CN111926772A - Biological filtration slope protection for river ecological restoration and construction method thereof - Google Patents
Biological filtration slope protection for river ecological restoration and construction method thereof Download PDFInfo
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- CN111926772A CN111926772A CN202010810333.6A CN202010810333A CN111926772A CN 111926772 A CN111926772 A CN 111926772A CN 202010810333 A CN202010810333 A CN 202010810333A CN 111926772 A CN111926772 A CN 111926772A
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/10—Pre-cultivated sod or turf; Apparatus therefor
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- 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
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/124—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of metal
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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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
- 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 discloses a biofiltration slope protection for river ecological restoration and a construction method thereof, and provides the following scheme aiming at the problem that the existing river ecological pollution is increasingly serious day by day. According to the invention, by arranging the first protection slope, the slope protection stone can effectively prevent the impact of a river on a river channel dam body and prevent soil on the river channel dam body from being discharged into the river channel, and by arranging the biological filter belt of the submerged plant, the submerged plant can provide more living habitation and hidden places for aquatic animals, and can also increase dissolved oxygen in water, purify water quality and enlarge the effective living space of the aquatic animals.
Description
Technical Field
The invention relates to the technical field of river ecological restoration, in particular to a biofiltration slope protection for river ecological restoration and a construction method thereof.
Background
The river ecological restoration is to restore the biological population and the structure of the damaged water ecological system by various methods by utilizing the ecological system principle, reconstruct a healthy aquatic ecological system, restore and strengthen the main functions of the water ecological system and realize the virtuous circle of overall coordination, self-maintenance and self-succession of the ecological system.
At present, a plurality of means such as physical and chemical methods exist for river regulation, but a large amount of manpower and physics are wasted through the physical method, and secondary pollution is caused by chemical reagent feeding, so that the biological filtration slope protection for river ecological restoration and the construction method thereof can protect and restore a river system, the river system can reach a state closer to nature, the sustainable characteristics are utilized to increase the value of the ecological system and the activity of biological diversity, and the restored river is healthier and more stable than that before restoration.
Disclosure of Invention
Based on the problem that the ecological pollution of the existing river channel is serious day by day, the invention provides a biological filtration slope protection for river channel ecological restoration and a construction method thereof.
The invention provides a biological filtration slope protection for river ecological restoration, which comprises a river dam body and a first protection slope, wherein the first protection slope is arranged at the bottom close to a riverbed of the river dam body, a first protection base is arranged on one side of the first protection slope of the river dam body, a second protection slope is arranged on one side of the first protection base, a second protection base is arranged on one side of the second protection slope, a green plant protection slope is arranged on one side of the second protection base, and a plurality of third protection bases are arranged above the green plant protection slope of the river dam body.
Preferably, first protection slope includes the bank protection stone, one side fixed mounting of bank protection stone has first zinc-plated wire netting, first protection base, second protection base and third protection base are concrete placement.
Preferably, the second protection slope includes first cobblestone, first cobblestone is laid between first protection base and second protection base, and the top fixed mounting of first cobblestone has the second zinc-plated wire netting, the second zinc-plated wire netting is provided with the biological filter belt.
Preferably, the biological filter belt is submerged plants such as tape grass and potamogeton gracilis.
Preferably, the biological filter belt is inserted into a gap between the first cobbles, and the root of the biological filter belt penetrates through the gap between the first cobbles and is in contact with soil on one side of the river dam body.
Preferably, the green protection slope of planting includes turf layer and plumbous silk gabion, install the second cobble in the plumbous silk gabion, and the upside of plumbous silk gabion has laid the dirt bed, the turf layer has been laid to one side of dirt bed.
Preferably, a normal water level and a flood level are provided above the river.
Preferably, the top end of the second protection base is higher than 0.2m of the normal water level.
Preferably, the plurality of third protection bases are irrigated at equal intervals, and vegetation layers are planted between the adjacent third protection bases.
The invention provides a construction method of a biological filtration slope protection for river ecological restoration, which comprises the following steps:
s1, determining the position to be built according to the riverway terrain and the river height to be repaired, and determining the corresponding construction position according to the built position, wherein the biological filtration slope protection and the construction method can be used for riverways in cities and rivers with riverbed sections not larger than 50 m.
S2, closing the upstream gate dam of the river, discharging water in the river channel, arranging a river channel cofferdam, processing and leveling garbage in the river channel dam body, and determining the heights of the first protection slope and the second protection slope according to a normal water level and a flood level.
S3, before the first protection base and the second protection base are poured upside down, two foundation grooves with the width of 0.2m and the height of 0.5m need to be dug on one side of the river channel dam body, then the first protection base and the second protection base of the reinforced concrete are poured in the two foundation grooves, the second protection base needs to be built to be 0.2m higher than the normal water level, and the top elevation of the first protection base is 2m higher than the normal water level.
S4, build the bank protection stone that the width is not less than 0.4m between first protection base and the riverbed, the gap is filled fixedly through the concrete between the adjacent bank protection stone, the top elevation of bank protection stone apart from first protection base is between 10cm, and the top of bank protection stone is not higher than the top height of first protection base.
S5, a paving channel with the depth of 0.25m needs to be excavated among the first protection base and the second protection base, a layer of first cobblestones with the diameter of 3cm to 5cm is paved on the paving channel, a second galvanized wire netting is paved above the first cobblestones, and two ends of the second galvanized wire netting are fixed by covering the sides of the first protection base and the second protection base with concrete.
S6, when the top end of the third protection base closest to the riverbed needs to be higher than the flood level by more than 0.3m, a base groove with the height of 0.3m needs to be excavated firstly when the third protection base is poured, then the third protection base is built by using reinforced concrete, and the height of the third protection base is not lower than 0.35 m.
S7, fixing two ends of the lead wire gabion with one sides of a third protection base and a second protection base respectively, inserting a large number of second cobbles with the diameter ranging from 2cm to 3cm into the lead wire gabion through meshes in the lead wire gabion, paving a 4cm to 6cm mud layer on one side of the lead wire gabion, and paving a turf layer on one side of the mud layer.
Compared with the prior art, the invention has the following beneficial effects:
1. this a biofiltration bank protection for river course ecological remediation, through setting up the first bank protection of preventing, the bank protection stone can effectually prevent the impact of river to the river course dam body, prevent that earth on the river course dam body from discharging into in the river course, through the biofiltration zone that sets up to the benthophyte, the benthophyte can provide more living perching and hidden place for the aquatic animal, can increase the dissolved oxygen in aquatic again, water purification, enlarge aquatic animal's effective living space, and simultaneously, the tender part of benthophyte can supply water again and live the animal ingest, thereby improve whole aquatic ecosystem, the root that the biofiltration zone can be guaranteed in the gap between the first cobblestone carries out nutrient substance's exchange with the outside, guarantee the growth of biofiltration zone.
2. This a biofiltration bank protection for river course ecological remediation is provided with green protection slope of planting, can purify air and environment, and the rainwater of river course dam body upper end is planted through green protection slope and is being flowed into the river course, and protect the slope through green planting and can block the silt in the rainwater, and silt content is high in preventing to cause the river, leads to the river muddy, and the one end that exposes ground through setting up third protection base can effectually intercept rubbish in addition, prevents that rubbish from getting into the river course.
3. This a biofiltration bank protection for river course ecological remediation through the vegetable layer of planting some deep roots between adjacent third protection base, can fasten the earth of river course dam upper end, prevents that the rainwater from assaulting the river in with the earth on the river course dam, has the effect of beautifying the environment moreover.
Drawings
Fig. 1 is a schematic perspective view of a biofiltration slope protection for river ecological restoration according to the present invention;
fig. 2 is a schematic view of a vertical cross-section structure of a biofiltration slope for river ecological restoration according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 of the bio-filtration revetment for river ecological restoration according to the present invention;
fig. 4 is an enlarged schematic structural diagram of a biological filtration revetment for river ecological restoration in fig. 2 at B;
fig. 5 is an enlarged schematic structural diagram of a biological filtration revetment for river ecological restoration in fig. 2 at C;
fig. 6 is a schematic flow chart of the biological filtration slope protection construction method for river ecological restoration provided by the invention.
In the figure: 1 first protection bank protection, 2 first protection base, 3 second protection bank protection, 4 second protection base, 5 green planting protection bank protection, 6 third protection base, 7 river course dam body, 12 normal water level, 13 flood level, 14 bank protection stones, 15 first zinc-plated wire netting, 16 second zinc-plated wire netting, 17 biofiltration area, 18 first cobblestone, 19 second cobblestone, 20 plumbous gabion, 21 loam layer, 22 turf layer.
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 embodiments of the present invention, 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a biofiltration bank protection for river course ecological remediation, including river course dam 7 and first protection slope 1, river course dam 7 is provided with first protection slope 1 in the bottom that is close to the riverbed, and river course dam 7 is provided with first protection base 2 in one side of first protection slope 1, one side of first protection base 2 is provided with second protection slope 3, one side of second protection slope 3 is provided with second protection base 4, one side of second protection base 4 is provided with green protection slope 5 of planting, river course dam 7 is provided with a plurality of third protection bases 6 in green top of planting protection slope 5.
In the invention, a first protection slope 1 comprises a slope protection stone 14, a first galvanized wire netting 15 is fixedly installed on one side of the slope protection stone 14, a first protection base 2, a second protection base 4 and a third protection base 6 are all cast by concrete, a second protection slope 3 comprises a first cobble 18, the first cobble 18 is laid between the first protection base 2 and the second protection base 4, a second galvanized wire netting 16 is fixedly installed above the first cobble 18, the second galvanized wire netting 16 is provided with a biological filter belt 17, the biological filter belt 17 is submerged plants of tape grass and bamboo leaf eyewinkle, the biological filter belt 17 is inserted into a gap between the first cobble 18, the root of the biological filter belt 17 penetrates through the gap between the first cobble 18 and is contacted with one side of a river channel dam body 7, a green plant slope 5 comprises a grass cortex 22 and a lead wire gabion 20, a second cobble 19 is installed in the lead wire gabion 20, and the upper side of the lead wire gabion 20 is paved with a soil layer 21, one side of the soil layer 21 is paved with a turf layer 22, a normal water level 12 and a flood level 13 are arranged above the river channel, the top end of the second protection base 4 is higher than 0.2m of the normal water level 12, a plurality of third protection bases 6 are irrigated at equal intervals, and a vegetable layer is planted between every two adjacent third protection bases 6.
When the ecological floating bed is used, the first protective slope 1 and the slope protection stones 14 are arranged to effectively prevent the river from impacting the river channel dam body 7 and prevent soil on the river channel dam body 7 from being discharged into the river channel, the submerged plants can provide more living habitation and hidden places for aquatic animals through the biological filter belt 17 which is arranged as the submerged plants, dissolved oxygen in water can be increased, water quality is purified, the effective living space of aquatic animals is enlarged, meanwhile, tender parts of the submerged plants can be used for feeding the aquatic animals, so that the whole aquatic ecosystem is improved, a gap between the first cobblestones 18 can ensure that nutrient substances are exchanged between the root of the biological filter belt 17 and the outside, the growth of the biological filter belt 17 is ensured, the green plant protective slope 5 is arranged to purify air and the environment, rainwater at the upper end of the river channel dam body 7 flows into the river channel through the green plant protective slope 7, and silt in the rainwater can be blocked through the green plant protective slope 7, prevent to cause silt content in the river high, lead to the river muddy, the one end through setting up 6 bare surface on third protection base can effectually intercept rubbish moreover, prevents in rubbish gets into the river course.
Example 2
Referring to fig. 1-2, the biofiltration slope protection for river ecological restoration further comprises a plurality of third protection bases 6 which are irrigated at equal intervals, and vegetation layers are planted between the adjacent third protection bases 6.
This bank protection can fasten the earth of river course dam body 7 upper end through the vegetable layer of planting some deep roots between adjacent third protection base 6, prevents that the rainwater from assaulting the river with the earth on the river course dam body 7 in, has the effect of beautifying the environment moreover.
Referring to fig. 6, the construction method of the biological filtration revetment for river ecological restoration comprises the following steps:
s1, determining the position to be built according to the riverway terrain and the river height to be repaired, and determining the corresponding construction position according to the built position, wherein the biological filtration slope protection and the construction method can be used for riverways in cities and rivers with riverbed sections not larger than 50 m.
S2, closing the upstream gate dam of the river, discharging water in the river channel, arranging a river channel cofferdam, processing and leveling garbage in the river channel dam body 7, and determining the heights of the first protection slope 1 and the second protection slope 3 according to the normal water level 12 and the flood level 13.
S3, before the first protection base 2 and the second protection base 4 are poured upside down, two base grooves with the width of 0.2m and the height of 0.5m need to be dug on one side of the river dam body 7, then the first protection base 2 and the second protection base 4 of the reinforced concrete are poured in the two base grooves, the height of the second protection base 4 needs to be higher than the normal water level 12 by 0.2m, the top elevation of the first protection base 2 is higher than the normal water level 12 by 2m,
s4, the width of building between first protection base 2 and the riverbed is not less than 0.4 m' S bank protection stone 14, and the gap is filled fixedly through the concrete between the adjacent bank protection stone 14, and the top elevation of bank protection stone 14 apart from first protection base 2 is between 10cm, and the top of bank protection stone 14 is not higher than the top height of first protection base 2.
S5, a paving channel with the depth of 0.25m needs to be excavated among the first protection base 2 and the second protection base 4, a layer of first cobblestones 18 with the diameter of 3cm to 5cm are paved on the paving channel, a second galvanized iron wire net 16 is paved above the first cobblestones 18, and two ends of the second galvanized iron wire net 16 are covered on the side surfaces of the first protection base 2 and the second protection base 4 through concrete for fixing.
S6, the height of the top end of the third protection base 6 closest to the riverbed needs to be higher than the height of the flood level 13 by more than 0.3m, when the third protection base 6 is poured, a base groove with the height of 0.3m needs to be excavated, then the third protection base 6 is built by using reinforced concrete, and the height of the third protection base 6 is not lower than 0.35 m.
S7, fixing two ends of the lead wire gabion 20 with one sides of a third protection base 6 and a second protection base 4 respectively, inserting a large number of second cobbles 19 with the diameter of 2 cm-3 cm into the lead wire gabion 20 through meshes in the lead wire gabion 20, paving a 4 cm-6 cm argil layer 21 on one side of the lead wire gabion 20, and paving a turf layer 22 on one side of the argil layer 21.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A biofiltration bank protection for river course ecological remediation, including river course dam (7) and first protection bank protection (1), its characterized in that, river course dam (7) are provided with first protection bank protection (1) in the bottom that is close to the riverbed, and river course dam (7) are provided with first protection base (2) in one side of first protection bank protection (1), one side of first protection base (2) is provided with second protection bank protection (3), one side of second protection bank protection (3) is provided with second protection base (4), one side of second protection base (4) is provided with green planting protection bank protection (5), river course dam (7) are provided with a plurality of third protection bases (6) in the top of green planting protection bank protection (5).
2. The biofiltration slope protection for river channel ecological restoration according to claim 1, wherein the first slope protection slope (1) comprises slope protection stones (14), a first galvanized wire (15) is fixedly installed on one side of the slope protection stones (14), and the first protection base (2), the second protection base (4) and the third protection base (6) are all cast by concrete.
3. The biofiltration slope protection for river ecological restoration according to claim 1, wherein the second slope protection slope (3) comprises first cobblestones (18), the first cobblestones (18) are laid between the first protection base (2) and the second protection base (4), a second galvanized wire netting (16) is fixedly installed above the first cobblestones (18), and the second galvanized wire netting (16) is provided with a biofiltration belt (17).
4. The biofiltration slope protection for river ecological restoration according to claim 3, wherein the biofiltration belt (17) is submerged plants such as tape grass and potamogeton bambusoides.
5. The biofiltration revetment for river ecological restoration according to claim 3, wherein the biofiltration band (17) is inserted into the gap between the first cobblestones (18), and the root of the biofiltration band (17) is in earth contact with one side of the river dam (7) through the gap between the first cobblestones (18).
6. The biofiltration revetment for river ecological restoration according to claim 1, wherein the green revetment (5) comprises a turf layer (22) and a lead gabion (20), wherein a second cobble (19) is installed in the lead gabion (20), a layer of dirt (21) is laid on the upper side of the lead gabion (20), and the turf layer (22) is laid on one side of the layer of dirt (21).
7. The biofiltration slope protection for river channel ecological restoration according to claim 1, wherein a normal water level (12) and a flood level (13) are arranged above the river channel.
8. The biofiltration revetment for river course ecological restoration and construction method thereof according to claim 7, wherein the top of the second protective base (4) is higher than 0.2m of the normal water level (12).
9. The biofiltration slope protection for river channel ecological restoration according to claim 8, is characterized in that a plurality of the third protection bases (6) are irrigated at equal intervals, and a vegetation layer is planted between the adjacent third protection bases (6).
10. The construction method of the biological filtration slope protection for river ecological restoration is characterized by comprising the following steps:
s1, determining a position to be built according to the terrain and the height of river water of a riverway to be repaired, and determining a corresponding construction position according to the built position, wherein the biological filtration slope protection and the construction method can be used for riverways in cities and rivers with riverbed sections not larger than 50 m;
s2, closing a river upstream gate dam, discharging water in a river channel, arranging a river channel cofferdam, treating and leveling garbage in the river channel dam body (7), and determining the heights of a first protection slope (1) and a second protection slope (3) according to a normal water level (12) and a flood level (13);
s3, before the first protection base (2) and the second protection base (4) are poured backwards, two foundation grooves with the width of 0.2m and the height of 0.5m need to be dug on one side of the river dam body (7), then the first protection base (2) and the second protection base (4) of the reinforced concrete are poured into the two foundation grooves, the height of the second protection base (4) needs to be 0.2m higher than the normal water level (12), and the height of the top end of the first protection base (2) is 2m higher than the normal water level (12);
s4, constructing slope protection stones (14) with the width not less than 0.4m between the first protection base (2) and the river bed, filling and fixing gaps between the adjacent slope protection stones (14) through concrete, enabling the top of each slope protection stone (14) to be 10cm away from the top of the first protection base (2), and enabling the top of each slope protection stone (14) not to be higher than the top of the first protection base (2);
s5, firstly digging a paving channel with the depth of 0.25m between the first protection base (2) and the second protection base (4), paving a layer of first cobblestones (18) with the diameter of 3cm to 5cm on the paving channel, paving a second galvanized iron wire net (16) above the first cobblestones (18), and covering two ends of the second galvanized iron wire net (16) on the side surfaces of the first protection base (2) and the second protection base (4) through concrete for fixing;
s6, when the top end of the third protection base (6) nearest to the riverbed needs to be higher than the flood level (13) by more than 0.3m, when the third protection base (6) is poured, a base groove with the height of 0.3m needs to be excavated, then the third protection base (6) is built by using reinforced concrete, and the height of the third protection base (6) is not lower than 0.35 m;
s7, fixing two ends of the lead wire gabion (20) with one sides of a third protection base (6) and a second protection base (4) respectively, inserting a large number of second cobbles (19) with the diameter of 2 cm-3 cm into the lead wire gabion (20) through meshes in the lead wire gabion (20), paving a 4 cm-6 cm argil layer (21) on one side of the lead wire gabion (20), and paving a turf layer (22) on one side of the argil layer (21).
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| CN202010810333.6A CN111926772A (en) | 2020-08-13 | 2020-08-13 | Biological filtration slope protection for river ecological restoration and construction method thereof |
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| CN202010810333.6A CN111926772A (en) | 2020-08-13 | 2020-08-13 | Biological filtration slope protection for river ecological restoration and construction method thereof |
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2020
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| 鲁敏等: "《园林绿化工程施工与养护》", 30 November 2013, 中国矿业大学出版社 * |
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