CN114182689A - Assembled ecological revetment for purifying urban inland river water body - Google Patents
Assembled ecological revetment for purifying urban inland river water body Download PDFInfo
- Publication number
- CN114182689A CN114182689A CN202111512665.7A CN202111512665A CN114182689A CN 114182689 A CN114182689 A CN 114182689A CN 202111512665 A CN202111512665 A CN 202111512665A CN 114182689 A CN114182689 A CN 114182689A
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- China
- Prior art keywords
- fixing
- layer
- plant
- net
- gabion
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/73—Artificial fishing banks or reefs assembled of components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides an assembled ecological revetment for purifying urban inland river water, which comprises a gabion net, a plant fixing layer, fixing piles and a plant culture medium, wherein the gabion net is arranged on the plant fixing layer; the gabion net is a box cage woven or welded by high-strength steel wires and divided into two layers with upper and lower meshes, a plant culture substrate and a plant fixing layer are filled in the upper layer, and broken stones are filled in the lower layer. The slope body is designed into a two-layer step type, the height of the slope body is matched with the normal water level of the urban inland river, and an upper layer and a lower layer of gabion net cage combination are arranged in a step type. A ring buckle type fixing structure is arranged outside the gabion net cage monomer and used for connecting and fixing adjacent or upper and lower net cages, and a fixing pile marked with the scale of the soil penetration depth range penetrates through the fixing structure. The invention has the advantages that the integral stability of the structure is good, the resistance of the river bank to hydraulic scouring can be enhanced, the convenience of the construction method is improved by the assembled structure, the survival rate of aquatic plants and the ecological effect of ecological bank protection are improved, and the effects of purifying water bodies, fixing soil and preserving moisture can be achieved.
Description
Technical Field
The invention belongs to the technical field of river bank protection engineering, and particularly relates to an assembled ecological bank protection for purifying urban inland river water and a construction method.
Background
Cage net shore protection is as a neotype shore protection form, and convenient for obtaining materials and stable physicochemical property have, and is less to the environmental impact, has been by extensive application in engineering such as municipal administration, water conservancy, gardens for the scour protection of rivers, dykes and dams and sea pond. At present, the artificial hard riverbed structure of urban rivers accelerates the river water flow speed, so that the problems of water and soil loss, ecological damage, flood flooding and the like caused by water flow scouring of river banks at river sections in a natural state further cause the conditions of death of a large amount of native plants, water pollution and the like. In dealing with the above problems, the application of ecological bank protection is one of the most suitable solutions, which can permanently protect the river bank and the river bed. The traditional cage net revetment is a grid-type product made of iron wires or polymer wires and used for fixing filling stones in place, and hard stones are used as the filling materials, so that the traditional cage net revetment has the characteristics of difficulty in deformation, strong scouring resistance, stable structure and the like, and can fully reduce erosion of water flow with over-high flow speed to a river bank. The combination of the aquatic plants and the artificial revetment not only meets the river bank protection and ecological benefits, but also has a stable and suitable living environment for the aquatic plants, which becomes a big problem of the ecological revetment.
The traditional cage net revetment is not beneficial to the growth of vegetation due to poor water storage capacity, so that the traditional cage net revetment is not beneficial to the greening of the revetment. The bank protection needs to be selected by considering the protection and ecological effects of the river bank, so that the requirements on structural strength and stability are met, the anti-scouring capability of the revetment is enhanced, and the greening of the bank protection is realized. The existing cage net bank protection technology usually adopts a mode of binding the cage net cage and an aquatic plant culture medium, and a method of directly planting aquatic plants on the planting culture medium is adopted to ensure the river bank protection and ecological effect. However, the mode directly exposes the aquatic plants and the culture medium to the impact of water flow, thereby greatly reducing the survival rate of the aquatic plants and the stability of the culture medium in the water flow. Obviously, the prior art considers less suitable living environment of aquatic plant and the problem such as box with a net structure stability.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled ecological revetment for purifying urban inland river water, and aims to solve the problem of stability of the existing cage net cage structure, plant culture medium, aquatic plant growth environment and the like under water flow scouring in the prior art.
In order to realize the aim of the above complaint, the invention provides the following technical scheme: the assembled ecological revetment for purifying urban inland river water comprises a slope body, wherein two layers of steps are arranged on the slope body, gabion net boxes are arranged on the steps, meshes of the gabion net boxes are divided into two layers with different sizes, broken stones are filled in the lower layer of the gabion net boxes, culture mediums are filled in the upper layer of the gabion net boxes, and the middle of the gabion net boxes is separated by reverse filter geotextile. A planting and fixing layer is arranged on the culture medium, and aquatic plants are planted on the fixing layer. The outer side of the box body is provided with a ring buckle which can be inserted into the fixing pile, and the two layers of net box bodies are fixed on the slope body through the fixing pile.
Furthermore, the steel wire of the gabion mesh box body is a high-strength corrosion-resistant steel wire or a high-strength steel wire coated with PVC, and the height of the steel wire is matched with that of a slope body soil body.
In a preferred scheme, the plant fixing layer is made of one or more of bamboo, wood and polystyrene foam plastics and is provided with conical planting holes.
In a preferred scheme, the aquatic plant culture medium comprises fillers such as vermiculite, slag, zeolite and soil, and is surrounded by geotextile.
In the preferred scheme, the edge corners of the gabion net cage are provided with ring buckles, so that adjacent gabion nets can be bound by high-strength materials conveniently, and fixing piles can be installed and fixed for an assembled combined revetment structure.
In a preferred scheme, the aquatic plants are planted with hygrophytes in the low-water-level gabion net and plants with drought and waterlogging tolerance in the high-water-level gabion net.
In a preferable scheme, the fixing pile is made of one of wood and stainless steel, and the depth of the tail end of the fixing pile in a soil body is not less than 85cm after the fixing pile is an enlarged cone and is inserted into a foundation or penetrates through a lower-layer gabion mesh.
The ecological bank protection of the layered gabion net has the advantages that the structural overall stability is good, the resistance of a river bank to hydraulic scouring can be enhanced, meanwhile, good living substrates and environments are provided for aquatic plants, the survival rate of the aquatic plants and the ecological effect of the ecological bank protection are improved, the effects of water body purification, environment greening, air purification, soil fixation and moisture preservation can be achieved, living spaces can be provided for benthonic organisms, and the biological diversity of a river channel is increased.
Drawings
FIG. 1 is a schematic side sectional view of an assembled ecological revetment for urban inland river water purification according to the present invention;
FIG. 2 is a top view of an assembled ecological revetment for urban inland river water purification according to the present invention;
FIG. 3 is a schematic diagram of a cage net connecting device of an assembled ecological bank protection for purifying urban inland river water;
FIG. 4 is a schematic connecting diagram of a fixing pile of an assembled ecological bank protection for purifying urban inland river water;
in the figure: 1. slope body, planting holes, cage net connecting ring buckles, aquatic plants, fixing piles, culture medium, gabion net cage, cone wedges, inverted filter geotextile, plant fixing layers, drought and waterlogging resistant plants, fixing grooves, stainless steel fixing rings, fixing holes, cage net connecting ring buckles, water plants, fixing piles, culture medium, stone cage net cages, cone wedges, cone geotextile, fixing grooves and stainless steel fixing rings
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the attached drawing 1, the assembled ecological bank protection for water purification comprises a slope body 1, wherein the slope body 1 is provided with two stepped layers, the steps are provided with gabion net cages 7 which are divided into an upper layer and a lower layer of different mesh layers, the middle of the gabion net cages is separated by the gabion net combined reverse filter geotextile 9, and the water seepage and permeation smoothness is ensured while the loss of a culture mechanism is prevented. The lower layer is filled with the lump stones to play a role in stabilizing the river bank and providing a benthonic organism living space, the height of the lower layer cage net is controlled within the range of 10cm-25cm higher than the edge height of the slope body, and the lower part of the upper layer of the cage net is filled with the aquatic plant culture medium 6, so that the water storage capacity of the culture medium is improved, the plant growth is facilitated, and the ecological effect is played. The upper portion sets up the plant fixed bed 10 that has the toper mouth of planting for aquatic plant 4 and drought and waterlogging tolerance plant 11 when with the abundant contact of cultivateing the matrix, guarantee aquatic plant root system normal growth, thereby reach better water purification effect, and make and cultivate matrix and aquatic plant and be in cage inside and protect, improve its aquatic plant living space's scour resistance ability, aquatic plant 4 plants the hygrophyte in low water level gabion net, plants drought and waterlogging tolerance plant in high water level gabion net. Rainwater flows through the upper layer net cage for purification, enters the lower layer net cage for detention and purification again, and simultaneously the lower layer net cage plays a role in improving and purifying the water body in the river. As shown in the attached drawing 3, the outer side of the gabion net cage 7 is provided with fixing grooves 12 which are staggered up and down, movable stainless steel fixing rings 13 are arranged on the fixing grooves 12 and are overlapped to form a lantern ring device, and the gabion net cage is used for inserting fixing piles 5 and fixing the fixing piles in a soil layer, so that the adjustment of the integral revetment length of the net cage and the convenience of assembly type assembly construction are facilitated. The front end of the fixing pile 5 is in a cone shape, so that the stability after the fixing pile is buried is improved, the depth of the fixing pile inserted into soil is not lower than 85cm, and the fixing device is marked with a suitable range mark of the insertion depth. Obviously, the layered gabion mesh ecological river bank protection has the advantages of good structural overall stability and convenience in construction, can ensure hydraulic erosion on the river bank, and plays a good protection role on the river bank; the net cage structure ensures the stable living environment of the plants, and is beneficial to improving the survival rate and the purification effect of river water and surface runoff. The assembled net cage combination is convenient to adjust according to the length of the protective river bank, and the construction efficiency and the net cage structure adjustment are improved. The surface of the net cage is fully covered by the vegetation, the landscape effect is good, and certain ecological benefit is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An assembled ecological revetment for purifying urban inland river water comprises a revetment and a plant configuration mode for purifying water, and is characterized by further comprising a gabion net, a plant fixing layer, fixing piles and a plant culture medium; the gabion net is a box cage woven or welded by high-strength steel wires and divided into two layers with upper and lower meshes and larger lower parts, the upper layer is filled with a plant culture medium and a plant fixing layer, the lower layer is filled with blocky stones, and the middle part is separated by the gabion net and geotextile; the slope body is designed into a two-layer step type, the height of the slope body is matched with the normal water level of an urban inland river, and an upper layer and a lower layer of gabion net cage combination are arranged in a step type; a ring buckle type fixing structure is arranged outside the gabion net cage monomer and used for connecting and fixing adjacent or upper and lower net cages, and a fixing pile marked with the scale of the soil penetration depth range penetrates through the fixing structure to connect the upper and lower net cages of the step and the adjacent net cages and is inserted into the foundation.
2. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the height of the lower layer of the net cage of the slope ladder upper layer net cage is 10cm-25cm higher than the edge of the slope.
3. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the plant fixing layer is made of one or more of wood, stone or foamed plastic, a planting opening of the plant fixing layer is in a cone shape, and broken stones are filled in the plant fixing layer; the plant fixing layer is arranged in the upper layer of the gabion net cage, and the length-width ratio of the plant fixing layer is matched with the inner size of the gabion.
4. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the plant culture medium is enclosed by the reverse-filtering geotextile and is bound and fixed in the net cage by high-strength steel wires.
5. Plant culture substrate according to claim 1 or 4, comprising vermiculite, slag, zeolite, fillers of soil.
6. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the ring buckle type fixing devices are arranged outside the gabion net cage, the ring buckle type fixing devices are arranged at the upper, middle and lower positions outside the gabion net cage, three pairs of ring buckle combinations are formed by adjacent gabion net cages, and the fixing piles penetrate through the ring sleeves to be inserted into the foundation to fix the adjacent or upper and lower layer net cages.
7. A loop fastening device according to claim 1 or claim 6, located at a gabion mesh corner, the single device comprising two parts, a fastening device and a stainless steel PVC-coated ring.
8. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the fixing pile is made of one or more of wood and stainless steel coated with PVC, the surface of the fixing pile is engraved with soil penetration depth scales, the shape of the lower end of the fixing pile is a cone, and the depth of the fixing pile inserted into a foundation is not less than 85 cm.
9. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: and planting a hygrophyte combination on the lower cage net, and planting a drought-tolerant and waterlogging-tolerant plant combination on the upper cage net.
10. The fabricated ecological revetment for urban inland river water purification according to claim 1, wherein: the upper layer height of the gabion mesh is smaller than the lower layer height of the gabion mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512665.7A CN114182689A (en) | 2021-12-12 | 2021-12-12 | Assembled ecological revetment for purifying urban inland river water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111512665.7A CN114182689A (en) | 2021-12-12 | 2021-12-12 | Assembled ecological revetment for purifying urban inland river water body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114182689A true CN114182689A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111512665.7A Pending CN114182689A (en) | 2021-12-12 | 2021-12-12 | Assembled ecological revetment for purifying urban inland river water body |
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| CN (1) | CN114182689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262476A (en) * | 2022-06-14 | 2022-11-01 | 上海勘测设计研究院有限公司 | Ecological gabion revetment and ecological greening method applicable to same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2050331A1 (en) * | 2007-10-17 | 2009-04-22 | Helix Pflanzen GmbH | Vegetated gabion |
| CN104790346A (en) * | 2015-05-08 | 2015-07-22 | 陈洪凯 | Reservoir hydro-fluctuation belt bank slope protection pine pile-gabion box combined plant-growing retaining wall |
| CN206956660U (en) * | 2017-06-30 | 2018-02-02 | 河北杰路交通设施有限公司 | A kind of lattice guest gabion box ecological revetment |
| CN208533453U (en) * | 2018-06-06 | 2019-02-22 | 洛阳市规划建筑设计研究院有限公司 | A kind of gabion type landscape revetment conducive to urban water-body reparation |
| CN210945263U (en) * | 2019-11-05 | 2020-07-07 | 汕头市弘东环境治理有限公司 | Polluted riverbed repairing system |
| CN212896143U (en) * | 2020-06-12 | 2021-04-06 | 棕榈设计有限公司 | Vertical ecological bank protection |
| CN214783600U (en) * | 2020-08-28 | 2021-11-19 | 江苏禾旺环境建设有限公司 | Compound ecological revetment |
-
2021
- 2021-12-12 CN CN202111512665.7A patent/CN114182689A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2050331A1 (en) * | 2007-10-17 | 2009-04-22 | Helix Pflanzen GmbH | Vegetated gabion |
| CN104790346A (en) * | 2015-05-08 | 2015-07-22 | 陈洪凯 | Reservoir hydro-fluctuation belt bank slope protection pine pile-gabion box combined plant-growing retaining wall |
| CN206956660U (en) * | 2017-06-30 | 2018-02-02 | 河北杰路交通设施有限公司 | A kind of lattice guest gabion box ecological revetment |
| CN208533453U (en) * | 2018-06-06 | 2019-02-22 | 洛阳市规划建筑设计研究院有限公司 | A kind of gabion type landscape revetment conducive to urban water-body reparation |
| CN210945263U (en) * | 2019-11-05 | 2020-07-07 | 汕头市弘东环境治理有限公司 | Polluted riverbed repairing system |
| CN212896143U (en) * | 2020-06-12 | 2021-04-06 | 棕榈设计有限公司 | Vertical ecological bank protection |
| CN214783600U (en) * | 2020-08-28 | 2021-11-19 | 江苏禾旺环境建设有限公司 | Compound ecological revetment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262476A (en) * | 2022-06-14 | 2022-11-01 | 上海勘测设计研究院有限公司 | Ecological gabion revetment and ecological greening method applicable to same |
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