CN107630436A - A kind of ecological wetland type bank slope structure and its construction method for administering mining collapse area - Google Patents

A kind of ecological wetland type bank slope structure and its construction method for administering mining collapse area Download PDF

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CN107630436A
CN107630436A CN201710939598.4A CN201710939598A CN107630436A CN 107630436 A CN107630436 A CN 107630436A CN 201710939598 A CN201710939598 A CN 201710939598A CN 107630436 A CN107630436 A CN 107630436A
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road
area
green belt
soil
bank
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周建伟
温冰
袁磊
陈洪年
王永辉
郑晓明
张黎明
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China University of Geosciences
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China University of Geosciences
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Abstract

Present invention employs a kind of ecological wetland type bank slope structure and its construction method for administering mining collapse area, including bank barricade, sightseeing pavement, green belt, design road and aquatic vegetation to settle in an area;The bank barricade is lattice guest's barrier wall structure flexible protective structure, adapts to the differential settlement of ground, keeps soil stabilization;The aquatic vegetation area is located at the phytal zone of collapse lake, close to the bank dams setting;The sightseeing pavement is located on the inside of the bank barricade, the side away from water body;The both sides of the design road are distributed the green belt, and a green belt is distributed between the design road and the sightseeing pavement;Aquatic vegetation, which is settled in an area, to be built various plants with green belt and mixes raw stable community, and aquatic vegetation settle in an area can also purifying water body, greatly improve sight, improve the environment of subsidence area;Sight seeing road and design road have recovered the communication function of subsidence area, while have taken into account the function of sightseeing and traffic, improve the traffic safety of subsidence area.

Description

A kind of ecological wetland type bank slope structure and its construction method for administering mining collapse area
Technical field
The invention belongs to environmental technology field, and in particular to a kind of ecological wetland type bank slope structure for administering mining collapse area And its construction method.
Background technology
Surface collapse, ground fissure, water and soil pollution, topography and geomorphology landscape destruction, aqueous damage layer, soil caused by coal mining The problems such as ground destruction Of resources, infrastructure slope evil idea and environmental destruction, it is prevalent in mining collapse area, heavy damage Human settlement, constrain socio-economic development.China has a large population and a few land, and land resource is extremely valuable, and most of coal mine is located at Plough below forest land, coal mining subsidence area directly results in the destruction in arable land forest land.The destruction in a large amount of high-quality arable lands so that people contradiction dash forward Go out, be unfavorable for social stability.
Improvement to mining collapse area, it is most of at present still to rest on the basis of consolidation and land reclamation, it is extensive Multiple soil is mostly farming land.But the life of system is not carried out shoveling, digging, padding, based on equality engineering measure during improvement State geology etc. is investigated and research.It is inadequate to coal mining subsidence area region shore slope attention degree, often put using concrete revetment or naturally Domatic formula, not only unsightly but also ecological coordination is poor.
The content of the invention
In view of this, the embodiment provides a kind of water resource for making full use of subsidence area abundant, establish attractive in appearance Ecotypic wetland bank slope structure, repair the ecosystem of mining collapse area.
In order to solve the above technical problems, the technical scheme that embodiments of the invention use is, one kind administers mining collapse area Ecological wetland type bank slope structure, including bank barricade, sightseeing pavement, green belt, design road and aquatic vegetation settle in an area;Institute It is lattice guest's barrier wall structure to state bank barricade;The aquatic vegetation area is located at the phytal zone of collapse lake, is kept off close to the bank Wall is set;The sightseeing pavement is located on the inside of the bank barricade, the side away from water body;The both sides distribution of the design road The green belt, a green belt is distributed between the design road and the sightseeing pavement.
Preferably, the bank barricade uses fills building stones formation lattice guest's barrier wall structure in lattice guest;The grain of the building stones Footpath is 100mm~300mm, and the porosity formed between building stones is not more than 30%, and building stones strength grade is MU30, and proportion is not less than 2.5t/m3;The height of the bank barricade is higher by maximum design flood 0.7m.
Preferably, in addition to backfill rock layers, the sightseeing pavement, green belt, design road are respectively positioned on the backfill The top of rock layers.
Preferably, the backfill rock layers include soil horizon and stone sand bed, and the soil horizon is filling farmland raw soil layer, thick Spend for 60cm~80cm;The stone sand bed is located at the lower section of the soil horizon, and the cement after filling gangue or drying is husky to be formed.
Preferably, the sightseeing pavement is layed in absolute altitude and is higher by maximum design flood 1.2m~1.5m, the sightseeing Earth's surface mellow soil is further filled between pavement and the backfill rock layers.
It is preferably located at the sightseeing pavement and designs green belt of the green belt between road for gentle slope structure, plantation Shrub and herbaceous plant;The green belt of the design road opposite side, width are 15m~30m, and its bottom backfill thickness is 30cm, plantation shrub, herbaceous plant and arbor.
The embodiment of the present invention also provides a kind of construction method for the ecological wetland type bank slope structure for administering mining collapse area, bag Include following steps:
(1) aquatic vegetation is built to settle in an area;
(2) earth's surface mellow soil stripping is carried out to ground subsidence area, using dry season water level line as boundary, ground subsidence area domain peeled off Earth's surface mellow soil carries out backfill stone again;
(3) bank barricade is built;Settled in an area close to the aquatic vegetation and build bank barricade;
(4) sightseeing pavement is built close to the bank barricade, while builds design road;
(5) the sightseeing pavement and design road between and design the further backfill stone of road opposite side build greening Area.
Compared with correlation technique, the beneficial effect that the technical scheme of embodiments of the invention offer is brought is:It is of the invention real Apply the ecological wetland type bank slope structure of the improvement mining collapse area of example, including bank barricade, sightseeing pavement, green belt, design road Road and aquatic vegetation are settled in an area;The bank barricade is lattice guest's barrier wall structure, and lattice guest's barricade belongs to typical flexible protective structure, The differential settlement of ground is adapted to, keeps soil stabilization;The aquatic vegetation area is located at the phytal zone of collapse lake, tightly The adjacent bank dams setting;The sightseeing pavement is located on the inside of the bank barricade, the side away from water body;The design road The both sides on road are distributed the green belt, and a green belt is distributed between the design road and the sightseeing pavement;Water plant Community zone and green belt build various plants and mix raw stable community, and aquatic vegetation settle in an area can also purifying water body, enter one Step improves the environment of subsidence area;Sight seeing road and design road have taken into account the function of sightseeing and traffic simultaneously, realize human and vehicle shunting, Improve the traffic safety of subsidence area.
Brief description of the drawings
Fig. 1 is the ecological wetland type bank slope structural representation that the embodiment of the present invention administers mining collapse area;
Fig. 2 is the construction method flow signal for the ecological wetland type bank slope structure that the embodiment of the present invention administers mining collapse area Figure.
Wherein:Aquatic vegetation settle in an area 1, bank barricade 2, sightseeing pavement 3, green belt 4, design road 5, present situation above-ground route 7th, topsoil stripping line 8, backfill rock layers 9.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is further described.
Embodiment one
Referring to the drawings 1, a kind of ecological wetland type bank slope structure for administering mining collapse area, including aquatic vegetation settle in an area 1, Bank barricade 2, sightseeing pavement 3, green belt 4, design road 5;The aquatic vegetation settle in an area 1 be located at collapse lake phytal zone, Planting aquatic plants, enhancing sight, and catharsis can be played to water body, promote the growth of aqueous bio, be effectively improved and collapse Fall into the environment for the collapse lake that area is formed;The bank barricade 2 is lattice guest's barrier wall structure, settles in an area and 1 repaiies close to the aquatic vegetation Build, the lattice guest barricade 2 belongs to typical flexible protective structure, is adapted to the differential settlement of ground, keeps subsidence area soil The stabilization of body, maintain the firm of bank slope;The sightseeing pavement 3 is located at the inner side of the bank barricade 2, away from the phytal zone Side, sightseeing pavement 3 can take a walk for pedestrian and go sightseeing;It is a greening between the sightseeing pavement 3 and the design road 5 Draft, shrub are planted in area 4,4 kinds of the green belt;The outside of the design road 5 is another green belt 4, another described green Change 6 kinds of area and plant draft, shrub, arbor.The design road 5 is used for traffic, is used cooperatively with sightseeing pavement 3, has recovered to collapse The traffic in area, human and vehicle shunting is realized, improve security;The green coverage of subsidence area is improved in the green belt 4, further improves and collapses The ecological environment in area is fallen into, fundamentally administers the environment of Subsidence Land in Coal Mining Area, the plant of green belt 4 can fix water and soil, improve bank slope Stability.
Further, the bank barricade 2 is using filling building stones formation lattice guest's barrier wall structure in lattice guest;The building stones Particle diameter is 100mm~300mm, the porosity formed between building stones is not more than 30%, and aquatic vegetation is settled in an area 1 and green belt 4 Plant or rhizome can extend into hole, conserve water and soil, and further improve the stability of jewellery bank barricade 2;And hole can be certainly Row draining, it is not necessary to separately set osculum;Jewellery building stones strength grade is MU30, and proportion is not less than 2.5t/m3;The bank barricade Height be higher by design flood level 0.7m, improve the barrier propterty of bank barricade 2 and the security and stability of bank slope.
Further, in addition to backfill rock layers 9, it is boundary with present situation above-ground route 7, the table soil stripping of subsidence area is made a misstep in coal Offline 8 peel off earth's surface mellow soil 30cm upwards, then are backfilled;The backfill rock layers 9 include soil horizon and stone sand bed, the soil Earth layer is filling farmland raw soil layer, and thickness is 60cm~80cm;The stone sand bed is located at the lower section of the soil horizon, passes through filling Gangue or the husky intensity for being formed, ensureing backfill rock layers 9 of cement after drying.
Further, the sightseeing pavement 3, green belt 4, design road 5 are respectively positioned on the tops of the backfill rock layers 9. The soil horizon of the backfill rock layers 9 can provide good soil environment for the draft of green belt 4, shrub, magaphanerophytes.
Further, it is gentle slope structure for a green belt 4 between the sightseeing pavement 3 and the design road 5, slope Degree is by design road and the high process control of sightseeing pavement;It is described design road 5 outside be another green belt 4 width be 15m~ 30m;The bottom of the green belt 4 is up sequentially filled earth's surface mellow soil, thick fill and thick planting soil from backfill rock layers 9, described The thickness of earth's surface mellow soil, thick fill and thick planting soil is followed successively by 30cm, 2.56m, 0.2m.
Further, the sightseeing pavement 3 is layed in absolute altitude and is higher than at maximum design flood 1.2m~1.5m, the sight Earth's surface mellow soil is further filled between light pavement 3 and the backfill rock layers 9, until reaching absolute altitude requirement;The sightseeing pavement 3 Built up for environment-friendly materials such as slabstone, plank, cobbles.
Further, the design absolute altitude of road 5 is higher by maximum design flood 2m~2.5m;Design road 5 position regards Depending on concrete condition, road is generally cement road or asphalt road.
Referring to the drawings 2, the embodiment of the present invention also provides a kind of ecological wetland type bank slope structure for administering mining collapse area Construction method, comprise the following steps:
(1) build aquatic vegetation and settle in an area 1;Aquatic vegetation settle in an area 1 positioned at subsidence area formed waters shallow water area, only Changing improves the environment of water body, promotes growth biological in water body, there is provided good wetland effect;
(2) carry out earth's surface mellow soil to ground subsidence area to peel off to form backfill rock layers 9, be boundary with present situation above-ground route 7, Coal makes a misstep subsidence area and peels off earth's surface mellow soil 30cm upwards with topsoil stripping line 8, then is backfilled;The backfill rock layers 9 are wrapped Soil horizon and stone sand bed are included, the soil horizon is filling farmland raw soil layer, and thickness is 60cm~80cm;The stone sand bed is located at institute The lower section of soil horizon is stated, is formed by the way that the cement after filling gangue or drying is husky;
(3) bank barricade 2 is built, the shallow water area close to the surface collapse area builds bank barricade 2;Bank barricade 2 Lattice guest's barrier wall structure is formed using building stones are filled in lattice guest;The particle diameter of the building stones is 100mm~300mm, shape between building stones Into porosity be not more than 30%, aquatic vegetation settles in an area 1 plant or rhizome can extend into hole, conserves water and soil, further Improve the stability of jewellery bank barricade 2;And hole can self-draining, it is not necessary to separately sets osculum;Jewellery building stones strength grade For MU30, proportion is not less than 2.5t/m3;The height of the bank barricade is higher by maximum design flood 0.7m, improves bank gear The barrier propterty of wall 2 and the security and stability of bank slope structure;
(4) sightseeing pavement 3 is built close to the bank barricade 2, while builds design road 5;The sightseeing pavement 3 and set Meter road 5 is respectively positioned on the top of the backfill rock layers 9, and the backfill rock layers 9 are further backfilled according to absolute altitude;The sight Light pavement 3 is layed in absolute altitude higher than at maximum design flood 1.2m~1.5m;The design absolute altitude of road 5 is higher by design most High flood level 2m~2.5m;
(5) green belt 4,4 kinds of the green belt plant positioned at the sightseeing pavement 3 between the design road 5 are built The plants such as draft, shrub and arbor are planted in the plants such as draft, shrub, 4 kinds of the green belt in the outside of design road 5;The design The width of the green belt 4 in the outside of road 5 is 15m~30m;The green belt 4 filling upwards successively in the backfill rock layers 9 Earth's surface mellow soil, thick fill, thick planting soil, the earth's surface mellow soil, thick fill, the thickness of thick planting soil be followed successively by 30cm, 2.56m, 0.2m。
Embodiment two
Existed using the ecological wetland type bank slope structure and its construction method of the improvement mining collapse area of the embodiment of the present invention one Zhou Cheng mined-out region TX1 sections structure ecological wetland type bank slope.
Referring to the drawings 1, according to provided data is reconnoitred, the maximum design flood absolute altitude of Zhou Cheng TX1 sections is 39.3m, Design low water phase mean water absolute altitude is 38m.Present situation ground elevation line on the basis of present situation above-ground route 7, it is highly 38m-39m
Aquatic vegetation, which is formed, in the phytal zone planting aquatic plants for the collapse lake that subsidence area is formed settles in an area 1.
Earth's surface more than low water level is ploughed and plants soil and need to peel off, use towed scraper during construction, by earth's surface 0.3m thickness Table soil carry out scraper stripping, be transported to beyond back filled region and concentrate stacking.Before excavation and construction survey is performed in digging process, is opened It is ± 30mm to dig projected depth allowable error, is examined using steel ruler amount.
Bank barricade 2 is using plating Gao Erfangebin Gravity Retaining Walls, and barricade is divided to waterborne, underwater two parts to design, barricade Design is higher by maximum design flood 0.7m, bottom buried depth >=1m, needs to lay polyester after lattice guest's barricade wall and grows fine non-woven fabrics and carry out Anti-filter.Ge Bin is the engineering component that the twisted pair hexagonal metallic grid worked out by mild steel wire through machine combines, in structure Rockfilled in part and form the structure of supporting and retaining system protection.Filler uses cobble, slabstone or block stone, Ge Bin and Sai Kegebin rockfill particle diameter with Diameter 100mm~300mm is advisable, and voidage is no more than 30%, it is desirable to which building stones quality is hard, strength grade MU30, and proportion is not small In 2.5t/m3, weathering resistance, meet water not easy disintegrating and hydrolysis.The building stones of the shapes such as thin slice, strip should not use.Decayed rock, mud Rock etc. must not also be used as filling building stones, and lattice guest takes laid dry mode by face wall 30cm scopes.Geotextiles grow fine nonwoven using polyester Cloth:Nominal fracture strength 10kN/m.
According to existing highway absolute altitude and physical relief absolute altitude in area, meanwhile, consider rich low water level, the design absolute altitude of road 5 is 41~42m.3 minimum absolute altitude of sightseeing pavement need to be higher than flood level 20cm.The absolute altitude of green belt 4 is controlled by design road 5 and sightseeing pavement 3 System, its absolute altitude is 39.2~41m, depending on terrain slope, designs the embankment absolute altitude of diverse location.And the ground after topsoil stripping Face absolute altitude is 38m or so, it is therefore desirable to which larger earth volume backfills.
Earthwork source mainly has three, first, Collapse Pit waters excavation zone, is connected second, getting through two and collapsing lakes and marhshes to it Locate the excavation that the earthwork is carried out, third, the raw-soil of place outer portion physical features eminence.Usage mining machine carries out excavation during excavation, and waters is dug Side constructs in dry season lowstand period, is directly pushed into back using bull-dozer when when excavation zone, distance closes on embankment offset from less than 80m Area is filled out, if distance is more than 80m, embankment area waterborne removal, backfill are transported to using dump truck.
According to design drawing, divide and backfill region, respectively unwrapping wire.Embankment, compaction in layers, self-unloading must be layered during embankment After formula automobile removal bankets, backfill is bulldozed using bull-dozer, control primary backfill depth is not more than 50cm, is dragged using crawler belt Machine drawing is rolled.Main flow is:Base treatment-back-filling in layers, paving and leveling-roller layered rolling-surface layer are repaiied It is whole.Working face smaller part, flattened and tamped by artificial backfill.
If the middle moisture content that banketed in embankment work progress is high, band layer of sand is backfilled first, as drainage measure.Every layer is filled Thickness, water content control, compaction.Filling-up thickness and compacting counting should determine according to soil property, compacting factor and equipment used. After embankment construction terminates, absolute altitude, compacting degree etc., the regulation that test stone should meet should be checked.
The fill construction quality control standards (QCS) (mm) of table 1
The backfill earthwork is to that can build design road 5 and sightseeing pavement 3 after absolute altitude, and sightseeing pavement 3 is in the inner side of bank barricade 2 (away from water body side), sightseeing pavement 3 is using material-pavings such as slabstone, plank, cobbles.This secondary design road 5 is around lake water mud Road, wide 4~6m, highway edge are 10m recently away from sightseeing pavement 3, and road is by country and the progress of Shandong Province's Road Design specification Design and build.
Green belt 4 build the both sides of design road 5 in, designs the roadside planting arbor of road 5, and before planting plants, green belt 4 needs The earth's surface mellow soil peeled off when stemming operation starts.Design road 5 to the gradient of the green belt 4 between sightseeing pavement 3 there are about 1.5m, Direct herbaceous plant seeds of sowing grass seeds by duster.The preferably tall shrub in green belt 4 for designing the outside of road 5 is combined, and design road 5 both sides also should In column shade tree is planted along road.It is shorter to design gradient distance of the road 5 to the green belt 4 between sightseeing pavement 3, and designs road The existing arbor in the both sides of road 5, suitable shrub and draft combine plantation.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero The mutual position of part is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (10)

1. a kind of ecological wetland type bank slope structure for administering mining collapse area, it is characterized in that, including positioned at the phytal zone of collapse lake Aquatic vegetation settle in an area, bank barricade, sightseeing pavement, green belt, design road;The bank barricade is lattice guest's barricade knot Structure, settled in an area close to the aquatic vegetation;The sightseeing pavement is located at the inner side of the bank barricade, away from the phytal zone Side;One green belt is set between the sightseeing pavement and the design road, and the outside of the design road is set separately One green belt.
2. a kind of ecological wetland type bank slope structure for administering mining collapse area according to claim 1, it is characterized in that, also wrap Backfill rock layers are included, the backfill rock layers include soil horizon and stone sand bed, and the soil horizon is to fill farmland raw soil layer, thickness For 60cm~80cm;The stone sand bed is located at the lower section of the soil horizon, passes through the cement sand shape after filling gangue or drying Into;The sightseeing pavement, green belt, design the top that road is respectively positioned on the backfill rock layers.
3. a kind of ecological wetland type bank slope structure for administering mining collapse area according to claim 2, it is characterized in that, it is located at Green belt between sightseeing pavement and the design road is gentle slope structure;Another green belt on the outside of the design road Width be 15m~30m;The bottom of the green belt backfilled successively from the bottom up in the backfill rock layers earth's surface mellow soil, Thick fill and thick planting soil, the thickness of the earth's surface mellow soil is 30cm, and the thickness of the thick fill is 2.56m, the thick plantation The thickness of soil is 0.2m.
4. a kind of ecological wetland type bank slope structure for administering mining collapse area according to claim 1, it is characterized in that, it is described Lattice guest barrier wall structure is that filling building stones are formed in lattice guest, and the particle diameter of the building stones is 100mm~300mm, is formed between building stones Porosity is not more than 30%;The height of the bank barricade is higher by maximum design flood 0.7m.
5. a kind of ecological wetland type bank slope structure for administering mining collapse area according to claim 1, it is characterized in that, it is described Sightseeing pavement is that slabstone, plank or cobble laying form, and absolute altitude is higher by maximum design flood 1.2m~1.5m;The design road Road sign height is higher by maximum design flood 2m~2.5m.
6. a kind of construction method of the ecological wetland type bank slope structure of improvement mining collapse area described in claim 1, its feature It is to comprise the following steps:
(1) aquatic vegetation is built to settle in an area;The aquatic vegetation area is located at the phytal zone of collapse lake;
(2) backfill forms backfill rock layers after earth's surface mellow soil stripping being carried out to ground subsidence area;It is right using dry season water level line as boundary Peel off earth's surface mellow soil and carry out backfill stone again in surface collapse area;
(3) settled in an area close to the aquatic vegetation and build bank barricade;
(4) sightseeing pavement is built close to the bank barricade in the backfill rock layers, while builds design road;
(5) green belt is built in the backfill rock layers;Green belt between the sightseeing pavement and the design road is Draft/shrub plant group green belt, the green belt designed on the outside of road is draft/filling/group of magaphanerophytes green belt.
7. a kind of construction method of ecological wetland type bank slope structure for administering mining collapse area according to claim 6, its It is characterized in, in step (2), the backfill rock layers include soil horizon and stone sand bed, and the soil horizon is filling farmland raw soil layer, Thickness is 60cm~80cm;The stone sand bed is located at the lower section of the soil horizon, passes through the cement after filling gangue or drying Sand is formed;The sightseeing pavement, green belt, design the top that road is respectively positioned on the backfill rock layers.
8. a kind of construction method of ecological wetland type bank slope structure for administering mining collapse area according to claim 7, its It is characterized in, in step (5), the green belt between the sightseeing pavement and the design road is gentle slope structure;The design road The width of green belt on the outside of road is 15m~30m;The bottom of the green belt up backfills ground successively from the backfill rock layers Table mellow soil, thick fill and thick planting soil, the backfill thickness of the earth's surface mellow soil is 30cm, and the thickness of the thick fill is 2.56m, The thickness of the thick planting soil is 0.2m.
9. a kind of construction method of ecological wetland type bank slope structure for administering mining collapse area according to claim 6, its It is characterized in, in step (3), the bank barricade is lattice guest's barrier wall structure, and building stones are filled in lattice guest and are formed, the grain of the building stones Footpath is 100mm~300mm, and the porosity formed between building stones is not more than 30%;The height of the bank barricade is higher by design most High flood level 0.7m.
10. a kind of construction method of ecological wetland type bank slope structure for administering mining collapse area according to claim 6, its It is characterized in, in step (4), the sightseeing pavement is that slabstone, plank or cobble laying form, and absolute altitude is higher by maximum design flood 1.2m~1.5m;The design road elevation is higher by maximum design flood 2m~2.5m.
CN201710939598.4A 2017-09-30 2017-09-30 A kind of ecological wetland type bank slope structure and its construction method for administering mining collapse area Pending CN107630436A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109804833A (en) * 2019-03-12 2019-05-28 安徽理工大学 A method of vegetation root system damages during reducing minery surface subsidence
CN110468856A (en) * 2019-07-25 2019-11-19 安徽新宇生态产业股份有限公司 A kind of wetland bank slope ecosystem and construction method for administering mining collapse area
CN111877256A (en) * 2020-08-14 2020-11-03 中国矿业大学 Construction method of ecological barrier in coal mining subsidence area

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109804833A (en) * 2019-03-12 2019-05-28 安徽理工大学 A method of vegetation root system damages during reducing minery surface subsidence
CN110468856A (en) * 2019-07-25 2019-11-19 安徽新宇生态产业股份有限公司 A kind of wetland bank slope ecosystem and construction method for administering mining collapse area
CN111877256A (en) * 2020-08-14 2020-11-03 中国矿业大学 Construction method of ecological barrier in coal mining subsidence area

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