Reinforced microphone pad ecological protection slope

Abstract

The utility model relates to the technical field of slope protection, in particular to a reinforced microphone pad ecological protection slope which comprises a sealing layer, a backfill soil layer, an anchor net layer, a planting soil layer and a reinforced microphone pad which are sequentially laid from inside to outside along the slope surface of a medium-weathered rock or strong-weathered rock slope, a plurality of grouting anchor rods are arranged along the slope in an array mode, and a plurality of anchor nails are arranged in an array mode. A plurality of drainage pipes are embedded in the side slope and penetrate through a sealing layer, a backfill soil layer, an anchor net layer, a planting soil layer and a reinforced microphone pad from the interior of a side slope soil body, the sealing layer comprises concrete and a reinforcing mesh, the reinforcing mesh is embedded in the concrete, the reinforcing mesh, the anchor net layer and the reinforced microphone pad are connected with grouting anchor rods respectively, and the reinforced microphone pad is connected with anchor nails. The slope is sealed and isolated, rainwater is prevented from entering the rock mass, and slope instability is avoided; water in the side slope is discharged by arranging the drainage pipe, and the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced microphone pad are sequentially laid on the sealing layer, so that green plants can be planted on the side slope, and an ecological protection slope is formed.

Description

Technical Field

[0001] The utility model relates to the technical field of slope protection, in particular to a reinforced Mike pad ecological slope protection. Background Art

[0002] There are two types of engineering slope protection: slope protection and retaining structure protection. Common measures for slope protection include mortar or cement mortar, spraying, sprayed concrete, mortar-laid rubble retaining wall, anchor spraying slope protection, anchor spraying net slope protection, etc. Such measures are mainly used to protect the excavated slope surface from weathering, peeling, and falling of rocks, as well as a small amount of falling rocks. The slope to be protected should have sufficient stability. For unstable slopes, support should be provided first and then protection. There are many types of retaining structures, such as retaining walls, anchor retaining walls, anti-slip piles, etc. These retaining structures have both protective and slope reinforcement functions. The use of engineering measures for slope protection often excessively pursues strength and efficacy, destroys the ecological nature, and has poor landscape effects. Moreover, as time goes by, the concrete surface and mortar-laid rubble surface will weather, age, and even cause damage, resulting in high costs for later remediation.

[0003] The role of using plant communities to stabilize slopes and maintain soil has certain limits. It cannot involve the collapse of deep soil or the sliding of extremely thick soil layers. For high and steep slopes, if engineering measures are not taken, it is difficult for plant growth substrates to attach to the slope surface, and plants cannot grow. Therefore, vegetation slope protection technology must be a combination of plant measures and engineering measures, and the advantages of both should be brought into play to effectively resolve the contradiction between slope engineering protection and ecological environmental damage, ensuring the stability of the slope and achieving rapid recovery of slope vegetation, so as to achieve harmonious coexistence of human activities and the natural environment.

[0004] In southern my country, some moderately weathered and strongly weathered rock slopes become soft easily when exposed to water, causing the slopes to become unstable easily, posing a safety hazard to roads, railways, water diversion projects, rivers and other projects with slopes. Utility Model Content

[0005] The purpose of the utility model is to provide a reinforced Mac mat ecological slope protection to address the problem in the prior art that some moderately weathered rock and strongly weathered rock slopes are easily softened by water, causing slope instability and posing safety hazards.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A reinforced Mac pad ecological slope protection comprises a closed layer, a backfill soil layer, an anchor mesh layer, a planting soil layer and a reinforced Mac pad which are laid in sequence from the inside to the outside along the slope surface of a moderately weathered rock or a strongly weathered rock. A plurality of grouting anchor rods are arranged in an array along the slope, and a plurality of anchor nails are arranged in an array. A plurality of drainage pipes are buried on the slope, and the drainage pipes pass through the closed layer, the backfill soil layer, the anchor mesh layer, the planting soil layer and the reinforced Mac pad in the slope soil body. The closed layer comprises concrete and a steel mesh, and the steel mesh is embedded in the concrete. The steel mesh, the anchor mesh layer and the reinforced Mac pad are respectively connected to the grouting anchor rods, and the reinforced Mac pad is connected to the anchor nails.

[0008] The reinforced Mac pad ecological slope protection described in the utility model is adopted, by setting the closed layer to connect the grouting anchor rod, the grouting anchor rod extends into the slope soil and the closed layer fits the slope, on the one hand, the common load is used to improve the structural strength and anti-deformation rigidity of the slope rock mass, and on the other hand, the slope is isolated to prevent rainwater from infiltrating the rock mass and prevent the slope from becoming unstable; by setting the drainage pipe to discharge the water in the slope, by laying the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced Mac pad on the closed layer in sequence, the slope Green plants can be planted on the slope to form an ecological slope protection. The anchor mesh layer strengthens the anti-scouring ability of the backfill soil. The anchor nails and the grouting anchor rods anchor the anchor mesh layer and the reinforced Mac pad separately or in combination, so that the backfill soil is more stable. The backfill soil is used for vegetation rooting. The reinforced Mac pad can promote the recovery and growth of vegetation and improve the ecological effect of the slope. The pores of the reinforced Mac pad are conducive to the discharge of pore water in the backfill soil, reduce the pore water pressure in the backfill soil, ensure the shear strength of the backfill soil, and are conducive to the stability of the slope.

[0009] As a preferred technical solution of the utility model, an ecological substrate layer is provided between the planting soil layer and the reinforced Mike mat, and the ecological substrate layer includes at least one plant seed.

[0010] As an optimal technical solution of the utility model, the outlet end of the drainage pipe is inclined downward relative to the horizontal plane, a plurality of through holes are provided on the upper part of the pipe body of the drainage pipe in the slope soil, and the pipe body of the drainage pipe in the slope soil is covered with a permeable geotextile.

[0011] As an optimal technical solution of the utility model, a concrete foot guard is provided at the foot of the slope, one side of the foot guard is connected to the closed layer, the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced Mike pad, and the other side of the foot guard is provided with a drainage ditch.

[0012] As an optimal technical solution of the utility model, a hardened top layer is provided on the top of the slope, one side of the hardened top layer is connected to the closed layer, the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced Mac pad, and the other side of the hardened top layer is provided with a drainage ditch.

[0013] As a preferred technical solution of the utility model, the length of the grouting anchor extending into the slope soil is 4m-6m.

[0014] As a preferred technical solution of the utility model, the length of the anchor nail extending into the slope soil is 0.3m-0.4m.

[0015] As a preferred technical solution of the utility model, there is a distance between the steel mesh and the slope surface, a plurality of cushion stones are arranged between the steel mesh and the slope surface, and the concrete of the closed layer is sprayed.

[0016] As a preferred technical solution of the utility model, the reinforced Mac pad at the upstream of the slope is laid on the reinforced Mac pad at the downstream of the slope.

[0017] As a preferred technical solution of the utility model, the anchor mesh layer is a wire mesh.

[0018] As a preferred technical solution of the utility model, the thickness of the sealing layer is 8-15 cm, the thickness of the backfill soil layer is 12-20 cm, and the thickness of the planting soil layer is 12-20 cm.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0020] The utility model discloses a reinforced Mac pad ecological slope protection, which connects the grouting anchor rods by setting the closed layer, the grouting anchor rods extend into the slope soil, and the closed layer fits the slope. On the one hand, the shared load is used to improve the structural strength and anti-deformation rigidity of the slope rock mass, and on the other hand, the slope is isolated to prevent rainwater from penetrating into the rock mass and prevent the slope from becoming unstable. The water in the slope is discharged by setting the drainage pipe, and the backfill soil layer, the anchor net layer, the planting soil layer and the reinforced Mac pad are laid in sequence on the closed layer, so that the slope Green plants can be planted to form ecological slope protection. The anchor mesh layer strengthens the anti-scouring ability of the backfill soil. The anchor nails and the grouting anchor rods anchor the anchor mesh layer and the reinforced Mac pad separately or in combination, so that the backfill soil is more stable. The backfill soil is used for vegetation rooting. The reinforced Mac pad can promote the recovery and growth of vegetation and improve the ecological effect of the slope. The pores of the reinforced Mac pad are conducive to the discharge of pore water in the backfill soil, reduce the pore water pressure in the backfill soil, ensure the shear strength of the backfill soil, and are conducive to the stability of the slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the layout of the reinforced Mac mat ecological slope protection;

[0022] Figure 2 This is a partial enlarged schematic diagram of the reinforced Mac mat ecological slope protection;

[0023] Figure 3 Schematic diagram of the drainage pipe layout.

[0024] Markings in the figure: 1-sealing layer, 2-backfill soil layer, 3-anchor mesh layer, 4-planting soil layer, 5-ecological substrate layer, 6-reinforced Mac pad, 7-grouting anchor rod, 8-anchor nail, 9-drainage pipe, 91-through hole, 92-permeable geotextile, 10-platform, 11-foot guard, 12-drainage ditch, 13-hardened top layer, 14-intercepting ditch. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with test examples and specific implementation methods. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0026] Unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating the orientation or position relationship such as "up", "down", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the invented product / equipment / device is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the present invention or simplifying the description in the specific embodiments, so as to facilitate the technicians to quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.

[0027] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present invention.

[0028] In addition, the expressions “first”, “second”, “third”, etc. that appear in the terms are merely descriptions used to distinguish the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0029] In addition, in the description of the embodiments of the present invention, "several", "plurality" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0030] In addition, in the description of the technical solution of the present invention, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0031] In the related art, some moderately weathered rock and strongly weathered rock slopes tend to become soft when exposed to water, causing the slopes to become unstable, posing a safety hazard to roads, railways, water diversion projects, rivers and other projects with slopes. Figures 1 to 3 To elaborate.

[0032] Example 1

[0033] like Figures 1 to 3 As shown, the reinforced Mac mat ecological slope protection described in the utility model includes a closed layer 1, a backfill soil layer 2, an anchor net layer 3, a planting soil layer 4, an ecological substrate layer 5 and a reinforced Mac mat 6, which are laid in sequence from the inside to the outside along the slope surface of moderately weathered rock or strongly weathered rock, wherein the ecological substrate layer 5 includes at least one plant seed.

[0034] like Figure 1 As shown, a plurality of grouting anchor rods 7 are arranged along the slope array, which can be specifically in a rectangular array or a plum blossom array. The length of the grouting anchor rods 7 extending into the slope soil is 4m-6m, and the diameter of the grouting anchor rods 7 is 20mm-30mm. At the same time, a plurality of anchor nails 8 are arranged along the slope array, which also adopt a rectangular array or a plum blossom array. The length of the anchor nails 8 extending into the slope soil is 0.3m-0.4m, and the diameter of the anchor nails 8 is 5mm-10mm. At least one anchor nail 8 array is arranged in each grouting anchor rod 7 array area.

[0035] like Figure 1 and Figure 3As shown, a plurality of drainage pipes 9 are buried on the slope, and the drainage pipes 9 are arranged in a rectangular array or a plum blossom array. The drainage pipes 9 pass through the closed layer 1, the backfill soil layer 2, the anchor mesh layer 3, the planting soil layer 4 and the reinforced Mac pad 6 in the slope soil body. The outlet end of the drainage pipe 9 is inclined downward relative to the horizontal plane. A plurality of through holes 91 are provided on the upper part of the pipe body of the drainage pipe 9 in the slope soil body. The pipe body of the drainage pipe 9 in the slope soil body is covered with a permeable geotextile 92, and the diameter of the drainage pipe 9 is 100mm-120mm.

[0036] The thickness of the closed layer 1 is 8-15 cm. The closed layer 1 includes concrete and a steel mesh. The steel mesh is embedded in the concrete. There is a gap between the steel mesh and the slope surface. A plurality of pads are arranged between the steel mesh and the slope surface. The concrete of the closed layer 1 is sprayed. The steel mesh, the anchor mesh layer 3 and the reinforced Mike pad 6 are respectively connected to the grouting anchor rod 7. The reinforced Mike pad 6 is connected to the anchor nail 8. Figure 2 The anchor nail 8 shown in the figure can be a J-shaped nail, which hooks and presses the reinforced Mac pad 6 in the reverse direction.

[0037] The thickness of the backfill soil layer 2 is 12-20 cm, the thickness of the planting soil layer 4 is 12-20 cm, and the anchor mesh layer 3 is a steel mesh, specifically a double-twisted hexagonal galvanized steel mesh, and the steel mesh sheets are connected by double-twisted steel wires.

[0038] The reinforced Mac pad 6 at the upstream of the slope is laid on the reinforced Mac pad 6 at the downstream of the slope.

[0039] like Figure 1 As shown, a concrete foot guard 11 is provided at the foot of the slope, one side of the foot guard 11 is connected to the closed layer 1, the backfill soil layer 2, the anchor net layer 3, the planting soil layer 4 and the reinforced Mac pad 6, and a drainage ditch 12 is provided on the other side of the foot guard 11. A hardened top layer 13 is provided at the top of the slope, one side of the hardened top layer 13 is connected to the closed layer 1, the backfill soil layer 2, the anchor net layer 3, the planting soil layer 4 and the reinforced Mac pad 6, and a drainage ditch 14 is provided on the other side of the hardened top layer 13.

[0040] During construction:

[0041] 1. First, carry out slope trimming, use machinery and manual leveling to remove obstacles that may cause the concrete frame to be lifted on the ground, and spray pesticides to inhibit the growth of weeds. After the excavator and other equipment have trimmed the slope, manual slope trimming is also required. The slope surface should be trimmed and compacted, without sliding bodies, creeping bodies and loose rocks.

[0042] For soil slopes, manual repairs are carried out with shovels and pickaxes. The slopes meet the design and construction specifications and are not steeper than the designed slopes. Before construction, the loose soil on the slopes is cleaned and the pits are filled to make the slopes generally flat. The platforms between adjacent slopes must be leveled and compacted, and a certain one-way longitudinal slope must be ensured.

[0043] For stone slopes, after the pre-splitting blasting construction, for the protruding and loose stones on the broken surface, the protruding stones are first cleared with a blasting machine, and then the loose stones are cleared manually.

[0044] Second, the foot guard 11 is constructed between the bottom of the slope and the formed platform 10, a foundation pit for the foot guard 11 is excavated, and the foot guard 11 is cast by formwork.

[0045] 3. Carry out the construction of the grouting anchor rod 7, make an anchor rod positioning bracket, connect the anchor rod 7 to the anchor rod 7, determine the hole position of the grouting anchor rod 7, drill the anchor hole with a drilling rig, clean the anchor hole, install the grouting anchor rod 7 in the anchor hole, pour mortar to seal the hole, the mortar strength is not less than 30Mpa, and after 28d of construction, carry out a pull-out test on the grouting anchor rod 7, and the pull-out force is not less than 50kN.

[0046] 4. The steel mesh, the anchor 8 and the drainage pipe 9 are constructed, and then concrete is sprayed on the slope to form the closed layer 1. Before the steel mesh is installed, the entire working surface is flushed to wet the rock surface to ensure good bonding between the sprayed concrete and the rock. The steel mesh is welded to the grouting anchor 7.

[0047] 5. After the sealing layer 1 is formed, soil is piled up on its surface to form the backfill soil layer 2.

[0048] 6. The anchor net layer 3 is laid on the surface of the backfill soil layer 2, and the anchor net layer 3 is welded and connected to the grouting anchor rods 7, and then the planting soil layer 4 is backfilled and the ecological base material layer 5 is set.

[0049] 7. Planting grass by spraying on the ecological substrate layer 5, spraying grass seeds evenly, and after the grass seeds are catalyzed by the ecological substrate layer 5 to grow, the function of slope protection is achieved, and the slope is greened and beautified at the same time.

[0050] 8. Lay the reinforced Mike pad 6 on the ecological substrate layer 5 , and the reinforced Mike pad 6 is connected to the anchor 8 .

[0051] The reinforced Mac pad ecological slope protection described in this embodiment is provided with the closed layer 1 connected to the grouting anchor rod 7, the grouting anchor rod 7 extends into the slope soil and the closed layer 1 fits the slope, on the one hand, the common load is used to improve the structural strength and anti-deformation stiffness of the slope rock mass, and on the other hand, the slope is isolated to prevent rainwater from penetrating into the rock mass and prevent the slope from becoming unstable; the water in the slope is discharged by the drainage pipe 9, and the backfill soil layer 2, the anchor mesh layer 3, the planting soil layer 4 and the reinforced Mac pad 6 are laid in sequence on the closed layer 1, so that the slope The slope can be planted with green plants to form an ecological slope protection. The anchor mesh layer 3 strengthens the anti-scouring ability of the backfill soil. The anchor nails 8 and the grouting anchor rods 7 anchor the anchor mesh layer 3 and the reinforced Mac pad 6 separately or in combination, so that the backfill soil is more stable. The backfill soil is used for vegetation rooting. The reinforced Mac pad 6 can promote the recovery and growth of vegetation and improve the ecological effect of the slope. The pores of the reinforced Mac pad 6 are conducive to the discharge of pore water in the backfill soil, reduce the pore water pressure in the backfill soil, ensure the shear strength of the backfill soil, and are conducive to the stability of the slope.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A reinforced Mac mat ecological slope protection, characterized in that: The invention comprises a closed layer (1), a backfill soil layer (2), an anchor mesh layer (3), a planting soil layer (4) and a reinforced Mac pad (6) which are laid in sequence from the inside to the outside along the slope surface of a moderately weathered rock or a strongly weathered rock. A plurality of grouting anchor rods (7) are arranged in an array along the slope, and a plurality of anchor nails (8) are arranged in an array. A plurality of drainage pipes (9) are buried on the slope. The drainage pipes (9) pass through the closed layer (1), the backfill soil layer (2), the anchor mesh layer (3), the planting soil layer (4) and the reinforced Mac pad (6) in the slope soil body. The closed layer (1) comprises concrete and a steel mesh. The steel mesh is embedded in the concrete. The steel mesh, the anchor mesh layer (3) and the reinforced Mac pad (6) are respectively connected to the grouting anchor rods (7), and the reinforced Mac pad (6) is connected to the anchor nails (8).

2. The reinforced Mike mat ecological slope protection according to claim 1 is characterized in that: An ecological base material layer (5) is provided between the planting soil layer (4) and the reinforced Mike pad (6).

3. The reinforced Mike mat ecological slope protection according to claim 1 is characterized in that: The outlet end of the drainage pipe (9) is arranged to be tilted downward relative to the horizontal plane, a plurality of through holes (91) are provided on the upper part of the pipe body of the drainage pipe (9) in the slope soil body, and the pipe body of the drainage pipe (9) in the slope soil body is covered with a permeable geotextile (92).

4. The reinforced Mike mat ecological slope protection according to claim 1 is characterized in that: A concrete foot guard (11) is provided at the foot of the slope, one side of the foot guard (11) is connected to the closed layer (1), the backfill soil layer (2), the anchor net layer (3), the planting soil layer (4) and the reinforced Mac pad (6), and the other side of the foot guard (11) is provided with a drainage ditch (12).

5. The reinforced Mike mat ecological slope protection according to claim 1 is characterized in that: A hardened top layer (13) is provided at the top of the slope, one side of the hardened top layer (13) is connected to the closed layer (1), the backfill soil layer (2), the anchor net layer (3), the planting soil layer (4) and the reinforced Mac pad (6), and the other side of the hardened top layer (13) is provided with a drainage ditch (14).

6. The reinforced Mike mat ecological slope protection according to claim 1 is characterized in that: The length of the grouting anchor rod (7) extending into the slope soil is 4m-6m.

7. The reinforced Mac mat ecological slope protection according to claim 1 is characterized in that: There is a distance between the steel mesh and the slope surface, and a plurality of cushion stones are arranged between the steel mesh and the slope surface. The concrete of the closed layer (1) is spray-formed.

8. The reinforced Mac mat ecological slope protection according to claim 1 is characterized in that: The reinforced Mac pad (6) at the upstream of the slope is laid on top of the reinforced Mac pad (6) at the downstream of the slope.

9. The reinforced Mac mat ecological slope protection according to claim 1 is characterized in that: The anchor mesh layer (3) is a steel wire mesh.

10. The reinforced Mac mat ecological slope protection according to any one of claims 1 to 9, characterized in that: The thickness of the sealing layer (1) is 8-15 cm, the thickness of the backfill soil layer (2) is 12-20 cm, and the thickness of the planting soil layer (4) is 12-20 cm.

Images