Ecological protection device for side slope containing easily-weathered rocks

Abstract

The utility model discloses an ecological protection device for a side slope containing easily-weathered rocks, which comprises a side slope body, a plurality of lattice beams are poured on the side slope body, anchor rods are arranged at the connection positions of vertex angles of adjacent lattice beams, the anchor rods are embedded into the side slope body, hooks are fixed on the inner sides of the lattice beams, and ecological bags are built in the lattice beams. The ecological bag is covered with a net piece, and the edge of the net piece is hung on the hook and detachably connected with the hook 5. The meshes are fixed to the hook hanging pieces of the lattice beams, the stability of the ecological bags is improved, a detachable device composed of the meshes and the hook hanging pieces facilitates maintenance and replacement of ecological bag vegetation in the lattice beams in the later period, the side slope maintenance cost is reduced, the double effects of reinforcing side slope rock-soil bodies and greening ecology are achieved, and the side slope protection effect is improved. The slope protection structure belongs to green ecological protection, is wide in application range, can be applied to sandy soil, soil slopes and the like with steep rock slope ratios, and particularly has remarkable advantages in slope protection of easily-weathered rock slopes.

Description

Technical Field

[0001] The utility model belongs to the technical field of slope rock protection, and in particular relates to an ecological protection device for a weatherable rock slope. Background Art

[0002] The use of green ecological slope protection for rock slopes has become a development trend in rock slope protection design. At present, the ecological protection of rock slopes mainly adopts the forms of covering with plain soil and planting grass, hanging three-dimensional grass nets, etc., but the grass net has poor adhesion to the rock surface, the slope covering soil is easy to slip along the rock surface, and the greening effect is poor.

[0003] Therefore, it is necessary to use vegetation bags for slope ecological restoration. For example, the patent application text with publication number CN206110147U "A Slope Vegetation Bag Ecological Protection Structure" (publication date March 5, 2008) discloses a slope vegetation bag ecological protection structure, in which vegetation bags are laid in a unit formed by four adjacent anchor holes, and the vegetation bags are filled with planting soil. Although the above technical solution can achieve the purpose of slope greening, the additional connection ports at the corners of the vegetation bags increase the tension on the bag body, making the bag body easy to break. Once a rupture or collapse occurs, the entire slope mesh needs to be dismantled and replaced with a new vegetation bag, which causes a huge waste of manpower and economic costs, and there are certain safety hazards. Utility Model Content

[0004] The purpose of the utility model is to provide an ecological protection device for easily weathered rock slopes, which solves the problems of the prior art that when the ecological bags on the rock slope surface are damaged and collapsed, the slope nets and ecological bags are not easy to disassemble and replace, and the slope stability is poor due to the collapse.

[0005] The technical solution adopted by the utility model is that the ecological protection device for the weatherable rock slope includes a slope body, lattice beams are cast on the slope body, there are a plurality of lattice beams 1, anchor rods 2 are arranged at the connecting positions of the top angles of adjacent lattice beams 1, the anchor rods 2 are embedded in the slope body 6, hooks 5 are fixed on the inner sides of the lattice beams 1, ecological bags 3 are built inside the lattice beams 1, mesh sheets 4 are covered on the ecological bags 3, the edges of the mesh sheets 4 are hung on the hooks 5, and a detachable connection is formed with the hooks 5.

[0006] The utility model is also characterized in that:

[0007] The lattice beams 1 are arranged at equal intervals along the slope surface of the slope body 6 in the horizontal direction and the vertical direction.

[0008] The eco-bags 3 stacked in the lattice beam 1 are close to the slope, and vertical seams are formed between two adjacent eco-bags 3 in each row. The vertical seams of two adjacent rows of eco-bags 3 need to be staggered, and the depth of the eco-bags 3 in the lattice beam 1 is 20-30 cm.

[0009] The material of the eco-bag 3 is polypropylene or polyester fiber.

[0010] Anchor holes are provided on the slope surface of the slope body 6, and the anchor rods 2 are inserted into the anchor holes and grouting, tensioning, locking and anchor head sealing are performed.

[0011] The mesh 4 is a galvanized steel wire mesh, including low-carbon galvanized steel wire or galvanized plastic-coated wire, and the mesh 4 is a double-twisted hexagonal steel wire mesh.

[0012] The distance between the axes of two consecutive twisted steel wires in the mesh 4 is D, where the value of D is the average value of ten consecutive grids when determining the tolerance.

[0013] The hook 5 is embedded in the inner side of the lattice beam 1 by pre-embedding. Specifically, the hook 5 is tied together with the steel bars of the lattice beam 1, and then concrete is poured to form an integral structure.

[0014] The hook 5 is embedded into the inner side of the lattice beam 1 by a later reinforcing bar insertion method, specifically, holes are punched and glue is injected on the completed lattice beam 1, and then the hook is inserted to fix it.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model provides an ecological protection device for easily weathered rock slopes, which adopts the method of manually stacking ecological bags and completely seals the exposed slope rock and soil in the lattice beam, thereby minimizing the damage of the slope rock and soil to surface water weathering and frost heave, solving the problem of easily weathered and falling rock slopes, and reducing the need to clean up the slopes in the later stage.

[0017] 2. The utility model contains an ecological protection device for easily weathered rock slopes, in which artificial grass planting in ecological bags realizes the rapid and long-term growth of plants, solves the problem that the rock slope surface is easily weathered and difficult to green, realizes the function of shielding artificial reinforcement traces, improving the environmental landscape, and quickly greening the slope surface, thus ensuring the sustainability of slope greening protection.

[0018] 3. The utility model contains an ecological protection device for easily weathered rock slopes, in which the mesh is fixed on the hook hanger of the lattice beam, which improves the stability of the ecological bag. The detachable device composed of the mesh and the hook hanger is convenient for the later maintenance and replacement of the vegetation in the ecological bag in the lattice beam, reducing the cost of slope maintenance.

[0019] 4. The utility model contains an ecological protection device for easily weathered rock slopes, which achieves the dual functions of reinforcing the rock and soil of the slope and greening the ecology. The utility model belongs to green ecological protection and has a wide range of applications. It can be used in sandy soil and soil slopes with steep rock slopes, etc., especially in the protection of easily weathered rock slopes. In actual engineering, it has a strong prospect for promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the ecological protection device for the weatherable rock slope of the utility model;

[0021] Figure 2 It is a schematic plan view of the ecological protection device for the weatherable rock slope of the utility model;

[0022] Figure 3 This is a schematic diagram of the mechanical flanging of a wire mesh used in an ecological protection device for a slope containing easily weathered rock;

[0023] Figure 4 The utility model is a schematic diagram of the mesh of the wire mesh of the ecological protection device for the easily weathered rock slope.

[0024] In the figure, 1. lattice beam, 2. anchor rod, 3. eco-bag, 4. mesh, 41. edge steel wire, 42. mesh steel wire, 43. binding steel wire, 5. hook, 6. slope body. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] The utility model provides an ecological protection device for a weatherable rock slope, which is composed of a slope body 6, an ecological bag 3, an anchor rod 2, a lattice beam 1, a hook 5 and a mesh 4 to form a complete protection system, which can form continuous support for the entire slope, play a hoop role on the surface rock and soil, improve the stress state of the slope, limit the deformation and damage of the rock and soil, give full play to the self-stabilizing ability of the slope, and realize its active protection function.

[0027] Example 1

[0028] like Figure 1 As shown, the ecological protection device for the weatherable rock slope includes a slope body 6, on which lattice beams 1 are cast, and there are several lattice beams 1. Anchor rods 2 are arranged at the connecting positions of the top angles of adjacent lattice beams 1, and the anchor rods 2 are embedded in the slope body 6. Hooks 5 are fixed on the inner sides of the lattice beams 1, and eco-bags 3 are built inside the lattice beams 1. The eco-bags 3 are covered with mesh sheets 4, and the edges of the mesh sheets 4 are hung on the hooks 5 to form a detachable connection with the hooks 5. The installation operation is simple, which is convenient for the later maintenance and replacement of the eco-bags and the maintenance of vegetation. The arrangement of the mesh sheets 4 increases the self-stability of the eco-bags, and can prevent the eco-bags 3 from sliding down and collapsing.

[0029] like Figure 2As shown, the lattice beams 1 are arranged at equal intervals in the horizontal and vertical directions along the slope surface of the slope body 6. The eco-bags 3 stacked on the lattice beams 1 are close to the slope surface. Vertical seams are formed between two adjacent eco-bags 3 in each row. The vertical seams of two adjacent rows of eco-bags 3 need to be staggered to avoid vertical seams. If there are gaps, they need to be filled and compacted with soil. The depth of the eco-bags 3 in the lattice beams 1 is 20-30 cm. Its main purpose is to fully seal the exposed slope surface and minimize the damage of the rock and soil to surface water weathering.

[0030] The material of the eco-bag 3 is polypropylene or polyester fiber, which is corrosion-resistant, resistant to microbial decomposition, UV-resistant, and has a long service life. The grass seeds in the eco-bag 3 are a mixture of grass seeds and shrub species. In the early stage, lawn protection is mainly used, and in the later stage, shrub protection is mainly used. The performance of the eco-bag 3 that is water-permeable but not soil-permeable after being filled with soil ensures that the moisture in the eco-bag 3 can be normally exchanged and infiltrated between the bag body and the slope body, avoiding the loss of soil and nutrients filled in the eco-bag 3, thereby achieving rapid growth of plants, improving vegetation coverage and survival rate, and achieving the sustainability of slope greening protection.

[0031] The mesh 4 is a galvanized steel wire mesh, including low-carbon galvanized steel wire or galvanized plastic-coated wire, which has the characteristics of high strength, corrosion resistance, oxidation resistance, and ductility. The mesh 4 can be customized on site according to the actual size of the lattice beam 1, and has the characteristics of simple process and easy operation. Figure 3 As shown, the mesh 4 is a double-twisted hexagonal steel wire mesh, which is composed of edge steel wires 41, mesh surface steel wires 42 and binding steel wires 43, wherein the binding steel wires 43 are spirally wound on the edge steel wires 41. Figure 4 As shown, the distance between the axes of two consecutive twisted steel wires is D, where D is the average value of ten consecutive grids when determining the tolerance. For the convenience of measurement, the twisted steel wire passing through the axis can be measured, and its distance is equal to the distance D between the axes of two consecutive twisted steel wires.

[0032] The following table shows the specific parameters of mesh 4:

[0033] Table 1 is the mesh model parameters

[0034] Mesh Model D(mm) tolerance Mesh wire 8×10 80 +16％ / -4％ 2.7 / 3.7

[0035] Table 2 is the technical parameters of mesh steel wire

[0036]

[0037] Table 3 is the technical parameters of mesh plastic coating

[0038] index Mesh wire Edge wire Tie wire color 2.7 3.4 2.0 Specific gravity (g / mm) 3.7 4.4 3.0 Shore A Hardness 0.06 0.07 0.05

[0039] Example 2

[0040] The specific construction steps of the ecological protection device for the weathered rock slope of the utility model are as follows:

[0041] Step 1: excavate the slope body 6 from top to bottom in stages according to the designed slope rate, and clean the slope surface to make it flat;

[0042] Step 2: Position the slope surface, locate the position of the anchor cable, drill holes of the required size, clean the holes, place the anchor rod 2, and perform grouting in the holes;

[0043] Step 3: perform steel bar binding and concrete pouring of the lattice beam 1. After the concrete reaches 75% of the design strength, tension and lock the anchor rod 2 and seal the anchor head.

[0044] Step 4: Fix the hook 5 to the inner side of the lattice beam 1. The hook 5 can be made of steel bars. There are two fixing methods, which have the characteristics of flexible construction.

[0045] One is the pre-embedded type, in which the hook 5 is tied together with the steel bars of the lattice beam 1, and concrete is poured to form an integral structure; the other is the late reinforcement type, in which holes are drilled, glue is injected, and the hook 5 is inserted on the completed lattice beam 1;

[0046] Step 5: Fill the eco-bag 3 with nutrient soil and plant species suitable for local growth, stack them into the frame of the lattice beam 1 and fill them tightly;

[0047] Step 6: According to the actual size of the lattice beam 1, cut or customize the mesh 4 of the corresponding size, and each lattice beam 1 corresponds to a mesh 4, so as to facilitate later disassembly and replacement;

[0048] Step 7: Cover the mesh 4 on the surface of the eco-bag 3 , and hook the edge of the mesh 4 on the hook 5 on the inner side of the lattice beam 1 , so that the mesh 4 and the hook 5 form a detachable connection.

[0049] Example 3

[0050] The steps for disassembling and reinstalling the ecological protection device for the weathered rock slope of the utility model are as follows:

[0051] Disassembly steps: determine the part of the eco-bag 3 that needs to be replaced and the range that needs to be disassembled, stretch the edge of the mesh 4 and remove it from the hook 5 to complete the partial disassembly;

[0052] Reinstallation steps: After replacing the target eco-bag 3, cover the surface of the eco-bag 3 with the mesh 4 again, and hook the edge of the mesh 4 on the hook 5 on the inner side of the lattice beam 1, tension the loosened part, hook the edge of the mesh 4 on the hook 5 on the inner side of the lattice beam 1, so that the mesh 4 and the hook 5 form a detachable connection, and the reinstallation is completed.

Claims

1. An ecological protection device for a weatherable rock slope, characterized in that: The invention comprises a slope body (6), on which a lattice beam (1) is cast, wherein the lattice beam (1) is a plurality of lattice beams (1), anchor rods (2) are arranged at the connecting positions of the top angles of adjacent lattice beams (1), wherein the anchor rods (2) are embedded in the slope body (6), a curved hook (5) is fixed on the inner side of the lattice beam (1), an ecological bag (3) is built inside the lattice beam (1), a mesh sheet (4) is covered on the ecological bag (3), and the edge of the mesh sheet (4) is hung on the curved hook (5) to form a detachable connection with the curved hook (5).

2. The ecological protection device for weatherable rock slopes according to claim 1 is characterized in that: The lattice beams (1) are arranged at equal intervals in the horizontal direction and the vertical direction along the slope surface of the slope body (6).

3. The ecological protection device for weatherable rock slopes according to claim 2 is characterized in that: The eco-bags (3) stacked in the lattice beam (1) are closely attached to the slope surface, vertical seams are formed between two adjacent eco-bags (3) in each row, the vertical seams of the eco-bags (3) in two adjacent rows need to be staggered, and the depth of the eco-bags (3) in the lattice beam (1) is 20-30 cm.

4. The ecological protection device for weatherable rock slopes according to claim 3 is characterized in that: The material of the ecological bag (3) is polypropylene or polyester fiber.

5. The ecological protection device for weatherable rock slopes according to claim 1, characterized in that: An anchor hole is opened on the slope surface of the slope body (6), and the anchor rod (2) is inserted into the anchor hole and grouting, tensioning, locking and anchor head sealing are performed.

6. The ecological protection device for weatherable rock slopes according to claim 1, characterized in that: The mesh (4) is a galvanized steel wire mesh, including low-carbon galvanized steel wire or galvanized plastic-coated wire, and the mesh (4) is a double-twisted hexagonal steel wire mesh.

7. The ecological protection device for weatherable rock slopes according to claim 6, characterized in that: The distance between the axes of two consecutive twisted steel wires in the mesh (4) is D, wherein the value of D is the average value of ten consecutive grids when determining the tolerance.

8. The ecological protection device for weatherable rock slopes according to claim 1, characterized in that: The hook (5) is embedded in the inner side of the lattice beam (1) by pre-embedding, specifically, the hook (5) is tied together with the steel bars of the lattice beam (1), and then concrete is poured to form an integral structure.

9. The ecological protection device for weatherable rock slopes according to claim 1, characterized in that: The hook (5) is embedded into the inner side of the lattice beam (1) by a later reinforcement insertion method, specifically, holes are punched and glue is injected on the completed lattice beam (1), and then the hook is inserted to fix it.

Images