CN219992405U

CN219992405U - Geotechnical grid of composite geotechnical fabric

Info

Publication number: CN219992405U
Application number: CN202320681101.4U
Authority: CN
Inventors: 安延东
Original assignee: Shandong Xieli Geotechnical Material Co ltd
Current assignee: Shandong Xieli Geotechnical Material Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-11-10
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a geotechnical grid of a composite geotechnical fabric, which relates to the field of building equipment, and adopts the technical scheme that a net structure is formed by a plurality of grid sheets, a plurality of water leakage holes are distributed on the grid sheets, and the geotechnical grid comprises a cushion layer, a water permeable film material and a water permeable film material, wherein the water leakage holes are positioned on one side of the grid sheets; the cushion layer is connected with the cell sheets through a plurality of nodes, and the positions of the nodes are positioned at the connecting positions among the cell sheets. The beneficial effects of the utility model are as follows: the geotextile is added as a cushion layer on the basis of the original cells, and the cushion layer can allow water to slowly permeate, so that fine soil is prevented from losing along with the water, and the geotextile is particularly used as a cushion layer of a dam on a soft foundation in a section with higher water content, so that the stability of the foundation is improved; or isolating two different sizes of soil particles from mixing.

Description

Geotechnical grid of composite geotechnical fabric

Technical Field

The utility model relates to the field of building equipment, in particular to a geocell of a composite geotextile.

Background

The geocell has wide application in geotechnical construction operations, such as half-filled half-cut roadbed, wind and sand area roadbed, land back roadbed filling and reinforcement, and the like. The geocell has the characteristics of free expansion and contraction and telescoping in transportation. The construction method can be used for stretching into a net shape during construction, and filling loose materials such as soil, broken stone, concrete and the like, so that the structure body with strong lateral limitation and high rigidity is formed.

Considering that after the geocell is laid, drainage needs to be carried out on a user, drain holes are reserved on the existing geocell sheet, water flows out through the holes, but when the water content of a soft foundation is high, part of soil or fine particles are lost along with the flowing out of the water, so that the filler in each cell is uneven, and the stability of the foundation is adversely affected.

Disclosure of Invention

The utility model provides a geocell of a composite geotextile.

The technical proposal is that the net structure is composed of a plurality of cell sheets, a plurality of water leakage holes are distributed on the cell sheets, and the utility model also comprises,

the cushion layer is positioned at one side of the cell sheet and fixedly connected with the side surface of the cell sheet, and the cushion layer is made of a permeable film material with the height corresponding to the cell sheet;

the cushion layer is connected with the cell sheets through a plurality of nodes, and the positions of the nodes are positioned at the connecting positions among the cell sheets.

Preferably, the cushion layer is arranged on two sides of the cell sheet.

Preferably, the cushion layer is a geotextile of the drainage type.

Preferably, the cushion layer is woven from one of polypropylene, olefin, polyester, nylon, and acrylonitrile fiber.

Preferably, the method further comprises the steps of,

the positioning piece is of an n-shaped structure as a whole, and the lower end of the positioning piece is fixedly provided with an inserting rod; the inserted link is the body of rod of vertical setting in setting element lower part, and the inserted link bottom is the pointed end.

Preferably, a plurality of frustum-shaped limiting blocks are arranged on the rod body of the inserted rod, and one large-area end of each limiting block faces upwards.

Preferably, the positioning piece comprises a first half and a second half, wherein the first half and the second half comprise a vertical part and a transverse part positioned at the upper end of the vertical part;

the vertical part is a plate body, and the transverse parts of the half part I and the half part II are connected in a sliding way;

the inserted link is arranged at the lower end of the first half or the second half.

Preferably, the transverse part of the first half is taken as a first transverse part, and the transverse part of the second half is taken as a second transverse part;

the second transverse part is a plate body, sliding blocks are symmetrically arranged on two sides of the plate body, the first transverse part comprises side plates which are arranged in parallel, sliding grooves are formed in the side plates, and the sliding blocks are in sliding connection with the sliding grooves.

Preferably, the lower ends of the two half parts are fixedly connected with the inserted link, and a clamping block is fixedly arranged at the lower end of each half part;

the upper part of the clamping block and the inserted link is correspondingly provided with a through slot.

Preferably, a plurality of tooth-shaped grooves are formed in the lower side of the second transverse part;

and one side of the first transverse part, which is far away from the second half part, is provided with a clamping plate corresponding to the groove.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the geotextile is added as a cushion layer on the basis of the original cells, and the cushion layer can allow water to slowly permeate, so that fine soil is prevented from losing along with the water, and the geotextile is particularly used as a cushion layer of a dam on a soft foundation in a section with higher water content, so that the stability of the foundation is improved; or isolating two different sizes of soil particles from mixing. According to the scheme, the cell sheets and the geotextile are welded and formed after being bonded, the cell sheets and the geotextile are firmly combined, and the tensile strength of welded joints is high, so that engineering requirements are met.

Drawings

FIG. 1 is a schematic diagram of a cell sheet according to the background of the utility model.

Fig. 2 is a schematic overall structure of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a positioning member according to an embodiment of the utility model.

Wherein, the reference numerals are as follows: 1. a cell sheet; 2. a cushion layer; 3. a positioning piece; 31. half one; 311. a first transverse part; 32. a second half; 321. a slide block; 4. a rod; 5. a clamping block; 6. and (5) clamping plates.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 2, the utility model provides a geotechnical cell of a composite geotechnical fabric, which is a net structure formed by a plurality of cell sheets 1, wherein a plurality of water leakage holes are distributed on the cell sheets 1. The cell sheet 1 is connected by ultrasonic welding at a plurality of nodes, can be folded and stored when not in use, and can be unfolded when in use and then the filling material is added in the cells. Two sides of each cell sheet 1 are respectively added with a cushion layer 2, the cushion layers 2 are fixedly connected with the side surfaces of the cell sheets 1, and the cushion layers 2 are made of water permeable film materials with the heights corresponding to the cell sheets 1; the cushion layer 2 is also connected with the cell sheet 1 through a plurality of nodes, and the positions of the nodes are positioned at the connection positions among the sheets of the cell sheet 1.

The cushion layer 2 is made of a filtering geotextile and is woven by one of polypropylene, olefin, terylene, nylon and acrylonitrile fiber. The concrete processing mode is that the two sides of the cell sheet 1 of the original geotechnical cell are stuck with the cushion layer 2 with the same size by using environment-friendly adhesive, then the node type welding is carried out by using a welding machine as the normal cell processing, and the welding position is the same as the welding position during the cell processing, so that the cushion layer 2 is not required to be welded by selecting an extra node. After processing in this way, a firm connection of the cell sheet 1 and the mat 2 can be ensured. And after the common cell sheet 1 is combined with the cushion layer 2 of the scheme, the problem that sand and soil are lost along with water can be avoided, and the water discharge is not influenced.

Referring to fig. 3, on the basis of the above embodiment, the present utility model further relates to a positioning member 3 for cell fixation, wherein the positioning member 3 is of an n-shaped structure as a whole, and a plug rod 4 is fixedly arranged at the lower end of the positioning member 3; the inserted link 4 is a rod body vertically arranged at the lower part of the positioning piece 3, and the bottom end of the inserted link 4 is a tip.

After the lattice is laid, the positioning piece 3 is inserted downwards from top to bottom along the node position of the lattice sheet by the positioning piece 3 with the structure until the lower end of the inserted link 4 is immersed into the ground. And the geocell is positioned by means of the positioning piece 3, so that the problem of cell displacement in the subsequent construction process is reduced.

On the basis of the above embodiment, a plurality of frustum-shaped limiting blocks are arranged on the rod body of the inserted rod 4, and one large-area end of each limiting block faces upwards. The frustum can be a truncated cone or a truncated pyramid, and after being inserted into the ground in a wedge-like manner, the firmness of the combination of the inserted link 4 and the ground is improved.

On the basis of the above embodiment, the positioning member 3 comprises a first half 31 and a second half 32, and the first half 31 and the second half 32 each comprise a vertical part and a transverse part positioned at the upper end of the vertical part; the vertical part is a plate body, and the transverse parts of the half part I31 and the half part II 32 are connected in a sliding way; the insert rod 4 is disposed at the lower end of the first half 31 or the second half 32. The vertical part of the plate body structure is adopted, so that the clamping of the plate body structure to the cell sheets is facilitated. The structure of the transverse part only needs to meet the requirement that the vertical parts of the two half parts can be close to or far away from each other, such as a screw-nut structure, a sliding block guide rail structure and the like. Because the positioning part 3 has different positioning positions on the cell sheet nodes, the distance between the first half 31 and the second half 32 of the positioning part 3 at the transverse node is required to be slightly larger, and the distance between the longitudinal nodes is slightly smaller, so that an adjustable positioning structure is adopted.

Based on the above embodiment, the transverse part of the first half 31 is taken as a first transverse part 311, and the transverse part of the second half 32 is taken as a second transverse part; the second transverse part is a plate body, two sides of the plate body are symmetrically provided with sliding blocks 321, the first transverse part 311 comprises side plates which are arranged in parallel, sliding grooves are formed in the side plates, and the sliding blocks 321 are in sliding connection with the sliding grooves. In order to allow a quick adjustment of the distance between the first half 31 and the second half 32 during the installation process, and the joint of the cell sheet 1 itself is welded, the positioning element 3 only has an auxiliary clamping effect, more in particular a vertical fixing. Therefore, the requirement can be met by adopting the sliding structure of the sliding block and the sliding chute, and the processing difficulty is lower.

On the basis of the embodiment, the lower end of the second half 32 is fixedly connected with the inserted link, and the lower end of the first half 31 is fixedly provided with the clamping block 5; the upper parts of the clamping block 5 and the inserted link 4 are correspondingly provided with through slots. Through this structure, after inserting down in setting element 3, can get into earth's surface money at setting element 3 lower extreme, alternate the bandage in the slot of fixture block 5 and inserted bar 4, like construction common ribbon, iron wire etc. with the help of the lower extreme of the first 31 of bandage with half 32, improve setting element 3 and check room piece's connection compactness.

On the basis of the embodiment, a plurality of tooth-shaped grooves are arranged on the lower side of the transverse part II; the clamping plate 6 is arranged on one side of the first transverse part 311 away from the second half part 32 corresponding to the groove. With this structure, the card 6 can play a limiting role when the upper ends of the two halves slide, and the structure is similar to a unidirectional limiting structure of a binding belt. If the callback is needed, the clamping plate 6 is slightly stirred, and the limit is released.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The geotechnical cell of the composite geotechnical fabric consists of a net structure formed by a plurality of cell sheets (1), a plurality of water leakage holes are distributed on the cell sheets (1), and is characterized in that the geotechnical cell also comprises,

the cushion layer (2) is positioned at one side of the cell sheet (1) and fixedly connected with the side surface of the cell sheet (1), and the cushion layer (2) is made of a permeable film material with the height corresponding to the cell sheet (1);

the cushion layer (2) is connected with the cell sheets (1) through a plurality of nodes, and the positions of the nodes are positioned at the connecting positions among the cell sheets (1);

the positioning piece (3) is of an n-shaped structure as a whole, and the lower end of the positioning piece is fixedly provided with an inserting rod (4); the inserted link (4) is a rod body vertically arranged at the lower part of the positioning piece (3), and the bottom end of the inserted link (4) is a tip.

2. A geocell of a composite geotextile according to claim 1, characterized in that both sides of the cell sheet (1) are provided with the cushion layer (2).

3. A geocell of a composite geotextile according to claim 2, wherein the cushion layer (2) is a filter-type geotextile.

4. A geocell of a composite geotextile according to claim 3, wherein the backing layer is woven from one of polypropylene, olefin, polyester, nylon, acrylonitrile fiber.

5. The geocell of the composite geotextile according to claim 1, wherein a plurality of frustum-shaped limiting blocks are arranged on the rod body of the inserted rod (4), and one large-area end of each limiting block faces upwards.

6. The geocell of composite geotextile of claim 5, wherein the positioning member (3) comprises a first half (31) and a second half (32), each of the first half (31) and the second half (32) comprising a vertical portion and a lateral portion at an upper end of the vertical portion;

the vertical part is a plate body, and the transverse parts of the first half part (31) and the second half part (32) are connected in a sliding way;

the inserted link (4) is arranged at the lower end of the first half (31) or the second half (32).

7. The geocell of the composite geotextile of claim 6, wherein the transverse portion of the first half (31) is the first transverse portion (311) and the transverse portion of the second half (32) is the second transverse portion;

the second transverse part is a plate body, sliding blocks (321) are symmetrically arranged on two sides of the plate body, the first transverse part (311) comprises side plates which are arranged in parallel, sliding grooves are formed in the side plates, and the sliding blocks (321) are in sliding connection with the sliding grooves.

8. The geocell of the composite geotextile according to claim 7, wherein the lower end of the second half part (32) is fixedly connected with the inserted link, and the lower end of the first half part (31) is fixedly provided with a clamping block (5);

the upper parts of the clamping blocks (5) and the inserted rods (4) are correspondingly provided with through slots.

9. The geocell of a composite geotextile of claim 8, wherein a plurality of tooth-like recesses are provided on the underside of the cross section two;

one side of the transverse part I (311) far away from the half part II (32) is provided with a clamping plate (6) corresponding to the groove.