CN115075268A - High slope vegetation reconstruction construction process - Google Patents

Abstract

The invention belongs to the field of side slope treatment, and discloses a construction technique for revegetation of a high side slope, comprising the following steps: Step 1: laying a layer of grid nets on the slope surface of the high side slope, and uniformly spaced grids on the slope surface Anchor rods are lowered into the slope surface, and the grid mesh is anchored on the slope surface by the anchor rods; Step 2: On the slope surface processed in Step 1, set up multiple grid beams in a grid-like staggered distribution, and Each mesh constitutes a geocell; Step 3: Fill each geocell with the first soil layer until the upper end of the first soil layer is flush with the chamber mouth of the corresponding geocell; Step 4: On the slope A layer of metal mesh is placed on the top of the multiple geocells, and ecological sticks are tied at the ends of the metal mesh at even intervals, and a second soil layer containing plant seeds is sprayed on the metal mesh until the second soil layer is Ecological stick covering; Step 5: A layer of ecological net is covered on the upper end of the second soil layer, and the slope surface is regularly maintained, which is convenient for construction.

Description

A kind of construction technology of high slope vegetation reconstruction

technical field

The invention belongs to the field of side slope treatment, and in particular relates to a construction technology for high side slope vegetation reconstruction.

Background technique

At present, although there are relatively mature technologies or construction methods for the treatment of high and steep rock slopes, the prestressed anchor-cable frame lattice beam slope protection and the reinforced concrete frame slope protection are the most common among them, but the above slope protection is very large. To a certain extent, it can effectively eliminate the hidden dangers of geological disasters, but for landscape greening, it is usually used to erect retaining walls at the slope foot or slope top of lattice support or directly plant climbing vegetation to achieve greening purposes. In the interior of the lattice, planting bags or hexagonal bricks are usually covered with greening, which usually only pays attention to the protective effect, resulting in a large number of exposed concrete and masonry slopes, which adversely affects soil and water conservation. The long-term unobstructed runoff of rainwater and some concentrated infiltration will lead to the suspension and collapse of lattice beams, which will endanger the governance effect of the entire slope and bring losses to the project.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the purpose of the present invention is to provide a high-slope vegetation reconstruction construction technology that is convenient for construction and can protect and green the entire slope.

In order to achieve the above object, the technical scheme of the present invention is as follows: a high-slope vegetation reconstruction construction technology, comprising the following steps:

Step 1: Lay a layer of grid mesh on the slope of the high slope, and lower the anchor rods into the evenly spaced slope surface on the slope surface, and anchor the grid mesh on the slope by the anchor rods. on the slope;

Step 2: On the slope treated in Step 1, a plurality of lattice beams are arranged in a grid-like staggered distribution, and each mesh constitutes a geocell;

Step 3: filling each of the geocells with a first soil layer until the upper end of the first soil layer is flush with the chamber mouth corresponding to the geocell;

Step 4: Cover a layer of metal mesh on the top of the plurality of geocells on the slope, and tie ecological rods at the top of the metal mesh at even intervals, and spray a layer of plant seeds on the metal mesh the second soil layer until the second soil layer covers the ecological stick;

Step 5: Cover the upper end of the second soil layer with a layer of ecological net, and regularly maintain the slope.

The beneficial effect of the above technical scheme is that: by anchoring a layer of glass fiber reinforced plastic mesh on the slope surface, the slope surface can be protected to avoid local disintegration of the slope surface, and the slope surface can be reinforced by setting lattice beams on the slope surface. The filling of the first soil layer in the geocell is conducive to the rooting and growth of crops in the later stage, and the setting of the metal mesh layer can provide attachment for the ecological sticks, and also provide protection for the first soil layer, and the ecological sticks can provide the plant growth in the later stage. In addition, it can prevent landslides in the first soil layer, and the ecological net can prevent birds from pecking plant seeds, and can also avoid the erosion of the first soil layer during the rain or later watering process.

In the above technical solution, the grid in step 1 is a glass fiber reinforced plastic grid.

The beneficial effect of the above technical solution is that the strength is high.

In the above-mentioned technical solution, in step 1, the anchor rod is a round steel bar made of q235 material with a diameter of 14mm, the surface of the anchor rod is subjected to rust removal and degreasing treatment, and the depth of the anchor rod into the slope surface is 0.3-0.5m.

The beneficial effect of the above technical solution is that it has a good anchoring effect on the grid net.

The depth of the geocell in the above technical solution is not less than 10cm.

The beneficial effect of the above technical solution is that the protection effect on the slope surface is good.

In the above technical solution, the metal mesh is a 14# plastic-coated galvanized wire mesh, and the mesh size of the metal mesh is 50mm×50mm.

The beneficial effect of the above technical scheme is that the anticorrosion performance is good.

In the above technical solution, the metal mesh is provided with two layers.

The beneficial effect of the above technical solution is that the protection performance is better.

In the above-mentioned technical scheme, in the step 4, the ecological bar comprises a non-woven capsule and a matrix layer filled in the non-woven capsule, the length of the ecological bar is 0.8-1.2 m, and the diameter of the ecological bar is 8-12cm.

The beneficial effect of the above technical scheme is that the fertilizer effect can be slowly released in the later stage of the ecological bar, so that the plant can supplement the fertility for a long time during the growth process.

In the above technical solution, the matrix layer is an organic matrix.

The beneficial effect of the above technical scheme is that the fertilizer effect is good.

In the above technical solution, the thickness of the second soil layer is 10-20 cm.

The beneficial effect of the above technical solution is that it can provide good soil support for plant growth.

In the above technical solution, the second soil layer contains soil, fertilizer and soil composite additives.

The beneficial effect of the above technical scheme is that it is beneficial to the growth of plants.

Description of drawings

Fig. 1 is the sectional view after the high slope trellis vegetation reconstruction according to the embodiment of the present invention;

Fig. 2 is the interlaced schematic diagram of the lattice beams in the embodiment of the present invention;

3 is a schematic diagram of the distribution of the ecological bag on the metal mesh in the embodiment of the present invention;

FIG. 4 is a cross-sectional view of the ecological bag in the embodiment of the present invention.

In the picture: 1 grid net, 2 anchor rod, 3 grid beam, 4 geocell, 5 first soil layer, 6 metal mesh, 7 ecological rod, 71 non-woven bag, 72 matrix layer, 8 second soil Layer, 9 ecological network.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention. The invention is described in more detail by way of example in the following paragraphs with reference to the accompanying drawings. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

As shown in Fig. 1-Fig. 4, the present embodiment provides a kind of high slope vegetation reconstruction construction technology, comprises the following steps:

Step 1: Lay a layer of grille mesh 1 on the slope of the high slope, and lower the anchor rods 2 into the evenly spaced slope surface on the slope surface, and the grille mesh is installed by the anchor rods 2. 1 Anchored on the slope;

Step 2: On the slope treated in Step 1, a plurality of lattice beams 3 are arranged in a grid-like staggered distribution, and each mesh constitutes a geocell 4;

Step 3: Fill the first soil layer 5 into each of the geocells 4 until the upper end of the first soil layer 5 is flush with the chamber opening corresponding to the geocell 4;

Step 4: A layer of metal mesh 6 is placed on the slope above the plurality of geocells 4, and ecological rods 7 are evenly spaced at the upper end of the metal mesh 6, and sprayed on the metal mesh 6. Sow a layer of the second soil layer 8 containing plant seeds, until the second soil layer 8 covers the ecological stick 7;

Step 5: Cover the upper end of the second soil layer 8 with a layer of ecological net 9, and regularly maintain the slope surface (maintenance mainly includes watering, and watering is regularly performed according to the dry cracking of the second soil layer). Anchoring a layer of glass fiber reinforced plastic mesh on the slope can protect the slope and avoid local disintegration of the slope. In addition, the slope can be reinforced by setting lattice beams on the slope, and the first soil layer filled in the geocell has a It is conducive to the rooting and growth of crops in the later stage, and the metal mesh layer can provide attachment for the ecological rods and at the same time provide protection for the first soil layer, and the ecological rods can provide nutrients for the later plant growth, and also prevent the first soil layer. Landslides, while the ecological net prevents birds from pecking at plant seeds, and also avoids erosion of the first soil layer during rain or later watering.

Wherein, the ecological bags are horizontally bound to the metal mesh in rows along the slope direction, and two adjacent rows of ecological bags are staggered. The spacing of the bags along the slope is 0.5-1m.

The shape of the geocell can be square, rhombus or triangular, and the area of the opening of each geocell can be 0.5-1 m ² .

Wherein, the lower end of the lattice beam is embedded into the slope surface at a depth of 5-20 cm, so that the lattice beam has better protection performance against the slope surface, and the lattice beam can be a concrete beam.

In the above technical solution, the grid 1 in step 1 is a glass fiber reinforced plastic grid, and its strength is high, and the mesh size of the grid can be 50mm×50mm.

In the step 1 described in the above technical solution, the anchor rod 2 is a round steel bar made of q235 material with a diameter of 14 mm, and the surface of the anchor rod 2 is subjected to rust removal and degreasing treatment (wherein the rust removal and degreasing process of the steel bar belongs to the existing technology, which will not be dealt with here), and the depth of the anchor rod 2 anchored into the slope surface is 0.3-0.5m, which has a good anchoring effect on the grid. Wherein, the upper end of the anchor rod can be bent into a hook shape, and the grille mesh can be hooked and fixed.

In the above technical solution, the depth of the geocell 4 is not less than 10 cm, so that the protection effect on the slope surface is good.

In the above technical solution, the metal mesh 6 is a 14# plastic-coated galvanized wire mesh, and the mesh size of the metal mesh 6 can be 50mm×50mm, and its anti-corrosion performance is good.

In the above technical solution, the metal mesh 6 is provided with two layers, so that its protective performance is better.

In the above-mentioned technical scheme, in the step 4, the eco-bar 7 includes a non-woven bag 71 and a matrix layer 72 filled in the non-woven bag 71. The length of the eco-bar 7 is 0.8-1.2 m, so the The diameter of the ecological bar 7 is 8-12 cm, so that the fertilizer effect can be released slowly in the later stage of the ecological bar, so that the plant can supplement the fertility for a long time during the growth process.

In the above technical solution, the matrix layer 72 is an organic matrix, and its fertilizer effect is good.

In the above technical solution, the thickness of the second soil layer 8 is 10-20 cm, which can provide good soil support for plant growth.

The second soil layer 8 described in the above-mentioned technical scheme contains soil (the guest soil containing organic matter and gravel, wherein, the mass ratio of soil, gravel and organic matrix can be 10-8:1:1-3), fertilizer (selected Long-acting fertilizers and quick-acting fertilizers that meet the needs of plant growth, mainly compound fertilizers and calcium-magnesium-phosphate fertilizers) and soil compound additives (composed of natural vegetable oil inducers and other macromolecular materials, play a role in promoting the aggregate reaction during construction, Made into a stable soil medium, suitable for pellet spraying), which is conducive to plant growth.

Wherein, some gravel and organic matrix may be appropriately added to the first soil layer, wherein the mass ratio of soil, gravel and organic matrix may be 10-8:1:1-3.

The width of the metal mesh can usually be 1-2m, and two adjacent metal meshes can be bound by iron wires, and the ecological bag is also bound to the metal mesh by iron wires.

The plant seeds can be herb seeds and/or shrub seeds, and plant seeds suitable for local growth are preferred in the selection of plant seeds.

The high-slope vegetation reconstruction construction technology provided in this embodiment can be applied to the preparation and reconstruction of rock slopes with a slope of more than 50°.

Wherein, plant seeds can also be uniformly mixed into the organic matrix in the ecological bag.

The ecological net can be a coconut blanket.

Wherein, the soil in the first soil layer and the second soil cannot be soil contaminated by oil.

Before the vegetation on the slope surface grows, water should be applied to the slope surface every 3-5 days. Pay attention to the impact force when applying water. Otherwise, it will easily lead to soil erosion on the slope surface.

Wherein, the organic substrate can be a mixture of straw rot, livestock and poultry manure, soybean meal and other materials.

It should be noted that the foregoing detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can, for example, be practiced in sequences other than those illustrated or described herein.

Also, when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

For ease of description, spatially relative terms such as "on", "over", "on the surface", "above" may be used herein "," etc., are used to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can include both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In the above detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein. It will be readily appreciated that, as generally described herein and illustrated in the accompanying drawings, aspects of the present disclosure may be arranged, substituted, combined, divided, and designed in a wide variety of different configurations, all of which are herein Consider explicitly.

This disclosure is not intended to be limiting in light of the specific embodiments described in this application, which are intended as illustrations of various aspects. As will be apparent to those skilled in the art, many modifications and variations can be made without departing from the spirit and scope of the present disclosure. Functionally equivalent methods and apparatus within the scope of the present disclosure, other than those listed herein, will be apparent to those skilled in the art from the foregoing description. Such modifications and variations are intended to fall within the scope of the appended claims. The present disclosure is to be limited only by the terms of the appended claims, along with the full scope of equivalents to which such claims are entitled. It is to be understood that this disclosure is not limited to particular methods, reagents, compounds, compositions or biological systems, which can, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form; any person of ordinary skill in the industry can smoothly implement the present invention as shown in the accompanying drawings and the above descriptions. However, all those skilled in the art who are familiar with the technical solutions of the present invention make use of the above-disclosed technical content to make some changes, modifications and equivalent changes of evolution, all of which are equivalent implementations of the present invention. At the same time, any alteration, modification and evolution of any equivalent changes made to the above embodiments according to the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A high slope vegetation reconstruction construction process is characterized by comprising the following steps:

step 1, laying a layer of grid net (1) on the slope surface of a high slope, downwards inserting anchor rods (2) into the slope surface at even intervals on the slope surface, and anchoring the grid net (1) on the slope surface by the anchor rods (2);

step 2: arranging a plurality of grid beams (3) which are distributed in a net-shaped staggered manner on the slope surface treated in the step (1), wherein each mesh forms a geocell (4);

and step 3: filling a first soil layer (5) into each geocell (4) until the upper end of the first soil layer (5) is flush with the opening of the corresponding geocell (4);

and 4, step 4: covering a layer of metal mesh (6) above the plurality of geocells (4) on the slope, uniformly binding ecological rods (7) at the upper ends of the metal mesh (6) at intervals, and spraying a second soil layer (8) containing plant seeds on the metal mesh (6) until the ecological rods (7) are coated by the second soil layer (8);

and 5: and a layer of ecological net (9) is arranged on the upper end cover of the second soil layer (8), and the slope is maintained periodically.

2. The high slope vegetation reconstruction construction process of claim 1, wherein the grid net (1) in step 1 is a glass fiber reinforced plastic grid net.

3. The high slope vegetation reconstruction construction process according to claim 1, wherein in the step 1, the anchor rod (2) is a round steel bar made of q235 material with the diameter of 14mm, the surface of the anchor rod (2) is subjected to rust and oil removal treatment, and the anchoring depth of the anchor rod (2) in the slope surface is 0.3-0.5 m.

4. The high slope vegetation reconstruction process of claim 1, wherein the depth of the geocell (4) is not less than 10 cm.

5. The reconstruction construction process for high slope vegetation according to claim 1, wherein the metal mesh (6) is a 14# plastic-coated galvanized wire mesh, and the mesh specification of the metal mesh (6) is 50mm x 50 mm.

6. The high slope vegetation reconstruction process of claim 1, wherein the metal mesh (6) is provided with two layers.

7. The high slope vegetation reconstruction construction process of claim 1, wherein the ecological rod (7) in the step 4 comprises a non-woven fabric bag (71) and a matrix layer (72) filled in the non-woven fabric bag (71), the length of the ecological rod (7) is 0.8-1.2m, and the diameter of the ecological rod (7) is 8-12 cm.

8. The high slope vegetation reconstruction process of claim 7, wherein the substrate layer (72) is an organic substrate.

9. The high slope vegetation reconstruction process of claim 1, wherein the thickness of the second soil layer (8) is 10-20 cm.

10. The high slope vegetation reconstruction process of claim 1, wherein the second soil layer (8) contains soil, fertilizer and soil additive.

Images