CN213952182U - Composite geonet - Google Patents

Composite geonet Download PDF

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Publication number
CN213952182U
CN213952182U CN202021958522.XU CN202021958522U CN213952182U CN 213952182 U CN213952182 U CN 213952182U CN 202021958522 U CN202021958522 U CN 202021958522U CN 213952182 U CN213952182 U CN 213952182U
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China
Prior art keywords
geogrid
dimensional
geonet
net
flat
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CN202021958522.XU
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Chinese (zh)
Inventor
曾长贤
廖进星
朱洪
汪祖才
王亚飞
郭建湖
梁幼毅
余景仙
胡耀芳
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Hubei Nete Geosynthetics Ltd
China Railway Siyuan Survey and Design Group Co Ltd
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Hubei Nete Geosynthetics Ltd
China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The application provides a compound geotechnique's net includes: a three-dimensional geonet comprising: a flat-layered web structure comprising a first surface and a second surface disposed opposite one another; the reticular convex structure is fixedly connected with the flat-layer reticular structure and protrudes out of the first surface; a geogrid and the three-dimensional geonet are arranged in a stacked mode; and the geogrid is fixedly connected with the flat-layer net structure and is arranged on one side adjacent to the second surface. This kind of compound geotechnological net utilizes geogrid, can fix the position of three-dimensional geotechnological net to geogrid and three-dimensional geotechnological net all can fix soil jointly, in order to reduce soil and because of the displacement to the force that applies to three-dimensional geotechnological net, ensure three-dimensional geotechnological net's structural integrity, thereby can be applied to higher domatic with this compound geotechnological net, in order to provide effectual protection to domatic, prevent soil erosion and water loss.

Description

Composite geonet
Technical Field
The application relates to the field of engineering construction, in particular to a composite geonet.
Background
The three-dimensional geotechnical net is a three-dimensional structure towel gourd net-like net pad for planting grass and fixing soil, has loose and flexible texture, is embedded in soil on a side slope, and has the characteristics of soil conservation and erosion prevention in the side slope protection, so that water and soil loss is effectively prevented. However, the three-dimensional geonet has low structural strength, and when applied to a high slope, the three-dimensional geonet is subjected to a large external force from soil, so that the three-dimensional geonet is deformed and torn, and the soil is difficult to be protected in the high slope.
Disclosure of Invention
In view of this, the present disclosure provides a composite geonet to solve the problem of low strength of a three-dimensional geonet structure.
In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:
the embodiment of the application provides a compound geotechnological net, includes: a three-dimensional geonet comprising: a flat-layered web structure comprising a first surface and a second surface disposed opposite one another; the reticular convex structure is fixedly connected with the flat-layer reticular structure and protrudes out of the first surface; a geogrid and the three-dimensional geonet are arranged in a stacked mode; and the geogrid is fixedly connected with the flat-layer net structure and is arranged on one side adjacent to the second surface.
Further, each of the three-dimensional geonets has only one flat-layered net structure and one raised net structure.
Further, the three-dimensional geonet and the geogrid are both provided as one.
Further, the three-dimensional geonet is provided in two, and the geogrid is provided in one; and the two opposite sides of the geogrid are respectively provided with the three-dimensional geonet.
Further, the three-dimensional geonet and the geogrid are arranged in a plurality, each three-dimensional geonet is adjacent to the geogrid, and each geogrid is adjacent to the three-dimensional geonet; the three-dimensional geonet arranged between the two geogrids comprises two flat-layer net structures and a reticular convex structure, wherein the two flat-layer net structures are respectively arranged on two opposite sides of the reticular convex structure.
Further, the two three-dimensional geonets at both ends of the composite geonet have only one flat net structure and one raised net structure.
Further, the geogrid is a biaxial tension grid.
Further, the flat-layer net structure is a bidirectional stretching net structure.
Further, the reticular convex structure is provided with a plurality of bulges which are distributed in a matrix manner.
Further, the three-dimensional geonet and the geogrid are fixedly connected through hot melting or welding or bonding or quilting.
The embodiment of the application provides a composite geotechnical net, including three-dimensional geotechnique's net and geogrid, three-dimensional geotechnical net includes flat bed network structure and netted protruding structure to flat bed network structure has relative first surface and second surface, and netted protruding structure and flat bed network structure fixed connection and protrusion in first surface, geogrid and the range upon range of setting of three-dimensional geotechnical net, and fixed connection are in flat bed network structure's second surface. This application embodiment can fix the position of three-dimensional geotechnological net through geogrid to geogrid and three-dimensional geotechnological net all can fix soil jointly, in order to reduce soil and because of the displacement to the force that applies of three-dimensional geotechnological net, ensure the structural integrity of three-dimensional geotechnological net, thereby can be applied to higher domatic with this compound geotechnological net, in order to provide effectual protection to domatic, prevent soil erosion and water loss.
Drawings
Fig. 1 is an exploded view of a first composite geonet according to embodiments of the present application;
fig. 2 is a schematic structural view of a three-dimensional geonet provided in an embodiment of the present application;
fig. 3 is a schematic structural view of a geogrid provided in an embodiment of the present application;
fig. 4 is an exploded view of a second composite geonet provided in accordance with an embodiment of the present application;
fig. 5 is a schematic structural view of a second composite geonet according to embodiments of the present application;
fig. 6 is an exploded view of a third composite geonet provided in accordance with an embodiment of the present application.
Description of the reference numerals
1-a three-dimensional geonet; 11-flat layer net structure; 12-a network projection structure; 3-geogrid.
Detailed Description
Various combinations of the specific features in the embodiments described in the detailed description may be made without contradiction, for example, different embodiments may be formed by different combinations of the specific features, and in order to avoid unnecessary repetition, various possible combinations of the specific features in the present application will not be described separately.
In the description of the embodiments of the present application, it should be noted that, unless otherwise specified and limited, the term "connected" should be interpreted broadly, for example, directly or indirectly through an intermediate, and the specific meaning of the term can be understood by those skilled in the art according to specific situations.
It should be noted that the terms "first \ second" and "first \ second" referred to in the embodiments of the present application are only used for distinguishing similar objects and do not represent a specific ordering for the objects, and it should be understood that "first \ second" and "first \ second" may be interchanged under a specific order or sequence where permitted. It should be understood that "first," "second" distinct objects may be interchanged under appropriate circumstances such that embodiments of the present application described herein may be implemented in an order other than those illustrated or described herein.
As shown in fig. 1, the present application provides a composite geonet comprising: three-dimensional geonet 1 and geogrid 3.
As shown in fig. 2, the three-dimensional geonet 1 includes a flat-layer net structure 11 and a net-shaped raised structure 12, wherein the flat-layer net structure 11 includes a first surface (e.g., a front surface in fig. 2) and a second surface (e.g., a back surface in fig. 2) which are oppositely arranged. Specifically, the flat-layer net structure 11 is a layer of net made of an elastic soft material, the thickness of the flat-layer net structure 11 is very thin, and the flat-layer net structure 11 can be regarded as a thin plate after being laid flat, that is, the height of the flat-layer net structure after being laid flat is negligible relative to the length and the width of the flat-layer net structure, and the first surface and the second surface can be the front and back surfaces of the thin-plate flat-layer net structure 11, that is, the first surface and the second surface are the two surfaces with the largest area after the flat-layer net structure 11 is laid flat. The net-shaped convex structure 12 is made of elastic soft material, is a three-dimensional structure, namely the height of the net-shaped convex structure after being paved is not negligible relative to the length and the width of the net-shaped convex structure, and comprises a plurality of convex parts which are distributed at intervals and can be distributed in a matrix manner, so that the acting force applied to the soil in the working area can be uniformly ensured to be uniform. The reticular convex structure 12 is fixedly connected with the flat-layer reticular structure 11 and protrudes out of the first surface. Specifically, the mesh-like protrusion structures 12 may be fixedly connected to the first surface of the flat-layer mesh structure 11, or may be fixedly connected to other positions of the flat-layer mesh structure 11, and only the mesh-like protrusion structures 12 are required to be fixedly connected to the flat-layer mesh structure 11, and the mesh-like protrusion structures 12 may protrude from the first surface.
As shown in fig. 3, the geogrid 3 includes transverse ribs and longitudinal ribs, which are crossed and fixedly connected to each other to form a net structure, and the geogrid 3 can be regarded as a thin plate in a laid state. The material used for the geogrid 3 is harder compared with a three-dimensional geonet, and the structural strength of the geogrid 3 is higher compared with the three-dimensional geonet. Geogrid 3 and three-dimensional geonet 1 are stacked (as shown in fig. 1). The geogrid 3 and the flat-bed mesh structure 11 are fixedly connected, and the geogrid 3 is located on the side of the flat-bed mesh structure 11 adjacent to the second surface. Specifically, the geogrid 3 may be fixedly connected to the second surface of the flat-layer mesh structure 11, or may be fixedly connected to other positions of the flat-layer mesh structure 11, and only the geogrid 3 is required to be fixedly connected to the flat-layer mesh structure 11, and the geogrid 3 is located on one side of the flat-layer mesh structure 11 adjacent to the second surface. Geogrid 3 and netted protruding structure 12 are located flat bed network structure 11's both sides respectively, utilize geogrid 3 to fix flat bed network structure 11's position, utilize netted protruding structure 12 can wrap up soil in certain spatial dimension, make the position of soil obtain fixing to because netted protruding structure 12 and geogrid 3 fixed connection, therefore netted protruding structure 12 is difficult for taking place great deformation.
The embodiment of the application provides a composite geotechnical net, including three-dimensional geotechnique's net and geogrid, three-dimensional geotechnical net includes flat bed network structure and netted protruding structure to flat bed network structure has relative first surface and second surface, and netted protruding structure and flat bed network structure fixed connection and protrusion in first surface, geogrid and the range upon range of setting of three-dimensional geotechnical net, and fixed connection are in flat bed network structure's second surface. This application embodiment can fix the position of three-dimensional geotechnological net through geogrid to geogrid and three-dimensional geotechnological net all can fix soil jointly, in order to reduce soil and because of the displacement to the force that applies of three-dimensional geotechnological net, ensure the structural integrity of three-dimensional geotechnological net, thereby can be applied to higher domatic with this compound geotechnological net, in order to provide effectual protection to domatic, prevent soil erosion and water loss.
As shown in fig. 2, in some embodiments of the present application, each three-dimensional geonet 1 may have only one flat-layered net structure 11 and one raised net structure 12. In this state, the flat net structure 11 and the net-shaped convex structure 12 are stacked and fixedly connected, one side of the formed three-dimensional geonet 1 is the flat net structure 11, the other side is the net-shaped convex structure 12, in the unfolded state, an accommodating space is formed between the flat net structure 11 and the net-shaped convex structure 12 to accommodate soil, and in the state of being arranged in the soil, the position of the soil can be fixed.
As shown in fig. 1, in some embodiments of the present application, each composite geonet may have only one three-dimensional geonet 1 and one geogrid 3. That is, one side of the geogrid 3 is fixedly connected with the three-dimensional geonet 1, and the other side is not connected with the three-dimensional geonet 1. In the construction process, firstly, a soil layer is leveled, one side of the composite geogrid with the geogrid 3 is attached to the leveled ground, the three-dimensional geogrid 1 protrudes out of the ground, the geogrid 3 is fixed on the ground by utilizing structures such as U-shaped nails, nutrient soil and the like are scattered on the geogrid 3, the nutrient soil and the like cover the three-dimensional geogrid 1, the three-dimensional geogrid 1 can fix the position of the nutrient soil, and green planting can be carried out on the nutrient soil.
In other embodiments of the present application, each composite geonet may have two three-dimensional geonets 1 and one geogrid 3, as shown in fig. 4 and 5. Namely, the two opposite sides of the geogrid 3 are fixedly connected with the three-dimensional geonet 1. In the construction process, firstly, a soil layer is leveled, then the composite geotechnical net is laid on the ground and is fixed on the ground by utilizing structures such as U-shaped nails, nutrient soil is thrown on the composite geotechnical net, the three-dimensional geotechnical nets 1 on two sides of the geogrid 3 can fix the position of the nutrient soil, and compared with the composite geotechnical net with only one three-dimensional geotechnical net 1, the composite geotechnical net with two three-dimensional geotechnical nets 1 can fix the nutrient soil with larger thickness.
In other embodiments of the present application, as shown in fig. 6, each of the composite geonets may have a plurality of (at least two) three-dimensional geonets 1 and a plurality of (at least two) geogrids 3, the three-dimensional geonets 1 and geogrids 3 being alternately arranged in sequence, i.e., each three-dimensional geonet 1 is adjacent to a geogrid 3, and each geogrid 3 is adjacent to a three-dimensional geonet 1. Specifically, adjacent means that the two are attached to each other or have a gap therebetween, and in a state where the gap is present therebetween, no other structure is present therebetween.
Specifically, in some embodiments of the present application, the number of three-dimensional geonets and the number of geogrids in each composite geonet may be the same. In this state, one side of the composite geonet is a geogrid, and the other side opposite to the one side is a three-dimensional geonet. In the construction process, firstly, a soil layer is leveled, one side of the composite geogrid in the composite geogrid is attached to the leveled ground, one side of the three-dimensional geogrid protrudes out of the ground, the geogrid is fixed on the ground by utilizing structures such as U-shaped nails, nutrient soil and the like are scattered on the geogrid, the composite geogrid is covered by the nutrient soil and the like, the position of the nutrient soil can be fixed by the three-dimensional geogrid, and green planting can be carried out on the nutrient soil.
Of course, in other embodiments of the present application (as shown in fig. 6), the number of three-dimensional geonets 1 in each composite geonet may also be greater than the number of geogrids 3, i.e., the number of three-dimensional geonets 1 is one more than the number of geogrids 3. In this state, the composite geonet is three-dimensional geonet 1 on both sides. In the construction process, firstly, a soil layer is leveled, then the composite geotechnical net is laid on the ground, the composite geotechnical net is fixed on the ground by utilizing structures such as U-shaped nails, nutrient soil and the like are thrown on the composite geotechnical net, the three-dimensional geotechnical nets 1 positioned on two sides of the composite geotechnical net and the three-dimensional geotechnical net 1 positioned in the middle of the composite geotechnical net can fix the position of the nutrient soil, and compared with the composite geotechnical net with only one or two three-dimensional geotechnical nets 1, the composite geotechnical net with three or more three-dimensional geotechnical nets 1 can fix the nutrient soil with larger thickness.
Of course, in other embodiments of the present application, the number of three-dimensional geonets in each composite geonet may also be less than the number of geogrids, i.e., the number of three-dimensional geonets is one less than the number of geogrids. In this state, both sides of the composite geonet are geogrids. In the construction process, firstly, a soil layer is leveled, the geogrid on one side of the composite geogrid is attached to the leveled ground, the geogrid is fixed on the ground by utilizing structures such as U-shaped nails, then nutrient soil and the like are thrown on the composite geogrid, so that the composite geogrid is covered by the nutrient soil and the like, the position of the nutrient soil can be fixed by the three-dimensional geogrid clamped in the geogrid, and green planting can be carried out on the nutrient soil.
As shown in fig. 6, in some embodiments of the present application, the three-dimensional geonet 1 disposed between two geogrids 3 may include two flat layer net structures 11 and one raised net structure 12, wherein the two flat layer net structures 11 are respectively disposed on two sides of the raised net structure 12, i.e., the raised net structure 12 is sandwiched between the two flat layer net structures 11, and the two flat layer net structures 11 and the raised net structure 12 are fixedly connected. One geogrid 3 is arranged on one side of one flat layer net structure 11, which is far away from the net-shaped raised structure 12, and the other geogrid 3 is arranged on one side of the other flat layer net structure 11, which is far away from the net-shaped raised structure 12, namely, the two geogrids 3 clamp one three-dimensional geonet 1. Since the flat net structure 11 can be well adhered to the surface of the geogrid 3, the flat net structure 11 can be firmly attached to the geogrid 3.
As shown in fig. 6, in some embodiments of the present application, the three-dimensional geonet 1 disposed at both ends of the composite geonet may have only one flat-layered net structure 11 and one raised net structure 12. Specifically, the flat-layer net structure 11 is fixedly connected to the geogrid 3 adjacent to the flat-layer net structure, and the net-shaped raised structures 12 are protruded out of the surface of the geogrid 3. Because the side of the three-dimensional geonet 1, which is away from the geogrid 3, on the two sides of the composite geonet does not need to be connected with the geogrid 3, the reticular convex structure 12 at the position does not need to be fixedly connected with the flat-layer reticular structure 11, and only needs to be capable of protruding out of the geogrid 3 to fix soil.
In some embodiments of the present application, the geogrid is a bi-directional tensile grid, i.e., the geogrid is elastic in both the transverse direction and the longitudinal direction, and can be stretched appropriately, and stretched in the transverse direction and the longitudinal direction respectively during construction, so as to pre-stress the geogrid and make it possible to better fix the soil.
In some embodiments of the present application, the flat net structure is a two-way stretch net structure, that is, the flat net structure has elasticity in both the transverse direction and the longitudinal direction, and can be properly stretched and stretched in the transverse direction and the longitudinal direction during construction, respectively, to apply prestress to the flat net structure, so that the flat net structure can better fix soil.
In some embodiments of the present application, the three-dimensional geonet and the geogrid may be fixedly connected by means of heat melting, welding, bonding, quilting, or the like. Specifically, the three-dimensional geonet and the geogrid can be made of plastic materials, and in the state, the three-dimensional geonet and the geogrid can be fixedly connected in a hot melting mode, a bonding mode, a quilting mode and the like; the three-dimensional geonet and the geogrid can also be made of metal materials such as aluminum alloy and the like, and can be fixedly connected in a welding, bonding, quilting and other modes; of course, the three-dimensional geonet and the geogrid can be made of other materials, and only the three-dimensional geonet and the geogrid can be fixedly connected.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A composite geonet, comprising:
a three-dimensional geonet comprising: a flat-layered web structure comprising a first surface and a second surface disposed opposite one another; the reticular convex structure is fixedly connected with the flat-layer reticular structure and protrudes out of the first surface;
a geogrid and the three-dimensional geonet are arranged in a stacked mode;
and the geogrid is fixedly connected with the flat-layer net structure and is arranged on one side adjacent to the second surface.
2. The composite geonet of claim 1, wherein each of said three-dimensional geonets has only one flat layer net structure and one net projection structure.
3. The composite geonet of claim 2, wherein said three-dimensional geonet and said geogrid are provided in one.
4. The composite geonet of claim 2,
the number of the three-dimensional earthwork nets is two, and the number of the earthwork grids is one;
and the two opposite sides of the geogrid are respectively provided with the three-dimensional geonet.
5. The composite geonet of claim 1,
the three-dimensional geogrid and the three-dimensional geogrid are arranged in a plurality, each three-dimensional geogrid is adjacent to the geogrid, and each geogrid is adjacent to the three-dimensional geogrid;
the three-dimensional geonet arranged between the two geogrids comprises two flat-layer net structures and a reticular convex structure, wherein the two flat-layer net structures are respectively arranged on two opposite sides of the reticular convex structure.
6. The composite geonet of claim 5,
and the two three-dimensional geonets at the two ends of the composite geonet are respectively provided with only one flat layer net structure and only one net convex structure.
7. The composite geogrid of claim 1, wherein the geogrid is a biaxially oriented grid.
8. The composite geonet of claim 1, wherein the flat-layered web structure is a biaxially-oriented web structure.
9. The composite geonet of claim 1, wherein said reticulated relief structure has a plurality of projections arranged in a matrix.
10. The composite geonet of claim 1, wherein the three-dimensional geonet and the geogrid are fixedly connected by heat fusion or welding or bonding or quilting.
CN202021958522.XU 2020-09-09 2020-09-09 Composite geonet Active CN213952182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021958522.XU CN213952182U (en) 2020-09-09 2020-09-09 Composite geonet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021958522.XU CN213952182U (en) 2020-09-09 2020-09-09 Composite geonet

Publications (1)

Publication Number Publication Date
CN213952182U true CN213952182U (en) 2021-08-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021958522.XU Active CN213952182U (en) 2020-09-09 2020-09-09 Composite geonet

Country Status (1)

Country Link
CN (1) CN213952182U (en)

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