CN217428851U - Roadbed slope straw curtain protection structure - Google Patents
Roadbed slope straw curtain protection structure Download PDFInfo
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- CN217428851U CN217428851U CN202221302343.XU CN202221302343U CN217428851U CN 217428851 U CN217428851 U CN 217428851U CN 202221302343 U CN202221302343 U CN 202221302343U CN 217428851 U CN217428851 U CN 217428851U
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- grass
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- 239000010902 straw Substances 0.000 title claims abstract description 45
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 59
- 239000002689 soil Substances 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229920000704 biodegradable plastic Polymers 0.000 claims description 8
- 241000208202 Linaceae Species 0.000 claims description 5
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 5
- 239000004626 polylactic acid Substances 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 229920006238 degradable plastic Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004162 soil erosion Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 101
- 241000196324 Embryophyta Species 0.000 description 9
- 235000015097 nutrients Nutrition 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008635 plant growth Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000003864 humus Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Cultivation Of Plants (AREA)
Abstract
The utility model relates to a road slope protection greening technical field specifically discloses a side slope straw curtain protective structure, including grass curtain layer and seed back up coat, the grass curtain layer includes first stratum reticulare, wet grass curtain layer and second stratum reticulare, seed back up coat includes a plurality of interval arrangement's seed pocket and the net twine of being connected seed pocket and grass curtain layer, the pocket upper end is equipped with the net sack, and the lower extreme of pocket is closed, is equipped with soil and grass in the pocket and irritates the seed. Its advantages are: straw curtain layer and seed back up coat are connected fixedly by biodegradable materials, and the soil on domatic top layer forms holistic three-dimensional covering structure through straw curtain layer and seed back up coat, when solving sandy soil side slope wind-blown sand raise dust and soil erosion and water loss problem, consolidates side slope top layer soil, promotes the supporting power of straw curtain.
Description
Technical Field
The utility model belongs to the technical field of road slope protection afforestation technique and specifically relates to a side slope straw curtain protective structure of road bed.
Background
The road construction process inevitably produces a plurality of slope projects, the produced slopes destroy the ecological balance of the original geomorphic soil vegetation system, the earth surface is exposed, and the soil resistance to rain erosion is reduced, so that the water loss and soil erosion are aggravated, and the ecological damage is gradually serious; if the bare side slope is not treated well, the method can generate irreversible serious mischief on the surrounding environment and the safety of the highway. According to research and research, the water and soil loss of more than 5000 million tons is newly increased in the middle and lower reaches of Yangtze river every year due to road construction. In the past, the traditional slope protection mode mostly adopts a pure engineering slope protection mode, such as masonry protection or three-dimensional net hydraulic spray seeding, and the pure engineering slope protection has no ecological benefit and poor landscape effect and does not accord with the current ecological and environment-friendly concept of society. The existing ecological slope protection method adopting plant grass blankets is high in cost of plant fiber blankets. There has patent to adopt the flexible three-dimensional curtain of road bed side slope to broadcast protective structure bank protection scheme, and its structure includes seed layer, wet careless curtain layer and mounting, the seed layer is irritated the seed by the grass and evenly spreads the back formation on the domatic of road bed side slope, and wet careless curtain layer is soaked the back tiling completely with the grass curtain and is obtained, and wet careless curtain layer is the complete docile cover seed layer, and wet careless curtain layer is formed according to the wind direction overlap joint by the wet careless curtain of each rectangular shape. Although the wet grass curtain is low in use cost, the overall strength is low, the wet grass curtain can only cover the surface of the side slope, the supporting force is insufficient, and the soil layer on the surface of the side slope cannot be reinforced.
Disclosure of Invention
The utility model aims at providing a side slope straw curtain protective structure of road bed.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a roadbed slope straw curtain protection structure comprises a straw curtain layer 2 and a seed reinforcing layer 3, wherein the straw curtain layer 2 comprises a first net layer 4, a wet straw curtain layer 5 and a second net layer 6, the wet straw curtain layer 5 is positioned between the first net layer 4 and the second net layer 6, and the first net layer 4, the wet straw curtain layer 5 and the second net layer 6 are fixedly wound together through threads 7; the seed reinforcing layer 3 is located the lower surface of grass curtain layer 2, and the seed reinforcing layer 3 includes a plurality of interval arrangement's seed pocket 9 and with the net twine 8 that seed pocket 9 and grass curtain layer 2 are connected, the net sack 9 upper end is equipped with net sack 10, and the lower extreme of net sack 9 is closed, is equipped with soil and grass in the net sack 9 and irritates the seed.
Preferably, a mixed matrix is also arranged in the mesh bag 9.
Preferably, the seed reinforcing layer 3 comprises 2-100 seed net bags 9 per square meter.
Preferably, the thread 7 is a flax fiber thread or a polylactic acid fiber thread, and the first mesh layer 4 and the second mesh layer 6 are made of photodegradable plastic fibers.
Preferably, the mesh wire 8 is a biodegradable plastic fiber wire.
Preferably, the upper end of the net wire 8 is wound, bound and fixed with the silk thread 7, and the lower end of the net wire 8 is wound, bound and fixed with the net bag opening 10.
Preferably, each seed mesh bag 9 is connected and bound with the grass curtain layer 2 through at least two mesh wires 8.
Preferably, the side surface of the mesh bag 9 is provided with a plurality of mesh holes.
Preferably, the mesh bag 9 is made of starch-based biodegradable plastic with certain strength, and two side surfaces of the mesh bag 9 are in a V shape with the tips facing downwards.
The utility model has the advantages that:
1. straw curtain layer and seed back up coat are connected fixedly by biodegradable materials, and the soil on domatic top layer forms holistic three-dimensional covering structure through straw curtain layer and seed back up coat, when solving sandy soil side slope wind-blown sand raise dust and soil erosion and water loss problem, consolidates side slope top layer soil, promotes the supporting power of straw curtain.
2. Soil can be in the installation is irritated to grass the utility model discloses just setting up in the pocket before protective structure, can carrying out the curing work of soil in advance, avoid newly digging temporarily that soil curing degree is not enough to reduce plant seeds rate of emergence.
3. The silk thread is flax fiber thread or polylactic acid fiber thread, and the first stratum reticulare, the second stratum reticulare are made by photodegradable plastic fiber. The silk thread, the first net layer and the second net layer are all made of biodegradable materials, so that the ecological and environment-friendly concept is met, and the plant growth in the seed reinforcing layer is promoted by nutrient substances decomposed by the biodegradable materials.
4. The net twine is biodegradable plastic fiber line, and the net twine that buries in soil later stage does not need the manual work to clear away, can degrade gradually for the humus that plant growth needs, provides the nutrient guarantee for grass irritates the plant.
5. The upper end and the silk thread winding of net twine are binded fixedly, because the silk thread alternates the winding with the whole grass curtain layer, and the net twine can be in the same place the firm fixing of grass curtain layer and pocket, strengthens the holistic fastness of grass curtain.
6. Every seed pocket is connected through two strands of net twines and grass curtain layer at least and is bound, is connected net bag and grass curtain layer through stranded net twine each other, strengthens the holistic fastness of grass curtain.
7. The side of pocket is equipped with a plurality of meshes, and plant roots in the pocket is the network form through mesh alternately growth in soil, further consolidates slope top layer soil.
Drawings
Figure 1 is the utility model discloses a side slope straw curtain protective structure sketch map of roadbed.
Fig. 2 is a structural schematic view of the straw mat layer and the seed reinforcing layer.
Fig. 3 is a schematic diagram of the internal structure of the straw mat layer.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.
The reference numerals and components referred to in the drawings are as follows:
| 1. |
2. Straw curtain layer | 3. Seed reinforcing |
| 4. |
5. Wet |
6. Second mesh layer |
| 7. |
8. Network cable | 9. |
| 10. Net bag mouth |
Example 1
Referring to fig. 1 to 3, fig. 1 is a schematic view of a roadbed slope straw curtain protection structure of the present invention, fig. 2 is a schematic view of a straw curtain layer and a seed reinforcing layer, and fig. 3 is a schematic view of an internal structure of the straw curtain layer.
The utility model provides a road bed side slope grass curtain protective structure, includes grass curtain layer 2 and seed back up coat 3, back up coat 3 sets up inside the domatic surface soil of road bed side slope, and grass curtain layer 2 covers on road bed side slope surface, and grass curtain layer 2 and seed back up coat 3 are connected fixedly by biodegradable material, and the soil on domatic surface passes through grass curtain layer 2 and 3 holistic three-dimensional cover structures of formation of seed back up coat, when solving sandy soil side slope wind sand raise dust and soil erosion and water loss problem, consolidates slope surface soil, promotes the supporting power of grass curtain. Specifically, the grass curtain layer 2 comprises a first net layer 4, a wet grass curtain layer 5 and a second net layer 6, the wet grass curtain layer 5 is located between the first net layer 4 and the second net layer 6, and the first net layer 4, the wet grass curtain layer 5 and the second net layer 6 are fixedly wound together through silk threads 7 in an inserting mode to form an integral covering structure. In the embodiment, the thickness of the straw curtain layer 2 is 2-500 mm; preferably, the thickness of the straw curtain layer 2 is 10-100 mm; more preferably, the thickness of the grass curtain layer 2 is 20-50 mm. The silk threads 7 are flax fiber threads or polylactic acid fiber threads, and the first net layer 4 and the second net layer 6 are made of photodegradable plastic fibers. The silk thread, the first net layer and the second net layer are all made of biodegradable materials, so that the ecological and environment-friendly concept is met, and the plant growth in the seed reinforcing layer is promoted by nutrient substances decomposed by the biodegradable materials. The seed strengthening layer 3 is located the lower surface of the grass curtain layer 2, the grass curtain layer 2 covers the seed strengthening layer 3, the seed strengthening layer 3 comprises a plurality of seed mesh bags 9 which are arranged at intervals and mesh lines 8 which connect the seed mesh bags 9 with the grass curtain layer 2, a mesh bag opening 10 is formed in the upper end of each mesh bag 9, the lower end bottom edges of the mesh bags 9 are sewn, and soil and grass are arranged in each mesh bag 9 to irrigate seeds. In this embodiment, a mixed matrix is further disposed in the mesh bag 9, the mixed matrix layer contains a nutrient substance capable of promoting the growth and emergence of the grass-shrub seeds, and preferably, the mixed matrix layer contains an organic substance, a long-acting fertilizer, a water-retaining agent, and a pH regulator. In this embodiment, the number of the seed net bags 9 can be set according to the requirements of the slope protection greening effect; preferably, each square meter of the seed reinforcing layer 3 comprises 2-100 seed mesh bags 9; more preferably, the seed reinforcement layer 3 includes 10 seed net bags 9 per square meter. In this embodiment, the net twine 8 is biodegradable plastic fiber line, and the net twine 8 buried in soil in the later stage does not need artifical the clearance, can degrade gradually for the humus that plant growth needs, provides the nutrient guarantee for grass irritates the plant. In this embodiment, the upper end of net twine 8 is twined with silk thread 7 and is binded fixedly, and the lower extreme of net twine 8 is twined with pocket mouth 10 and is binded fixedly, because silk thread 7 twines with the whole interlude of straw curtain layer 2, consequently the net twine 8 can be in the same place the firm fixing of straw curtain layer 2 and pocket 9, strengthens the holistic fastness of straw curtain. In the embodiment, each seed mesh bag 9 is connected and bound with the straw mat layer 2 through at least two mesh wires 8; preferably, each seed mesh bag 9 is connected and bound with the straw mat layer 2 through 2-10 mesh wires 8; more preferably, each seed mesh bag 9 is connected and bound with the straw mat layer 2 through 4 mesh wires 8; twine through stranded net twine and be connected pocket and straw curtain layer, strengthen the holistic fastness of straw curtain. In this embodiment, the side of the mesh bag 9 is provided with a plurality of meshes, and plant roots in the mesh bag 9 are crossed in soil through the meshes to form a network shape, so as to further reinforce the surface soil of the side slope. In this embodiment, preferably, the mesh bag 9 is made of starch-based biodegradable plastic with certain strength, two side surfaces of the mesh bag 9 are in a V shape, and the tips of the two side surfaces face downward, so that the mesh bag can be used with the V-shaped tips with certain strength to directly insert the whole mesh bag into the soil surface layer, thereby omitting the step of digging holes and burying the mesh bag, and simplifying the process.
The utility model discloses a side slope straw curtain protective structure buries part pocket earlier in the soil on side slope top layer, then will correspond the straw curtain of lapping and spread out and cover on soil surface, and the procedure of covering with the straw curtain of broadcasting seeds can go on simultaneously. It should be noted that, the utility model discloses in, grass curtain layer and seed back up coat are connected fixedly by biodegradable material, and the soil on domatic top layer forms holistic three-dimensional coverage structure through grass curtain layer and seed back up coat, when solving sandy soil side slope wind-sand raise dust and soil erosion and water loss problem, consolidates slope top layer soil, promotes the supporting power of grass curtain. The utility model discloses in, the soil can be in the installation is irritated to the grass the utility model discloses just set up in the pocket before protective structure, can carry out the curing work of soil in advance, avoid newly digging temporarily that soil curing degree is not enough to reduce the plant seed rate of emergence. The utility model discloses in, the silk thread is flax fiber line or polylactic acid fiber line, first stratum reticulare, second stratum reticulare are made by photodegradation plastic fiber. The silk thread, the first net layer and the second net layer are all made of biodegradable materials, so that the ecological and environment-friendly concept is met, and the plant growth in the seed reinforcing layer is promoted by nutrient substances decomposed by the biodegradable materials. The net twine is biodegradable plastic fiber line, and the net twine 8 that buries in soil later stage need not artifical the clearance, can degrade gradually for the humus that plant growth needs, provides the nutrient guarantee for grass irritates the plant. The utility model discloses in, the upper end and the silk thread winding of net twine are binded fixedly, because the silk thread twines with the whole interlude of grass curtain layer, consequently the net twine can be in the same place the firm fixing of grass curtain layer and pocket, strengthen the holistic fastness of grass curtain. The utility model discloses in, every seed pocket is connected through two strands of net twines and grass curtain layer at least and is bound, connects the pocket with grass curtain layer through the intertwine of stranded net twine, strengthens the holistic fastness of grass curtain. The utility model discloses in, the side of pocket is equipped with a plurality of meshs, and the plant roots in the pocket alternately is the network form in soil through the mesh, further consolidates side slope top soil.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A roadbed slope straw curtain protection structure comprises a straw curtain layer (2) and is characterized by further comprising a seed reinforcing layer (3), wherein the straw curtain layer (2) comprises a first net layer (4), a wet straw curtain layer (5) and a second net layer (6), the wet straw curtain layer (5) is located between the first net layer (4) and the second net layer (6), and the first net layer (4), the wet straw curtain layer (5) and the second net layer (6) are fixedly wound together in an interpenetration mode through silk threads (7); seed back up coat (3) are located the lower surface of grass curtain layer (2), and seed back up coat (3) include seed pocket (9) that a plurality of interval arrangements set up and net twine (8) of being connected seed pocket (9) and grass curtain layer (2), pocket (9) upper end is equipped with net sack (10), and the lower extreme of pocket (9) is closed, is equipped with soil and grass in pocket (9) and irritates the seed.
2. The slope grass curtain protection structure of claim 1, wherein the seed reinforcement layer (3) comprises 2-100 seed mesh bags (9) per square meter.
3. The slope grass curtain protection structure of claim 1, wherein the silk thread (7) is flax fiber thread or polylactic acid fiber thread, and the first net layer (4) and the second net layer (6) are made of light-degradable plastic fiber.
4. The slope grass curtain protection structure of claim 1, wherein the net thread (8) is a biodegradable plastic fiber thread.
5. The roadbed slope straw curtain protection structure as claimed in claim 1, wherein the upper end of the net wire (8) is wound, bound and fixed with the silk thread (7), and the lower end of the net wire (8) is wound, bound and fixed with the net bag opening (10).
6. The slope grass curtain protection structure according to claim 5, wherein each seed mesh bag (9) is connected and bound with the grass curtain layer (2) through at least two mesh wires (8).
7. The structure of protecting subgrade slope grass curtain according to claim 1, characterized in that the side of the mesh bag (9) is provided with a plurality of meshes.
8. The grass curtain protection structure for the roadbed slopes as claimed in any one of claims 1 to 7, wherein the mesh bag (9) is made of starch-based biodegradable plastic with certain strength, and two side surfaces of the mesh bag (9) are V-shaped with the tip facing downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221302343.XU CN217428851U (en) | 2022-05-27 | 2022-05-27 | Roadbed slope straw curtain protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221302343.XU CN217428851U (en) | 2022-05-27 | 2022-05-27 | Roadbed slope straw curtain protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217428851U true CN217428851U (en) | 2022-09-16 |
Family
ID=83221457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221302343.XU Expired - Fee Related CN217428851U (en) | 2022-05-27 | 2022-05-27 | Roadbed slope straw curtain protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217428851U (en) |
-
2022
- 2022-05-27 CN CN202221302343.XU patent/CN217428851U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220916 |