CN219236399U

CN219236399U - High-strength composite polypropylene filament geotextile

Info

Publication number: CN219236399U
Application number: CN202320114883.3U
Authority: CN
Inventors: 冯忠超; 李树鹏; 杨剑
Original assignee: Shandong Jingchuang New Material Technology Co ltd; China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: Shandong Jingchuang New Material Technology Co ltd; China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-23
Anticipated expiration: 2033-01-17

Abstract

The utility model relates to a high-strength composite polypropylene filament geotextile, which comprises at least two layers of geotextiles, wherein a plurality of raised rib parts are arranged on the surface of a group of geotextiles positioned at the upper part, a cavity is formed in the raised rib parts, continuously distributed fiber bundles are filled in the cavity, and the geotextile positioned at the lower part and the geotextile positioned at the upper part are in composite connection into an integrated structure and seal the bottom surface of the cavity; the utility model has reasonable structural design, can realize the unidirectional structural strength enhancement according to the use place by adding the convex rib parts on the surface of the geotextile, and can also realize the structural strength enhancement of the product by utilizing the local thickness enhancement or smaller thickness variation by utilizing the grid fiber cloth to enhance the integral structural strength of the geotextile.

Description

High-strength composite polypropylene filament geotextile

Technical Field

The utility model relates to the technical field of geotextiles, in particular to a high-strength composite polypropylene filament geotextile.

Background

In the prior art, geotextile generally adopts a planar multilayer structure and is used as ground water resistance, reinforcement and protection, but the structure of the geotextile cannot meet the unidirectional or multidirectional structural strength requirement, and in some composite geotextile products, the composite grid layers are realized in the multilayer structure of the geotextile, so that the thickness of the product and the manufacturing cost of the product are increased, the use place of the product is limited, and the transportation and construction cost of engineering are increased.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide the high-strength composite polypropylene filament geotextile, which can increase the structural strength of the geotextile.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a high strength composite polypropylene filament geotechnique cloth, includes two-layer geotechnique cloth at least, its characterized in that: the geotextile composite structure is characterized in that a plurality of raised rib parts are arranged on the surface of a group of geotextiles positioned on the upper part, a cavity is formed in the raised rib parts, fiber bundles which are continuously distributed are filled in the cavity, and geotextiles positioned on the lower part are in composite connection with the geotextiles positioned on the upper part to form an integrated structure and seal the bottom surface of the cavity.

The inner wall of the convex rib part is also provided with a local reinforcing layer, and the local reinforcing layer adopts geotechnical cloth and is in composite connection with the inner wall of the convex rib part into an integrated structure.

The fiber bundle adopts a twisting structure composed of a plurality of strands.

The geotechnical cloth also comprises at least one integral reinforcing layer, wherein the integral reinforcing layer has the same size as the geotechnical cloth and is positioned between any two geotechnical cloth layers.

The whole enhancement layer adopts net fiber cloth structure, and whole enhancement layer surface is equipped with a plurality of rectangle space portions.

The convex rib parts are mutually parallel.

The fiber bundle is characterized by further comprising a point-shaped fixing part, wherein the point-shaped fixing part is positioned inside the convex rib part, and the point-shaped fixing part adopts an adhesive and connects the inner wall of the convex rib part with the fiber bundle.

At least one layer of geotextile adopts polypropylene filament geotextile.

The beneficial effects of the utility model are as follows: structural design is reasonable, through increase protruding muscle portion at geotechnique cloth surface, can realize the structural strength reinforcing of single direction according to the use place, utilizes net fiber cloth to increase geotechnique cloth holistic structural strength simultaneously, can utilize local thickness increase or less thickness variation to realize the structural strength increase of product like this, also can control product cost simultaneously.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a first embodiment.

Fig. 2 is a schematic diagram of a partial isometric structure according to a first embodiment.

Fig. 3 is an enlarged schematic view of a portion "a" in fig. 2.

Fig. 4 is a schematic structural view of the bottom surface of the upper geotextile.

Fig. 5 is a schematic partial sectional structure of the second embodiment.

FIG. 6 is a schematic structural diagram of an integral reinforcement layer according to a second embodiment.

In the figure: 100 geotextile bodies, 200 convex rib parts, 201 lower geotextile layers, 202 upper geotextile layers, 203 local reinforcing layers, 204 whole reinforcing layers, 205 rectangular gap parts, 300 point-shaped fixing parts and 400 fiber bundles.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Example 1

According to the figures 1 to 4: the embodiment provides a high-strength composite polypropylene filament geotextile, including geotextile body 100, geotextile body 100 is by the thermal composite shaping of lower floor's geotextile 201 and upper geotextile 202, wherein:

the lower geotextile 201 and the upper geotextile 202 are made of polypropylene filament geotextile, have high tensile strength, ultraviolet irradiation resistance, high temperature resistance and the like, have good water permeability, filtering property, durability and the like, and can be widely applied to projects such as railways, highways, stadiums, dykes, water conservancy construction, tunnels, coastal beaches, reclamation, environmental protection and the like;

the surface of the upper geotextile 202 is provided with a plurality of raised rib parts 200 which are arranged in an arched manner, the raised rib parts 200 are mutually parallel to each other, a cavity is formed in the raised rib parts 200, the cavity is filled with fiber bundles 400 which are continuously distributed, the fiber bundles 400 adopt a twisting structure which is formed by a plurality of strands, so that the integrity is strong, the fiber bundles are not easy to disperse and easy to construct, and the fiber bundles 400 can adopt glass fibers or carbon fibers and are used for increasing the internal structural strength of the raised rib parts 200;

further, a local reinforcing layer 203 is further provided on the inner wall of the rib portion 200, the local reinforcing layer 203 is also made of polypropylene filament geotextile, and is thermally compounded on the surface of the upper geotextile 202 in advance, the local reinforcing layer 203 is made of geotextile and is in compound connection with the inner wall of the rib portion 200 to form an integral structure, and for the production process of the rib portion 200, the surface of a press roll is generally adopted to be subjected to protruding press molding, so that the thickness and the local strength of the upper geotextile 202 in the area of the rib portion 200 are changed to a certain extent, and at this time, the initial thickness of the position can be increased through the local reinforcing layer 203, so that the product performance of the original upper geotextile 202 can be maintained after the rib portion 200 is molded;

further, point-shaped fixing parts 300 are further arranged in the convex rib part 200, the point-shaped fixing parts 300 are uniformly distributed at intervals along the length direction of the convex rib part 200, the point-shaped fixing parts 300 are made of adhesive, can be solidified into colloid, and are connected with the inner wall of the convex rib part 200 and the fiber bundles 400, so that the fiber bundles 400 can be pre-fixed, and cannot be separated from the upper geotextile 202 in the production process of the geotextile body 100;

the lower geotextile 201 and the upper geotextile 202 are thermally and compositely connected into an integral structure and seal the bottom surface of the cavity, so as to form the geotextile body 100.

Example two

According to fig. 5 and 6, it is shown that: the present embodiment provides a high-strength composite polypropylene filament geotextile, which includes a geotextile body 100, and is different from the first embodiment in that:

still be equipped with one deck global reinforcement layer 204 between lower floor's geotechnique cloth 201 and upper geotechnique cloth 202, global reinforcement layer 204 is the same with geotechnique cloth size, global reinforcement layer 204 adopts the net fiber cloth structure, global reinforcement layer 204 surface is equipped with a plurality of rectangle space portions 205, through the mutual fusion connection of the rectangle space portions 205 of global reinforcement layer 204 between lower floor's geotechnique cloth 201 and the upper geotechnique cloth 202, with global reinforcement layer 204 pre-buried in geotechnique cloth body 100 inside, through increasing global reinforcement layer 204, it has great promotion in performance index for the polypropylene filament of single material, makes the product be applicable to some special places of requiring high, special area use, has enlarged the application range such as novel polypropylene filament anticracking impervious cloth for the road.

The foregoing is only a preferred embodiment of the present utility model, and all that is required to achieve the object of the present utility model by substantially the same means is to fall within the scope of the present utility model.

Claims

1. The utility model provides a high strength composite polypropylene filament geotechnique cloth, includes two-layer geotechnique cloth at least, its characterized in that: the geotextile composite structure is characterized in that a plurality of raised rib parts are arranged on the surface of a group of geotextiles positioned on the upper part, a cavity is formed in the raised rib parts, fiber bundles which are continuously distributed are filled in the cavity, and geotextiles positioned on the lower part are in composite connection with the geotextiles positioned on the upper part to form an integrated structure and seal the bottom surface of the cavity.

2. The high strength composite polypropylene filament geotextile of claim 1, wherein: the inner wall of the convex rib part is also provided with a local reinforcing layer, and the local reinforcing layer adopts geotechnical cloth and is in composite connection with the inner wall of the convex rib part into an integrated structure.

3. The high strength composite polypropylene filament geotextile of claim 1, wherein: the fiber bundle adopts a twisting structure composed of a plurality of strands.

4. The high strength composite polypropylene filament geotextile of claim 1, wherein: the geotechnical cloth also comprises at least one integral reinforcing layer, wherein the integral reinforcing layer has the same size as the geotechnical cloth and is positioned between any two geotechnical cloth layers.

5. The high strength composite polypropylene filament geotextile of claim 4, wherein: the whole enhancement layer adopts net fiber cloth structure, and whole enhancement layer surface is equipped with a plurality of rectangle space portions.

6. The high strength composite polypropylene filament geotextile of claim 1, wherein: the convex rib parts are mutually parallel.

7. The high strength composite polypropylene filament geotextile of claim 1, wherein: the fiber bundle is characterized by further comprising a point-shaped fixing part, wherein the point-shaped fixing part is positioned inside the convex rib part, and the point-shaped fixing part adopts an adhesive and connects the inner wall of the convex rib part with the fiber bundle.

8. The high strength composite polypropylene filament geotextile of claim 1, wherein: at least one layer of geotextile adopts polypropylene filament geotextile.