CN110629767A - Roadbed slope protection structure and manufacturing method and application thereof - Google Patents
Roadbed slope protection structure and manufacturing method and application thereof Download PDFInfo
- Publication number
- CN110629767A CN110629767A CN201910863514.2A CN201910863514A CN110629767A CN 110629767 A CN110629767 A CN 110629767A CN 201910863514 A CN201910863514 A CN 201910863514A CN 110629767 A CN110629767 A CN 110629767A
- Authority
- CN
- China
- Prior art keywords
- fiber blanket
- coconut fiber
- metal mesh
- slope
- roadbed slope
- 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.)
- Pending
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
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)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a roadbed slope protection structure and a manufacturing method and application thereof, wherein the roadbed slope protection structure comprises a coconut fiber blanket, a metal mesh, a mixed base material and a plurality of anchor rods; the coconut fiber blanket is used for being fixed on a roadbed slope, and a support body is arranged between the coconut fiber blanket and the metal mesh and used for supporting the metal mesh and enabling the metal mesh and the coconut fiber blanket to be separated by a preset distance; a plurality of anchor rods can be distributed on the roadbed slope at intervals, the first ends of the anchor rods are inserted into anchor holes of the roadbed slope, and the second ends of the anchor rods sequentially penetrate through the coconut fiber blanket and the metal net and are connected with the metal net; the mixed base material fills the gap between the coconut fiber blanket and the metal mesh and extends to the metal mesh. The roadbed slope protection structure provided by the invention adopts the coconut fiber blanket and the metal mesh spray-seeding base material, so that two layers of anti-scouring protection can be effectively formed on the slope surface, and the stability of the roadbed slope with high liquid limit soil can be improved; meanwhile, the roadbed slope protection structure has a very obvious effect of improving soil.
Description
Technical Field
The invention relates to a roadbed slope protection structure and a manufacturing method and application thereof, and belongs to the technical field of roadbed slope protection in highway engineering.
Background
With the vigorous development of the economy of China, the construction of highways is gradually developed to hilly lands, and high liquid limit soil is the most common bad soil body in the hilly lands and is widely distributed in more than 20 provinces of Guangxi, Yunnan, Sichuan, Guizhou, Guangzhou, Fujian, Jiangsu, Anhui and the like in China. The engineering characteristics of the high liquid limit soil are as follows: the high liquid limit soil has the engineering characteristics that the high liquid limit cutting slope is easy to collapse, landslide and other slope diseases after excavation is finished, and surface soil slide collapse, erosion and other slope diseases are easy to occur no matter the slope height is low due to low permeability, high fine particle content, micro-expansibility, low water immersion strength and poor water stability.
The method is characterized in that high liquid limit soil is frequently encountered in the highway construction process, and a high liquid limit side slope protection and treatment scheme is reasonably selected, so that the method is the key for reducing project construction cost and shortening construction period.
The protection technologies such as cast-in-place concrete, precast concrete piece installation, grout rubble protection are adopted to current side slope protection scheme more, begin to be under construction after every excavation one-level of side slope, and excavation one-level protection one-level needs to halt subordinate side slope excavation operation, and these a little current side slope protection schemes have following a great deal of drawback:
1. the investment cost for manpower is quite expensive no matter the cast-in-place or prefabrication process is adopted;
2. the cost of the cast-in-place concrete or precast block is high;
3. the construction progress is slow, time and labor are wasted, potential safety quality hazards are easily caused, and the problem of small-area collapse is easily caused in the construction process;
4. the construction of the previous protection can be carried out only when the lower side slope is required to be suspended;
5. the operating personnel need to bear a burden on the slope for a long time to operate, and the safety risk is higher.
Therefore, providing a novel roadbed slope protection structure and a manufacturing method and application thereof have become technical problems to be solved urgently in the field.
Disclosure of Invention
In order to solve the above disadvantages and shortcomings, the present invention provides a protection structure for a roadbed slope, a manufacturing method thereof and an application thereof.
In order to achieve the above objects, in one aspect, the present invention provides a roadbed slope protection structure, wherein the roadbed slope protection structure comprises a coconut fiber blanket, a metal mesh, a mixed base material and a plurality of anchor rods;
the coconut fiber blanket is used for being fixed on a roadbed slope, and a support body is arranged between the coconut fiber blanket and the metal mesh and used for supporting the metal mesh and enabling the metal mesh and the coconut fiber blanket to be separated by a preset distance;
the plurality of anchor rods can be distributed on the roadbed slope at intervals, the first ends of the anchor rods are inserted into anchor holes of the roadbed slope, and the second ends of the anchor rods sequentially penetrate through the coconut fiber blanket and the metal net and are connected with the metal net;
the mixed base material fills the gap between the coconut fiber blanket and the metal mesh and extends to the metal mesh.
According to the embodiment of the invention, in the slope protection structure, preferably, the diameter of the coconut fiber in the coconut fiber blanket is in the range of 0.3mm to 0.8mm, and/or the length of the coconut fiber blanket is in the range of 10cm to 20 cm;
the thickness range of the coconut fiber blanket is 8mm-10 mm.
The coconut fiber blanket used in the invention can be obtained commercially, or can be made of pure natural coconut fiber through punching and needling, and the coconut fiber blanket is usually in a cuboid mesh structure;
in the roadbed slope protection structure provided by the invention, the coconut fiber blanket is used as a base band for plant growth, and the setting of the coconut fiber blanket can avoid the roadbed slope from being directly washed by rainwater in the early stage 1 to 2 years after the coconut fiber blanket is laid, namely in the early stage when the plant does not grow densely, so that the stability of the roadbed slope is ensured; after 2 years of laying, the plants had grown densely and the purely natural coconut fibers in the coconut fiber blanket began to decay to become plant food.
According to a specific embodiment of the present invention, in the roadbed slope protection structure, preferably, the support body is a vegetation board.
In one embodiment of the present invention, the distance between the supports may be 30-50 cm.
According to the specific embodiment of the present invention, in the slope protection structure, preferably, the distance between the metal mesh and the coconut fiber blanket is in the range of 5cm to 7 cm.
According to the specific embodiment of the invention, in the roadbed slope protection structure, the metal mesh can be No. 14 hot-dip galvanized welded (or woven) honeycomb type rhombic wire mesh (the wire diameter is 2mm), the mesh size of the wire mesh is 5cm multiplied by 5cm, and the wire mesh meets the requirements of general purpose low carbon steel wire (YB/T5294-2009).
According to a specific embodiment of the present invention, in the slope protection structure, preferably, the first ends of the anchor rods are inserted into the anchor holes of the slope in a direction perpendicular to the slope.
The diameter of the roadbed slope anchor hole is not specifically required, and the size of the roadbed slope anchor hole can be reasonably set by a person skilled in the art according to the field operation requirement as long as the purpose of the roadbed slope anchor hole can be realized;
in a specific embodiment of the present invention, the diameter of the roadbed slope anchor hole can be 5 cm.
According to the specific embodiment of the invention, in the roadbed slope protection structure, a plurality of anchor rods can be distributed on the roadbed slope at equal intervals or at unequal intervals;
in one embodiment of the present invention, the distance between adjacent anchors is 150 and 200 cm.
In one embodiment of the invention, the anchor rod can adopt HRB400 phi 18 steel bars; the exposed end of the anchor rod needs to be subjected to anti-corrosion treatment, and particularly, 15cm of the end part (namely one end which is not inserted into an anchor hole of a roadbed slope) and a hook part of the anchor rod can be coated with anti-rust paint for rust prevention;
in addition, the length of the anchor rod and the distance from the first end of the anchor rod to the bottom of the roadbed slope anchor hole are not specifically required, and the length of the anchor rod and the distance from the first end of the anchor rod to the bottom of the roadbed slope anchor hole can be selected by a person skilled in the art according to the specific situation of the roadbed slope on site, so long as the aim of the invention can be achieved; for example, in one embodiment of the present invention, an anchor rod with a length of 80-300cm may be used according to the soil condition of a roadbed slope, so as to ensure the protection stability of the metal mesh; specifically, the length of the used anchor rod is determined according to the condition of the roadbed side slope, if the roadbed side slope is a complete rock side slope, the length of the used anchor rod can be 80cm, if the roadbed side slope is a broken rock side slope, the length of the used anchor rod can be 200cm, and if the roadbed side slope is a soil-filled rock side slope, the length of the used anchor rod can be 300 cm; meanwhile, the distance from the first end of the anchor rod to the bottom of the roadbed slope anchor hole can be set to be 5-10 cm.
According to the specific embodiment of the invention, in the roadbed slope protection structure, the second end of the anchor rod sequentially penetrates through the coconut fiber blanket and the metal net and is bound and connected with the metal net.
According to an embodiment of the present invention, in the slope protection structure, preferably, the total thickness of the mixed base material ranges from 8cm to 10cm, and the thickness of the mixed base material on the metal mesh ranges from 2cm to 3 cm.
According to the specific embodiment of the invention, in the roadbed slope protection structure, preferably, the mixed base material is obtained by mixing the components including planting soil, peat soil, water-retaining agent, high-order agglomeration granules, fertilizer and grass seeds according to a certain proportion.
In a specific embodiment of the invention, the components such as planting soil, peat soil, water-retaining agent, high-order agglomeration granules, fertilizer, grass seeds and the like can be stirred in a stirrer to obtain a mixture, and the stirring effect is preferably' the mixture is agglomerated by being held by hands, and the mixture can be dispersed when being loosened.
The mixed base material mainly has the advantages that a proper growing environment is provided for the grass planting irrigation, so that the water and nutrients can be timely supplied to the grass planting irrigation by the mixed base material, the mixed base material has a physical structure suitable for plant growth, and the mixed base material also needs to have certain scouring resistance in order to prevent rainwater scouring.
On the other hand, the invention also provides a manufacturing method of the roadbed slope protection structure, wherein the manufacturing method comprises the following steps:
fixing the coconut fiber blanket on a roadbed slope;
arranging anchor holes on the roadbed slope according to the preset positions and the quantity, and inserting the first ends of the anchor rods into the anchor holes of the roadbed slope;
arranging the support body on the coconut fiber blanket, laying the metal mesh on the support body, and connecting the second end of the anchor rod with the metal mesh;
spraying the mixed substrate into the space between the coconut fiber blanket and the metal mesh and extending the mixed substrate onto the metal mesh.
According to a specific embodiment of the present invention, before fixing the coconut fiber blanket on the roadbed slope, the manufacturing method further comprises the operation of leveling the roadbed slope, namely: before construction, the roadbed slope to be constructed is leveled so as to remove the protruded stones and other sundries.
According to a specific embodiment of the present invention, in the manufacturing method, the coconut fiber blanket can be fixed on the roadbed slope by adopting a conventional method in the field; the coconut fiber blanket can be a whole coconut fiber blanket or a plurality of coconut fiber blankets can be spliced for use;
in a specific embodiment of the invention, the coconut fiber blanket can be fixed on a roadbed slope by adopting a U-shaped rivet, the head and tail lap joints of the adjacent coconut fiber blankets can be connected by sewing, or the head and tail lap joints of the adjacent coconut fiber blankets can be overlapped by 4cm-8cm and fixed by using a rivet, and the newly laid coconut fiber blanket is put below during lap joint; the rivets used for fixing the head-tail lap joint parts can be U-shaped rivets, the length range of the U-shaped rivets is more than 6cm, and the bent hooks are about 2 cm.
According to a specific embodiment of the present invention, in the manufacturing method, the anchor holes are arranged in the roadbed slope according to the preset positions and the number, and the first ends of the anchor rods are inserted into the anchor holes of the roadbed slope, which can be implemented according to the following specific modes:
drilling holes on the roadbed slope by using wind according to the preset positions and the number to obtain anchor holes, inserting the first ends of the anchor rods into the drilled holes (anchor holes), and fixing the anchor rods by using cement mortar.
In another aspect, the invention also provides application of the roadbed slope protection structure in high liquid limit roadbed slope protection and treatment.
In another aspect, the invention further provides a high liquid limit soil roadbed slope protection treatment process, wherein the high liquid limit soil roadbed slope protection treatment process utilizes the roadbed slope protection structure, and the process comprises the following steps:
fixing the coconut fiber blanket on a roadbed slope;
arranging anchor holes on the roadbed slope according to the preset positions and the quantity, and inserting the first ends of the anchor rods into the anchor holes of the roadbed slope;
arranging the support body on the coconut fiber blanket, laying the metal mesh on the support body, and connecting the second end of the anchor rod with the metal mesh;
spraying the mixed substrate into the space between the coconut fiber blanket and the metal mesh and extending the mixed substrate to the metal mesh;
and watering the mixed base material regularly to keep the mixed base material in a moist state, and continuing to maintain after plants grow on the mixed base material.
Wherein, the watering times, the watering time and the watering period can be properly adjusted according to local climatic conditions, for example, in the specific implementation mode of the invention, the watering can be uniformly carried out once before 10 o 'clock in the morning and after four o' clock in the afternoon, and the watering period is one month; when the grass grows to more than 5cm, the watering amount can be properly reduced, and fertilizer can be properly applied during the maintenance period to ensure the plant to grow.
In the protection and treatment process for the high liquid limit soil roadbed side slope, firstly, a coconut fiber blanket is laid on the excavated roadbed side slope to form a rainwater scouring prevention measure for the surface of the excavated soil body; then, spraying and seeding a base material on the surface of the coconut fiber blanket for greening protection by adopting an anchor rod hanging metal net, wherein the spraying and seeding base material can be added with fertilizer, nutrient, water-retaining agent, various grass seeds and the like according to the field geological condition, and the material and the structure can provide good growth conditions for plant growth and simultaneously achieve the effect of slope protection greening;
the high liquid limit soil roadbed side slope protection and treatment process provided by the invention can protect the excavated roadbed side slope in the most rapid and effective mode after the side slope excavation is finished at one stage, can improve the stability of the side slope, saves the manufacturing cost finished product and improves the safety of operators.
The technical scheme of the invention has the following remarkable beneficial effects:
the roadbed slope protection structure provided by the invention takes the plant fiber blanket, namely the coconut fiber blanket, as a carrier, and the used coconut fiber blanket has good degradability, strong environmental protection and good water storage property; after the coconut fiber blanket is laid on the roadbed slope, the erosion of adverse factors such as wind, water, salt and alkali and the like to the soil can be effectively prevented, and further the physical protection effect on the soil and plants is achieved; the coconut fiber blanket used in the roadbed slope protection structure provided by the invention has the advantages of less construction amount and quick laying; in addition, the coconut fiber blanket adopts coconut palm (pure natural coconut fiber) and a special structure, so that the coconut fiber blanket has certain water storage property, and simultaneously forms an anti-scouring layer, so that the direct scouring of the slope surface can be avoided;
the roadbed slope protection structure is also provided with the metal mesh and the anchor rod, the anchor rod metal mesh is convenient to construct and quick to operate, effective anti-slip measures can be quickly formed on the slope surface, the slope stability can be effectively improved, and the effect of improving the stability of the high liquid limit soil slope is particularly obvious;
the roadbed slope protection structure provided by the invention is also provided with a mixed base material, the mixed base material has certain anti-scouring capacity, a double-layer anti-scouring measure for a slope surface is further formed outside the coconut fiber blanket, and meanwhile, moisture, nutrients and the like can be provided for plant growth.
In conclusion, the roadbed slope protection structure provided by the invention adopts the coconut fiber blanket and the metal mesh spray-seeding base material, so that two layers of anti-scour protection can be effectively formed on the slope surface, and the stability of the high liquid limit roadbed slope is improved; in addition, the roadbed slope protection structure can effectively improve the humidity and the temperature of soil, accumulate humus and improve the soil moisture content, is particularly suitable for barren, salinized and dried soil, and has very obvious effect on soil improvement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of the anchor bar deployment in an embodiment of the present invention.
Fig. 2 is a schematic plan view of a roadbed slope protection structure provided in the embodiment of the invention.
Fig. 3 is a schematic view of a roadbed slope protection structure provided in the embodiment of the invention.
The main reference numbers illustrate:
1. a coconut fiber blanket;
2. a wire mesh;
3. mixing a base material;
4. planting a plate;
5. an anchor rod;
6. an anchor eye;
7. a positioner;
8. iron wires;
9. a pedestrian ladder;
30. a first portion of a hybrid substrate;
31. the second part mixes the substrate.
Detailed Description
In order to clearly understand the technical features, objects and advantages of the present invention, the following detailed description of the technical solutions of the present invention will be made with reference to the following specific examples, which should not be construed as limiting the implementable scope of the present invention.
Example 1
The embodiment provides a roadbed slope protection structure, wherein schematic diagrams of the roadbed slope protection structure are shown in fig. 2 and fig. 3, and as can be seen from fig. 2 and fig. 3, the roadbed slope protection structure comprises a coconut fiber blanket 1, a wire mesh 2, a mixed base material 3 and a plurality of anchor rods 5;
the coconut fiber blanket is used for being fixed on a roadbed slope, and a plant growing plate 4 is arranged between the coconut fiber blanket and the iron wire mesh and used for supporting the iron wire mesh and enabling the iron wire mesh to be separated from the coconut fiber blanket by a preset distance;
the anchor rods can be distributed on the roadbed slope at intervals, the first ends of the anchor rods are inserted into roadbed slope anchor holes 6 (the diameter is 5cm) along the direction vertical to the roadbed slope, the distance between the first ends of the anchor rods and the bottom of the roadbed slope anchor holes is 10cm, and the second ends of the anchor rods sequentially penetrate through the coconut fiber blanket and the wire netting and are bound and connected with the wire netting through wires 8;
in the embodiment, the anchor rod is fixed in the roadbed slope anchor hole by using a locator 7, wherein the locator is a conventional component used in the field;
the mixed substrate fills the gap between the coconut coir blanket and the wire mesh and extends onto the wire mesh (the direction on the wire mesh is away from the roadbed slope);
in this embodiment, the hybrid substrate comprises two parts, wherein a first part of the hybrid substrate 30 fills the space between the coconut fiber blanket and the woven wire, and a second part of the hybrid substrate 31 is disposed on the woven wire.
In this embodiment, the coconut fiber blanket may be made of coconut fibers made of pure natural materials through punching and needling, and the coconut fiber blanket has a cuboid mesh structure;
the diameter range of the coconut fiber in the coconut fiber blanket is 0.3mm-0.8mm, and the length range is 10cm-20 cm; the thickness range of the coconut fiber blanket is 8mm-10 mm.
In this embodiment, the distance between the vegetation plates is 30 cm.
In this embodiment, the distance between the wire mesh and the coconut fiber blanket ranges from 5cm to 7 cm.
In this embodiment, the distance between adjacent anchor rods is 150cm or 200 cm.
The anchor rod used in the embodiment can be made of HRB400 phi 18 steel bars; the exposed end of the anchor rod needs to be subjected to anti-corrosion treatment, and particularly, 15cm of the end part (namely, the end which is not inserted into the anchor hole of the roadbed slope) and the hook part of the anchor rod need to be coated with anti-rust paint for rust prevention.
In this embodiment, the total thickness of the mixed base material ranges from 8cm to 10cm, wherein the thickness of the mixed base material on the metal mesh ranges from 2cm to 3 cm;
the mixed base material is obtained by blending components including planting soil, peat soil, a water-retaining agent, high-order agglomeration granules, a fertilizer and grass seeds according to a certain proportion.
In the embodiment, the wire mesh can be a No. 14 hot-dip galvanized welded (or woven) honeycomb diamond wire mesh (the wire diameter is 2mm), the mesh size of the wire mesh is 5cm × 5cm, and the wire mesh meets the requirements of general purpose low carbon steel wires (YB/T5294-2009);
in this embodiment, a pedestrian ladder 9 is installed on the roadbed slope at intervals of 100-150m along the route direction for maintenance.
Example 2
The embodiment provides a high liquid limit soil roadbed slope protection treatment process, wherein the roadbed slope protection structure provided by the embodiment 1 is utilized in the high liquid limit soil roadbed slope protection treatment process, and the process comprises the following specific steps:
manufacturing a roadbed slope protection structure:
step 1, leveling slope surfaces of high liquid limit soil subgrade slopes: before construction, leveling a slope to be constructed so as to remove impurities such as protruded stones;
step 2, paving a coconut fiber blanket: the coconut fiber blanket is laid out from top to bottom from a slope top buried layer, the coconut fiber blanket is fixed on the slope at the top end of the slope by a U-shaped rivet, the head and tail lap joint is spliced or overlapped for 4cm-8cm and fixed by a rivet, the newly laid coconut fiber blanket is put under the lap joint, and the rivet used for lap joint and fixing is a U-shaped rivet (the length of the rivet is more than 6cm, and the hook is about 2 cm);
step 3, drilling and anchor rod installation: drilling holes on the roadbed slope by using wind according to preset positions and quantity, wherein the drilling direction of the drilled holes is vertical to the slope surface so as to obtain anchor holes, inserting the first ends of the anchor rods into the drilled holes (anchor holes), and fixing the anchor rods by using cement mortar (shown in figure 1);
the exposed end of the anchor rod needs to be subjected to anti-corrosion treatment, and specifically, 15cm of the end part (namely, the end part which is not inserted into the anchor hole of the roadbed slope) and the hook part of the anchor rod are coated with anti-rust paint for rust prevention;
step 4, hanging a net: when laying the wire netting, firstly constructing a row of anchoring nails on the slope top, after the wire netting is hung in the anchoring nails on the slope top, laying the wire netting from top to bottom along the slope surface, tensioning the wire netting to the slope bottom, fixing the wire netting by using the anchoring nails, simultaneously connecting and binding the wire netting and the anchor rod firmly, laying the wire netting in sequence, wherein the overlapping width range of the wire netting is not less than 20cm, and binding the wire netting by using 18# wire at intervals of 30 cm; meanwhile, a plant growing plate is arranged between the coconut fiber blanket and the wire mesh, so that the distance between the wire mesh and the coconut fiber blanket is kept within 5cm-7 cm;
step 5, mixing the base material: pouring the components of planting soil, peat soil, water-retaining agent, high-order agglomeration granules, fertilizer, grass seeds and the like into a stirrer according to the proportion requirement for stirring, wherein the stirring effect is that the mixture is grabbed by hands to agglomerate, and the mixture can be scattered after being loosened;
step 6, hydraulic spray seeding: pouring the uniformly mixed base material into a spraying machine, spraying the mixed base material into a gap between the coconut fiber blanket and the metal mesh and extending the mixed base material to the metal mesh; spraying the base material twice, wherein the first time is a base layer, and the second time is a seed layer;
step 7, maintenance: uniformly watering once before 10 am and once after four pm, wherein the watering period is one month, the watering amount can be properly reduced when plants (such as grass) grow to more than 5 centimeters, and fertilizers can be properly applied during the maintenance period to ensure the growth of the plants.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features and the technical inventions of the present invention, the technical features and the technical inventions, and the technical inventions can be freely combined and used.
Claims (10)
1. A roadbed slope protection structure is characterized by comprising a coconut fiber blanket, a metal mesh, a mixed base material and a plurality of anchor rods;
the coconut fiber blanket is used for being fixed on a roadbed slope, and a support body is arranged between the coconut fiber blanket and the metal mesh and used for supporting the metal mesh and enabling the metal mesh and the coconut fiber blanket to be separated by a preset distance;
the plurality of anchor rods can be distributed on the roadbed slope at intervals, the first ends of the anchor rods are inserted into anchor holes of the roadbed slope, and the second ends of the anchor rods sequentially penetrate through the coconut fiber blanket and the metal net and are connected with the metal net;
the mixed base material fills the gap between the coconut fiber blanket and the metal mesh and extends to the metal mesh.
2. The subgrade slope protection structure according to claim 1, characterized in that the coconut fibers in the coconut fiber blanket have a diameter ranging from 0.3mm to 0.8mm and/or a length ranging from 10cm to 20 cm;
the thickness range of the coconut fiber blanket is 8mm-10 mm.
3. The protective structure for subgrade and side slope according to claim 1, characterized in that said supporting body is a vegetation board.
4. The slope protection structure of claim 1 or 3, wherein the distance between the metal mesh and the coconut fiber blanket is in the range of 5cm-7 cm.
5. The subgrade slope protection structure according to claim 1, wherein the first ends of a plurality of the anchor rods can be inserted into the subgrade slope anchor holes in a direction perpendicular to the subgrade slope.
6. The structure of claim 1, wherein the hybrid substrate has a total thickness ranging from 8cm to 10cm, and wherein the hybrid substrate on the metal mesh has a thickness ranging from 2cm to 3 cm.
7. The subgrade and slope protection structure according to claim 1 or 6, characterized in that the mixed base material is obtained by mixing components including planting soil, peat soil, water-retaining agent, high-order agglomeration agent, fertilizer and grass seeds according to a certain proportion.
8. The method for manufacturing a subgrade and slope protection structure according to any one of claims 1-7, which is characterized by comprising the following steps:
fixing the coconut fiber blanket on a roadbed slope;
arranging anchor holes on the roadbed slope according to the preset positions and the quantity, and inserting the first ends of the anchor rods into the anchor holes of the roadbed slope;
arranging the support body on the coconut fiber blanket, laying the metal mesh on the support body, and connecting the second end of the anchor rod with the metal mesh;
spraying the mixed substrate into the space between the coconut fiber blanket and the metal mesh and extending the mixed substrate onto the metal mesh.
9. Use of the subgrade and slope protection structure according to any one of claims 1-7 in the management of high liquid limit subgrade and slope protection.
10. A high liquid limit soil roadbed slope protection treatment process, which is characterized in that the high liquid limit soil roadbed slope protection treatment process utilizes the roadbed slope protection structure of any one of claims 1-7, and the process comprises the following steps:
fixing the coconut fiber blanket on a roadbed slope;
arranging anchor holes on the roadbed slope according to the preset positions and the quantity, and inserting the first ends of the anchor rods into the anchor holes of the roadbed slope;
arranging the support body on the coconut fiber blanket, laying the metal mesh on the support body, and connecting the second end of the anchor rod with the metal mesh;
spraying the mixed substrate into the space between the coconut fiber blanket and the metal mesh and extending the mixed substrate to the metal mesh;
and watering the mixed base material regularly to keep the mixed base material in a moist state, and continuing to maintain after plants grow on the mixed base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863514.2A CN110629767A (en) | 2019-09-12 | 2019-09-12 | Roadbed slope protection structure and manufacturing method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863514.2A CN110629767A (en) | 2019-09-12 | 2019-09-12 | Roadbed slope protection structure and manufacturing method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110629767A true CN110629767A (en) | 2019-12-31 |
Family
ID=68972795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910863514.2A Pending CN110629767A (en) | 2019-09-12 | 2019-09-12 | Roadbed slope protection structure and manufacturing method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110629767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202114A (en) * | 2021-05-11 | 2021-08-03 | 北华航天工业学院 | Method for reinforcing broken rock slope by adopting microbial curing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1161829A (en) * | 1997-08-23 | 1999-03-05 | Nisshoku Corp | Vegetation net |
| CN204238229U (en) * | 2014-11-17 | 2015-04-01 | 申新山 | Fiber crops coconut palm plants raw greening blanket |
| CN107100176A (en) * | 2017-04-24 | 2017-08-29 | 浙江中景市政园林建设有限公司 | A kind of expressway slope greening system |
| CN206859237U (en) * | 2017-05-18 | 2018-01-09 | 湖南芷兰生态环境建设有限公司 | A kind of double nets of a plate exempt to conserve ecological slope protection structure |
-
2019
- 2019-09-12 CN CN201910863514.2A patent/CN110629767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1161829A (en) * | 1997-08-23 | 1999-03-05 | Nisshoku Corp | Vegetation net |
| CN204238229U (en) * | 2014-11-17 | 2015-04-01 | 申新山 | Fiber crops coconut palm plants raw greening blanket |
| CN107100176A (en) * | 2017-04-24 | 2017-08-29 | 浙江中景市政园林建设有限公司 | A kind of expressway slope greening system |
| CN206859237U (en) * | 2017-05-18 | 2018-01-09 | 湖南芷兰生态环境建设有限公司 | A kind of double nets of a plate exempt to conserve ecological slope protection structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202114A (en) * | 2021-05-11 | 2021-08-03 | 北华航天工业学院 | Method for reinforcing broken rock slope by adopting microbial curing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314087B (en) | A kind of side-slope greening and protection structure and construction method thereof | |
| CN105178339A (en) | Spray-sowing slope protection structure for steep rock side slope | |
| CN107893422B (en) | A kind of reinforcement type ecological slope protection structure and its construction method | |
| CN109723068B (en) | Steep concrete sash Liang Hupo system beneficial to slope vegetation growth and construction method | |
| CN104196038A (en) | High and steep rock side slope active protection method and facility | |
| CN206736931U (en) | Highway Lithological Slope liana ecological safeguard structure | |
| CN112064655A (en) | Rapid restoration and greening method for limestone bare high and steep slope | |
| CN114351733A (en) | Rock slope vegetation system and vegetation planting construction method | |
| CN105625443A (en) | High-steep soil nail grass planting slope protection structure system and construction method thereof | |
| CN106638630A (en) | Ecological greening device for side slope with flexible ceramsite plates, and greening method thereof | |
| CN100444717C (en) | Recovering technology for VRT base plate reparing and plastisizing vegitation | |
| CN107100176A (en) | A kind of expressway slope greening system | |
| CN108049423A (en) | Ecological landscape retaining wall | |
| CN110629767A (en) | Roadbed slope protection structure and manufacturing method and application thereof | |
| CN210031859U (en) | Greening system for reinforcing side slope | |
| CN205024698U (en) | Slope protection structure is given birth to in intermingle of spouting to precipitous rock matter side slope | |
| CN211621621U (en) | Plant biological bag protection device for high and steep rocky slope | |
| CN112335500A (en) | Pouring type double-layer soil dressing spraying mixed plant greening method for concrete protection slope | |
| CN215926021U (en) | High steep slope greening structure based on geocell | |
| CN204238225U (en) | High steep rock slope active defense facility | |
| CN206289637U (en) | Flexible ceramsite board slope ecological afforestation equipment | |
| CN102660958B (en) | Method for protecting ecology of slope through sprinkling irrigation of CS (carbon steel) mixed fibers | |
| CN213114677U (en) | Ecological slope protection structure of side slope is piled up to granular material | |
| CN112931075B (en) | Construction process of mining area foreign soil hanging net spray-seeding greening structure | |
| CN205382500U (en) | Mix side slope |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191231 |
|
| WD01 | Invention patent application deemed withdrawn after publication |