Road ecological environment-friendly slope system and slope construction method

Abstract

The invention discloses a road ecological environment-friendly slope system which comprises a roadbed, the roadbed is filled with coarse particle layers, and a reinforcing layer is arranged between every two adjacent coarse particle layers. A base layer is arranged on the bottom side of the bottommost coarse particle layer; the coarse particle layer is provided with horizontal anchor rods and vertical channel steel; a soil leveling layer is laid on the slope surface of the roadbed, an inverted filter soil layer is laid on the soil leveling layer, a gabion net is laid on the inverted filter soil layer, planting blocks are built on the gabion net, planting grooves are formed in the planting blocks, pouring holes are further reserved in the planting blocks, reinforcing rods are installed in the pouring holes, and the reinforcing rods are obliquely inserted into the coarse particle layer; the reinforcing rods are obliquely inserted into the side slope roadbed to play an anchoring role, the planting blocks are tightly connected with the side slope roadbed, the stability of the planting blocks is improved, and the planting blocks are prevented from shifting or toppling due to external force. The upper load is dispersed to the deep part of the side slope by the reinforcing rods, so that the stress concentration of the planting blocks and the surrounding area is reduced, the bearing capacity of the whole side slope is improved, and the slope protection capacity is enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of road slopes, and in particular to a road ecological and environmentally friendly slope system and a slope construction method. Background Art

[0002] The road ecological slope system is a slope protection technology that integrates knowledge of engineering mechanics, soil science, ecology and other disciplines. It plants plants on the slope and uses the plant roots to reinforce the slope, while restoring and improving the ecological environment. It can improve the stability of the slope, beautify the environment, and reduce soil erosion. It is a protective measure that takes into account both ecological and engineering benefits.

[0003] For road slopes built in areas with heavy rainfall, as the rainwater scours and penetrates, the water will penetrate into the pores in the slopes, causing the particles or soil layers in the slopes to be washed away, resulting in increased pores and affecting the stability of the slopes. Eco-bricks are sometimes used to protect the existing road slopes. Planting grass and trees can effectively improve the ecological environment, but there are still some problems in using eco-bricks to protect the slopes, as follows:

[0004] 1. In the early stage of construction, the ecological brick slope protection is easily washed by rainwater, forming surface gullies, which affects the slope protection effect, because the vegetation has not been fully covered and the root system has not been fully developed.

[0005] 2. In areas with heavy rainfall or poor soil quality, vegetation may grow poorly and the root system may not be fully developed, resulting in a weakened anti-scouring ability of the ecological brick slope protection;

[0006] 3. The structural stability of the ecological brick slope protection depends on the connection between bricks and the development of vegetation roots. In the case of heavy rain erosion, the connection between bricks may be weakened, resulting in the instability of the slope protection structure. Summary of the invention

[0007] The embodiment of the present application provides a road ecological and environmentally friendly slope system and a slope construction method. The reinforcement rods are obliquely inserted into the slope roadbed to play an anchoring role, tightly connecting the planting blocks to the slope roadbed, increasing the stability of the planting blocks and preventing them from shifting or tipping over due to external forces; the oblique setting of the reinforcement rods provides additional anti-skid force, which can effectively resist the sliding tendency of the slope and reduce the risk of sliding of the planting blocks under external forces such as rain erosion or earthquakes; the reinforcement rods disperse the upper load to the depth of the slope, reducing the stress concentration of the planting blocks and their surrounding areas, improving the bearing capacity of the entire slope, and thus enhancing the slope protection capacity.

[0008] The embodiment of the present application provides a road ecological environmental protection slope system, including a roadbed,

[0009] The roadbed is filled with coarse-grained layers, which are filled from bottom to top. A reinforcement layer is provided between two adjacent coarse-grained layers to ensure the stability between the two layers. A foundation layer is provided on the bottom side of the bottom coarse-grained layer to enhance the overall stability and anti-slip ability of the soil. Horizontal anchor rods are provided in the coarse-grained layer to effectively resist horizontal forces, thereby enhancing the horizontal stability of the slope, while limiting the horizontal displacement of the soil, reducing slope deformation, and improving the stability of the roadbed. Channel steel is also vertically provided in the coarse-grained layer. As a rigid material, the channel steel is vertically provided in the The coarse particle layer can significantly enhance the structural properties of the roadbed and improve the overall stability. At the same time, it can resist the shear force in the coarse particle layer, reduce soil sliding and deformation, and thus improve the shear strength of the slope. A soil leveling layer is laid on the slope of the roadbed, and an anti-filter soil layer is laid on the soil leveling layer as a surface protection layer of the slope to prevent fine soil particles from being lost with the water flow, while allowing water to pass through, playing a role in filtering and drainage. Gabion mesh is laid on the anti-filter soil layer as a surface protection layer of the slope to prevent the slope surface from being eroded by rainwater and weathering, while providing a certain amount of vegetation growth space, which is conducive to ecological restoration.

[0010] Planting blocks are built on the gabion net, planting grooves are opened on the planting blocks, and casting holes are reserved on the planting blocks. Reinforcement rods are installed in the casting holes. The reinforcement rods are obliquely inserted into the coarse particle layer to play an anchoring role, tightly connecting the planting blocks to the roadbed, increasing the stability of the planting blocks and preventing them from shifting or tipping over due to external forces.

[0011] A reinforcement line is reserved on the inner wall of the casting hole. The reinforcement line and the planting block are arranged into an integrated structure. The reinforcement line is made of a composite material composed of nylon and carbon fiber, which can effectively improve the hardness and mechanical properties of the reinforcement line. When fine sand concrete is poured in the casting hole, the reinforcement line is cast and fixed together with the reinforcement rod through the fine sand concrete, so that the planting block, the reinforcement line and the reinforcement rod form a whole, which enhances the integrity and stability of the slope protection structure. In addition, the reinforcement line has high tensile strength, can effectively resist tensile force, reduce deformation and damage of the planting block when subjected to force, and improve the tensile strength of the slope protection structure.

[0012] The reinforcement layer is composed of geogrid and gabion mesh; the geogrid is close to the top of the coarse particle layer, which can effectively disperse and transfer the load, enhance the stability of the roadbed, prevent the roadbed from sliding or deforming when subjected to force, restrain the displacement of gravel particles, and reduce the deformation of the roadbed when subjected to force; the gabion mesh is located on the upper side of the geogrid, close to the bottom of the adjacent coarse particle layer. The gabion mesh is made of metal mesh, has strong tensile strength and durability, can provide additional support, enhance the overall stability of the roadbed, reduce settlement caused by load, and improve the long-term stability of the roadbed.

[0013] A reinforcement component is provided on the reinforcement layer, and the tension between two adjacent channel steels is used to improve the connection stability of the reinforcement layer, so as to enhance the overall stability of the roadbed;

[0014] The reinforcement assembly is symmetrically arranged on two adjacent channel steel side walls, and includes a reinforcement plate 1 and a reinforcement plate 2; the reinforcement plate 1 is located above the reinforcement layer and is tightly attached to the top of the gabion net; the reinforcement plate 2 is located below the reinforcement layer and is tightly attached to the bottom of the geogrid; the reinforcement plate 1 and the reinforcement plate 2 are fixed by bolts.

[0015] One side of the reinforcement plate 1 and the reinforcement plate 2 are fixed to the side wall of the channel steel, and a pull ring is fixedly connected to the side of the reinforcement plate 1 far from the channel steel. Two adjacent reinforcement plates 1 are connected by wire ropes through the pull rings.

[0016] The foundation layer is composed of geogrid and anti-filtration geotextile; the geogrid is laid on the subgrade of the roadbed, and its main function is to enhance the overall stability and anti-slip ability of the soil, and to improve the shear strength of the soil through the friction and embedding effect between the grid and the soil; the anti-filtration geotextile is laid above the geogrid, close to the geogrid, and its main function is to prevent fine soil particles from being lost with the water flow, while allowing water to pass through, playing a role of filtering and drainage; the gabion mesh is laid above the anti-filtration geotextile.

[0017] The road ecological and environmental protection slope construction method specifically includes the following processes:

[0018] S1: Construction preparation, survey the construction area, understand the terrain and geological conditions, clean the construction site, and remove weeds, tree roots, stones and other debris;

[0019] S2: Foundation wall construction: a trench is dug at the location of the foundation wall and poured with concrete, which is 20-30cm above the ground level;

[0020] S3: Roadbed construction, compact the foundation to improve the bearing capacity of the foundation, and then lay geogrids and anti-filter geotextiles as the base layer in order; channel steels are arranged vertically in rows, inserted into the coarse particle layer, and concrete is poured to fix the channel steels, and then the coarse particle layer is laid and compacted;

[0021] S4: Installation of reinforcement components. The second reinforcement plate is fixed to the side wall of the channel steel by welding close to the coarse particle layer. Then the geogrid and gabion mesh are laid in sequence as reinforcement layers. The first reinforcement plate is fixed to the side wall of the channel steel by welding close to the gabion mesh. The first reinforcement plate and the second reinforcement plate are fixed by bolts. Two adjacent reinforcement plates are connected by wire ropes through pull rings.

[0022] S5: The coarse particle layer is stacked in layers, followed by the second coarse particle layer, and S4 is repeated until the designed height is reached;

[0023] S6: Horizontal anchor rods are constructed in layers. Holes are drilled horizontally by a drilling machine layer by layer, anchor rods are installed and concrete is poured to fix them. It should be noted that the position of the drilling holes should be close to the outer wall of the channel steel so that the anchor rods can be close to the channel steel, thus making the two firmly together.

[0024] S7: Planting blocks are laid on the slope. After the roadbed is constructed, the soil leveling layer, filter soil layer and gabion net are laid on the slope in order. Planting blocks are laid on the gabion net. Holes are drilled on the slope using drill rods and casting holes. Reinforcement rods are installed in the casting holes and are fixed by pouring fine sand concrete. The reinforcement rods are obliquely inserted into the coarse particle layer to play an anchoring role, and the planting blocks are tightly connected to the roadbed.

[0025] S8: After all construction is completed, fill the planting troughs with planting bags and green plants or grass seeds, and carry out maintenance in a timely manner.

[0026] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0027] 1. After the planting block is built, the reinforcement rod is inserted obliquely into the slope roadbed to play an anchoring role, tightly connecting the planting block to the slope roadbed, increasing the stability of the planting block and preventing it from shifting or tipping over due to external forces; the oblique setting of the reinforcement rod provides additional anti-slip force, which can effectively resist the sliding trend of the slope and reduce the risk of sliding of the planting block under external forces such as rain erosion or earthquakes; the reinforcement rod disperses the upper load to the depth of the slope, reducing the stress concentration of the planting block and its surrounding areas, and improving the bearing capacity of the entire slope, thereby enhancing the slope protection capacity; the planting block provides a good environment for vegetation growth, and the vegetation roots can further fix the soil and work together with the reinforcement rod to form a more stable slope protection system.

[0028] 2. The reinforcement line is fixed to the reinforcement rod through fine sand concrete, which can evenly distribute the force, reduce local stress concentration, and improve the force-bearing performance of the slope protection structure; the reinforcement line and the planting block form an integrated structure, which is fixed to the reinforcement rod through fine sand concrete, so that the planting block, reinforcement line and reinforcement rod form a whole, enhancing the integrity and stability of the slope protection structure.

[0029] 3. Crushed stone is used for the coarse particle layer. Crushed stone particles have good interlocking effect and can form a stable structure, reducing the settlement and deformation of the roadbed. The horizontal setting of anchor rods layer by layer provides additional horizontal restraint, which can effectively resist the horizontal force, thereby enhancing the horizontal stability of the slope, and at the same time limiting the horizontal displacement of the soil, reducing slope deformation, effectively preventing roadbed slippage, and enhancing overall stability.

[0030] 4. The vertical channel steels set in each coarse-grained layer provide additional support for the layer, which enhances the overall stability of the roadbed layer by layer, helps to distribute the upper load more evenly to the lower layer, reduces local stress concentration, increases the overall stiffness of the roadbed, and improves its anti-deformation ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the structure of the ecological and environmentally friendly slope system of the road in this application;

[0032] Figure 2 This is a schematic diagram of the filling structure according to the coarse particle layer for this application;

[0033] Figure 3 This is a schematic diagram of the reinforcement rod installation structure for this application;

[0034] Figure 4 This is a schematic diagram of the channel steel and anchor rod installation structure for this application;

[0035] Figure 5 Reinforcement rod distribution for this application;

[0036] Figure 6 This is an enlarged structural diagram of Part A of this application;

[0037] Figure 7 This is an enlarged structural diagram of Part B of this application;

[0038] Figure 8 This is an enlarged structural diagram of Part C of this application;

[0039] Fig. 9 Schematic diagram of the reinforcement rod structure.

[0040] In the figure: 10 roadbed, 11 multi-step steps, 12 drainage channel, 13 foundation layer, 14 coarse particle layer, 15 reinforcement layer, 16 anchor rods, 17 channel steel, 18 soil leveling layer, 19 reinforcement plate one, 110 reinforcement plate two, 111 pull ring, 112 wire rope, 20 foundation wall, 30 planting block, 31 planting trough, 32 casting hole, 33 reinforcement line, 34 reinforcement rod. DETAILED DESCRIPTION

[0041] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0042] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0044] Embodiment 1

[0045] See also Figure 1-9 A road ecological and environmentally friendly slope system, the roadbed 10 is filled with a coarse particle layer 14 such as crushed stones; the filling height of each layer of the coarse particle layer 14 can be between 70cm-1.2m, and geogrids and gabions are laid between each layer of the coarse particle layer 14 as a reinforcement layer 15; 5 horizontal anchor rods 16 are set according to the number of layers of the coarse particle layer 14, and the diameter of the anchor rod 16 is between 115-117mm and the length is between 3.8m-4m.

[0046] The road slope height is 5m and the slope is 1.5:2. According to the slope calculation formula:

[0047] i=h / d

[0048] The length of the slope is about 8.33 meters; h is the height difference between the top and bottom of the slope, and d is the horizontal distance between the top and bottom of the slope;

[0049] Five rows of vertical channel steels 17 are arranged in the coarse particle layer 14 , and a distance of 30-50 cm is reserved between two adjacent channel steels 17 . The size of the channel steel 17 is 50×50×120 cm.

[0050] A reinforcing plate 19 and a reinforcing plate 2 110 are fixed to one side wall of the channel steel 17 by welding. The reinforcing plate 19 and the reinforcing plate 2 110 are fixed by bolts. The cross-sectional dimensions of the reinforcing plate 19 and the reinforcing plate 2 110 are both 100 mm × 50 mm × 35 mm. The reinforcing plate 19 is located above the gabion net and is in close contact with the gabion net. The reinforcing plate 2 110 is located below the geogrid and is in close contact with the geogrid.

[0051] The reinforcement plate 1 19 and the reinforcement plate 2 110 are both made of aluminum alloy, which has good compression and tensile properties and is relatively light in weight.

[0052] The other side of the reinforcing plate 19 (that is, one side of the far channel steel 17) is fixedly connected with a pull ring 111 by welding for installing a steel wire rope 112. The steel wire rope 112 has a diameter of 30 mm and a length between 40-60 cm.

[0053] A soil leveling layer 18 is laid on the slope of the roadbed 10, and a filter soil layer (using a filter geotextile) is laid on the soil leveling layer 18 as a surface protection layer of the slope to prevent fine soil particles from being lost with the water flow, while allowing water to pass through, playing a role of filtering and drainage; a gabion net is laid on the filter soil layer as a surface protection layer of the slope to prevent the slope surface from being eroded by rainwater and weathering, while providing a certain space for vegetation growth, which is conducive to ecological restoration;

[0054] Planting blocks 30 are built on the gabion net. The planting blocks 30 are ecological bricks with planting grooves 31 formed thereon. The dimensions of the planting blocks 30 are 25 cm long, 20 cm high and 30 cm wide, and the dimensions of the planting grooves 31 are 21 cm long, 20 cm high and 20 cm wide. The planting grooves 31 are filled with planting bags and green plants or grass seeds.

[0055] A casting hole 32 is also reserved on the planting block 30, the inner diameter of the casting hole 32 is 70 mm, and a reinforcement wire 33 is reserved on the inner wall of the casting hole 32. The reinforcement wire 33 and the planting block 30 are set into an integrated structure (that is, before the planting block 30 is formed, the reinforcement wire 33 is placed at the corresponding position of the casting hole 32, and then the brick is cast and shaped so that the wire is fixed inside the planting block 30);

[0056] A reinforcing rod 34 is installed in the casting hole 32. The dimensions of the reinforcing rod 34 are 55 mm in diameter and 110 cm in length. The reinforcing rod 34 is obliquely inserted into the coarse particle layer 14 at an insertion angle of 30-45° to avoid being inserted into the anchor rod 16 and the channel steel 17.

[0057] A plurality of steps 11 with a width of 45-50 cm can be reserved on the slope of the roadbed 10 to facilitate the maintenance of plants in the later stage; drainage channels 12 with a width of 25-30 cm are also reserved on both sides of the slope of the roadbed 10.

[0058] Before laying the coarse particle layer 14 , the roadbed 10 needs to lay geogrids and anti-filter geotextiles on the foundation as the base layer 13 .

[0059] The road ecological and environmental protection slope construction method specifically includes the following processes:

[0060] S1: Construction Preparation

[0061] Survey the construction area, understand the terrain and geological conditions, clean up the construction site, and remove weeds, tree roots, stones and other debris;

[0062] S2: Foundation wall construction

[0063] A trench is dug at the location of the foundation wall 20 and poured with concrete. The length of the foundation wall 20 is 6.66m (the height of the road slope is 5m, the length of the slope is about 8.33m, and the horizontal length of the slope can be calculated according to the calculation formula Pythagorean theorem), the width is 50-70cm, and it is 20-30cm above the horizon;

[0064] S3: Roadbed construction

[0065] The foundation is compacted to improve the bearing capacity of the foundation, and then geogrids and anti-filter geotextiles are laid in order as the foundation layer 13; channel steels 17 are vertically arranged in rows, inserted into the coarse particle layer 14, and concrete is poured to fix the channel steels 17, and then the coarse particle layer 14 is laid, and the laid coarse particle layer 14 is compacted;

[0066] S4: Installation of reinforcement components

[0067] The second reinforcement plate 110 is fixed to the side wall of the channel steel 17 by welding close to the coarse particle layer 14, and then the geogrid and gabion net are laid in sequence as the reinforcement layer 15. The first reinforcement plate 19 is fixed to the side wall of the channel steel 17 by welding close to the gabion net. The first reinforcement plate 19 and the second reinforcement plate 110 are fixed by bolts, and the two adjacent reinforcement plates 19 are connected by a pull ring 111 using a steel wire rope 112;

[0068] S5: Coarse-grained layers stacked

[0069] Then, the second coarse particle layer 14 is laid, and S3-S4 are repeated until the designed height is reached;

[0070] S6: Horizontal anchor layer construction

[0071] Drill holes horizontally layer by layer using a drilling machine, install anchor rods 16 and pour concrete to fix them. It should be noted that the position of the drilled holes is close to the outer wall of the channel steel 17, so that the anchor rods 16 can be close to the channel steel 17, so that the two are firmly together;

[0072] S7: Slope laying planting blocks

[0073] After the roadbed 10 is constructed, the soil leveling layer 18, the filter soil layer and the gabion net are laid on the slope in order, and the planting blocks 30 are built on the gabion net. The slope is drilled by using a drill rod and a casting hole 32. A reinforcement rod 34 is installed in the casting hole 32 and is fixed by pouring fine sand concrete. The reinforcement rod 34 is obliquely inserted into the coarse particle layer 14 to play an anchoring role, and the planting block 30 is tightly connected to the roadbed 10.

[0074] S8: After all the construction is completed, fill the planting bags and green plants or grass seeds into the planting grooves 31 and perform maintenance in time.

[0075] The channel steel 17 and the coarse particle layer 14 are constructed layer by layer, and each time a layer of the coarse particle layer 14 is laid, the channel steel 17 is inserted for reinforcement.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A road ecological and environmental protection slope system, comprising a roadbed, characterized in that: The roadbed is filled with a coarse particle layer, and the coarse particle layer is filled from bottom to top during the filling process; a reinforcement layer is provided between two adjacent coarse particle layers; a foundation layer is provided on the bottom side of the bottom coarse particle layer; horizontal anchor rods and vertical channel steels are provided on the coarse particle layer; a soil leveling layer is laid on the roadbed slope, an anti-filter soil layer is laid on the soil leveling layer, a gabion net is laid on the anti-filter soil layer, planting blocks are built on the gabion net, planting grooves are provided on the planting blocks, and casting holes are reserved on the planting blocks, and reinforcement rods are installed in the casting holes, and the reinforcement rods are obliquely inserted into the coarse particle layer; A reinforcement line is reserved on the inner wall of the casting hole, and the reinforcement line and the planting block are set into an integrated structure; the reinforcement line is made of a composite material composed of nylon and carbon fiber; A reinforcement component is provided on the reinforcement layer, which is symmetrically arranged on two adjacent channel steel side walls, and includes a reinforcement plate 1 and a reinforcement plate 2; the reinforcement plate 1 is located above the reinforcement layer and is tightly attached to the top of the gabion net; the reinforcement plate 2 is located below the reinforcement layer and is tightly attached to the bottom of the geogrid; the reinforcement plate 1 and the reinforcement plate 2 are fixed by bolts; one side of the reinforcement plate 1 and the reinforcement plate 2 are both fixed to the channel steel side wall, and a pull ring is fixedly connected to the side of the reinforcement plate 1 far from the channel steel, and two adjacent reinforcement plates 1 are connected by wire ropes through the pull rings.

2. A road ecological and environmental protection slope system as claimed in claim 1, characterized in that: The reinforcement layer is composed of geogrid and gabion mesh; the geogrid is closely attached to the top of the coarse particle layer, the gabion mesh is located on the upper side of the geogrid and closely attached to the bottom of the adjacent coarse particle layer, and the gabion mesh is made of metal mesh.

3. A road ecological and environmental protection slope system as claimed in claim 1, characterized in that: The base layer is composed of geogrid and anti-filtration geotextile; the geogrid is laid on the subgrade layer of the roadbed, and the anti-filtration geotextile is laid on top of the geogrid, close to the geogrid.

4. The road ecological and environmental protection slope construction method is characterized by: The specific process includes the following: S1: Construction preparation, survey the construction area, understand the terrain and geological conditions, clean the construction site, remove weeds, tree roots, stones and debris; S2: Foundation wall construction: a trench is dug at the location of the foundation wall and poured with concrete, which is 20-30cm above the ground level; S3: Roadbed construction, compact the foundation to improve the bearing capacity of the foundation, and then lay geogrids and anti-filter geotextiles as the base layer in order; channel steels are arranged vertically in rows, inserted into the coarse particle layer, and concrete is poured to fix the channel steels, and then the coarse particle layer is laid and compacted; S4: Installation of reinforcement components. The second reinforcement plate is fixed to the side wall of the channel steel by welding close to the coarse particle layer. Then the geogrid and gabion mesh are laid in sequence as reinforcement layers. The first reinforcement plate is fixed to the side wall of the channel steel by welding close to the gabion mesh. The first reinforcement plate and the second reinforcement plate are fixed by bolts. Two adjacent reinforcement plates are connected by wire ropes through pull rings. S5: The coarse particle layer is stacked in layers, followed by the second coarse particle layer, and S4 is repeated until the designed height is reached; S6: Horizontal anchor rods are constructed in layers. Holes are drilled horizontally by a drilling machine layer by layer, anchor rods are installed and concrete is poured to fix them. It should be noted that the position of the drilling holes should be close to the outer wall of the channel steel so that the anchor rods can be close to the channel steel, thus making the two firmly together. S7: Planting blocks are laid on the slope. After the roadbed is constructed, the soil leveling layer, filter soil layer and gabion net are laid on the slope in order. Planting blocks are laid on the gabion net. Holes are drilled on the slope using drill rods and casting holes. Reinforcement rods are installed in the casting holes and are fixed by pouring fine sand concrete. The reinforcement rods are obliquely inserted into the coarse particle layer to play an anchoring role, and the planting blocks are tightly connected to the roadbed. S8: After all construction is completed, fill the planting troughs with planting bags and green plants or grass seeds, and carry out maintenance in a timely manner.

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