CN114059567A - Anti-slip system and method for improving slope stability coefficient and sealing cover for sealing field - Google Patents

Abstract

An anti-slip system for improving a slope stability coefficient is arranged between the lower surface of a covering layer and the upper surface of a cushion layer, and comprises a plurality of anti-slip subnets, wherein any anti-slip subnetwork is connected with other anti-slip subnets in an overlapping mode, the anti-slip subnets comprise a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixing mesh, the first layer of mesh, the second layer of mesh and the third layer of mesh are arranged in parallel, the first layer of mesh and the third layer of mesh are respectively arranged on two side surfaces of the second layer of mesh, the soil fixing mesh is arranged between the first layer of mesh and the second layer of mesh, the soil fixing mesh comprises a plurality of wavy mesh wires, the wave crests of the mesh wires are joints of the soil fixing mesh and the first layer of mesh, and the wave troughs of the mesh wires are joints of the soil fixing mesh and the second layer of mesh; the third layer of net is connected with the second layer of net through sewing. Through a plurality of anti-skidding subnets setting after will folding the piece together between overburden and bed course, can improve the cling compound power of overburden to promote side slope stability coefficient.

Description

Anti-slip system and method for improving slope stability coefficient and sealing cover for sealing field

Technical Field

The invention relates to the field of environmental ecology, in particular to an anti-slip system and method for improving a slope stability coefficient and a sealing cover for sealing a field.

Background

The landfill yard sealing is to prevent rain water from entering the pile body, guide and discharge earth surface rainfall to the maximum extent, control percolate and pollution of harmful gas generated by landfill by building the covering structure of the landfill yard, and play roles of erosion resistance of the surface of the pile body and ecological restoration.

In the field sealing process of the landfill, the problem of slope stability is firstly solved. According to the formula of the slope stability safety coefficient, the slope stability safety coefficient is the ratio of the downward sliding force and the anti-sliding force of the weight of the coating on the slope, the higher the ratio is, the higher the safety coefficient is, and the factors influencing the slope stability coefficient are the weight of the upper soil layer, the slope inclination angle and the like.

However, how to improve the slope stability coefficient under the condition that the slope inclination angle and the weight of the overlying soil layer are determined is undoubtedly a problem to be solved by the technical personnel in the field.

Content of application

Object of the application

In view of the above, the invention provides an anti-slip net for improving a slope stability coefficient, so as to solve the problem of improving the slope stability coefficient under the condition that a slope inclination angle and the weight of an overlying soil layer are determined.

(II) technical scheme

The application discloses an antiskid system for improving a slope stability coefficient, wherein the antiskid system is arranged between the lower surface of a covering layer and the upper surface of a cushion layer, the antiskid system comprises a plurality of antiskid subnets, any antiskid subnetwork is connected with other antiskid subnets in a splicing manner, the antiskid subnets comprise a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixing mesh, the first layer of mesh, the second layer of mesh and the third layer of mesh are arranged in parallel, the first layer of mesh and the third layer of mesh are respectively arranged on two side surfaces of the second layer of mesh, the soil fixing mesh is arranged between the first layer of mesh and the second layer of mesh, the soil fixing mesh comprises a plurality of wavy mesh wires, the wave crests of the mesh wires are the joints of the soil fixing mesh and the first layer of mesh, and the wave troughs of the mesh wires are the joints of the soil fixing mesh and the second layer of mesh; the third layer of net and the second layer of net are sewn through nylon threads;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

In one possible embodiment, the cushion layer comprises a gas drainage layer, an impermeable layer and a drainage layer, wherein the gas drainage layer, the impermeable layer and the drainage layer are arranged in an overlapped mode according to a preset sequence; the covering layer comprises a supporting soil layer and a nutrient vegetation layer, the nutrient vegetation layer is arranged on the top of the covering layer, and the supporting soil layer is arranged on the bottom of the covering layer.

In a possible embodiment, the antiskid system further comprises a plurality of detachable connectors, the connectors are arranged at the overlapping and splicing position of the antiskid subnet where any antiskid subnet is spliced with the antiskid subnet, and the connectors are used for buckling and connecting any antiskid subnet and the antiskid subnet spliced with the antiskid subnet.

In a possible implementation manner, the connecting piece includes a first pin, a second pin and a connecting rod, the first pin and the second pin are respectively disposed at an end of the connecting rod and perpendicular to the connecting rod, the first pin and the second pin both include a fixed section and a movable section, one end of the fixed section is fixedly connected to the end of the connecting rod, the other end of the fixed section is connected to the movable section, and the movable section is connected to the fixed section through a rotating shaft so that the movable section rotates around the fixed section according to a preset angle.

In a possible embodiment, the connecting member further comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly is including pressing the handle, works as not exerting the effort and presses the handle, the activity section with the canned paragraph is the right angle according to preset direction, works as exerting the effort and presses the handle, the activity section with the canned paragraph is the straight angle.

As a second aspect of the present application, the present application further discloses an anti-slip method for improving the coefficient of slope stability, wherein an anti-slip system is arranged between the covering layer and the cushion layer, the anti-slip system is arranged between the lower surface of the covering layer and the upper surface of the cushion layer, the anti-slip system comprises a plurality of anti-slip subnets, any one of the anti-slip subnets is connected with the anti-slip subnets connected with the anti-slip subnetwork through splicing, the anti-slip subnets comprise a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixing mesh, the first layer of mesh, the second layer of mesh and the third layer of mesh are arranged in parallel, the first layer of mesh and the third layer of mesh are respectively arranged on two side surfaces of the second layer of mesh, the soil fixing mesh is arranged between the first layer of mesh and the second layer of mesh, the soil fixing mesh comprises a plurality of wavy mesh wires, and the wave crests of the mesh wires are the connection parts of the soil fixing mesh and the first layer of mesh, the wave trough of the net wire is the joint of the soil fixing net and the second layer net; the third layer of net is connected with the second layer of net through sewing;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

In one possible embodiment, the cushion layer comprises a gas drainage guide layer, an impermeable layer and a drainage layer, wherein the impermeable layer is arranged between the drainage guide layer and the drainage layer, the impermeable layer is arranged at the bottom of the cushion layer, and the drainage layer is arranged at the top of the cushion layer; the covering layer comprises a supporting soil layer and a nutrient vegetation layer, the nutrient vegetation layer is arranged on the top of the covering layer, and the supporting soil layer is arranged on the bottom of the covering layer.

In a possible embodiment, the anti-skid system further comprises a plurality of connecting members, the connecting members are arranged at the overlapping position of any anti-skid net and other anti-skid nets, and the connecting members are used for buckling any anti-skid net and other anti-skid nets.

In a possible implementation manner, the connecting piece includes a first pin, a second pin and a connecting rod, the first pin and the second pin are respectively disposed at an end of the connecting rod and are perpendicular to the connecting rod, the first pin and the second pin each include a fixed section and a movable section, one end of the fixed section is fixedly connected with the end of the connecting rod, the other end of the fixed section is connected with the movable section, and the movable section is connected with the fixed section through a rotating shaft so that the movable section rotates around the fixed section according to a preset angle; the connecting piece also comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly comprises a pressing handle, when acting force is not applied to the pressing handle, the movable section and the fixed section are right angles, when acting force is applied to the pressing handle, the movable section and the fixed section are flat angles.

As a third aspect of the present application, there is also disclosed a closure for a landfill closure, comprising an anti-skid system, further comprising a backing layer and a covering layer, the antiskid system is arranged between the lower surface of the covering layer and the upper surface of the cushion layer, the antiskid system comprises a plurality of antiskid subnets, any antiskid subnetwork is connected with the antiskid subnetwork in a splicing way, the anti-skid subnet comprises a first layer of network, a second layer of network, a third layer of network and a soil fixing network, the first layer of network, the second layer of network and the third layer of network are arranged in parallel, the first layer of net and the third layer of net are respectively arranged on two sides of the second layer of net, the soil fixing net is arranged between the first layer of net and the second layer of net, the soil fixing net comprises a plurality of wavy net wires, the wave crests of the net wires are the joints of the soil fixing net and the first layer of net, and the wave troughs of the net wires are the joints of the soil fixing net and the second layer of net; the third layer of net is connected with the second layer of net through sewing;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects: under the condition that the slope inclination angle and the weight of the covering layer are determined, the antiskid subnetworks are laid on the cushion layer and the slope surface, the antiskid subnetworks and the antiskid subnetworks are connected in a splicing mode, then the antiskid subnetworks are fixed relative to the slope surface and the cushion layer, and finally the covering layer covers the spliced antiskid subnetworks. Through setting up a plurality of anti-skidding subnets that link to each other with the concatenation between overburden and bed course and between the overburden and the side slope, can improve the cling compound power of overburden to promote side slope stability coefficient. The anti-skid nets are arranged, so that the anti-skid device is convenient to transport and install; the soil fixing net comprises a plurality of wavy net wires, the wave crest of each net wire is the joint of the soil fixing net and the first layer net, the wave trough of each net wire is the joint of the soil fixing net and the second layer net, so that a composite structure net with better tensile resistance than a single layer can be formed, and the net wires can increase acting force with soil to promote the soil fixing effect and transmit the acting force to the second layer net; the section diameter of the second layer of net grid lines is larger than that of the first layer of net grid lines and that of the third layer of net grid lines, so that the ladder tensile strength is formed; any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid, so that the porosity can be increased under the condition of ensuring the tensile strength.

Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application.

The objectives and other advantages of the present application may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining and illustrating the present application and should not be construed as limiting the scope of the present application.

FIG. 1 is a block diagram of the slider net of the present application;

FIG. 2 is a cross-sectional view of the slider net of the present application;

FIG. 3 is an elevational view of a first anti-slip subnet and a second anti-slip subnet of the present application in an overlapping arrangement;

FIG. 4 is a graph of a first anti-skid subnet and a second anti-skid subnet assembled together according to the present application;

FIG. 5 is a top plan view of a first anti-slip subnet and a second anti-slip subnet of the present application in an overlapping arrangement;

FIG. 6 is a front view of the connector of the present application;

FIG. 7 is a schematic illustration of the present application in position in a landfill closure;

FIG. 8 is a view showing the structure of a net twine manufacturing apparatus;

FIG. 9 is a cross-sectional elevation view of the air directing layer;

FIG. 10 is a right side elevation view in section of the gas directing layer;

in the figure: 1. a first layer of mesh; 2. fixing a soil net; 3. a second layer of mesh; 4. a third layer of mesh; 5, connecting pieces; 6. a first anti-skid sub-network; 7. a second anti-skid sub-network; 8. a conveying section; 9. a heating section; 10. a traction part; 11. an upper layer; 12. a bottom layer; 13. a support member; 501. a connecting rod; 502 a fixed segment; 503. an active segment; 504. the handle is pressed.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the above description of the present invention, it should be noted that the terms "one side", "the other side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

As shown in fig. 1-10, this embodiment provides an anti-slip system for improving slope stability coefficient, where the anti-slip system is disposed between the lower surface of the covering layer and the upper surface of the cushion layer, the anti-slip system includes a plurality of anti-slip subnets, the plurality of anti-slip subnets includes a first anti-slip subnetwork 6 and a second anti-slip subnetwork 7 as shown in the drawing, any one of the anti-slip subnets is connected with other anti-slip subnets by stacking, the anti-slip subnets includes a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixing mesh, the first layer of mesh 1, the second layer of mesh 3 and the third layer of mesh are disposed in parallel with each other, the first layer of mesh and the third layer of mesh are disposed on two side surfaces of the second layer of mesh, the soil fixing mesh 2 is disposed between the first layer of mesh and the second layer of mesh, the soil fixing mesh includes a plurality of wavy mesh wires, and the wave crests of the mesh wires are the connection between the soil fixing mesh and the first layer of mesh, the net wires can be connected with the first layer of net through a winding connection mode or a fixed point connection mode or by adopting sewing which can improve the production efficiency, the wave troughs of the net wires are the connection positions of the soil fixing net and the second layer of net, and the net wires can be connected with the third layer of net through a winding connection mode or a fixed point connection mode or by adopting sewing which can improve the production efficiency; the third layer of net is connected with the second layer of net through sewing.

When the sewing connection capable of improving the production efficiency is adopted, the wave crests and the wave troughs of the net lines are circular arcs, so that the sewing can be facilitated, the problem that the sharp sections are arranged in the wave crests and the wave troughs to cause stress concentration and to cause fracture risks or the sharp sections are arranged in the wave crests and the wave troughs to cause the sharp sections to protrude towards the two outer sides of the anti-sliding net can be avoided, the first layer net and the third layer net collapse towards the second layer net, and the structural stability of the anti-sliding net is reduced. In order to solve the problem of the production process, the present embodiment further provides a device for producing a wavy mesh wire, which includes a conveying part 8, a heating part 9 and a traction part 10, wherein the conveying part conveys the original state of the mesh wire from the conveying part to the heating part, the traction part is used for pulling the mesh wire passing through the heating part out of the heating part, the conveying speed of the conveying part is greater than the traction speed of the traction part, so that the speed of the mesh wire entering the heating part is greater than the speed of the mesh wire exiting the heating part, and the heated state of the mesh wire remaining in the heating part is changed from a straight line shape to a wavy shape, the traction part pulls the wavy net wire out of the heating part, the device can also adjust the height between the wave crest and the wave trough of the wavy net wire, the shape between the wave crest and the wave trough, the distance between the wave crest and the wave crest, the distance between the wave trough and the distance between the wave crest and the wave trough according to the speed difference between the adjusting conveying part and the traction part, the distance between the wave crest and the wave crest, the distance between the wave trough and the distance between the wave crest and the wave trough are adjusted through the speed difference, the stacking density of the wave crest and the wave trough of the wavy net wire is changed, the compressive strength of the anti-skid net is further increased by the supporting points, the contact area and the acting force between the anti-skid net and the covering soil layer are greatly increased, further, the diameter d of the arc of the wave crest or the wave trough is between 1.3mm and 2.0mm, the top end of the soil-fixing net is not easy to protrude from the first layer net and the third layer net, the compressive capacity of the anti-skid net is increased, the thickness of the anti-skid net is ensured, so that the effectiveness of the acting force between the anti-skid net and the covering layer soil body is ensured.

Any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid.

The cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

Under the condition that the slope inclination angle and the weight of the covering layer are determined, the antiskid subnets are laid on the cushion layer, then the antiskid subnets and the antiskid subnets are spliced and fixed, then the spliced antiskid subnets are fixed relative to the slope surface, and then the covering layer covers the spliced antiskid subnets. Through a plurality of anti-skidding subnets setting after will folding the piece together between overburden and bed course, can improve the cling compound power of overburden to promote side slope stability coefficient. The anti-skid nets are arranged, so that the anti-skid device is convenient to transport and install; the soil fixing net comprises a plurality of wavy net wires, the net wires penetrate through the first layer net and the second layer net, the wave crests of the net wires are the joints of the soil fixing net and the first layer net, the wave troughs of the net wires are the joints of the soil fixing net and the second layer net, a composite structure net with better tensile resistance than a single layer can be formed, and the net wires can increase acting force with soil to promote soil fixing effect and transmit the acting force to the second layer net; the section diameter of the second layer of net grid lines is larger than that of the first layer of net grid lines and that of the third layer of net grid lines, so that the ladder tensile strength is formed; any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the second layer of net grid, so that the porosity can be increased under the condition of ensuring the tensile strength.

In this embodiment, the cushion layer includes a gas guiding and draining layer, an impermeable layer and a draining layer, the gas guiding and draining layer, the impermeable layer and the draining layer are overlapped according to a preset sequence, the impermeable layer is arranged between the guiding and draining layer and the draining layer, the gas guiding and draining layer is arranged at the bottom of the cushion layer, and the draining layer is arranged at the top of the cushion layer; the overburden is including supporting soil layer and nutrition vegetable layer, nutrition vegetable layer sets up the overburden top, support the soil layer setting in the overburden bottom, set up anti-skidding system in the drainage blanket top to avoid when a large amount of rainfall, because the overburden is saturated, cause the glide slope to increase, easily take place the slip between nutrition vegetable layer and the support soil layer, lead to the landslide. The gas guide and drainage layer is sealed and buried by adopting a coarse grain material with the grain size of 25-50mm, good guide and drainage performance and corrosion resistance, the permeability coefficient of the gas guide and drainage layer is greater than 0.01cm/s, the thickness of the gas guide and drainage layer is not less than 30cm, the drainage layer slope is sealed and buried by adopting the coarse grain material with the grain size of 25-50mm, and the drainage layer slope is sealed and buried by adopting the coarse grain material with the grain size of 25-50mmLayer side slope adopts geotechnological composite drainage network, the osmotic coefficient of drainage blanket is greater than 0.01cm/s, the thickness on gaseous drainage blanket is not less than 30cm, the drainage blanket links to each other with escape canal all around, and gaseous drainage blanket and drainage blanket play the important role in side slope stability, and when landfill gas guide ability was not enough, the landfill gas can not in time be discharged, and the atmospheric pressure increases under the barrier, leads to the contact force between barrier and the gaseous drainage blanket to reduce, reduces side slope stability, takes place side slope unstability easily, can lead to the closing cap of whole enclosure to be caused the landslide by the jack-up. A gas guide layer is arranged between the bottom of the gas guide and drainage layer and the landfill layer and/or a gas guide layer is arranged between the drainage layer and the impermeable layer, so that the impermeable layer is prevented from being jacked up due to local gas accumulation, and the sealing landslide is prevented from losing efficacy; the air guide layer comprises an upper layer 11, a middle layer and a bottom layer 12, the upper layer and the bottom layer are arranged at a distance of 7-10 mm; the middle layer comprises a plurality of supporting pieces 13, the two ends of each supporting piece are respectively connected with the upper layer and the bottom layer, the supporting pieces are arranged in rows and columns, the row spacing of the supporting pieces is 1.4-1.6mm, the column spacing of the supporting pieces is 0.9-1.1mm, and the upper layer and the bottom layer are both anti-filtration geotextiles. The air guide layer is arranged between the drainage layer and the impermeable layer, so that the water conductivity is 2.25 x 10^-3The square meter per second has the performance 7.5 times better than that of the three-rib composite drainage network, so that rainfall is discharged out of the system as soon as possible, and the landslide risk caused by the supersaturation of a covering soil layer due to a large amount of rainfall is reduced.

In this embodiment, the anti-skid system further includes a plurality of connecting members 5, the connecting members are disposed at the overlapping and splicing positions of any anti-skid net and other anti-skid nets, and the connecting members are used for buckling and connecting any anti-skid net and other anti-skid nets, so that the overlapping and splicing nets are prevented from being separated, and the anti-skid effect is reduced; the connecting piece comprises a first pin, a second pin and a connecting rod 501, the first pin and the second pin are respectively arranged at the end part of the connecting rod and are vertical to the connecting rod, the first pin and the second pin both comprise a fixed section 502 and a movable section 503, one end of the fixed section is fixedly connected with the end part of the connecting rod, the other end of the fixed section is connected with the movable section, the movable section is connected with the fixed section through a rotating shaft to enable the movable section to rotate around the fixed section according to a preset angle, the first pin and the second pin penetrate through grids at the connecting part of the antiskid subnets and other antiskid subnets through overlapping splicing, the movable section of the first pin rotates towards the movable section of the second pin, and the movable section of the second pin rotates beyond the movable section of the first pin, so that the effect of buckling any antiskid subnetwork and other antiskid subnets through overlapping splicing is achieved, the connecting piece also comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly is including pressing the handle, works as not exerting the effort and presses the handle, the activity section with the canned paragraph is the right angle according to preset direction, works as exerting the effort and presses the handle, the activity section with the canned paragraph is the straight angle.

In this embodiment, the second layer of mesh grid is square, and the first layer of mesh grid and the third layer of mesh grid are regular quadrilateral shapes to improve the tensile strength of the anti-skid mesh.

In this embodiment, the first layer net and the third layer net further include a plurality of reinforcing ribs, and the reinforcing ribs are distributed on the first layer net and the third layer net to improve the tensile strength of the first layer net and the third layer net, and further improve the sliding resistance.

In this embodiment, the side length of the grid of the second layer of mesh is 40mm to 70mm, the side length of the grid of the first layer of mesh and the side length of the grid of the third layer of mesh are both 10mm to 16mm, the void ratio is increased under the condition that the tensile strength is ensured, and the optimal configuration of the tensile strength and the void ratio is realized, further, the grids of the first layer of mesh and the third layer of mesh are rectangular, and the length and the width are equal to (1.2cm 1.6 cm). The soil fixing net is not easy to protrude from the meshes of the first layer net and the third layer net, the equivalent effective porosity of the anti-skid net is ensured, the covering soil layer is easier to enter the anti-skid net, and the acting force between the anti-skid net and the upper covering soil is ensured.

In the embodiment, the vertical distance between the wave crest and the wave trough of the soil fixing net is 17mm-20 mm.

In this embodiment, the antiskid net is the rectangle, antiskid net long side length is 30 meters, antiskid net short side length is 2.2 meters, not only makes things convenient for bedding operation and transportation, still is fit for the slope length of general condition.

In this embodiment, the antiskid subnet is provided with the splint that has a plurality of via holes, the splint include first portion and second portion, the first portion and the second portion of splint set up respectively in the lateral surface of first layer net and the lateral surface of third layer net, the splint are the rectangle, the splint set up be close to the minor face tip of antiskid subnet and be on a parallel with antiskid subnet minor face setting, splint press from both sides antiskid subnet tip tightly, can evenly distribute the pulling force of anchor on the net, avoid stress concentration, splint set up in parallel with the minor face and still make things convenient for antiskid subnet package transportation.

In this embodiment, the diameter of the section of the via hole is 8.5mm-9mm, so that the steel bar anchoring piece with the diameter of 8 mm passes through the via hole of the positioning plate.

In this embodiment, the overlapping width of the plurality of sliding resistive nets is 100mm to 150 mm.

As a second aspect of the present application, there is provided a method for improving a slope stability coefficient, wherein an anti-slip system is disposed between the covering layer and the cushion layer, the anti-slip system is disposed between the lower surface of the covering layer and the upper surface of the cushion layer, the anti-slip system includes a plurality of anti-slip subnets, any of the anti-slip subnets is connected to other anti-slip subnets by stacking, splicing, the anti-slip subnets include a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixation mesh, the first layer of mesh, the second layer of mesh and the third layer of mesh are disposed in parallel, the first layer of mesh and the third layer of mesh are disposed on two sides of the second layer of mesh, the soil fixation mesh is disposed between the first layer of mesh and the second layer of mesh, the soil fixation mesh includes a plurality of wavy mesh wires, the wave crests of the mesh wires are joints between the soil fixation mesh wires and the first layer of mesh, and the mesh wires may be connected in a winding manner or fixed point manner or by stitching that may improve production efficiency and the stitching and the mesh wires may be connected to the fixed point The first layer of net is connected, the wave trough of the net wire is the joint of the soil fixing net and the second layer of net, and the net wire can be connected with the third layer of net through a winding connection mode or a fixed point connection mode or through sewing which can improve the production efficiency; the third layer of net is connected with the second layer of net through sewing; anchoring one end of the antiskid subnetwork at the top of the side slope by using a U-shaped nail, so that the antiskid subnetwork is relatively fixed with the side slope, wherein the distance between anchoring points is 1 meter, covering soil after anchoring, and compacting one end of the antiskid subnetwork anchoring by using a small-sized road roller; then the other end of the tensile sub-network is horizontally laid downwards along the side slope, the tensile sub-networks are connected in a splicing manner, and then the splicing position is relatively fixed; finally, spreading and covering 30cm of soil on the antiskid net, compacting according to a preset compaction degree, and spreading the soil from top to bottom in the stacking direction; when the sewing connection capable of improving the production efficiency is adopted, the wave crests and the wave troughs of the net lines are circular arcs, so that the sewing can be facilitated, the problem that the sharp sections are arranged in the wave crests and the wave troughs to cause stress concentration and to cause fracture risks or the sharp sections are arranged in the wave crests and the wave troughs to cause the sharp sections to protrude towards the two outer sides of the anti-sliding net can be avoided, the first layer net and the third layer net collapse towards the second layer net, and the structural stability of the anti-sliding net is reduced. In order to solve the problem of the production process, the present embodiment further provides a method for producing a wavy mesh wire, in which a conveying part conveys the original state of the mesh wire from a conveying part to a heating part, a traction part is used for pulling out the mesh wire passing through the heating part from the heating part, the conveying speed of the conveying part is greater than the traction speed of the traction part, so that the speed of the mesh wire entering the heating part is greater than the speed of the mesh wire exiting the heating part, the heated state of the mesh wire retained in the heating part is changed from a linear state to a wavy state, and the traction part pulls out the wavy mesh wire from the heating part, the device can also adjust the height between the wave crest and the wave trough of the wavy net wire, the shape of the wave crest and the wave trough, the distance between the wave crest and the wave crest, the distance between the wave trough and the wave trough, and the distance between the wave crest and the wave trough, and the distance between the wave trough and the wave trough through the speed difference, and the distance between the wave crest and the wave trough are adjusted through the speed difference, so that the stacking density of the wave crest and the wave trough of the wavy net wire is changed, the compressive strength of the anti-skid net is further improved by increasing the supporting points, the contact area and the acting force between the anti-skid net and the covering soil layer are greatly increased, further, the diameter d of the arc of the wave crest or the wave trough is between 1.3mm and 2.0mm, the top end of the soil fixing net is not easy to protrude from the first layer net and the third layer net, the compressive capacity of the anti-skid net is increased, and the thickness of the anti-skid net is ensured, thereby ensuring the effectiveness of the acting force between the anti-skid net and the covering layer soil body.

Any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid.

The cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

The cushion layer comprises a gas guide and drainage layer, an anti-seepage layer and a drainage layer, wherein the gas guide and drainage layer, the anti-seepage layer and the drainage layer are overlapped according to a preset sequence; the supporting soil layer is arranged at the bottom of the covering layer, the anti-slip system is arranged above the drainage layer, so that the situation that when a large amount of rainfall occurs, the gliding force is increased due to the saturation of the covering layer, the slippage between the nutrition vegetation layer and the supporting soil layer is easy to occur, and the landslide is caused is avoided. The gas guide and drainage layer is buried by adopting a coarse grain material with the grain diameter of 25-50mm, good guide and drainage performance and corrosion resistance, the permeability coefficient of the gas guide and drainage layer is greater than 0.01cm/s, the thickness of the gas guide and drainage layer is not less than 30cm, the slope of the drainage layer is buried by adopting the coarse grain material with the grain diameter of 25-50mm, the side slope of the drainage layer adopts a geotechnical composite drainage network, the permeability coefficient of the drainage layer is greater than 0.01cm/s, the thickness of the gas guide and drainage layer is not less than 30cm, the drainage layer is connected with peripheral drainage ditches, the gas guide and drainage layer plays an important role in the stability of the side slope, and when the gas guide capacity of a landfill is insufficient, the landfill is buriedThe gas can not be discharged in time, and the atmospheric pressure increases under the barrier layer, leads to the barrier layer and leads to the contact force between the layer of arranging to reduce with the gas, reduces side slope stability, and slope unstability takes place easily, can lead to the closing cap of whole sealing to be jack-up and cause the landslide. A gas guide layer is arranged between the bottom of the gas guide and drainage layer and the landfill layer and/or a gas guide layer is arranged between the drainage layer and the impermeable layer, so that the impermeable layer is prevented from being jacked up due to local gas accumulation, and the sealing landslide is prevented from losing efficacy; the air guide layer comprises an upper layer, a middle layer and a bottom layer, the upper layer and the bottom layer are arranged at a distance of 7-10 mm; the middle layer comprises a plurality of supporting pieces, two ends of each supporting piece are respectively connected with the upper layer and the bottom layer, the supporting pieces are arranged in rows and columns, the line spacing of the supporting pieces is 1.4-1.6mm, the column spacing of the supporting pieces is 0.9-1.1mm, and the upper layer and the bottom layer are both anti-filtration geotextiles. The air guide layer is arranged between the drainage layer and the impermeable layer, so that the water conductivity is 2.25 x 10^-3The square meter per second has the performance 7.5 times better than that of the three-rib composite drainage network, so that rainfall is discharged out of the system as soon as possible, and the landslide risk caused by the supersaturation of a covering soil layer due to a large amount of rainfall is reduced.

The anti-skid system also comprises a plurality of connecting pieces, the connecting pieces are arranged at the overlapping and splicing positions of any anti-skid subnet and other anti-skid subnets, and the connecting pieces are used for buckling and connecting any anti-skid subnet and other anti-skid subnets, so that the overlapping and splicing subnets are prevented from being separated, and the anti-skid effect is reduced; the connecting piece comprises a first pin, a second pin and a connecting rod, the first pin and the second pin are respectively arranged at the end part of the connecting rod and are vertical to the connecting rod, the first pin and the second pin respectively comprise a fixed section and a movable section, one end of the fixed section is fixedly connected with the end part of the connecting rod, the other end of the fixed section is connected with the movable section, the movable section is connected with the fixed section through a rotating shaft to enable the movable section to rotate around the fixed section according to a preset angle, the first pin and the second pin penetrate through grids at the connecting part of the antiskid subnets and other antiskid subnets through overlapping splicing, the movable section of the first pin rotates towards the movable section of the second pin, the movable section of the second pin exceeds the movable section of the first pin to rotate, and the effect of buckling any one antiskid subnetwork and other antiskid subnets through overlapping splicing is achieved, the connecting piece also comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly comprises a pressing handle, when acting force is not applied to the pressing handle, the movable section and the fixed section are right angles, when acting force is applied to the pressing handle, the movable section and the fixed section are flat angles.

In this embodiment, the second layer of mesh grid is square, and the first layer of mesh grid and the third layer of mesh grid are regular quadrilateral shapes to improve the tensile strength of the anti-skid mesh.

In this embodiment, the first layer net and the third layer net further include a plurality of reinforcing ribs, and the reinforcing ribs are distributed on the first layer net and the third layer net to improve the tensile strength of the first layer net and the third layer net, and further improve the sliding resistance.

In this embodiment, the side length of the grid of the second layer of mesh is 40mm to 70mm, the side length of the grid of the first layer of mesh and the side length of the grid of the third layer of mesh are both 10mm to 16mm, the void ratio is increased under the condition that the tensile strength is ensured, and the optimal configuration of the tensile strength and the void ratio is realized, further, the grids of the first layer of mesh and the third layer of mesh are rectangular, and the length and the width are equal to (1.2cm 1.6 cm). The soil fixing net is not easy to protrude from the meshes of the first layer net and the third layer net, the equivalent effective porosity of the anti-skid net is ensured, the covering soil layer is easier to enter the anti-skid net, and the acting force between the anti-skid net and the upper covering soil is ensured.

In the embodiment, the vertical distance between the wave crest and the wave trough of the soil fixing net is 17mm-20 mm.

In this embodiment, the second layer net is an extrusion stretching net, the first layer net, the second layer net and the soil fixation net are made of polyethylene terephthalate, and the extrusion stretching net and the polyethylene terephthalate can further improve the tensile strength of the anti-skid net.

In this embodiment, the antiskid net is the rectangle, antiskid net long side length is 30 meters, antiskid net short side length is 2.2 meters, not only makes things convenient for bedding operation and transportation, still is fit for the slope length of general condition.

In this embodiment, the antiskid subnet is provided with the splint that has a plurality of via holes, the splint include first portion and second portion, the first portion and the second portion of splint set up respectively in the lateral surface of first layer net and the lateral surface of third layer net, the splint are the rectangle, the splint set up be close to the minor face tip of antiskid subnet and be on a parallel with antiskid subnet minor face setting, splint press from both sides antiskid subnet tip tightly, can evenly distribute the pulling force of anchor on the net, avoid stress concentration, splint set up in parallel with the minor face and still make things convenient for antiskid subnet package transportation.

In this embodiment, the diameter of the section of the via hole is 8.5mm-9mm, so that the steel bar anchoring piece with the diameter of 8 mm passes through the via hole of the positioning plate.

In this embodiment, the overlapping width of the plurality of sliding resistive nets is 100mm to 150 mm.

The sealing cover for sealing the landfill site comprises an anti-sliding system, a cushion layer and a covering layer, wherein the anti-sliding system is arranged between the lower surface of the covering layer and the upper surface of the cushion layer. The anti-slip system comprises a plurality of anti-slip subnetworks, wherein the plurality of anti-slip subnetworks comprise a first anti-slip subnetwork 6 and a second anti-slip subnetwork 7 as shown in the figure, any one of the anti-slip subnetworks is connected with other anti-slip subnetworks in an overlapping mode, the anti-slip subnetworks comprise a first layer of net, a second layer of net, a third layer of net and a soil fixing net, the first layer of net 1, the second layer of net 3 and the third layer of net 4 are arranged in parallel, the first layer of net and the third layer of net are respectively arranged on two side faces of the second layer of net, the soil fixing net 2 is arranged between the first layer of net and the second layer of net, the soil fixing net comprises a plurality of wavy net wires, the wave crests of the net wires are the connection positions of the soil fixing net and the first layer of net, the net wires can be connected with the first layer of net through a winding mode or a fixed point connection mode or stitching mode capable of improving production efficiency, and the wave troughs of the soil fixing net wires are the connection positions of the soil fixing net and the second layer of net, the net wires can be connected with the third layer of net through a winding connection mode or a fixed point connection mode or by adopting sewing which can improve the production efficiency; the third layer of net is connected with the second layer of net through sewing.

When the sewing connection capable of improving the production efficiency is adopted, the wave crests and the wave troughs of the net lines are circular arcs, so that the sewing can be facilitated, the problem that the sharp sections are arranged in the wave crests and the wave troughs to cause stress concentration and to cause fracture risks or the sharp sections are arranged in the wave crests and the wave troughs to cause the sharp sections to protrude towards the two outer sides of the anti-sliding net can be avoided, the first layer net and the third layer net collapse towards the second layer net, and the structural stability of the anti-sliding net is reduced. In order to solve the problem of the production process, the present embodiment further provides a device for producing a wavy mesh wire, which includes a conveying part 8, a heating part 9 and a traction part 10, wherein the conveying part conveys the original state of the mesh wire from the conveying part to the heating part, the traction part is used for pulling the mesh wire passing through the heating part out of the heating part, the conveying speed of the conveying part is greater than the traction speed of the traction part, so that the speed of the mesh wire entering the heating part is greater than the speed of the mesh wire exiting the heating part, and the heated state of the mesh wire remaining in the heating part is changed from a straight line shape to a wavy shape, the traction part pulls the wavy net wire out of the heating part, the device can also adjust the height between the wave crest and the wave trough of the wavy net wire, the shape between the wave crest and the wave trough, the distance between the wave crest and the wave crest, the distance between the wave trough and the distance between the wave crest and the wave trough according to the speed difference between the adjusting conveying part and the traction part, the distance between the wave crest and the wave crest, the distance between the wave trough and the distance between the wave crest and the wave trough are adjusted through the speed difference, the stacking density of the wave crest and the wave trough of the wavy net wire is changed, the compressive strength of the anti-skid net is further increased by the supporting points, the contact area and the acting force between the anti-skid net and the covering soil layer are greatly increased, further, the diameter d of the arc of the wave crest or the wave trough is between 1.3mm and 2.0mm, the top end of the soil-fixing net is not easy to protrude from the first layer net and the third layer net, the compressive capacity of the anti-skid net is increased, the thickness of the anti-skid net is ensured, so that the effectiveness of the acting force between the anti-skid net and the covering layer soil body is ensured.

Any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid.

The cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

Under the condition that the slope inclination angle and the weight of the covering layer are determined, the antiskid subnets are laid on the cushion layer, then the antiskid subnets and the antiskid subnets are spliced and fixed, then the spliced antiskid subnets are fixed relative to the slope surface, and then the covering layer covers the spliced antiskid subnets. Through a plurality of anti-skidding subnets setting after will folding the piece together between overburden and bed course, can improve the cling compound power of overburden to promote side slope stability coefficient. The anti-skid nets are arranged, so that the anti-skid device is convenient to transport and install; the soil fixing net comprises a plurality of wavy net wires, the net wires penetrate through the first layer net and the second layer net, the wave crests of the net wires are the joints of the soil fixing net and the first layer net, the wave troughs of the net wires are the joints of the soil fixing net and the second layer net, a composite structure net with better tensile resistance than a single layer can be formed, and the net wires can increase acting force with soil to promote soil fixing effect and transmit the acting force to the second layer net; the section diameter of the second layer of net grid lines is larger than that of the first layer of net grid lines and that of the third layer of net grid lines, so that the ladder tensile strength is formed; any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the second layer of net grid, so that the porosity can be increased under the condition of ensuring the tensile strength.

In this embodiment, the cushion layer includes a gas guiding and draining layer, an impermeable layer, and a drainage layer, the gas guiding and draining layer, the impermeable layer, and the drainage layer are overlapped in a predetermined order, and the impermeable layer is disposed on the guiding and draining layer and the drainage layerThe gas guide and drainage layer is arranged at the bottom of the cushion layer, and the drainage layer is arranged at the top of the cushion layer; the overburden is including supporting soil layer and nutrition vegetable layer, nutrition vegetable layer sets up the overburden top, support the soil layer setting in the overburden bottom, set up anti-skidding system in the drainage blanket top to avoid when a large amount of rainfall, because the overburden is saturated, cause the glide slope to increase, easily take place the slip between nutrition vegetable layer and the support soil layer, lead to the landslide. The gas guide and drainage layer is buried by adopting a coarse grain material with the grain diameter of 25-50mm, good guide and drainage performance and corrosion resistance, the permeability coefficient of the gas guide and drainage layer is more than 0.01cm/s, the thickness of the gas guide and drainage layer is not less than 30cm, the drainage layer slope is buried by adopting the coarse grain material with the grain diameter of 25-50mm, the drainage layer side slope adopts a soil engineering composite drainage network, the permeability coefficient of the drainage layer is more than 0.01cm/s, the thickness of the gas guide and drainage layer is not less than 30cm, the drainage layer is connected with surrounding drainage ditches, the gas guide and drainage layer and the drainage layer play an important role in side slope stability, when the gas guide capacity of a landfill site is insufficient, landfill gas cannot be discharged in time, the gas pressure under the impermeable layer is increased, so that the contact force between the impermeable layer and the gas guide and drainage layer is reduced, the side slope stability is reduced, and the side slope instability is easy to occur, which can cause the entire field closure to be lifted causing a landslide. A gas guide layer is arranged between the bottom of the gas guide and drainage layer and the landfill layer and/or a gas guide layer is arranged between the drainage layer and the impermeable layer, so that the impermeable layer is prevented from being jacked up due to local gas accumulation, and the sealing landslide is prevented from losing efficacy; the air guide layer comprises an upper layer 11, a middle layer and a bottom layer 12, the upper layer and the bottom layer are arranged at a distance of 7-10 mm; the middle layer comprises a plurality of supporting pieces 13, the two ends of each supporting piece are respectively connected with the upper layer and the bottom layer, the supporting pieces are arranged in rows and columns, the row spacing of the supporting pieces is 1.4-1.6mm, the column spacing of the supporting pieces is 0.9-1.1mm, and the upper layer and the bottom layer are both anti-filtration geotextiles. The air guide layer is arranged between the drainage layer and the impermeable layer, so that the water conductivity is 2.25 x 10^-3The square meter per second has the performance 7.5 times better than that of the three-rib composite drainage network, so that rainfall is discharged from the system as soon as possible, and the phenomenon that the covering soil layer passes through due to a large amount of rainfall is reducedThe risk of landslide due to saturation.

In this embodiment, the anti-skid system further includes a plurality of connecting members 5, the connecting members are disposed at the overlapping and splicing positions of any anti-skid net and other anti-skid nets, and the connecting members are used for buckling and connecting any anti-skid net and other anti-skid nets, so that the overlapping and splicing nets are prevented from being separated, and the anti-skid effect is reduced; the connecting piece comprises a first pin, a second pin and a connecting rod 501, the first pin and the second pin are respectively arranged at the end part of the connecting rod and are vertical to the connecting rod, the first pin and the second pin both comprise a fixed section 502 and a movable section 503, one end of the fixed section is fixedly connected with the end part of the connecting rod, the other end of the fixed section is connected with the movable section, the movable section is connected with the fixed section through a rotating shaft to enable the movable section to rotate around the fixed section according to a preset angle, the first pin and the second pin penetrate through grids at the connecting part of the antiskid subnets and other antiskid subnets through overlapping splicing, the movable section of the first pin rotates towards the movable section of the second pin, and the movable section of the second pin rotates beyond the movable section of the first pin, so that the effect of buckling any antiskid subnetwork and other antiskid subnets through overlapping splicing is achieved, the connecting piece also comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly is including pressing the handle, works as not exerting the effort and presses the handle, the activity section with the canned paragraph is the right angle according to preset direction, works as exerting the effort and presses the handle, the activity section with the canned paragraph is the straight angle.

In this embodiment, the second layer of mesh grid is square, and the first layer of mesh grid and the third layer of mesh grid are regular quadrilateral shapes to improve the tensile strength of the anti-skid mesh.

In this embodiment, the first layer net and the third layer net further include a plurality of reinforcing ribs, and the reinforcing ribs are distributed on the first layer net and the third layer net to improve the tensile strength of the first layer net and the third layer net, and further improve the sliding resistance.

In this embodiment, the side length of the grid of the second layer of mesh is 40mm to 70mm, the side length of the grid of the first layer of mesh and the side length of the grid of the third layer of mesh are both 10mm to 16mm, the void ratio is increased under the condition that the tensile strength is ensured, and the optimal configuration of the tensile strength and the void ratio is realized, further, the grids of the first layer of mesh and the third layer of mesh are rectangular, and the length and the width are equal to (1.2cm 1.6 cm). The soil fixing net is not easy to protrude from the meshes of the first layer net and the third layer net, the equivalent effective porosity of the anti-skid net is ensured, the covering soil layer is easier to enter the anti-skid net, and the acting force between the anti-skid net and the upper covering soil is ensured.

In the embodiment, the vertical distance between the wave crest and the wave trough of the soil fixing net is 17mm-20 mm.

In this embodiment, the antiskid net is the rectangle, antiskid net long side length is 30 meters, antiskid net short side length is 2.2 meters, not only makes things convenient for bedding operation and transportation, still is fit for the slope length of general condition.

In this embodiment, the antiskid subnet is provided with the splint that has a plurality of via holes, the splint include first portion and second portion, the first portion and the second portion of splint set up respectively in the lateral surface of first layer net and the lateral surface of third layer net, the splint are the rectangle, the splint set up be close to the minor face tip of antiskid subnet and be on a parallel with antiskid subnet minor face setting, splint press from both sides antiskid subnet tip tightly, can evenly distribute the pulling force of anchor on the net, avoid stress concentration, splint set up in parallel with the minor face and still make things convenient for antiskid subnet package transportation.

In this embodiment, the diameter of the section of the via hole is 8.5mm-9mm, so that the steel bar anchoring piece with the diameter of 8 mm passes through the via hole of the positioning plate.

Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or substituted without departing from the spirit and scope of the technical solutions of the present application, and all that should be covered by the claims of the present application.

Claims (10)

1. An anti-skid system for improving the stability coefficient of a side slope is characterized in that the anti-skid system is arranged between the lower surface of a covering layer and the upper surface of a cushion layer, the antiskid system comprises a plurality of antiskid subnetworks, any antiskid subnetwork is connected with the antiskid subnetwork through overlapping, the anti-skid subnet comprises a first layer of network, a second layer of network, a third layer of network and a soil fixing network, the first layer of network, the second layer of network and the third layer of network are arranged in parallel, the first layer of net and the third layer of net are respectively arranged on two sides of the second layer of net, the soil fixing net is arranged between the first layer of net and the second layer of net, the soil fixing net comprises a plurality of wavy net wires, the wave crests of the net wires are the joints of the soil fixing net and the first layer of net, and the wave troughs of the net wires are the joints of the soil fixing net and the second layer of net; the third layer of net is connected with the second layer of net through sewing;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

2. The anti-slip system for improving slope stability factor according to claim 1, wherein the cushion layer comprises a gas guiding and draining layer, an impermeable layer and a draining layer, and the gas guiding and draining layer, the impermeable layer and the draining layer are overlapped in a preset order; the covering layer comprises a supporting soil layer and a nutrient vegetation layer, the nutrient vegetation layer is arranged on the top of the covering layer, and the supporting soil layer is arranged on the bottom of the covering layer.

3. The anti-slip system for improving slope stability factor according to claim 1 or 2, further comprising a plurality of detachable connectors, wherein the connectors are disposed at the overlapping position of the anti-slip net and the anti-slip net to which the anti-slip net is connected, and the connectors are used for buckling the anti-slip net and the anti-slip net connected therewith.

4. The anti-slip system for improving slope stability coefficient of claim 3, wherein the connecting member comprises a first pin, a second pin and a connecting rod, the first pin and the second pin are respectively disposed at an end of the connecting rod and perpendicular to the connecting rod, the first pin and the second pin each comprise a fixed section and a movable section, one end of the fixed section is fixedly connected with the end of the connecting rod, the other end of the fixed section is connected with the movable section, and the movable section is connected with the fixed section through a rotating shaft to enable the movable section to rotate around the fixed section according to a preset angle.

5. The anti-slip system for improving slope stability factor of claim 4 wherein said connecting member further comprises a control member for controlling rotation of said movable section, said control member controlling rotation of said movable section; the control assembly is including pressing the handle, works as not exerting the effort and presses the handle, the activity section with the canned paragraph is the right angle according to preset direction, works as exerting the effort and presses the handle, the activity section with the canned paragraph is the straight angle.

6. An anti-slip method for improving the stability coefficient of a side slope is characterized in that an anti-slip system is arranged between a covering layer and a cushion layer, the antiskid system is arranged between the lower surface of the covering layer and the upper surface of the cushion layer, the antiskid system comprises a plurality of antiskid subnets, any antiskid subnetwork is connected with the antiskid subnetwork in a splicing way, the anti-skid subnet comprises a first layer of network, a second layer of network, a third layer of network and a soil fixing network, the first layer of network, the second layer of network and the third layer of network are arranged in parallel, the first layer of net and the third layer of net are respectively arranged on two sides of the second layer of net, the soil fixing net is arranged between the first layer of net and the second layer of net, the soil fixing net comprises a plurality of wavy net wires, the wave crests of the net wires are the joints of the soil fixing net and the first layer of net, and the wave troughs of the net wires are the joints of the soil fixing net and the second layer of net; the third layer of net is connected with the second layer of net through sewing;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

7. The anti-slip method for improving the stability coefficient of the side slope according to claim 6, wherein the cushion layer comprises a gas guiding and draining layer, an impermeable layer and a draining layer, the impermeable layer is arranged between the guiding and draining layer and the draining layer, the impermeable layer is arranged at the bottom of the cushion layer, and the draining layer is arranged at the top of the cushion layer; the covering layer comprises a supporting soil layer and a nutrient vegetation layer, the nutrient vegetation layer is arranged on the top of the covering layer, and the supporting soil layer is arranged on the bottom of the covering layer.

8. The anti-slip method for improving slope stability factor according to claim 6 or 7, wherein the anti-slip system further comprises a plurality of connectors, the connectors are disposed at the overlapping position of the any anti-slip subnetwork and the other anti-slip subnetwork, and the connectors are used for connecting the any anti-slip subnetwork and the other anti-slip subnetwork.

9. The anti-slip method for improving the coefficient of slope stability according to claim 8, wherein the connecting member comprises a first pin, a second pin and a connecting rod, the first pin and the second pin are respectively disposed at an end of the connecting rod and perpendicular to the connecting rod, the first pin and the second pin each comprise a fixed section and a movable section, one end of the fixed section is fixedly connected to the end of the connecting rod, the other end of the fixed section is connected to the movable section, and the movable section is connected to the fixed section through a rotating shaft so that the movable section rotates around the fixed section according to a preset angle; the connecting piece also comprises a control component for controlling the rotation of the movable section, and the control component controls the rotation of the movable section; the control assembly comprises a pressing handle, when acting force is not applied to the pressing handle, the movable section and the fixed section are right angles, when acting force is applied to the pressing handle, the movable section and the fixed section are flat angles.

10. A sealing cover for sealing a landfill site, which comprises the anti-slip system for improving the slope stability coefficient as claimed in any one of claims 1 to 5, further comprising a cushion layer and a cover layer, wherein the anti-slip system is arranged between the lower surface of the cover layer and the upper surface of the cushion layer, the anti-slip system comprises a plurality of anti-slip subnets, any one of the anti-slip subnets is connected with the anti-slip subnetwork through overlapping, the anti-slip subnets comprise a first layer of mesh, a second layer of mesh, a third layer of mesh and a soil fixing mesh, the first layer of mesh, the second layer of mesh and the third layer of mesh are arranged in parallel, the first layer of mesh and the third layer of mesh are respectively arranged on two side surfaces of the second layer of mesh, the soil fixing mesh is arranged between the first layer of mesh and the second layer of mesh, the soil fixing mesh comprises a plurality of wavy mesh wires, and the wave crests of the mesh wires are the connection positions of the soil fixing mesh and the first layer of mesh, the wave trough of the net wire is the joint of the soil fixing net and the second layer net; the third layer of net is connected with the second layer of net through sewing;

any side length of the second layer of net grid is larger than any side length of the first layer of net grid and any side length of the third layer of net grid;

the cross-sectional diameter of the second layer of mesh lines is larger than that of the first layer of mesh lines, and the cross-sectional diameter of the second layer of mesh lines is larger than that of the third layer of mesh lines.

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