CN108677975A - A kind of careless blanket slope protection construction method of three dimensional network combination environmental protection - Google Patents
A kind of careless blanket slope protection construction method of three dimensional network combination environmental protection Download PDFInfo
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- CN108677975A CN108677975A CN201810833568.XA CN201810833568A CN108677975A CN 108677975 A CN108677975 A CN 108677975A CN 201810833568 A CN201810833568 A CN 201810833568A CN 108677975 A CN108677975 A CN 108677975A
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- 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
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Abstract
The present invention relates to a kind of three dimensional networks to combine the careless blanket slope protection construction method of environmental protection.This method includes：Side slope is pre-processed, including obtains the side slope soil parameter, and the Slope leveling is made to stablize；Three dimensional network is sprawled to smooth-going from top to down and is tensed, is anchored with fixing piece；Spray Nutrition Soil base or the soil of mixotrophism containing grass-seed of sowing grass seeds by duster；Environmentally friendly careless blanket is unfolded to be laid with from top to down, fixing piece is used in combination to anchor；The careless blanket of the environmental protection of laying is conserved.The present invention can improve slope greening construction quality, and it conducive to the germination of grass-seed and survives, slope greening effect can be improved, it effectively prevent rain drop erosion, grass-seed is avoided to be flushed away, nutrition soil layer provides suitable growing environment for vegetation grass-seed, keeps plant growth vigorous, can realize the greening vegetation effect of good road bank protection.
Description
Technical field
This disclosure relates to which slope protection project field more particularly to a kind of three dimensional network combine environmental protection careless blanket slope protection construction side
Method.
Background technology
Slope protection mainly protects roadbed side slope surface from rain drop erosion, prevents and delay soft rock-soil surface wind
Change, is degraded at fragmentation, and the overall stability of roadbed side slope is kept, and beautifies the appearance of a street and harmonizing nature environment.Common slope protection is set
Biological protection, engineering protection and geotextile protection are applied.Now, as select biology anti-as possible for the protection method of side slope
Shield, to reach the multiple effect of slope protection, greening, beautification.
Roadbed slope biological protection currently mainly has vegetative protection, three-dimension vegetative net protection, hydro seeding, alien earth sparging etc.
Mode.Since vegetation growth needs certain period, at the initial stage of greening construction, rainwater causes slope surface to destroy slope wash,
Three-dimensional mesh sheet is come to nothing, and whole vegetation is difficult to be formed, and directly affects the effect of slope protection.
Invention content
The disclosure is designed to provide a kind of method that three dimensional network combines the careless blanket of environmental protection to carry out road slope protection greening, in turn
One or more is overcome the problems, such as caused by the limitation and defect of the relevant technologies at least to a certain extent.
The embodiment of the present disclosure provides a kind of careless blanket slope protection construction method of three dimensional network combination environmental protection, and this method includes：
Side slope is pre-processed, including obtains the side slope soil parameter, and the Slope leveling is made to stablize；
The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network to slope foot, and when laying makes the three dimensional network sprawl
It smoothes out and tenses, three dimensional network described in next stage is pressed under three dimensional network described in upper level and realizes overlap joint, fixing piece is used in combination to anchor
The three dimensional network；Wherein, the overlap width is not less than 10cm, while overlap institute between the three dimensional network
Fixing piece anchoring is stated to reinforce；
Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and the system of spraying
The standby Nutrition Soil is in formation Nutrition Soil base on the three dimensional network；
The soil of mixotrophism containing grass-seed sow grass seeds by duster in the Nutrition Soil base；Battalion in the wherein described soil of mixotrophism containing grass-seed
Foster soil is consistent with the ingredient of Nutrition Soil base, and the grass-seed determines according to the soil parameters；
In the anchor ditch for the top of the slope that the careless blanket front end of environmental protection without grass-seed is laid on the side slope and with the fixing piece anchor
Gu then being unfolded to be laid with from top to down by the careless blanket of the environmental protection, environmental protection grass blanket described in next stage is pressed in upper one when being laid with overlap joint
Under the careless blanket of the grade environmental protection, while the overlap is anchored with the fixing piece and is reinforced, and the adjacent careless blanket of the environmental protection
Overlap width is more than 10cm；
The careless blanket of the environmental protection of laying is conserved.
Wherein, the gradient of the side slope is 45~60 degree.
Wherein, the careless blanket of the environmental protection of laying is conserved, including：
It is conserved using waterwheel, and controls the nozzle on the waterwheel at a distance from the slope surface of the side slope, water yield
And movement speed, so that the water sprayed nebulizes and equably moistens the slope surface.
Wherein, the three dimensional network is EM4 type three dimensional networks, mass area ratio 350g/m2, transverse direction and longitudinal direction tensile strength is
2kN/m。
Wherein, the fixing piece is U-shaped nail.
Wherein, fixing piece described in every square meter is no less than 6 when being fixed to the three dimensional network and the careless blanket of the environmental protection.
Wherein, the soil parameters includes at least amount containing soil and acid-base value；The type of the grass-seed and the battalion of injection
The thickness for supporting soil matrix layer is determined by side slope soil property amount containing soil and acid-base value.
Wherein, the grass-seed includes one or more of Festuca Arundinacea, torch, false indigo, locust tree, elm.
The embodiment of the present disclosure also provides a kind of careless blanket slope protection construction method of three dimensional network combination environmental protection, and this method includes：
Side slope is pre-processed, including obtains the side slope soil parameter, and the Slope leveling is made to stablize；
The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network to slope foot, and when laying makes the three dimensional network sprawl
It smoothes out and tenses, three dimensional network described in next stage is pressed under three dimensional network described in upper level and realizes overlap joint, fixing piece is used in combination to anchor
The three dimensional network；Wherein, the overlap width is not less than 10cm, while overlap institute between the three dimensional network
Fixing piece anchoring is stated to reinforce；
Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and the system of spraying
The standby Nutrition Soil is in formation Nutrition Soil base on the three dimensional network；
It will be anchored in the anchor ditch for the top of the slope that environmental protection careless blanket front end containing grass-seed is laid on the side slope and with the fixing piece,
Then the careless blanket of the environmental protection is unfolded to be laid with from top to down, environmental protection grass blanket described in next stage is pressed in upper level institute when being laid with overlap joint
It states under environmentally friendly careless blanket, while the overlap is anchored with the fixing piece and reinforced, and the overlap joint of the adjacent careless blanket of the environmental protection
Partial width is more than 10cm；
The careless blanket of the environmental protection of laying is conserved.
Wherein, the gradient of the side slope is less than 45 degree；
Wherein, the careless blanket of the environmental protection of laying is conserved, including：
It is conserved using waterwheel, and controls the nozzle on the waterwheel at a distance from the slope surface of the side slope, water yield
And movement speed, so that the water sprayed nebulizes and equably moistens the slope surface.
Wherein, the three dimensional network is EM4 type three dimensional networks, mass area ratio 350g/m2, transverse direction and longitudinal direction tensile strength is
2kN/m。
Wherein, the fixing piece is U-shaped nail.
Wherein, fixing piece described in every square meter is no less than 6 when being fixed to the three dimensional network and the careless blanket of the environmental protection.
Wherein, the soil parameters includes at least amount containing soil and acid-base value；The type of the grass-seed and the battalion of injection
The thickness for supporting soil matrix layer is determined by side slope soil property amount containing soil and acid-base value.
Wherein, the grass-seed includes one or more of Festuca Arundinacea, torch, false indigo, locust tree, elm.
The technical scheme provided by this disclosed embodiment can include the following benefits：
In above-described embodiment of the disclosure, when slope greening is constructed, the careless blanket construction of environmental protection is combined using three dimensional network, and should
Three-dimensional web structure and the careless blanket of environmental protection can be more effectively fixed in side slope, are conducive to subsequent slope greening and constructed, are simultaneously
Raising afforestation effect, side slope carry out pretreatment and obtain side slope soil parameter, according to the soil parameters determine Nutrition Soil at
Point and grass-seed, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and spray the Nutrition Soil of preparation in the galvanized wire mesh
Upper formation Nutrition Soil base, then in the soil of mixotrophism containing grass-seed of sowing grass seeds by duster in the Nutrition Soil base, by the ring without grass-seed
It protects careless blanket to be unfolded to be laid with to limes marginis from top to down, or the Nutrition Soil that directly prepared by injection is in shape on the three dimensional network
At Nutrition Soil base, it is then laid with the careless blanket of environmental protection containing grass-seed, finally the careless blanket of the environmental protection of laying is conserved, it is non-in this way
Often with targeted, the construction method being adapted for different soil properties, the side slope of different gradient, determination and the battalion wherein used
Soil and grass-seed are supported, so as to improve construction quality, and conducive to the germination of grass-seed and is survived, and then slope greening effect can be improved
Fruit.It can effectively prevent rain drop erosion in the present embodiment, grass-seed is avoided to be flushed away, it is suitable that nutrition soil layer provides for vegetation grass-seed
Growing environment, keep plant growth vigorous, can realize the greening vegetation effect of good road bank protection, meet actual use and want
It asks.
Description of the drawings
Fig. 1 shows that three dimensional network combines the careless blanket slope protection construction method flow chart of environmental protection in the embodiment of the present disclosure；
Fig. 2 shows another three dimensional networks in the embodiment of the present disclosure to combine the careless blanket slope protection construction method flow chart of environmental protection；
Fig. 3 shows the side slope schematic diagram after constructing in disclosure exemplary embodiment；
Fig. 4 shows another schematic diagram of side slope after constructing in disclosure exemplary embodiment；
Three dimensional network overlap joint schematic diagram when Fig. 5 shows to be laid in disclosure exemplary embodiment；
Fig. 6 shows U-shaped nail schematic diagram in disclosure exemplary embodiment；
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be in any suitable manner incorporated in one or more embodiments.
In addition, attached drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Identical attached drawing mark in figure
Note indicates same or similar part, thus will omit repetition thereof.
It please refers to shown in Fig. 1, the careless blanket slope protection construction method of environmental protection is combined for a kind of three dimensional network that the embodiment of the present disclosure provides
Flow chart, this approach includes the following steps：
S101：Side slope is pre-processed, including obtains the side slope soil parameter, and keeps the Slope leveling steady
It is fixed.
Specifically, combining with reference to shown in figure 3~5, detailed measurements can be carried out before pretreatment to construction site topography and geomorphology, are stepped on
Survey, the palm seals side slope soil property situation, side slope angle, length of grade and slope periphery plant growth situation, soil sampling inspection, measure amount containing soil and
Acid-base value；Then stablize the Slope leveling, main slope surface is answered straight, smooth, smooth and stablized, by the unstable stone of slope surface
Or eliminating impurities, must not there are turquoise, danger stone.For the method that unstable slope surface should use special anchoring, Medium Culture is without engineering
The bumps such as rubbish and big stone, weeds manually fill and lead up processing for being used at slope surface gully.
S102：The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network 1 to slope foot, and when laying makes the three-dimensional
Net 1 is sprawled smooth-going and is tensed, and three dimensional network described in next stage 1 is pressed under three dimensional network 1 described in upper level and realizes overlap joint, is used in combination solid
Determine part and anchors 5 three dimensional networks 1；Wherein, the overlap width is not less than 10cm between the three dimensional network 1, while described
Overlap is anchored with the fixing piece 5 to be reinforced.
The fixation of the three dimensional network 1 can be improved in the present embodiment by width and fixing piece 5 that overlap is arranged
Effect is so that it can more effectively be fixed in side slope.Further, the three dimensional network 1 is EM4 type three dimensional networks, unit area
Quality 350g/m2, transverse direction and longitudinal direction tensile strength is 2kN/m.Side when can improve construction using the three dimensional network of the specific model
The anchoring effect on slope improves construction quality.
S103：Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and spray
The Nutrition Soil of preparation is penetrated in formation Nutrition Soil base 2 on the three dimensional network 1；
Wherein, the soil parameters includes at least amount containing soil and acid-base value；Injection the Nutrition Soil base 2 thickness by
The amount containing soil and acid-base value of the side slope soil property determine that the thickness of Nutrition Soil base 2 can be 2-5 centimetres in the present embodiment.It should
Nutrition Soil can be used for improveing side slope soil to improve the germination percentage and survival rate of grass-seed, and then improve afforestation effect.Wherein institute
Nutrition Soil is stated to be prepared by following manner：Clayed soil is pulverized and sieved；The crushing is weighed respectively according to preset weight part
Clayed soil, base manure, composite fertilizer, binder, water-retaining agent after sieving, be then sufficiently stirred after mixing to get.Wherein institute
Stating preset weight part includes：The clayed soil of 8-11 parts by weight, the base manure of 1-3 parts by weight, 0.001-0.005 parts by weight it is compound
The water-retaining agent of fertilizer, the binder of 0.1-0.4 parts by weight, 0.1-0.5 parts by weight.The clay content of the wherein described clayed soil is
30%-50%；The plasticity index of the clayed soil is 17-32；The base manure includes stack retting mushroom fertilizer, farm manure, pond sludge, heap
Macerate at least one of the chemical fertilizer of rice bran, fertile soil, phosphorous potassium；The composite fertilizer is the composite fertilizer containing nitrate nitrogen；The guarantor
Aqua is acrylamide and acrylic acid salt crosslinking copolymerization object.
The Nutrition Soil prepared using the above method, on the one hand can improve the granule that Nutrition Soil occurs after a period of use
Structure persistently supplies moisture needed for plant growth, drought resisting, water-saving fertilizer-saving, to improve the hair of taking root of slope greening grass blanket seed
Bud rate ensures the growth quality of plant, Prolong green period, and then improves slope greening effect；On the other hand, this method operation letter
It is single, it is time-consuming short, effectively increase the construction efficiency of slope revegetation engineering.
S104：The soil of mixotrophism containing grass-seed 3 sow grass seeds by duster in the Nutrition Soil base 2；The wherein described mixotrophism containing grass-seed
Nutrition Soil in soil 3 is consistent with the ingredient of the Nutrition Soil base 2, and the grass-seed determines according to the soil parameters.
Specifically, the grass-seed may include one or more of Festuca Arundinacea, torch, false indigo, locust tree, elm.Cause
After such grass-seed growth, well developed root system, survival ability is strong, manages and protects conveniently, protection effect is more preferable.Meanwhile according to green requirement again, being
It reduces maintenance cost to the greatest extent, in grass-seed selection, generally selects Festuca Arundinacea, torch, false indigo, locust tree, elm well developed root system pipe
Shield facilitates nursery stock, and in one embodiment, Festuca Arundinacea is pressed per 20 grams of configurations of square meter, other several seed weights are pressed per square meter 40
Gram configuration.
In addition it is to ensure grass-seed large-area construction bud ratio, before large-area construction, it is necessary to first test seed germination rate, such as
Bud ratio is relatively low, it is necessary to replace seed immediately and retest.Seed must be handled before sowing grass seeds by duster, ensure that seed can be uniformly
Sprout simultaneously, seed treatment the purpose is to reduce pest and disease damage and promote seed ahead of time germinate.Specific method may include walking as follows
Suddenly：
Initial point selection：Choose healthy, full grains vegetable seeds；
Seed disinfection：In the seed disinfection liquid that solution concentration is 4%-6%, selected seed is impregnated 2-3 hours；
Additive treating：It is small that seed after disinfection is put into immersion 2-3 in the additive that solution concentration is 0.1 ‰ -0.2 ‰
When, the additive is 1 by volume ratio:1 promoter and germinator composition；
Seed soaking：The seed is sterilized with after additive treating, is put into the water of preset temperature and is carried out according to preset time
It impregnates.
In the seed soaking step, further, Robinia pseudoacacia Seeds, false indigo seed, shrub lespedeza seed, Caragana Microphylla Seed are put into
It is impregnated for the first time 24 hours in the water that temperature is 50-60 DEG C；Unexpanded seed is in 50-60 DEG C of water after first time is impregnated
Second of immersion 24 hours；Unexpanded seed, which is put into 100 DEG C of boiling water, after impregnating for second boils 10 seconds, places into 5-30 DEG C
It is impregnated 24 hours in water.
In another embodiment, alfalfa seed, prairie milk vetch seed, Trifolium repense seed are put into 35~40 DEG C of water and impregnate 12
Hour.
In another embodiment, tall fescue seed, coreopsis seed are put into 5-30 DEG C of water and are impregnated 12 hours；It is wherein every
A water was changed every 3 hours, to ensure in water containing sufficient oxygen.
By taking Festuca Arundinacea grass-seed as an example, reach 15 degree or more in temperature, normally 1 week or so Festuca Arundinacea will be sent out after sowing grass seeds by duster
Bud, entire slope surface will greening, 10 to 15 days or so, other seeds will germinate, and wait for 1 month to 1 half a month or so Festuca Arundinacea
It grows up, Festuca Arundinacea impacts other seedling growths in order to prevent, and using needle Festuca Arundinacea class herbicide, Festuca Arundinacea is killed,
Retain other plant.
In another embodiment, more convenient for some maintenances, it does not require nothing more than again green, also requires certain landscape effect
, Festuca Arundinacea, alfalfa, false indigo, red clover, coreopsis, caragana microphylla, prairie milk vetch, shrub lespedeza etc. on selection of seedling, per square meter
Based on 60 grams, each seed is equal in weight.
The careless blanket grass-seed, that is, seed of environmental protection is handled by the above method, the careless blanket seed of slope greening environmental protection can be not only eliminated and take
Disease carrying germ can also improve the resistance of seed, effectively reduce the incidence of the careless blanket seed of slope greening environmental protection.Use present invention side
The careless blanket percentage of seedgermination of method treated slope greening environmental protection is up to 93% or more, and the survival rate of seedling is up to 90% or more, significantly
Improve slope greening effect.
S105：Careless 4 expansion from top to down of blanket of environmental protection without grass-seed is laid with, it will be environmentally friendly described in next stage when being laid with overlap joint
Careless blanket 4 is pressed under environmental protection grass blanket 4 described in upper level, while the overlap is anchored with the fixing piece 5 and reinforced, and adjacent
The overlap width of the environmental protection grass blanket 4 is more than 10cm.
Specifically, as shown in fig. 6, the fixing piece 5 is U-shaped nail, the U-shaped nail can use the bar material of diameter 8mm
It constitutes, stronger fixation can be kept.Wherein, U-shaped described in every square meter when being fixed to the three dimensional network 1 and the careless blanket 4 of the environmental protection
Nail no less than 6 is conducive to construction so that three dimensional network 1 and the careless blanket of environmental protection 4 are fixed smooth, secured.
Please refer to Fig. 5, wherein to 4 overlapping mode of the three dimensional network 1 and the careless blanket of environmental protection, lap width is not less than
10cm, the fixed effect of the three dimensional network 1 can be improved so that it can more by crossing the width that overlap is arranged and fixing piece 5
It is effectively fixed in side slope, is conducive to follow-up greening construction.
S106：The careless blanket of the environmental protection of laying is conserved.
Specifically, can be conserved using waterwheel, and the nozzle on the control waterwheel and the slope surface of the side slope
Distance, water yield and movement speed, so that the water sprayed nebulizes and equably moistens the slope surface.It can be prevented in this way by seed
It breaks up, improves percentage of seedgermination and survival rate, and then improve slope greening effect.
In order to further increase slope greening effect, when maintenance, in the first preset number of days, supported using the waterwheel
Water spray pours the slope surface when shield；After first preset number of days, in the second preset number of days, carried out using the waterwheel
Fertilizer is added in the water of pouring when maintenance, to improve seed young shoot and growth of seedling.
Specifically, first preset number of days can be 45 days, i.e. seed maintenance early period generally 45 days, germination period 15 days
Depth of wetted soil control is gradually increased depth of wetted soil to 5cm or more, early period in 2cm or so, Seedling Stage according to the development of root system of plant
Curing time is that twice, once in the morning and once at night, morning curing time should be completed before 10 points, and maintenance in afternoon should be 16 for maintenance daily
Start after point, avoids carrying out wet curing under strong sunlight, in order to avoid cause physiological water shortage and induce pest and disease damage.In height
Warm arid season, seed young shoot and seedling should increase 1-2 maintenance daily since ground high temperature is easy injury；It rains or cloudy
Maintenance number can suitably be reduced.
Late maintaining is to promote seedling growth, and the fertilizer such as composite fertilizer and urea can be added in watering pours water after 45 days, is applied fertilizer
Principle it is multiple on a small quantity, urea by per acre 2 kilograms, composite fertilizer by 2 kilograms per acre applications.The fertilising period is 30-45 days or so, i.e.,
Second preset number of days is 30-45 days, specifically depending on seedling growth situation.
Wherein, the gradient of the side slope is 45~60 degree.When gradient difference, the anchoring effect of three-dimensional web structure can be influenced
The degree that fruit and grass-seed are washed.The moderate side slope of the gradient that 45~60 degree of embodiment of the present disclosure said program pair have compared with
Good construction effect so that the three-dimensional web structure can be more effectively fixed on compared on gradient slope, be conducive to subsequent slope greening
Construction, and then slope greening construction effect can be improved.
Fig. 2 is please referred to, the careless blanket slope protection construction method stream of environmental protection is combined for another three dimensional network that the embodiment of the present disclosure provides
Cheng Tu, this method and above-described embodiment are different only in that, the environmental protection grass without grass-seed is replaced using the careless blanket of environmental protection containing grass-seed
Blanket, while Nutrition Soil 3 of only sowing grass seeds by duster.This method can be adapted for the side slope that the gradient is less than 45 degree.Specifically, this method may include
Following steps：
S201：Side slope is pre-processed, including obtains the side slope soil parameter, and keeps the Slope leveling steady
It is fixed.
Specifically, combining with reference to shown in figure 3~5, detailed measurements can be carried out before pretreatment to construction site topography and geomorphology, are stepped on
Survey, the palm seals side slope soil property situation, side slope angle, length of grade and slope periphery plant growth situation, soil sampling inspection, measure amount containing soil and
Acid-base value；Then stablize the Slope leveling, main slope surface is answered straight, smooth, smooth and stablized, by the unstable stone of slope surface
Or eliminating impurities, must not there are turquoise, danger stone.For the method that unstable slope surface should use special anchoring, Medium Culture is without engineering
The bumps such as rubbish and big stone, weeds manually fill and lead up processing for being used at slope surface gully.
S202：The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network to slope foot, and when laying makes the three-dimensional
Net laying flattening is suitable and tenses, and three dimensional network described in next stage is pressed under three dimensional network described in upper level and realizes overlap joint, fixation is used in combination
Part anchors the three dimensional network；Wherein, the overlap width is not less than 10cm, while the clinch between the three dimensional network
Divide to be anchored with the fixing piece and reinforce.
The fixation of the three dimensional network 1 can be improved in the present embodiment by width and fixing piece 5 that overlap is arranged
Effect is so that it can more effectively be fixed in side slope.Further, the three dimensional network 1 is EM4 type three dimensional networks, unit area
Quality 350g/m2, transverse direction and longitudinal direction tensile strength is 2kN/m.Side when can improve construction using the three dimensional network of the specific model
The anchoring effect on slope improves construction quality.
S203：Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and spray
The Nutrition Soil of preparation is penetrated in formation Nutrition Soil base on the three dimensional network.
Wherein, the soil parameters includes at least amount containing soil and acid-base value；Injection the Nutrition Soil base 2 thickness by
The amount containing soil and acid-base value of the side slope soil property determine.The Nutrition Soil can be used for improveing side slope soil to improve the germination of grass-seed
Rate and survival rate, and then improve afforestation effect.The Nutrition Soil is prepared by following manner：Clayed soil is pulverized and sieved,
Weigh clayed soil, base manure, composite fertilizer, binder, water-retaining agent after described pulverize and sieve respectively according to preset weight part, then
Be sufficiently stirred after mixing to get.Wherein described preset weight part includes：The clayed soil of 8-11 parts by weight, 1-3 parts by weight
Base manure, the composite fertilizer of 0.001-0.005 parts by weight, the binder of 0.1-0.4 parts by weight, 0.1-0.5 parts by weight water-retaining agent.
The clay content of the clayed soil is 30%-50%；The plasticity index of the clayed soil is 17-32；The base manure includes
At least one of the chemical fertilizer of stack retting mushroom fertilizer, farm manure, pond sludge, stack retting rice bran, fertile soil, phosphorous potassium；The composite fertilizer
For the composite fertilizer containing nitrate nitrogen；The water-retaining agent is acrylamide and acrylic acid salt crosslinking copolymerization object.
The Nutrition Soil prepared using the above method, on the one hand can improve the granule that Nutrition Soil occurs after a period of use
Structure persistently supplies moisture needed for plant growth, drought resisting, water-saving fertilizer-saving, to improve the hair of taking root of slope greening grass blanket seed
Bud rate ensures the growth quality of plant, Prolong green period, and then improves slope greening effect；On the other hand, this method operation letter
It is single, it is time-consuming short, effectively increase the construction efficiency of slope revegetation engineering.
S204：In the anchor ditch for the top of the slope that the careless blanket front end of environmental protection containing grass-seed is laid on the side slope and with the fixing piece
Then the careless blanket of the environmental protection is unfolded to be laid with from top to down by anchoring, be pressed in environmental protection grass blanket described in next stage when being laid with overlap joint
Under environmental protection grass blanket described in level-one, while the overlap is anchored with the fixing piece and is reinforced, and the adjacent careless blanket of the environmental protection
Overlap width be more than 10cm.
Specifically, as shown in fig. 6, the fixing piece 5 is U-shaped nail, the U-shaped nail can use the bar material of diameter 8mm
It constitutes, stronger fixation can be kept.Wherein, U-shaped described in every square meter when being fixed to the three dimensional network 1 and the careless blanket 4 of the environmental protection
Nail no less than 6 is conducive to construction so that three dimensional network 1 and the careless blanket of environmental protection 4 are fixed smooth, secured.
Please refer to Fig. 5, wherein to 4 overlapping mode of the three dimensional network 1 and the careless blanket of environmental protection, lap width is not less than
10cm, the fixed effect of the three dimensional network 1 can be improved so that it can more by crossing the width that overlap is arranged and fixing piece 5
It is effectively fixed in side slope, is conducive to follow-up greening construction.
In the present embodiment, the type of the grass-seed is determined by side slope soil property amount containing soil and acid-base value.The grass-seed
May include one or more of Festuca Arundinacea, torch, false indigo, locust tree, elm.After being grown because of such grass-seed, well developed root system,
Survival ability is strong, manages and protects conveniently, protection effect is more preferable.Meanwhile according to green requirement again, in order to reduce maintenance cost to the greatest extent, in grass
In seed selection, Festuca Arundinacea, torch, false indigo, locust tree, elm well developed root system is generally selected to manage and protect and facilitate nursery stock, in one embodiment
In, Festuca Arundinacea is pressed per 20 grams of configurations of square meter, other several seed weights are pressed per 40 grams of configurations of square meter.
In addition it is to ensure grass-seed large-area construction bud ratio, before large-area construction, it is necessary to first test seed germination rate, such as
Bud ratio is relatively low, it is necessary to replace seed immediately and retest.Seed must be handled before sowing grass seeds by duster, ensure that seed can be uniformly
Sprout simultaneously, seed treatment the purpose is to reduce pest and disease damage and promote seed ahead of time germinate.Specific method can be：
Initial point selection：Choose healthy, full grains vegetable seeds；
Seed disinfection：In the seed disinfection liquid that solution concentration is 4%-6%, selected seed is impregnated 2-3 hours；
Additive treating：It is small that seed after disinfection is put into immersion 2-3 in the additive that solution concentration is 0.1 ‰ -0.2 ‰
When, the additive is 1 by volume ratio:1 promoter and germinator composition；
Seed soaking：The seed is sterilized with after additive treating, is put into the water of preset temperature and is carried out according to preset time
It impregnates.
In the seed soaking step, further, Robinia pseudoacacia Seeds, false indigo seed, shrub lespedeza seed, Caragana Microphylla Seed are put into
It is impregnated for the first time 24 hours in the water that temperature is 50-60 DEG C；Unexpanded seed is in 50-60 DEG C of water after first time is impregnated
Second of immersion 24 hours；Unexpanded seed, which is put into 100 DEG C of boiling water, after impregnating for second boils 10 seconds, places into 5-30 DEG C
It is impregnated 24 hours in water.
In another embodiment, alfalfa seed, prairie milk vetch seed, Trifolium repense seed are put into 35~40 DEG C of water and impregnate 12
Hour.
In another embodiment, tall fescue seed, coreopsis seed are put into 5-30 DEG C of water and are impregnated 12 hours；It is wherein every
A water was changed every 3 hours, to ensure in water containing sufficient oxygen.
By taking Festuca Arundinacea grass-seed as an example, reach 15 degree or more in temperature, normally 1 week or so Festuca Arundinacea will be sent out after sowing grass seeds by duster
Bud, entire slope surface will greening, 10 to 15 days or so, other seeds will germinate, and wait for 1 month to 1 half a month or so Festuca Arundinacea
It grows up, Festuca Arundinacea impacts other seedling growths in order to prevent, and using needle Festuca Arundinacea class herbicide, Festuca Arundinacea is killed,
Retain other plant.
In another embodiment, more convenient for some maintenances, it does not require nothing more than again green, also requires certain landscape effect
, Festuca Arundinacea, alfalfa, false indigo, red clover, coreopsis, caragana microphylla, prairie milk vetch, shrub lespedeza etc. on selection of seedling, per square meter
Based on 60 grams, each seed is equal in weight.
The careless blanket grass-seed, that is, seed of environmental protection is handled by the above method, the careless blanket seed of slope greening environmental protection can be not only eliminated and take
Disease carrying germ can also improve the resistance of seed, effectively reduce the incidence of the careless blanket seed of slope greening environmental protection.Use present invention side
The careless blanket percentage of seedgermination of method treated slope greening environmental protection is up to 93% or more, and the survival rate of seedling is up to 90% or more, significantly
Improve slope greening effect.
S205：The careless blanket of the environmental protection of laying is conserved.
Specifically, can be conserved using waterwheel, and the nozzle on the control waterwheel and the slope surface of the side slope
Distance, water yield and movement speed, so that the water sprayed nebulizes and equably moistens the slope surface.It can be prevented in this way by seed
It breaks up, improves percentage of seedgermination and survival rate, and then improve slope greening effect.
In order to further increase slope greening effect, when maintenance, in the first preset number of days, supported using the waterwheel
Water spray pours the slope surface when shield；After first preset number of days, in the second preset number of days, carried out using the waterwheel
Fertilizer is added in the water of pouring when maintenance, to improve seed young shoot and growth of seedling.
Specifically, first preset number of days can be 45 days, i.e. seed maintenance early period generally 45 days, germination period 15 days
Depth of wetted soil control is gradually increased depth of wetted soil to 5cm or more, early period in 2cm or so, Seedling Stage according to the development of root system of plant
Curing time is that twice, once in the morning and once at night, morning curing time should be completed before 10 points, and maintenance in afternoon should be 16 for maintenance daily
Start after point, avoids carrying out wet curing under strong sunlight, in order to avoid cause physiological water shortage and induce pest and disease damage.In height
Warm arid season, seed young shoot and seedling should increase 1-2 maintenance daily since ground high temperature is easy injury；It rains or cloudy
Maintenance number can suitably be reduced.
Late maintaining is to promote seedling growth, and the fertilizer such as composite fertilizer and urea can be added in watering pours water after 45 days, is applied fertilizer
Principle it is multiple on a small quantity, urea by per acre 2 kilograms, composite fertilizer by 2 kilograms per acre applications.The fertilising period is 30-45 days or so, i.e.,
Second preset number of days is 30-45 days, specifically depending on seedling growth situation.
Wherein, the gradient of the side slope is less than degree.When gradient difference, the anchoring effect of three-dimensional web structure can be influenced, with
And the degree that grass-seed is washed.Embodiment of the present disclosure said program, which has the side slope of the gentle gradient less than 45 degree, preferably to be applied
Work efficiency fruit so that the three-dimensional web structure can be more effectively fixed on compared on gradient slope, be constructed conducive to subsequent slope greening, into
And slope greening construction effect can be improved.
Above-described embodiment of the disclosure, being used for different side slopes has targetedly construction method, such as in the gradient
When being 45~60 degree, the careless blanket construction method of the environmental protection without grass-seed is combined using three dimensional network, improves slope greening antiscour function,
Prevent heavy rain erosion side slope, the grass-seed in Nutrition Soil base is avoided to be flushed away, environmental protection grass blanket provides suitable growth for vegetation
Environment, plant growth is vigorous, and afforestation effect is good.When the gradient is less than 45 degree, i.e., for more gentle side slope, using three dimensional network
In conjunction with the careless blanket construction method of environmental protection containing grass-seed.There is specific aim very much in this way, for different soil properties, the side slope of different gradient,
Adaptable construction method and the Nutrition Soil wherein used and grass-seed are determined, so as to improve construction quality, and conducive to grass
It the germination of seed and survives, and then slope greening effect can be improved.It can effectively prevent rain drop erosion in the present embodiment, avoid grass-seed
It is flushed away, nutrition soil layer provides suitable growing environment for vegetation grass-seed, keeps plant growth vigorous, can realize good road
The greening vegetation effect of road bank protection, meets actual operation requirements..
In the description of the disclosure, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
It describes the disclosure and simplifies to describe, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore should not be understood as the limitation to the disclosure.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the disclosure, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the disclosure unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the disclosure.
In the disclosure unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the disclosure.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (10)
1. a kind of three dimensional network combines the careless blanket slope protection construction method of environmental protection, which is characterized in that this method includes：
Side slope is pre-processed, including obtains the side slope soil parameter, and the Slope leveling is made to stablize；
The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network to slope foot, and when laying makes the three dimensional network sprawl smooth-going
And tense, three dimensional network described in next stage is pressed in and realizes and overlaps under three dimensional network described in upper level, is used in combination described in fixing piece anchors
Three dimensional network；Wherein, the overlap width is not less than 10cm between the three dimensional network, while the overlap is with described solid
Determine part anchoring to reinforce；
Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and spray preparation
The Nutrition Soil is in formation Nutrition Soil base on the three dimensional network；
The soil of mixotrophism containing grass-seed sow grass seeds by duster in the Nutrition Soil base；Nutrition Soil in the wherein described soil of mixotrophism containing grass-seed
Consistent with the ingredient of Nutrition Soil base, the grass-seed determines according to the soil parameters；
The careless blanket of environmental protection without grass-seed is unfolded to be laid with from top to down from top of the slope, is laid with environmental protection grass blanket described in next stage when overlapping
It is pressed under environmental protection grass blanket described in upper level, while the overlap is anchored with the fixing piece and reinforced, and the adjacent ring
The overlap width for protecting careless blanket is more than 10cm；
The careless blanket of the environmental protection of laying is conserved.
2. construction method according to claim 1, which is characterized in that the gradient of the side slope is 45~60 degree.
3. a kind of three dimensional network combines the careless blanket slope protection construction method of environmental protection, which is characterized in that this method includes：
Side slope is pre-processed, including obtains the side slope soil parameter, and the Slope leveling is made to stablize；
The top of the slope of the side slope after the pre-treatment is laid with downwards three dimensional network to slope foot, and when laying makes the three dimensional network sprawl smooth-going
And tense, three dimensional network described in next stage is pressed in and realizes and overlaps under three dimensional network described in upper level, is used in combination described in fixing piece anchors
Three dimensional network；Wherein, the overlap width is not less than 10cm between the three dimensional network, while the overlap is with described solid
Determine part anchoring to reinforce；
Nutrition Soil ingredient is determined according to the soil parameters, Nutrition Soil is prepared based on the Nutrition Soil ingredient, and spray preparation
The Nutrition Soil is in formation Nutrition Soil base on the three dimensional network；
The careless blanket of environmental protection containing grass-seed is unfolded to be laid with from top to down from top of the slope, is laid with environmental protection grass blanket pressure described in next stage when overlapping
Under the environmental protection grass blanket described in upper level, while the overlap is anchored with the fixing piece and is reinforced, and the adjacent environmental protection
The overlap width of careless blanket is more than 10cm；
The careless blanket of the environmental protection of laying is conserved.
4. construction method according to claim 3, which is characterized in that the gradient of the side slope is less than 45 degree.
5. according to the construction method of claim 1 or 3, which is characterized in that conserve, wrap to the careless blanket of the environmental protection of laying
It includes：
It is conserved using waterwheel, and controls the nozzle on the waterwheel at a distance from the slope surface of the side slope, water yield and shifting
Dynamic speed, so that the water sprayed nebulizes and equably moistens the slope surface.
6. according to the construction method of claim 1 or 3, which is characterized in that the three dimensional network is EM4 type three dimensional networks, unit plane
Product quality 350g/m2, transverse direction and longitudinal direction tensile strength is 2kN/m.
7. according to the construction method of claim 1 or 3, which is characterized in that the fixing piece is U-shaped nail.
8. construction method according to claim 1 or 3, which is characterized in that solid to the three dimensional network and the careless blanket of the environmental protection
Fixing piece is no less than 6 described in the every square meter of timing.
9. according to the construction method of claim 1 or 3, which is characterized in that the soil parameters includes at least amount containing soil and acid
Basicity；The thickness of the type of the grass-seed and the Nutrition Soil base of injection is by side slope soil property amount containing soil and acid-base value
It determines.
10. construction method according to claim 1 or 3, which is characterized in that the grass-seed includes Festuca Arundinacea, torch, purple fringe
One or more of Chinese scholartree, locust tree, elm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810833568.XA CN108677975A (en) | 2018-07-26 | 2018-07-26 | A kind of careless blanket slope protection construction method of three dimensional network combination environmental protection |
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| CN201810833568.XA CN108677975A (en) | 2018-07-26 | 2018-07-26 | A kind of careless blanket slope protection construction method of three dimensional network combination environmental protection |
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Application publication date: 20181019 |