CN108951666A - A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials - Google Patents
A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials Download PDFInfo
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- CN108951666A CN108951666A CN201810737267.7A CN201810737267A CN108951666A CN 108951666 A CN108951666 A CN 108951666A CN 201810737267 A CN201810737267 A CN 201810737267A CN 108951666 A CN108951666 A CN 108951666A
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- Prior art keywords
- slope
- iron milltailings
- gather materials
- laid
- vetiver
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 26
- 230000002787 reinforcement Effects 0.000 title claims abstract description 22
- 244000284012 Vetiveria zizanioides Species 0.000 claims abstract description 20
- 235000007769 Vetiveria zizanioides Nutrition 0.000 claims abstract description 20
- 241000196324 Embryophyta Species 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 239000004035 construction material Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011162 core material Substances 0.000 claims abstract description 4
- 241001448537 Reineckea Species 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 241000607479 Yersinia pestis Species 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 201000010099 disease Diseases 0.000 claims description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000009331 sowing Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims 1
- 244000025254 Cannabis sativa Species 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000013459 approach Methods 0.000 abstract description 2
- 241001448535 Reineckea carnea Species 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental Sciences (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
It is the slope reinforcement and ecological reestablishment to gather materials that the invention discloses a kind of with iron milltailings, it is characterized in that, the core material of slope reinforcement selects iron milltailings and plant vetiver, it is aided with pink reineckea herb plant and is locked with anchor pole, reach the multiple effect of pollution treatment, slope protection and greening, the process flow that technology is implemented simultaneously are as follows: 1) modify slope surface and build concrete supporting and retaining system；2) bottom base fabric and PE antiseepage film are paved；3) construction materials prepare；4) constructed and be laid with PC drainpipe；5) bolt anchorage；6) planting；7) professional maintenance management.Gathered materials using iron milltailings as slope protection, in conjunction with lucky grass planting, explores iron milltailings resource utilization approach, turn waste into wealth, land pollution can be reduced, while generating the ecological value；Vetiver considerably increases the skid resistance of side slope as reinforcement material.
Description
Technical field
The present invention relates to civil engineerings and restoration of the ecosystem field, and in particular to one kind is in engineering excavation construction with iron milltailings
For the slope retaining structure and slope vegetation protection technology to gather materials.
Background technique
Iron milltailings are the main wastes generated in current metal mine process.In northern China and southwestern metallic ore
Area, vegetation deterioration and water and soil pollution phenomenon caused by digging up mine make us startling, and the task of top priority is reinforced to source gold
Belong to the improvement of minery especially iron milltailings.The iron tailings comprehensive utilization ratio in China only has 7% at present, and the processing of iron milltailings is also led
It concentrates on three aspects: first is that based on accumulation, also establishing tailings library sometimes, but the tailings of bulk deposition does not only take up soil
Ground destroys soil, and seriously destroys natural ecological environment, and there is also biggish security risk, easily initiation geological disasters.Two
It is to be selected again using iron tailings as secondary resource, therefrom recycles valuable mineral；Add third is that carrying out simple physics to iron tailings
Work processing after directly utilize, i.e., directly utilized without the tailing selected again, such as built the road using tailing, prepare construction material, as
Mined out R filler etc..But the improvement of current iron milltailings there is also make a low multiple use, pollution rate is high the features such as, how preferably will
It replaces with construction material, draws materials, turns waste into wealth nearby, reduces production cost, is badly in need of carrying out resource utilization.
In terms of soil-slope improvement, existing technology is all using tradition such as concrete, stone masonry shelves wall or anchor piles
Technical measures, and anchor pole (anchor cable)+lattice beam is the most common way of current slope retaining, the i.e. lattice by being set to side slope face
Beam and be set to the intracorporal anchor pole in slope (anchor cable) composition, anchor pole (anchor cable) is anchored on lattice beam, in lattice beam can grass planting, but planted
The plant of plant cannot be well adapted for the absorption with pollution element in iron milltailings, and sometimes solid-holding capacity is also poor, because
This floristic chooses has the important ecological value for slope reinforcement.
Therefore, it with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials that those skilled in the art, which provide a kind of,
To solve the problems mentioned in the above background technology.
Summary of the invention
It is the slope reinforcement and ecological reestablishment to gather materials that the purpose of the present invention is to provide a kind of with iron milltailings, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials, which is characterized in that the core of slope reinforcement
Material selection iron milltailings and plant vetiver are aided with pink reineckea herb plant and are locked with anchor pole, while reaching pollution treatment, slope protection and greening
Multiple effect, technology implement process flow are as follows:
1) it modifies slope surface and builds concrete supporting and retaining system.
2) bottom base fabric and PE antiseepage film are paved.
3) construction materials prepare.
4) constructed and be laid with PC drainpipe.
5) bolt anchorage.
6) planting.
7) professional maintenance management.
As improvement: it the finishing slope surface and builds concrete supporting and retaining system and refers to and modify original slope, gradient ratio
For 1:1~2:1, the effect that bottom base fabric is paved is influenced to prevent and treat ground out-of-flatness；Then concrete supporting and retaining system is built in slope foot,
In order to prevent iron milltailings burst and iron milltailings in waste liquor contamination soil.
As further improvement: it is described pave bottom base fabric, PE antiseepage film refers to that the ground after smooth is laid with bottom
Base fabric and PE antiseepage film, are laid with different-thickness as needed, to prevent the pollutant in iron milltailings from damaging soil.
As further improvement: the described paving construction materials preparation refers to withered vetiver according to unequal length (most
It is long to be no more than 10cm, most short no less than 1cm) it is cut；By the withered cus-cus after curing agent, additive, iron milltailings and cutting
Grass is mixed in 20:1:3:1 ratio.
As further improvement: it is described construct and be laid with PC drainpipe and refer to gather materials above-mentioned rapidly by every layer of 1m
Thickness is successively laid with and is rolled compacting, and middle part is uniformly laid with PC drainpipe, and surface layer is laid with the pure soil of 1m thickness.
As further improvement: the bolt anchorage refers to that side slope surface first uses anchor pole to lock, and then passes through
Installation and casting concrete frame carry out secondary composite consolidation, concrete grade C30 to it, and reinforcing bar uses spiral, mix
Solidifying soil frame mesh size is 300 × 400mm.The crosspoint on each side of concrete net lattice beam and one end of anchor pole are fixed together,
Anchor pole inserts in slope, is vertical with slope slope surface, and anchor rod body uses spiral, is spaced 30~50cm, and length is 5~12m,
25~50mm of diameter.
As further improvement: between the planting refers within a grid and slope foot flat broadcasts sowing cus-cus respectively
Grass and lucky grass seed, the plantation spacing of vetiver are as follows: strain 10~15cm of spacing, the line space of adjacent rows are 10~25cm,
Side by side in groups, intersect between strain between the vetiver of adjacent rows, the spacing distance between adjacent sets is 70~100cm；It is lucky
The plantation spacing strain spacing of grass is 8~15cm, and the line space of adjacent rows is 15~25cm, side by side in groups, the institute of adjacent rows
It states and intersects between strain between pink reineckea herb, be spaced 80~120cm between adjacent sets again.Supply root water in time.
As further improvement: the professional maintenance management, which refers to, periodically to water (daily) to above-mentioned plant, is applied
The profession maintenance such as fertilizer (interval 20~30 days) and the prevention and control of plant diseases, pest control (interval 30~40 days).
Compared with the prior art, the advantages of the present invention are as follows:
1, gathered materials using iron milltailings as slope protection, in conjunction with lucky grass planting, explore iron milltailings resource utilization approach, become
Waste be changed into values, can reduce land pollution, while generating the ecological value.
2, vetiver considerably increases the skid resistance of side slope as reinforcement material.
Detailed description of the invention
With reference to the accompanying drawing and embodiment the present invention is described in further detail:
Fig. 1 is overhaul flow chart；
Fig. 2 is detection model structure chart.
The pure soil of 1- concrete supporting and retaining system, 2- bottom base fabric, 3-PE antiseepage film, 4- iron milltailings, 5-PC drainpipe, 6-, 7- coagulation
Native frame, 8- anchor pole, 9- vetiver, 10- pink reineckea herb.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~2, in the embodiment of the present invention, a kind of with iron milltailings is the slope reinforcement to gather materials and restoration of the ecosystem skill
Art, which is characterized in that the core material of slope reinforcement selects iron milltailings and plant vetiver, is aided with pink reineckea herb plant and uses anchor pole
8 lockings, while reaching the multiple effect of pollution treatment, slope protection and greening, the process flow that technology is implemented are as follows:
1) it modifies slope surface and builds concrete supporting and retaining system 1.
2) bottom base fabric 2 and PE antiseepage film 3 are paved.
3) construction materials prepare.
4) constructed and be laid with PC drainpipe 5.
5) anchor pole 8 is reinforced.
6) planting.
7) professional maintenance management.
It the finishing slope surface and builds concrete supporting and retaining system 1 and refers to and modify original slope, gradient ratio is 1:1~2:
1 modifies original slope, prevents and treats ground out-of-flatness and influences the effect that bottom base fabric is paved；Then slope foot concrete is built
Supporting and retaining system, concrete grade C30, in order to prevent iron milltailings 4 burst and iron milltailings 4 in waste liquor contamination soil.
It is described to pave bottom base fabric 2 and PE antiseepage film 3 refers to that the ground after smooth is laid with bottom base fabric 2 and PE antiseepage
Film 3, is laid with different-thickness as needed, to prevent the pollutant in iron milltailings 4 from damaging soil.
The described paving construction materials preparation refer to withered vetiver 9 according to unequal length (no longer than 10cm, most
Short no less than 1cm) it is cut；Withered vetiver 9 after curing agent, additive, iron milltailings 4 and cutting is pressed into 20:1:3:1 ratio
Example is mixed.
It is described construct and be laid with PC drainpipe 5 refer to by it is above-mentioned gather materials successively spread by every layer of 1m thickness rapidly
And if roll compacting, middle part is uniformly laid with PC drainpipe 5, and surface layer is laid with thick pure native 6 1m, and the plantation for subsequent plant is used
Soil.
The reinforcing of anchor pole 8 refers to that side slope surface first uses anchor pole 8 to lock, the construction process of this work are as follows:
Construction lofting, determine hole location → drilling machine it is in place → drilling → borehole cleaning → 8 → slip casting of installation anchor pole → processing installing frame lattice beam reinforcing bar
→ installation template → sash beam concreting → maintenance (7 days).Side slope surface first uses anchor pole 8, and (anchor rod body uses screw thread
Reinforcing bar, is spaced 30~50cm, and length is 5~12m, 25~50mm of diameter) lock, then pass through installation and casting concrete
7 structure of frame (concrete grade C30, reinforcing bar use spiral, and nominal diameter uses stock size according to the actual situation,
Concrete frame sizing grid is 300 × 400mm) secondary composite consolidation is carried out to it.Furthermore, it is desirable that sash beam embeds loess about
30cm。
Between the planting refers within a grid and slope foot flat broadcasts sowing vetiver 9 and 10 kinds of pink reineckea herb respectively
Son, the plantation spacing of vetiver 9 are 10~15cm, and the line space of adjacent rows is 10~25cm, side by side in groups, adjacent rows
Intersect between strain between the vetiver 9, the spacing distance between adjacent sets is 70~100cm；Between the plantation spacing strain of pink reineckea herb 10
It is 15~25cm, side by side in groups, strain between the pink reineckea herb 10 of adjacent rows away from the line space for 8~15cm, adjacent rows
Between intersect, 80~120cm is spaced between adjacent sets again, it is desirable that seed broadcasting uniformly and supply root water in time, to avoid portion is caused
Divide the soil body exposed, influences the practicability and aesthetics of slope surface, 9 plant of vetiver can prevent erosion, pink reineckea herb 10 and soil
Combination can improve the physical property of soil, absorb the pollution element in iron milltailings 4, and the water by adjusting soil used,
Vaporous condition can advantageously promote the growth of pink reineckea herb 10.
The professional maintenance management refer to and periodically watered (daily), apply fertilizer to above-mentioned plant (first organic fertilizer, after
Apply compound fertilizer, be spaced 20~30 days) and the prevention and control of plant diseases, pest control (be spaced 30~40 days, so that plant is survived and is grown completely, and protect
The function of demonstrate,proving its slope protection and greening is realized) etc. profession conserve.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
- It with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials 1. a kind of, which is characterized in that the core material of slope reinforcement Material selects iron milltailings and plant vetiver, is aided with pink reineckea herb plant and is locked with anchor pole 8, while reaching pollution treatment, slope protection and greening Multiple effect, technology implement process flow are as follows:1) it modifies slope surface and builds concrete supporting and retaining system (1).2) bottom base fabric (2) and PE antiseepage film (3) are paved.3) construction materials prepare.4) constructed and be laid with PC drainpipe (5).5) anchor pole (8) is reinforced.6) planting.7) professional maintenance management.
- 2. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Finishing slope surface and build concrete supporting and retaining system (1) and refer to and modify original slope, gradient ratio is 1:1~2:1, to prevent and treat ground Face out-of-flatness and influence the effect that bottom base fabric is paved；Then concrete supporting and retaining system (1) is built in slope foot.
- 3. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Pave bottom base fabric (2) and PE antiseepage film (3) refers to that the ground after smooth is laid with bottom base fabric (2) and PE antiseepage film (3), It is laid with different-thickness as needed.
- 4. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Paving construction materials preparation refer to withered vetiver (9) according to unequal length (no longer than 10cm, most it is short no less than 1cm) cut；Withered vetiver (9) after curing agent, additive, iron milltailings (4) and cutting is mixed in 20:1:3:1 ratio Close stirring.
- 5. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Carry out construct and be laid with PC drainpipe (5) refer to by it is above-mentioned gather materials successively be laid with by every layer of 1m thickness rapidly and roll rammer Real (4), middle part are uniformly laid with PC drainpipe (5), and surface layer is laid with thick pure native (6) 1m.
- 6. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Anchor pole (8) reinforcing refer to that side slope surface first uses anchor pole (8) to lock, then by installation and casting concrete frame (7) secondary composite consolidation, concrete grade C30 are carried out to it, reinforcing bar uses spiral, and concrete frame sizing grid is 300×400mm.The crosspoint on each side of concrete net lattice beam and one end of anchor pole are fixed together, anchor pole (8) inserts in slope, It is vertical with slope slope surface, anchor pole (8) body of rod use spiral, be spaced 30~50cm, length be 5~12m, diameter 25~ 50mm。
- 7. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Planting refer within a grid between and slope foot flat broadcast sowing vetiver (9) and pink reineckea herb (10) seed, cus-cus respectively The plantation spacing of careless (9) is 10~15cm, and the line space of adjacent rows is 10~25cm, side by side in groups, adjacent rows it is described Intersect between strain between vetiver (9), the spacing distance between adjacent sets is 70~100cm；Between the plantation spacing strain of pink reineckea herb (10) Away from for 8~15cm, the line space of adjacent rows is 15~25cm, side by side in groups, between the pink reineckea herb (10) of adjacent rows Intersect between strain, is spaced 80~120cm between adjacent sets again, supplies root water in time.
- 8. being according to claim 1 the slope reinforcement and ecological reestablishment to gather materials with iron milltailings, which is characterized in that described Professional maintenance management refer to periodically watered (daily), apply fertilizer to above-mentioned plant (interval 20~30 days) and the prevention and control of plant diseases, pest control The profession maintenance such as (interval 30~40 days).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737267.7A CN108951666A (en) | 2018-07-06 | 2018-07-06 | A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810737267.7A CN108951666A (en) | 2018-07-06 | 2018-07-06 | A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials |
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| CN108951666A true CN108951666A (en) | 2018-12-07 |
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| CN201810737267.7A Pending CN108951666A (en) | 2018-07-06 | 2018-07-06 | A kind of with iron milltailings is the slope reinforcement and ecological reestablishment to gather materials |
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| CN114679926A (en) * | 2022-01-06 | 2022-07-01 | 武汉市秀谷科技有限公司 | Method for ecological restoration of tailing pond |
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