CN107119700A - A kind of slope reinforcement and ecological protection system - Google Patents
A kind of slope reinforcement and ecological protection system Download PDFInfo
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- CN107119700A CN107119700A CN201710532215.1A CN201710532215A CN107119700A CN 107119700 A CN107119700 A CN 107119700A CN 201710532215 A CN201710532215 A CN 201710532215A CN 107119700 A CN107119700 A CN 107119700A
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- slope
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- pile
- ecological protection
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 241000826860 Trapezium Species 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004162 soil erosion Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 20
- 230000003628 erosive effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- 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
- A01G9/022—Pots for vertical horticulture
- A01G9/024—Hanging flower pots and baskets
-
- 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
-
- 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
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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)
- Revetment (AREA)
Abstract
The invention discloses a kind of slope reinforcement and ecological protection system, including pushing up the supporting construction in plane and the protective slope structure at slope below supporting construction located at slope, supporting construction includes mini pile and the friction pile at the arch springing of arc both sides that arc is arranged, and the stake top of friction pile and the stake top of mini pile are connected with linking beam；Protective slope structure includes the nonwoven geotechnique of stack paving on the slope from the bottom up and weaved cotton cloth and wire netting, and plant biological bag is tied with wire netting, and anchor pole is weaved cotton cloth through wire netting and nonwoven geotechnique and inserts slope.Slope reinforcement and ecological protection system provided by the present invention, supporting construction maintain Landslide Stability, and low cost construction has fewer environmental impacts soon, and protective slope structure reduces the soil erosion in engineering construction.Slope vegetation protection technology is combined with engineering protection measure, plays the two respective advantage, can effectively be solved slope project protection and the contradiction of environmental destruction, be reached mankind's activity and the harmonious coexistence of natural environment.
Description
Technical field
The invention belongs to environmental geotechnical technical field, and in particular to a kind of slope reinforcement and ecological protection system.
Background technology
It is a large amount of to excavate with the large-scale development of the Large scale construction and mine of national development of the West Regions and freeway net
Bare side sloping, water and soil conservation, the ecological balance and environmental protection are generated and had a strong impact on, heavy losses are caused.Side slope is given birth to
State destruction can not only directly result in soil erosion and destroy engineering construction in itself, and can be by environment and safe disaster to people
People's security of the lives and property is impacted and threatened.New excavation slope often influences ecological balance state, environment and engineering because
Under the influence of element, side slope slopes easily induce the geological disaster such as cave in, come down, and cause huge economic loss and casualties.Cause
This, must reasonably be protected it, to reduce the generation of environment and safe disaster in time after slope excavating.Ecological revetment side
Formula is then the optimal selection for solving slope ecological and safety problem.
But slope protection greening is mostly the modes such as turf tiling, soil moved in improve the original plant plant bank protection, is carried out around side slope temporary transient
Efficiently afforest, ecological revetment stability is poor, early stage maintenance is difficult, resistance to overturning is poor.From side slope angle, rock mass water conservation
Function is poor, and the activation nutrient contained is few, and vegetation root system is difficult to absorb enough moisture and nutrient from side slope rock stratum to grow for it
Development.Domatic rainfall runoff speed is big, is easily formed in high rainfall area and washes away erosion, the soil particle of domatic weathering and
The soil particle that wind fortune is brought is domatic it is difficult to retain and be piled up in toe by waterpower and Action of Gravity Field, rainfall in addition again can not be stagnant
Stay on domatic, cause vegetation to be difficult to survive.
In addition, for unstability side slope, plant retaining meeting relative reduction Side Slope Safety Coefficient, the later stage easily causes soil erosion
Or coombe.Ecological revetment cost and later maintenance cost are simultaneously not apparent from reduction, do not possess obvious economic advantages.If however, not
Certain supporting measure stable side slope is taken, the formation come down again is prevented, the ecosystem can not play a role, and plant is difficult to
It is laid in side slope, it is impossible to grow.
The content of the invention
Present invention aim to address above mentioned problem there is provided a kind of slope reinforcement and ecological protection system, not only with steady
Gu side slope performance, safe and reliable, construction is fast, low cost, and has the advantages that protection bad border, prevents erosion.
In order to solve the above technical problems, the technical scheme is that：A kind of slope reinforcement and ecological protection system, including
The supporting construction in plane and the protective slope structure at slope below supporting construction are pushed up located at slope, supporting construction includes arc-like rows
The mini pile of cloth and the friction pile at the arch springing of arc both sides, the stake top of friction pile and the stake top of mini pile are and linking beam
It is connected；Protective slope structure includes the nonwoven geotechnique of stack paving on the slope from the bottom up and weaved cotton cloth and wire netting, is tied with wire netting
Plant biological bag, anchor pole is weaved cotton cloth through wire netting and nonwoven geotechnique and inserts slope.
Preferably, the plant biological bag is by iron wire or plastic tape colligation on wire netting, and the two ends of plant biological bag pass through anchor
Nail is fixed on the slope.
Preferably, the wire netting is made up of galvanized alloy, and the side length of element of wire netting is 30mm -40mm.
Preferably, the anchor pole is fixed on wire netting by pallet.
Preferably, the linking beam includes uniform beam and two variable cross-sections being respectively connected with uniform beam two ends
Beam, two non-uniform beams are connected with the stake top of friction pile respectively；Non-uniform beam is trapezium structure, and the upper bottom of trapezium structure is cut with waiting
Face beam is connected, and the bottom of trapezium structure is connected with friction pile.
Preferably, the upper bottom of the non-uniform beam is equal with the deck-siding of uniform beam, and the bottom of non-uniform beam is not more than anti-
The minimum length of side of sliding pile.
Preferably, on the non-uniform beam bottom starting point be last two mini piles between.
Preferably, the mini pile arranges the arc opening direction to be formed towards slip mass leading edge, relative with protective slope structure.
Preferably, the lower end of the friction pile and the lower end of mini pile both pass through slip mass and potential slip mass, are placed in
In stable basement rock.
The beneficial effects of the invention are as follows：
1st, a kind of slope reinforcement and ecological protection system provided by the present invention, top supporting construction maintain slip mass stable
Property, low cost construction have fewer environmental impacts soon, bottom protective slope structure reduce engineering construction in soil erosion.Slope vegetation protection skill
Art is combined with engineering protection measure, and while not only playing the two respective advantage, the deficiency of independent utility can be effectively improved again
And more preferably using effect is reached, the stabilization of side slope has both been can effectively ensure that, slope project protection is solved again to ecological environment
Destruction, realizes the fast quick-recovery of slope vegetation, reaches mankind's activity and the harmonious coexistence of natural environment.
2nd, the present invention improve traditional reinforcing side slope technique to a certain extent, by set arc arrange mini pile this
Novel lightweight antiskid supporting construction, can effectively block slopes to slide trend, bear compared with high thrust, the domatic cooperation anchor in bottom
Bar is used, and forms complete and stable slope reinforcement system, it is to avoid mini pile or anchor pole individually reinforce that stability is not enough lacks
Point, while greatly reducing large scale equipment excavates having a strong impact on for caused bare side sloping.Supporting construction and protective slope structure are independent
Build, work independently, be easy to side slope different parts to implement, build reconnaissance easily, each position can simultaneously construct and realize Fast Construction.
Brief description of the drawings
Fig. 1 is the structural representation of slope reinforcement of the present invention and ecological protection system.
Fig. 2 is the structural representation of supporting construction of the present invention.
Fig. 3 is the top view of supporting construction of the present invention.
Fig. 4 is the structural representation of protective slope structure of the present invention.
Description of reference numerals：1st, supporting construction；2nd, protective slope structure；3rd, friction pile；4th, mini pile；5th, non-uniform beam；6th, etc.
Cut section bar；7th, nonwoven geotechnique weaves cotton cloth；8th, wire netting；9th, plant biological bag；10th, anchor pole；11st, holdfast.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of slope reinforcement and ecological protection system that the present invention is provided, including in the plane of slope top
Supporting construction 1 and the protective slope structure 2 at the lower section slope of supporting construction 1, supporting construction 1 include the mini pile 4 that arc is arranged
And the friction pile 3 at the arch springing of arc both sides, the stake top of friction pile 3 and the stake top of mini pile 4 are connected with linking beam, micro-
The arc opening direction that the arrangement of type stake 4 is formed is relative with protective slope structure 2 towards slip mass leading edge.The lower end of friction pile 3 and miniature
The lower end of stake 4 both passes through slip mass and potential slip mass, is placed in stablizing in basement rock.
As shown in Figures 2 and 3, two changes that linking beam includes uniform beam 6 and is respectively connected with the two ends of uniform beam 6
Cut section bar 5, stake top of two non-uniform beams 5 respectively with friction pile 3 is connected.Non-uniform beam 5 be trapezium structure, trapezium structure it is upper
Bottom is connected with uniform beam 6, and the bottom of trapezium structure is connected with friction pile 3.The upper bottom of non-uniform beam 5 and the beam of uniform beam 6
Wide equal, the bottom of non-uniform beam 5 is not more than the minimum length of side of friction pile 3.
It can determine that the starting point at bottom on non-uniform beam 5 is preferably between last two mini piles by test of many times.Connect
Binder is connected with N number of spaced mini pile, and uniform beam is connected with N-2 spaced mini piles, uniform beam two
The non-uniform beam of side is connected with a mini pile respectively.
Due to that can bear larger load at the friction pile of domes, friction pile displacement is very restricted, and
Mini pile displacement for antiskid is larger, and the two is connected by linking beam simultaneously, so linking beam just assume responsibility for larger shear stress,
Produced maximum shear stress is located at the non-uniform beam being connected with friction pile, and non-uniform beam can bear bigger shearing, from
And bigger Thrust of Landslide can be born to a certain extent, reduce the possibility destroyed, so that extending supporting construction makes
Use the life-span.
Weaved cotton cloth 7 and metal as shown in figure 4, protective slope structure 2 includes the nonwoven geotechnique of stack paving on the slope from the bottom up
It is tied with plant biological bag 9 on net 8, wire netting 8, anchor pole 10 is weaved cotton cloth 7 insertion slopes through wire netting 8 and nonwoven geotechnique.Anchor pole 10 passes through
Pallet is fixed on wire netting 8, and anchor pole 10 is used to fixing wire netting 8 and nonwoven geotechnique weaves cotton cloth 7, and by upgrade a slope slopes with
The mini pile of top supporting construction is collectively forming anti-sliding support system, improves mini pile or anchor pole individually reinforces stability deficiency,
The poor shortcoming of bearing load ability.
Plant biological bag 9 is by iron wire or plastic tape colligation on wire netting 8, and the two ends of plant biological bag 9 are fixed by holdfast 11
On the slope.If with iron wire by the colligation of plant biological bag 9 on wire netting 8, iron wire need to apply antirust paint.Plantation climbing power in plant biological bag
Strong vine plant, vitality need not be conserved excessively by force, while strengthening water retention, increase the aesthetic property of greening side slope.
When being fixed using plant biological bag, several zonules are divided into, with the dual reinforcing of anchor pole holdfast, for ecology shield
During slope, plant biological bag will not slide along lower integument under gravity, it is ensured that the practicality of structure, it is to avoid plant biological bag is piled up
Issuable overall collapse.And lap of splice when traditional plant biological bag bank protection is stacked is reduced, so as to reduce loss and overlapping portion
Divide the consumption of material.
Wire netting 8 is made up of galvanized alloy, and the grid of wire netting 8 can be square, rectangle, circular or rhombus, when
When grid is square, rectangle or rhombus, side length of element is 30mm -40mm, and when grid is circle, Mesh Diameter is
30mm -40mm, wire netting can prevent the native stone particle in slope from sliding.Weaved cotton cloth and Al-alloy metal net complex using nonwoven geotechnique
Into bed course, the Al-alloy metal net of high intensity causes the bed course to have higher bearing capacity, and structural stability is good, to planting
Raw bag has preferable firm effect.Nonwoven geotechnique, which weaves cotton cloth, can effectively reduce base material moisture evaporation, and covering is uniform, and be difficult stream
Lose, prevent rain drop erosion, be conducive to grass seeds to germinate.Vegetable seeds grows to form vegetation, and formed by root system of plant with bed course
One entirety, so that side slope forms good greening and stronger ecological protection.After nonwoven geotechnological tissue ageing, root system of plant
Soil erosion can be prevented, so as to reach the purpose of permanent protection.
The slope reinforcement and ecological protection system of the present invention has preferable globality, can effectively improve supporting construction firm
Degree, and cheap, convenient and quick construction, afforestation effect are good, prevent erosion simultaneously, are effectively guaranteed rock side slope
Afforestation effect；Overall structure firmly, enriches side slope consolidation projects Support types, and ecological and engineering has been promoted to a certain extent
Bank protection prevents from combining the application in slope treatment and emergency work.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (9)
1. a kind of slope reinforcement and ecological protection system, it is characterised in that：Including located at slope push up plane on supporting construction (1) and
Protective slope structure (2) below the supporting construction (1) at slope, supporting construction (1) include the mini pile (4) that arc arranges and
Friction pile (3) at the arch springing of arc both sides, the stake top of friction pile (3) and the stake top of mini pile (4) are connected with linking beam；
Protective slope structure (2) includes the nonwoven geotechnique of stack paving on the slope from the bottom up and weaved cotton cloth (7) and wire netting (8), wire netting (8)
On be tied with plant biological bag (9), anchor pole (10) through wire netting (8) and nonwoven geotechnique weave cotton cloth (7) insert slope.
2. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：The plant biological bag (9) passes through
Iron wire or plastic tape colligation are on wire netting (8), and the two ends of plant biological bag (9) are fixed on the slope by holdfast (11).
3. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：The wire netting (8) is by plating
Kirsite is made, and the side length of element of wire netting (8) is 30mm -40mm.
4. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：The anchor pole (10) passes through support
Disk is fixed on wire netting (8).
5. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：The linking beam, which includes waiting, to be cut
Face beam (6) and two non-uniform beams (5) being respectively connected with uniform beam (6) two ends, two non-uniform beams (5) are respectively with resisting
The stake top of sliding pile (3) is connected；Non-uniform beam (5) is trapezium structure, and the upper bottom of trapezium structure is connected with uniform beam (6), trapezoidal
The bottom of structure is connected with friction pile (3).
6. slope reinforcement according to claim 5 and ecological protection system, it is characterised in that：The non-uniform beam (5)
Upper bottom is equal with the deck-siding of uniform beam (6), and the bottom of non-uniform beam (5) is not more than the minimum length of side of friction pile (3).
7. slope reinforcement according to claim 5 and ecological protection system, it is characterised in that：On the non-uniform beam (5)
The starting point at bottom is between last two mini pile (4).
8. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：Mini pile (4) arrangement
The arc opening direction of formation is relative with protective slope structure (2) towards slip mass leading edge.
9. slope reinforcement according to claim 1 and ecological protection system, it is characterised in that：Under the friction pile (3)
End and the lower end of mini pile (4) both pass through slip mass and potential slip mass, are placed in stablizing in basement rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532215.1A CN107119700A (en) | 2017-07-03 | 2017-07-03 | A kind of slope reinforcement and ecological protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532215.1A CN107119700A (en) | 2017-07-03 | 2017-07-03 | A kind of slope reinforcement and ecological protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107119700A true CN107119700A (en) | 2017-09-01 |
Family
ID=59730874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532215.1A Pending CN107119700A (en) | 2017-07-03 | 2017-07-03 | A kind of slope reinforcement and ecological protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107119700A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110674545A (en) * | 2019-09-03 | 2020-01-10 | 四川农业大学 | Complex boundary foundation pit model construction method |
| CN112359852A (en) * | 2020-11-17 | 2021-02-12 | 叶晓明 | Horizontal arc arch retaining wall and upper arch slope body |
| CN113575190A (en) * | 2021-07-30 | 2021-11-02 | 深圳市铁汉生态景观有限公司 | Slope protection re-greening structure based on long-strip vegetation bag |
| CN114622523A (en) * | 2022-04-23 | 2022-06-14 | 黄河园林集团有限公司 | Side slope water and soil conservation system based on river course vertical slope |
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| CN110674545A (en) * | 2019-09-03 | 2020-01-10 | 四川农业大学 | Complex boundary foundation pit model construction method |
| CN110674545B (en) * | 2019-09-03 | 2022-11-18 | 四川农业大学 | Complex boundary foundation pit model construction method |
| CN112359852A (en) * | 2020-11-17 | 2021-02-12 | 叶晓明 | Horizontal arc arch retaining wall and upper arch slope body |
| CN113575190A (en) * | 2021-07-30 | 2021-11-02 | 深圳市铁汉生态景观有限公司 | Slope protection re-greening structure based on long-strip vegetation bag |
| CN114622523A (en) * | 2022-04-23 | 2022-06-14 | 黄河园林集团有限公司 | Side slope water and soil conservation system based on river course vertical slope |
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