CN219653642U - Subsurface flow type ecological slope protection - Google Patents
Subsurface flow type ecological slope protection Download PDFInfo
- Publication number
- CN219653642U CN219653642U CN202321085541.XU CN202321085541U CN219653642U CN 219653642 U CN219653642 U CN 219653642U CN 202321085541 U CN202321085541 U CN 202321085541U CN 219653642 U CN219653642 U CN 219653642U
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- Prior art keywords
- slope
- layer
- gravel
- substrate
- retaining wall
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- 238000000746 purification Methods 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 244000052363 Cynodon dactylon Species 0.000 description 1
- 241000234643 Festuca arundinacea Species 0.000 description 1
- 241000209082 Lolium Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a subsurface flow type ecological slope protection, which comprises a hard substrate paved on a river bank, wherein a water diversion substrate of the hard substrate is connected with the slope top of a slope substrate of the hard substrate, the height of the water diversion substrate is lower than the height of the top surface of the river bank, a gabion retaining wall is arranged on the water diversion substrate near the slope top of the slope substrate, and a drainage ditch is reserved between the gabion retaining wall and the river bank; the gabion barricade outer wall connection multiunit bottom is fixed the geotechnique's check room on the slope basement, and geotechnique's check room encloses into the purification zone with the gabion barricade, and multiunit geotechnique's check room is arranged along the river bank, and the slope bottom in purification zone sets up the gap, and the part except the gap in the purification zone is equipped with purification zone gravel layer, planting soil layer and vegetation layer in proper order from the bottom up along the vertical direction of slope basement, be provided with three-dimensional net in purification zone gravel layer and the planting soil layer. The utility model can effectively recover vegetation of the river side slope hydro-fluctuation belt, enhance the purification capability of rainwater, improve the landscape effect, and has simple construction and low cost.
Description
Technical Field
The utility model relates to the field of ecological management and restoration, in particular to a subsurface flow type ecological slope protection.
Background
River revetments are important components of rivers and are a ligament for connecting a water area ecological system and a land ecological system, and urban river revetments are important green basic facilities for maintaining various ecological service functions. Along with the importance of ecological restoration, how to reform the waterfront hardening revetments of the urban river and restore the ecological functions of the waterfront hardening revetments is one of the serious difficulties of urban ecological construction.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the subsurface flow type ecological slope protection, so that the difficult problem of ecological restoration of the traditional urban river waterfront hardening revetment is solved under the condition that the existing foundation structure is not damaged, the purification capability of the revetment to rainwater can be enhanced, and the working procedure is simple and the cost is low.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an ecological bank protection of undercurrent, includes the stereoplasm basement of laying on the river bank, and the water diversion basement of stereoplasm basement links to each other with the slope top of the slope basement of stereoplasm basement, and the height of water diversion basement is less than the river bank top surface height, is provided with the gabion barricade near the slope top department of slope basement on the water diversion basement, leaves the escape canal between gabion barricade and the river bank; the gabion barricade outer wall connection multiunit bottom is fixed the geotechnique's check room on the slope basement, and geotechnique's check room encloses into the purification zone with the gabion barricade, and multiunit geotechnique's check room is arranged along the river bank, and the slope bottom department in purification zone is provided with the gap, and the part of purification zone except the gap is along the vertical direction of slope basement, has set gradually purification zone gravel layer, planting soil layer and vegetation layer from bottom to top, be provided with three-dimensional net in purification zone gravel layer and the planting soil layer.
The weirs as described above include a three-dimensional mesh and a layer of weirs gravel surrounded by the three-dimensional mesh.
The gravel layer of the purification area is filled in the lower part of the three-dimensional net, the lower part of the planting soil layer is filled in the upper part of the three-dimensional net, and the upper part of the planting soil layer covers the three-dimensional net.
The three-dimensional mesh bottom is secured to the ramp base with multiple sets of anchor nails as described above.
As described above, the geocell is a structure surrounded by a grid frame, and the grid frame adopts a reinforced concrete structure and is fixed on the slope substrate.
The gravel layer of the purification area is connected with the bottom of the gabion retaining wall.
The three-dimensional net is a multi-layer net bag-shaped three-dimensional net structure.
As described above, the gabion retaining wall is filled with gravel, the diameter of the gravel in the gabion retaining wall is smaller than the diameter of the gravel in the gravel layer of the purification area, and the diameter of the gravel in the gravel layer of the purification area is smaller than the diameter of the gravel in the gravel layer of the overflow port.
As described above, the height of the gabion retaining wall and the thickness of the spillway gravel layer are both greater than the thickness of the purification zone gravel layer.
The height of the top surface of the geocell frame above the slope surface of the slope base is larger than the thickness of the gravel layer of the purification area.
The utility model has the beneficial effects that:
utilize three-dimensional net, the mutual staggered connection of the developed root system of herbaceous plant, form a plate structure with purifying zone gravel layer, vegetation soil layer and three-dimensional net to through anchor nail structure with its whole fixed in the geocell room, the space between the gravel of lower floor combines together with the vegetation root system, provides the space that microorganism survived, and the rainwater flows into the gravel layer through the escape canal through gabion barricade, overflows into the river from the slope bottom after absorbing and the purification of microorganism through the escape canal. According to the utility model, under the condition of not damaging the structure and strength of the existing slope protection hard substrate, the vegetation of the hard slope is recovered, the ecological landscape of the hard slope is reconstructed, and meanwhile, the rainwater can be purified; and the operation is simple, and the cost is low.
Drawings
FIG. 1 is a schematic view of a longitudinal section structure of the present utility model;
FIG. 2 is a top plan schematic view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
in the figure: the soil-free water-saving type soil-saving device comprises a 1-hard substrate, a 2-drainage ditch, a 3-gabion retaining wall, a 4-geocell, a 5-three-dimensional net, 6-anchoring nails, a 7-purification area gravel layer, an 8-planting soil layer, a 9-vegetation layer, 10-overflow ports and 11-overflow port gravel layer.
Detailed Description
The present utility model will be further described in detail below in conjunction with the following examples, for the purpose of facilitating understanding and practicing the present utility model by those of ordinary skill in the art, it being understood that the examples described herein are for the purpose of illustration and explanation only and are not intended to limit the utility model.
Example 1
The utility model provides an ecological bank protection of undercurrent, includes the stereoplasm basement 1 of laying on the river bank, stereoplasm basement 1 includes slope basement and the diversion basement that links to each other with slope basement slope top, and the height of diversion basement is less than river bank top surface height, is provided with gabion barricade 3 near slope basement slope top department on the diversion basement, leaves the water channel as escape canal 2 between gabion barricade 3 and the river bank; the outer wall of the gabion retaining wall 3 is connected with a plurality of groups of geocells 4 with bottoms fixed on the slope base, as shown in figure 2. On the slope base, each group of geocells 4 and the gabion retaining wall 3 enclose an 'opening' -shaped purification area, and a plurality of groups of geocells 4 are distributed along the river bank. The bottom of the purifying area is provided with an overflow port 10, and the overflow port 10 comprises a three-dimensional net 5 and an overflow port gravel layer 11 wrapped by the three-dimensional net 5. The purifying area gravel layer 7, the planting soil layer 8 and the vegetation layer 9 are sequentially arranged in the purifying area along the vertical direction of the slope substrate except the overflow port 10 from bottom to top; three-dimensional nets 5 are arranged in the purifying area gravel layer 7 and the planting soil layer 8, so that the purifying area gravel layer 7 and the planting soil layer 8 are fixed. The purifying area gravel layer 7 is filled at the lower part of the three-dimensional net 5, the lower part of the planting soil layer 8 is filled at the upper part of the three-dimensional net 5, and the upper part of the planting soil layer 8 covers the three-dimensional net 5; the bottom of the three-dimensional net 5 is fixed on the slope base by a plurality of groups of anchoring nails 6.
The bottom of the gabion retaining wall 3 is flush with the bottom of the drainage ditch 2, and in this embodiment, the height of the gabion retaining wall 3 is 25cm, the inside is filled with gravel with small particle size, and the diameter of the gravel with small particle size is 2-10 mm.
The geocell 4 is enclosed into a square structure by a grid frame, the grid frame adopts a reinforced concrete structure and is fixed on the slope substrate of the hard substrate 1, the purifying area gravel layer 7 is connected with the bottom of the gabion retaining wall 3, the height of the gabion retaining wall 3 and the height of the top surface of the grid frame of the geocell 4, which is higher than the slope surface of the slope substrate, are both greater than the thickness of the purifying area gravel layer 7, and in the embodiment, the top surface of the grid frame is 20-25 cm higher than the slope surface of the slope substrate of the hard substrate 1. The thickness of the gravel layer 7 in the purification area is 15-20 cm, the gravel adopted by the gravel layer 7 in the purification area is natural gravel, and the diameter is 20-30 mm.
The planting soil layer 8 is positioned at the upper part of the gravel layer 7 in the purifying area. In this embodiment, the thickness of the planting soil layer 8 is 5-10 cm.
The vegetation layer 9 is a herbal plant with developed root system and good water resistance, and has ornamental value, such as festuca arundinacea, ryegrass, bermuda grass and the like.
The overflow gap 10 is positioned at the slope bottom of the purification area, the overflow gap gravel layer 11 is arranged from the bottom layer to the upper layer, the overflow gap gravel layer 11 is wrapped in the three-dimensional net 5, the thickness of the overflow gap gravel layer 11 is larger than that of the purification area gravel layer 7, in the embodiment, the thickness of the overflow gap gravel layer 11 is 20-25 cm, the gravel adopted by the overflow gap gravel layer 11 is natural gravel, and the diameter is 30-45 mm.
The bottom of the three-dimensional net 5 is fixed on the slope substrate of the hard substrate 1 by a plurality of groups of anchor nails 6, the three-dimensional net 5 is made of polyethylene, a multi-layer net bag-shaped three-dimensional net structure is adopted, and the mesh size is 5cm multiplied by 5cm.
During rainfall, rainwater flows into the purification area through gravel gaps in the drainage ditch 2 and the gabion retaining wall 3 in sequence, and when the rainfall is small, the rainwater flows from the purification area gravel layer 7 from top to bottom along the gradient, can be purified through microorganisms and vegetation roots attached to the purification area gravel layer 7, and then overflows from the bottom overflow port 10; when the precipitation amount of rainwater is large, part of the rainwater passes through the gravel layer 7 of the bottom purification area, and part of the rainwater passes through the vegetation layer 9 on the upper part, and both paths can have the functions of filtering and intercepting sewage.
It should be noted that the specific embodiments described in this application are merely illustrative of the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or its scope as defined in the accompanying claims.
Claims (10)
1. The submerged ecological slope protection comprises a hard substrate (1) paved on a river bank, and is characterized in that a water diversion substrate of the hard substrate (1) is connected with the slope top of a slope substrate of the hard substrate (1), the height of the water diversion substrate is lower than the height of the top surface of the river bank, a gabion retaining wall (3) is arranged on the water diversion substrate near the slope top of the slope substrate, and a drainage ditch (2) is reserved between the gabion retaining wall (3) and the river bank; the stone cage retaining wall (3) outer wall connection multiunit bottom is fixed geotechnique's check room (4) on slope basement, and the purification zone is enclosed with stone cage retaining wall (3) to geotechnique's check room (4), and multiunit geotechnique's check room (4) are arranged along the river bank, and the slope bottom department in purification zone is provided with gap (10), and the vertical direction of slope basement is followed to the part except gap (10) in the purification zone, has set gradually purification zone gravel layer (7), planting soil layer (8) and vegetation layer (9) from the bottom up, be provided with three-dimensional net (5) in purification zone gravel layer (7) and the planting soil layer (8).
2. The subsurface flow ecological slope protection according to claim 1, wherein the overflow (10) comprises a three-dimensional net (5) and an overflow gravel layer (11) wrapped by the three-dimensional net (5).
3. The subsurface flow ecological slope protection according to claim 2, wherein the purification zone gravel layer (7) is filled in the lower part of the three-dimensional net (5), the lower part of the planting soil layer (8) is filled in the upper part of the three-dimensional net (5) and the upper part of the planting soil layer (8) covers the three-dimensional net (5).
4. A subsurface flow ecological slope protection according to claim 3, characterized in that the bottom of the three-dimensional net (5) is fixed on the slope base by a plurality of groups of anchor nails (6).
5. The subsurface flow ecological slope protection according to claim 1, wherein the geocell (4) is a structure surrounded by a grid frame, and the grid frame adopts a reinforced concrete structure and is fixed on a slope substrate.
6. The subsurface flow ecological slope protection according to claim 1, wherein the purification area gravel layer (7) is connected with the bottom of the gabion retaining wall (3).
7. A subsurface flow ecological slope protection according to claim 3, characterized in that the three-dimensional net (5) is a multi-layer net bag-shaped three-dimensional net structure.
8. The subsurface flow ecological slope protection according to claim 2, wherein the gabion retaining wall (3) is filled with gravel, the diameter of the gravel in the gabion retaining wall (3) is smaller than the diameter of the gravel in the gravel layer (7) in the purification area, and the diameter of the gravel in the gravel layer (7) in the purification area is smaller than the diameter of the gravel in the overflow gravel layer (11).
9. The subsurface flow ecological slope protection according to claim 2, wherein the height of the gabion retaining wall (3) and the thickness of the spillway gravel layer (11) are both greater than the thickness of the purification zone gravel layer (7).
10. The subsurface flow ecological slope protection according to claim 5, wherein the height of the top surface of the geocell (4) grid frame higher than the slope surface of the slope base is larger than the thickness of the gravel layer (7) in the purification area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085541.XU CN219653642U (en) | 2023-05-08 | 2023-05-08 | Subsurface flow type ecological slope protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085541.XU CN219653642U (en) | 2023-05-08 | 2023-05-08 | Subsurface flow type ecological slope protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219653642U true CN219653642U (en) | 2023-09-08 |
Family
ID=87861140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321085541.XU Active CN219653642U (en) | 2023-05-08 | 2023-05-08 | Subsurface flow type ecological slope protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219653642U (en) |
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2023
- 2023-05-08 CN CN202321085541.XU patent/CN219653642U/en active Active
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