CN108625381A - High-steep slope protection administering method and safeguard structure - Google Patents
High-steep slope protection administering method and safeguard structure Download PDFInfo
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- CN108625381A CN108625381A CN201810570273.8A CN201810570273A CN108625381A CN 108625381 A CN108625381 A CN 108625381A CN 201810570273 A CN201810570273 A CN 201810570273A CN 108625381 A CN108625381 A CN 108625381A
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- holdfast
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- steep slope
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Classifications
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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
-
- 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
-
- 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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Botany (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of high-steep slope protection administering method and safeguard structures, are related to ecological protection technology field, solve current design manual of protective structures unreasonable the technical issues of causing soil moved in improve the original to be lost in.The high-steep slope protection administering method, includes the following steps：A, slope surface is cleared up；B, holdfast is fixed；C, linked network；D, alien earth sparging；E, it sows grass seeds by duster seed；F, careless blanket is covered；G：Local stiffening anchor pole is fixed.The safeguard structure includes the holdfast being arranged from bottom to top successively in pending side slope, linked network, anchor pole, soil moved in improve the original, seed and careless blanket.The present invention is laid with one layer of careless blanket outside soil moved in improve the original, perfectly solves the problems, such as that soil moved in improve the original anti-impact, careless blanket can just degrade for 35 years, and the antiscour and tensile capacity of careless blanket are strong, and can inhibit moisture evaporation, water moisture self restraint, subenvironment is created for vegetation growth, improves vegetation survival rate.
Description
Technical field
The present invention relates to ecological protection technology fields, are tied more particularly, to a kind of high-steep slope protection administering method and protection
Structure.
Background technology
In recent years, modern construction causes a large amount of high steep bare side sloping, is caused seriously to surface environment
Destruction.It especially cuts into a mountain for quarrying the high gradient slope formed with exploitation of mineral resources, a typically slope is to top, and the gradient is very steep, side
There is no soil moisture, plant to be difficult to grow above slope.
At present routinely using high-steep slope protection administering method using by the way of alien earth sparging, by anchor pole, galvanized net, visitor
Soil and seed composition, soil moved in improve the original can generally be laid with layer of non-woven fabric after the completion and be protected, and non-woven fabrics act as prevention rainwater punching
Brush and inhibition moisture evaporation, but non-woven fabrics decomposition is too fast, will decompose within general 1-3 months, at this time vegetation not yet growth and maturity,
Do not have stronger ability to resist splash erosion, the soil moved in improve the original sowed grass seeds by duster easily is caused to be lost in.
Invention content
The purpose of the present invention is to provide a kind of high-steep slope protection administering method and safeguard structures, to solve the prior art
Present in current design manual of protective structures unreasonable the technical issues of causing soil moved in improve the original to be lost in.
To achieve the above object, the present invention provides following technical schemes：
High-steep slope protection administering method provided by the invention, includes the following steps：
A, slope surface is cleared up：Work surface barrier is removed, the float stone of excavation face and the rock ballast of foundation, deposit are removed；It measures
Unwrapping wire draws holdfast fixed point figure, and gets label ready in slope surface；Carry out holdfast, the statistics of bar-mat reinforcement dosage and blanking；
B, holdfast is fixed：First holdfast is fixed on by the spacing of setting in side slope, upper layer and lower layer holdfast shifts to install；
C, linked network：After holdfast is fixed, linked network is carried out, it is adjacent when linked network is constructed by the way of unreeling from top to bottom
Two be wrapping with net between be attached fixation with tie wire respectively；
D, alien earth sparging：It is uniformly sowed grass seeds by duster onto linked network by setting thickness by spraying machine after soil moved in improve the original is stirred, soil moved in improve the original and extension
Net and slope surface, which combine, forms a porous stable soil structure；
E, it sows grass seeds by duster seed：By the seed handled well and fiber, adhesive, water-retaining agent, composite fertilizer, slow-release fertilizer, microbial bacteria
Fertilizer etc. stirs and evenly mixs into mud of sowing grass seeds by duster by hydroseeder, under the action of sowing grass seeds by duster pump, is uniformly sprayed on working face；
F, careless blanket is covered：Seed carries out being laid with careless blanket after the completion of sowing grass seeds by duster, and is laid with careless blanket downwards from top of the slope, sprawls smooth-going, spreads
If when ensure that careless blanket comes into full contact with slope surface holding, top of the slope is reserved to be not less than 50cm and reinforces fixing, when overlap joint should be noted that will under
Level-one grass blanket is pressed under upper level grass blanket, while reinforcing the U-shaped nail anchoring of overlap.
As a further improvement on the present invention, further include that step G, local stiffening anchor pole are fixed：It drills, then utilizes first
Slurry casting machine carries out slip casting to drilling, is finally putting into anchor pole.
As a further improvement on the present invention, holdfast length 40-50cm, holdfast is by 1 meter of interval arrangement.
As a further improvement on the present invention, linked network is that high zinc-plated prismatic wire netting or high strength plastics reinforce geonet, is hung
Net mesh specification is 5x5cm, and adjacent two pieces of linked network junctions retain at least overlapping of 10cm.
As a further improvement on the present invention, angle is 45 degree between drilling axis and slope surface to be administered, bore diameter ratio
Bolt diameter greatly at least 15mm.
As a further improvement on the present invention, soil moved in improve the original is mixed by grass seeds fertilizer, water-retaining agent, soil, organic matter and stabilizer etc.
It closes.
As a further improvement on the present invention, soil moved in improve the original layer thickness is 8-10cm.
As a further improvement on the present invention, vegetable seeds be Festuca Arundinacea, English ryegrass, alfalfa, false indigo,
It is one or more in shrub lespedeza, the twigs of the chaste tree, caragana microphylla, plant Boston ivy.
As a further improvement on the present invention, careless blanket is single layer shredded coconut meat grass blanket, including online, shredded coconut meat fibrous layer and off line,
Online is made with off line of polyethylene PP nets, and shredded coconut meat length is more than 50mm, passes through polyester PET sewing thread between shredded coconut meat and PP nets
Suture.
The present invention also provides a kind of high-steep slope protection structures, including are arranged from bottom to top in pending side slope successively
Holdfast, linked network, anchor pole, soil moved in improve the original layer, seed and careless blanket.
The present invention by the way that non-woven fabrics is replaced with careless blanket, perfectly solves asking for soil moved in improve the original anti-impact compared with prior art
Topic, careless blanket 3-5 can just degrade, and the antiscour of careless blanket and tensile capacity substantially exceed non-woven fabrics, and moisture can be inhibited to steam
Hair, water moisture self restraint create subenvironment for vegetation growth, improve vegetation survival rate.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the sectional view of high-steep slope protection structure of the present invention；
Fig. 2 is the structural schematic diagram of high-steep slope protection administering method medium-height grass blanket of the present invention；
Fig. 3 is the schematic diagram that holdfast fixes when finishing in high-steep slope protection administering method of the present invention；
Fig. 4 is the schematic diagram of soil moved in improve the original of sowing grass seeds by duster in high-steep slope protection administering method of the present invention；
Fig. 5 is the schematic diagram after alien earth sparging in high-steep slope protection administering method of the present invention.
1 in figure, surf the Internet；2, fibrous layer；3, off line；4, soil moved in improve the original layer；5, careless blanket；6, anchor pole.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of high-steep slope protection administering methods, include the following steps：
A, slope surface is cleared up：Work surface barrier is removed, the float stone of excavation face and the rock ballast of foundation, deposit are removed；It measures
Unwrapping wire draws holdfast fixed point figure, and gets label ready in slope surface；Carry out holdfast, the statistics of bar-mat reinforcement dosage and blanking；
B, holdfast is fixed：First holdfast is fixed on by the spacing of setting in side slope, upper layer and lower layer holdfast shifts to install；
C, linked network：After holdfast is fixed, linked network is carried out, it is adjacent when linked network is constructed by the way of unreeling from top to bottom
Two be wrapping with net between be attached fixation with tie wire respectively；
D, alien earth sparging：It is uniformly sowed grass seeds by duster onto linked network by setting thickness by spraying machine after soil moved in improve the original is stirred, soil moved in improve the original and extension
Net and slope surface, which combine, forms a porous stable soil structure；
E, it sows grass seeds by duster seed：By the seed handled well and fiber, adhesive, water-retaining agent, composite fertilizer, slow-release fertilizer, microbial bacteria
Fertilizer etc. stirs and evenly mixs into mud of sowing grass seeds by duster by hydroseeder, under the action of sowing grass seeds by duster pump, is uniformly sprayed on working face；
F, careless blanket is covered：Seed carries out being laid with careless blanket after the completion of sowing grass seeds by duster, and is laid with careless blanket downwards from top of the slope, sprawls smooth-going, spreads
If when ensure that careless blanket comes into full contact with slope surface holding, top of the slope is reserved to be not less than 50cm and reinforces fixing, when overlap joint should be noted that will under
Level-one grass blanket is pressed under upper level grass blanket, while reinforcing the U-shaped nail anchoring of overlap.
Further include that step G, local stiffening anchor pole are fixed according to the concrete condition of slope surface to be protected：It drills first, it is then sharp
Slip casting is carried out to drilling with slurry casting machine, is finally putting into anchor pole.
Preferably, holdfast length 40-50cm, holdfast is by 1 meter of interval arrangement.
As optional embodiment, linked network is that high zinc-plated prismatic wire netting or high strength plastics reinforce geonet, linked network net
Hole specification is 5x5cm, and adjacent two pieces of linked network junctions retain at least overlapping of 10cm.
In order to give full play to the effect of anchor pole, angle is 45 degree between drilling axis and slope surface to be administered, bore diameter ratio
Bolt diameter greatly at least 15mm.
Preferably, soil moved in improve the original is mixed by grass seeds fertilizer, water-retaining agent, soil, organic matter and stabilizer etc..Soil moved in improve the original layer thickness
For 8-10cm.
Vegetable seeds is that Festuca Arundinacea, English ryegrass, alfalfa, false indigo, shrub lespedeza, the twigs of the chaste tree, caragana microphylla, plant are climbed
It is one or more in the tiger of mountain.Seed is selected to be sowed according to actual conditions.
As shown in Fig. 2, careless blanket 5 is single layer shredded coconut meat grass blanket, including online 1, shredded coconut meat fibrous layer 2 and off line 3, online 1 is under
Net 3 is made of polyethylene PP nets, and shredded coconut meat length is more than 50mm, is sutured by polyester PET sewing thread between shredded coconut meat and PP nets.
As shown in Figure 1, the present invention also provides a kind of high-steep slope protection structures, including it is arranged from bottom to top is waiting locating successively
Manage holdfast, linked network, anchor pole 6, soil moved in improve the original layer 4, seed and the careless blanket 5 in side slope.
The present invention by the way that non-woven fabrics is replaced with careless blanket, perfectly solves asking for soil moved in improve the original anti-impact compared with prior art
Topic, careless blanket 3-5 can just degrade, and the antiscour of careless blanket and tensile capacity substantially exceed non-woven fabrics, and moisture can be inhibited to steam
Hair, water moisture self restraint create subenvironment for vegetation growth, improve vegetation survival rate.
Specific construction flow is as follows：
1, preparation of construction
If safety protection region：Near construction site, pedestrian, vehicle is forbidden to pass through, defines safety protection region, on construction ground
Both ends set construction marker.It is required according to construction safety working specification, selects safety prevention measure, set up steel pipe scaffold, lower berth
Moso bamboo foot handsheet, upper extension protection network, or hanging rope rope is descended from the hilltop, construction of fastening the safety belt.Scaffold building is applied by scaffold building
Work specification is constructed, and site operation personnel are with wearing a safety helmet and necessary labour protection apparatus.
2, preparation before holdfast is fixed
(1) work surface barrier is removed, the float stone of excavation face and the rock ballast of foundation, deposit are removed.
(2) surveying setting-out draws holdfast fixed point figure, and gets label ready in slope surface.
(3) holdfast, the statistics of bar-mat reinforcement dosage and blanking are carried out.
3, lapping, nail net
As shown in figures 1 and 3, geonet is reinforced using high zinc-plated prismatic wire netting or high strength plastics, mesh specification is 5cm
× 5cm, by 1m spacing quincuncial arrangement holdfasts.Holdfast is about 40-50cm, and holdfast is first fixed on cliff by suitable spacing
On, then linked network, uses when linked network is constructed and unreels from top to bottom, adjacent two rolled steel wires net (geonet) is connected with tie wire respectively
Fixation is connect, two net junctions at least require the overlapping for having 10cm.Linked network should be close to work surface, and uniformity.
3, local stiffening anchor pole is fixed
If operation face stability is poor, the soil is porous needs to carry out bolt anchorage, the related work of bolthole construction
Skill and requirement：
(1) hole position being determined according to design requirement and face situation, made a mark, position of opening tolerance is 10cm,
The anchor pole of privileged sites, hole position deviation should be executed by design requirement.
(2) the hole axis direction of anchor pole drills by the direction of design requirement.The hole axis direction of local stiffening anchor pole generally with can
It can opposite and at 45 ° with the tendency of the possible sliding surface angle of cut of glide direction.The angular deviation of various anchor poles should meet design and want
It asks.
(3) bit size must be chosen before drilling, bit diameter should be bigger 15mm or more than bolt diameter, must use " first slip casting
The program of inserted link afterwards ".
The related technique of overall length binding type anchor rod with cement mortar installation and requirement：
(1) anchor rod body is using preceding answering straightening, derust, degrease.
(2) it checks slurry casting machine working performance, before slip casting or when midway is stopped more than 30 minutes, moistens using water or thin cement slurry
Slip pipe road.
(3) mix equal mortar and stone or other sundries prevented to be mixed into, with mix with, initial set before must use finish.
(4) inserted link after first slip casting, Grouting Pipe must first be inserted into bottom hole when slip casting, and 50~100mm starts slip casting note after retrogressing
Slurry pipe is slowly at the uniform velocity extracted with the injection of mortar, after the body of rod is inserted into, if aperture is overflowed without mortar, answers timely after-teeming.Body of rod reinforcing bar
Protective layer thickness not small 8mm after rockbolt installation, must not be tapped arbitrarily.
(5) the related technique and requirement of anchor rod with cement mortar raw material and mortar mix ratio：
1. rod body material uses band Ⅲ hot rolling steel bar, strength of cement mortar grade M25.
2. strength grade is selected to be not less than 32.5 composite Portland cement or Portland cement, the index of cement is answered
Meet the regulation of GB175, the performance indicator of cement should meet existing cement national standard.
3. using medium-fine sand, grain size uses preceding sieving no more than 2.5mm.
4. the quality of mortar water must satisfy regulations of the DL/T5144 in relation to clause.
5. the additives such as diminishing, early strong, rapid hardening can be mixed in mortar as needed, but the additive mixed must not contain
The chemical composition of corrosiveness is generated to anchor pole.If the additive of incorporation reduces the later strength of mortar, it is necessary to through overtesting
Demonstration, ensures that the later strength of mortar meets design requirement.
6. mortar mix ratio (weight ratio) is：
1) cement：Sand=1：(1~2)；
2) cement：Water=1：(0.38~0.45)；
4, alien earth sparging
As shown in Figure 4 and Figure 5, alien earth sparging greening is that grass seeds fertilizer, water-retaining agent, soil, organic matter, stabilizer etc. is mixed
After conjunction object is sufficiently mixed, the engineering slope surface that need to be protected uniformly is sprayed onto by design thickness by spraying machine, has certain thickness to bring up
There is degree resistance to rainwater, wind to corrode, securely ventilative, or more preferably porous stable soil structure similar with natural table soil, to reach
It is similar to nature to landscape and afforests purpose.
Watering moistening slope surface, the mixing materials such as peat, fertile soil, grass fiber, slow-release nutrient fertilizer are passed through before alien earth sparging
It sows grass seeds by duster on wire netting after crossing the stirring of special-purpose machinery, thickness is 8-10cm.Since water supply in media forfeiture can cause stromal thickness
Not enough, it is the 125% of design thickness generally to require jet thickness.
Advantage：
(1) ecological, environmental protective, noise reduction are beautiful, and can be perfectly combined with natural ecological environment.Building is not generated when construction
Rubbish and construction noise.
(2) vegetation selection can diversification, can with the benign ecological vegetation system of self-contained, Qiao, filling, rattan, flower, grass organic knot
It closes, makes vegetation be not easy to degenerate, be conducive to the fast quick-recovery of the ecosystem, side slope environment is reduced into rapidly nature.Significantly
Reduce later maintenance expense.
(3) elemental composition and nutriment that can rationally and accurately lack in supplement soil when filling operation, more conducively vegetation
Growth.
(4) in the restoration of the ecosystem of hard slopes or stone matter slopes, the soil of adequate thickness can be provided for vegetation growth
Earth bad border.
5, it sows grass seeds by duster vegetable seeds
According to operation side soil or scar property, local climate condition, construction seasons, and combine each plant growth
Characteristic selects the seed of plant, and increases the indigenous tree seed in local similar landforms work surface, makes secondary vegetation from now on
Several years in gradually merged with natural, ecological vegetation, the not aobvious trace manually chiseled and carved.
Recommended varieties：Festuca Arundinacea, English ryegrass, alfalfa, false indigo, shrub lespedeza, the twigs of the chaste tree, caragana microphylla, plant are climbed
Mountain tiger.
Festuca Arundinacea：The perennial ground cover plant of grass family, resistance is strong, acidproof, barren-resistant, and disease resistance is strong.
English ryegrass：Pioneer grass species, germinating growth is rapid, increases afforestation effect early period.
Alfalfa：Clover category perennial herb, rhizome is flourishing, and drought-resistant, cold-hot can improve soil.
False indigo：Pulse family machaka, resistance to lean, the drought tolerance that resists cold is strong, and energy fixed nitrogen, requires soil not tight.
Shrub lespedeza：Perennial shrub, drought-enduring, cold-resistant, barren-resistant, acid resistance, saline-alkali tolerant are strong to soil suitability.
The twigs of the chaste tree：Machaka is distributed widely in Chinese the North and South, is the typical case of northern Drought Mountain Area tailo, half tailo
Vegetation, to wasteland bank protection and preventing dust storm from having good Environmental Role, property is strong, resists cold, is drought-enduring, soil that also can be barren-resistant
Earth, rhizome are flourishing.
Caragana microphylla：Pulse family machaka, drought-enduring, cold-resistant, high temperature resistant are the raw shrubberies of drought of arid tract, are NW China, China
East, western North China water and soil conservation and one of the important species fixed the sand, belong to excellent and fix the sand and planting trees on barren hills plant.
Boston ivy：It is strong to climb ability, it is adaptable, it climbs on rock, big tree or wall more；It is tight to soil requirement portion,
Cold-resistant heat-resisting, growth potential is vigorous.It can directly use seedling plant in 2 or three years in V-groove.
Shrub seeds 80 DEG C of hot water (containing seed soaking agent) seed soaking 1 day, herbaceous plant seeds are soaked seed 1-2 hours before sowing grass seeds by duster to be made
Seed water suction moistening.By the seed handled well and fiber, adhesive, water-retaining agent, composite fertilizer, slow-release fertilizer, microbial-bacterial fertilizer
Mud of sowing grass seeds by duster is stirred and evenly mixed into Deng by hydroseeder, under the action of sowing grass seeds by duster pump, is uniformly sprayed on working face.
6, the careless blanket of environmental protection is required and is laid with
(1) the careless blanket introduction of environmental protection
Environmentally friendly grass blanket carries out bare side sloping solid earth greening, has low cost, the fast, low level management easy for construction and resistance to of effect etc.
Advantage gains all advantage in the form of construction work of numerous slope greenings, and has gradually obtained large-scale promotion and application, obtains
Good effect；Careless blanket is using the solid slope plant of plantation and combines the engineering material such as coir, and building one in slope surface has itself
The greening guard system of growth ability, the new ecology reinforced or beautified by the growth side slope of solid slope plant are anti-
Protect engineering technology.
Inherently to see, it can be that vegetable seeds germinating and growth provide the covering of good protection that environmental protection grass blanket, which is a kind of,
Can not only effectively windproof, sun-proof, self-restraint soil moisture, thereon off line and fibre structure can also drink up the rain caused by impact
Energy, flowing of the rainwater in fibrous layer, reduces the scouring force to soil, prevents movement of the soil particle with flow, tool
There is very strong ability to resist splash erosion.It avoids heavy rain and causes slope failure and the generation of mud-rock flow.
(2) use single layer shredded coconut meat grass blanket, kind subtype that should adapt to local weather, environment, soil property situation and meet fast-growing
Demand；
(3) the careless blanket of environmental protection is laid with
At once it is laid with the careless blanket of environmental protection after the completion of sowing grass seeds by duster, is laid with grass blanket downwards from top of the slope, sprawls smooth-going, when laying need to ensure ring
It protects careless blanket to come into full contact with slope surface holding and (slight suppression can be passed through to handle, as plank or idler wheel press through careless blanket), top of the slope is reserved not
Less than 50cm and reinforce fixing, lap width is not less than 5cm between careless blanket, and when overlap joint should be noted that is pressed in upper one by next stage grass blanket
Under the careless blanket of grade, while reinforcing the U-shaped nail anchoring of overlap, careless blanket comes into full contact with slope surface holding, and laying will keep neat
Unanimously, forbid trampling the careless blanket being laid with back and forth in slope surface.
The problem of cannot effectively carrying out slope protection present invention mainly solves non-woven fabrics in alien earth sparging structure, specifically such as
Under：
★ intensity and durability compared with careless blanket is poor, and non-woven fabrics will decompose general some months because of Climate and Environment Variation,
Careless the used polyethylene PP nets of blanket are using external imported material, average durable 8-10, shredded coconut meat 3-5 degradations.
★ non-woven fabrics fibers arrange, in certain direction so being easy to split from right angle orientation；Careless blanket is combined upper using shredded coconut meat
Lower polyethylene PP nets are constituted, shredded coconut meat length requirement 50mm or more, complete whole with PP nets composition one, and are stitched by polyester PET
Linear slit of threading closes, and tensile strength can reach 1.5-30KN/m.
Form environmental pollution after the degradation of ★ non-woven fabrics, and the raw material of the careless blanket of environmental protection is plant fiber, after natural degradation with
Soil is lumped together, and the nutrient matrix of vegetation is become.
The careless blanket of ★ environmental protection can not only effectively windproof, sun-proof, self-restraint soil moisture, off line thereon and fibre structure can also inhale
Energy caused by rain-impact is received, flowing of the rainwater in fibrous layer reduces the scouring force to soil surface, prevent soil
Earth particle has very strong ability to resist splash erosion with the movement of flow.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of high-steep slope protection administering method, which is characterized in that include the following steps：
A, slope surface is cleared up：Work surface barrier is removed, the float stone of excavation face and the rock ballast of foundation, deposit are removed；Surveying setting-out,
Holdfast fixed point figure is drawn, and gets label ready in slope surface；Carry out holdfast, the statistics of bar-mat reinforcement dosage and blanking；
B, holdfast is fixed：First holdfast is fixed on by the spacing of setting in side slope, upper layer and lower layer holdfast shifts to install；
C, linked network：After holdfast is fixed, linked network is carried out, when linked network is constructed by the way of unreeling from top to bottom, adjacent volume two
Between linked network fixation is attached with tie wire respectively；
D, alien earth sparging：Uniformly sowed grass seeds by duster onto linked network by setting thickness by spraying machine after soil moved in improve the original is stirred, soil moved in improve the original and linked network and
Slope surface combines and forms a porous stable soil structure；
E, it sows grass seeds by duster seed：By the seed handled well and fiber, adhesive, water-retaining agent, composite fertilizer, slow-release fertilizer, microbial-bacterial fertilizer etc.
Mud of sowing grass seeds by duster is stirred and evenly mixed by hydroseeder, under the action of sowing grass seeds by duster pump, is uniformly sprayed on working face；
F, careless blanket is covered：Seed carries out being laid with careless blanket after the completion of sowing grass seeds by duster, and is laid with grass blanket downwards from top of the slope, sprawls smooth-going, when laying
Ensure that careless blanket comes into full contact with slope surface holding, top of the slope is reserved to be not less than 50cm and reinforce fixing, and when overlap joint should be noted that next stage
Careless blanket is pressed under upper level grass blanket, while reinforcing the U-shaped nail anchoring of overlap.
2. high-steep slope protection administering method according to claim 1, which is characterized in that further include step G, local stiffening
Anchor pole is fixed：It drills first, slip casting then is carried out to drilling using slurry casting machine, is finally putting into anchor pole.
3. high-steep slope protection administering method according to claim 1, which is characterized in that holdfast length 40-50cm, holdfast
By 1 meter of interval arrangement.
4. high-steep slope protection administering method according to claim 1, which is characterized in that linked network is high zinc-plated prismatic iron wire
Net or high strength plastics reinforce geonet, and linked network mesh specification is 5x5cm, and adjacent two pieces of linked network junctions retain at least weight of 10cm
It is folded.
5. high-steep slope protection administering method according to claim 2, which is characterized in that drilling axis and slope surface to be administered
Between angle be 45 degree, bore diameter at least 15mm bigger than bolt diameter.
6. high-steep slope protection administering method according to claim 1, which is characterized in that soil moved in improve the original is by grass seeds fertilizer, water conservation
Agent, soil, organic matter and stabilizer etc. mix.
7. high-steep slope protection administering method according to claim 1, which is characterized in that soil moved in improve the original layer thickness is 8-10cm.
8. high-steep slope protection administering method according to claim 1, which is characterized in that vegetable seeds is Festuca Arundinacea, more
Year raw rye grass, alfalfa, false indigo, shrub lespedeza, the twigs of the chaste tree, caragana microphylla, transplant it is one or more in Boston ivy.
9. high-steep slope protection administering method according to claim 1, which is characterized in that careless blanket is single layer shredded coconut meat grass blanket,
Including online, shredded coconut meat fibrous layer and off line, online and it is off line be made of polyethylene PP nets, shredded coconut meat length is more than 50mm, shredded coconut meat
It is sutured by polyester PET sewing thread between being netted with PP.
10. a kind of high-steep slope protection structure, it is characterised in that：Including the anchor being arranged from bottom to top successively in pending side slope
Nail, linked network, anchor pole, soil moved in improve the original layer, seed and careless blanket.
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| CN110080251A (en) * | 2019-04-30 | 2019-08-02 | 中国地质大学（武汉） | A kind of construction method of massif side slope protective screen |
| CN110169308A (en) * | 2019-07-04 | 2019-08-27 | 中国水利水电第四工程局有限公司 | A kind of high mountain hills area wind power plant sandy soil greening recovery construction method |
| CN110583374A (en) * | 2019-10-09 | 2019-12-20 | 江西省核工业地质局二六四大队 | Method for repairing waste rare earth mine based on paspalum cultivation |
| CN111484285A (en) * | 2020-03-31 | 2020-08-04 | 中交隧道工程局有限公司 | Paste mortar for tunnel vault mortar anchor rod construction and grouting method thereof |
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| CN111894015A (en) * | 2020-08-14 | 2020-11-06 | 四川川交路桥有限责任公司 | Plant fiber blanket side ditch construction method |
| CN111945754A (en) * | 2020-08-31 | 2020-11-17 | 长江师范学院 | Construction method of side slope plant-growing repair system |
| CN111945755A (en) * | 2020-08-31 | 2020-11-17 | 长江师范学院 | Water distribution and water retention maintenance method for rock slope vegetation base material |
| CN112931075A (en) * | 2021-01-27 | 2021-06-11 | 兖州中材建设有限公司 | Construction process of mining area foreign soil hanging net spray-seeding greening structure |
| CN113133380A (en) * | 2021-05-17 | 2021-07-20 | 兰州大学 | Ecological restoration method for cold and arid region side slope and abandoned mine |
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| CN109566248A (en) * | 2019-01-18 | 2019-04-05 | 三峡大学 | A kind of rock matter adverse slope vegetation establishment method |
| CN110080251A (en) * | 2019-04-30 | 2019-08-02 | 中国地质大学（武汉） | A kind of construction method of massif side slope protective screen |
| CN110169308A (en) * | 2019-07-04 | 2019-08-27 | 中国水利水电第四工程局有限公司 | A kind of high mountain hills area wind power plant sandy soil greening recovery construction method |
| CN110583374A (en) * | 2019-10-09 | 2019-12-20 | 江西省核工业地质局二六四大队 | Method for repairing waste rare earth mine based on paspalum cultivation |
| CN110583374B (en) * | 2019-10-09 | 2022-02-08 | 江西省核工业地质局二六四大队 | Method for repairing waste rare earth mine based on paspalum cultivation |
| CN111484285A (en) * | 2020-03-31 | 2020-08-04 | 中交隧道工程局有限公司 | Paste mortar for tunnel vault mortar anchor rod construction and grouting method thereof |
| CN111894015A (en) * | 2020-08-14 | 2020-11-06 | 四川川交路桥有限责任公司 | Plant fiber blanket side ditch construction method |
| CN111945754A (en) * | 2020-08-31 | 2020-11-17 | 长江师范学院 | Construction method of side slope plant-growing repair system |
| CN111945755A (en) * | 2020-08-31 | 2020-11-17 | 长江师范学院 | Water distribution and water retention maintenance method for rock slope vegetation base material |
| CN111887139A (en) * | 2020-08-31 | 2020-11-06 | 甘肃省科学院地质自然灾害防治研究所 | Automatic water supply irrigation method for controlling slope green plants |
| CN111945755B (en) * | 2020-08-31 | 2022-09-30 | 长江师范学院 | Water distribution and water retention maintenance method for rock slope vegetation base material |
| CN112931075A (en) * | 2021-01-27 | 2021-06-11 | 兖州中材建设有限公司 | Construction process of mining area foreign soil hanging net spray-seeding greening structure |
| CN112931075B (en) * | 2021-01-27 | 2022-08-05 | 兖州中材建设有限公司 | Construction process of mining area foreign soil hanging net spray-seeding greening structure |
| CN113133380A (en) * | 2021-05-17 | 2021-07-20 | 兰州大学 | Ecological restoration method for cold and arid region side slope and abandoned mine |
| CN113412696A (en) * | 2021-06-23 | 2021-09-21 | 中南林业科技大学 | Coal gangue slope shallow layer reinforcing and ecological restoration method |
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