CN107100176B - A kind of expressway slope greening system - Google Patents
A kind of expressway slope greening system Download PDFInfo
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- CN107100176B CN107100176B CN201710269308.XA CN201710269308A CN107100176B CN 107100176 B CN107100176 B CN 107100176B CN 201710269308 A CN201710269308 A CN 201710269308A CN 107100176 B CN107100176 B CN 107100176B
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of expressway slope greening systems, its key points of the technical solution are that: include slope trimming cleaning, planting soil and lower base manure, linked network anchor pole, sow grass seeds by duster, earthing of sowing grass seeds by duster, protection of sowing grass seeds by duster, fixed point unwrapping wire, the plantation and protection for digging cave and nursery stock;Have the effect of that side slope vegetation is made to have high survival rate, slope landscape grace, speed of application fast and vegetative coverage stability of slope.
Description
Technical field
The present invention relates to slope greening technical fields, more specifically, it relates to a kind of expressway slope greening system.
Background technique
In highway construction, municipal works or gardens project construction, the bare side sloping that exploitation massif often will cause, bare side sloping
It is unfavorable for landscape effect harmony, and because side slope has compared with High angle, side slope soil property is easy to be lost, especially through rain drop erosion, erosion
After quarter, side slope soil property is more loose easily to occur cave-in accident, therefore side slope is needed to be repaired and afforested.
It is big to the damage envelope of natural environment since the range that slope of highway is distributed along highway is wide, therefore we need to adopt
With greening means of defence appropriate, highway is made to have the characteristics that safety, comfortable, beautiful, in accordance with natural environment;Traditional slope of rock mass
Plant landscape method be to transplant climber in slope foot, top of the slope plants Hanging Plants or dig planting groove or fish-scale pit on scar to plant
Plant the realizations such as edge, Hanging Plants and flowering shrub greening;Several slope species technologies are developed in recent years, as geotechnical grid grass planting protects
Slope technology and geotechnological three-dimension vegetative net technology etc., there is speed of applications for these methods slowly, maintenance is difficult, survival rate is low, plants
The disadvantages of long, green period is short the time required to being capped entire slope surface.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of expressway slope greening system,
Have the effect of improving its speed of application, survival rate height and vegetative coverage stability of slope.
To achieve the above object, the present invention provides the following technical scheme that
A kind of expressway slope greening system, comprising the following steps:
S1, design grade cleaning and the smooth gradient are pressed;
S2, planting soil, and watered slope surface with water;
S3, galvanized wire mesh is hung on side slope upper berth, when construction takes advantage of a situation galvanized wire mesh under paving along slope surface, and when laying tenses
Galvanized wire mesh is fixed galvanized wire mesh with long anchor pole and Short bolt, and make galvanized wire from top to bottom after laying is smooth
Net keeps 3~5cm at a distance from slope surface, and long anchor pole is staggered with Short bolt, and transverse direction and longitudinal direction spacing is 1m, and gauze pad is fixed
In in side slope;
S4, uniformly mixed substrate is sprayed on gauze pad to be formed using hydroseeder and adheres to platform, then will kind using careless machine is sprayed
Uniformly spray is shone to the surface of side slope after seed, the agent of high order granule and composite fibre mixing;
S5, the uniform earthing on the gauze pad for spraying grass seeds mixture;
Non-woven fabrics is covered on earthing after S6, injection;
S7, fixed point unwrapping wire, every plant of strain position is done on non-woven fabrics and makees telltale mark;
S8, digging cave is carried out at telltale mark, and pad one layer through sufficiently decomposed base manure in plant pit;
S9, it nursery stock is trimmed is colonized again.
So set, the cleaning and smooth gradient makes slope surface keep a clean and tidy smooth gradient state, is convenient for later period substrate
It sows grass seeds by duster in slope surface and the covering of soil, improves the plantation stability of vegetation;Greenery patches ground is lower than roadside or road tooth simultaneously
It leads to municipal drainage pipe well along the line and by the surface water, reduces the aqueous degree of slope surface entirety, humidity is excessive and cause when the reduction rainy day
Come down phenomenon, improves the safety and stability performance of slope surface.
Further setting, is cleared up and the smooth gradient is the following steps are included: plantation earth's surface is pressed the smooth greening of design requirement by (1)
Ground, while removing gravel weeds sundries;(2) smooth to want consequent relief and ambient enviroment, it is made into turtleback shape or slope shape, the gradient is fixed
Between 2.5%~3.0% benefit for draining;(3) all greenery patches ground along roadside or road tooth in 50~100cm wide are lower than road
30cm along the tooth of the road Bian Huo, and the surface water is led into municipal drainage pipe well in floor treatment.
So set, slope surface is made to keep a clean and tidy smooth gradient state, sow grass seeds by duster convenient for later period substrate in slope surface, together
When convenient for later period soil covering, vegetation plantation effect;Initial stage by adding water on planting soil, can make slope surface keep certain
Water content, utilize the growth with seed;Galvanized wire mesh stabilization is attached in slope surface by anchor pole, while galvanized wire mesh
A good base station can be provided to vegetation growth, play the role of reducing stone, soil block tenesmus, and there are good anti-corrosive properties
The stability of energy and structure hangs its paving more stable by that will spread extension sequence from top of the slope to bottom of slope;When kind of a plant substrate
After being installed on slope surface, then uniformly mixed substrate is sprayed on gauze pad by hydroseeder and forms attachment platform, seed is made to have one
A growth platform, then shone by spraying careless machine and uniformly being sprayed after the mixing of seed, the agent of high order granule and composite fibre to the surface of side slope,
Make seed homoepitaxial;By covering one layer of earthing to it after sowing grass seeds by duster, the seed of face layer is set to play the role of protection, then pass through
Non-woven fabrics temporarily covers, and plays the role of reducing rain drop erosion, and have certain gas permeability, guarantees vegetation growth;Later again
To line setting is carried out on non-woven fabrics, digging cave is carried out in slope surface convenient for the later period, it is more preferable to the integral layout of slope vegetation plantation
Control, improve the stability of whole side slope convenient for the growth of vegetation root system finally by plantation shrub etc., plant careless class
It is grown when object and similar tree, improves the phenomenon that greening side slope system side slope forms good protective effect, reduces slope and land slide,
The security performance of expressway slope is improved, and improves the greening performance attractive in appearance of side slope;Improve the landscape of expressway slope,
And the natural vegetation destroyed by highway construction can be restored, it conserves water and soil, the effect of ambient enviroment, ecological benefits, when realizing greening
Between it is long, growth survival rate is high, slope landscape is graceful, speed of application is fast and the effect of vegetative coverage stability of slope, and there is uniqueness
Side slope function.
Further setting, the planting soil the following steps are included: (1) by pH value be 5.5~7.5 planting soil with ground
Lower layer's connection, and keep soil capillary, liquid, gas up and down;(2) ground quilt is formed after planting soil plantation, to plantation
Soil applies fertilizer, and ground is carried out after fertilising, and a 20~30m is deep to plough, and fertilizer and planting soil are mixed well.
So set, improving demand of the vegetation to soil, it is convenient for vegetation late growth, while makes soil that there is certain pine
Softness, convenient for the growth of young plants, and Soil and Fertilizer is uniformly mixed, and keeps plant absorption uniform, convenient for the whole growth of plant.
Further setting, anchor bolt construction step advanced anchor of top of the slope the following steps are included: (1) first constructs before earth excavation
It manages, after 70% that design strength is reached with slip casting intensity, carries out the earthwork construction of slope surface;(2) earthwork is ended to first row anchor pole and is set
0.2m below seated position, first row anchor pole of constructing, linked network pad after anchor bolt construction, gunite concrete;(3) band first row anchor pole
After injecting cement paste and gunite concrete surface layer reach the 70% of design strength, downward earth excavation;(4) above-mentioned (2), (3) step are repeated
Suddenly, until the elevation of earth excavation to the design grade.
So set, improving anchor pole is installed on the stability in slope surface to galvanized wire mesh, makes the substrate in the later period, covers
Soil, vegetation are attached in slope surface by the way that galvanized wire mesh is stable, improve the safety that later period planting location is integrally attached to slope surface
Stability also improves the stability of vegetation growth.
Further setting is sowed grass seeds by duster the following steps are included: the base material mixture that (1) will be uniformly mixed using concrete sprayer
High-pressure injection is in forming attachment platform on gauze pad, attachment platform average thickness is 6~9cm, and there are the matrix materials of 3cm on gauze pad
Material;(2) it after mixture injection, is uniformly sowed grass seeds by duster with spraying after careless machine mixes seed, the agent of high order granule and composite fibre in substrate
It on mixture, sows grass seeds by duster with a thickness of 2cm, and has 60% or more metal mesh capped after the completion of sowing grass seeds by duster;(3) after sowing grass seeds by duster sooner or later daily
Watering is gradually reduced irrigation times after Cheng Ping to keep ground moistening.
So set, the stable connection performance between vegetation growth base and slope surface on the one hand can be improved, plant is also improved
To the attachment stability of slope surface, the agent of high order granule is attached on substrate by spraying machine injection, makes substrate and seed in growth
With water-retaining property, nutrient preserving capability, and there are water penetration, gas permeability, moreover it is possible to be effective against weathering and wind erosion, prevent erosion, to plant
Object growth provides best guarantee, and the vegetation base for being most suitable for plant growth is made;Improve the survival rate of the growth of vegetation.
Further setting: the proportion of the substrate is as follows: wood-fibred 300g/m2, every tank usage amount 150kg, chemical fertilizer 10g/m2
Every tank usage amount 8kg, adhesive 6g/m2, every tank usage amount 3kg, peat 380g/m2, every tank usage amount 220kg, peat soil
600g/m2, every tank usage amount 300kg.
So set, wood-fibred has certain flexibility, convenient for the growth of vegetation root system, and by adhesive and chemical fertilizer,
Peat soil, peat are sufficiently mixed, and form good substrate, and convenient for forming good growth substrate to vegetation, peat soil has
Certain humidity and nutriment, further increases the growth at plant initial stage.
Further setting, fixed point unwrapping wire is the following steps are included: (1) measures every plant of tree plant with measuring tool by design requirement
Position;(2) it is marked on non-woven fabrics by marking pen, and by the tree species title of plant, the specification of specification size and hole
Show.
So set, carrying out digging cave in slope surface convenient for the later period, the integral layout of slope vegetation plantation is preferably controlled,
Also the precision of construction in later period is improved, and corresponding corresponding vegetation is easily operated, and construction in later period is convenient for.
Further setting: digging in cave and widen 40~80cm of amplification by regulation root range range or soil ball, and intensification 20~
30cm stacks surface soil with subsoil when digging cave respectively, and the size of plant pit keeps wound edge and base vertical.
So set, convenient for the placement to plant, while corresponding nutrition can be added during later period pre-buried soil
Object and pre-buried space, convenient for the growth at plant initial stage, while to soil pile up separately be also convenient for the later period bury hole layered it is pre-buried
Effect.
Further setting: in trimming plantation, depth than original soil should deep 2~3cm, not nest root when plant is adjacent before plantation
Difference is no more than 50cm between tree species, and diameter of a cross-section of a tree trunk 1.3 meters above the ground difference is no more than 1cm, puts seedling and enters cave center and righting, and cave hole is expired in back-filling in layers, and
So that native face is covered the rootstock position of trees, when inserting at surface soil cave deep 2/3, gently mentions seedling, then one layer of pine is covered on plant pit surface
Soil.
So set, the growth for keeping vegetation unified, it is different to reduce vegetation growth, and reduces and grow phase between adjacent vegetation
Mutually masking;Root is mentioned when pre-buried upwards simultaneously, makes to reduce the mutual extrusion between root, improve between root and soil
Attaching space, convenient for the growth of vegetation root system.
Further setting: when beating anchor pole, long every square metre of anchor pole usage amount no less than 40, Short bolt in anchor pole dosage
Usage amount is no less than 150.
So set, be attached to anchor pole in slope surface galvanized wire mesh stabilization, at the same according to the concrete condition of slope surface or
The degree of packing of person's slope surface uses corresponding anchor pole in different places, improves the firmness of galvanized wire mesh attachment, and can reach
The utilization rate of anchor pole is improved, later period vegetation is improved and is attached to the effect in slope surface by the stabilization of galvanized wire mesh.
By using above-mentioned technical proposal, the present invention compares compared with the prior art: growth when making straw or like vegetable and setting similar,
The phenomenon that greening side slope system side slope forms good protective effect, reduces slope and land slide is improved, expressway slope is improved
Security performance, and improve side slope greening performance attractive in appearance;Improve the landscape of expressway slope, and can restore to be built by highway
If the natural vegetation destroyed, conserves water and soil, the effect of ambient enviroment, ecological benefits, realize that the greening time is long, grows survival rate
Height, slope landscape are graceful, speed of application is fast and the effect of vegetative coverage stability of slope, and have the function of unique side slope.
Specific embodiment
Expressway slope greening system is described further below.
A kind of expressway slope greening system, include slope trimming cleaning, planting soil and lower base manure, linked network anchor pole,
It sows grass seeds by duster, earthing of sowing grass seeds by duster, protection of sowing grass seeds by duster, fixed point unwrapping wire, the plantation and protection for digging cave and nursery stock;Steps are as follows for its Specific construction.
One, slope trimming cleaning includes the following steps
(1) plantation earth's surface is pressed into the smooth Green space of design requirement, while removes gravel weeds sundries;
(2) it is smooth will consequent relief and ambient enviroment, be made into turtleback shape or slope shape, the gradient be scheduled between 2.5%~3.0% with
Benefit draining;
(3) all greenery patches ground along roadside or road tooth in 50~100cm wide are lower than 30cm along roadside or road tooth,
And the surface water is led into municipal drainage pipe well in floor treatment.
Two, planting soil and lower base manure include the following steps
(1) planting soil that pH value is 5.5~7.5 is connect with subterranean layer, planting soil depth requirements are greater than for meadow
20cm, flowering shrub require to be greater than 30cm, and arbor then requires the qualified soil layer for having greater than 80-150cm around plantation soil ball, and protects
Hold soil capillary, liquid, gas up and down;
(2) ground quilt is formed after planting soil plantation, applied fertilizer to planting soil, ground is carried out a 20~30m after fertilising
Deep ploughs, and fertilizer and planting soil are mixed well, accomplishes that loam frost melts, plays and both improve soil nutrient, and arbor, shrub should be
Loam is mixed on cave side before plantation, is sequentially placed into cave bottom and planting bed.
Three, linked network anchor pole includes the following steps
Galvanized wire mesh is hung on side slope upper berth, when construction takes advantage of a situation galvanized wire mesh under paving along slope surface, and when laying tenses plating
Zinc-iron silk screen is fixed galvanized wire mesh with long anchor pole and Short bolt after laying is smooth from top to bottom, when fixed, according to need
Will be in the galvanized wire underbed off the net using different-thickness, and galvanized wire mesh is made to keep 3~5cm, long anchor at a distance from slope surface
Bar is staggered with Short bolt, and transverse direction and longitudinal direction spacing is 1m;At top of the slope, galvanized wire mesh stretches out top of the slope and bottom of slope
20cm, and the galvanized wire mesh of bottom of slope is placed in platform bankets;It is every square of anchor pole usage amount long in anchor pole dosage when beating anchor pole
No less than 40, rice, Short bolt usage amount is no less than 150.
Wherein, anchor pole construction the following steps are included:
(1) the advanced anchor tube of top of the slope of first constructing before earth excavation after reach design strength with slip casting intensity 70%, carries out
The earthwork construction of slope surface;
(2) earthwork is ended to 0.2m below first row anchor pole setting position, first row anchor pole of constructing, after anchor bolt construction
Linked network pad, gunite concrete;
(3) after reach design strength with first row bolt grouting body and gunite concrete surface layer 70%, downward spoil
Side;
(4) above-mentioned (2), (3) step are repeated, until the elevation of earth excavation to the design grade.
Following test has been carried out to anchor pole before to anchor bolt construction simultaneously:
(1) pulling test is carried out to anchor pole according to specification, test data is no less than the 5% of every layer of anchor pole quantity, and no less than
3;
(2) in order to control the horizontal displacement of side slope, the good prestressing force of generation, prestressing force most anchor pole power are spaced on every layer of anchor pole
The free segment of 2m is arranged in the 70% of design value, prestressed anchor;
(3) preservative treatment of anchor pole: a. anchoring section body of rod housing bellows, pipe internal pore are filled with cement mortar, casing
Surrounding protection layers thickness is less than 1cm, and free segment body of rod surface applies lubricating oil, then reports plastic cloth, then apply lubricating oil, finally fill
Enter in plastic bushing;Anchor head exposed parts elder generation pitching, is then sealing, and protective layer thickness is not less than 2.5cm.
Four, it sows grass seeds by duster and includes the following steps
(1) using concrete sprayer that uniformly mixed base material mixture high-pressure injection is flat in forming attachment on gauze pad
Platform, attachment platform average thickness is 6~9cm, and there are the host materials of 3cm on gauze pad;
(2) after mixture injection, the fiber nutrient mud containing grass seeds is uniformly sowed grass seeds by duster in base material mixture with careless machine is sprayed
On, it sows grass seeds by duster with a thickness of 2cm, and have 60% or more metal mesh capped after the completion of sowing grass seeds by duster;
(3) watering is gradually reduced irrigation times after Cheng Ping to keep ground moistening sooner or later daily after sowing grass seeds by duster.
Wherein, the proportion of substrate is as follows: wood-fibred 300g/m2, every tank usage amount 150kg, chemical fertilizer 10g/m2Every tank usage amount
8kg, adhesive 6g/m2, every tank usage amount 3kg, peat 380g/m2, every tank usage amount 220kg, peat soil 600g/m2, every tank
Usage amount 300kg.
Five, it sows grass seeds by duster earthing
After the completion of mixture injection, the fiber nutrient mud containing grass seeds is uniformly sowed grass seeds by duster in base material mixture with hydroseeder
On, and the uniform earthing on the gauze pad for spraying grass seeds mixture.
Six, it sows grass seeds by duster protection
Non-woven fabrics is covered after injection on earthing to prevent rain drop erosion.
Seven, fixed point unwrapping wire includes the following steps
(1) fixed point unwrapping wire is carried out according to design drawing and drawing joint examination summary before nursery stock is planted;
(2) fixed point of arbor is with tape measure, lining rope etc., by the position nail timber of design as field planting and the foundation transplanted,
In case of the barriers such as husky well, pipeline should be avoided when fixed point, the size of design should not be adhered rigidly to, and should be neatly adjusted, and
Upper eye-catching label is done with markers such as paint at the center of every plant of strain position, makees telltale mark;
(3) measuring instrument is utilized, or uses gridding method unwrapping wire, first on the ground with tools such as tape measure, lining ropes according to setting
Corresponding proportion on meter figure is equidistant to pull grid square, and grid can be drawn with lime, can also follow closely a hanging wire, then utilizes these grids
Line makees coordinate in length and breadth, correctly fixed point location on the ground, nails on timber or sprinkles lime and indicates;Guarantee that unwrapping wire place is accurate, line
Road is smooth, and area, size are qualified, measures the position of every plant of tree plant with measuring tool by design requirement;
(4) it is marked on non-woven fabrics by marking pen, and by the tree species title of plant, the specification of specification size and hole
Show.
Eight, cave is dug to include the following steps
(1) acupuncture point is accurate, and length meets the requirements, should be circumferential along four centered on fixed ash point before planting nursery stock
The size of plant hole is planted depending on soil ball specification and root condition in lower digging cave, with soil ball should be 16~20cm bigger than soil ball, pocket is deep
Phenomena such as degree is generally slightly deeper (10~20cm) than soil ball height, and bore is in the same size above and below cave, and cave is without (" the bottom of a pan cave ");
(2) it digs in cave and 40~80cm of amplification is widened by regulation root range range or soil ball, deepen 20~30cm, when digging cave
Surface soil is stacked respectively with subsoil, and the size of plant pit keeps wound edge and base vertical;
(3) after kind plant hole is dug, a little surface soils can be filled out in cave, then pad one layer of sufficiently decomposed base manure of warp, also answered on base manure
The loam of pawnshop a layer thickness 5cm or more.
Nine, the plantation and protection of nursery stock include the following steps
(1) nursery stock is transported to behind construction site and carries out moderate pruning to nursery stock, can be colonized after trimming, the position of field planting should accord with
Close design requirement;
(2) construction method being colonized: mixing well base manure and hack before plant, and arbor in column applies a straight line, and
It is arranged successively by the natural height of plantation nursery stock;Its depth than original soil should deep 2~3cm, not nest root when plant, adjacent tree species before planting
Between difference be no more than 50cm, diameter of a cross-section of a tree trunk 1.3 meters above the ground difference is no more than 1cm, the soil ball of nursery stock is put into kind of plant hole, keeps it placed in the middle;It again will tree
Dry to erect, righting makes it keep vertical;Then cave hole is expired in back-filling in layers, and native face is enable to cover the rootstock positions of trees, just
Step should also check whether trunk still keeps vertically after planting well, and whether there is or not deflections for tree crown;If deflection it is necessary to being subject to righting again;One
Side righting trees add planting soil on one side, and planting soil should be smashed and be layered and be consolidated with waddy, come into full contact with root system with soil, and make
Native face can cover the rootstock position of trees, when inserting at surface soil cave deep 2/3, gently mention seedling, then plant pit surface is covered one layer and is loosened the soil,
Remaining cave soil was earthed up around rootstock one week, do circularize block water cofferdam, the diameter in cofferdam should be slightly bigger than kind of a plant hole
Diameter, it is real that weir soil will clap compression, cannot be loose;
(3) it is supported after field planting, pours first pass water after field planting in 24 hours, soil is made to fully absorb moisture, root system
It combines closely with soil, in favor of root system development;Second of water is poured after 3~5 days, pours third time water within 7~8 days.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of expressway slope greening system, which comprises the following steps:
S1, design grade cleaning and the smooth gradient are pressed;
S2, planting soil, and watered slope surface with water;
S3, galvanized wire mesh is hung on side slope upper berth, when construction takes advantage of a situation galvanized wire mesh under paving along slope surface, and when laying tenses zinc-plated
Wire netting, be laid with it is smooth after, galvanized wire mesh is fixed from top to bottom with long anchor pole and Short bolt, and make galvanized wire mesh with
The distance of slope surface keeps 3~5cm, and long anchor pole is staggered with Short bolt, and transverse direction and longitudinal direction spacing is 1m, and gauze pad is fixed on side
On slope;
S4, uniformly mixed substrate is sprayed on gauze pad to be formed using hydroseeder and adheres to platform, then used and spray careless machine for seed, height
Uniformly spray is shone to the surface of side slope after secondary granule agent and composite fibre mixing, and the proportion of the substrate is as follows: wood-fibred 300g/
m2, every tank usage amount 150kg, chemical fertilizer 10g/m2Every tank usage amount 8kg, adhesive 6g/m2, every tank usage amount 3kg, peat
380g/m2, every tank usage amount 220kg, peat soil 600g/m2, every tank usage amount 300kg;
S5, the uniform earthing on the gauze pad for spraying grass seeds mixture;
Non-woven fabrics is covered on earthing after S6, injection;
S7, fixed point unwrapping wire, every plant of strain position is done on non-woven fabrics and makees telltale mark;
S8, digging cave is carried out at telltale mark, and pad one layer through sufficiently decomposed base manure in plant pit;
S9, it nursery stock is trimmed is colonized again.
2. a kind of expressway slope greening system according to claim 1, which is characterized in that cleaning and smooth gradient packet
Include following steps:
(1) plantation earth's surface is pressed into the smooth Green space of design requirement, while removes gravel weeds sundries;
(2) smooth to want consequent relief and ambient enviroment, it is made into turtleback shape or slope shape, the gradient is scheduled between 2.5%~3.0% with benefit row
Water;
(3) all greenery patches ground in 50~100cm wide along roadside or road tooth are lower than 30cm along roadside or road tooth, and
The surface water is led into municipal drainage pipe well when floor treatment.
3. a kind of expressway slope greening system according to claim 1, which is characterized in that the planting soil includes
Following steps:
(1) planting soil that pH value is 5.5~7.5 connect with subterranean layer, and holding soil capillary, liquid, gas is upper
Lower perforation;
(2) ground quilt is formed after planting soil plantation, applied fertilizer to planting soil, ground is carried out 20~30m depth after fertilising
It ploughs, fertilizer and planting soil is mixed well.
4. a kind of expressway slope greening system according to claim 1, which is characterized in that anchor bolt construction step includes
Following steps:
(1) the advanced anchor tube of top of the slope of first constructing before earth excavation after reach design strength with slip casting intensity 70%, carries out slope surface
Earthwork construction;
(2) earthwork is ended to 0.2m below first row anchor pole setting position, first row anchor pole of constructing, linked network after anchor bolt construction
Pad, gunite concrete;
(3) after reach design strength with first row bolt grouting body and gunite concrete surface layer 70%, downward earth excavation;
(4) above-mentioned (2), (3) step are repeated, until the elevation of earth excavation to the design grade.
5. a kind of expressway slope greening system according to claim 1, which is characterized in that sow grass seeds by duster including following step
It is rapid:
(1) uniformly mixed base material mixture high-pressure injection is adhered into platform in formation on gauze pad using concrete sprayer, it is attached
Platform average thickness be 6~9cm, and there are the host materials of 3cm on gauze pad;
(2) it after mixture injection, is uniformly sowed grass seeds by duster with spraying after careless machine mixes seed, the agent of high order granule and composite fibre in substrate
It on mixture, sows grass seeds by duster with a thickness of 2cm, and has 60% or more metal mesh capped after the completion of sowing grass seeds by duster;
(3) watering is gradually reduced irrigation times after Cheng Ping to keep ground moistening sooner or later daily after sowing grass seeds by duster.
6. a kind of expressway slope greening system according to claim 1, which is characterized in that fixed point unwrapping wire includes following
Step:
(1) position of every plant of tree plant is measured with measuring tool by design requirement;
(2) it is marked on non-woven fabrics by marking pen, and by the specification table of the tree species title of plant, specification size and hole
It is bright.
7. a kind of expressway slope greening system according to claim 1, it is characterised in that: dig in cave through regulation root
Width range or soil ball widen 40~80cm of amplification, deepen 20~30cm, stack surface soil respectively with subsoil when digging cave, and plant pit
Size keep wound along and base vertical.
8. a kind of expressway slope greening system according to claim 1, it is characterised in that: in trimming plantation, depth
Degree than original soil should deep 2~3cm, not nest root when plant, difference is no more than 50cm between adjacent tree species before planting, and diameter of a cross-section of a tree trunk 1.3 meters above the ground difference does not surpass
1cm is crossed, seedling is put and enters cave center and righting, cave hole is expired in back-filling in layers, and native face is enable to cover the rootstock position of trees, inserts table
When at soil pit deep 2/3, seedling is gently mentioned, then plant pit surface is covered one layer and is loosened the soil.
9. a kind of expressway slope greening system according to claim 1, it is characterised in that: when beating anchor pole, anchor pole
Long every square metre of anchor pole usage amount no less than 40 in dosage, Short bolt usage amount is no less than 150.
Priority Applications (1)
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CN108967020A (en) * | 2018-10-09 | 2018-12-11 | 湖南湘植园林科技有限公司 | A kind of red sandrock side slope replies immediately green method fastly |
CN110301277A (en) * | 2019-05-27 | 2019-10-08 | 广东景园设计工程有限公司 | A kind of afforestation project construction technology |
CN110629767A (en) * | 2019-09-12 | 2019-12-31 | 中冶京诚工程技术有限公司 | Roadbed slope protection structure and manufacturing method and application thereof |
CN111328642A (en) * | 2020-03-03 | 2020-06-26 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Full-ecological slope spray seeding structure and construction method |
CN112243788A (en) * | 2020-10-22 | 2021-01-22 | 承德京城矿业集团有限公司 | Method for soft foundation slope geomembrane nutrition pot composite afforestation and locust thereof |
CN114027080A (en) * | 2021-11-05 | 2022-02-11 | 宁夏霄霞生态科技股份有限公司 | Ground cover seedling tortoise back type planting construction method |
CN117517137B (en) * | 2024-01-08 | 2024-03-19 | 四川公路工程咨询监理有限公司 | Device and method for testing liquid plastic limit of cohesive soil in mineral powder |
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CN203334299U (en) * | 2013-07-04 | 2013-12-11 | 中铁第四勘察设计院集团有限公司 | Coir mesh ecological protection structure of weathered coarse-grained granite side slope |
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CN104115655A (en) * | 2014-07-14 | 2014-10-29 | 山东潍坊东盛园艺有限公司 | Method for compounding No.2 garden wax nursery stocks to form compound nursery stocks and cultivation method |
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CN102511272A (en) * | 2011-12-12 | 2012-06-27 | 大千生态景观股份有限公司 | Revegetation method for mine slopes |
CN103774679A (en) * | 2012-10-22 | 2014-05-07 | 北京林业大学 | Rock side slope net hanging method |
CN203334299U (en) * | 2013-07-04 | 2013-12-11 | 中铁第四勘察设计院集团有限公司 | Coir mesh ecological protection structure of weathered coarse-grained granite side slope |
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