect of afforestation.

Description

Greening side slope structure

Technical Field

The application relates to the technical field of slope treatment, in particular to a greening slope structure.

Background

With the rapid development of highway construction in China, the comprehensive slope protection design is one of the important contents of high-grade highway design, needs to be comprehensively considered according to the conditions of highway grade, rainfall intensity, underground water, terrain, soil quality, material sources and the like, is reasonably distributed, selects practical, reasonable, economic and beautiful engineering measures according to local conditions, ensures the stability and the driving safety of the high-grade highway, and simultaneously achieves the effects of coordinating with the surrounding environment, keeping the relative balance of ecological environment and beautifying the high-grade highway.

The patent of chinese utility model with the grant publication number CN204898691U discloses a side slope greening protection system, including laying reinforced geotechnical mesh pad, covering the foreign soil spray-seeding substrate of reinforced geotechnical mesh pad and covering the non-woven fabrics of foreign soil spray-seeding substrate on the side slope, wherein, reinforced geotechnical mesh pad includes three-dimensional geotechnical mesh pad body and the metal mesh of compound in three-dimensional geotechnical mesh pad body, and the metal mesh is two-twisted hexagonal wire net.

Aiming at the related technologies, the inventor thinks that the connectivity among all layers of the slope greening protection system is poor, and under severe conditions such as storm and the like, the layers are easy to separate, so that the spray-seeding seedling in the foreign soil spray-seeding base material cannot be successfully inoculated.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of afforestation side slope structure, this application provides a afforestation side slope structure.

The application provides a afforestation side slope structure adopts following technical scheme:

the utility model provides a afforestation side slope structure, includes the side slope basic unit and establishes the backfill layer on side slope basic unit surface, the backfill layer is kept away from one side of side slope basic unit and is equipped with the pit at the equidistance, be equipped with the plant and grows the board in the pit, it passes through the connecting piece and links to each other with the backfill layer to plant the board of growing, one side that the side slope basic unit was kept away from to the backfill layer is equipped with the nutrition matrix layer, the nutrition matrix layer includes the outside bush matrix layer and the grass that set gradually of edgewise slope basic unit and irritates the matrix layer, be equipped with the metal mesh between the bush matrix layer and the grass irritates the matrix layer, the metal mesh is fixed through the anchor assembly that is used for the side slope basic unit to link to each other, one.

By adopting the technical scheme, the backfill layer enhances the adhesion effect of the nutrient matrix layer; the nutrition matrix layers are arranged in a layered mode, shrubbery plants and grass pots in the nutrition matrix layers can grow and maintain well, and the overall stability of the greening side slope is enhanced; the metal mesh reduces the slipping of the nutrient matrix layer and enhances the stability of the nutrient matrix layer; the non-woven fabric layer can reduce the erosion of the nutrient matrix layer by rainwater, and the non-woven fabric layer is fixed by the fastening piece and is not easy to separate from the surface of the nutrient matrix layer; the greening slope is stable in structure and good in greening effect by combining the effects.

Optionally, the anchoring part includes a main anchoring part and an auxiliary anchoring part, the length and the end face size of the main anchoring part are both greater than those of the auxiliary anchoring part, the main anchoring part and the auxiliary anchoring part are arranged in a square array, and the distance between the main anchoring parts is twice as large as that between the main anchoring part and the auxiliary anchoring part.

By adopting the technical scheme, the main anchor pieces and the auxiliary anchor pieces are arranged in an array mode, so that the stable fixing effect on the metal mesh is guaranteed, and meanwhile, the construction cost is saved.

Optionally, one end of the main anchor used for extending into the slope base layer is provided with a spine portion.

By adopting the technical scheme, the spine part is convenient for the insertion of the main anchor part, and the purpose of labor saving in construction is achieved.

Optionally, a substrate attachment platform is arranged in the middle of the backfill layer, and the shrub substrate layer, the metal mesh, the grass shrub substrate layer and the non-woven fabric layer sequentially extend to the surface of the substrate attachment platform.

By adopting the technical scheme, the matrix attachment platform can better ensure the expansion of the root system during the growth of plants and is used for enhancing the integral stability of the greening side slope structure.

Optionally, one end of the substrate attaching platform close to the slope base layer is provided with a catch basin, and the top end of the catch basin is provided with a soil retaining water passing plate.

Through adopting above-mentioned technical scheme, the catch basin is used for collecting the rivers that flow along the side slope surface, prevents that it from flowing to the slope bottom, reduces the loss on nutrition matrix layer, keeps off the soil and crosses the water board and be used for supplying rivers to pass through to form to enclose the fender to soil simultaneously.

Optionally, the retaining water passing plate is provided with a water passing hole, and one side of the retaining water passing plate, which is far away from the intercepting ditch, is provided with a geotextile layer.

Through adopting above-mentioned technical scheme, when flowing water flows to the fender water board, rivers permeable geotechnological cloth layer and pass in the water hole flows into the intercepting ditch, and soil can not cause the loss because the interception on geotechnological cloth layer, reaches the purpose that the fender water was crossed.

Optionally, the side slope base layer is provided with a water drainage hole, and the water drainage hole is provided with a water drainage pipe communicated with the intercepting ditch.

Through adopting above-mentioned technical scheme, the water or the infiltration of gushing water of side slope base course can flow through the drain pipe from the outlet and reach in the intercepting ditch, discharge by intercepting ditch to guarantee that the side slope base course is difficult for producing soil erosion and water loss.

Optionally, a water guiding ditch is arranged at the top end of the backfill layer.

By adopting the technical scheme, the water guiding ditch is used for draining away the running water on the top end of the side slope base layer, and the water seepage permeating into the side slope base layer is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the backfill layer enhances the adhesion effect of the nutrient matrix layer; the nutrition matrix layers are arranged in a layered mode, shrubbery plants and grass pots in the nutrition matrix layers can grow and maintain well, and the overall stability of the greening side slope is enhanced; the metal mesh reduces the slipping of the nutrient matrix layer and enhances the stability of the nutrient matrix layer; the non-woven fabric layer can reduce the erosion of the nutrient matrix layer by rainwater, and the non-woven fabric layer is fixed by the fastening piece and is not easy to separate from the surface of the nutrient matrix layer; by combining the effects, the greening side slope is stable in structure and good in greening effect;

2. the intercepting ditch is used for collecting water flowing along the surface of the side slope, so that the water is prevented from flowing to the bottom of the slope, and the loss of a nutrient matrix layer is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a greening slope structure according to an embodiment of the present application;

FIG. 2 is a schematic diagram illustrating a connection relationship between a vegetation board and a backfill layer in an embodiment of the present application;

fig. 3 is a schematic view showing an anchor anchoring position in the embodiment of the present application.

Description of reference numerals: 1. a side slope base layer; 2. a backfill layer; 21. a pit; 22. planting a plate; 23. a connecting member; 24. a water guiding ditch; 3. a nutrient matrix layer; 31. a shrub matrix layer; 32. grass-shrub matrix layer; 4. a metal mesh; 5. an anchoring member; 51. a primary anchor; 511. a spike portion; 52. a secondary anchor; 6. a non-woven fabric layer; 7. a substrate attachment platform; 8. intercepting a ditch; 81. a soil-retaining water-passing plate; 811. water passing holes; 82. a geotextile layer; 9. a water drain hole; 91. and a water discharge pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses afforestation side slope structure. Referring to fig. 1, the greening slope structure comprises a slope base layer 1 and a backfill layer 2 arranged on the surface of the slope base layer 1. The backfill layer 2 is a clay layer covered on the surface of the slope base layer 1 and is used for leveling the slope base layer 1. The side slope base layer 1 is firstly trimmed before backfilling the clay layer, the steep slope section is excavated from top to bottom, the sunken part of the slope surface is filled with soil after excavation by adopting plant biological bags, and the soil is fixed by adopting wood piles.

Referring to fig. 2, pits 21 are arranged at equal intervals on one side of the backfill layer 2 away from the slope base layer 1, and the pits 21 are foundation pits dug on the surface of the backfill layer 2; the pit 21 is internally provided with a plant-growing plate 22, the plant-growing plate 22 is connected with the backfill layer 2 through a connecting piece 23, the connecting piece 23 is a steel bar anchor rod with a smaller diameter, one end of the connecting piece 23 extends into the backfill layer 2, and the other end is exposed to prevent the plant-growing plate 22 from being separated from the connecting piece 23.

Referring to fig. 1, a nutrient matrix layer 3 is arranged on one side of the backfill layer 2, which is far away from the slope base layer 1, the nutrient matrix layer 3 is covered on the surface of the backfill layer 2 in a spray seeding mode, and the pits 21 and the plant growth plates 22 can ensure the adhesion effect of the nutrient matrix layer 3 so as to ensure that the nutrient matrix layer 3 is firmly adhered.

The nutrition matrix layer 3 comprises a shrub matrix layer 31 and a grass shrub matrix layer 32 which are sequentially arranged along the side slope base layer 1, wherein the shrub matrix layer 31 is used for the maintenance of shrubbery plant seeds, such as: the robinia pseudoacacia, the pinus massoniana, the amorpha fruticosa, the magnolia multiflora and the like have strong vitality and good decorative effect; the grass irrigation matrix layer 32 is used for maintaining grass irrigation seeds, and the grass irrigation is used for preserving water and soil of the side slope base layer 1 and further enhancing the greening effect of the side slope structure. The nutrition matrix layer 3 is arranged in a layered manner, so that the growth and the maintenance of the shrubbery plants and the grass shrubs are facilitated, the seeds of the shrubbery plants are buried deeper in soil, the roots of the shrubbery plants can be conveniently extended into a deeper soil layer, and the shrubbery plants can break the soil more easily and come out; the seeds of the grass irrigation are buried shallow in the soil, so that the seeds of the grass irrigation can receive the nutrition of water conveniently; the shrubbery plants and the grass irrigation can achieve good growth and maintenance, and the integral stability of the greening side slope is favorably enhanced.

A metal net 4 is arranged between the shrub matrix layer 31 and the grass shrub matrix layer 32. The metal net 4 is a machine-woven gold-plated wire net, the metal net 4 is paved from the top of the slope to the bottom of the slope, the metal can reduce the slipping of the nutrient matrix layer 3, the stability of the nutrient matrix layer is enhanced, and meanwhile, the function of preventing small stones from falling is achieved. The metal net 4 is fixed through the anchoring parts 5 used for connecting the slope base layer 1, the metal net 4 is unfolded and hung on the slope surface manually when being paved, and the anchoring parts 5 enhance the stability of the metal net 4 after being paved.

The side of the grass shrub matrix layer 32, which is far away from the shrub matrix layer 31, is provided with a non-woven fabric layer 6, and after the spray seeding construction of the nutrient matrix layer 3 is completed, an outer layer covering material non-woven fabric is laid in time to form the non-woven fabric layer 6; the non-woven fabric layer 6 is connected with the backfill layer 2 through a fastener, and the fastener adopts a U-shaped iron wire nail. The non-woven fabric layer 6 can reduce the loss of the spray seeding material and seeds caused by the rain wash of the nutrient matrix layer 3.

During construction, the side slope base layer 1 is inspected firstly, then the side slope base layer 1 is trimmed according to an inspection mechanism, then the backfill layer 2 is arranged on the surface of the trimmed side slope base layer 1, a pit 21 is dug in the surface of the backfill layer 2, a plant growth plate 22 is fixed, then one end of an anchoring piece 5 is inserted into the side slope base layer 1, the other end of the anchoring piece 5 is exposed to facilitate the paving and hanging of a metal net 4, the shrub matrix layer 31 is spray-sowed after the anchoring piece 5 is fixed, then the metal net 4 is fixed through the anchoring piece 5, then the grass irrigation matrix layer 32 is spray-sowed, and after the spray-sowing construction is completed, the non-woven fabric layer 6 is paved on the surface of the grass irrigation matrix layer.

The backfill layer 2 enhances the adhesion effect of the nutrient matrix layer 3; the nutrient matrix layer 3 is arranged in a layered manner, so that shrubbery plants and grass pots in the nutrient matrix layer can be well grown and maintained, and the overall stability of the greening side slope is enhanced; the metal net 4 reduces the slippage of the nutrient matrix layer 3 and enhances the stability of the nutrient matrix layer; the non-woven fabric layer 6 can reduce the erosion of the nutrient matrix layer 3 by rainwater, and the non-woven fabric layer 6 is fixed by a fastener and is not easy to separate from the surface of the nutrient matrix layer 3; the greening slope is stable in structure and good in greening effect by combining the effects.

Referring to fig. 1 and 3, the anchor 5 includes a primary anchor 51 and a secondary anchor 52. The main anchor 51 and the auxiliary anchor 52 are both made of round steel or threaded steel, and the length and the diameter of the main anchor 51 are both larger than those of the auxiliary anchor 52. The main anchors 51 and the sub-anchors 52 are arranged in a square array, and the spacing between the main anchors 51 is twice as large as the spacing between the main anchors 51 and the sub-anchors 52, i.e., if the boundary problem is not considered, eight sub-anchors 52 are provided near one main anchor 51. The top end of the slope base layer 1 is provided with a main anchor 51 for fixing the metal net 4 so as to ensure the stable paving and hanging of the metal net 4. The main anchors 51 and the sub-anchors 52 are arranged in an array, so that construction cost is saved while a stable fixing effect on the metal mesh 4 is ensured.

The main anchoring member 51 is provided with a spike 511 at one end for extending into the slope bed 1. The spike 511 has a conical structure formed by grinding the end of the main anchor 51. The length of the main anchor 51 is longer than that of the auxiliary anchor 52, and the spine 511 facilitates the insertion of the main anchor 51, so that the purpose of labor saving during construction is achieved.

Referring to fig. 1, a substrate attachment platform 7 is provided in the middle of the backfill layer 2. The shrub substrate layer 31, the metal mesh 4, the grass shrub substrate layer 32 and the non-woven fabric layer 6 extend to the plane of the substrate attachment platform 7 in sequence. The substrate attaching platform 7 is an attaching platform added with nutrient substrates on the slope surface of the rock wall, so that the expansion of the root system during the growth of plants is better ensured, and the integral stability of the greening side slope structure is enhanced. When the metal net 4 is paved, the main anchoring piece 51 is arranged in the anchoring piece 5 at the substrate attaching platform 7, so as to ensure that the metal net 4 is paved firmly.

Referring to fig. 1 and 3, one end of the substrate attachment platform 7 close to the slope base layer 1 is provided with a catch basin 8. The intercepting ditch 8 is a concrete groove poured at the substrate attaching platform 7, after the construction of the backfill layer 2 is completed, the intercepting ditch 8 is poured and formed in advance through a template of the intercepting ditch 8, then the subsequent construction such as the fixation of the anchoring part 5, the paving and hanging of the metal net 4, the spray seeding of the nutrition substrate layer 3 and the paving of the non-woven fabric layer 6 is carried out, and the intercepting ditch 8 is avoided during the subsequent construction. The intercepting ditch 8 is used for collecting water flowing along the surface of the side slope, preventing the water from flowing to the slope bottom and reducing the loss of the nutrient matrix layer 3. The top of intercepting ditch 8 is equipped with keeps off native water board 81, keeps off native water board 81 perpendicular to nutrition matrix layer 3's surface setting for supply rivers pass through, and form to enclose the fender to soil simultaneously.

The retaining water passing plate 81 is provided with a water passing hole 811, and one side of the retaining water passing plate, which is far away from the intercepting ditch 8, is provided with a geotextile layer 82. When the water flows to the retaining water passing plate 81, the water can penetrate through the geotechnical cloth layer 82 and pass through the water passing holes 811 to flow into the intercepting ditch 8, and the soil cannot run off due to the interception of the geotechnical cloth layer 82, so that the purpose of retaining the soil and passing the water is achieved.

Referring to fig. 1, the slope base layer 1 is provided with a drainage hole 9. The water drainage holes 9 are arranged at the parts of the slope base layer 1 with serious water gushing or water seepage, the parts are known by reconnaissance and inspection of constructors on the slope base layer 1 before the backfill layer 2 is constructed, and the parts are trimmed after inspection and reinforced by adopting modes of concrete spraying and the like. The drain hole 9 is provided with a drain pipe 91 communicated with the intercepting drain 8, the drain pipe 91 is made of PVC pipe, the construction of the backfill layer 2 is carried out after the position of the drain pipe 91 is arranged in advance, then the end part of the drain pipe 91 is sealed when the intercepting drain 8 is poured, and the drain pipe 91 extends into a template of the intercepting drain 8. The water gushing or seepage of the side slope base layer 1 can flow through the drain pipe 91 from the drain hole 9 to reach the inside of the intercepting ditch 8, and water is discharged from the intercepting ditch 8, so that the side slope base layer 1 is ensured not to be easily subjected to water and soil loss.

Referring to fig. 1, a water guiding gutter 24 is provided at the top end of the backfill layer 2. The water guiding ditch 24 is a ditch dug and formed at the top end of the backfill layer 2. The water guiding ditch 24 is used for draining the running water at the top end of the side slope base layer 1 and reducing the water seepage into the side slope base layer 1.

The implementation principle of the greening slope structure of the embodiment of the application is as follows: during construction, the side slope base layer 1 is inspected firstly, then the side slope base layer 1 is trimmed according to an inspection mechanism, when the trimming is carried out, the bottom structure of the substrate attaching platform 7 is trimmed in advance, the water drainage hole 9 and the water drainage pipe 91 are arranged in advance, the backfill layer 2 is arranged on the surface of the trimmed side slope base layer 1, a pit 21 is dug on the surface of the backfill layer 2, the vegetation plates 22 are fixed, the cut-off ditch 8 is formed at the position of the substrate attaching platform 7 in a pouring mode, the water guide ditch 24 is formed in a digging mode, then one end of the anchoring piece 5 is inserted into the side slope base layer 1, the other end of the anchoring piece is exposed to facilitate the hanging of the metal net 4, the spraying of the shrub matrix layer 31 is carried out after the anchoring piece 5 is fixed, then the metal net 4 is fixed through the anchoring piece 5, the spraying of the grass irrigation matrix layer 32 is carried out, after the spraying construction is completed, the non, and the nonwoven fabric layer 6 is fixed by a fastener.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a afforestation side slope structure which characterized in that: including side slope basic unit (1) and establishing backfill layer (2) on side slope basic unit (1) surface, backfill layer (2) keep away from one side of side slope basic unit (1) and equally separate and be equipped with pit (21), be equipped with in pit (21) and plant living board (22), it links to each other with backfill layer (2) to plant living board (22) through connecting piece (23), one side that side slope basic unit (1) was kept away from in backfill layer (2) is equipped with nutrition matrix layer (3), nutrition matrix layer (3) are including shrub matrix layer (31) and grass irrigation matrix layer (32) that outwards set gradually along side slope basic unit (1), be equipped with metal mesh (4) between shrub matrix layer (31) and grass irrigation matrix layer (32), metal mesh (4) are fixed through anchor assembly (5) that are used for side slope basic unit (1) to link to each other, one side that shrub matrix layer (31) were kept away from to grass irrigation matrix layer (32) is equipped with non-woven fabrics layer (6, the non-woven fabric layer (6) is connected with the backfill layer (2) through a fastener.

2. A green slope structure according to claim 1, wherein: the anchor (5) comprises a main anchor (51) and an auxiliary anchor (52), the length and the end face size of the main anchor (51) are larger than those of the auxiliary anchor (52), the main anchor (51) and the auxiliary anchor (52) are arranged in a square array, and the distance between the main anchor (51) is twice as large as that between the main anchor (51) and the auxiliary anchor (52).

3. A green slope structure according to claim 2, wherein: one end of the main anchoring piece (51) extending into the slope base layer (1) is provided with a spine part (511).

4. A green slope structure according to claim 1, wherein: the middle of the backfill layer (2) is provided with a substrate attachment platform (7), and the shrub substrate layer (31), the metal mesh (4), the grass shrub substrate layer (32) and the non-woven fabric layer (6) sequentially extend to the surface of the substrate attachment platform (7).

5. The green slope structure of claim 4, wherein: one end of the substrate attaching platform (7) close to the side slope base layer (1) is provided with a water intercepting ditch (8), and the top end of the water intercepting ditch (8) is provided with a soil retaining water passing plate (81).

6. A green slope structure according to claim 5, wherein: and a water hole (811) is arranged on the retaining water passing plate (81), and a geotextile layer (82) is arranged on one side of the retaining water passing plate, which is far away from the intercepting ditch (8).

7. A green slope structure according to claim 5, wherein: the side slope base layer (1) is provided with a water drainage hole (9), and the water drainage hole (9) is provided with a water drainage pipe (91) communicated with the intercepting ditch (8).

8. A green slope structure according to claim 1, wherein: the top end of the backfill layer (2) is provided with a water guiding ditch (24).

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