CN214266856U

CN214266856U - Composite geotextile

Info

Publication number: CN214266856U
Application number: CN202023235925.4U
Authority: CN
Inventors: 郭强
Original assignee: Chongqing Gaoshuo New Material Co ltd
Current assignee: Chongqing Gaoshuo New Material Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-24
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a composite geotextile, which comprises non-woven fabric layers arranged at two ends, wherein a filling layer, an impermeable layer and a bonding layer are sequentially arranged between the non-woven fabrics at the two ends from top to bottom; the water guide bulge is arranged on the waterproof membrane in the structure, so that water seepage is facilitated and timely drained through the waterproof bulge, and the tensile strength of the waterproof membrane is enhanced; and be provided with the non-woven fabrics on filling layer and top layer in the water guide arch for little sand and soil granule passes through the filling layer and filters the isolation when using, has guaranteed the promptness of drainage, and has adopted on the filling layer to have the fabric, through the combination that has fabric and non-woven fabrics, has further improved tensile strength, has improved the utility model discloses a life.

Description

Composite geotextile

Technical Field

The utility model relates to a geotechnique's cloth technical field, concretely relates to compound geotechnological cloth.

Background

Geotextiles, also called geotextiles, are widely applied to civil engineering of water conservancy, highways, buildings and the like, and waterproof geotextiles which are used for isolation and seepage prevention are widely applied to water conservancy engineering in geotextile types.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a compound geotechnological cloth to improve geotechnological cloth's structural strength, promote drainage ability.

In order to achieve the purpose, the utility model provides a composite geotextile, which comprises non-woven fabric layers arranged at two ends, wherein a filling layer, an impermeable layer and a bonding layer are sequentially arranged between the non-woven fabrics at the two ends from top to bottom; the filling layer is including the fabric, the barrier layer includes the waterproof membrane, and the interval is provided with a plurality of water guide archs on the top surface of waterproof membrane, the water guide is protruding to extend along the extending direction of waterproof membrane, the tie coat includes the adhesive film, is the matte respectively on the both sides face of this adhesive film, is provided with the binder respectively on the matte.

Preferably, a bonding stripe is processed along the extending direction of the water guide protrusion.

Preferably, a plurality of water guide fractures are further processed on the water guide bulge.

Preferably, the nonwoven fabric at the bottom layer is a polypropylene nonwoven fabric.

Preferably, the woven fabric is submerged in the water guide protrusion.

Preferably, the thickness of the filling layer is 0.2-0.6cm, and the thickness of the waterproof film ranges from 0.1-0.3 cm.

The beneficial effects of the utility model are embodied in: the utility model is structurally provided with the water guide bulge on the waterproof membrane, thereby facilitating the seepage water to be discharged in time on one hand and enhancing the tensile strength of the waterproof membrane on the other hand; and be provided with the non-woven fabrics on filling layer and top layer in the water guide arch for little sand and soil granule passes through the filling layer and filters the isolation when using, has guaranteed the promptness of drainage, and has adopted on the filling layer to have the fabric, through the combination that has fabric and non-woven fabrics, has further improved tensile strength, has improved the utility model discloses a life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a cross-sectional structural view of a composite geotextile according to an embodiment of the present invention;

fig. 2 is a structural diagram of the middle waterproof membrane of the present invention.

In the figure, a non-woven fabric layer 1, a polypropylene non-woven fabric 11, a woven fabric 2, a waterproof film 3, a water guide bulge 31, an adhesive stripe 311, a water guide fracture 32, an adhesive film 4 and a hair side 41 are arranged.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-2, an embodiment of the present invention is a composite geotextile, comprising a nonwoven fabric layer 1 disposed at both ends, and a filling layer, an impermeable layer and a bonding layer sequentially disposed between the nonwoven fabrics at both ends from top to bottom; the filling layer comprises a textile 2, the thickness of the textile 2 is 0.57cm, the impermeable layer comprises a waterproof membrane 3, the thickness of the waterproof membrane 3 is 0.24cm, a plurality of water guide bulges 31 are arranged on the top surface of the waterproof membrane 3 at intervals, the thickness of the water guide bulges 31 is 0.47cm, the water guide bulges 31 extend along the extending direction of the waterproof membrane 3, each water guide bulge 31 is processed with a water guide fracture 32 in the extending direction, the bonding layer comprises a bonding film 4, two side surfaces of the bonding film are respectively provided with a rough surface 41, the rough surfaces 41 are respectively provided with a bonding agent, a polypropylene non-woven fabric 11 at the bottom layer is bonded on the bonding layer through the bonding agent, the impermeable performance of the waterproof membrane 3 is further improved through the use of the bonding film 4, the surface close to one side of the water guide bulges 31 is an upper surface, and the water is conveniently and timely discharged through the waterproof bulges on the waterproof membrane 3, on the other hand, the tensile strength of the waterproof membrane 3 is enhanced; and be provided with the non-woven fabrics on filling layer and top layer on water guide arch 31 for little sand and soil granule passes through the filling layer and filters the isolation when using, has guaranteed the promptness of drainage, and has adopted on the filling layer to have fabric 2, through the combination that has fabric 2 and non-woven fabrics, has further improved tensile strength, has improved the utility model discloses a life.

The thickness of the waterproof membrane 3 is selected in the embodiment, so that the raw material is saved to the greatest extent under the condition that the waterproof membrane has enough tensile strength, the cost is saved, and the tensile strength of the waterproof membrane is improved due to the selection of the thickness of the water guide bulge 31.

Preferably, the bonding stripe 311 is processed along the extending direction of the water guide protrusion 31, so that the connection tightness of the filling layer is improved, and the connection strength is improved.

Preferably, a plurality of water guide fractures 32 are further processed on the water guide protrusion 31, the water guide fractures 32 realize intercommunication in each water guide area, the water guide efficiency is improved, and the waterproof membrane 3 is softer and convenient to store in a fracture mode.

Preferably, the nonwoven fabric at the bottom layer is a polypropylene nonwoven fabric 11, and the waterproof film 3 is made of HDPE.

Preferably, the woven fabric 2 is submerged in the water guide protrusion 31, and fine particles in seepage water are filtered by the woven fabric 2, so that the water guide performance of the water guide protrusion 31 is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a compound geotechnological cloth, includes the non-woven fabrics layer that both ends set up, its characterized in that: a filling layer, an impermeable layer and a bonding layer are sequentially arranged between the non-woven fabrics at the two ends from top to bottom; the filling layer is including the fabric, the barrier layer includes the waterproof membrane, and the interval is provided with a plurality of water guide archs on the top surface of waterproof membrane, the water guide is protruding to extend along the extending direction of waterproof membrane, the tie coat includes the adhesive film, is the matte respectively on the both sides face of this adhesive film, is provided with the binder respectively on the matte.

2. The composite geotextile of claim 1, wherein: and bonding stripes are processed along the extending direction of the water guide bulges.

3. The composite geotextile of claim 1, wherein: and a plurality of water guide fractures are also processed on the water guide bulge.

4. The composite geotextile of claim 1, wherein: the non-woven fabric at the bottommost layer is a polypropylene non-woven fabric.

5. The composite geotextile of claim 1, wherein: the woven fabric is submerged in the water guide bulge.

6. The composite geotextile of claim 1, wherein: the thickness of the filling layer is 0.2-0.6cm, and the thickness range of the waterproof film is 0.1-0.3 cm.