Composite reinforced slope

Abstract

The invention provides a combined type reinforced side slope which comprises a side slope body, a control device and a plurality of water content testers. A plurality of layers of reinforced geogrids are laid in the side slope body. Each layer of reinforced geogrid comprises a plurality of grid longitudinal bars and a plurality of grid transverse bars, the upper portion of a reinforced drainage layer body of each grid longitudinal bar is a drainage channel formed by a plurality of drainage units which are sequentially connected in a linear mode, and each drainage unit is in a love heart shape. The center tail ends and the center tip ends of any two adjacent drainage units in the multiple drainage units are connected through water blocking valves, and each drainage unit gradually inclines downwards from the center tail end to the center tip end. Directional and effective drainage of water flow in the side slope is achieved through the drainage channels and the water blocking valves arranged on the grating longitudinal bars, the side slope has the reinforcement function and meanwhile has the good drainage performance, and therefore the stability and durability of the side slope are improved, and the risk of landslide is reduced.

Description

Technical Field

[0001] The invention relates to a composite reinforced slope and belongs to the technical field of civil engineering. Background Art

[0002] There are many natural and artificial slopes widely distributed in nature. As one of the most common engineering geological environments, if they are not properly reinforced or protected, they are very likely to cause landslides, posing a serious threat to people’s lives and property. In order to avoid slope instability, it is necessary to reduce the effect of water on the slope while reinforcing it.

[0003] Geogrid is a major geosynthetic material. Compared with other geosynthetics, it has unique properties and functions. It is often used as reinforcement for reinforced soil structures or reinforcement for composite materials. Geogrids are divided into four categories: plastic geogrids, steel-plastic geogrids, glass fiber geogrids, and polyester warp-knitted polyester geogrids. The grid is a two-dimensional grid or a three-dimensional grid screen with a certain height made of high molecular polymers such as polypropylene and polyvinyl chloride through thermoplasticization or molding. When used in civil engineering, it is called geogrid. Geogrids mainly play a reinforcing role in slopes, which can improve the tensile and shear strength of slope soil, effectively change the properties of slope soil, adjust the uneven deformation of slopes, and improve the stability of slopes.

[0004] At present, geogrids in reinforced composite slopes generally only have a reinforcement function but cannot drain the moisture in the slope in time.

[0005] Therefore, the inventors proposed this application to solve the above problems. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides a composite reinforced slope, which improves the slope by arranging a reinforced geogrid with both directional drainage and reinforcement functions, so that the slope has good drainage performance while having a reinforcement effect, thereby improving the stability and durability of the slope and reducing the risk of landslides.

[0007] In order to solve the above technical problems, the present invention provides a composite reinforced slope, including a slope body and a control device, wherein multiple layers of reinforced geogrids are laid in the slope body, each layer of reinforced geogrid is provided with a permeable pipe group for collecting the water discharged therefrom, a water content measuring instrument is provided in the slope body between two adjacent layers of reinforced geogrids, the control device is electrically connected to each reinforced geogrid, and the control device is electrically connected to each water content measuring instrument;

[0008] Each layer of the reinforced geogrid includes a plurality of grid longitudinal bars and a plurality of grid transverse bars, and the plurality of grid longitudinal bars and the plurality of grid transverse bars are interwoven vertically and horizontally;

[0009] Each of the grid longitudinal ribs is provided with a first anti-seepage reverse filter layer, a reinforced drainage layer, an insulating layer, and a second anti-seepage reverse filter layer in order from top to bottom, the first anti-seepage reverse filter layer and the second anti-seepage reverse filter layer are both conductive, and the control device is electrically connected to the first anti-seepage reverse filter layer and the second anti-seepage reverse filter layer;

[0010] Each of the reinforced drainage layers comprises a reinforced drainage layer body, the upper part of each reinforced drainage layer body is a drainage channel formed by a plurality of drainage units connected in sequence in a straight line, each drainage unit is in the shape of a heart, the tail end and the tip end of any two adjacent drainage units in the plurality of drainage units are connected by a water blocking valve, each drainage unit gradually slopes downward from the tail end to the tip end, each drainage channel starts from the tail end of the corresponding drainage unit, and each drainage channel ends at the tip end of the corresponding drainage unit;

[0011] Each of the drainage units is divided into a first drainage channel, a second drainage channel, and a third drainage channel that are interconnected by two water dividing strips, and the three drainage channels of each drainage unit have the same width;

[0012] The material of each water blocking valve is a conductive elastic material, the control device is electrically connected to each water blocking valve, each water blocking valve includes a water blocking valve body and a convex block arranged on the upper part of the corresponding water blocking valve body, and each convex block is located above the core tip of the corresponding drainage unit;

[0013] The water flow of each drainage channel flows from an end starting at the rear end of the corresponding drainage unit to an end ending at the tip end of the corresponding drainage unit.

[0014] Preferably, a conductive strip is provided at the bottom of the drainage channel, each water blocking valve is in contact with the conductive strip, and the control device is electrically connected to the conductive strip via a wire.

[0015] Preferably, the first anti-seepage reverse filtration layer and the second anti-seepage reverse filtration layer are both conductive anti-seepage reverse filtration geotextiles.

[0016] Preferably, the drainage channels of the multiple grid longitudinal bars of each layer of the reinforced geogrid are evenly arranged at both ends of the corresponding reinforced geogrid starting from the core and tail ends of the drainage units.

[0017] Preferably, each permeable pipe group is provided with two permeable pipes, and the two ends of each layer of the reinforced geogrid are respectively wound around the corresponding permeable pipes, and the permeable pipes are perpendicular to the corresponding grid longitudinal reinforcements.

[0018] Preferably, the drainage channels of the multiple grid longitudinal bars of each layer of the reinforced geogrid are arranged at the same end of the corresponding reinforced geogrid starting from the core and tail ends of the drainage units.

[0019] Preferably, the end of each layer of the reinforced geogrid ending with the core tip of the drainage unit is wound around the corresponding permeable pipe, and the permeable pipe is perpendicular to the corresponding grid longitudinal reinforcement.

[0020] Preferably, the reinforced drainage layer body is made of polypropylene or polyvinyl chloride.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the longitudinal ribs of the reinforced geogrid of the present invention are sequentially provided with a first anti-seepage filter layer, a reinforced drainage layer, an insulating layer, and a second anti-seepage filter layer from top to bottom; the first anti-seepage filter layer and the second anti-seepage filter layer are both conductive; the reinforced drainage layer is provided with a drainage channel formed by a series of heart-shaped drainage units; the tail end and the tip end of any two adjacent drainage units in the plurality of drainage units are connected by a water intercepting valve; each drainage unit gradually tilts downward from the tail end to the tip end; each of the drainage units is divided into first interconnected units by two water dividing strips; The drainage channel, the second drainage channel, and the third drainage channel, the width of the three drainage channels of each drainage unit is consistent, and the water intercepting valve is conductive. The control device of the present invention can control whether the first anti-seepage filter layer, the reinforced drainage layer and the second anti-seepage filter layer of each grid longitudinal reinforcement of the reinforced geogrid of the corresponding layer are charged, the amount of charge, and the type of charge according to the moisture content monitored by the moisture content meter, so as to realize the directional and effective discharge of moisture in the slope body, so that the slope has good drainage performance while having a reinforcement effect, thereby improving the stability and durability of the slope and reducing the risk of landslides. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the composite reinforced slope structure of the present invention.

[0023] Figure 2 It is a side sectional view of the composite reinforced slope of the present invention.

[0024] Figure 3 This is a schematic diagram of the reinforced drainage layer structure of the present invention.

[0025] Figure 4 This is a top view of the reinforced drainage layer described in the present invention.

[0026] Figure 5 This is a schematic diagram of the reinforced geogrid structure of the invention.

[0027] Figure 6 This is a cross-sectional view of the longitudinal ribs of the grille according to the present invention.

[0028] Figure 7 It is a cross-sectional view of the longitudinal ribs of the grille according to the present invention.

[0029] Figure 8 It is a schematic diagram of the structure of the water intercepting valve of the present invention. DETAILED DESCRIPTION

[0030] The present invention will be described in detail below in conjunction with the embodiments and drawings. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0031] refer to Figure 1 to Figure 2 A composite reinforced slope comprises a slope body 6 and a control device 1, wherein multiple layers of reinforced geogrids 2 are laid in the slope body 6, each layer of reinforced geogrid 2 is provided with a permeable pipe group for collecting the water discharged therefrom, each permeable pipe group is arranged in the slope body 6, the permeable pipe group collects the water discharged from the corresponding reinforced geogrid 2 and then discharges it from the slope body 6, a moisture content measuring instrument 3 is arranged in the slope body 6 between two adjacent layers of reinforced geogrids 2, the moisture content measuring instrument 3 is used to monitor the moisture content in the slope body 6 between the two adjacent layers of reinforced geogrids 2, so that the control device 1 can control the reinforced geogrid 2 of the corresponding layer according to the moisture content monitored by the corresponding moisture content measuring instrument 3, the control device 1 is electrically connected to each layer of reinforced geogrid 2 through a wire 5, the control device 1 is electrically connected to each moisture content measuring instrument 3 through a wire 5, and the control device 1 controls the electrification of the reinforced geogrid 2 of the corresponding layer according to the moisture content monitored by the moisture content measuring instrument 3;

[0032] refer to Figure 5 Each layer of the reinforced geogrid 2 includes a plurality of grid longitudinal ribs 21 and a plurality of grid transverse ribs 22, and the plurality of grid longitudinal ribs 21 and the plurality of grid transverse ribs 22 are interlaced vertically and horizontally. The present invention does not make any improvements to the grid transverse ribs 22, and the material of each grid transverse rib 22 is polypropylene or polyvinyl chloride;

[0033] refer to Figure 3 , Figure 4 , Figure 6 and Figure 7 , each of the grid longitudinal ribs 21 is sequentially provided with a first anti-seepage filter layer 2011, a reinforced drainage layer 202, an insulating layer 205, and a second anti-seepage filter layer 2012 from top to bottom, the first anti-seepage filter layer 2011 and the second anti-seepage filter layer 2012 are both conductive, the control device 1 is electrically connected to the first anti-seepage filter layer 2011 and the second anti-seepage filter layer 2012 through a wire 5, the control device 1 can control whether the first anti-seepage filter layer 2011, the reinforced drainage layer 202 and the second anti-seepage filter layer 2012 are charged and what kind of charge they carry according to the moisture content monitored by the moisture content measuring instrument 3, and the insulating layer 205 adopts any insulating coating to isolate the charges of the reinforced drainage layer 202 and the second anti-seepage filter layer 2012;

[0034] Each of the reinforced drainage layers 202 comprises a reinforced drainage layer body, the upper part of each reinforced drainage layer body is a drainage channel formed by a plurality of drainage units connected in sequence in a straight line, each drainage unit is in the shape of a heart, the tail end and the tip end of any two adjacent drainage units in the plurality of drainage units are connected by a water blocking valve 204, each drainage unit gradually slopes downward from the tail end to the tip end, each drainage channel starts from the tail end of the corresponding drainage unit, and each drainage channel ends at the tip end of the corresponding drainage unit; each of the drainage units is divided into a first drainage channel 2031, a second drainage channel 2032, and a third drainage channel 2033 which are interconnected by two water dividing strips 207, and the width of the three drainage channels of each drainage unit is consistent;

[0035] The material of each water intercepting valve 204 is a conductive elastic material. The control device 1 is electrically connected to each water intercepting valve 204. The control device 1 controls the corresponding water intercepting valve 204 to be electrically compressed according to the moisture content monitored by the corresponding moisture content measuring instrument 3. Figure 8 Each water blocking valve 204 includes a water blocking valve body and a convex block 2041 disposed on the upper part of the corresponding water blocking valve body, each of the convex blocks 2041 is located above the tip of the corresponding drainage unit, and a hydraulic jump phenomenon may occur when the water flow is lower than a first preset value;

[0036] The water flow of each drainage channel flows from one end starting from the tail end of the corresponding drainage unit to one end ending at the tip end of the corresponding drainage unit, thereby realizing directional discharge of the water flow.

[0037] Preferably, a conductive strip 206 is provided at the bottom of the drainage channel, each water blocking valve 204 is in contact with the conductive strip 206, the control device 1 is electrically connected to the conductive strip 206 via a wire 5, each water blocking valve 204 is in contact with the conductive strip 206, each water blocking valve 204 is electrically connected to the control device 1 via the conductive strip 206, the control device 1 controls whether the corresponding water blocking valve 204 is charged and compressed according to the moisture content monitored by the corresponding moisture content measuring instrument 3, and controls the degree of compression of the water blocking valve 204 by controlling the amount of charge.

[0038] refer to Figure 7, the moisture content measuring instrument 3 sends the monitored moisture content to the control device 1, and the control device 1 compares the moisture content monitored by the moisture content measuring instrument 3 with the first preset value and the second preset value respectively. The first preset value is less than the second preset value. If the moisture content monitored by the moisture content measuring instrument 3 is less than or equal to the first preset value, the control device 1 controls the first anti-seepage filter layer 2011, the conductive strip 206, and the water-blocking valve 204 of each grid longitudinal reinforcement of the reinforced geogrid 2 of the corresponding layer to carry the same charge. Under the action of the electric field force, the water-blocking valve 204 is compressed. By adjusting the charge amount of the conductive strip 204 and the corresponding water-blocking valve 204, the corresponding water-blocking valve 204 can produce different compression amounts until it can be A hydraulic jump phenomenon is generated. Under the action of gravity and the hydraulic jump phenomenon, the water flows from the tail end of the drainage unit to the tip end of the drainage unit, and then flows to the tail end of the next drainage unit until it is collected in the corresponding permeable pipe group. The water flows from one end starting from the tail end of the corresponding drainage unit to the end ending at the tip end of the corresponding drainage unit in the drainage channel, realizing the directional flow of water; if the moisture content monitored by the moisture content measuring instrument 3 is between the first preset value and the second preset value, the first anti-seepage filter layer 2011, the conductive strip 206, the water blocking valve 204, and the second anti-seepage filter layer 2012 of each grid longitudinal reinforcement of the reinforced geogrid 2 of the corresponding layer are not charged. If at the beginning, the water flow direction is IV- When the water flows from the IV section to the II-II section, when the water flows converge at the II section, the water in the first drainage channel 2031 and the third drainage channel 2033 flows into the second drainage channel 2032 and is opposite to the water flow direction of the second drainage channel 2032. Because the widths of the first drainage channel 2031, the second drainage channel 2032, and the third drainage channel 2033 are the same, the sum of the water volume of the first drainage channel 2031 and the third drainage channel 2033 is greater than the water volume of the second drainage channel 2032. At this time, the water flows from the II section to the IV-IV section through the second drainage channel 2032, and the water flows from the tail end of the drainage unit to the tip end of the drainage unit, and then flows to the tail end of the next drainage unit. end, until it is collected to the corresponding permeable pipe group. If at the beginning, the water flow direction is from the II-II section to the IV-IV section, when the water flow converges at the II section, the water flow directions of the first drainage channel 2031, the second drainage channel 2032, and the third drainage channel 2033 are the same, and the water flows from the II-II section to the IV-IV section. By using the Tesla valve principle, the water flows from the tail end of the drainage unit to the tip end of the drainage unit, and then flows to the tail end of the next drainage unit until it is collected to the corresponding permeable pipe group. The water flows from one end starting from the tail end of the corresponding drainage unit to one end ending at the tip end of the corresponding drainage unit in the drainage channel, thereby realizing the directional flow of water.If the moisture content monitored by the moisture content measuring instrument 3 is greater than or equal to the second preset value, the control device 1 controls the first anti-seepage filter layer 2011 of each grid longitudinal rib 21 of the reinforced geogrid 2 of the corresponding layer to be negatively charged, and the second anti-seepage filter layer 2012 to be positively charged. The water in the slope body moves toward the negative charge direction under the action of the electric field and then enters the drainage channel of the corresponding grid longitudinal rib 21. Using the Tesla valve principle, the water flows from the II-II section to the IV-IV section. The water flows from the end starting from the tail end of the corresponding drainage unit to the end ending with the tip end of the corresponding drainage unit in the drainage channel, and then is discharged through the corresponding permeable pipe group, thus realizing the directional flow of water. ;

[0039] In the present invention, the control device 1 can control whether the first anti-seepage filter layer 2011, the reinforced drainage layer 202 and the second anti-seepage filter layer 2012 of each grid longitudinal reinforcement 21 of the reinforced geogrid 2 of the corresponding layer are charged, the amount of charge and the type of charge according to the moisture content monitored by the moisture content measuring instrument 3, so as to achieve the directional and effective discharge of moisture in the slope body 6, so that the slope has good drainage performance while having a reinforcement effect, thereby improving the stability and durability of the slope and reducing the risk of landslides.

[0040] Optionally, the first anti-seepage reverse filter layer 2011 and the second anti-seepage reverse filter layer 2012 are both conductive anti-seepage reverse filter geotextiles, which can allow water to penetrate while preventing soil particles from penetrating.

[0041] Optionally, the water flow directions of the drainage channels of the multiple grid longitudinal bars 21 of each layer of the reinforced geogrid 2 are inconsistent.

[0042] Optionally, two permeable pipes 4 are provided in each permeable pipe group, and the other end of each layer of the reinforced geogrid 2 is respectively wound around the corresponding permeable pipe 4, and the permeable pipe 4 is perpendicular to the corresponding grid longitudinal reinforcement 21. The water collected by each layer of the reinforced geogrid 2 can be drained through the two permeable pipes 4.

[0043] Preferably, the water flow directions of the drainage channels of the multiple grid longitudinal ribs 21 of each layer of the reinforced geogrid 2 are consistent.

[0044] Preferably, each group of permeable pipes is provided with a permeable pipe 4, and the end of each layer of the reinforced geogrid 21, which is close to the drainage channel and ends with the tail of the drainage unit, is wound around the corresponding permeable pipe 4, and the permeable pipe 4 is perpendicular to the corresponding grid longitudinal ribs 21, and the water collected by the multiple grid longitudinal ribs 21 is discharged through the permeable pipe 4.

[0045] Optionally, the reinforced drainage layer body is made of polypropylene or polyvinyl chloride.

[0046] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions and substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. A composite reinforced slope, characterized in that: It comprises a slope body and a control device, wherein multiple layers of reinforced geogrids are laid in the slope body, each layer of reinforced geogrid is provided with a permeable pipe group for collecting the water discharged therefrom, a water content measuring instrument is provided in the slope body between two adjacent layers of reinforced geogrids, the control device is electrically connected to each reinforced geogrid, and the control device is electrically connected to each water content measuring instrument; Each layer of the reinforced geogrid includes a plurality of grid longitudinal bars and a plurality of grid transverse bars, and the plurality of grid longitudinal bars and the plurality of grid transverse bars are interwoven vertically and horizontally; Each of the grid longitudinal ribs is provided with a first anti-seepage reverse filter layer, a reinforced drainage layer, an insulating layer, and a second anti-seepage reverse filter layer in order from top to bottom, the first anti-seepage reverse filter layer and the second anti-seepage reverse filter layer are both conductive, and the control device is electrically connected to the first anti-seepage reverse filter layer and the second anti-seepage reverse filter layer; Each of the reinforced drainage layers comprises a reinforced drainage layer body, the upper part of each reinforced drainage layer body is a drainage channel formed by a plurality of drainage units connected in sequence in a straight line, each drainage unit is in the shape of a heart, the tail end and the tip end of any two adjacent drainage units in the plurality of drainage units are connected by a water blocking valve, each drainage unit gradually slopes downward from the tail end to the tip end, each drainage channel starts from the tail end of the corresponding drainage unit, and each drainage channel ends at the tip end of the corresponding drainage unit; Each of the drainage units is divided into a first drainage channel, a second drainage channel, and a third drainage channel that are interconnected by two water dividing strips, and the three drainage channels of each drainage unit have the same width; The material of each water blocking valve is a conductive elastic material, the control device is electrically connected to each water blocking valve, each water blocking valve comprises a water blocking valve body and a convex block arranged on the upper part of the corresponding water blocking valve body, and each convex block is located above the core tip of the corresponding drainage unit; The water flow of each drainage channel flows from an end starting at the rear end of the corresponding drainage unit to an end ending at the tip end of the corresponding drainage unit.

2. The composite reinforced slope according to claim 1, characterized in that: A conductive strip is arranged at the bottom of the drainage channel, each water blocking valve is in contact with the conductive strip, and the control device is electrically connected to the conductive strip via a wire.

3. The composite reinforced slope according to claim 2, characterized in that: The first anti-seepage reverse filter layer and the second anti-seepage reverse filter layer are both conductive anti-seepage reverse filter geotextiles.

4. The composite reinforced slope according to claim 3, characterized in that: The drainage channels of the multiple grid longitudinal bars of each layer of the reinforced geogrid are evenly arranged at the two ends of the corresponding reinforced geogrid starting from the core end of the drainage unit.

5. The composite reinforced slope according to claim 4, characterized in that: Each permeable pipe group is provided with two permeable pipes, and the two ends of each layer of the reinforced geogrid are respectively wound around the corresponding permeable pipes, and the permeable pipes are perpendicular to the corresponding grid longitudinal reinforcement.

6. The composite reinforced slope according to claim 3, characterized in that: The drainage channels of the multiple grid longitudinal bars of each layer of the reinforced geogrid are arranged at the same end of the corresponding reinforced geogrid starting from the core end of the drainage unit.

7. The composite reinforced slope according to claim 6, characterized in that: Each permeable pipe group is provided with a permeable pipe, and the end of each layer of the reinforced geogrid ending with the central tip of the drainage unit is wound around the corresponding permeable pipe, and the permeable pipe is perpendicular to the corresponding grid longitudinal reinforcement.

8. The composite reinforced slope according to claim 5 or 7, characterized in that: The reinforced drainage layer body is made of polypropylene or polyvinyl chloride.

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