CN216864995U - Cascaded ecological gabion bank protection of view - Google Patents

Cascaded ecological gabion bank protection of view Download PDF

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CN216864995U
CN216864995U CN202122202766.6U CN202122202766U CN216864995U CN 216864995 U CN216864995 U CN 216864995U CN 202122202766 U CN202122202766 U CN 202122202766U CN 216864995 U CN216864995 U CN 216864995U
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slope
layer
check
stepped
bank
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方小山
张雪霏
李雄
胡慧建
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
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    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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Abstract

The utility model discloses a landscape stepped ecological gabion protection slope, which comprises a river bank slope, a permeable concrete layer, an ecological gabion retaining wall and a vegetation layer; the river bank slope is squared to form a stepped plane and tamped, the permeable concrete layer is positioned at the joint of the river bank slope and the ecological gabion retaining wall, and a first stepped bank slope which can be attached to the stepped surface of the river bank slope is formed along the bank protection slope from bottom to top; the ecological gabion retaining wall comprises a plurality of gabion net cages which are stacked and connected from bottom to top along a slope of the first stepped bank; one side of each check net box is fixed on the slope surface of the slope of the first step-type embankment, and the other side of each check net box forms a slope of the second step-type embankment; the vegetation layer is composed of vegetation nets formed by planting vegetation on the surfaces of the ecological gabion retaining walls. The utility model ensures the water-land connectivity while maintaining the stability and the anti-scouring capability of the river channel side slope, and avoids damaging the river channel ecosystem; the integral form has the characteristics of durability, universality, flexibility and economy.

Description

Cascaded ecological gabion bank protection of view
Technical Field
The utility model relates to the field of river channel ecological bank protection, in particular to a landscape stepped ecological gabion slope protection.
Background
The riparian zone is an important component of the river environment, has the functions of stabilizing the riparian, beautifying the environment, keeping water and soil, regulating microclimate, maintaining biological diversity and the like, and is an important transition area for exchanging substances, energy and information of ecological systems of land and water areas. Therefore, in the river regulation process, the construction of bank protection engineering not only needs to meet the basic functions of stable structure, landslide prevention and scour resistance, but also focuses on the protection and development of ecological environment. The concrete baffle or large-scale stone are built into the protection slope or the protection wall in most traditional bank protection, though this kind of way is structurally reliable effective, nevertheless causes certain hindrance to the connectivity of water and land environment, is unfavorable for ecological environment's development, and this kind of way also makes the river course bank line stifled moreover, has reduced whole view effect. The ecological bank protection is a river bank protection form for greening and protecting river slopes by using plants or wood, stone and other materials and plants, has the outstanding characteristic of permeability, and has important influence on the maintenance of biological diversity and the exertion of ecological functions of the whole river bank zone.
The patent with publication number 209779604U is a high-stability landscape wall for river channel side slopes, and is characterized in that the stability of the landscape wall is enhanced by constructing a concrete base and a concrete wall body, and the wall body is greened by arranging a planting groove on one side of the landscape wall. The revetment landscape wall has high stability, but the connection between water and land is weakened due to the large use of concrete, and the ecological system of the river channel is damaged to a certain extent.
The patent with the publication number of 208563250U is a river channel ecological revetment, which adopts a gabion to be built on a river bank slope to form a step-shaped retaining wall, wherein a bottom mud ecological bag layer and a soil layer are used for filling and leveling planting plants on the gabion, and a permeation adsorption filter layer is positioned on the slope surface of the revetment and consists of an inner layer of permeable concrete and an outer layer of permeable concrete and an adsorption filter layer clamped between the two permeable concrete layers. This ecological revetment compares traditional revetment, has softened bank line edge, but infiltration absorption filter layer is fixed, can not change, infiltration absorption filter effect is limited, has hindered water and land intercommunication moreover to a certain extent. In addition, the whole structure needs a large number of wooden piles as the foot protection supports, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the traditional bank protection technology, the utility model provides the landscape stepped ecological gabion protection slope, the structure can ensure the sufficient exchange between a river bank and a water body, the effective removal of pollutants such as organic matters, heavy metals and the like in the water body and the normal growth of plants while ensuring the economy, stability and scouring resistance, and has good durability, universality and flexibility in practical application.
The purpose of the utility model is realized by at least one of the following technical solutions.
A landscape stepped ecological gabion revetment comprises a river bank slope, a permeable concrete layer, an ecological gabion retaining wall and a vegetation layer;
the river bank slope is squared to form a stepped plane and tamped, the permeable concrete layer is positioned at the joint of the river bank slope and the ecological gabion retaining wall, and a first stepped bank slope which can be attached to the stepped surface of the river bank slope is formed along the bank protection slope from bottom to top; the ecological gabion retaining wall comprises a plurality of gabion net cages which are stacked and connected from bottom to top along a slope of the first stepped bank; one side of each check net box is fixed on the slope surface of the slope of the first step-type embankment, and the other side of each check net box forms a slope of the second step-type embankment; the vegetation layer is composed of vegetation nets formed by planting vegetation on the surfaces of the ecological gabion retaining walls.
Furthermore, the river bank slope is cut into a stepped plane according to the actual bank protection width and tamped, and the pervious concrete layer forms a first stepped bank slope attached to the stepped surface of the river bank slope from bottom to top along the bank protection slope surface.
Furthermore, in the plurality of check net boxes, one third of the width of the check net box at the upper layer is stacked on the check net box at the lower layer and stacked step by step to form a step shape; the adjacent check net boxes are connected through steel wire bundles, and one side of each check net box is fixed with the slope surface of the slope of the first step-type embankment through anchor rods.
Furthermore, a support, a filler and a planting matrix are sequentially filled in each gabion mesh box from bottom to top, wherein the gabion mesh box comprises a stone block layer, a gravel mixing layer and a planting matrix layer; the volume ratio of the stone layer, the gravel and gravel mixing layer and the planting matrix layer is 6: 1: 2;
in the gravel and gravel mixed layer, the particle size of the gravel is 40-80mm, and the gravel in the gravel and gravel mixed layer is boulder with the particle size larger than 100 mm;
the planting matrix layer is formed by piling gravel soil layers and nutrient soil layers in a layered mode, gravel in the planting matrix layer is fine gravel, and the particle size of the gravel is 2-10 mm; the nutrient soil layer comprises 40-60% of sphagnum, 20-40% of wood fiber, 10-30% of perlite, 0.5-1% of secondary raw materials and 0.1-0.5% of fertilizer.
Furthermore, one side of the check net box is tightly attached to the slope of the river bank, and the other side of the check net box is in contact with the water surface; both sides of each check box are provided with a permeation adsorption filtering layer;
the first permeation and adsorption filtering layer is arranged on one side, close to the slope surface of the bank, of the check-up net box, and sequentially comprises an activated carbon adsorption net and a sponge layer from the slope surface of the bank to the check-up net box;
the second infiltration absorption filter layer sets up in the opposite side of check guest cage with the surface of water contact, and the second infiltration absorption filter layer includes baffle and the filter screen of permeating water in proper order from check guest cage to the surface of water direction.
Furthermore, the vegetation net sequentially plants aquatic plants, vegetation plants and shrubs from bottom to top according to the environment where the check net cage in the ecological gabion retaining wall is located;
aquatic plants, ground cover plants and shrubs are planted on the planting substrate layer of the check net cage. Wherein the upper surface of the check box for planting aquatic plants is about 10-20 cm below the water surface, and the upper surface or the whole check box for planting vegetation and shrubs is above the water surface.
Further, the aquatic plant comprises Thalia dealbata, Alismatis rhizoma, and Potentilla chinensis, the ground cover plant comprises rhizoma Acori Calami, flos Iridis, and herba Violae, and the shrub comprises Cassia alata and fructus Gardeniae.
Furthermore, the thickness of the pervious concrete layer is 20-30 mm, and the stable curing effect is achieved.
Furthermore, the check net box is a cuboid and is made of woven double-twisted and hexagonal mesh sheets.
Compared with the prior art, the utility model has the advantages that:
the utility model ensures the water-land connectivity while maintaining the stability and the anti-scouring capability of the river channel side slope, and avoids damaging the river channel ecosystem; pollutants such as organic matters, heavy metals and the like in the water body are effectively removed by a method of filling the gabion, arranging a permeation adsorption filter layer and planting plants; different plant types are designed according to the overwater and underwater Bingge net cages, so that the landscape effect is prevented from being single, the slope is beautified, and the integral form has the characteristics of durability, universality, flexibility and economy.
Drawings
Fig. 1 is a schematic cross-sectional view of an ecological revetment in an embodiment of the present invention.
FIG. 2 is a schematic view of a check-up box structure.
Detailed Description
The utility model is further illustrated by the following figures and examples.
Example (b):
a landscape stepped ecological gabion revetment is shown in figure 1 and comprises a riverway bank slope 1, a permeable concrete layer 2, an ecological gabion retaining wall 3 and a vegetation layer 4;
the river course bank slope 1 is squared into a stepped plane and tamped, the pervious concrete layer 2 is positioned at the joint of the river course bank slope 1 and the ecological gabion retaining wall 3, and a first stepped bank slope which can be attached to the step surface of the river course bank slope is formed along the bank protection slope from bottom to top; the ecological gabion retaining wall 3 comprises a plurality of gabion net cages 31 which are stacked and connected from bottom to top along the slope of the first stepped bank; one side of each check net box 31 is fixed on the slope surface of the slope of the first step-type bank, and the other side forms a slope of the second step-type bank; and the vegetation layer 4 is composed of vegetation nets formed by planting vegetation on the surfaces of the ecological gabion retaining walls 3.
Furthermore, the river bank slope 1 is cut into a step-shaped plane according to the actual bank protection width and tamped, and the pervious concrete layer 2 forms a first step-shaped bank slope attached to the step surface of the river bank slope 1 from bottom to top along the bank protection slope surface.
As shown in fig. 1, in the plurality of check-guest net boxes 31, one third of the width of the check-guest net box 31 on the upper layer is stacked on the check-guest net box 31 on the lower layer, and the check-guest net boxes are stacked step by step to form a step shape; the adjacent check net boxes 31 are connected through a steel wire bundle 315, and one side of the check net box 31 and the slope surface of the slope of the first step-type embankment are fixed through an anchor rod 314.
The inside of each gabion mesh box 31 is sequentially filled with a support, a filler and a planting matrix from bottom to top, namely a stone block layer 311, a gravel and stone mixing layer 312 and a planting matrix layer 313; the volume ratio of the stone layer 311, the gravel mixed layer 312 and the planting matrix layer 313 is 6: 1: 2;
in the gravel and gravel mixed layer 312, the particle size of the gravel is 40-80mm, and the gravel in the gravel and gravel mixed layer 312 is boulder with the particle size larger than 100 mm;
the planting matrix layer 313 is formed by layering and stacking a gravel soil layer and a nutrient soil layer, wherein the gravel in the planting matrix layer 313 is fine gravel with the particle size of 2-10 mm; the components of the nutrient soil layer comprise 40-60% of sphagnum, 20-40% of wood fiber, 10-30% of perlite, 0.5-1% of secondary raw materials and 0.1-0.5% of fertilizer.
As shown in fig. 2, one side of the check net box 31 is tightly attached to the slope of the river bank, and the other side is in contact with the water surface; both sides of each check net box 31 are provided with a permeation adsorption filtering layer;
the first permeation and adsorption filter layer is arranged on one side, close to the slope surface of the bank, of the check net box 31, and sequentially comprises an activated carbon adsorption net 316 and a sponge layer 317 from the slope surface of the bank to the check net box 31;
the second permeation and adsorption filtration layer is arranged on the other side of the check net box 31 contacting with the water surface, and the second permeation and adsorption filtration layer sequentially comprises a permeable baffle 318 and a filter net 319 from the check net box 31 to the water surface.
As shown in fig. 1, the vegetation net sequentially plants aquatic plants 411, ground cover plants 412 and shrubs 413 from bottom to top according to the environment of the gabion net cage 31 in the ecological gabion retaining wall 3; aquatic plants 411, ground cover plants 412 and shrubs 413 are planted on the planting substrate layer 313 of the bingo box 31. Wherein the upper surface of the check box 31 for planting the aquatic plants 411 is about 10-20 cm below the water surface, and the upper surface of the check box for planting the ground cover plants 412 and shrubs 413 or the whole is above the water surface.
In this embodiment, the aquatic plant 411 includes Zalila, Alisma orientale, and Potentilla chinensis, the ground cover plant 412 includes Acorus calamus, Iris japonica, and Viola yedoensis, and the shrub 413 includes Cassia alata and Gardenia jasminoides Ellis.
In this embodiment, the thickness of pervious concrete layer 2 is 20 ~ 30mm, plays the effect of stable solidification.
In the present embodiment, the check net box 31 is a rectangular parallelepiped, the size of the check net box 31 is 2m × 1m, and the check net box 31 is made of a mesh sheet of a woven double-twisted, hexagonal mesh.

Claims (10)

1. The utility model provides a cascaded ecological gabion bank protection of view which characterized in that: the ecological stone cage retaining wall comprises a riverway bank slope (1), a pervious concrete layer (2), an ecological stone cage retaining wall and a vegetation layer;
the river channel bank slope (1) is squared into a stepped plane and tamped, the permeable concrete layer (2) is positioned at the joint of the river channel bank slope (1) and the ecological gabion retaining wall, and a first stepped bank slope which can be attached to the step surface of the river channel bank slope is formed along the bank protection slope from bottom to top; the ecological gabion retaining wall comprises a plurality of gabion net cages (31) which are stacked and connected from bottom to top along a slope of the first stepped bank; one side of each check net box (31) is fixed on the slope surface of the slope of the first step-type embankment, and the other side of each check net box forms a slope of the second step-type embankment; the vegetation layer is composed of vegetation nets formed by planting vegetation on the surfaces of the ecological gabion retaining walls.
2. The stepped ecological gabion revetment for landscape according to claim 1, wherein: the river bank slope (1) is cut into a stepped plane according to the actual bank protection width and tamped, and the pervious concrete layer (2) forms a first stepped bank slope attached to the stepped surface of the river bank slope (1) from bottom to top along the bank protection slope surface.
3. The stepped ecological landscape gabion revetment according to claim 1, wherein: in the plurality of check net boxes (31), one third of the width of the check net box (31) at the upper layer is stacked on the check net box (31) at the lower layer, and the check net boxes are stacked step by step to form a step shape; the adjacent check net boxes (31) are connected through a steel wire bundle (315), and one side of each check net box (31) is fixed with the slope surface of the slope of the first step-type embankment through an anchor rod (314).
4. The stepped ecological gabion revetment for landscape according to claim 1, wherein: the inside of each check net box (31) is sequentially filled with a support, a filler and a planting matrix from bottom to top, namely a stone block layer (311), a gravel mixing layer (312) and a planting matrix layer (313); the volume ratio of the stone layer (311), the gravel-gravel mixed layer (312) and the planting substrate layer (313) is 6: 1: 2.
5. the stepped ecological gabion revetment for landscape according to claim 4, wherein: in the gravel and gravel mixed layer (312), the particle size of the gravel is 40-80mm, and the gravel in the gravel and gravel mixed layer (312) is boulder with the particle size larger than 100 mm;
the planting matrix layer (313) is formed by layering and stacking a gravel soil layer and a nutrition soil layer, wherein the gravel in the planting matrix layer (313) is fine gravel with the particle size of 2-10 mm.
6. The stepped ecological landscape gabion revetment according to claim 1, wherein: one side of the check net box (31) is tightly attached to the slope of the river bank, and the other side of the check net box is contacted with the water surface; both sides of each check net box (31) are provided with a permeation adsorption filter layer;
the first permeation and adsorption filtering layer is arranged on one side, close to the slope surface of the bank, of the check net box (31), and sequentially comprises an activated carbon adsorption net (316) and a sponge layer (317) from the slope surface of the bank to the check net box (31);
the second infiltration and adsorption filter layer is arranged on the other side of the check net box (31) contacted with the water surface, and the second infiltration and adsorption filter layer sequentially comprises a permeable baffle (318) and a filter screen (319) from the check net box (31) to the water surface.
7. The stepped ecological gabion revetment for landscape according to claim 1, wherein: the vegetation net is used for planting aquatic plants (411), ground cover plants (412) and shrubs (413) from bottom to top in sequence according to the environment where the check net cage (31) in the ecological gabion retaining wall is located;
aquatic plants (411), ground cover plants (412) and shrubs (413) are planted on a planting substrate layer (313) of the check-up net cage (31); wherein, the upper surface of the check box net (31) for planting the aquatic plants (411) is about 10-20 cm below the water surface, and the upper surface of the check box net or the whole check box for planting ground cover plants (412) and shrubs (413) is above the water surface.
8. The stepped ecological gabion revetment for landscape according to claim 7, wherein: the aquatic plant (411) comprises Thalictrum aquilegifolium, Alisma orientale and Potentilla chinensis, the ground cover plant (412) comprises calamus, Iris japonica and Viola yedoensis, and the shrub (413) comprises Cassia alata and Gardenia jasminoides Ellis.
9. The stepped ecological gabion revetment for landscape according to claim 1, wherein: the thickness of the pervious concrete layer (2) is 20-30 mm.
10. The stepped ecological gabion revetment according to any one of claims 1 to 9, wherein: the check guest net cage (31) is a cuboid, and the check guest net cage (31) is made of woven mesh sheets with twisted and hexagonal meshes.
CN202122202766.6U 2021-09-10 2021-09-10 Cascaded ecological gabion bank protection of view Active CN216864995U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116240918A (en) * 2023-05-12 2023-06-09 青岛丰拓力行科技服务有限公司 Retaining wall and construction method thereof
CN116986772A (en) * 2023-09-12 2023-11-03 北京泷涛环境科技有限公司 River bank zone restoration system and method for reducing non-point source pollution load

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116240918A (en) * 2023-05-12 2023-06-09 青岛丰拓力行科技服务有限公司 Retaining wall and construction method thereof
CN116986772A (en) * 2023-09-12 2023-11-03 北京泷涛环境科技有限公司 River bank zone restoration system and method for reducing non-point source pollution load

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