CN110409465A - A kind of Soft Rock Slope novel ecological environmental-protection construction method - Google Patents
A kind of Soft Rock Slope novel ecological environmental-protection construction method Download PDFInfo
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- CN110409465A CN110409465A CN201910515121.2A CN201910515121A CN110409465A CN 110409465 A CN110409465 A CN 110409465A CN 201910515121 A CN201910515121 A CN 201910515121A CN 110409465 A CN110409465 A CN 110409465A
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Botany (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a kind of Soft Rock Slope novel ecological environmental-protection construction methods, belong to highway construction technology field, the construction method is the following steps are included: preparation of construction: cleaning protection scar sundries removes the rock of float stone and loosening；Curing agent and anchor bolt construction are sprayed for the first time: spraying curing agent for the first time on protection scar, and quantity for spray is 12~18kg/m2；Linked network construction: the label of embedded control spraying curing agent thickness is laid with zinc-plated low charcoal steel wire, zinc-plated low charcoal steel wire is fixed on protection scar by Bower Anchor bar and F type holdfast；Second of spraying curing agent: second of spraying curing agent on protection scar, quantity for spray are 12~18kg/m2；High order granule alien earth sparging；The problem of covering and health solve traditional bricklaying protection and are easily destroyed natural ecology, inadequate ecological, environmental protective.
Description
Technical field
The present invention relates to highway construction technology fields, more specifically, it relates to which a kind of Soft Rock Slope novel ecological is environmentally friendly
Protection construction method.
Background technique
Nowadays the Large scale construction of highway brings undesirable influence to ecological environment, is especially building the high-grade public affairs in mountain area
Lu Shi inevitably excavates out a large amount of high gradient slopes, especially some soft rock high gradient slopes.The excavation of side slope destroys original
Vegetation cover leads to occur a large amount of secondary barren and generates serious soil erosion phenomenon, in addition cause massif slump,
Landslide and mud-rock flow, not only bring grave danger to people's lives and properties, but also cause the serious unbalance of ecological environment.
Protecting soft rock side slope generallys use traditional bricklaying protection (mortar rubble masonry pavement, placed rockfill, extension both at home and abroad at present
Net whitewashing etc.), although can effective protection Soft Rock Slope collapse, destroy the harmony of natural ecology, make engineering place of arrival,
Hard stiff " cement pathway " is instead of blue montains and green waters in the past and cannot prevent Soft Rock Slope degrade softening and entirety
Structural instability.
Summary of the invention
It is anti-in view of the deficiencies of the prior art, the present invention intends to provide a kind of Soft Rock Slope novel ecological environmental protection
The problem of shield construction method, protects which solve traditional bricklaying and is easily destroyed natural ecology, inadequate ecological, environmental protective.
To achieve the above object, the present invention provides the following technical scheme that
A kind of Soft Rock Slope novel ecological environmental-protection construction method, comprising the following steps:
A, preparation of construction: cleaning protection scar sundries removes the rock of float stone and loosening；
B, curing agent and anchor bolt construction are sprayed for the first time: spraying curing agent, quantity for spray 12 for the first time on protection scar
~18kg/m2；
C, linked network is constructed: the label of embedded control spraying curing agent thickness is laid with zinc-plated low charcoal steel wire, zinc-plated low charcoal steel wire
Protection scar is fixed on by Bower Anchor bar and F type holdfast；
D, second of spraying curing agent: second of spraying curing agent on protection scar, quantity for spray are 12~18kg/m2；
E, high order granule alien earth sparging；
F, covering and health: after sowing grass seeds by duster, non-woven geotextile, from top to bottom smooth covering are covered, top of the slope extension is no less than
15cm is lived with soil pressure, and two width, which connect, is superimposed 15cm, and is fixed with bamboo nail and mud pressing.
Through the above technical solutions, this construction method is first to clear up whole slope to Soft Rock Slope slope surface, then with polymer cement
Curing materials are full of soft rock slope surface and rubble gap as curing agent, by wet spraying machine by composite material, make rock
Grain mutually coheres, and forms the bonding course of intensity height and rigidity in Soft Rock Slope superficial layer and is attached on side slope soft rock surface；Cement
With Soft Rock Slope act on, form the very thin confining bed for having some strength and strong and crisp bonding course, prevent moisture intrusion and
Prevent the aquation of soft rock；High molecular polymer can form the tough polymer of high viscosity with the rubble of rock surface in curing agent
Link layer forms intensity height and has elasticity and consolidation structure flexible.By processing cured above, reached prevent, weaken or
The purpose for slowing down Soft Rock Slope softening disintegration achieves and improves Soft Rock Slope engineering effect steady in a long-term, while again in soft rock
Cured layer top surface soil moved in improve the original plant protection has the function that greening beauty, ecological, environmental protective.
Further preferably are as follows: it is described in step a, for protecting scar depressed area, stone is selected to fill up；For steep
Stone bonding after stone is filled up, then is built with cement mortar and is put down by high and steep depressed area.
Through the above technical solutions, keeping slope surface smooth as far as possible in favor of curing agent spraying application.
Further preferably are as follows: in stepb, when rainy season, after spraying curing agent for the first time, then carry out anchor bolt construction；Dry season
When, after anchor bolt construction, then carry out spraying curing agent construction for the first time.
Through the above technical solutions, according to weather condition and the appropriate adjusting method step of pavement humidity situation.
Further preferably are as follows: in stepb, before spraying curing agent for the first time, soak slope surface, examination sprays and adjusts springback capacity.
Through the above technical solutions, making Soft Rock Slope superficial layer form intensity high and the bonding course of rigidity and being attached on side slope
Soft rock surface.
Further preferably are as follows: in stepb, anchor bolt construction successively the following steps are included:
(1) anchor hole positions: anchor hole positioning is carried out by horizontal space and along the requirement that slope spacing is 2m, from gutter edge edge
The upward 2m of slope surface be the first round, from gutter edge along the upward 4m of slope surface be the second round, and so on；
(2) pore-forming: according to design aperture, hole depth and rock and soil properties, drilling machine drilling is selected；
(3) place anchor pole and slip casting: anchor pole presses design size blanking, straightening, decontamination, processing, is put into anchor hole, the end of anchor pole
Head exposes to slope surface 25cm；Anchor hole slip casting uses M7.5 mortar.
Further preferably are as follows: when step (3) are placed in anchor pole and slip casting, and hole depth is less than 3m, anchor pole, hole are inserted after first slip casting
When being greater than 3m deeply.First it is inserted into anchor pole grouting behind shaft or drift lining.
Further preferably are as follows: in step e, before sowing grass seeds by duster, wet slope surface of watering, by peat, fertile soil, grass fiber, nutrition
The mixing materials such as fertilizer are sowed grass seeds by duster after special-purpose machinery stirs on zinc-plated low charcoal steel wire.
Further preferably are as follows: when sowing grass seeds by duster, sowing grass seeds by duster from top to bottom to spray slope surface, and as far as possible guarantee ejiction opening with
Slope surface is vertical, and distance is maintained at 0.8m-1m, and width of once sowing grass seeds by duster is 5m-6m.
In conclusion the invention has the following advantages:
Cementation: using polymer Cement Composite Material as curing agent, carrying out curing process to Soft Rock Slope slope surface,
It allows curing materials full of soft rock and rubble gap, the mutual cohesive action between rock particles can be increased, enable rock particles
Bonding is got up well, can be very high in soft rock surface formation intensity and with rigid bonding course.
Surface mulch effect: after polymer Cement Composite Material curing agent is sprayed at Soft Rock Slope surface, can be strong
It is attached on side slope soft rock surface, the very thin confining bed for having some strength is formed, the intrusion of moisture can be prevented.
Hydration: cement and Soft Rock Slope act on, and form stronger and crisp bonding course, can prevent the aquation of soft rock.
Polymerization: high molecular polymer can be with the gravel of rock surface in polymer Cement Composite Material curing agent
At the tough polymer link layer of high viscosity, forms intensity height and there is elasticity and consolidation structure flexible.
Greening and environmental protection effect: plant protection can create different landscape effects, beautify the appearance of a street, and can mitigate and anti-pollution treatment
Dye, purification and the quality for improving atmosphere.
This construction method is suitable for the processing of each standard highway Soft Rock Slope slope surface solidified protection.
Detailed description of the invention
Fig. 1 is the flow diagram of embodiment, is mainly used for embodying rainy season construction process flow chart；
Fig. 2 is the flow diagram of embodiment, is mainly used for embodying dry season construction flow chart.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment: a kind of Soft Rock Slope novel ecological environmental-protection construction method successively includes as shown in Figure 1, 2 following
Step:
A, preparation of construction: cleaning protection scar sundries removes the rock of float stone and loosening；
B, curing agent and anchor bolt construction are sprayed for the first time: spraying curing agent, quantity for spray 12 for the first time on protection scar
~18kg/m2；
C, linked network is constructed: the label of embedded control spraying curing agent thickness is laid with zinc-plated low charcoal steel wire, zinc-plated low charcoal steel wire
Protection scar is fixed on by Bower Anchor bar and F type holdfast；
D, second of spraying curing agent: second of spraying curing agent on protection scar, quantity for spray are 12~18kg/m2；
E, high order granule alien earth sparging；
F, covering and health: after sowing grass seeds by duster, non-woven geotextile, from top to bottom smooth covering are covered, top of the slope extension is no less than
15cm is lived with soil pressure, and two width, which connect, is superimposed 15cm, and is fixed with bamboo nail and mud pressing.
In step a, before side slope is sprayed, every preparation is carried out by design drawing；Cleaning protection scar is miscellaneous
Object removes the rock of float stone and loosening, and especially recessed place need to be filled up with stone, and precipitous recess need to be with cement mortar by stone
Block bonding, which is built, puts down, and keeps slope surface smooth as far as possible in favor of curing agent spraying application, moistens slope surface with water-wet, and scar is made to keep one
Fixed humidity.
In stepb, when rainy season, after spraying curing agent for the first time, then anchor bolt construction is carried out；When dry season, after anchor bolt construction,
It carries out spraying curing agent construction for the first time again.
One, curing agent is sprayed for the first time
To prevent scar weathering disintegration, one layer of curing agent is sprayed on scar for the first time, quantity for spray is 12~18kg/m2,
It is allowed to penetrate into soft rock, health is no less than 7 days, and can construct next structure sheaf.
Before spraying curing agent, first progress slope surface is wet, examination is sprayed, adjustment asks bullet amount, determines that the cooperation of curing agent is when constructed
Operation sequence, can large-area construction after approving；
Curing agent, mobile type electric air compressor machine air feed, first to mechanical carry out technology before construction are sprayed using wet spraying machine
It checks, water, wind, circuit is checked, can be operated after qualified；
Curing agent should be segmented, fragment from top to bottom carries out for spraying, and when operation starts, light air-supply is rear to be switched on, then is fed；Knot
Shu Shi after expecting to have sprayed, then shuts down.Continuous uniform is wanted when being fed to spraying machine, keeps enough when machine runs well, in hopper
Material stock.Jetting thickness is uniform, meets design drawing requirement；
Mixture preferably with mix with, when not mixing accelerator, the resting period be no more than 2 hours；
During transport, storage, stringent anti-rain drips and the sundries such as boulder are mixed into mixture, sprays being packed into
It is sieved before machine；
After spraying, when using ordinary portland cement, maintenance should be no less than 7 days, and drinks are unable to before unhardened or meet rain,
Otherwise the thin polymer film of forming layer white brittle is reduced its performance by surface；
The rebound object for spraying curing agent cannot be collected and is put into down in batch ingredient, in order to avoid influence curing agent quality.
Two, anchor bolt construction
Anchor bolt construction successively the following steps are included:
(1) anchor hole positions: anchor hole positioning is carried out by horizontal space and along the requirement that slope spacing is 2m, from gutter edge edge
The upward 2m of slope surface be the first round, from gutter edge along the upward 4m of slope surface be the second round, and so on；
(2) pore-forming: according to design aperture, hole depth and rock and soil properties, reasonably selecting drilling machine drilling, when drilling, it should be noted that
Guarantee that the median perpendicular of anchor hole in slope surface, after getting into projected depth, is rinsed the soil in hole well using water；
(3) place anchor pole and slip casting: anchor pole presses design size blanking, straightening, decontamination, processing, is put into anchor hole, the end of anchor pole
Head exposes to slope surface 25cm；
Anchor hole slip casting uses M7.5 mortar.When hole depth is less than 3m, using the construction technology for inserting anchor pole after first slip casting.Slip casting
When, every injection 30cm is consolidated with reinforcing bar, until slurry is from aperture 200-300mm, complete opening is uniformly filled in, after anchor pole insertion
It is mounted on hole location center.Hole depth be greater than 3m when be first inserted into anchor pole then be in the milk, grouting use hole-bottom slurry-injection method, grout pipe be inserted to away from
50~100mm of bottom hole, and gradually extracted with the injection of cement mortar, grouting pressure is preferably not less than 0.2MPa.It is done by design requirement
Resistance to plucking verification test, hole location setting-out is accurate, strict control axially bored line deviation in boring procedure, and hole termination depth is greater than design hole depth not
Less than 100mm.
In step c, the label of control spraying curing agent thickness is buried, zinc-plated low charcoal steel wire, zinc-plated low charcoal steel wire are laid with
Protection scar is fixed on by Bower Anchor bar and F type holdfast.Zinc-plated low charcoal steel wire is hook floral structure, string diameter φ 2.4, side length 50mm*
50mm, zinc-plated low charcoal steel wire couple securely with anchor pole, apply with the gap of scar by design drawing regulation.
In step d, second of spraying curing agent on protection scar, quantity for spray is 12~18kg/m2, anchor in order to prevent
The destruction of side slope curing agent structure sheaf when bar and linked network are constructed, determines second of curing agent of spraying.It sprays for the second time and is mainly
It fills spray, prevents the solidification oxidant layer of drain spray and breakage in installation, spraying process is identical as first time spraying curing agent technique.Curing agent is adopted
It is made of polymer Cement Composite Material.
In step e, before sprayed construction, wet slope surface of watering mixes peat, fertile soil, grass fiber, nutritious fertilizer etc.
Material is sowed grass seeds by duster after special-purpose machinery stirs online；When sprayed construction, sowing grass seeds by duster from top to bottom to spray slope surface, and to the greatest extent
It can guarantee that ejiction opening is vertical with slope surface, distance is maintained at 0.8m~1m, and once sow grass seeds by duster width 5m~6m, since water supply in media loses
Mistake will cause that stromal thickness is inadequate, and generally requiring jet thickness is the 125% of design thickness.It sows grass seeds by duster vegetable seeds, according to construction
Work surface soil or scar property, local climate condition, construction seasons, and combine the kind of various plant growth characteristics selection plant
Son, and increase the indigenous tree seed in local similar landforms work surface.80 DEG C of hot water (the containing seed soaking agent) leaching of tall, shrub seeds
Kind 1 day, herbaceous plant seeds are soaked seed 1-2 hours before sowing grass seeds by duster keeps seed water suction wet.
In step f, non-woven geotextile should be covered after sowing grass seeds by duster in time, from top to bottom smooth covering, top of the slope extension is no less than
15cm is lived with soil pressure, and two width, which connect, is superimposed 15cm, and is fixed with bamboo nail and mud pressing, in case rain drop erosion slope surface, causes to spray
Broadcast material loss.The setting of non-woven geotextile, it is possible to reduce the direct projection of the sun, to drop low-moisture evaporation rate；When raining
It prevents surface from forming confluence, washes away slope surface.
Wet curing is carried out to slope surface in time according to weather condition, guarantees that grass seeds emergence is preceding and seedling growth phase is protected always
Hold slope surface moisture state.
30~60 days or so are about spent, 5~6cm is grown to grass and throws off non-woven fabrics, seedling is enable to adapt to the Nature as early as possible
Climatic environment.
Growth of seedling initial stage, which should be noted that, to weed out the rank grass, and the later period applies fertilizer in the beginning of spring with the growing way for entering winter forward sight grass.
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, some improvements and modifications without departing from the principles of the present invention, these improvement and modification
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of Soft Rock Slope novel ecological environmental-protection construction method, it is characterised in that: the following steps are included:
A, preparation of construction: cleaning protection scar sundries removes the rock of float stone and loosening；
B, spraying curing agent and anchor bolt construction for the first time: spraying curing agent for the first time on protection scar, and quantity for spray is 12~
18kg/m2；
C, linked network is constructed: the label of embedded control spraying curing agent thickness is laid with zinc-plated low charcoal steel wire, zinc-plated low charcoal steel wire passes through
Bower Anchor bar and F type holdfast are fixed on protection scar；
D, second of spraying curing agent: second of spraying curing agent on protection scar, quantity for spray are 12~18kg/m2；
E, high order granule alien earth sparging；
F, covering and health: after sowing grass seeds by duster, non-woven geotextile, from top to bottom smooth covering are covered, top of the slope, which extends, is no less than 15cm use
Soil pressure is lived, and two width, which connect, is superimposed 15cm, and is fixed with bamboo nail and mud pressing.
2. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 1, it is characterised in that: in step
In rapid a, for protecting scar depressed area, stone is selected to fill up；For precipitous depressed area, after stone is filled up, then water is used
Cement mortar builds stone bonding flat.
3. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 1, it is characterised in that: in step
In rapid b, when rainy season, after spraying curing agent for the first time, then anchor bolt construction is carried out；When dry season, after anchor bolt construction, then carry out for the first time
Spray curing agent construction.
4. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 3, it is characterised in that: in step
In rapid b, before spraying curing agent for the first time, slope surface is soaked, examination sprays and adjusts springback capacity.
5. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 3, it is characterised in that: in step
In rapid b, anchor bolt construction successively the following steps are included:
(1) anchor hole positions: anchor hole positioning is carried out by horizontal space and along the requirement that slope spacing is 2m, from gutter edge along slope surface
Upward 2m is the first round, along the upward 4m of slope surface is the second round from gutter edge, and so on；
(2) pore-forming: according to design aperture, hole depth and rock and soil properties, drilling machine drilling is selected；
(3) place anchor pole and slip casting: anchor pole presses design size blanking, straightening, decontamination, processing, is put into anchor hole, outside the end of anchor pole
It is exposed to slope surface 25cm；Anchor hole slip casting uses M7.5 mortar.
6. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 5, it is characterised in that: in step
Suddenly (3) are placed in anchor pole and slip casting, when hole depth is less than 3m, anchor pole are inserted after first slip casting, when hole depth is greater than 3m.It is infused after being first inserted into anchor pole
Slurry.
7. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 1, it is characterised in that: in step
In rapid e, before sowing grass seeds by duster, the mixing materials such as peat, fertile soil, grass fiber, nutritious fertilizer are passed through special-purpose machinery by wet slope surface of watering
It is sowed grass seeds by duster on zinc-plated low charcoal steel wire after stirring.
8. a kind of Soft Rock Slope novel ecological environmental-protection construction method according to claim 7, it is characterised in that: sow grass seeds by duster
When, sowing grass seeds by duster from top to bottom to spray slope surface, and as far as possible guarantee ejiction opening it is vertical with slope surface, distance be maintained at 0.8m~
1m, width of once sowing grass seeds by duster are 5m~6m.
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| CN201910515121.2A CN110409465A (en) | 2019-06-14 | 2019-06-14 | A kind of Soft Rock Slope novel ecological environmental-protection construction method |
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| CN201910515121.2A CN110409465A (en) | 2019-06-14 | 2019-06-14 | A kind of Soft Rock Slope novel ecological environmental-protection construction method |
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| 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 |
| CN116283156A (en) * | 2023-04-07 | 2023-06-23 | 河北省地质工程勘查院 | Spray seeding material for ecological restoration of mine geological environment and preparation method and application thereof |
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| 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 |
| CN116283156A (en) * | 2023-04-07 | 2023-06-23 | 河北省地质工程勘查院 | Spray seeding material for ecological restoration of mine geological environment and preparation method and application thereof |
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Application publication date: 20191105 |