CN102888826A - Hydro-fluctuation belt side slope ecological management method based on ecological bag - Google Patents
Hydro-fluctuation belt side slope ecological management method based on ecological bag Download PDFInfo
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Abstract
The invention relates to a hydro-fluctuation belt side slope ecological management method based on an ecological bag. The hydro-fluctuation belt side slope ecological management method comprises the following steps of: dividing a hydro-fluctuation belt, namely taking an upper limit of a water level of a drought period as a lower boundary of the hydro-fluctuation belt; taking the highest water level line of a flood period as an upper boundary of the hydro-fluctuation belt as the hydro-fluctuation belt; and carrying out ecological repairing: treating a foundation slope surface; paving the ecological bag from the lower boundary of the hydro-fluctuation belt in a ladder-shaped layer staggered manner; and planting amphibious plants or/and hygrophytes on the ecological bag. The technical effects of the hydro-fluctuation belt side slope ecological management method are obvious, namely plant roots penetrate through the ecological bag to form an organic whole body with a slope body, so that the slope body is relatively firm and water and soil loss can be effectively prevented; and no matter whether the amphibious plants are drowned or naked, the afforesting effect and the ecological effect can be guaranteed.
Description
Technical field
The present invention relates to the environmental improvement method, specifically a kind of falling zone ecological treatment of slope method based on ecology bag is a kind of flexible ecological SLOPE ENGINEERING SYSTEM.
Background technology
Traditional water conservancy side slope protection scheme mainly is conceived to the requirement of the functions such as flood passage, shipping, to the shore protection in river course and lake, safety and the durability that slope protection works is mainly considered engineering structures, therefore governance model adopts linear pattern river course and river course channelization more, adopt the hardened materials such as stone-laying, concrete or steel concrete, seldom consider the ecological functions in river course.
The water conservancy side slope of above-mentioned canalization and sclerosis has been blocked exchanging of river and underground water, the alkalization of soils of side slope back simultaneously causes hardening, become dead soil, lose nutrient, plant loses growing environment on the bank, lose the growth procreation environment of microbiologic population, aquatic animal disappears even becomes extinct because losing ecological chain, and aquatic organism group disappears, and the ability of the river self-purification disappears, add the acting in conjunction of domestic sewage in rural areas by using and municipal sewage, make river and lake enter the vicious circle of black stench.
The water conservancy side slope can be divided under water naturally, three the slope sections in falling zone, shore protection, because under water, falling zone, three slope sections of shore protection have different ecological functions, so the restoration of the ecosystem technical problem to be solved of three slope sections is not quite similar: the initial stage after the falling zone forms, great variety has occured in the land ecological environment before flooding, terriecosystems especially phytobiocoenose etc., plant is drowned, the Gu Po effect of root system of plant disappears, and has brought potential safety hazard.When the falling zone exposure becomes the land, the falling zone that does not have a vegetation face heavy rain, heavy rain frequently during season usually by rain drop erosion, cause serious soil erosion, even cause the landslide.So the falling zone bank protection solves the technical problems such as edge slope structure safety and flood control except needs, also should solve falling zone institute Plants and flood or pervasive problem when exposed, so it also should solve following technical problem underlying:
The ecological revetment material that adopts have anti-immersion and the function such as corrosion-resistant when flooding, should have the functions such as uvioresistant when exposed;
The ecological revetment material that adopts can ensure the amphibious plant self-sow, can guarantee that the four seasons are all green;
Has the partial function of underwater slope protection during waterflooding and to the collaborative Governance Ability of water body.
Summary of the invention
The purpose of this invention is to provide a kind of falling zone ecological treatment of slope method based on ecology bag, by will be to the falling zone from out administer specially dividing the water conservancy side slope, guaranteeing the edge slope structure safety in lake, river, ensureing outside the flood passage demand, take landscape diversity and ecological diversity as management goal, also taken into account simultaneously the collaborative Governance Ability of lakeside slope, river to water body.
The technical scheme that adopts for achieving the above object is such, and namely a kind of falling zone ecological treatment of slope method based on ecology bag comprises and divides the falling zone, and it is carried out the restoration of the ecosystem of following steps, comprising:
1) with the upper limit of the dry season water level lower bound as the falling zone, with the maximum water level in the flood season upper bound as the falling zone;
2) ground slope surface treatment
3) begin stepped lamination dislocation by the falling zone lower bound and pave ecology bag
4) plant amphibious plant or/and hygrophyte at ecology bag.
Step 2) described ground slope surface treatment is the softer place of ground for bearing capacity＜150kpa, use the compacting of C20 concrete casting ground or rubble, the compacting degree is more than 90%, remove domatic foreign material, on the top, slope interim catchwater is set after the domatic finishing, ponding compiles the sloping body of impact when preventing rainfall.
The described stepped lamination dislocation of step 3) is paved the method for ecology bag for build in advance the C20 concrete foundation by design size at falling zone lower bound place, afterwards, by lower bound in layer the stepped bag of paving upwards, after having spread one deck, with ramming iron bag and place, bag slit backfill are tamped, then pave lower one deck, half bag wide of the ecology bag dislocation of adjacent layer position.
Further, step 3) is set up at lower bound place, described falling zone has platform or/and barricade.
The plant that step 4) is planted at ecology bag is amphibious plant that can normal growth, the plantation Hemarthria compressa is selected in zone, whole falling zone, select plantation vetiver, calamus and reed at the top, falling zone, planting patterns is selected and is sowed grass seeds by duster or smear and broadcast, in the selection of time dry season of plantation, keep at least 40 day time apart from the wet season.
Among the present invention, ecology bag is the important ingredient of flexible ecological SLOPE ENGINEERING SYSTEM, ecology bag has permeable soil impervious filtering function, can prevent that filler (soil and nutritional labeling mixture) runs off, can realize again the normal interchange of moisture in soil, the required soil of plant growth and moisture have obtained effective maintenance, make plant pass the bag free growth.Along with the growth of plant, root system of plant has penetrated ecology bag, has become organic whole with cyphosomatic, and the time is longer, and side slope is all the more firm.
The sack that the two-sided flatiron needle punched non-woven fabrics that ecology bag is made for raw material by polypropylene (PP) or polyester fiber (PET) processes.Have uvioresistant, anti-aging, nontoxic, not combustion-supporting, the characteristics that breach does not extend have realized that really zero pollutes.
Ecology bag has excellent physics and chemical property, the material of this formulated can be resisted ultraviolet erosion, be not subjected to the impact of chemical substance in the soil, qualitative change or rotten can not occur, permanent non-degradable also can be resisted the erosion of insect pest, anti-aging, nontoxic, antiacid alkali salt corrodes and microorganism is decomposed; Have following environment universality advantage as latest model side slope construction material:
A. moisture resistant
The ecology bag raw material do not absorb moisture, can not destroy sack when moisture occurs, and sack can not be out of shape also, are insoluble to contaminated liquid (EPA Method 9090 U.S. environment offices).
B. resist chemical (PH)
The bright ecology bag of broad research test chart has very strong resistance to certain density soda acid chemical substance, can be used for most solids and severe contamination place.
C. antibiont degraded and animal are destroyed
Ecology bag adopts the special formulation material, does not support, does not absorb, do not help fungus grown, without putrefaction, not mouldy, never degenerate.Ecology bag can by insect and related animal digestion, can not become the food of gnawing tooth animal (mouse), termite, moth, beetle, silverfish moth etc.
D. high temperature resistance low temperature
Ecology bag can bear 150 celsius temperatures and not melt, and can bear the lowest temperature-40 degree centigrade.
E. uvioresistant (UV)
Ecology bag contains carbon ink and other anti-UV compositions, is the function that aforementioned ecology bag A and ecology bag B will increase.
The present invention adopts the ecological restoring method to the falling zone bank protection that following significant effect is arranged:
Root system of plant penetrates ecology bag, becomes organic whole with cyphosomatic, makes sloping body more firm, can the effectively preventing soil erosion;
No matter amphibious plant all can generate when waterflooding or Naked dew, guarantees afforestation effect and ecological effect;
Water plant absorbs inorganic nitrogen, phosphorus and changes into the self structure component together, by the periodical reaping of plant fixing N, P is with water-outlet body;
By water logging the time, its function is similar to submerged plant.
It is better that the present invention is applied to syllogic bank protection improvement method effect.
Description of drawings
Accompanying drawing 1 is the ecological restoring method schematic diagram of falling zone of the present invention bank protection;
Among the figure: B-1 is top ecology bag (sack); B-2 is ecology bag; B-3 is for connecting button; B-4 is the PVC gutter; B-5 is hardcore bed; B-7 is planting soil.
Accompanying drawing 2 is the position view of the present invention in syllogic bank protection improvement method;
Accompanying drawing 3 is for adopting the block diagram of three norms disposal ability among the concentric lake embodiment.
The specific embodiment
Below the present invention will be described in detail by accompanying drawing and the non-limiting embodiment that provides thereof.
The falling zone location positioning
The falling zone claims again the falling zone, refers to that seasonal fluctuation in stage makes the reservoir area be submerged soil periodicity exposure in the zone of the water surface.With the upper limit of the dry season water level lower bound as the falling zone, with the maximum water level in the flood season upper bound as the falling zone.Determine to check working drawing and carry out the lime mark or the backguy mark behind the position.
The ground slope surface treatment
To carry out ground (domatic) before ecology bag is paved and process, for the softer place of ground (bearing capacity＜150kpa), can use C20 concrete casting ground or rubble compacting (the compacting degree is more than 90%) basis.Remove domatic bark, tree root, rubbish, foreign material, turquoise, mantle rock, accomplish domatic clean and tidy.Can on the top, slope interim catchwater be set after domatic finishing, ponding compiles the sloping body of impact when preventing rainfall.
Planting soil is prepared
The scene has the planting soil of suitable plant growth then can be directly used in pack, when not being fit to planting soil, then mix for pack with the 3:7 ratio with sand and clay, the control wettability 10%/-tightly landing scatters is advisable 20%(to hold), mud acid alkalescence is joined in adjusting, requires pH value and local P in soil H value to depart from less than 0.5.
Fill ecology bag
Ready soil is packed into ecology bag, carries out drawing three of the sub-capacity of every pack/a period of time with rammed earth (step on reality more than three times, it is full to reach filling) at every turn.Be filled to apart from sack 15cm-20cm(beautiful faery ecology bag sack label position) be considered as bag completely, then be close to native face locking sack with the tying band.
Pack requires:
Full: bag is filled full, with the outer label of bag for filling native standard;
Real: pack is filled earth material and will be filled closely knitly, whenever during pack fills 1/3rd will to carry out pier real;
Tightly: tying will be strained, not loose tying when guaranteeing to carry at the scene and assemble.Sack length 5-7cm behind the tying.
After packed the getting well, it is safe to place, and during carrying, liftoff carrying or rolling, does not drag on ground, prevents from galling and causes spillage of material.The bag that installs assembled the same day as far as possible, was sure not to drench with rain for a long time and be exposed to the sun installing the bag that does not assemble, and should hide in advance such as rainy weather, assembled in order to go into operation at any time behind the rain.
Ecology bag is paved in stepped lamination dislocation
Paving ecology bag needs by design bench toe to be set, and backguy is as the sloping reference line that rises of paving, then place to connect and be buckled in two bags of the first seaming positions, then arrange the bag of paving of (one deck) along the line one that draws, spread row's (one deck) available ramming iron with the backfill compacting of bag and bag slit place, afterwards smooth bag and guarantee the bag edge and institute's backguy coincides.Will in time finishing of drainage system arranged on the plan.
Ecology bag paves whether meet construction requirement
After engineering construction was finished, overall leveling was attractive in appearance, paved straightly, and the fissure of displacement is even; The basis is strong without sedimentation; There is discharge structure need meet peripheral four-way without the ponding requirement in the design drawing.
Detection method: observe control design drawing and detection technique processing scheme.
The flexible side slope support process construction Permission deviation item of ecology bag and detection method table
Finishing is processed
According to detecting the result who checks and accepts, the engineering variation establishment finishing processing scheme for occurring until reach the design and construction requirement, meets examination criteria, then enters next flow process.
Greening is prepared
After structure construction is finished, the plant that the installation designing requirement selects water-bed lake, falling zone bank protection, river bank bank protection part to select.And properly store according to the related request of different saplings, grass seeds, the seeds of flowering plants.In addition, plant need to be with specific process (needing to plant with container in advance such as Activities of Some Plants in the water-bed bank protection) plantation for having, the construction equipment that need to be ready to be correlated with.
The bank protection section greening vegetation of falling zone
The main bearing structure of ecology bag safety, flood control ensure, anti-long-time soak and drought-resistant, satisfy the functional requirement such as amphibious plant growth, product self has following main feature:
Erosion resistibility is high: 〉=6m/s
Drought resistance is strong: water conservation 〉=45 day
Ability and ultraviolet resistance is strong
Anti-immersion: 〉=80 years
Ecology bag is beneficial to the amphibious plant growth
Anti-chemical thing and microbiologic(al) corrosion
Strong alkali-acid resistance: ph=4～11
Has the rat-and-ant proof function of nibbling
The falling zone by intermittently or nonvolatil water body cover, not only can cultivate bio-diversity but also have Ecological Fragility.The variation of water level does not have certain rule, must break former balance of nature, thereby can cause entropy to increase, and needs the input matter energy, produces the balance that negative entropy flow is kept system.
The expert team of beautiful faery company is in the process of research lake, river ecology, found a kind of preferably solution, can make lakeside slope, river ensure flood passage safety, make the amphibious plant can normal growth, guarantee that the falling zone bank protection four seasons are all green, and make the falling zone bank protection when waterflooding, have the partial function of underwater slope protection.
The plant apolegamy
When carrying out the option of species of vegetation, according to conditions such as the weather of locality and geology, the apolegamy of suggestion plant is as shown in the table:
Falling zone plant apolegamy:
A), Hemarthria compressa
Hemarthria compressa happiness warm and moist weather, also can keep dark green winter in the subtropical zone.Water-fastly flood, low temperature resistant, high temperature resistant, acid resistance soil, PH are 4 ~ 8 also can survive.
B), vetiver
Vetiver has another name called cus-cus; As its name suggests, Yin Qigen is very fragrant, and therefore named vetiver is the herbaceous plant that a kind of grass family is grown thickly for many years.
Vetiver does not have rhizome or crawl volt stem, so can not become farmland weed.Vetiver also seldom infects or the insect pest that spreads disease, majority can live decades even centuries.Strong adaptability, growth and breeding are fast, well developed root system, resistance, has good penetrability, tensile strength, drought-enduring, impoverishment tolerant, strong alkali-acid resistance, heavy metal and arid, accumulated water, the condition such as barren, the vetiver root system buries deeply in addition, has good reinforcement firmly to act on to sloping body.
C), grass-leaved sweetflag
Grass-leaved sweetflag, perennial herb.Like dark and damp environment, under the larger tree of Yu Midu, also can grow, but not anti-sunlight is exposed to the sun, otherwise blade can flavescence.Not drought-resistant.Slightly cold-resistant, but grow at Yangtze river basin open country.Pattern is gorgeous; Can remove the growth of algae, have the effect of very strong purification eutrophic water body.
D), cattail
Cattail (cattail) is for being perennial fallen leaves, monocotyledon.Have another name called the stem or leaf of cattail, common cattail, timothy grass.Happiness warm and moist weather and wet environment, vitality is strong, and is beautiful in colour, can not ruin water quality, and can purify water, and the purification that the purification of N in the water body is reached 80%, P reaches 90%.
E), reed
Reed, the giantreed subfamily is given birth to or humidogene tall and big
Dogstail, be grown in by the irrigation ditch, river levee
Swamp landDeng.Fibrous root is flourishing, adventitious root length 20 ~ 30cm, and the longest 30 ~ 50cm that reaches, water-fast wet (can below 50cm ponding existence), Salt And Alkali Tolerance has the effect of degraded to Acidic water, has the effect of very strong purification eutrophic water body.
Falling zone slope protection works example
Falling zone, Chongqing Kaixian Han Feng lake bank protection project
It is domestic that the Han Feng lake is positioned at Kai Xian of northeast, Chongqing City, is the Three Gorges Projects construction that attracts worldwide attention and the artificial lake that shows unique characteristics that forms.Behind the Three Gorges Reservoir flood during reserve-water-level to 175 meter, torrential Yangtze River Water by east westerly regurgitate enter Peng Xi river, Kai Xian, Kai Xian will form 55.5 square kilometres the water surface area that floods.And after the reservoir level falling, form the harm that ecological environment may be caused to Kai Xian in large stretch of falling zone.
In order to address this problem, 4.5 kms have been built a water level regulating barrage in the downstream, Peng Xi river at the county town, Kai Xian of flowing through, and have formed a long-term water level and be 172-175 meters, girth and be 36.4 kilometers, water surface area and be 14.8 square kilometres lake.
Although built check dam, but the water level that the Han Feng lake is 172-175 meters still has 3 meters falling zone, initial stage after the falling zone forms, great variety has occured in the land ecological environment before flooding, terriecosystems especially phytobiocoenose etc., plant is drowned, the Gu Po effect of root system of plant disappears, and has brought potential safety hazard.Just for this area is the most hot moist, heavy rain, heavy rain be season frequently, does not have the falling zone of vegetation usually by rain drop erosion, causes serious soil erosion, even causes the landslide when the falling zone exposure becomes the land.
Ecological management has been carried out in falling zone for the Han Feng lake:
At first build the C20 concrete foundation of 300mm thickness in falling zone bank protection bottom.
Then, adopt ecology bag, pave and finish slope protection works.The ecology bag that adopts has the dual characteristics of uvioresistant and anti-immersion, no matter when exposed or water logging, all can keep the characteristic of ecology bag, when safeguarding slope stabilization, provides soil and nutrient to plant.
At last, in 172-174.5 meters intervals, the plantation Hemarthria compressa is 174.5-175 meters interval plantation reeds, vetiver.Hemarthria compressa is a kind of amphibious plant that meets local climate, has the characteristics such as water-fastly flood, low temperature resistant, high temperature resistant, and no matter its great advantage be when exposed or water logging, all can normal growth.
By engineering construction, vitality has been recovered in the falling zone in Han Feng lake, water level is in the time of 175 meters, the vitality of Hemarthria compressa tanacity makes the root system of plant of bank protection more and more flourishing, water level is in the time of 172 meters, bank protection is presented to the ring lake band of the green in Han Feng lake, and falling zone full of green more prevents the generation of the natural calamities such as soil erosion and landslide in the environment of sweltering heat, heavy rain except bringing people's Beautiful treat.
Application in three sections comprehensive processing methods of river lakeside slope ecology
Concentric lake, Chongqing comprehensive administration project
Concentric lake, Chongqing is located in the Chongqing North Area, Lake area 48.76 ten thousand sides, be accompanied by the development and construction in newly developed area, two rivers, the farmland of lake periphery is just progressively replaced by high building and factory building with one heart, if do not take measures in the lake with one heart, along with the remittance of municipal sewage, the water quality in lake will become bad VI 2 classes from the III class at short notice with one heart
At the beginning of the concentric lake of exploitation, decision-making and manager have just drawn the experiences and lessons of similar item, and it is secure that power will is forged into a safety with territory, concentric lake region, environmental beauty, the urban lakes of the ecological homeostasis specifically, is that the water quality of wishing concentric lake remains on the III class for a long time.
Three sections improvement methods of lake, river of the present invention Ecological Slope are adopted in the lake with one heart, and loke shore is divided into three slope sections.
At first loke shore is carried out paving of ecology bag bank protection, the bank protection part is squeezed into first 0.5 meter dark pine stake in the river bed under water, is used for stablizing and tamping water-bed ecology bag, and underwater slope protection part ecology bag adopts ecology bag C.Meanwhile, constructed in falling zone and shore protection synchronously, ecology bag B is adopted in the falling zone, and shore protection adopts ecology bag A.
After slope protection ecological bag is paved end, ecological revetment can ensure structural safety in the early stage, domaticly covered by ecology bag, can when also not forming, vegetation just can effectively contain soil erosion (lake water washes away, heavy rain wash away), simultaneously, ecology bag has permeable soil impervious characteristics, can also effectively prevent owing to caving in that sloping internal water accumulation causes.
Then, three slope sections are carried out respectively greening vegetation:
The slope section is planted the submerged plants such as eel grass, black algae under water;
In slope, falling zone section, plant reed, vetiver, aquatic canna under the normal pool level, plant the plants such as cattail, reed, calamus, vetiver on the normal pool level;
In loke shore slope section, can plant grass planting, shrub, arbor, grass seed selection rye grass, coreopsis, Bermuda grass etc.; Shrub and arbor are then arranged in pairs or groups according to the view needs.
At lake surface, the floating plants such as plantation water lettuce when blue algae bloom, can also be done and put the strike water hyacinth.
Behind the plant seeding, ecology bag can provide the necessary soil of plant growth, moisture and nutrient, and along with growth and the maturation of plant, root system can pass bag and become organic whole with cyphosomatic, and the time, root system more of a specified duration reached all the more, and sloping body is more firm.At the loke shore bank protection, grass is filled with Qiao and can be grown, and satisfies the landscape diversity demand, forms good ecosystem.
At last, carry out ecological construction, throw in fry according to following standard to the river course: silver carp: 600-800 fish/ha, bighead: 250-350 fish/ha, after the submerged vegetation maturation, throw in grass carp: 180-300 fish/ha.
By ecological management, make concentric lake possess at the very start good ecosystem and water body self-purification ability.The design storage capacity in lake is 48.76 ten thousand sides with one heart, at ordinary times inflow 0.004m3/s, at ordinary times water yield 0.0025m3/s.Concentric lake current enters water quality and need to be controlled at the IV class, and management goal is the III class, and the demand of three norms is as shown in Figure 3 so:
Unit: mg
With one heart there are 12708 square meter underwater slope protections in the lake, and 1470 square meter falling zone bank protections add the lake surface plant of about 1000 square meters.Vegetation is respectively shown in the following table in the ability of processing three norms:
Unit: mg/24h
As can be seen from Figure 3, on the disposal ability of three norms, the actual treatment ability in lake is compared with processing demands with one heart, and larger surplus is all arranged.On this leading indicator of the self-purification of water, the lake adopts the comprehensive regulation based on ecological revetment to obtain remarkable effect with one heart.
In addition, the lake also has following distinguishing feature with one heart:
Bio-diversity and the self-purification of water
. formed the optimum ecosystem of many integration
. water body self-purification ability is strong, can make water quality remain on for a long time the III class
. ecological revetment and vegetation be Adsorption of Heavy Metals effectively
. total nitrogen, total phosphorus are controlled, can the blue algae prevention outburst
Safety and flood passage
. root system of plant makes sloping body more firm
. the scour resistance of ecology bag self and root system of plant acting in conjunction, to satisfy effectively flood passage demand
Economy and the feature of environmental protection
. ecology bag divides three kinds of colors, the convenient construction management
. bed mud can be made the ecology bag inserts, can reducing construction cost
. construction technology is simple, and cost is relatively low
. the material low-carbon environment-friendly of use, energy-saving and emission-reduction can not cause secondary pollution
Landscape diversity and hydrophily
. grass, filling, Qiao can freely arrange in pairs or groups
. water front need not cut-off, ecology bag can with the collocation such as sash, shelter bridge, platform.
Claims (5)
1. the falling zone ecological treatment of slope method based on ecology bag comprises and divides the falling zone, to its restoration of the ecosystem of carrying out following steps, comprising:
1) with the upper limit of the dry season water level lower bound as the falling zone, with the maximum water level in the flood season upper bound as the falling zone;
2) ground slope surface treatment;
3) begin stepped lamination dislocation by the falling zone lower bound and pave ecology bag;
4) plant amphibious plant or/and hygrophyte at ecology bag.
2. a kind of falling zone ecological treatment of slope method based on ecology bag according to claim 1, it is characterized in that: the ecology bag in zone, the whole falling zone of step 3) is selected the plantation Hemarthria compressa, select plantation vetiver, calamus and reed at the top, falling zone, planting patterns is selected and is sowed grass seeds by duster or smear and broadcast, in the selection of time dry season of plantation, keep at least 40 day time apart from the wet season.
3. a kind of falling zone ecological treatment of slope method based on ecology bag according to claim 1, it is characterized in that: step 2) described ground slope surface treatment is for for the softer place of ground of bearing capacity＜150kpa, use the compacting of C20 concrete casting ground or rubble, the compacting degree is more than 90%, remove domatic foreign material, on the top, slope interim catchwater is set after the domatic finishing, ponding compiles the sloping body of impact when preventing rainfall.
4. a kind of falling zone ecological treatment of slope method based on ecology bag according to claim 1, it is characterized in that: the described stepped lamination dislocation of step 3) is paved the method for ecology bag for build in advance the C20 concrete foundation by design size at falling zone lower bound place, afterwards, by lower bound in layer the stepped bag of paving upwards, after having spread one deck, with bag and the backfill compacting of place, bag slit, then pave lower one deck with ramming iron, half bag wide of the ecology bag dislocation of adjacent layer position.
5. it is characterized in that according to claim 1 or 4 described a kind of falling zone ecological treatment of slope methods based on ecology bag: the described lower bound of step 3) place sets up has platform or/and barricade.
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| CN111887067A (en) * | 2020-07-09 | 2020-11-06 | 中国长江三峡集团有限公司 | Method for ecological restoration of artificial vegetation on high and steep rock slope |
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| CN110937689A (en) * | 2019-09-30 | 2020-03-31 | 花王生态工程股份有限公司 | Ecological riparian zone combining river water purification and slope greenbelt maintenance |
| CN111887067A (en) * | 2020-07-09 | 2020-11-06 | 中国长江三峡集团有限公司 | Method for ecological restoration of artificial vegetation on high and steep rock slope |
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