CN211047941U - Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope - Google Patents
Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope Download PDFInfo
- Publication number
- CN211047941U CN211047941U CN201921894306.0U CN201921894306U CN211047941U CN 211047941 U CN211047941 U CN 211047941U CN 201921894306 U CN201921894306 U CN 201921894306U CN 211047941 U CN211047941 U CN 211047941U
- Authority
- CN
- China
- Prior art keywords
- tube bundle
- vertical tube
- matrix
- net
- steel rope
- 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
Images
Abstract
The utility model belongs to the technical field of ecological remediation, specifically disclose a steady granule spray-seeding of vertical tube bank matrix water of high steep slope structure of planting living, include the tube bank matrix strip bag layer that forms by the combination of a plurality of vertical tube bank matrix strip bags, be used for fixing tube bank matrix strip bag layer at domatic fixed knot structure and spray the steady granule of water on tube bank matrix strip bag layer surface and plant living matrix layer, the steady granule of water plants living matrix in situ and has the plant seed. The water-stable granule plant growth matrix layer is sprayed on the surface of a tube bundle matrix strip bag layer, the cover protection can be formed on the tube bundle matrix strip bag layer, the water-stable granule plant growth matrix layer is sprayed at the same time to enter gaps between vertical tube bundle matrix strip bags, the gap cavities in the back of the vertical tube bundle matrix strip bags and the space cavities between the vertical tube bundle matrix strip bags are avoided, the plant growth matrix layer surface and the original rock mass are well combined, and the better growth of ecological restoration target plants is guaranteed.
Description
Technical Field
The utility model relates to an ecological remediation technical field especially relates to a steady granule spray-seeding protection vegetation structure of vertical tube bank matrix water of high steep slope, also is applicable to city wall three-dimensional greening view field.
Background
The greening of plant biological bags (ecological bags and matrix bags) is one of important construction methods in barren mountains, mine restoration and highway slope greening, but the plant biological bags are generally applied to slopes with relatively slow slopes, and the fixation of the plant biological bags is a great problem for high and steep slopes.
In order to solve the problem, the utility model patent with the application number of CN201821737288.0 and the name of "a steep side slope protection network and the universal restraint structure of microscler bag body" proposes to adopt the protection network to combine long bag to solve the domatic protection of steep rock and the prosthetic dual structure of ecological vegetation, fixes the vegetation bag on steep slope through protection network, stock isotructure, forms stable structure.
But rectangular bag body caves in because of domatic fluctuation in this structure, and a large amount of space regions are inevitably formed, meets original domatic pit and span a vast range of parts very much, and the separation that causes vegetation base member and domatic to a great extent, the slope problem of pasting of solution vegetation basic unit that can not be fine, therefore above-mentioned structure can only be solved and leveled domatic protection and ecological remediation problem, simultaneously because rectangular bag exposes in the air for a long time, and exposure to the sun night, wind and rain are beaten, and ageing degradation collapse very easily takes place for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steady granule spray-seeding vegetation structure of vertical tube bank matrix water of high steep side slope to expose the problem that leads to the easy ageing degradation of matrix bag among the solution prior art for a long time.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water-stable granule spray-seeding plant-growing structure for vertical tube bundle matrixes on a high and steep slope comprises a tube bundle matrix strip bag layer formed by combining a plurality of vertical tube bundle matrix strip bags, a fixing structure used for fixing the tube bundle matrix strip bag layer on a slope surface and a water-stable granule plant-growing matrix layer sprayed on the surface of the tube bundle matrix strip bag layer.
The principle and the beneficial effects of the scheme are as follows:
the utility model discloses increased the steady granule of water on the basis of current vertical tube bank matrix strip bag and planted living matrix layer, vertical tube bank matrix strip bag and the steady granule of water plant living matrix layer and formed the planting living base layer face that supplies vegetation jointly. The water-stable granule plant growth matrix layer is prepared by a formula disclosed in a utility model patent (application number: CN201521078573.2, name: maintenance-free building ecological turf with water storage function) applied by the inventor (in the embodiment, the formula comprises 40-45% of peat, 30-35% of planting soil, 10-15% of fermented sawdust, 3-4% of perlite, 0.81-1% of long-acting slow release fertilizer, a small amount of water-retaining agent and water-stable granule). The water-stable granule plant growth substrate layer can provide an excellent culture medium for plant growth, and simultaneously, the substrate has extremely strong capability of resisting rain wash due to excellent water stability.
The water-stable granule plant growth matrix layer is sprayed on the surface of the tube bundle matrix strip bag layer, so that the tube bundle matrix strip bag layer can be covered and protected, the phenomenon that the vertical tube bundle matrix strip bag is exposed for a long time to cause premature aging degradation and matrix shedding is avoided, the aging problem of the vertical tube bundle matrix strip bag is solved, the service life of the vertical tube bundle matrix strip bag is prolonged, and the comprehensive benefit of ecological restoration is exerted more durably.
Meanwhile, the water-sprayed stable-aggregate plant growth base material can well enter gaps between the vertical tube bundle matrix strip bags, then enters hollow parts between the vertical tube bundle matrix strip bags and the original slope surface, the hollow parts are filled, the gap cavities in the back of the vertical tube bundle matrix strip bags and the space cavities between the vertical tube bundle matrix strip bags are avoided, the plant growth base layer surface and the original rock mass are well combined, and better growth of ecological restoration target plants is guaranteed.
Preferably, the fixing structure comprises a bottom layer base net and a plurality of base net fixing rivets for attaching and fixing the bottom layer base net to the slope surface, and the vertical tube bundle base strip bags are bound on the bottom layer base net through georopes. The bottom layer base net is fixed and attached to the original slope surface through a plurality of base net fixing rivets, and the vertical tube bundle matrix strip bags are bound to the bottom layer base net through the geotechnical ropes, so that the fixation of each vertical tube bundle matrix strip bag on the original slope surface is realized.
Preferably, the base layer web is a flexible web. The bottom layer base net has certain flexibility, so that the bottom layer base net can be better attached to the original slope surface.
Preferably, the fixing structure further comprises a pressing member for pressing the bundle matrix strip bag layer on the primitive slope surface. After the steel rope net realizes the preliminary fixed back of tube bank matrix strip bag layer on original domatic at the earth work rope, rethread pressing member compresses tightly tube bank matrix strip bag layer on original domatic, can make tube bank matrix strip bag layer laminate original domatic more.
Preferably, the pressing piece comprises a steel rope net covering the tube bundle matrix bag layer, and the steel rope net is used for pressing the tube bundle matrix bag layer to the original slope surface through tensioning and locking of the steel rope net. The steel rope net covers the tube bundle matrix bag layer after being tensioned and locked, and can realize the compaction of the tube bundle matrix bag layer.
Preferably, the pressing piece further comprises a plurality of steel rope net fixing anchor rods and longitudinal and transverse supporting ropes connected between the steel rope net fixing anchor rods, the steel rope net fixing anchor rods are anchored on the slope surface, the steel rope net fixing anchor rods reserve anchor head heights, and the steel rope net is woven and sewn on the longitudinal and transverse supporting ropes through sewing ropes in tensioning locking of the steel rope net. The steel rope net fixing anchor rod is used for installing longitudinal and transverse supporting ropes and providing longitudinal and transverse ribs for installing and sewing the steel rope net, so that the vertical tube bundle matrix strip bags are wrapped and bound.
Preferably, the vertical tube bundle matrix strip bag is a filament polypropylene non-woven fabric strip bag or a woven fabric strip bag, and reinforcement and tensile improvement are performed. The vertical tube bundle matrix strip bag with the structure has high tensile strength.
Preferably, the base net fixing rivet is provided with an elbow, and the elbow is pressed against the bottom layer base net. The elbow back pressure bottom layer base net can make the bottom layer base net paste original domatic as far as, provides the basis for later stage installation tube bank matrix bag layer.
Preferably, the base net fixing rivets are arranged at intervals of 300-500 mm. The distance is a better distance, so that the bottom layer base net can be attached to the original slope surface to the maximum extent.
Preferably, the distance between the steel rope net fixed net anchor rods is 4.5m, and the anchoring depth of the steel rope net fixed net anchor rods is 1-3 m. The anchoring depth of the steel wire net anchoring bolt is determined according to the slope rock stratum stability condition.
Drawings
Fig. 1 is a schematic layout diagram of a tube bundle substrate bag layer and a bottom substrate net in a first embodiment of the present invention:
fig. 2 is a schematic layout diagram of the tube bundle matrix bag layer and the steel rope net according to the first embodiment of the present invention;
fig. 3 is a schematic layout view of a steel wire mesh anchor rod and longitudinal and transverse supporting ropes according to a first embodiment of the present invention;
fig. 4 is a schematic view of a water-stabilized granule spraying arrangement according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a bottom layer base net 1, a vertical tube bundle matrix strip bag 2, a georope 3, a steel rope net 4, a steel rope net fixed net anchor rod 5 and longitudinal and transverse support ropes 6.
Example one
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the water-stable granule spray-seeding and plant-growing structure for vertical tube bundle matrix on a steep slope of the present embodiment includes a tube bundle matrix strip bag layer formed by combining a plurality of vertical tube bundle matrix strip bags 2, a fixing structure for fixing the tube bundle matrix strip bag layer on a slope surface, and a water-stable granule plant-growing matrix layer 9 sprayed on the surface of the tube bundle matrix strip bag layer.
The vertical tube bundle matrix strip bags 2 are filament polypropylene non-woven fabric strip bags or woven fabric strip bags, reinforcement is performed to improve tensile strength, and the vertical tube bundle matrix strip bags 2 are filled with plant biological matrix materials.
As shown in FIG. 4, the water-stable granule plant growth matrix layer 9 is prepared by the formulation disclosed in the utility model patent (application No. CN201521078573.2, name: maintenance-free ecological turf with water storage function) applied by the inventor (in the embodiment, the formulation comprises 40-45% of peat, 30-35% of planting soil, 10-15% of fermented sawdust, 3-4% of perlite, 0.81-1% of long-acting slow-release fertilizer, a small amount of water-retaining agent and water-stable granule). The water-stable granular structure can provide an excellent culture medium for plant growth, and simultaneously, the matrix has extremely strong rain wash resistance due to excellent water stability. Plant seeds 8 are mixed in the water-stable granule plant growing matrix layer, the plant seeds 8 select seeds with strong stress resistance, and the plant seeds are combined with the adaptability of plants according to the climatic characteristics of project implementation places, so that the local plant seed sources with strong stress resistance are optimized, the initial plant growing effect of the vegetation community is rapidly solved, and a good plant growing foundation is created for the succession of the later natural vegetation community.
The fixing structure comprises a bottom layer base net 1, a plurality of base net fixing rivets for attaching the bottom layer base net 1 to a slope surface and pressing pieces for pressing the tube bundle matrix strip bag layer on the original slope surface, and vertical tube bundle matrix strip bags 2 are bound on the bottom layer base net 1 through geotechnical ropes 3.
The pressing piece comprises a steel rope net 4 covering the tube bundle matrix bag layer and a tensioning locking piece for tensioning and locking the steel rope net 4, the steel rope net 4 is pressed on the original slope surface through tensioning and locking of the steel rope net 4, the tensioning locking piece comprises a plurality of steel rope net fixing anchor rods 5 anchored on the slope surface and longitudinal and transverse support ropes 6 connected between the steel rope net fixing anchor rods 5, and the steel rope net 4 is woven and sewn on the longitudinal and transverse support ropes 6 through sewing ropes in the tensioning and locking of the steel rope net 4.
The bottom layer base net 1 is a flexible net such as a wire net or a nylon net. The base net fixing rivets are provided with elbows, the elbows are pressed against the bottom layer base net 1, and the base net fixing rivets are arranged at intervals of 300-500 mm. The distance between the steel rope net fixed net anchor rods 5 is 4.5m, and the anchoring depth of the steel rope net fixed net anchor rods 5 is 1-3 m.
The utility model discloses a work progress as follows:
step one, installing a bottom layer base net 1 and fixing by adopting a base net fixing rivet:
clearing slope surfaces firstly, clearing unstable bodies, arranging and hanging a bottom layer base net 1 on the target slope surfaces, drilling holes by adopting an electric hammer, implanting a net fixing rivet, and reversely pressing the bottom layer base net 1 through an elbow of the net fixing rivet to enable the bottom layer base net 1 to be attached to the original slope surfaces to the maximum extent, determining the anchoring length of the net fixing rivet according to the stable condition of the specific slope surfaces so as to ensure that the net fixing bearing meets the stability of a vertical tube bundle base strip bag 2 and the construction operation safety, specifically considering through the test calculation of the specific rock surface, and making the anchor for phi 8 twisted steel.
Step two, installing a steel rope net fixed net anchor rod 5: punching and grouting according to the interval of 4.5m on the original slope surface to install the steel rope net fixing anchor rod 5, determining the anchoring depth of the steel rope net fixing anchor rod 5 according to the slope surface rock stratum stable condition, generally selecting between 1-3 m, reserving the anchor head height for the steel rope net fixing anchor rod 5, and setting the longitudinal and transverse supporting ropes 6 after the vertical tube bundle matrix strip bags 2 are installed according to the anchor head height.
Step three, installing a vertical tube bundle matrix strip bag 2: arrange vertical tube bank matrix strip bag 2, fill plant biological matrix material, guarantee the full closely knit of filler to adopt geotechnological rope 3 to ligature on bottom foundation net 1 according to domatic condition, make the vertical tube bank matrix strip bag 2 that loads laminate in original domatic, and fix steadily on bottom foundation net 1, realize the preliminary fixed of vertical tube bank matrix strip bag 2.
Step four, installing longitudinal and transverse supporting ropes 6: and longitudinal and transverse supporting ropes 6 are bound between the steel rope net fixed net anchor rods 5.
Step five, locking the steel rope net 4: lay wire rope net 4 on tube bank matrix strip bag layer surface to sew up wire rope net 4 through the seam rope and sew up on indulging horizontal stay rope 6, thereby realize the stretch-draw locking of wire rope net 4, form the parcel constraint to vertical tube bank matrix strip bag 2, realize fixing once more of vertical tube bank matrix strip bag 2 from this.
Step six, jetting water to stabilize the aggregate plant growth substrate layer 9: the plant growth nutrient matrix slurry with certain fluidity is sprayed on the surface of the tube bundle matrix bag layer by a special machine (the special machine can adopt the equipment in the utility model patent applied by the inventor: the publication number: CN204762056U, the name: the water stable granule spray gun; the publication number: CN203984993U water stable granule spray planting and re-greening equipment) to form a water stable granule matrix layer 9, the gap and the hollow part of the vertical tube bundle matrix strip bag 2 are filled, and the surface of the vertical tube bundle matrix strip bag 2 is covered and protected, so that a stable and closed plant growth matrix structure is formed, the absolute thickness of the plant growth base layer is improved, the moisture is contained, the nutrition is stored, and the mountain crushed stones are prevented from slipping off. The later stage water stable granule spray-seeding plant seeds 8 germinate, the complete root system advantages of the seedlings are exerted, the seedlings go deep into rock gaps, the rock mass is locked, the ecological environment is protected, the seedlings are safe and stable, and finally the dual effects of ecological restoration and engineering protection are achieved.
The utility model discloses increased the steady granule of water and planted living matrix layer 9 on current vertical tube bank matrix strip bag 2's basis, vertical tube bank matrix strip bag 2 and the steady granule of water plant living matrix layer 9 and have formed the planting living matrix layer face that supplies vegetation jointly. The water-stable granule plant growth matrix layer 9 is sprayed on the surface of the tube bundle matrix strip bag layer, so that the tube bundle matrix strip bag layer can be covered and protected, the phenomenon that the vertical tube bundle matrix strip bag 2 is exposed for a long time to cause premature aging degradation and matrix shedding is avoided, the aging problem of the vertical tube bundle matrix strip bag 2 is solved, the service life of the vertical tube bundle matrix strip bag 2 is prolonged, and the comprehensive benefit of ecological restoration is exerted more durably.
Meanwhile, the water-sprayed stable-aggregate plant growth base material can well enter gaps between the vertical tube bundle matrix strip bags 2, then enter hollow parts between the vertical tube bundle matrix strip bags 2 and the original slope surface, the hollow parts are filled, the gap hollow at the back of the vertical tube bundle matrix strip bags 2 and the space hollow between the vertical tube bundle matrix strip bags 2 are avoided, the plant growth base layer surface and the original rock mass are well combined, and better growth of ecological restoration target plants is guaranteed.
Example two
The difference between this embodiment and the first embodiment is: the plant seeds 8 in this embodiment are not mixed in the water-stable granule vegetation matrix layer 9, but are sown manually or mechanically on the water-stable granule vegetation matrix layer 9 after the water-stable granule vegetation matrix layer 9 is sprayed.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a steady granule spray-seeding vegetation structure of vertical tube bank matrix water of high steep side slope which characterized in that: the tube bundle substrate strip bag layer is formed by combining a plurality of vertical tube bundle substrate strip bags, a fixing structure used for fixing the tube bundle substrate strip bag layer on a slope surface, and a water-stable granule plant growth substrate layer sprayed on the surface of the tube bundle substrate strip bag layer.
2. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 1, characterized in that: the fixing structure comprises a bottom layer base net and a plurality of base net fixing rivets for attaching the bottom layer base net to the slope surface and fixing the bottom layer base net on the slope surface, and the vertical tube bundle base strip bags are bound on the bottom layer base net through georopes.
3. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 2, characterized in that: the bottom layer base net is a flexible net.
4. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 2, characterized in that: the fixing structure also comprises a pressing piece used for pressing the tube bundle matrix strip bag layer on the original slope surface.
5. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 4, characterized in that: the pressing piece comprises a steel rope net covering the tube bundle matrix bag layer, and the steel rope net is used for pressing the tube bundle matrix strip bag layer to the original slope surface through tensioning and locking of the steel rope net.
6. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 5, characterized in that: the pressing piece further comprises a plurality of steel rope net fixing anchor rods and longitudinal and transverse supporting ropes connected between the steel rope net fixing anchor rods, the steel rope net fixing anchor rods are anchored on the slope surface, anchor head heights are reserved on the steel rope net fixing anchor rods, and the steel rope net is woven and sewn on the longitudinal and transverse supporting ropes through sewing ropes in the tensioning locking of the steel rope net.
7. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 1, characterized in that: the vertical tube bundle matrix strip bag is a filament polypropylene non-woven fabric strip bag or a woven fabric strip bag, and reinforcement and tensile strength improvement are performed.
8. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 2, characterized in that: the base net fixing rivet is provided with an elbow, and the elbow is pressed against the bottom layer base net.
9. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 2 or 8, characterized in that: the base net fixing rivets are arranged at intervals of 300-500 mm.
10. The high steep slope vertical tube bundle matrix water stable granule spray-seeding vegetation structure according to claim 6, characterized in that: the distance between the steel rope net fixed net anchor rods is 4.5m, and the anchoring depth of the steel rope net fixed net anchor rods is 1-3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921894306.0U CN211047941U (en) | 2019-11-05 | 2019-11-05 | Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921894306.0U CN211047941U (en) | 2019-11-05 | 2019-11-05 | Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211047941U true CN211047941U (en) | 2020-07-21 |
Family
ID=71582554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921894306.0U Active CN211047941U (en) | 2019-11-05 | 2019-11-05 | Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211047941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692880A (en) * | 2021-09-07 | 2021-11-26 | 西藏俊富环境恢复有限公司 | Side slope greening device and method based on kangaroo type long bags |
| CN114041374A (en) * | 2021-09-29 | 2022-02-15 | 张家港市绿岩环境科技有限公司 | Method for recovering vegetation in arid mine |
-
2019
- 2019-11-05 CN CN201921894306.0U patent/CN211047941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692880A (en) * | 2021-09-07 | 2021-11-26 | 西藏俊富环境恢复有限公司 | Side slope greening device and method based on kangaroo type long bags |
| CN114041374A (en) * | 2021-09-29 | 2022-02-15 | 张家港市绿岩环境科技有限公司 | Method for recovering vegetation in arid mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893422B (en) | A kind of reinforcement type ecological slope protection structure and its construction method | |
| CN107100176B (en) | A kind of expressway slope greening system | |
| CN108589743A (en) | A kind of ecological TGXG for side slope protection | |
| CN211047941U (en) | Stable-water-granule spray-seeding vegetation structure for vertical tube bundle substrate on high and steep slope | |
| CN110106894B (en) | Slope protection device | |
| CN110593281A (en) | High-steep rock slope ecological protection system and construction method thereof | |
| CN106498955A (en) | A kind of rock matter or concrete high-steep slope protection greening structure and its construction method | |
| CN102972125B (en) | Plant cushion for filling plant growing mediums and application thereof | |
| CN110219310A (en) | Drainage pipe combines the frame grid type vegetation soil cement bank protecting method and facility of the multi-functional reinforced bands that draw water | |
| CN210151758U (en) | Side slope ecological protection structure with water storage and supply system | |
| CN113575190B (en) | Slope protection re-greening structure based on long-strip vegetation bag | |
| CN211849496U (en) | High steep rock slope ecological protection system | |
| CN110073757A (en) | A kind of greening method of high precipitous rock slope surface | |
| CN206681026U (en) | Side slope | |
| CN101457525A (en) | Heavy layer flaking diseases method in loess slope | |
| CN109618741B (en) | Greening grid device for rock slope and construction method thereof | |
| CN111576453A (en) | Slope anchor hanging net and exposed rock mass ecological restoration method using same | |
| CN217378944U (en) | High and steep slope spraying and planting combined device | |
| CN101235646B (en) | Building slope ecological supporting member | |
| CN110663397B (en) | High steep side slope matrix skin constraint vegetation structure | |
| CN216379591U (en) | Ecological lattice beam for mine restoration | |
| CN206655232U (en) | A kind of rock matter or concrete high-steep slope protection greening structure | |
| CN212506332U (en) | Slope anchor hanging net structure | |
| CN211881462U (en) | Stable vertical tube bundle matrix bag and plant growing structure thereof | |
| CN114164844A (en) | Construction method of square grid type organic material slope protection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |