CN105544456B - A kind of green curtain construction method and its flotation gear for being adapted to abrupt slope type falling zone - Google Patents
A kind of green curtain construction method and its flotation gear for being adapted to abrupt slope type falling zone Download PDFInfo
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- CN105544456B CN105544456B CN201510975403.2A CN201510975403A CN105544456B CN 105544456 B CN105544456 B CN 105544456B CN 201510975403 A CN201510975403 A CN 201510975403A CN 105544456 B CN105544456 B CN 105544456B
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- flotation gear
- water
- ramping constraints
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- falling zone
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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
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biotechnology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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Abstract
The invention discloses a kind of green curtain construction method and its flotation gear for being adapted to abrupt slope type falling zone, its construction method, which is included in the bank band with larger water-level fluctuation, to be planted the ramping constraints unit of resistance to water logging, fixes flotation gear on ramping constraints unit and the flotation gear on adjacent ramping constraints unit is connected into the step such as latticed using biological rope；Flotation gear includes the unrestrained cage that disappears of the ring monomer and connection of several bunchiness that are connected at one end, is connected between each ring monomer and the unrestrained cage that disappears by biological rope；Green the curtain construction method and flotation gear can flexibly tackle fluctuation in stage, and the falling zone that can be stepped back to water carries out fast greening, and and can reduces the band corrosion function of water wave opposite bank after water rises；Bank band upstream pollution of area source can also be intercepted by forming the ramping constraints of green curtain, so as to cut down pollutant burden in water body.
Description
Technical field
The invention belongs to afforestation project field, and in particular to a kind of green curtain construction method for being adapted to abrupt slope type falling zone and
Its flotation gear.
Background technology
Falling zone refers to the water body seasonal movement such as reservoir, rivers, lake, and the soil of land and water meshingly band periodically floods
And the alternation of wetting and drying area formed.Three Gorges Projects form area maximum (about 349km in the world2), drop maximum (145-175m
Between absolute elevation, vertical range reaches 30m), it is opposite with natural river fluctuation season and there is height landscape heterogeneity (half a year water
Body, half a year land, landform is various) falling zone.As first of ecological protective screen area between water body and land bank, the life of falling zone
State system health is directly connected to reservoir area water quality safety, ecological safety and Regional Economic Sustainable Development.
Natural falling zone is also referred to as flooded area or buffer strip, because long-term natural evolvement acts on, has set up stable ecology
System, its vegetation coverage is high, possesses the pollutant of retention rainwash carrying, protects wild animals and plants, safeguards that ecology is various
Property and the ecosystem service function such as aesthetic.
But the method for operation of reservoir Artificial Regulation causes water level to fluctuate widely, flooding time is long and natural water
The amount of increase rhythm and pace of moving things is on the contrary, falling zone vegetation easily by interference and is destroyed, particularly some gradients are steep, region of soil depletion,
It is not easy to establish phytobiocoenose within one period after water-break, forms exposed falling zone, further result in soil erosion, storehouse
A variety of ecological environment problems such as bank unstability, geological disaster are frequently, pollution of area source aggravates, landscape deteriorates, so as to threaten reservoir water
Matter safety, ecology in reservoir area safety and Sustainable Socioeconomic Development.
At present, for city-building and landscape need, because physical features is relatively slow, soil matrix is excellent for gentle slope type falling zone, its
Greening can use more soft revegetation.And for abrupt slope type falling zone, then with engineering hardening (including cement and
Reinforcement component and special constructing structure) based on measure, even if using revegetation, due to abrupt slope area soil depletion, water
Position amplitude of variation is big, the change characteristic such as frequently, it is desired nonetheless to planting area is excavated, the construction such as heap is built.Such as Application No.
201010102730.4 Chinese patent disclose《A kind of restoration method for damaged ecosystem in steep-slope area in water-level-fluctuating zone of reservoir》, should
Patent be by choose different types of vegetation and it is domatic carry out excavate plantation to form the domatic recovery band of composite plant cover,
So as to reduce rainwash and the soil erosion, improve soil fertility and property, make damaged ecosystem reparation.But just practice at present
From the point of view of, this kind of technology there are problems that it is following some：(1) plant of screening is not suitable for significantly SEA LEVEL VARIATION, the rotten plant of death
Thing causes secondary pollution on the contrary after entering water body；(2) need to carry out regression zone land the sides such as digging up and filling in, plant construction plantation
Formula is transformed, and its essence is a kind of destruction of the opposite bank with the ecosystem.
River channel below dams are as the newborn ecosystem, and ecological environment frailty is sensitive and change is violent, and plant climax is drilled
Change direction to be still unknown, whether this engineered and Plant choosing is really adapted to the falling zone ecosystem, is also worth inquiring into.Though
So restoration of the ecosystem theory of external proposition one kind " leave alone (nonintervention is theoretical) ", but this is theoretical only suitable for mankind's work
Dynamic less area, it is riverine and build, the falling zone that periphery is had a large population, ecological pressure is big to be unsuitable for reservoir area cities and towns.
The content of the invention
In view of this, it is an object of the invention to provide one kind can improve landscape with environmental quality, to falling zone disturb it is small
And application is flexibly adapted to green the curtain construction method and its flotation gear of abrupt slope type falling zone.
To reach above-mentioned purpose, the present invention provides following technical scheme：A kind of green curtain structure for being adapted to abrupt slope type falling zone
Construction method, mainly include the following steps that：
(1) according to the territorial characteristics of reservoir area of Three Gorges, the ramping constraints of resistance to water logging is selected and carry out greenhouse cultivation；
(2) flotation gear is fixed on each ramping constraints unit；
(3) select one section have larger water-level fluctuation bank band, determine at the bank band year peak level, year minimum water
Position, stormy waves intensity and water quality situation, ramping constraints unit planting location is determined according to SEA LEVEL VARIATION situation；
(4) several ramping constraints units for securing flotation gear are planted along Riparian Zone direction interval；
(5) flotation gear on adjacent ramping constraints unit is connected into using biological rope latticed.
Further, the ramping constraints in the step (1) are at least kudzu , Bai le, Cyclea racemosa Oliv, one kind in chinaroot greenbrier.
Further, the ramping constraints unit is planted on water level ceiling for accumulation 1~2 meter according to water-level fluctuation changing rule
Place.
Further, the flotation gear is fixed at more than ramping constraints unit root 1~1.5 meter.
Further, the plantation spacing between the adjacent ramping constraints unit is 25~40 centimetres.
Further, the flotation gear is made up of ring and thin bamboo strips used for weaving.
A kind of flotation gear, including several the unrestrained cages that disappear of independent and the bunchiness that is connected ring monomer and connection at one end,
Connected between each ring monomer and the unrestrained cage that disappears by biological rope, the ring monomer is cylindrical shape, which is provided with self-locking bundle
Band, the unrestrained cage that disappears are made up of thin bamboo strips used for weaving, and its inside is filled with foam block.
Further, the distance between the adjacent ring monomer is 5~8 centimetres, and the length of each ring monomer is 45~55 lis
Rice, diameter are less than 3 centimetres.
Further, the ring monomer is provided with groove.
Further, the self-locking band has two groups.
The beneficial effects of the present invention are：
1. green curtain simulation littoral zone grows marine alga and waved with seawater naturally, its building process does not cause not only any to place
Destroy, moreover it is possible to further promote clear-cutting forestland；
2. the ramping constraints of resistance to water logging only swim on the water surface and are introduced into water body, the problem of being rotted in the absence of death, no
Water body can be polluted, solve falling zone greening problem, there is significant ecological environment benefit；
3. flotation gear is made using nature material, raw material is easy to get, cost is low, environment-friendly, non-secondary pollution, offsets
Area's disturbance is almost nil, for river, river, lake, storehouse, is not easy the rock abrupt slope of growing plant and hardening bank band is suitable
With bank especially larger to water-level fluctuation band best results；
On the whole, green the curtain construction method and flotation gear can flexibly tackle fluctuation in stage, and water can be stepped back disappears
Settle in an area and carry out fast greening, and can reduces the band corrosion function of water wave opposite bank after water rises；The green curtain swum on the water surface can also block
Bank band upstream pollution of area source is cut, so as to cut down pollutant burden in water body.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the structural representation (scheme one) of flotation gear；
Fig. 3 is the structural representation (scheme two) of flotation gear.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As illustrated, the green curtain construction method for being adapted to abrupt slope type falling zone in the present invention, is mainly included the following steps that：
(1) according to the territorial characteristics of reservoir area of Three Gorges, the ramping constraints of resistance to water logging is selected and carry out greenhouse cultivation, resistance to water logging
Ramping constraints can be kudzu , Bai le, Cyclea racemosa Oliv, the one or more in chinaroot greenbrier.
(2) flotation gear 2 is fixed on each ramping constraints unit 1, ramping constraints is covered in disappear and using flotation gear 2
At area.
(3) select one section have larger water-level fluctuation bank band, determine at the bank band year peak level, year minimum water
Position, stormy waves intensity and water quality situation, ramping constraints unit planting location is determined according to SEA LEVEL VARIATION situation, particular location is according to climbing
The principle that rattan plant can cover all falling zone is selected；In the present embodiment, ramping constraints unit becomes according to water-level fluctuation
Law is planted on water level ceiling for accumulation at 1~2 meter.
(4) several ramping constraints units 1 for securing flotation gear 2 are planted along Riparian Zone direction interval, plants spacing
Control between 25~40 centimetres, the spacing vegetative coverage can be avoided caused by spacing is excessive incomplete and because spacing is too small and
Influence plant growth.
(5) flotation gear 2 on adjacent ramping constraints unit is connected into using biological rope 3 latticed, can makes respectively to climb rattan
Mutually pind down between plant unit 1, can preferably adapt to water wave fluctuation, reduce the erosion of its opposite bank band, and can strengthens its interception
Ability of the bank with upstream pollution of area source.
Specifically, the flotation gear 2 is fixed at more than ramping constraints unit root 1~1.5 meter.
As the further improvement of such scheme, the flotation gear 2 is made up of ring and thin bamboo strips used for weaving, and bamboo material is easy to get,
Cheap and anticorrosive anti-aging, buoyancy is big, sound construction, and will not make soil below covering or water body by dry
Disturb.Certainly, other materials can also be used in flotation gear herein, such as currently used styrofoam or air bag
Deng.
In the present invention, the ramping constraints of resistance to water logging are planted at the peak level top of falling zone and form " green curtain " side by side,
Different effects and effect are realized according to the change of the alternating in land and water：When water level is low, " green curtain " is covered in falling zone land, realizes
The fast greening of falling zone；When water level is high, bank band is flooded into waters, and " green curtain " bank floats, and not only forms landscape, can more block
Bank band upstream pollution of area source is cut, reduces the corrosion function of water wave opposite bank band.
A kind of flotation gear, including several the unrestrained cages that disappear of independent and the bunchiness that is connected ring monomer 21 and connection at one end
22, connected between each ring monomer 21 and the unrestrained cage 22 that disappears by biological rope 3, the ring monomer 21 is cylindrical shape, is set thereon
There is self-locking band 23, the unrestrained cage 22 that disappears is made up of thin bamboo strips used for weaving, and its inside is filled with foam block.
Specifically, each ring monomer 21 is fixed on ramping constraints by self-locking band 23, through outgrowth, ramping constraints energy
Enough it is eventually adhering on each ring monomer；Then it is flexible coupling between ring monomer 21 by biological rope 3, so as to realize between ring monomer 21
Mutually pin down, it is preferably adapted to the fluctuation of water wave, reduce the erosion of its opposite bank band；Certainly, self-locking band herein
23 are also changed to thin wire or glass rope.According to actual conditions, filling adsorbate, adsorbate be able to can also be inhaled in ring monomer 21
Pollutant is received, further cuts down pollutant burden in water body.
In the present embodiment, the distance between adjacent ring monomer 21 is 5~8 centimetres, and the length of ring monomer 21 is 45~55
Centimetre, diameter is less than 3 centimetres.Elongated ring monomer 21 both provided climbing support for ramping constraints, is provided for and floats again
Buoyancy；Meanwhile appropriate length can also make the device preferably adapt to water wave fluctuation with distance.
In the present embodiment, the ring monomer 21 is provided with groove 24.Because of the flotation gear 2 on adjacent ramping constraints unit
It need to be connected into biological rope 3 latticed, groove 24 can carry out spacing to the biological rope 3 of binding, prevent its play.
Certainly, two self-locking bands 23, now, nothing on ring monomer 21 can be also set directly on each ring monomer 21
Groove 24 need to be set again.In two self-locking bands 23, one is used to ring monomer 21 being fixed on ramping constraints, another
Each ring monomer 21 can be fixed on biological rope 3 so that the flotation gear 2 on adjacent ramping constraints unit connect into it is latticed.
Self-locking band 23 is light, does not both interfere with water quality, and and can simplifies the connection between flotation gear 2 and ramping constraints and biological rope 3
Process.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (8)
1. a kind of green curtain construction method for being adapted to abrupt slope type falling zone, it is characterised in that mainly include the following steps that：
(1) according to the territorial characteristics of reservoir area of Three Gorges, the ramping constraints of resistance to water logging is selected and carry out greenhouse cultivation；
(2) flotation gear is fixed on each ramping constraints unit；
(3) select one section have larger water-level fluctuation bank band, determine at the bank band year peak level, year lowest water level,
Stormy waves intensity and water quality situation, ramping constraints unit planting location is determined according to SEA LEVEL VARIATION situation；
(4) several ramping constraints units for securing flotation gear are planted along Riparian Zone direction interval；
(5) flotation gear on adjacent ramping constraints unit is connected into using biological rope latticed；
Ramping constraints in the step (1) are at least kudzu , Bai le, Cyclea racemosa Oliv, one kind in chinaroot greenbrier；
The ramping constraints unit is planted on water level ceiling for accumulation at 1~2 meter according to water-level fluctuation changing rule.
2. the green curtain construction method according to claim 1 for being adapted to abrupt slope type falling zone, it is characterised in that：The floating
Device is fixed at more than ramping constraints unit root 1~1.5 meter.
3. the green curtain construction method according to claim 1 for being adapted to abrupt slope type falling zone, it is characterised in that：It is described adjacent
Plantation spacing between ramping constraints unit is 25~40 centimetres.
4. the green curtain construction method according to claim 1 for being adapted to abrupt slope type falling zone, it is characterised in that：The floating
Device is made up of ring and thin bamboo strips used for weaving.
A kind of 5. drift of green curtain construction method for being adapted to abrupt slope type falling zone suitable for described in any one of Claims 1 to 4
Floating device, it is characterised in that：The unrestrained cage that disappears of independent including several and the bunchiness that is connected ring monomer and connection at one end, it is described
Connected between each ring monomer and the unrestrained cage that disappears by biological rope, the ring monomer is cylindrical shape, which is provided with self-locking band, institute
State the unrestrained cage that disappears to be made up of thin bamboo strips used for weaving, its inside is filled with foam block.
6. flotation gear according to claim 5, it is characterised in that：Distance between the adjacent ring monomer is 5~8 lis
Rice, the length of each ring monomer is 45~55 centimetres, and diameter is less than 3 centimetres.
7. flotation gear according to claim 5, it is characterised in that：The ring monomer is provided with groove.
8. flotation gear according to claim 5, it is characterised in that：The self-locking band has two groups.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510975403.2A CN105544456B (en) | 2015-12-22 | 2015-12-22 | A kind of green curtain construction method and its flotation gear for being adapted to abrupt slope type falling zone |
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| CN201510975403.2A CN105544456B (en) | 2015-12-22 | 2015-12-22 | A kind of green curtain construction method and its flotation gear for being adapted to abrupt slope type falling zone |
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| CN105544456A CN105544456A (en) | 2016-05-04 |
| CN105544456B true CN105544456B (en) | 2018-01-19 |
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| CN107988999B (en) * | 2017-11-08 | 2023-08-01 | 三峡大学 | Hydrodynamic self-lifting hydro-fluctuation belt wetland ecological management system and construction method thereof |
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| KR100710859B1 (en) * | 2005-09-22 | 2007-04-25 | 주식회사 아썸 | Constructed wetland system for nonpoint source polluted water treatment |
| CN2913350Y (en) * | 2006-06-12 | 2007-06-20 | 江苏大学 | Purifying device for centralization discharge area-source pollution |
| KR101326581B1 (en) * | 2013-07-31 | 2013-11-08 | 주식회사 현진기업 | A growth box system using aquatic plant |
| CN103613198B (en) * | 2013-12-03 | 2016-03-02 | 中国科学院重庆绿色智能技术研究院 | Be adapted to the shore protection construction process on amphibious chinampa, falling zone |
| CN104195978A (en) * | 2014-09-15 | 2014-12-10 | 中国科学院重庆绿色智能技术研究院 | Ecological restoration and water-soil conservation method for wide gentle-slope hydro-fluctuation belt in large-scale water projects |
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