CN105230323B - A kind of growth-promoting binary stereoscopic configurations pattern against corrosion suitable for feldspathic sandstone small watershed - Google Patents
A kind of growth-promoting binary stereoscopic configurations pattern against corrosion suitable for feldspathic sandstone small watershed Download PDFInfo
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- CN105230323B CN105230323B CN201510767480.9A CN201510767480A CN105230323B CN 105230323 B CN105230323 B CN 105230323B CN 201510767480 A CN201510767480 A CN 201510767480A CN 105230323 B CN105230323 B CN 105230323B
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- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound 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[Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
Abstract
The invention discloses a kind of growth-promoting binary stereoscopic configurations pattern against corrosion suitable for the typical geomorphological structure in Stands in Arsenic Sandstone Area, by using different governance models to the different solid space position such as Po Ding, Gou Po, bottom of trench, implement different vegetation collocation to plant and implement corresponding engineering measure, serve and solidify feldspathic sandstone well, promote vegetation growth, the effect for the preventing and treating Stands in Arsenic Sandstone Area soil erosion that conserves water and soil；This method is not only consolidated soil and fixed the sand, and the revegetation of Stands in Arsenic Sandstone Area is also promoted simultaneously.
Description
Technical field：
This method is related to a kind of growth-promoting binary stereoscopic configurations pattern against corrosion suitable for feldspathic sandstone small watershed, belong to arid and
Arid area's ecological restoration technical field.
Background technology：
Feldspathic sandstone belongs to a kind of special geomorphological structure in Loess Plateau, red and white, is mainly distributed on Jin, Shaanxi and Inner Mongolia and connects
Region centered on earth area.Because earth's surface is exposed, water erosion, wind erosion and mass erosion interaction are added, locality is caused extremely
Serious soil erosion, the main source as Little Valleys In The Middle Reaches of The Yellow coarse sand.It is hard such as rock when feldspathic sandstone is anhydrous, meet water then extremely short
It is soft into mud in time, while wind erosion is serious.Because this area's breaking topography, dry, annual rainfall is less than 400mm, ground
Table water retention is poor, and vegetation is rare, and the ecosystem is extremely fragile.And local heavy rain is concentrated, feldspathic sandstone is intolerant to water erosion, often
The large area of feldspathic sandstone water and soil is caused to be lost in rainy season.
At present, the water and soil control measures of Stands in Arsenic Sandstone Area are mainly seal a mountain pass nature reparation and artificial growth forest land, focus mostly on
It is less for the administering method in ditch slope, raceway groove on Liang Maopo and plateau.However, feldspathic sandstone is by Liang Maoding-ditch slope-raceway groove structure
Into whole system in, erosion that rainwash, retrogressive erosion, sediment bypassing are caused is inseparable.Therefore above-mentioned maintenance is only used
Administering method can not solve ecosystem fragility, large area soil erosion problem well.And domatic exposed serious, wind-engaging
Erosion, water erosion, mass erosion etc., the feldspathic sandstone that often there is large area collapse, and there is no the governance approach of good high performance cheap；And
For at rainwater catchment, current often carry a large amount of silts and flowed away, and can not form effective interception, cause soil erosion in raceway groove.
The construction of the engineering measure, presently mainly silt arrester administered for Stands in Arsenic Sandstone Area water and soil, but execution conditions are difficult, and alluvial plain
Dam builds up that rear service life is shorter, and effect is not good.
It is single and in regional allocations at present for the control measures of Stands in Arsenic Sandstone Area, biological control measure is not played effectively
With the maximum effect of engineering measure, governance efficiency is relatively low.
The content of the invention
In order to more effectively prevent and treat Stands in Arsenic Sandstone Area soil erosion, the present inventor is for the typical geomorphological structure-slope in Stands in Arsenic Sandstone Area
Face and the topography and geomorphology Differentiation Features of raceway groove, feldspathic sandstone water and soil conservation material and feldspathic sandstone growth-promoting engineering against corrosion and existing arsenic
The measure of sandstone biological treating is organically combined, and realizes the whole synthesis improvement from Po Ding-domatic-channel system.
It is an object of the invention to provide a kind of growth-promoting binary stereoscopic configurations pattern against corrosion suitable for feldspathic sandstone small watershed.
The purpose of the present invention is achieved through the following technical solutions, including step：
1) collocation of each regional vegetation
Using the herbal collocation plantation of arbor × shrub or arbor × rhizome type in raceway groove；
In the gradient<30 ° of gentle slope top, selection arbor × shrub, arbor mixed forest and pure forest or shrub mixed forest with it is pure
The collocation plantation of woods；Grass seed is broadcasted sowing between bank and intercepting drain, in intercepting drain away from bank side dense planting a line or multirow
Shrub, forms flexible dam；A line tendril shape herbaceous plant is being planted at bank 0.5m；
It is more than 70 ° of the domatic artificial growth without plant in the gradient；In 35 °~70 ° of domatic use shrub × grass
The collocation plantation of this plant；Wherein：45 °~70 ° domatic use shrub × tendril shape herbaceous plant collocation plantations；35 °~45 ° slopes
Face is using shrub × fruticuli, shrub × rhizome type herbaceous plant or shrub × tendril shape herbaceous plant collocation plantation；Less than 35 °
Domatic use shrub × herbaceous plant collocation plantation.
2) intercepting drain and cellar are set up on slope top
Intercepting drain (A3), a width of 0.3~1m of intercepting drain are being dug at 1~2m of bank, depth is 0.5~1m；
Dug up the ground at 5~10m of bank (A4), cellar is that the small tripe of mouth is big, and depth is 1~2m, and every 30~50m sets one
It is individual.
The impermeable curing agent of high concentration is sprayed on the surface of intercepting drain and cellar and carries out Anti-seeping technology.
3) mode of vegetation plantation
The gentle slope top of angle：Using digging pit with machine, cave-shaped site preparation, the plantation of product word, seeding row spacing 1~3m × 1~5m；
Used between bank and intercepting drain and broadcast sowing plantation；Tendril shape vegetation at bank, using the cave-shaped plantation of strain, spacing
0.5m；
45 °~70 ° domatic plants seedling using cave-shaped product word mode, and shrub seeding row spacing 0.5~1.5m × 0.5~
In between 1.5m, tendril shape vegetation between shrub, seeding row spacing 0.5~1m × 0.5~1.5m；
35 °~45 ° domatic plants seedling using cave-shaped product word mode, and shrub seeding row spacing 0.5~1.5m × 0.5~
In between 1.5m, fruticuli between shrub, seeding row spacing 0.5~1m × 0.5~1m, collocation herbaceous plant is broadcasted sowing, 2~5g/m of density2；
35 ° use strip dense planting shrub with Caused by Sloping Surfaces, and line-spacing 1m~2m, collocation herbaceous plant seeds are broadcasted sowing；Raceway groove both sides
Ditch on the bank and with domatic boundary using plantation 1~2 row arbor, seeding row spacing 2~5m × 2~5m, in arbor seeding row spacing dense planting 1
~2 row shrubs, seeding row spacing 0.1~0.5m × 1~2m；Strip dense planting shrub is used in raceway groove, 1~5m of line-spacing is in the ranks broadcasted sowing
Grass seed.
4) W-OH series macromolecular curing materials are sprayed
Slope top spray between bank and intercepting drain applies organic polymer curing agent, such as can be the W- that concentration is 4-8%
OH, sprays thickness for 0.5-1mm；Effect that is impermeable, promoting vegetation germination and growth can be reached.<35 ° of domatic sprinklings promote
Raw organic polymer curing agent against corrosion, such as can be the W-OH that concentration is 2-4%, spray thickness for 0.5-1mm；Rush can be reached
The effect of raw consolidated soil simultaneously；At 35 °~70 ° it is domatic on spray growth-promoting organic polymer curing agent against corrosion, such as can be dense
Spend the W-OH for 2-4%, spray thickness for 0.5-2mm can reach prevent feldspathic sandstone peel off take into account soil moisture conservation growth-promoting effect；At 70 °
More than domatic upper sprinkling can fully consolidated curing agent, such as can be the W-OH that concentration is 8-10%, spraying thickness can for 1-2mm
Impermeable, efflorescence prevention effect is reached, and use time is long.
5) flexible web material is laid
From the slope top at bank 1m to the gradient<35 ° of domatic place, the macromolecular fibre establishment grid of laying high tenacity
Consolidate feldspathic sandstone；Flexible mesh size is 0.2~1m × 0.2~1m, and each node is fixed using rivet.
6) overflow dam is set
Small-sized overflow dam is built perpendicular to raceway groove water (flow) direction in raceway groove, building materials uses new dam material；Dam
Body is highly controlled in 1~3m.
The new dam material refers to the modification feldspathic sandstone after material modified and feldspathic sandstone is mixed evenly.It is modified
Material can be：Inorganic coagulation material or organic macromolecular adhesives.Inorganic coagulation material is：Cement, lime, gypsum etc. are gelled
One or more mixtures in material, consumption is to be mixed and stirred per 1000g feldspathic sandstones with 50-200g is material modified, is added when mixing and stirring
Enter water 50-150g；Organic macromolecular adhesives are concentration 0.1-1.0% polyvinyl alcohol water solution or 0.1-1.0% carboxymethyls
The sodium cellulosate aqueous solution, consumption is to be mixed and stirred per 1000g feldspathic sandstones with the 50-100g organic polymer aqueous solution.
In order to obtain more preferable effect, using following sequence of construction：
Push up sequence of construction in slope：A plantations arbor, shrub seedling；B excavates intercepting drain and water cellar；C, which digs pit, plants the plant of tendril shape
By seedling；D broadcasts sowing grass seed；E sprays impervious curing agent and growth-promoting curing agent against corrosion.
Domatic sequence of construction is：The seedling of a plantations shrub, fruticuli and tendril shape vegetation；B layings flexible mesh is consolidated
Knot；C broadcasts sowing grass seeds；D sprays curing agent.
Raceway groove sequence of construction is：A plantations arbor, shrub seedling；B builds overflow dam；C broadcasts sowing grass seed.
Term in this patent is expressed as follows implication：
Slope top (A) refers to the part of plateau, typically covers loess, aeolian sandy soil either exposed feldspathic sandstone.Physical features is gentle, angle one
As<30 ° and relatively stablize.
Domatic (B, C and D)：Refer to the exposed or a small amount of loess of covering, aeolian sandy soil it is unstable domatic.
According to domatic stability and the Suitable sites of vegetation, angle can be specifically divided into：>More than 70 ° domatic (B), 35 °
~70 ° domatic (C),<35 ° domatic (D)；In practice it is domatic be one of the above or a variety of combinations.
Raceway groove (E) refers to the riverbed of seasonal Rainfall simulator erosion formation and the alluvial sand ground of riverbed two sides, and physical features is gentle, soil
Matter is loose, angle<30 °, stablize relatively.
One " member " in two " members " refers to this stereoeffect of slope top-domatic-raceway groove；Another " member " refers to arranging
Apply type.
The present invention has the following advantages compared with prior art：
(1) present invention carries out generalized analysis to all control measures first, have selected most according to different condition area
Suitable control measures, feldspathic sandstone water and soil conservation material and feldspathic sandstone growth-promoting engineering against corrosion and existing feldspathic sandstone biological treating
Measure combines, and carries out the comprehensive regulation of domatic-channel system.
(2) the inventive method is constructed a kind of for arsenic sand first from two angles of control measures and spatial distribution
The water and soil conservation material for integrating growth-promoting against corrosion, plant collocation, the maintenance administering method of engineering measure of rock Typical Areas, are formed
Measure type, the stereoscopic configurations integrated technology of spatial distribution binary framework；This method build from Po Ding, domatic, raceway groove to
The whole system of this stereoeffect of bottom of trench, can as feldspathic sandstone small watershed most basic unit, cover feldspathic sandstone small
The typical geographical environment in basin.
(3) the inventive method arranges in pairs or groups the measure of water and soil conservation material solidification, different vegetation measure, corresponding engineering measure three
The measure of kind is collocated with each other, combined, compared to current control measures more system, optimization, and wide adaptation range, in water and soil conservation
It is obvious with effect in terms of ecological benefits.
Brief description of the drawings
Fig. 1：This method schematic diagram, wherein：A:Slope is pushed up, B:>More than 70 ° domatic, C:35 °~70 ° domatic, D:<35 ° of slopes
Face；E：Channel region；A1:Arbor, A2:Shrub, A3:Intercepting drain, A4:Cellar；B1:Tendril shape herbaceous plant；C1:Shrub, C2:
Rhizome type herbaceous plant, C3:Tendril shape herbaceous plant；D1:Herbaceous plant, D2:Shrub；E1:Arbor, E2:Shrub, E3:Rhizome
Type herbaceous plant.
The cave-shaped plantation Chinese pines of Fig. 2
More than 70 ° domatic regulation effects of Fig. 3
Fig. 4：35 °~70 ° domatic improvement：Sea-buckthorn × Chinese swallowwort latex collocation plantation
Fig. 5：35 ° of improvement with Caused by Sloping Surfaces：Sea-buckthorn × buffalograss collocation plantation
Fig. 6：：35 ° of regulation effects with Caused by Sloping Surfaces：For buffalograss growing way under arid situation
Fig. 7：35 °~70 domatic regulation effects：For 2 days buffalograss growing ways after rain, display Chinese swallowwort latex formation large area is covered
Lid, buffalograss degree of viability is high.
Fig. 8：Regulation effect in raceway groove：Herbaceous plant has germinateed
Fig. 9：Regulation effect in raceway groove：Salix monogolica germination in raceway groove
Embodiment
In order to understand the present invention, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not limit the present invention.
Embodiment 1
The tiger ditch of region of rivers and lakes Ge autumn ditches small watershed two is warmed up in Erdos Jungar Banner, is tested using invention.
For the ease of viewing test phenomenon, observation experiment data and analysis experimental result, mould is configured to whole space multistory
Formula carries out segmented experiment.
(1) intercepting drain and cellar are arranged in pairs or groups and set up to domatic vegetation
A. the gentle slope of selection physical features carries out the plantation of Chinese pine plantation, using digging pit with machine, cave-shaped site preparation, product along area
Word is planted, seeding row spacing 2m × 2m.
B. at bank 1.5m parallel to excavating intercepting drain along ditch, deep 40~50cm, wide 30~40cm.Sprayed in ditch
The W-OH that concentration is 4-6% is applied to prevent to ooze under moisture.
C. in intercepting drain away from being dug up the ground at 4~8 meters of bank side, then the deep 1~2m in cellar selects the big water of the small tripe of mouth
Wherein, every 30~50m sets one for bucket embedment.Rainy season storage rainwater rear seal-cover processing, water shortage season uses.
Because right side is road, cave-shaped Chinese pine a line can only be planted, as shown in Figure 2.Intercepting drain is dug at bank 1.5m simultaneously
Solidification, while setting cellar.
As a result：Chinese pine survival rate 100%, shows the comprehensive function of cave-shaped hole, intercepting drain and cellar, subtracts to greatest extent
Domatic rainwater is lacked and erosion is washed away to domatic.Local observed result is shown, domatic rainwater be mainly trapped within it is cave-shaped hole and
In cellar, intercepting drain is not collected full in the maximum September part of rainfall intensity without completely by current yet, is fully able to intercept and flows to slope
The rainwater in face.
As a result show：Under the existing environment in Stands in Arsenic Sandstone Area, the engineering measure being combined using cave-shaped hole, intercepting drain and cellar
It is enough to intercept slope top moisture, domatic further erosion is it also avoid while reaching and making full use of rainwater.
(2) domatic configuration mode and control measures
1. more than 70 ° domatic
10% W-OH curing agent is reached in domatic spraying concentration, unit solution sprays thickness for 0.2cm~0.3cm.
As a result：By the observation and test of 6 months, upper soll layer still had waterproof layer, can avoid oozing under moisture, prevent
Rainwater also completely avoid wind erosion to domatic erosion.Effect is shown in Fig. 3.
2. 35 °~70 ° domatic
A, cave-shaped product word mode plant sea-buckthorn seedling, seeding row spacing 0.8m × 0.8m.1) in the ranks acted wildly timothy seed in sea-buckthorn,
5~10g/m of density2.2) Chinese swallowwort latex seedling, 0.5 × 0.5m of seeding row spacing are in the ranks planted in sea-buckthorn.
B, spray concentration are 4%~6% curing agent W-OH, and unit solution sprays thickness 0.2cm.
As a result：By the observation and detection of 6 months, as a result show, sprinkling curing agent after feldspathic sandstone surface bonding course always
In the presence of, can effectively prevent rainwash washing away and corroding to soil, serve solidification growth-promoting effect.Meanwhile, sea-buckthorn length
Gesture is good, survival rate to 91.6%；Buffalograss survival rate grows fine more than 80%.Chinese swallowwort latex formation large area covering,
The soil surface for not planting sea-buckthorn is almost covered, coverage rate reaches 78.4%.Meanwhile, Chinese swallowwort latex sprawl growth is formed in earth's surface
Biological coating, interacts with chemosetting layer, co-curing domatic Stands in Arsenic Sandstone Area.Demonstrate the inventive method configuration
The feasibility of pattern and excellent soil conservation effect.
3. less than 35 ° domatic
A, strip plantation sea-buckthorn seedling, spacing in the rows are controlled within 0.5m, 1~2m of line-spacing.Wild ox grass seeds is broadcasted sowing on domatic
Son, 3~5g/m of density2。
B, spray concentration are 2%~4% curing agent W-OH, and unit solution sprays thickness 0.2cm.
As a result：By the observation and detection of 6 months, as a result show, vegetable seeds can be effectively facilitated by spraying after curing agent
Sprouting, and moisture content in soil improves 0.8~2.2% compared to uncured region.By to trial zone and check plot
The detection of region soil wastage shows that the soil losses of trial zone reduce 97.2%.Show that this method can effectively prevent
The only loss of soil, while beneficial to the growth for recovering vegetation.
(3) control measures in raceway groove
Raceway groove both sides ditch on the bank and with domatic boundary plant 1 row Populus hopeiensis, spacing in the rows 3m；Between Populus hopeiensis seeding row spacing
The row caragana microphylla of dense planting 2, seeding row spacing 0.5m × 1m.The strip dense planting salix monogolica in raceway groove, seeding row spacing 1m × 1m, in the ranks mixed seeding wild ox grass seeds
Son and Wheatgrass seed.
Effect：By the observation and detection of 6 months, result was：Moisture content in soil improves 2% than not test (N.T.) region
~5%, the silt thickness of interception improves 2~5cm.Show that this method effectively increases the moisture content of soil, intercepted a large amount of
Silt.The sprouting of vegetable seeds can be effectively facilitated by being sprayed according to this method after curing agent.
By gathered data and observation of plant growing way, this growth-promoting binary stereoscopic configurations pattern against corrosion is fully demonstrated for arsenic
Excellent results of the improvement with growth-promoting against corrosion of sandstone small watershed.
Claims (1)
1. a kind of growth-promoting binary stereoscopic configurations method against corrosion suitable for feldspathic sandstone small watershed, it is characterised in that including step：
1) collocation of each regional vegetation
Using the herbal collocation plantation of arbor × shrub or arbor × rhizome type in raceway groove；
In the gradient<30 ° of gentle slope top, selection arbor × shrub, arbor mixed forest and pure forest or shrub mixed forest and pure forest
Collocation plantation；Grass seed is broadcasted sowing between bank and intercepting drain, in intercepting drain away from bank side dense planting a line or multirow shrub,
Form flexible dam；A line tendril shape herbaceous plant is being planted at bank 0.5m；
It is more than 70 ° of the domatic artificial growth without plant in the gradient；Planted in 35 °~70 ° of domatic use shrubs × draft
The collocation plantation of thing；Wherein：45 °~70 ° domatic use shrub × tendril shape herbaceous plant collocation plantations；35 °~45 ° domatic to adopt
With shrub × rhizome type herbaceous plant or shrub × tendril shape herbaceous plant collocation plantation；Less than 35 ° domatic use shrub × grass
The collocation plantation of this plant；
2) intercepting drain and cellar are set up on slope top
Intercepting drain, a width of 0.3~1m of intercepting drain are being dug at 1~2m of bank, depth is 0.5~1m；
Dug up the ground at 5~10m of bank, cellar is that the small tripe of mouth is big, and depth is 1~2m, and every 30~50m sets one；
Spray the impermeable curing agent of high concentration and carry out Anti-seeping technology in the surface of intercepting drain and cellar；
3) planting patterns of vegetation：
The gentle slope top of angle：Using digging pit with machine, cave-shaped site preparation, the plantation of product word, seeding row spacing 1~3m × 1~5m；Bank and cut
Used between stream ditch and broadcast sowing plantation；Tendril shape vegetation at bank, using the cave-shaped plantation of strain, spacing 0.5m；
45 °~70 ° of the cave-shaped product word mode of domatic use plants seedling, shrub seeding row spacing 0.5~1.5m × 0.5~1.5m, rattan
Planted between climing shape vegetation between shrub, seeding row spacing 0.5~1m × 0.5~1.5m；35 °~45 ° of the cave-shaped product word mode of domatic use
Plant and planted between seedling, shrub seeding row spacing 0.5~1.5m × 0.5~1.5m, fruticuli between shrub, seeding row spacing 0.5~1m × 0.5
~1m, collocation herbaceous plant is broadcasted sowing, 2~5g/m of density2；Less than 35 ° domatic use strip dense planting shrubs, line-spacing 1m~2m takes
Broadcasted sowing with herbaceous plant seeds；The ditch of raceway groove both sides on the bank and with domatic boundary using plantation 1~2 row arbor, seeding row spacing 2~
5m × 2~5m, the row shrub of dense planting 1~2, seeding row spacing 0.1~0.5m × 1~2m between arbor plant；Strip is used in raceway groove
Dense planting shrub, 1~5m of line-spacing, in the ranks broadcasts sowing grass seed；
4) W-OH series macromolecular curing materials are sprayed
The W-OH that slope top spraying concentration between bank and intercepting drain is 4-8%, sprays thickness for 0.5-1mm；<35 ° of slopes
Face spray concentration is 2-4% W-OH, sprays thickness for 0.5-1mm；At 35 °~70 ° it is domatic on spray concentration be 2-4% W-
OH, sprays thickness for 0.5-2mm；Spray concentration is 8-10% W-OH on domatic more than 70 °, sprays thickness for 1-2mm；
5) flexible web material is laid
From the slope top at bank 1m to the gradient<35 ° of domatic place, the macromolecular fibre establishment grid consolidation of laying high tenacity
Feldspathic sandstone；Flexible mesh size is 0.2~1m × 0.2~1m, and each node is fixed using rivet；
6) overflow dam is set
Small-sized overflow dam is built perpendicular to raceway groove water (flow) direction in raceway groove, building materials uses dam material；Dam body is highly controlled
System is in 1~3m；
The dam material refers to the modification feldspathic sandstone after material modified and feldspathic sandstone is mixed evenly；It is material modified to be：
Inorganic coagulation material or organic macromolecular adhesives；Inorganic coagulation material is：One kind in cement, lime, gypsum plaster
Or a variety of mixtures, consumption is to be mixed and stirred per 1000g feldspathic sandstones with 50-200g is material modified, and water 50-150g is added when mixing and stirring；
Organic macromolecular adhesives are：Concentration 0.1-1.0% polyvinyl alcohol water solution or 0.1-1.0% sodium carboxymethylcelluloses is water-soluble
Liquid, consumption is to be mixed and stirred per 1000g feldspathic sandstones with the 50-100g organic polymer aqueous solution.
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| CN106034895B (en) * | 2016-05-28 | 2018-12-18 | 中国科学院新疆生态与地理研究所 | A kind of Ili River Valley chiltern dwarf soil hillside fields forests for water and soil conservation method of forestation |
| CN106034896B (en) * | 2016-05-28 | 2019-03-19 | 中国科学院新疆生态与地理研究所 | Ili River Valley Hills And Low Mountains abrupt slope cheuch soil erosion biological control method |
| CN106223400A (en) * | 2016-08-31 | 2016-12-14 | 黄河水利委员会黄河水利科学研究院 | Feldspathic sandstone props up Watershed biomaterial binary coupling comprehensive processing method and system |
| CN107401174A (en) * | 2016-12-07 | 2017-11-28 | 青海富腾生态科技有限公司 | A kind of unstable hill afforestating administering method |
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| CN108684422A (en) * | 2018-05-21 | 2018-10-23 | 北京交通大学 | LP blades ecological organic hypothallus side slope ecological renovation method based on W-OH |
| CN108702890A (en) * | 2018-05-29 | 2018-10-26 | 黄河水利委员会黄河水利科学研究院 | One kind being suitable for Stands in Arsenic Sandstone Area slope surface process for comprehensively treating |
| CN108978579B (en) * | 2018-09-06 | 2020-04-10 | 江苏建筑职业技术学院 | Riverway environment restoration structure and riverway ecological environment restoration method |
| CN110558170B (en) * | 2019-10-19 | 2021-06-01 | 福建农林大学 | Method for reducing riverway sediment coastal transport in yellow river midstream sandstone area |
| CN110692418A (en) * | 2019-10-29 | 2020-01-17 | 樊江 | Strip-shaped composite vegetation allocation method |
| CN111919630B (en) * | 2020-07-16 | 2022-04-15 | 西安理工大学 | Vegetation construction method for reducing soil erosion of trench wall in loess area |
| CN113647224A (en) * | 2021-08-12 | 2021-11-16 | 中国水利水电科学研究院 | Slope farmland water and soil conservation composite measure configuration method integrating slope and soil layer differentiation |
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| CN104389302B (en) * | 2014-10-30 | 2016-02-10 | 天津城建大学 | A kind of plant in treating method controlling feldspathic sandstone small watershed raceway groove sediment bypassing |
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