CN215329941U - Ecological bank protection of net permeates water - Google Patents
Ecological bank protection of net permeates water Download PDFInfo
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- CN215329941U CN215329941U CN202022835325.5U CN202022835325U CN215329941U CN 215329941 U CN215329941 U CN 215329941U CN 202022835325 U CN202022835325 U CN 202022835325U CN 215329941 U CN215329941 U CN 215329941U
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- permeable
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000012466 permeate Substances 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims description 36
- 239000004746 geotextile Substances 0.000 claims description 14
- 239000004568 cement Substances 0.000 claims description 7
- 239000011083 cement mortar Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 241001464837 Viridiplantae Species 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 244000025254 Cannabis sativa Species 0.000 description 19
- 239000003337 fertilizer Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of slope protection engineering, in particular to a permeable grid ecological slope protection. The ecological slope protection with the permeable grids comprises the permeable grids, wherein the permeable grids are arranged on a slope surface in a square shape or a herringbone shape; the permeable grid material is sand-free concrete. When the permeable grids are arranged in a square shape, the sections of the permeable grids are L-shaped, and a convex part on one side of the upper part of the permeable grids with the L-shaped sections is a water guide ridge. When the permeable grids are arranged in a herringbone manner, the sections of the permeable grids comprise an L shape and a U shape; the water guide ridge is arranged on the upper side of the L-shaped section water permeable grid, and the water guide ridge is arranged on the upper side of the U-shaped section water permeable grid. The ecological slope protection can reduce the hydraulic action strength and avoid the slope surface from being intensively scoured; the method is favorable for accelerating the slope drainage speed and preventing slope runoff from eroding the slope; is beneficial to reducing the underground water level and improving the stability and safety of the slope skid resistance.
Description
Technical Field
The utility model relates to the technical field of slope protection engineering, in particular to a permeable grid ecological slope protection.
Background
At present, slope protection such as roadbed, cutting soil slope, dyke body water-facing slope of hydraulic engineering, soil dam backwater slope and the like of highway engineering mostly adopts a concrete framework turf slope protection technology, and aims to prevent the slope from being eroded by water power and restore ecological vegetation.
A technology for protecting slope by concrete skeleton and turf features that the concrete skeleton is arranged on the slope of soil and the grass is planted in the lattice. The working principle is as follows: the hydraulic scouring of the slope is reduced by utilizing the intercepting and water guiding functions of the water intercepting ridges on the framework; and the purposes of slope protection and ecological environment improvement are achieved through mechanical reinforcement of the root system of the planted quilt in the grid and hydrological effect of the aboveground biomass. The technology is a comprehensive engineering technology integrating multiple disciplines such as soil mechanics, botany, fertilizer science, environmental ecology and the like.
However, the slope protection structure using interception and water guide as core technology still has hydraulic erosion slope, and the prominent effect is as follows: the erosion of soil on the side of the framework is serious; the side slope rain-sprinkling ditches are frequently generated, and particularly, the side slope is excavated by using the clay soil, so that the rain-sprinkling ditches are relatively developed. In addition, the discharge of groundwater is not smooth, and sliding of the shallow layer of the side slope sometimes occurs.
Disclosure of Invention
Aiming at the problems of slope surface hydraulic erosion and shallow sliding damage of excavated soil side slopes and backfilled soil side slopes of the existing protective structures, the utility model provides the permeable grid ecological slope protection, which can effectively prevent the soil side slopes from being damaged by water force and can also be used for building slope ecological landscapes.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the ecological slope protection with the permeable grids comprises the permeable grids, wherein the permeable grids are arranged on a slope surface in a square or herringbone mode, and a water guide ridge is arranged on the upper portion of the section of each permeable grid; the material of the permeable grid is sand-free concrete.
Furthermore, the water permeable grids are arranged on the slope surface in a square shape, the cross sections of the water permeable grids are L-shaped, and a protruding part on one side of the upper part of each L-shaped water permeable grid is a water guide ridge.
Furthermore, the permeable grids are arranged on the slope surface in a herringbone mode, and the sections of the permeable grids comprise an L shape and a U shape; the convex part on one side of the upper part of the L-shaped water-permeable grid is a water guide ridge, and the convex parts on two sides of the upper part of the U-shaped water-permeable grid are water guide ridges.
Furthermore, a layer of cement mortar plastering surface is arranged on the top surface and the side surface of one side of the water guide ridge.
Further, when the water-permeable grids are arranged in a square shape, the area between the square grids is not greater than 6.25 m; when the water permeable grids are arranged in a herringbone manner, the area between the herringbone grids is not larger than 12.5 m.
Further, when the water-permeable grids are arranged in a square shape, the area between the square grids is 6.25 m; when the water permeable grids are arranged in a herringbone manner, the area between the herringbone grids is 12.5 m.
Further, the mixing ratio of the sand-free concrete is cement: crushing stone: water = 1: 5: 0.4; the cement is ordinary portland cement with the strength grade of 42.5, and the particle size of broken stone is 16-31.5 mm.
Further, non-woven geotextile is laid on the contact surface of the permeable grid and the side slope soil, and the mass of the non-woven geotextile is 10-15 g/m2。
Furthermore, the water-permeable grid ecological slope protection also comprises a vegetation system, wherein the vegetation system comprises vegetation on the upper part of the water-permeable grid and vegetation between the water-permeable grids; the vegetation on the upper part of the permeable grids comprises soil and green plants covered on the surface layers of the permeable grids, and the vegetation between the permeable grids comprises slope soil and green plants; the soil thickness that covers at the net surface course of permeating water is no less than 2cm, green plants is the herbaceous plant.
The utility model also provides a drainage system, which consists of a slope top drainage ditch, the permeable grid ecological slope protection and a slope toe drainage ditch.
The working principle of the utility model is as follows:
the permeable grid of the permeable grid ecological slope protection is formed by pouring the non-fine concrete, the porosity of the non-fine concrete is high, the non-fine concrete has strong water permeability, rainwater falls onto a slope surface during rainfall, and can be discharged downwards along the permeable grid without generating large shearing force on the side edge of the permeable grid to erode a side slope; and the permeable grids have good water permeability, rainwater cannot be accumulated in the slope when rainfall is more, and the slope soil is not easy to run off. The net that permeates water communicates with the escape canal of hillside top and toe respectively, and the water in the escape canal is too late when discharging, also can be down discharged along the net that permeates water, reduces drainage pressure. The upper parts of the permeable grids are provided with water guide ridges, and the top surfaces and the side surfaces of one sides of the water guide ridges are designed to be wiped, so that the water guide ridges can limit the water collection area, collected water in one permeable grid is guided into the permeable grid, and the hydraulic scouring strength is reduced. When the water content of the side slope soil is larger, the underground water level can be reduced through the water drainage of the permeable grids, and the stability of the side slope is improved; the non-woven geotextile is arranged on the contact surface of the permeable grid and the side slope soil, and plays a role in reverse filtration. The ecological slope protection of the permeable grid is also provided with a vegetation system, the permeable grid is covered with soil and planted with grass seeds, and the roots of the grass seeds can fasten the soil and adhere to the permeable grid after growing, so that the soil loss is avoided; meanwhile, different grass seeds can be matched for planting to form a slope landscape.
The utility model has the beneficial effects that:
the permeable grid ecological slope protection can reduce the hydraulic action strength and avoid the slope surface from being intensively scoured; the method is favorable for accelerating the slope drainage speed and preventing slope runoff from eroding the slope; the underground water level is reduced, and the anti-skid stability and safety of the side slope are improved; the vegetation recovery is facilitated, and the landscape benefit of slope protection engineering is improved; the raw materials are easy to obtain, the cost is low, the construction process is simple, the practicability is high, and the method is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural view of a water-permeable grid ecological slope protection in an embodiment of the present invention.
Fig. 2 is a schematic structural view of an ecological slope protection with water-permeable grids in another embodiment of the utility model.
Fig. 3 is a schematic structural view of the water-permeable grid with the L-shaped section in fig. 2.
Fig. 4 is a schematic structural view of the water-permeable grid with the U-shaped section in fig. 2.
The reference signs explain: 1-permeable grid, 101-water guide ridge, 102-water guide ridge plastering, 103- 'L' -shaped section permeable grid, 104- 'U' -shaped section permeable grid, 2-non-woven geotextile, 3-vegetation, 4-backfill and 5-slope.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
The first embodiment is as follows:
the ecological slope protection with the permeable grids shown in fig. 1 comprises the permeable grids 1, wherein the permeable grids 1 are distributed in a square shape, the cross sections of the permeable grids 1 are in an L shape, and the areas among the grids are not larger than 6.25 m; the convex part on one side of the upper part of the L-shaped water permeable grid 103 is a water guide ridge 101. The material of the permeable grid 1 is sand-free concrete; the mixing proportion of the sand-free concrete is that cement: crushing stone: water = 1: 5: 0.4; the cement is ordinary portland cement with the strength grade of 42.5, and the particle size of broken stone is 16-31.5 mm.
A layer of cement mortar water guide ridge plastering surface 102 is arranged on the top surface and one side surface of the water guide ridge 101; the water guide ridge 101 can limit the water collection area, and the collected water in one square grid is guided into the water permeable grid 1, so that the hydraulic scouring strength is reduced.
Wherein, a non-woven geotextile 2 is laid on the contact surface of the L-shaped section water-permeable grid 103 and the slope soil, and the mass of the non-woven geotextile 2 is 10-15 g/m2. The non-woven geotextile 2 plays a role of reverse filtration.
Wherein, the ecological bank protection of net that permeates water still includes the vegetation system, and the vegetation system includes backfill 4, fertilizer and grass seeds, backfill 4, fertilizer and grass seeds mix, cover on net 1 that permeates water, and 2cm are no less than in 4 upper portions of backfill and domatic 5 parallel and level, the lower part entering net 1 top layer that permeates water, and grass seeds are planted in soil. The root system can fasten the soil and attach to the L-shaped water-permeable grid 103 after the grass seeds grow, and the soil loss can be effectively avoided.
During construction, the slope 5 is firstly leveled and cleaned; then, grooves with the section size of 40 multiplied by 45cm (width multiplied by depth) are excavated on the slope surface, the grooves are arranged in a square grid shape, and the grooves are respectively communicated with drainage ditches at the top and the bottom of the slope; laying a non-woven geotextile 2 in the trench; preparing to pour an L-shaped section water-permeable grid 103, pouring the bottom of the L-shaped section water-permeable grid 103 without a vertical template, pouring an upper water guide ridge 101 with a vertical template, and pouring prepared sand-free concrete to form the L-shaped section water-permeable grid 103, wherein the bottom of the section of the L-shaped section water-permeable grid 103 is 40 multiplied by 40cm (width multiplied by height), and the protruding part on one side of the upper part is 10 multiplied by 10cm (width multiplied by height); then cement mortar with the strength of M7.5 is selected to be applied to the top surface and the side surface of the convex part at one side of the upper part of the L-shaped permeable grid 103 for 2cm thick plastering to form a water guide ridge 101; the water guide ridge 101 is 5cm below the slope surface and protrudes 7cm above the slope surface (wherein 2cm is a water guide ridge plastering surface 102); finally, covering the backfill soil 4, the fertilizer and the grass seed mixture on the L-shaped permeable grids 103, wherein the upper part of the backfill soil 4 is level with the slope surface, the lower part of the backfill soil enters the permeable grids for no less than 2cm, and the grass is planted on the whole slope surface for protection and landscaping; the vegetation 3 grass species can select a slope protection scheme for planting the same grass species on the whole slope surface, or a slope protection scheme for planting different plants on the upper part of the L-shaped water-permeable grid 103 to form a landscape zone.
When raining, rainwater splashes and collects on the slope surface 5 and can be discharged downwards along the permeable grids 1, large shearing force cannot be generated on the side edges of the permeable grids 1, and soil on the slope surface 5 is not easy to run off due to the action of the vegetation 3; and the latticed permeable grids 1 are respectively communicated with drainage ditches at the top and the foot of the slope, so that water in the drainage ditches can be drained downwards along the permeable grids 1 when the water is not ready to be drained, and the slope surface drainage pressure is reduced. The permeable grids 1 drain water in a subarea mode, drainage ditches are arranged at the top and the foot of the slope to drain water in a centralized mode, and a slope mixed drainage system is formed.
Example two:
the ecological slope protection of the permeable grids shown in fig. 2 comprises the permeable grids 1, wherein the permeable grids 1 are distributed in a shape like the Chinese character 'ren', the sections of the permeable grids 1 are provided with two types of L-shaped permeable grids 103 and U-shaped permeable grids 104, and the areas between the Chinese character 'ren' shaped grids are not more than 12.5 m; a water guide ridge 101 is arranged on one side of the upper part of the L-shaped water permeable grid 103, and water guide ridges 101 are arranged on two sides of the upper part of the U-shaped water permeable grid 104. The material of the permeable grid 1 is sand-free concrete; the mixing proportion of the sand-free concrete is that cement: crushing stone: water = 1: 5: 0.4; the cement is ordinary portland cement with the strength grade of 42.5, and the particle size of broken stone is 16-31.5 mm.
A layer of cement mortar water guide ridge plastering surface 102 is arranged on the top surface and one side surface of the water guide ridge 101; the water guide ridge 101 can limit the water collection area, and the collected water in the herringbone grid is guided into the water permeable grid 1, so that the hydraulic scouring strength is reduced.
Wherein the water- permeable grids 103 and 104 with L-shaped cross sections and the side slope soil contact surface are further paved with non-woven geotextile 2, and the mass of the non-woven geotextile 2 is 10-15 g/m2. The non-woven geotextile 2 plays a role of reverse filtration.
Wherein, the ecological bank protection of net that permeates water still includes the vegetation system, and the vegetation system includes backfill 4, fertilizer and grass seeds, backfill 4, fertilizer and grass seeds mix, cover on net 1 that permeates water, and 2cm are no less than in 4 upper portions of backfill and domatic 5 parallel and level, the lower part entering net 1 top layer that permeates water, and grass seeds are planted in soil. The root system can fasten the soil and attach to the L-shaped section water-permeable grids 103 and the U-shaped section water-permeable grids 104 after the grass seeds grow, and the soil loss can be effectively avoided.
During construction, the slope 5 is firstly leveled and cleaned; then, excavating grooves with the section size of 80 multiplied by 45cm and excavating grooves with the section size of 40 multiplied by 45cm on the slope surface, wherein the grooves are arranged in a herringbone grid shape and are respectively communicated with drainage ditches at the top and the bottom of the slope; laying a non-woven geotextile 2 in a groove, preparing to pour a U-shaped water permeable grid 104 and an L-shaped water permeable grid 103, pouring the bottoms of the U-shaped water permeable grid 104 and the L-shaped water permeable grid 103 without using a vertical mold, pouring an upper water guide sill 101 with using a vertical mold, pouring prepared sand-free concrete to form the U-shaped water permeable grid 104 and the L-shaped water permeable grid 103, wherein the bottom of the U-shaped water permeable grid 104 is 80 multiplied by 40cm (width multiplied by height), the protruding parts on two sides of the upper part are 15 multiplied by 15cm (width multiplied by height), the bottom of the L-shaped water permeable grid 103 is 40 multiplied by 40cm (width multiplied by height), and the protruding part on one side of the upper part is 10 multiplied by 10 cm; then, cement mortar with the strength of M7.5 is selected to perform 2cm thick plastering on the top surface and one side surface of the protruding parts on the two sides of the upper part of the U-shaped permeable grid 104 to form a water guide ridge 101 on the U-shaped section permeable grid 104; and cement mortar with the strength of M7.5 is selected to be coated in a thickness of 2cm on the top surface and the side surface of the convex part on one side of the upper part of the L-shaped permeable grid 103 to form a water guide ridge 101 on the L-shaped permeable grid 103. The water guide ridge 101 is 5cm below the slope surface and protrudes 7cm above the slope surface (wherein 2cm is a water guide ridge plastering surface 102); finally, covering the upper part of the permeable grid 1 with backfill 4, fertilizer and grass seed mixture, wherein the upper part of the backfill 4 is level with the slope surface and enters the permeable grid 1 at least for 2cm, and planting grass on the full slope surface 5 for protection and landscaping; the vegetation 3 can be the scheme of planting the same grass slope on the whole slope or the protection scheme of planting different plants on the upper part of the water permeable network 1 to form a landscape zone.
The permeable grid ecological slope protection is suitable for protecting soil slopes, is beneficial to reducing the hydraulic action strength and avoids the slope surface from being intensively scoured; the method is favorable for accelerating the slope drainage speed and preventing slope runoff from eroding the slope; the underground water level is reduced, and the anti-skid stability and safety of the side slope are improved; the vegetation recovery is facilitated, and the landscape benefit of slope protection engineering is improved; the slope vegetation system can use different planting schemes, and the ornamental value is strong; the permeable grid ecological protection raw material is easy to obtain, low in cost, simple in construction process, strong in practicability and suitable for popularization and use.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an ecological bank protection of net that permeates water, includes the net that permeates water, its characterized in that: the permeable grids are arranged on the slope surface in a square shape or a herringbone shape, and a water guide ridge is arranged at the upper part of the section of each permeable grid; the material of the permeable grids is sand-free concrete;
when the permeable grids are arranged on the slope surface in a square shape, the sections of the permeable grids are L-shaped, and a convex part on one side of the upper part of each L-shaped permeable grid is a water guide ridge;
when the permeable grids are arranged on the slope surface in a herringbone manner, the sections of the permeable grids are in an L shape and a U shape; the convex part on one side of the upper part of the L-shaped water-permeable grid is a water guide ridge, and the convex parts on two sides of the upper part of the U-shaped water-permeable grid are water guide ridges;
a layer of cement mortar plastering is arranged on the top surface and one side surface of the water guide ridge; and a non-woven geotextile is laid on the contact surface of the permeable grid and the side slope soil, and the mass of the non-woven geotextile is 10-15 g/m 2.
2. The ecological slope protection of net that permeates water of claim 1, its characterized in that: when the permeable grids are arranged in a square shape, the inner area of each square grid is not larger than 6.25 m; when the water permeable grids are arranged in a herringbone manner, the area between the herringbone grids is not larger than 12.5 m.
3. The ecological slope protection of net that permeates water of claim 1, its characterized in that: the cement is ordinary portland cement with the strength grade of 42.5, and the particle size of broken stone is 16-31.5 mm.
4. The ecological slope protection of net that permeates water of claim 1, its characterized in that: the vegetation system comprises vegetation on the upper part of the permeable grids and vegetation among the permeable grids; the vegetation on the upper part of the permeable grids comprises soil and green plants covered on the surface layers of the permeable grids, and the vegetation between the permeable grids comprises slope soil and green plants; the soil thickness that covers at the net surface course of permeating water is no less than 2cm, green plants is the herbaceous plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835325.5U CN215329941U (en) | 2020-12-01 | 2020-12-01 | Ecological bank protection of net permeates water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835325.5U CN215329941U (en) | 2020-12-01 | 2020-12-01 | Ecological bank protection of net permeates water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329941U true CN215329941U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022835325.5U Expired - Fee Related CN215329941U (en) | 2020-12-01 | 2020-12-01 | Ecological bank protection of net permeates water |
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| Country | Link |
|---|---|
| CN (1) | CN215329941U (en) |
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2020
- 2020-12-01 CN CN202022835325.5U patent/CN215329941U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |
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