CN106958251B - The method of root system coalition framework bar strip ecological protection loess slope - Google Patents
The method of root system coalition framework bar strip ecological protection loess slope Download PDFInfo
- Publication number
- CN106958251B CN106958251B CN201710124952.8A CN201710124952A CN106958251B CN 106958251 B CN106958251 B CN 106958251B CN 201710124952 A CN201710124952 A CN 201710124952A CN 106958251 B CN106958251 B CN 106958251B
- Authority
- CN
- China
- Prior art keywords
- slope
- loess
- bar strip
- root system
- water draining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The method of root system coalition framework bar strip ecological protection loess slope provided by the invention, lattice network type water draining and accumulating groove is constructed in the slope surface of loess slope, the embedded anchor pole of vertical loess slope spaced apart in water draining and accumulating groove, expose slope surface in the anchor pole top, lower end passes through the surface layer (easily by the soil layer of rainfall infiltration infiltration) easily soaked and anchors to the inner layer that loess slope difficulty is soaked, patch slope surface fixes a crossbeam between adjacent two anchor pole top, forms lattice network type frame in slope surface；The plant spaced apart for planting well developed root system in water draining and accumulating groove, the bar strip that the surface layer implantation that loess slope easily soaks has tensile strength and absorbing and holding water property is passed perpendicularly through between adjacent two plant, and bar strip upper end is tensed into binding and fixing on crossbeam, bar strip lower end implantation depth reaches inside the inner layer of loess slope difficulty immersion.The method of the invention realizes that loess slope can not only carry out ecological maintenance, but also solves the problems, such as soil erosion.
Description
Technical field
The present invention relates to soil erosion and Reinforcement Works of Rock Slopes technical fields, and in particular to one kind takes root system coalition framework
The method of bar strip ecological protection ruling by law reason loess slope soil erosion.
Background technique
Soil erosion is extremely serious in China, especially especially serious in northwest China Canal in Loess Area.Bringing soil erosion under control
It is related to grain-production cultivated land guarantee and traffic safety, bringing soil erosion under control is a long-term vital task in the construction of territory.Water
If soil flow owner of lost property's soil erosion of side slope, soil erosion of side slope improvement is difficult point and the most important thing during water and soil is administered.In order to control
Soil erosion of side slope is managed, it has been developed that a variety of effective administering methods, such as spread grass seeds, turfing, hydraulic sprinkle in slope surface
The methods of grass planting, Three-Dimensional Network Seeding, lattice beam framework grass planting are administered.Ecological slope protection method is presently the most the side of people's approval
Slope administering method.But the ecological slope protection administering method of the prior art is difficult to implement in northwest China Loess Plateau.Reason it
First is that the Northwest's rainfall is few, water needed for lacking ecological management.Second is that loess, which meets water, will appear saturated yielding sinking and rainfall
Serious soil erosion even landslide can occur for side slope when larger.Therefore the soil erosion of side slope improvement side that people have developed
Method is such as spread the methods of grass seeds, turfing, hydraulic sprinkle grass planting, Three-Dimensional Network Seeding, lattice beam framework grass planting in slope surface, is difficult
Suitable for loess slope bringing soil erosion under control.Canal in Loess Area rainy season is short and rainfall is few, and rainfall is lost unfortunately, and rainfall infiltration can draw again
Serious collapsibility problem is played, and existing side slope protection technology is difficult to solve this conflict.In order to effectively administer loess
Soil erosion of side slope is badly in need of providing a kind of new loess slope administering method, both can solve current loess slope rainfall bring
Soil erosion problem, and can change and use ecological slope protection that can not use the situation of water curing management (due to collapsibility problem).
Summary of the invention
It is an object of the invention to the statuses and deficiency for existing loess slope project guard technology, provide a kind of root system
The method of coalition framework bar strip ecological protection loess slope to realize that loess slope can not only carry out ecological maintenance, but also can solve
Certainly the problem of soil erosion.
For foregoing invention purpose of the invention, root system coalition framework bar strip ecological protection loess side provided by the invention
The method on slope, the composition of technical solution include: the slope surface building lattice network type in loess slope for draining and water storage
Groove (water draining and accumulating groove), the embedded anchor pole of vertical loess slope spaced apart, the anchor pole top in water draining and accumulating groove
Expose slope surface, lower end passes through the surface layer (easily by the soil layer of rainfall infiltration infiltration) that loess slope easily soaks and anchors to loess slope hardly possible
The inner layer of immersion is adjacent to side slope surface and fixes a crossbeam between adjacent two anchor pole top, forms lattice network type in slope surface
Frame；The plant spaced apart for planting well developed root system, passes perpendicularly through Huang between adjacent two plant in water draining and accumulating groove
The surface layer implantation that native side slope is easily soaked has the bar strip of tensile strength and absorbing and holding water property, and bar strip upper end is tensed and is tied up
Bundle is fixed on crossbeam, and bar strip lower end implantation depth reaches inside the inner layer of loess slope difficulty immersion.
In above-mentioned technical proposal of the invention, the water draining and accumulating groove is that the cross section excavated in slope surface is trapezoidal
Minor groove is preferably laid with waterproof membrane and the earthing on film in the two sidewalls of water draining and accumulating groove, to prevent rainwater from entering to blend from side wall
Irradiation of the ultraviolet light to film reduces film aging.Water draining and accumulating groove slot bottom width is preferably 10~15cm.
In above-mentioned technical proposal of the invention, the spacing between adjacent two anchor pole is generally 1~2m, and anchor pole lower end is vertical
It is implanted into the depth at least 80cm of side slope.
In above-mentioned technical proposal of the invention, the bar strip is that single or bunchy bar strip, lower end are vertically implanted into Huang
The depth of native side slope will also be at least up to 80cm.
In above-mentioned technical proposal of the invention, the implantation of bar strip is first to punch vertically downward in loess slope slope surface,
Then in the hole beaten of indentation of bar strip one end, will make bar strip along hole extend to bottom hole after to pour into hole loose fine grained native
Or bar strip is fixed in hole by mud.
In above-mentioned technical proposal of the invention, the grid of lattice network made of the water draining and accumulating groove arrangement is preferably
Square lattice or diamond-plaid, the vertical interval between adjacent two parallel water draining and accumulating grooves are generally 1~1.5m.
In above-mentioned technical proposal of the invention, its plant of spacing for the plant planted in the water draining and accumulating groove is preferably 30
~40cm.
In above-mentioned technical proposal of the invention, the bar strip preferably by nylon, terylene or polypropylene fibre ribbon production 2~
The fine and close band of 4cm wide, the anchor pole can be the reinforced anchor bolt of bamboo and wood or coating pitch antirust；The crossbeam can be bamboo and wood or painting
Cover the reinforcing bar crossbeam of pitch antirust.
In above-mentioned technical proposal of the invention, lattice network made of preferably arranging in side slope surface water draining and accumulating groove
Turf Culture in grid, further to conserve water and soil.
In above-mentioned technical proposal of the invention, the plant of plantation need be well developed root system plant, such as shrub or
The draft class such as vetiver.
The method of the invention is able to suppress the mechanics principle of loess slope rainfall saturated yielding sinking are as follows: by anchor pole it is embedded until
In the inner layer soil layer of loess slope difficulty immersion.Loess rainfall, which is fallen, on surface layer (easily immersion layer) will lead between upper layer anchor pole-soil body
Generate downward frictional force q1.Anchor pole in inner layer soil layer, due to anchoring into for the body of rod, correspondingly in lower layer's anchor pole-soil body
Between the upward frictional force q that generates2。Loess rainfall, which is fallen, makes bar strip stress, passes to pressure N under anchor pole by crossbeam.This
Three kinds of strength act on anchor pole the stress balance for realizing anchor pole (see Fig. 3).Loess slope mistake due to caused by rainfall infiltration
Lower drag can be generated to bar strip by falling into property, to generate pulling force T, crossbeam support force N upward by anchor pole simultaneously to crossbeam, in fact
Beam force balance has been showed (see Fig. 4).Using the upward pulling force T of anchor pole and the be supplied to bar strip of crossbeam, come the loess that contends with
Side slope inner layer and surface layer the falling property due to caused by rainfall infiltration and the lower drag generated (see Fig. 5).It is drawn with plant combined water holding
Rib tape goes along with sb. to guard him network instead of traditional lattice beam framework, and it is heavy that the chance water-wet of loess slope caused by reduction rainfall is sagged, and realizes
The ecology and flexible protective of loess slope.
Compared with prior art, the invention has the following advantages:
1. the method for the invention uses root system coalition framework bar strip ecological protection loess slope, semiclosed property is utilized
Water draining and accumulating groove water draining and accumulating (based on row, supplemented by storing, the main row of heavy rain, the main storage of light rain), utilizes the hair of the bar strip in groove
Carefully insist on the filling of water root.Rainfall runoff be collected into semiclosed (two sidewalls pass through waterproof membrane close) water draining and accumulating channel bottom again it is lower seep to
Water holding bar strip, loess is avoided violent chance water-wet and is fallen into supply root system of plant capillary water absorption due to micro-control water holding simultaneously, so that
Loess slope water-proof drainage effect is good, vegetation slope pavement ecological effect resistance to persistence is good, effectively maintains the soft of loess slope
Property and ecological protection.
2. in the method for the invention, vetiver or other shrub plant all have flourishing root system, in bar strip capillary
The steady soil of lower part can be penetrated with fast-growth after a period of time under the maintenance of water holding, root system will be wound with bar strip
It is integral, so that consolidation effect can be improved, be conducive to the Loess Collapsibility that conserves water and soil and inhibit.
3. the method for the invention utilizes root system coalition framework bar strip ecological protection loess slope, using small anchor pole and tie up
The drawing effect of the bar strip on crossbeam is pricked, it is heavy that the chance water-wet of loess slope caused by limitation rainfall is sagged, thus adapts to
The ecological protection of loess slope.
4. the method for the invention curing system structure is simply easily established, designs reasonable, simple process, is easy to construct, behaviour
Make convenient, at low cost, maintenance be easy, be easy to spread, can be used for ecological protection and the greening of loess slope.
Detailed description of the invention
Fig. 1 is the slope surface schematic top plan view of the loess slope of the method for the invention ecological protection.
Fig. 2 is A-A profile structure diagram in Fig. 1.
Fig. 3 is the stress diagram of anchor pole in the method for the invention.
Fig. 4 is the stress diagram of the method for the invention middle cross beam.
Fig. 5 is the stress diagram of bar strip in the method for the invention.
In figure, 1-anchor pole, 2-plant (vetiver or shrub), 3-bar strips, 4-crossbeams, 5-water draining and accumulating grooves,
The surface layer that 6-loess slopes easily soak, the inner layer of 7-loess slope difficulties immersion, 8-turfs.
Specific embodiment
Below by specific embodiment to root system coalition framework bar strip ecological protection loess slope of the present invention
Method is described further.
Embodiment 1
The method of root system coalition framework bar strip ecological protection loess slope described in the present embodiment: in the slope surface of loess slope
Lattice network type water draining and accumulating groove 5 is constructed, water draining and accumulating groove 5 is that the cross section excavated in slope surface is trapezoidal minor groove,
Two sidewalls are laid with waterproof membrane and the earthing on film, to prevent rainwater from entering to blend resisting ultraviolet radiation from side wall.Groove slot bottom is wide about
For 10cm.The grid of lattice network made of the water draining and accumulating groove arrangement is diamond-plaid, adjacent two parallel water draining and accumulating grooves
Between vertical interval be 1m or so.The reinforced anchor bolt 1 of the embedded coating pitch antirust of 1.5m, reinforcing bar are spaced in water draining and accumulating groove
Anchor pole passes perpendicularly through loess slope, and slope surface is exposed on the anchor pole top, and lower end passes through the surface layer easily soaked and anchors to loess slope
The inner layer of hardly possible immersion, the depth that lower end is implanted into loess slope is about 80cm.Then patch side slope surface adjacent two anchor pole top it
Between fix a bamboo and wood crossbeam 4, slope surface formed lattice network type frame.In water draining and accumulating groove at interval of about 30cm (between strain
Away from) one plant of vetiver 2 of plantation, the implantation of surface layer 6 that loess slope easily soaks is passed perpendicularly through between adjacent two plant to be had centainly
The bunchy bar strip 3 of tensile strength and absorbing and holding water property, and bar strip one end is tensed into binding and fixing on crossbeam.The drawing
The depth of rib tape lower end implantation loess slope is about 85cm, and implantation depth reaches inside the inner layer of loess slope difficulty immersion.It is described
Bar strip is the 4cm of nylon ribbon production or so wide fine and close band.The method of implantation bunchy bar strip is, first with fluted drill or
Conehead reinforcing bar vertical slope surface on loess slope is punched downwards, and bar strip one end is then pressed into institute with fluted drill or conehead reinforcing bar
In punching, make bar strip along hole extend to bottom hole after extract fluted drill or conehead reinforcing bar, and loose fine grained soil is poured into hole
Or bar strip is fixed in hole by mud.Finally, being planted in the grid of the lattice network made of the arrangement of slope surface water draining and accumulating groove
Turf.
Claims (10)
1. the method for root system coalition framework bar strip ecological protection loess slope, it is characterised in that constructed in the slope surface of loess slope
Lattice network type water draining and accumulating groove (5), vertical loess slope spaced apart is embedded anchor pole (1) in water draining and accumulating groove, institute
It states anchor pole top and exposes slope surface, lower end passes through the inner layer that the surface layer (6) that loess slope easily soaks anchors to the immersion of loess slope difficulty
(7), patch side slope surface fixes a crossbeam (4) between adjacent two anchor pole top, forms lattice network type frame in slope surface；?
The plant (2) spaced apart for planting well developed root system, passes perpendicularly through loess side between adjacent two plant in water draining and accumulating groove
Surface layer (6) implantation that slope is easily soaked has the bar strip (3) of tensile strength and absorbing and holding water property, and bar strip upper end is tensed
On crossbeam, bar strip lower end implantation depth reaches inside the inner layer of loess slope difficulty immersion binding and fixing.
2. the method for root system coalition framework bar strip ecological protection loess slope according to claim 1, it is characterised in that institute
It is trapezoidal minor groove that state water draining and accumulating groove (5), which be the cross section excavated in slope surface, is laid in the two sidewalls of water draining and accumulating groove
Waterproof membrane and the earthing on film, to prevent rainwater from entering to blend ultraviolet light irradiation from side wall.
3. the method for root system coalition framework bar strip ecological protection loess slope according to claim 2, it is characterised in that row
Water storage trench bottom surfaces width is 10~15cm.
4. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that the spacing between adjacent two anchor pole is 1~2m, and the depth that anchor pole lower end is vertically implanted into side slope is extremely
Few 80cm.
5. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that the bar strip is single or bunchy bar strip, and the depth that lower end is vertically implanted into loess slope is
At least 80cm.
6. the method for root system coalition framework bar strip ecological protection loess slope according to claim 5, it is characterised in that draw
The implantation of rib tape is first to punch vertically downward on side slope surface, in the hole for then playing the indentation of bar strip one end, makes lacing wire
Band along hole extend to bottom hole after pour into hole loose fine grained soil or mud bar strip be fixed in hole.
7. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that the grid of lattice network made of the water draining and accumulating groove arrangement is square lattice or diamond-plaid,
Vertical interval between adjacent two parallel water draining and accumulating grooves is 1~1.5m.
8. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that the strain spacing for the plant planted in the water draining and accumulating groove is 30~40cm.
9. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that the bar strip is the fine and close band of the 2~4cm wide made by nylon, terylene or polypropylene fibre ribbon,
The anchor pole is bamboo and wood or the reinforced anchor bolt for coating pitch antirust, and the crossbeam is bamboo and wood or the reinforcing bar cross for coating pitch antirust
Beam.
10. root system coalition framework bar strip ecological protection loess side described in claim according to claim 1~any one of 3
The method on slope, it is characterised in that Turf Culture (8) in the grid of the lattice network made of the arrangement of side slope surface water draining and accumulating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124952.8A CN106958251B (en) | 2017-03-03 | 2017-03-03 | The method of root system coalition framework bar strip ecological protection loess slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124952.8A CN106958251B (en) | 2017-03-03 | 2017-03-03 | The method of root system coalition framework bar strip ecological protection loess slope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106958251A CN106958251A (en) | 2017-07-18 |
| CN106958251B true CN106958251B (en) | 2019-02-12 |
Family
ID=59470103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710124952.8A Active CN106958251B (en) | 2017-03-03 | 2017-03-03 | The method of root system coalition framework bar strip ecological protection loess slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106958251B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716219A (en) * | 2018-07-10 | 2018-10-30 | 美丽国土（北京）生态环境工程技术研究院有限公司 | side slope ecological protection structure and its construction method |
| CN109487776A (en) * | 2018-11-05 | 2019-03-19 | 厦门海石生态环境股份有限公司 | A kind of restoration of the ecosystem structure for mining area and the restorative procedure for reducing soil erosion |
| CN113373952A (en) * | 2021-06-08 | 2021-09-10 | 辽宁工程技术大学 | A connection structure for collapsible loess side slope support |
| CN114402820A (en) * | 2021-11-30 | 2022-04-29 | 辽宁工程技术大学 | Vegetation recovery method for loess area dump slope |
| CN115821953A (en) * | 2022-12-27 | 2023-03-21 | 重庆交通大学 | Ecological slope protection structure and construction method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2919961A1 (en) * | 1979-05-17 | 1980-11-20 | Josef Ing Grad Nachtsheim | Waterway anti-erosion system using vegetation - has each plant anchored by arch shaped member with corrugated legs securing roots |
| CN204112347U (en) * | 2014-10-10 | 2015-01-21 | 陈洪凯 | Rock side slope self filling type grass planting device |
| CN204590045U (en) * | 2015-02-06 | 2015-08-26 | 中交第二航务工程勘察设计院有限公司 | A kind of rock side slope lattice ecological safeguard structure |
| CN205712141U (en) * | 2016-04-25 | 2016-11-23 | 辽宁有色基础工程公司 | A kind of apply soil-slope protection ecological lattice |
| CN205676904U (en) * | 2016-06-12 | 2016-11-09 | 江苏建筑职业技术学院 | A kind of plant cover concrete bank protection |
-
2017
- 2017-03-03 CN CN201710124952.8A patent/CN106958251B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106958251A (en) | 2017-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958251B (en) | The method of root system coalition framework bar strip ecological protection loess slope | |
| CN104264692A (en) | Ecological restoration method of slope | |
| CN105178337A (en) | Side slope ecological protection method combining vegetation nursery grooves with hung-net spray-seeding | |
| KR101157531B1 (en) | Planted lawn glass mat for ecological restoration and its constructing method using the same | |
| CN110593281A (en) | High-steep rock slope ecological protection system and construction method thereof | |
| CN107100176A (en) | A kind of expressway slope greening system | |
| CN204825784U (en) | Slope ecological protection system | |
| CN207987934U (en) | A kind of robust structure for ecological treatment of slope | |
| CN211849496U (en) | High steep rock slope ecological protection system | |
| CN106988324B (en) | Root system combines the method that bar strip reinforces expansive soil slope | |
| CN205475268U (en) | Ecological protective structure of living matrix is planted to rock slope | |
| CN204837235U (en) | Plant and give birth to bag | |
| CN208056074U (en) | A kind of protecting slope ecology device | |
| CN206220106U (en) | A kind of greening side slope ruggedized construction | |
| CN202099805U (en) | Vegetation sand stabilization structure of sand sliding slope | |
| CN205421292U (en) | Ecological compound green structure of side slope | |
| CN210621615U (en) | Have drainage and afforestation function's ecological slope protection structure of frame lattice roof beam concurrently | |
| CN108265729A (en) | A kind of expressway rock slope greening structure | |
| CN212405193U (en) | Ecological protection structure suitable for high and steep side slope in cold area | |
| CN110396983B (en) | Frame beam ecological slope protection structure with drainage and greening functions | |
| CN106759228A (en) | A kind of comprehensive fix the sand system and its method of construction | |
| CN211735441U (en) | Side slope protection device for ecological restoration | |
| CN209652901U (en) | A kind of restoration of the ecosystem structure for building stones mining area | |
| CN203523412U (en) | Construction structure of landscape engineering of abandoned mine rock faces and abrupt slopes | |
| CN202767029U (en) | Protective structure for geotexile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |