CN117211250A - Novel composite geotechnical net with strong diversion capacity - Google Patents
Novel composite geotechnical net with strong diversion capacity Download PDFInfo
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- CN117211250A CN117211250A CN202311127572.1A CN202311127572A CN117211250A CN 117211250 A CN117211250 A CN 117211250A CN 202311127572 A CN202311127572 A CN 202311127572A CN 117211250 A CN117211250 A CN 117211250A
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- 239000002131 composite material Substances 0.000 title claims abstract description 83
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 239000004746 geotextile Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002689 soil Substances 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Abstract
The invention discloses a novel composite geotechnical net with strong flow conductivity, which comprises a net core and two geotechnical cloths respectively bonded on two sides of the net core, wherein the net core comprises two chessboard structures and a plurality of upright posts with a height, the upright posts are arranged between the two chessboard structures to form a vertical flow channel vertical to the chessboard structures and a parallel flow channel parallel to the chessboard structures, and the vertical flow channel is communicated with the parallel flow channel. Compared with the prior art, the novel composite geotechnical net with strong flow conductivity has the advantages that geotechnical cloth is embedded into the net core flow guide channel and the flow conductivity is achieved in any direction parallel to the direction of the chessboard structure in the upright column gaps of the net core, the flow conductivity effect of the composite geotechnical net is improved, and the application range of the composite geotechnical net is expanded.
Description
Technical Field
The invention relates to the technical field of geosynthetics, in particular to a novel composite geotechnical net with strong flow conductivity.
Background
The composite geotechnical net is generally composed of net core double-sided adhesive geotechnical cloth with a three-dimensional structure, and has the function of replacing the traditional coarse-grained soil layers (such as gravel layers, gravel layers and the like), and has the drainage function in the fields of roadbeds, tunnels, reservoirs, landfill sites and the like, as well as civil engineering and municipal engineering and the like.
The traditional composite geotechnical net comprises a double-rib composite geotechnical net and a three-rib composite geotechnical net, wherein the net core of the double-rib composite geotechnical net is formed by stacking and adhering upper and lower layers of vertically and horizontally arranged ribs, and the net core of the three-rib composite geotechnical net is formed by alternately stacking and adhering upper, middle and lower layers of ribs at intervals. In the laying plane of the double-rib composite geotechnical net and the three-rib composite geotechnical net, drainage guide grooves can be formed between each layer of ribs of the net core, and the drainage guide grooves have stronger drainage capacity in the parallel rib arrangement direction, but the drainage capacity of the composite geotechnical net is almost zero due to the barrier effect of the ribs in the vertical rib arrangement direction.
Therefore, how to provide a composite geotechnical network to achieve the technical effect of improving the diversion capability is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the problem of unsatisfactory drainage effect in the prior art, the technical problem to be solved by the invention is to provide a composite geotechnical network which has the technical effect of improving the diversion capacity.
In order to achieve the above object, the present invention provides a novel composite geotechnical network with strong flow conductivity, the composite geotechnical network comprises a network core and two geotechnical cloths respectively bonded on two sides of the network core, the network core comprises: the two chessboard structures are correspondingly adhered to the two chessboard structures, each chessboard structure comprises a plurality of first ribs and a plurality of second ribs, the first ribs are distributed at intervals in parallel in a first direction, the second ribs are distributed at intervals in parallel in a second direction, and the first direction and the second direction are two crossed directions; the upright posts are provided with a height and are arranged between the two chessboard structures so as to form vertical circulation channels perpendicular to the chessboard structures between the two chessboard structures through the heights of the upright posts, the upright posts form parallel circulation channels parallel to the chessboard structures in the arrangement direction between the two chessboard structures, and the vertical circulation channels are communicated with the parallel circulation channels; each chessboard structure is provided with connecting parts which are matched with the number of the upright posts, two ends of each upright post are fixedly connected with the corresponding connecting parts of the two chessboard structures, and the distance between the two ends of each upright post forms the height of the upright post.
In the first aspect, the connecting portion is provided at an intersection point where any one of the first ribs and a corresponding one of the second ribs intersect.
In a first aspect, the first direction and the second direction are perpendicular to each other.
In a first aspect, the first ribs and the second ribs are integrally formed to constitute the checkerboard structure, the first ribs and the second ribs constituting the checkerboard structure being in the same plane.
In a first aspect, the first and second ribs are made of a high density polyethylene material.
In a first aspect, the posts are made of a high density polyethylene material.
In the first aspect, the fixed connection between the two ends of the upright post and the corresponding connection parts of the two chessboard structures is bonding or integral molding.
In the first aspect, the thickness of the first rib and the second rib is 1.5 mm-3 mm, the diameter of the upright post is matched with the width of the first rib and the second rib, and the height of the upright post is 7 mm-24 mm.
In a first aspect, the geotextile is made of polyester fiber or polypropylene fiber, the geotextile has a gauge of 50g/m 2 ～600g/m 2 。
In a first aspect, the composite geonet is applied in a landfill cover structure for a non-wet area landfill.
The beneficial effects are that:
the composite geotechnical net comprises a net core and two geotechnical cloths which are respectively adhered to the two sides of the net core, wherein the geotechnical cloths have the functions of separating sediment, reverse filtration and capillary retardation; the net core comprises two chessboard structures, two geotextiles are correspondingly adhered to the two chessboard structures, and the chessboard structures can be considered to be regular net structures through the distribution of the plurality of first ribs and the plurality of second ribs and can support the geotextiles; a plurality of upright posts with a certain height are arranged between the two chessboard structures, two ends of each upright post are fixedly connected with the connecting parts of the two chessboard structures, and a certain distance is arranged between the two chessboard structures, and is the distance between the two ends of each upright post, namely the height of each upright post; the upright posts have a certain height, so that the upright posts form vertical flow channels perpendicular to the chessboard structures between the two chessboard structures, the upright posts form parallel flow channels parallel to the chessboard structures in the arrangement direction between the two chessboard structures, and the vertical flow channels are communicated with the parallel flow channels; the upright posts are considered to have a certain height, a circulation space is reserved between the two chessboard structures, so that a drainage and exhaust channel is formed in the direction perpendicular to the chessboard structures, meanwhile, a gap is reserved between any two upright posts, so that a drainage and exhaust channel is formed in the direction parallel to the chessboard structures, water and/or air have strong drainage and/or air capacity in any direction parallel to the chessboard structures, the diversion capacity of the composite geotechnical network is improved, the reduction of the diversion effect of the geotechnical network caused by construction scene reasons is avoided, the laying direction of the geotechnical network is required to be adjusted according to the construction scene, and the application range of the composite geotechnical network is widened; in the practical application of the composite geotechnical network, the geotechnical cloth can bear the pressure of soil, sand grains and the like, and the geotechnical cloth is supported by the chessboard structure, so that the geotechnical cloth can be prevented from being embedded into gaps between the upright posts under the action of the pressure, the soil, the sand grains and the like are prevented from being brought into the gaps between the upright posts to block the drainage and exhaust channels due to the fact that the geotechnical cloth is embedded into the gaps between the upright posts, and the drainage capacity of the composite geotechnical network is further improved; meanwhile, the geotechnical cloth has the function of capillary blocking, when water flow permeates downwards at the upper part of the composite geotechnical net, as the geotechnical cloth has the function of capillary blocking, when the water flow is within the capillary blocking effect of the geotechnical cloth, the geotechnical cloth provides the capillary blocking effect, and can block water from permeating into the upper geotechnical cloth and the lower structure, when the water flow is large, the capillary blocking effect provided by the geotechnical cloth is insufficient for treatment, the capillary blocking effect of the geotechnical cloth fails, and the water flow breaks through the geotechnical cloth, enters into a diversion channel formed by the chessboard structure and the upright posts, is discharged, so that the further downward infiltration amount of the water flow is reduced, and as the composite geotechnical net can reduce the infiltration amount of the water to the direction below the composite geotechnical net, the application range of the composite geotechnical net is further expanded.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a novel composite geonet structure with strong flow conductivity of the present invention;
FIG. 2 is a cross-sectional view of the structure of the novel composite geonet of the present invention at the A-A plane of FIG. 1 with strong flow conductivity;
FIG. 3 is an overall cross-sectional view of a seal cover structure of the novel composite geonet with enhanced flow conductivity of the present invention applied to a non-wet land landfill.
Reference numerals:
1. a composite geonet; 11. a net core; 111. a chessboard structure; 112. a column; 12. geotextile; 2. coarse soil layer; 3. landfill waste; 4. fine-grained soil layer; 5. and (5) a vegetation layer.
Detailed Description
The technical solutions of the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is apparent that the described embodiments are only some embodiments of the present specification, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in this specification are within the scope of the invention.
Example 1
As shown in fig. 1 to 3, embodiment 1 provides a novel composite geotechnical network with strong flow conductivity, the composite geotechnical network 1 includes a network core 11 and two geotechnical cloths 12 respectively bonded on two sides of the network core, and the network core 11 includes:
the two checkerboard structures 111, the two geotextiles 12 are correspondingly adhered to the two checkerboard structures 111, each checkerboard structure 111 comprises a plurality of first ribs and a plurality of second ribs, the first ribs are distributed at intervals in parallel in a first direction, the second ribs are distributed at intervals in parallel in a second direction, and the first direction and the second direction are two crossed directions; a plurality of columns 112 having a height, disposed between the two board structures 111, so as to form a vertical flow channel perpendicular to the board structures 111 between the two board structures 111 by the height of the columns 112, wherein the plurality of columns 112 form a parallel flow channel parallel to the board structures 111 in the direction of arrangement between the two board structures 111, and the vertical flow channel is communicated with the parallel flow channel; each of the chessboard structures 111 has connection portions corresponding to the number of the upright posts 112, two ends of the upright posts 112 are fixedly connected with the connection portions corresponding to the two chessboard structures 111, and a distance between two ends of each upright post 112 forms the height of the upright post 112.
The composite geotechnical net comprises a net core and two geotechnical cloths which are respectively adhered to the two sides of the net core, wherein the geotechnical cloths have the functions of separating sediment, reverse filtration and capillary retardation, and when the drainage function is exerted, the geotechnical cloths mainly have the reverse filtration and separation functions, so that soil particles or other solid impurities can be prevented from entering the net core to further influence the drainage effect, and the drainage effect of the composite geotechnical net is improved; the net core comprises two chessboard structures, two geotextiles are correspondingly adhered to the two chessboard structures, and the chessboard structures can be considered to be regular net structures through the distribution of the plurality of first ribs and the plurality of second ribs and can support the geotextiles; a plurality of upright posts with a certain height are arranged between the two chessboard structures, two ends of each upright post are fixedly connected with the connecting parts of the two chessboard structures, and a certain distance is arranged between the two chessboard structures, and is the distance between the two ends of each upright post, namely the height of each upright post; the upright posts have a certain height, so that the upright posts form vertical flow channels perpendicular to the chessboard structures between the two chessboard structures, the upright posts form parallel flow channels parallel to the chessboard structures in the arrangement direction between the two chessboard structures, and the vertical flow channels are communicated with the parallel flow channels; the upright posts are considered to have a certain height, a circulation space is formed between the two chessboard structures, so that a drainage and exhaust channel is formed in the direction perpendicular to the chessboard structures, and meanwhile, a gap is formed between any two upright posts, so that a drainage and exhaust channel is formed in the direction parallel to the chessboard structures, water and/or gas have strong drainage and/or gas capacity in any direction parallel to the chessboard structures, and the diversion capacity of the composite geonet is improved; in the practical application of the composite geotechnical network, the geotechnical cloth can bear the pressure of soil, sand grains and the like, and the geotechnical cloth is supported by the chessboard structure, so that the geotechnical cloth can be prevented from being embedded into gaps between the upright posts under the action of the pressure, the soil, the sand grains and the like are prevented from being brought into the gaps between the upright posts to block the drainage and exhaust channels due to the fact that the geotechnical cloth is embedded into the gaps between the upright posts, and the drainage capacity of the composite geotechnical network is further improved; meanwhile, the geotextile has the function of capillary blocking, in the practical application of the composite geotextile, when water flows downwards permeate at the upper part of the composite geotextile, as the geotextile has the function of capillary blocking, when the water flow is within the capillary blocking effect of the geotextile, the geotextile provides the capillary blocking effect, and can block water from penetrating into the upper geotextile and the lower structure, when the water flow is large, the capillary blocking effect provided by the geotextile is insufficient, the capillary blocking effect of the geotextile fails, and water flows break through the geotextile and enter a diversion channel formed by the chessboard structure and the upright posts to be discharged, so that the further downwards penetrating amount of the water flow is reduced.
In some possible implementations, the connection portion is provided at an intersection point where any one of the first ribs intersects with a corresponding one of the second ribs.
Specifically, a plurality of first ribs are distributed at intervals in parallel in the first direction, a plurality of second ribs are distributed at intervals in parallel in the second direction, the first direction and the second direction are two crossed directions, the connecting part is arranged at the crossing point position of any one first rib and one corresponding second rib, two ends of the stand column are fixedly connected with the corresponding connecting part, in the actual use process, the composite geonet is subjected to the action of pressure, the pressure is transmitted to the chessboard structure at the lower layer through the stand column, and the pressure is shared by the ribs in four opposite directions on the chessboard structure because the connecting part fixedly connected with the stand column is the crossing point position, so that the stress of the chessboard structure at the upper layer and the chessboard structure at the lower layer of the composite geonet is more uniform and stable, the use stability and durability of the composite geonet are improved, and the service time is prolonged.
In some possible implementations, the first direction and the second direction are perpendicular to each other.
Specifically, the upright posts are arranged at the intersection point of any one of the first ribs and the corresponding one of the second ribs, the first direction and the second direction are the two intersecting directions, as the ribs in the first direction are mutually perpendicular to the ribs in the second direction, the distances between any two adjacent upright posts positioned on one rib are the same, when water and/or air circulate in the parallel circulation channel parallel to the chessboard structure, as the distances between any two adjacent upright posts positioned on one rib are the same, the water and/or air flow can be more uniformly and stably influenced by the obstruction force of the upright posts in each direction of the parallel circulation channel in the circulation process, the circulation stability of the water and/or air is improved, the flow guiding capability of the composite geotechnical network is better, the problems that the effective service time of the composite geotechnical network is shortened due to the fact that the impact of part of the upright posts is overlarge in the flow guiding process are avoided, and the durability of the composite geotechnical network is improved; meanwhile, in the actual use process of the composite geotechnical net, the composite geotechnical net can be cut according to the actual engineering area, and the ribs in the first direction are perpendicular to the ribs in the second direction, so that the performance of the periphery of the composite geotechnical net can be prevented from being reduced due to overlong first-direction ribs or second-direction ribs which are not crossed in the periphery of the composite geotechnical net in the cutting process.
In some possible implementations, the first rib and the second rib are integrally formed to form the checkerboard structure 111, the first rib and the second rib forming the checkerboard structure 111 being in a same plane.
Specifically, the first ribs and the second ribs are integrally formed on one plane, so that the adhesion of geotextile on the chessboard structure can be improved, meanwhile, the ribs of the chessboard structure are integrally formed on one plane, the stability of the chessboard structure can be improved, deformation at the intersection of the ribs due to stress in the construction and use processes is avoided, and the service performance of the composite geotechnical network is stable.
In some possible implementations, the first rib and the second rib are made of a high density polyethylene material.
Specifically, the high-density polyethylene material not only has good heat resistance and cold resistance, but also has stable chemical property, corrosion resistance, higher rigidity and toughness, the high rigidity ensures that the chessboard structure formed by the first ribs and the second ribs has better supporting effect on geotextiles and better supporting effect on stand columns, and the higher toughness can ensure that the chessboard structure has better rigidity and is not easy to generate brittle fracture due to pressure action, so that the durability of the composite geotechnical net is improved; the high-density polyethylene material has good heat resistance, cold resistance and chemical stability, so that the composite geotechnical network can adapt to the use of a harsher environment in the practical application working condition, and the application range is enlarged.
In some possible implementations, the posts 112 are made of a high density polyethylene material.
Specifically, the high-density polyethylene material not only has good heat resistance and cold resistance, but also has stable chemical property, corrosion resistance, higher rigidity and toughness, and can improve the durability of the upright post, thereby improving the durability of the composite geotechnical net, and enabling the composite geotechnical net to be suitable for use in severe environments in practical application working conditions.
In some possible implementations, the fixed connection between the two ends of the upright 112 and the corresponding connection portions of the two board structures 111 is adhesive or integrally formed.
Specifically, the fixed connection between the two ends of the upright post and the corresponding connecting parts of the two chessboard structures can improve the stability of the net core, thereby improving the durability of the composite geotechnical net.
In some possible implementations, the thickness of the first rib and the second rib is 1.5mm to 3mm, the diameter of the upright 112 is adapted to the width of the first rib and the second rib, and the height of the upright 112 is 7mm to 24mm.
Specifically, two chess board structures and the stand column arranged between the two chess board structures form a circulation channel, the height of the stand column forms the length of a vertical circulation channel vertical to the direction of the chess board structures and the height of a parallel circulation channel parallel to the chess board structures, the height of the stand column is 7-24 mm, the circulation channel is prevented from being blocked between the spaces of the stand column by the geotechnical cloth on the basis of maintaining the stability of the net core and the stable support of the geotechnical cloth by the chess board structures, the water and/or gas diversion effect of the composite geotechnical net is improved, and the effective circulation of water and/or gas in the circulation channel is maintained.
In some possible implementations, the geotextile 12 is made of polyester fiber or polypropylene fiber, the geotextile 12 has a gauge of 50g/m 2 ～600g/m 2 。
Specifically, the polyester fiber has the advantages of high strength, difficult breakage, good wear resistance, difficult shrinkage, good aging resistance, corrosion resistance and the like, the polypropylene fiber has the advantages of high strength, good wear resistance, good elasticity, good aging resistance, corrosion resistance and light weight, and the use durability of the geotextile can be improved by using the polyester fiber or the polypropylene fiber to prepare the geotextile.
In some possible implementations, the composite geonet is applied in a landfill cover structure of a non-wet area landfill.
Specifically, the composite geotechnical net is applied to a sealing field covering structure of a non-wetting area landfill, so that a new sealing field covering structure can be obtained, for example, the sealing field covering structure comprises a coarse soil layer 2, a composite geotechnical net 1 and a fine soil layer 4, wherein the composite geotechnical net 1 is arranged between the coarse soil layer 2 and the fine soil layer 4, the coarse soil layer 2 is arranged on landfill waste 3, a vegetation layer 5 is arranged on the fine soil layer 4, and an upper geotechnical cloth of the composite geotechnical net provides a capillary blocking effect, so that water can be blocked from penetrating into the upper geotechnical cloth and a lower structure, but when the capillary blocking effect of the upper geotechnical cloth fails due to excessive penetration, the water breaks through the upper geotechnical cloth and enters a net core to be laterally guided, so that the leakage amount of water to a bottom garbage percolate can be reduced; meanwhile, the composite geonet can be used as an exhaust layer, organic matters contained in bottom landfill waste can be degraded under the action of microorganisms to generate landfill gas, the generated landfill gas passes through a coarse soil layer and moves to a circulation channel of the composite geonet, the generated landfill gas is laterally discharged in a guide way through the circulation channel of the composite geonet, the orderly release and collection of the generated landfill gas are controlled, the defect that the upper and lower water vapor environments of a covering layer film of a film sealing field are not communicated can be avoided, the excessive landfill gas is accumulated under the film to generate potential safety hazards such as deformation and bulge of a geofilm and unstable sliding of a soil body above the geofilm, and the defect that the upper and lower water vapor environments of the covering layer film of the film sealing field are not communicated is avoided, and the situation that the root of a vegetation layer plant is dead due to direct escape of the landfill gas when the air pressure is high is avoided, so that the plant growth is influenced; it should be noted that, the application field of the novel composite geotechnical network with strong diversion capability of the present invention is not limited to the above-mentioned sealing coverage structure, and the application of the novel composite geotechnical network with strong diversion capability of the present invention also includes the fields of civil engineering, water conservancy, municipal engineering, etc., and as the composite geotechnical network in the second embodiment is the same as the composite geotechnical network in the first embodiment, the performance principle of the composite geotechnical network is not described herein, and reference to the first embodiment is made.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a novel compound geotechnique net with strong water conservancy diversion ability, its characterized in that, compound geotechnique net (1) include net core (11) and two geotechnique's cloth (12) that bond respectively in the both sides of net core, net core (11) include:
the two chessboard structures (111), the two geotextiles (12) are correspondingly adhered to the two chessboard structures (111), each chessboard structure (111) comprises a plurality of first ribs and a plurality of second ribs, the first ribs are distributed at intervals in parallel in a first direction, the second ribs are distributed at intervals in parallel in a second direction, and the first direction and the second direction are two crossed directions;
a plurality of columns (112) having a height, arranged between two of the chessboard structures (111) so as to form a vertical circulation channel perpendicular to the chessboard structures (111) between the two chessboard structures (111) by the height of the columns (112), wherein the columns (112) form a parallel circulation channel parallel to the chessboard structures (111) in the arrangement direction between the two chessboard structures (111), and the vertical circulation channel is communicated with the parallel circulation channel;
each chessboard structure (111) is provided with connecting parts which are matched with the number of the upright posts (112), two ends of each upright post (112) are fixedly connected with the corresponding connecting parts of the two chessboard structures (111), and the distance between the two ends of each upright post (112) forms the height of the upright post (112).
2. The composite geonet of claim 1, wherein: the connecting portion is provided at an intersection point where any one of the first ribs and a corresponding one of the second ribs intersect.
3. The composite geonet of claim 2, wherein: the first direction and the second direction are perpendicular to each other.
4. A composite geonet according to claim 3, wherein: the first and second ribs are integrally formed to form the chess board structure (111), the first and second ribs forming the chess board structure (111) being in the same plane.
5. The composite geonet of claim 4, wherein: the first rib and the second rib are made of a high density polyethylene material.
6. The composite geonet of claim 5, wherein: the upright (112) is made of high-density polyethylene material.
7. The composite geonet of claim 6, wherein: the fixed connection between the two ends of the upright post (112) and the corresponding connection parts of the two chessboard structures (111) is bonding or integrated.
8. The composite geonet of claim 7, wherein: the thickness of the first rib and the second rib is 1.5-3 mm, the diameter of the upright post (112) is matched with the width of the first rib and the second rib, and the height of the upright post (112) is 7-24 mm.
9. The composite of claim 8Geotechnical net, its characterized in that: the geotextile (12) is made of polyester fiber or polypropylene fiber, and the specification of the geotextile (12) is 50g/m 2 ～600g/m 2 。
10. The composite geonet of any one of claims 1-9, wherein: the composite geonet is applied to a sealing field covering structure of a non-wetting area landfill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311127572.1A CN117211250A (en) | 2023-09-04 | 2023-09-04 | Novel composite geotechnical net with strong diversion capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311127572.1A CN117211250A (en) | 2023-09-04 | 2023-09-04 | Novel composite geotechnical net with strong diversion capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117211250A true CN117211250A (en) | 2023-12-12 |
Family
ID=89041694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311127572.1A Pending CN117211250A (en) | 2023-09-04 | 2023-09-04 | Novel composite geotechnical net with strong diversion capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117211250A (en) |
-
2023
- 2023-09-04 CN CN202311127572.1A patent/CN117211250A/en active Pending
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