CN104314086A - Highly-steep rock slope ecological restoration structure and implementation method - Google Patents
Highly-steep rock slope ecological restoration structure and implementation method Download PDFInfo
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- CN104314086A CN104314086A CN201410571240.7A CN201410571240A CN104314086A CN 104314086 A CN104314086 A CN 104314086A CN 201410571240 A CN201410571240 A CN 201410571240A CN 104314086 A CN104314086 A CN 104314086A
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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
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- 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
- A01G2/00—Vegetative propagation
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Abstract
The invention is applicable to the field of rock slope ecological restoration and provides a highly-steep rock slope ecological restoration structure. The highly-steep rock slope ecological restoration structure comprises a soil fixing cage fixed on a rock slope, a soil dressing layer which is sprayed into the soil fixing cage and attaches to the surface of the rock slope, a plant sprout layer sowing on the soil dressing layer in a sprayed manner, and non-woven fabric covering the soil fixing cage and the plant sprout layer. The soil fixing cage comprises a plurality layers of wood plates mounted on the surface of the rock slope, a plurality of reinforced steel bars supporting the wood plates and a steel wire mesh mounted on the surface of the rock slope. The invention further discloses an implement method of the highly-steep rock slope ecological restoration structure. The highly-steep rock slope ecological restoration structure has the advantages that the soil dressing layer is fixed and falling off of the soil dressing layer is prevented by disposing the soil fixing cage on the highly-steep rock slope, rain wash resistance of the soil dressing layer is increased, a stable growing platform and environment is provided for plants, vegetation degradation is prevented, a good and appropriate growing environment is provided for the plants by the plate sprout layer, the plants can spout and grow fast, and ecological restoration speed is increased.
Description
Technical field
The invention belongs to rock side slope Ecological Restoration Works field, particularly relate to the implementation method of a kind of high precipitous rock slope ecological recovery structure and a kind of high precipitous rock slope ecological recovery structure.
Background technology
High precipitous rock slope refers to that the gradient is greater than 60 °, is highly greater than the rock side slope of 20 meters; It is a kind of side slope type common in the object of construction production such as quarry, all kinds of ore extraction, water conservancy, building, municipal administration, if administer not in time, not only affect natural landscape, also can cause the geological disaster such as soil erosion, landslide, even can lead to the huge disasters such as bio-diversity reduces, natural ecosystems are unbalance.The method for recovering vegetation common technology being applied to rock side slope is at present alien earth sparging class technology.Seed spraying technology construction method is simple, mechanization degree is high, comparatively advanced at present, the rock slope technology for recovering vegetation be most widely used, its general principle is by after the material mixings such as soil, organic fertilizer, inorganic fertilizer, water-loss reducer, adhesive, vegetable seeds, utilization sow grass seeds by duster machinery compound is ejected into domatic top layer, pass through late maintaining, vegetal cover is even, integrated greening is effective, but this technology exist soil moved in improve the original layer not resistance of rainwater washing against, easily come off, the problem such as vegetation easily degenerates, steep side slope application difficult.
Summary of the invention
The object of the present invention is to provide a kind of high precipitous rock slope ecological recovery structure, the soil moved in improve the original layer being intended to solve existing Seed spraying technology not resistance of rainwater washing against, easily come off, vegetation easily degenerates, the problem of steep side slope application difficult.
The present invention realizes like this, a kind of high precipitous rock slope ecological recovery structure, comprise be fixed on rock side slope domatic on solid gabion, to spray in described solid gabion and be attached to described domatic on soil moved in improve the original layer, sow grass seeds by duster the plant germination layer on described soil moved in improve the original layer and the non-woven fabrics that is placed on described solid gabion and described plant germination layer; Described solid gabion comprise be installed on described domatic on plywood, for support the described plank of each layer some reinforcing bars and be installed on described domatic on wire gauze, plank described in multilayer along in described domatic short transverse longitudinal separation arrange, described wire gauze be placed on the described plank of each layer away from described domatic outside; Described in each root, one end of reinforcing bar is fixed in described rock side slope, and the other end of this reinforcing bar stretch out described domatic outside.
The present invention, by arranging solid gabion on high precipitous rock slope, with fixing soil moved in improve the original layer, prevents soil moved in improve the original pull-up from falling, and improves the resistance of rainwater washing against ability of soil moved in improve the original layer, for plant provides platform and the growing environment of stable growth, prevents vegetation degeneration.In addition, plant germination layer is set, to provide more good and suitable growing environment, so that the growth of plant energy fast germination, to accelerate ecological recovery speed for plant growth.
Another object of the present invention is to provide a kind of high precipitous rock slope ecological recovery structure implementation method, comprise the following steps:
S1) to rock side slope domatic on loose float stone clear up;
S2) described domatic on bore some row's fixing holes of longitudinal separation;
S3) some reinforcing bars are separately fixed in each described fixing hole, one end of each described reinforcing bar are plugged in corresponding described fixing hole, and its other end stretch out described domatic outside; And make some described reinforcing bars form some rows;
S4) at each row described reinforcing bar upper mounted plate body, to form the plywood of longitudinal separation;
S5) lay wire gauze, make described wire gauze be placed on the described plank of each layer away from described domatic outside, more described wire gauze is fixed on described rock side slope, forms solid gabion to make plank described in described wire gauze and multilayer;
S6) spray in soil moved in improve the original mixture in described solid gabion, and make described soil moved in improve the original mixture be attached to described domatic upper formation soil moved in improve the original layer;
S7) to sow grass seeds by duster on described soil moved in improve the original layer plant mixture, form plant germination layer;
S8) lay non-woven fabrics, described non-woven fabrics is placed on described solid gabion and described plant germination layer, and rewater maintenance.
Implementation method of the present invention is simple, and construction cost is low, can effectively solve the problem that soil moved in improve the original layer easily comes off, vegetation easily degenerates, and can be applied in well in the vegetation recovery engineering of precipitous rock side slope.
Accompanying drawing explanation
Fig. 1 is the structural representation of solid gabion in a kind of high precipitous rock slope ecological recovery structure of providing of the embodiment of the present invention;
Fig. 2 is a kind of soil moved in improve the original layer of high precipitous rock slope ecological recovery structure of providing of the embodiment of the present invention and the structural representation of plant germination layer.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1 and Fig. 2, a kind of high precipitous rock slope ecological recovery structure that the embodiment of the present invention provides, this ecological recovery structure comprises solid gabion, soil moved in improve the original layer, plant germination layer and non-woven fabrics; Gu gabion is fixed on this rock side slope, so that fixing soil moved in improve the original layer, prevents soil moved in improve the original pull-up from falling, improve the resistance of rainwater washing against ability of soil moved in improve the original layer.Soil moved in improve the original layer is used for, for plant provides platform and the growing environment of stable growth, preventing vegetation degeneration; With spraying equipment, soil moved in improve the original mixture can be injected in solid gabion, and make soil moved in improve the original mixture be attached to this rock side slope domatic on, thus form soil moved in improve the original layer; Meanwhile, when spraying soil moved in improve the original mixture in solid gabion, soil moved in improve the original mixture also can be attached in solid gabion, can prevent the soil moved in improve the original layer formed from being come off by rain drop erosion better.Plant germination layer can be formed through sowing grass seeds by duster by plant mixture, plant mixture is sowed grass seeds by duster on soil moved in improve the original layer, forms plant germination layer; Plant germination layer is set, to provide more good and suitable growing environment, so that the growth of plant energy fast germination, to accelerate ecological recovery speed for plant growth.Non-woven fabrics covers on plant germination layer and on solid gabion, can reduce a layer moisture evaporation of sowing grass seeds by duster, also can prevent rainwater from directly washing away layer of sowing grass seeds by duster, to ensure that the plant germination in plant germination layer has a relative more stable environment, accelerates plant growth rate.
Particularly, Gu gabion comprises plywood, some reinforcing bars and wire gauze; Plywood be installed on domatic on, and along in domatic short transverse longitudinal separation arrange, to support soil moved in improve the original layer; When soil moved in improve the original mixture is injected in solid gabion, and be attached to domatic upper time, soil moved in improve the original mixture also can be attached on each layer plank, fixes soil moved in improve the original layer by plank, prevents soil moved in improve the original mixture from being come off by rain drop erosion.Reinforcing bar be used for support plank so that plank is fixed on domatic on; And one end of each root reinforcing bar is fixed in rock side slope, and the other end of this reinforcing bar stretch out domatic outside, thus this reinforcing bar stretch out domatic outside one end can be fixedly linked with plank, to support plank.Wire gauze be installed on domatic on, and wire gauze be placed on each layer plank away from domatic outside; Thus hold each layer plank by wire gauze, to fix plank better, make the solid gabion structure of formation more stable, thus more stable stressed carrying platform can be provided, there is persistence; And use plank also better can ensure environment, there is ecological property; In addition, when soil moved in improve the original mixture is injected in solid gabion, when forming soil moved in improve the original layer, can also be blocked by wire gauze and protect soil moved in improve the original layer, prevent soil moved in improve the original layer from being come off by rain drop erosion further.
The present invention, by arranging solid gabion on high precipitous rock slope, with fixing soil moved in improve the original layer, prevents soil moved in improve the original pull-up from falling, and improves the resistance of rainwater washing against ability of soil moved in improve the original layer, for plant provides platform and the growing environment of stable growth, prevents vegetation degeneration.In addition, plant germination layer is set, to provide more good and suitable growing environment, so that the growth of plant energy fast germination, to accelerate ecological recovery speed for plant growth.
Further, the other end of each root reinforcing bar is U-shaped, and this other end clamps relative plank.This domatic other end that stretches out of reinforcing bar is arranged U-shaped, is also, after row is arranged, can U-type groove be formed when many reinforcing bars are fixed on rock side slope, when plank inserts in U-type groove, namely can fixes plank.The U-shaped end of reinforcing bar can certainly be made to clamp plank, more stably to fix plank.Can choose diameter be the reinforcing bar of 12-16mm to support plank, with more stably fixed support plank, and then fix soil moved in improve the original layer better.Further, the stretching out this domatic other end and can do antirust treatment, as spray rustproof paint, to ensure the life-span of reinforcing bar of reinforcing bar.
In the present embodiment, in every one deck plank: each plank is rectangle, its thickness is 1.5-2cm, and its width is 8-12cm, and its length is 40-100cm.Elect the thickness of each plank as 1.5-2cm, width elects 8-12cm as, can ensure the width of the solid gabion formed, ensure the bearing capacity of lower cost and plank, thus ensures that the objective the thickness of the layer sprayed is suitable.The length of each plate body is 40-100cm.The plank of different length can be chosen according to actual needs, thus adapt to different domatic environment.
Further, objective the thickness of the layer, to cover plank completely for the easiest, so namely can ensure that soil moved in improve the original layer has enough thickness, also can prevent soil moved in improve the original layer from being come off by rain drop erosion simultaneously.Each plank perpendicular to domatic, thus can support relatively thick soil moved in improve the original layer.In further embodiments, each plank also can be horizontally disposed with.
Further, at a distance of 15-20cm between neighbouring two-layer plank.Thus every layer of plank only needs to bear the high soil moved in improve the original layer of 15-20cm, to ensure that plank has long-term, good ability to bear, and then ensure the stable of soil moved in improve the original layer.Also the spacing of adjacent two layers plank can be prevented too small, and increase cost and installation strength; The spacing of adjacent two layers plank can be prevented excessive simultaneously, and exceed the supporting capacity of plank.
Wire gauze can be galvanized wire mesh.The sizing grid of wire gauze is 2*2cm-4*4cm, and the iron wire diameter of wire gauze is 2.5-3mm.Use the wire gauze that this grid is relatively little, iron wire diameter is relatively thick, the intensity of wire gauze can be ensured, thus more stably fix and support plank.When certain soil moved in improve the original layer covers plank, also can be come the surface of pad soil moved in improve the original layer by wire gauze, in case the surperficial soil moved in improve the original mixture of soil moved in improve the original layer is washed.And use grid is relatively little, iron wire diameter is relatively thick wire gauze can these soil moved in improve the original mixtures of pad better, protect soil moved in improve the original layer better.
Wire gauze can use setscrew to be fixed on rock side slope, installs simple and convenient.When using setscrew to fix wire gauze, every square metre uses setscrew for 3-5, to firmly fix wire gauze.In other embodiment, also can on rock side slope fixing anchor bar, wire gauze is fixed on anchor pole.
In the present embodiment, soil moved in improve the original mixture comprises loam, fertilizer, water-loss reducer, cement, soil conditioner, pH adjusting agent, cementing agent etc., and namely soil moved in improve the original layer comprises the materials such as loam, fertilizer, water-loss reducer, cement, soil conditioner, pH adjusting agent, cementing agent.In its various material proportion: loam percentage is 70-80%, fertilizer percentage is 10-15%, cement percentage is 3%-5%, water-loss reducer percentage is 0.2-0.5%, cementing agent percentage is 0.2-0.5%.Loam is easily with clay, so as to be attached to better domatic on.Fertilizer can be fertile based on poultry dung, more environmental protection.
Plant mixture comprises vegetable seeds, fertilizer, composite fertilizer, water-loss reducer, adhesive and fibrous material, and the plant germination layer namely formed comprises vegetable seeds, fertilizer, composite fertilizer, water-loss reducer, adhesive and fibrous material; In its various material proportion: fertilizer percentage is 25-35%, composite fertilizer's percentage is 0.5-0.8%, water-loss reducer percentage is 2-3%, adhesive percentage is 0.5-0.8%, fibrous material percentage is 30-35%.In plant germination layer, use water-loss reducer moistening to ensure vegetable seeds, to germinate sooner, grow, realize ecological recovery.In plant mixture, various material is in after required ratio mixing, can add water and stir into suspension, uses machinery of sowing grass seeds by duster to sow grass seeds by duster on soil moved in improve the original layer, forms plant germination layer.
Fibrous material can be one of materials such as wood sawdust, crushed stalk end or tree branches pulverizing end, also can be the mixture of the materials such as wood sawdust, crushed stalk end or tree branches pulverizing end.It can be that the tree branches dried pulverizes end that tree branches pulverizes end.Fibrous material in plant germination layer progressively fermentation rot, become the fertilizer for plant growth, to provide the fertilizer supply of longer time for plant.
Further, vegetable seeds comprises pteridophyta spore, herbaceous plant seeds and shrub plant seed.Use pteridophyta spore, by the feature that the rock natural disposition of pteridophyte is strong, with from just better solid soil, and Revegetation of Eco-environment fast.Vegetable seeds can based on indigenous plant, to reduce the cost of vegetable seeds.As pteridophyte can be chosen from the fern indigenous plants such as Cyclosorus parasiticus CL. Forwell-L, ciliate desert-grass (Pteris vittata), line plumage brake fern, Semi-pinnated Brake Herb, herbaceous plant can be chosen from the draft indigenous plants such as Bermuda grass, Caulis Miscanthis floriduli, Chinese silvergrass, and shrub plant can be chosen from the shrub indigenous plants such as pigeonpea, white popinac, locust tree, crotalaria mucronata, hill gooseberry.Above-mentioned pteridophyta spore 2-3 kind can be chosen, herbaceous plant seeds 1-2 kind, shrub plant seed 2-3 kind, according to natural, ecological principle, adopt the collocation mode of structure of community, the vegetable seeds in composition plant germination layer.Within 1 day before sowing grass seeds by duster, can gibberellin dilution immersion treatment fern seed 20-45 minute be used, then use clear water soaked overnight for subsequent use, to accelerate its germination physiology (namely accelerating its speed of germination); If certainly have chosen ciliate desert-grass, then without the need to gibberellin dilution immersion treatment.In gibberellin dilution, GA content is easy when 10-15ppm.In the various vegetable seeds chosen, the usage ratio scope of herbaceous plant seeds should control at 0.5-1 gram every square metre, affects the growth of other plant to prevent herbaceous plant after sprouting, convenient good plant ecological as early as possible.
Vegetable seeds is based on indigenous plant, and it is adaptable, reduces maintenance cost simultaneously, and ecological risk is low, and wherein pteridophyte, draft Caulis Miscanthis floriduli, Chinese silvergrass are perennial plant, has the raw ability of stronger rock simultaneously.Plant germination layer is made up of water-loss reducer, adhesive, fertilizer, composite fertilizer, fibrous material and vegetable seeds etc., loose, moisture structure layer is formed, for pteridophyta spore, herbaceous plant seeds and shrub plant seed provide good sprouting condition on nutrition soil moved in improve the original layer surface.
Soil moved in improve the original layer is directly close to the domatic of rock slope, and primarily of base substance compositions such as loam, composite fertilizer, fertilizer, water-loss reducer, cement, thickness is 8-10 ㎝, is easy to cover plank completely.Soil moved in improve the original layer is the material base of plant long term survival.Plant germination layer is positioned at the surface of soil moved in improve the original layer, primarily of material compositions such as vegetable seeds, fertilizer, inorganic fertilizer, water-loss reducer, adhesive, loose fibres.In plant germination layer, fertilizer and fibrous material (wood sawdust, crushed stalk are last or dry tree branches pulverizing end) etc. form stable open structure under adhesive effect, and effective moisture structure is formed under the packing action of water-loss reducer, vegetable seeds wraps up by water-loss reducer simultaneously, plant germination is with favourable conditions, bud ratio is high, and ecological recovery is effective.
After plant germination layer sows grass seeds by duster formation, should be noted maintenance ground moistening, humidity is advisable with 80-90%, especially should be noted the sprouting situation of fern, sow grass seeds by duster and grow for period of sporinite for gamete insemination for latter about 80 days, this stage should strengthen upper soll layer humidity, improves sporinite production rate.
Please again consult Fig. 1 and Fig. 2, the embodiment of the present invention also provides a kind of high precipitous rock slope ecological recovery structure implementation method, comprises the following steps:
S1) to rock side slope domatic on loose float stone clear up;
S2) some row's fixing holes of longitudinal separation are bored on domatic;
S3) some reinforcing bars are separately fixed in each fixing hole, one end of each reinforcing bar are plugged in corresponding fixing hole, and its other end stretch out domatic outside; And make some reinforcing bars form some rows;
S4) at each placing of reinforcement upper mounted plate body, to form the plywood of longitudinal separation;
S5) lay wire gauze, make wire gauze be placed on each layer plank away from domatic outside, then wire gauze is fixed on rock side slope, forms solid gabion to make wire gauze and plywood;
S6) spray in soil moved in improve the original mixture in solid gabion, and make soil moved in improve the original mixture be attached to domatic upper formation soil moved in improve the original layer;
S7) to sow grass seeds by duster on soil moved in improve the original layer plant mixture, form plant germination layer;
S8) lay non-woven fabrics, non-woven fabrics is placed on solid gabion and plant germination layer, and rewater maintenance.
First to rock side slope domatic on loose float stone clear up, to get rid of potential safety hazard, ensure construction safety.On domatic, bore fixing hole to install fixing reinforcing bar afterwards, conveniently support plank, and the fixing hole bored is some rows, then fixing reinforcing bar can be formed many rows, thus when several reinforced bar support one piece of plank, plank can be supported for multilayer.Re-lay wire gauze, wire gauze is fixed on rock side slope, and cover on each layer plank, to form solid gabion with plank.On solid gabion, spray soil moved in improve the original mixture form soil moved in improve the original layer, to provide stable growing environment for plant growth; To sow grass seeds by duster on soil moved in improve the original layer again plant mixture, form plant germination layer, improve emergence rate, save seed costs and ecological effect; Re-lay non-woven fabrics, water seasoning is to ensure that plant germinates well, grows, Revegetation of Eco-environment as early as possible.
Implementation method of the present invention is simple, and construction cost is low, can effectively solve the problem that soil moved in improve the original layer easily comes off, vegetation easily degenerates, and can be applied in well in the vegetation recovery engineering of precipitous rock side slope.
Preferentially, at S2) in step, the aperture of the fixing hole bored should adapt with the diameter of reinforcing bar used.Diameter as reinforcing bar is 12-16mm, and the aperture of corresponding fixing hole is 12-20mm.The depth bounds of fixing hole is 15-25cm, stably to fix reinforcing bar.Spacing between two fixing holes adjacent in horizontal direction is 20-40cm, and the spacing between two namely laterally adjacent fixing holes is 20-40cm, so that the spacing between adjacent two reinforcing bars of fixing transverse direction is 20-40cm, to support plank.
At S2) in step, spacing between two fixing holes adjacent in vertical direction is 15-20cm, namely the spacing between two longitudinally adjacent fixing holes is 15-20cm, so that the spacing between two reinforcing bars that fixing longitudinal direction is adjacent is 15-20cm, with the spacing between the adjacent two layers plank supported at 15-20cm, only need to make every layer of plank to bear the high soil moved in improve the original layer of 15-20cm, to ensure that plank has long-term, good ability to bear, and then ensure the stable of soil moved in improve the original layer.
Preferentially, at S4) in step, each plank is rectangle, and its thickness is 1.5-2cm, and its width is 8-12cm, and its length is 40-100cm.Elect the thickness of each plank as 1.5-2cm, width elects 8-12cm as, can ensure the width of the solid gabion formed, ensure the bearing capacity of lower cost and plank, thus ensures that the objective the thickness of the layer sprayed is suitable.The length of each plate body is 40-100cm.The plank of different length can be chosen according to actual needs, thus adapt to different domatic environment.
Preferentially, at S5) in step, wire gauze can be galvanized wire mesh.The sizing grid of wire gauze is 2*2cm-4*4cm, and the iron wire diameter of wire gauze is 2.5-3mm.Use the wire gauze that this grid is relatively little, iron wire diameter is relatively thick, the intensity of wire gauze can be ensured, thus more stably fix and support plank.
Wire gauze can use setscrew to be fixed on rock side slope, installs simple and convenient.When using setscrew to fix wire gauze, every square metre uses setscrew for 3-5, to firmly fix wire gauze.Then at S3) first can also bore installing hole on rock side slope, to install expansion screw before step.And at S3) bore installing hole before step, with more convenient, can prevent reinforcing bar from affecting boring.Certainly before laying wire gauze, the function that installing hole also can implement fixing wire gauze is bored.In other embodiment, also can on rock side slope fixing anchor bar, wire gauze is fixed on anchor pole.
At S6) in step, soil moved in improve the original mixture can use the soil moved in improve the original mixture in the embodiment of above-mentioned high precipitous rock slope ecological recovery structure, forms soil moved in improve the original layer, no longer burdensome at this.
At S7) in step, plant mixture can use the plant mixture in the embodiment of above-mentioned high precipitous rock slope ecological recovery structure, forms plant germination layer, no longer burdensome at this.
At S8) in step, need in maintenance processes to keep ground moistening, humidity is advisable with 80-90%, the sprouting situation of fern will be noted simultaneously, sow grass seeds by duster and grow for period of sporinite for gamete insemination for latter about 80 days, this stage should strengthen Soil moisture, improves sporinite production rate.
The present invention adopts fixing plank and wire gauze to form the solid soil structure of caged, namely gabion is consolidated, material is simple, economy and facility, supporting capacity are good, also there is ecological, environmental protective, stability advantages of higher, effectively can solve soil moved in improve the original layer of sowing grass seeds by duster and hold caducous problem, for plant provides stable growing environment, this structure extends the scope of application of Seed spraying technology simultaneously, can be adapted to the rock side slope that the gradient is greater than 60 ° preferably.
Meanwhile, arrange soil moved in improve the original layer and plant germination layer, with soil moved in improve the original layer for hypothallus, upper strata is plant germination layer, greatly can improve emergence rate, saves seed costs and ecological effect.
In addition, plant germination layer is made up of loose fibre, water-loss reducer, cementing agent, fertilizer and vegetable seeds etc., and its short texture, water retaining capacity are strong, and possess the basic nutrition element of plant growth, is particularly suitable for pteridophyte and sprouts.
Again, adopt the plants configuration based on indigenous plant, can be adapted to local environment preferably, maintenance cost reduces greatly, and naturally can merge with surrounding enviroment; Further, Cyclosorus parasiticus CL. Forwell-L, ciliate desert-grass, Caulis Miscanthis floriduli, Chinese silvergrass etc. are perennial plant, and have the raw characteristic of extremely strong rock, and arrange in pairs or groups mutually with shrub layer, structure filled with by the grass forming stable perfect in shape and function, and ecological recovery Be very effective, has good continuation simultaneously.
The present invention is directed to above-mentioned implementation method to test, specific experiment is as follows:
Choose quarry, Tang Lang mountain, Nanshan District, Shenzhen City and discard side slope as experiment sample ground.The total vertical height of this side slope 150 meters, bevel altitude reaches 165 meters, altogether classification 15 grades, and wherein the 2nd, 3,4 grade of slope height is all more than 20 meters, and the gradient is all more than 60 °, and be typical high gradient slope, difficulty of construction is larger.The first step, cleans out domatic float stone before construction, prevents float stone in work progress to come off the hazard to person caused; Second step, electricity consumption is drilled in domatic boring, and according to rock surface scar reasonable structure design plank position and plank length, the setscrew hole of fixing galvanized wire mesh is all located at scar recess; 3rd step, installs and fixed stop building plate according to punch position, then hangs galvanized wire mesh at outermost, fixes with the setscrew of band crotch; 4th step, utilizes special spray soil machinery (wet type removed-earth jet sowing machine or spray windlass), soil moved in improve the original mixture is ejected into scar; 5th step, utilizes dedicated hydraulic spray seeder, plant mixture is added water and sprays soil moved in improve the original layer surface; 6th step, the maintenance of lid non-woven fabrics.After three months, implement region emergence rate 80%, coverage scale can reach about 95%.Implement after 1 year, form Cao Guan group, bottom is based on Bermuda grass, fern, and upper strata is primarily of shrub, the higher composition such as Caulis Miscanthis floriduli, Chinese silvergrass of growth, and domatic formation firmly root structure, can withstand the baptism in coastal area typhoon and heavy rain season.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a high precipitous rock slope ecological recovery structure, it is characterized in that, comprise the solid gabion be fixed on rock side slope, to spray in described solid gabion and be attached to described rock side slope domatic on soil moved in improve the original layer, sow grass seeds by duster the plant germination layer on described soil moved in improve the original layer and the non-woven fabrics that is placed on described solid gabion and described plant germination layer; Described solid gabion comprise be installed on described domatic on plywood, support the described plank of each layer some reinforcing bars and be installed on described domatic on wire gauze, plank described in multilayer along in described domatic short transverse longitudinal separation arrange, described wire gauze be placed on the described plank of each layer away from described domatic outside; Described in each root, one end of reinforcing bar is fixed in described rock side slope, and the other end of this reinforcing bar stretch out described domatic outside.
2. high precipitous rock slope ecological recovery structure as claimed in claim 1, it is characterized in that, described in each root, the other end of reinforcing bar is U-shaped, and this other end clamps relative described plank.
3. high precipitous rock slope ecological recovery structure as claimed in claim 1, it is characterized in that, in plank described in every one deck: each described plank is rectangle, its thickness is 1.5-2cm, and its width is 8-12cm, and its length is 40-100cm.
4. high precipitous rock slope ecological recovery structure as claimed in claim 1, is characterized in that, at a distance of 15-20cm between neighbouring two-layer described plank.
5. high precipitous rock slope ecological recovery structure as claimed in claim 1, it is characterized in that, the sizing grid of described wire gauze is 2*2cm-4*4cm, and the iron wire diameter of described wire gauze is 2.5-3mm.
6. the high precipitous rock slope ecological recovery structure as described in any one of claim 1-5, is characterized in that, described soil moved in improve the original layer covers the described plank of each layer.
7. the high precipitous rock slope ecological recovery structure as described in any one of claim 1-5, is characterized in that, described soil moved in improve the original layer comprises loam, fertilizer, water-loss reducer, cement, soil conditioner, pH adjusting agent, cementing agent; Wherein: loam percentage is 70-80%, fertilizer percentage is 10-15%, cement percentage is 3%-5%, water-loss reducer percentage is 0.2-0.5%, cementing agent percentage is 0.2-0.5%.
8. the high precipitous rock slope ecological recovery structure as described in any one of claim 1-5, is characterized in that, described plant germination layer comprises vegetable seeds, fertilizer, composite fertilizer, water-loss reducer, adhesive and fibrous material; Wherein: fertilizer percentage is 25-35%, composite fertilizer's percentage is 0.5-0.8%, water-loss reducer percentage is 2-3%, adhesive percentage is 0.5-0.8%, fibrous material percentage is 30-35%.
9. high precipitous rock slope ecological recovery structure as claimed in claim 8, it is characterized in that, described vegetable seeds comprises pteridophyta spore, herbaceous plant seeds and shrub plant seed.
10. a high precipitous rock slope ecological recovery structure implementation method, is characterized in that, comprise the following steps:
S1) to rock side slope domatic on loose float stone clear up;
S2) described domatic on bore some row's fixing holes of longitudinal separation;
S3) some reinforcing bars are separately fixed in each described fixing hole, one end of each described reinforcing bar are plugged in corresponding described fixing hole, and its other end stretch out described domatic outside; And make some described reinforcing bars form some rows;
S4) at each row described reinforcing bar upper mounted plate body, to form the plywood of longitudinal separation;
S5) lay wire gauze, make described wire gauze be placed on the described plank of each layer away from described domatic outside, more described wire gauze is fixed on described rock side slope, forms solid gabion to make plank described in described wire gauze and multilayer;
S6) spray in soil moved in improve the original mixture in described solid gabion, and make described soil moved in improve the original mixture be attached to described domatic upper formation soil moved in improve the original layer;
S7) to sow grass seeds by duster on described soil moved in improve the original layer plant mixture, form plant germination layer;
S8) lay non-woven fabrics, described non-woven fabrics is placed on described solid gabion and described plant germination layer, and rewater maintenance.
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| CN105340614A (en) * | 2015-11-02 | 2016-02-24 | 棕榈园林股份有限公司 | Novel hard slope lattice ecological afforestation structure and method |
| CN106759404A (en) * | 2017-02-24 | 2017-05-31 | 陈仕涛 | A kind of multiple method for green for slowing down the steep mine gradient high |
| CN108040765A (en) * | 2017-12-08 | 2018-05-18 | 安徽金联地矿科技有限公司 | One kind answers green and construction method based on raw basin formula rock side slope is planted |
| CN108487263A (en) * | 2018-03-16 | 2018-09-04 | 三峡大学 | A method of restoration of the ecosystem is carried out to rock matter gradient slope using solid gabion |
| CN109853590A (en) * | 2019-01-23 | 2019-06-07 | 昆明理工大学 | A kind of device and construction method using rainfall infiltration steep rocky slope slope surface soil moved in improve the original base |
| CN110042846A (en) * | 2019-03-11 | 2019-07-23 | 昆明理工大学 | A kind of construction method of the increase soil moved in improve the original stability suitable for high precipitous rock slope |
| CN114027111A (en) * | 2021-10-18 | 2022-02-11 | 广州悦达林业有限责任公司 | Method for ecological management by covering acidic rock high and steep slope with dicranopteris pedata lamella |
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| CN114027111A (en) * | 2021-10-18 | 2022-02-11 | 广州悦达林业有限责任公司 | Method for ecological management by covering acidic rock high and steep slope with dicranopteris pedata lamella |
| CN114158459A (en) * | 2021-11-30 | 2022-03-11 | 苏州天园景观艺术工程有限公司 | Grass planting strip for land ecological restoration and implementation method thereof |
| CN114541422A (en) * | 2022-01-24 | 2022-05-27 | 云南农业大学 | Ecological restoration substrate for high-cold high-steep mine side slope |
| CN114541422B (en) * | 2022-01-24 | 2023-11-10 | 云南农业大学 | Ecological restoration substrate for high-cold high-steep mine slope |
| CN114793523A (en) * | 2022-05-26 | 2022-07-29 | 山东高速鸿林工程技术有限公司 | Method for artificially promoting vegetation recovery of stone mine |
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