CN219637871U - Three-dimensional plastic geogrid - Google Patents
Three-dimensional plastic geogrid Download PDFInfo
- Publication number
- CN219637871U CN219637871U CN202321056126.1U CN202321056126U CN219637871U CN 219637871 U CN219637871 U CN 219637871U CN 202321056126 U CN202321056126 U CN 202321056126U CN 219637871 U CN219637871 U CN 219637871U
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- China
- Prior art keywords
- ribs
- dimensional plastic
- longitudinal
- plastic geogrid
- geogrid
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- 239000004033 plastic Substances 0.000 title claims abstract description 49
- 229920003023 plastic Polymers 0.000 title claims abstract description 49
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 10
- 239000004746 geotextile Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 15
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model relates to a three-dimensional plastic geogrid, which comprises a plurality of bearing units which are arrayed on a plane, wherein each bearing unit comprises a rectangular frame formed by two longitudinal ribs and two transverse ribs, the longitudinal ribs and the transverse ribs are connected through nodes, and four nodes are respectively positioned at four top ends of the rectangular frame, and the three-dimensional plastic geogrid is characterized in that: at least one of the two longitudinal ribs and the two transverse ribs is arranged in a bending shape, and the three-dimensional plastic geotechnical net pad further comprises a central connecting part positioned in the rectangular frame, wherein the central connecting part is respectively connected with four nodes at the top end of the rectangular frame through four oblique ribs.
Description
Technical Field
The utility model relates to the field of geogrids, in particular to a three-dimensional plastic geogrid.
Background
The plastic geogrid is a two-dimensional latticed net material which is formed by stretching high molecular polymers such as polypropylene, high-density polyethylene and the like serving as main raw materials through an extrusion orifice plate, or is formed by stretching an extrusion plastic plate after punching or is formed by welding extrusion stretching strips, is generally paved in soil, and forms an efficient stress transmission body through the meshing and interlocking action between grid meshes and the soil body, so that local load can be quickly and effectively transmitted to the soil body with a large area, and the aims of reducing local damage stress and prolonging the service life of engineering are fulfilled.
The existing plastic geogrid belongs to a planar net-shaped structure body, the lengths of ribs are equal to the connecting line distance of nodes at two ends of the ribs, the maximum height of the ribs is not greater than the maximum height of the nodes, and the thickness of soil fixation or soil interception is limited to a certain extent.
Disclosure of Invention
The utility model provides a three-dimensional plastic geogrid aiming at the defects of the prior art.
The utility model provides a three-dimensional plastic geogrid which comprises a plurality of bearing units which are arrayed on a plane, wherein each bearing unit comprises a rectangular frame formed by two longitudinal ribs and two transverse ribs, the longitudinal ribs and the transverse ribs are connected through nodes, four nodes are respectively positioned at the four top ends of the rectangular frame, at least one rib of the two longitudinal ribs and the two transverse ribs is arranged in a bent shape, and the three-dimensional plastic geogrid further comprises a central connecting part positioned in the rectangular frame, and the central connecting part is respectively connected with four nodes at the top end of the rectangular frame through four oblique ribs. At least one rib of the two longitudinal ribs and the two transverse ribs is arranged in a curved shape; on one hand, more and thicker soil can be trapped, and on the other hand, the pulling resistance of the soil can be improved.
As optimization, the central connection part is strip-shaped and has the length of less than or equal to 50mm. In this scheme, center junction is rectangular form and length less than or equal to 50mm to be equivalent to increase a rectangular form rib in bearing the weight of the unit, improve the effect of retaining soil.
As optimization, the end part in the length direction of the central connection part is respectively connected with two adjacent nodes through two oblique ribs. In this scheme, central junction length direction's tip is connected with two adjacent nodes respectively through two slant ribs to play fixed effect to both ends.
Preferably, the longitudinal ribs and/or the transverse ribs are curved in the thickness direction of the carrier unit. In the scheme, the longitudinal ribs and/or the transverse ribs are curved along the thickness direction of the bearing unit, so that the maximum thickness of the whole plastic geogrid is increased, and thicker soil can be trapped.
Preferably, the longitudinal ribs and/or the transverse ribs are curved in the plane of the support unit. In the scheme, the longitudinal ribs and/or the transverse ribs are curved on the plane where the bearing units are located, so that the coverage area of the whole plastic geogrid is improved, and more soil can be trapped.
As an optimization, the center connection is arranged at the center of the rectangular frame. In the scheme, the center connection part is arranged at the center of the rectangular frame, so that the whole rectangular frame is uniformly arranged everywhere and is uniformly stressed.
As an optimization, the oblique ribs are twisted. The plastics geogrid in this scheme is through vertical and horizontal biaxial stretching shaping, can lead to the slant rib to take place certain distortion because of the effect of external force during the stretching, simultaneously, the shearing resistance of slant rib can be improved in the setting of slant rib distortion.
As an optimization, at least one of two width edges of the three-dimensional plastic geogrid along the longitudinal direction is provided with a continuous longitudinal broadside, and the width of the longitudinal broadside is greater than or equal to 3mm. The longitudinal broadsides in the scheme form the edges of the plastic geogrid, so that the connection strength between the single nets of the three-dimensional plastic geogrid is improved.
Preferably, the longitudinal wide edge is provided with patterns and/or through holes. The patterns and/or the through holes in the scheme are used for increasing the friction force between the longitudinal broadsides and the filler.
As an optimization, at least one bottom surface of the upper bottom surface and the lower bottom surface of the three-dimensional plastic geogrid is connected with a geogrid, a geocell, geotextiles, geomembranes, stretching nets, three-dimensional geomats or metal wires and combinations of the above materials. The additional geogrid, the geocell, the geotextile, the geomembrane, the stretching net, the three-dimensional geonet pad or the metal wire mesh of the scheme can increase the functions of the three-dimensional plastic geogrid, so that the application range of the three-dimensional plastic geogrid is wider.
The beneficial effects of the utility model are as follows: according to the three-dimensional plastic geogrid, at least one rib of two longitudinal ribs and two transverse ribs is arranged to be curved; on one hand, more and thicker soil can be trapped, and on the other hand, the tensile pulling force of the soil can be improved, so that the soil has certain anti-stretching elasticity. The utility model can replace the three-dimensional plastic geotechnical net pad for greening engineering, and has the advantages of high tensile strength, simple production process, low production cost and the like compared with the three-dimensional plastic geotechnical net pad.
Drawings
FIG. 1 is a schematic plan view of embodiment 1 of the present utility model;
FIG. 2 is a schematic plan view of embodiment 2 of the present utility model;
the figure shows:
1. node 2, longitudinal ribs 3, transverse ribs 4, central connection, 5, oblique ribs 6 and longitudinal broadsides.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Example 1:
as shown in fig. 1, the three-dimensional plastic geogrid of the present utility model includes a plurality of carrying units arranged in an array on a plane.
The bearing unit comprises rectangular frames formed by two longitudinal ribs 2 and two transverse ribs 3, wherein the longitudinal ribs 2 or the transverse ribs 3 are shared by adjacent rectangular frames, the longitudinal ribs 2 and the transverse ribs 3 are connected through nodes 1, and four nodes 1 are respectively positioned at four top ends of the rectangular frames, so that the rectangular frame is formed.
In this embodiment, the longitudinal ribs 2 and the transverse ribs 3 have the same length, and form a rectangular frame. In other embodiments, the unequal lengths of the longitudinal ribs 2 and the transverse ribs 3 also form a rectangular or quadrangular frame.
At least one rib of the two longitudinal ribs 2 and the two transverse ribs 3 is curved, and in this embodiment, the two longitudinal ribs 2 are both curved, and the longitudinal ribs 2 and/or the transverse ribs 3 are curved along the thickness direction of the bearing unit, so that they are curved in the thickness direction, and can entrap thicker soil.
In other embodiments as well, the longitudinal ribs 2 and/or the transverse ribs 3 are curved in the plane of the carrying unit, i.e. are curved in the plane, so that more soil can be trapped, and the longitudinal ribs 2 in other embodiments of the present embodiment therefore have a curved structure in three dimensions.
Also included is a central junction 4 located inside the rectangular frame, said central junction 4 being located in the centre of the rectangular frame. The central connection part 4 is strip-shaped, and the length is less than or equal to 50mm. The length direction of the central joint 4 in this embodiment is parallel to the two ends of the longitudinal rib 2.
The center connection part 4 is respectively connected with four nodes 1 at the top end of the rectangular frame through four oblique ribs 5. In this embodiment, the end portion in the length direction of the central connection portion 4 is connected to two adjacent nodes 1 through two oblique ribs 5.
The oblique ribs 5 are twisted. The four oblique ribs 5 in this embodiment are all twisted. Because the three-dimensional plastic geogrid in the embodiment is longitudinally and transversely biaxially oriented and formed, the oblique ribs can be distorted to a certain extent due to the action of external force during stretching, and meanwhile, the shearing force resistance of the oblique ribs can be improved due to the arrangement of the oblique ribs.
At least one of the two width edges of the three-dimensional plastic geogrid along the longitudinal direction is provided with a continuous longitudinal broadside 6, and the width of the longitudinal broadside 6 is larger than or equal to 3mm. The carrying unit is connected between two longitudinal broadsides 6. In this embodiment, two longitudinal broadsides 6 are provided for each three-dimensional plastic geogrid single-net, and the width of the longitudinal broadsides 6 is 10mm, and in other embodiments, the width of the longitudinal broadsides 6 may be 6mm, 8mm, 9mm, 11mm, 13mm, 15mm, 40mm or any value greater than 3mm.
In other embodiments the three-dimensional plastic geogrid single-web comprises a longitudinal broadside 6, the width of the longitudinal broadside 6 being larger than 3mm, and the carrier unit is connected to the longitudinal broadside 6. The longitudinal broadsides 6 are provided with patterns and/or through holes. In this embodiment, the longitudinal wide edge 6 is provided with a plurality of through holes along the longitudinal direction thereof, and in other embodiments, the longitudinal wide edge 6 is provided with a plurality of patterns.
At least one of the upper bottom surface and the lower bottom surface of the three-dimensional plastic geogrid is connected with the geogrid, the geogrid chamber, geotextile, a geomembrane, a stretching net, a three-dimensional geogrid pad or a wire mesh and the combination of the materials. In the embodiment, geotextiles are connected to the upper surface and the lower surface of the three-dimensional plastic geogrid to form a reinforced geotechnical mat, so that the reverse filtering function of the three-dimensional plastic geogrid is increased, and the reinforced geotechnical mat is used for river and lake treatment engineering of hydraulic engineering bottom protection. In other embodiments, the upper surface and/or the lower surface of the three-dimensional plastic geogrid are/is connected with a geomembrane to form a reinforced geomembrane, so that the seepage-proofing function of the three-dimensional plastic geogrid is increased; or the upper surface of the three-dimensional plastic geogrid is connected with geotechnical cloth, the lower surface of the three-dimensional plastic geogrid is connected with a geomembrane, and the reverse filtering and seepage preventing functions of the three-dimensional plastic geogrid can be added at the same time.
Example 2:
as shown in fig. 2, this embodiment differs from embodiment 1 in that:
the central connection 4 in this embodiment is not long, and is in a dot structure, and four oblique ribs 5 are converged on the central connection 4.
Example 3:
this embodiment differs from embodiment 1 in that:
the central connection part 4 in the embodiment is long, the length direction of the central connection part 4 is parallel to the straight line where the transverse ribs 3 are located, and the end part of the long central connection part 4 in the length direction is respectively connected with two adjacent nodes 1 through two oblique ribs 5. Both transverse ribs 3 of the carrier unit are provided in a curved shape.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (10)
1. The utility model provides a three-dimensional plastics geogrid, includes a plurality of bearing units of arranging on the plane array, bearing unit includes the rectangular frame that comprises two vertical ribs (2) and two horizontal ribs (3), vertical rib (2) and horizontal rib (3) are connected through node (1), four node (1) are located four tops of rectangular frame respectively, its characterized in that: at least one rib of the two longitudinal ribs (2) and the two transverse ribs (3) is bent, and the rectangular frame further comprises a center connecting part (4) positioned inside the rectangular frame, and the center connecting part (4) is respectively connected with four nodes (1) at the top end of the rectangular frame through four oblique ribs (5).
2. A three-dimensional plastic geogrid according to claim 1, characterized in that: the central connecting part (4) is strip-shaped and has the length of less than or equal to 50mm.
3. A three-dimensional plastic geogrid according to claim 2, characterized in that: the end part of the central connecting part (4) in the length direction is respectively connected with two adjacent nodes (1) through two oblique ribs (5).
4. A three-dimensional plastic geogrid according to claim 1, characterized in that: the longitudinal ribs (2) and/or the transverse ribs (3) are curved in the thickness direction of the carrier unit.
5. A three-dimensional plastic geogrid according to claim 1, characterized in that: the longitudinal ribs (2) and/or the transverse ribs (3) are curved on the plane of the carrier unit.
6. A three-dimensional plastic geogrid according to claim 1, characterized in that: the center connection part (4) is arranged at the center of the rectangular frame.
7. A three-dimensional plastic geogrid according to claim 1, characterized in that: the oblique ribs (5) are twisted.
8. A three-dimensional plastic geogrid according to claim 1, characterized in that: at least one of the two width edges of the three-dimensional plastic geogrid along the longitudinal direction is provided with a continuous longitudinal broadside (6), and the width of the longitudinal broadside (6) is more than or equal to 3mm.
9. The three-dimensional plastic geogrid according to claim 8, characterized in that: the longitudinal broadsides (6) are provided with patterns and/or through holes.
10. A three-dimensional plastic geogrid according to any of claims 1-9, characterized in that: at least one of the upper bottom surface and the lower bottom surface of the three-dimensional plastic geogrid is connected with the geogrid, the geogrid chamber, geotextile, a geomembrane, a stretching net, a three-dimensional geogrid pad or a wire mesh and the combination of the materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056126.1U CN219637871U (en) | 2023-05-06 | 2023-05-06 | Three-dimensional plastic geogrid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056126.1U CN219637871U (en) | 2023-05-06 | 2023-05-06 | Three-dimensional plastic geogrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637871U true CN219637871U (en) | 2023-09-05 |
Family
ID=87819886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056126.1U Active CN219637871U (en) | 2023-05-06 | 2023-05-06 | Three-dimensional plastic geogrid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637871U (en) |
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2023
- 2023-05-06 CN CN202321056126.1U patent/CN219637871U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |