CN210100948U

CN210100948U - Friction type geotextile with ground grabbing structure

Info

Publication number: CN210100948U
Application number: CN201920810734.4U
Authority: CN
Inventors: 朱卫良; 毛森敏; 王成庆; 陆松燕; 陆松娟
Original assignee: Hangzhou Shenlian Baoplastic Industry Co Ltd
Current assignee: Hangzhou Shenlian Baoplastic Industry Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-21
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a friction type geotechnological cloth with grab ground structure, including geotechnological cloth layer, geotechnological cloth layer adopts the polyester way to solidify directly to make through spinning acupuncture by polyester filament geotechnological cloth, the bottom sewing on geotechnological cloth layer is connected with the tensile layer to the bottom sewing on tensile layer is connected with grabs the additional layer, the top sewing on geotechnological cloth layer is connected with anti ultraviolet layer, it includes basic unit and articulamentum to grab the additional layer, the utility model relates to a geotechnological cloth technical field. This friction type geotechnological cloth with grab ground structure is connected with the tensile layer through the bottom sewing on geotechnological cloth layer, and the bottom sewing on tensile layer is connected with grabs the additional layer, and the top sewing on geotechnological cloth layer is connected with the anti ultraviolet layer, and the tensile strength of tensile layer reinforcing geotechnological cloth grabs the additional layer and improves the adhesion property to the geotechnological cloth of being convenient for lays on inclined plane and remain stable, improves the anti ultraviolet performance of geotechnological cloth through setting up on anti ultraviolet layer, avoids geotechnological cloth to age too fast.

Description

Friction type geotextile with ground grabbing structure

Technical Field

The utility model relates to a geotechnological cloth technical field specifically is a friction type geotechnological cloth with grab ground structure.

Background

The geotextile, also called geotextile, it is a permeable geosynthetic material that is made by synthetic fiber through needling or weaving, the geotextile is one of the new material geosynthetic material, the finished product is the cloth form, the geotextile is divided into woven geotextile and non-woven filament geotextile, it has high strength, because use the plastic fiber, can keep abundant strength and elongation under the dry and wet state, corrosion-resistant, can resist corrosion for a long time in soil and water of different pH values, the permeability is good, there are gaps among the fibers, so have good water permeability, the microbiological resistance is good, it is harmless to microorganism and worm, the construction is convenient, because the material is light and soft, so transport, lay and some good characteristics such as the construction convenience, widely used in geotechnical engineering such as water conservancy, electric power, mine, highway and railway, etc..

The geotextile mainly plays roles of filtering, draining, isolating, reinforcing and protecting in civil engineering, and in the prior art, the commonly used geotextile has a single structure and low tensile strength, and the geotextile is easy to slide relative to surrounding media due to small friction force during use, so that the geotextile is not beneficial to laying and maintaining stability of an inclined plane, and the geotextile is easy to age due to ultraviolet irradiation when the construction period is long.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a friction type geotechnological cloth with grab ground structure has solved among the prior art geotechnological cloth structure single tensile property low, grabs to attach the problem that the ability difference is unfavorable for laying on slope fixed and easily receive ultraviolet irradiation ageing.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a friction type geotechnological cloth with grab ground structure, includes geotechnological cloth layer, geotechnological cloth layer adopts the polyester method to solidify directly through spinning acupuncture by polyester filament geotechnological cloth and makes, the bottom sewing on geotechnological cloth layer is connected with the tensile layer to the bottom sewing on tensile layer is connected with grabs the additional layer, the top sewing on geotechnological cloth layer is connected with anti ultraviolet layer, it includes basic unit and articulamentum to grab the additional layer, the articulamentum sets up the bottom at the basic unit to the sewing is connected between articulamentum and the basic unit, the bottom of articulamentum is provided with grabs the additional silk to the surface of grabbing the additional silk is provided with.

Preferably, the tensile layer comprises warp yarns, weft yarns and oblique yarns, the warp yarns and the weft yarns are interwoven, and the joints of the warp yarns and the weft yarns are twisted with the oblique yarns.

Preferably, the specification of the gaps formed by the warp yarns and the weft yarns is not less than 2mm by 2 mm.

Preferably, the grabbing layer is made of polylactic acid, and the grabbing filaments and the separating filaments are subjected to blow molding.

Preferably, the tensile layer is formed by compounding polypropylene fibers, polyester fibers and polyamide synthetic fibers.

Preferably, the thickness of the connecting layer is 0.3mm-0.5mm, and the straightening length of the grappling filament is not more than 0.5 mm.

Advantageous effects

The utility model provides a friction type geotechnique's cloth with grab ground structure. Compared with the prior art, the method has the following beneficial effects:

(1) this friction type geotechnological cloth with grab ground structure, bottom sewing through geotechnological cloth layer is connected with the tensile layer, and the bottom sewing of tensile layer is connected with grabs the additional layer, the top sewing of geotechnological cloth layer is connected with anti ultraviolet layer, it includes basic unit and articulamentum to grab the additional layer, the articulamentum sets up the bottom at the basic unit, and sewing connection between articulamentum and the basic unit, the bottom of articulamentum is provided with grabs attaches the silk, and the surface of grabbing attaches the silk is provided with the branch silk, the tensile strength of tensile layer reinforcing geotechnological cloth, it improves the adhesion property of geotechnological cloth to grab the additional layer, thereby be convenient for geotechnological cloth laying and remain stable on inclined plane, the anti ultraviolet performance of geotechnological cloth is improved through.

(2) The friction type geotextile with the ground-grabbing structure comprises warp yarns, weft yarns and oblique yarns through a tensile layer, the warp yarns and the weft yarns are interwoven, the joint of the warp yarns and the weft yarns is twisted and woven with the oblique yarns, the specification of a gap formed by the warp yarns and the weft yarns is not less than 2mm x 2mm, the grabbing layer is made of polylactic acid, the grabbing yarns and the separating yarns are formed through blow molding, the tensile layer is formed by compounding polypropylene fibers, terylene and nylon synthetic fibers, the thickness of a connecting layer is 0.3mm-0.5mm, the straightening length of the grabbing yarns is not more than 0.5mm, the polylactic acid is made into lactic acid through fermentation by using a starch raw material extracted from renewable plant resources (such as corn) and is converted into the polylactic acid through high-molecular synthesis, the polylactic acid has excellent biodegradability, can be completely degraded by 100% in soil in one year after being abandoned, carbon dioxide and water are generated, and no pollution is generated to the environment, and the polylactic acid is suitable for various processing methods such as blow molding, injection molding and the like, and is convenient to process.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural view of the tensile layer of the present invention;

fig. 3 is a schematic structural view of the adhesion layer of the present invention.

In the figure: 1-geotextile layer, 2-tensile layer, 21-warp yarn, 22-weft yarn, 23-oblique yarn, 3-adhesion layer, 31-base layer, 32-connecting layer, 33-adhesion yarn, 34-yarn separation and 4-uvioresistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a friction type geotextile with a ground grabbing structure comprises a geotextile layer 1, wherein the geotextile layer 1 is directly made of polyester filament geotextile by adopting a polyester method through spinning and needling consolidation, a tensile layer 2 is connected to the bottom of the geotextile layer 1 in a sewing way, the tensile layer 2 is formed by compounding polypropylene fibers, polyester fibers and polyamide synthetic fibers, the tensile layer 2 comprises warp yarns 21, weft yarns 22 and oblique yarns 23, the warp yarns 21 and the weft yarns 22 are woven in a staggered way, the joint of the warp yarns 21 and the weft yarns 22 is twisted and woven with the oblique yarns 23, the specification of a gap formed by the warp yarns 21 and the weft yarns 22 is not less than 2mm and 2mm, the water seepage performance of the geotextile is ensured by the larger gap, the bottom of the tensile layer 2 is connected with a grabbing layer 3 in a sewing way, the grabbing layer 3 is made of polylactic acid, the polylactic acid is prepared from starch raw materials extracted from renewable plant resources (such as corn) through a fermentation process, and is converted into polylactic acid through high molecular synthesis, it has excellent biodegradability, can be completely degraded by microorganisms in soil by 100 percent in one year after being abandoned to generate carbon dioxide and water, no pollution to the environment, and the polylactic acid is suitable for various processing methods such as blow molding, injection molding and the like, is convenient to process, the grabbing and attaching wires 33 and the dividing wires 34 are molded by blow molding, the ultraviolet-resistant layer 4 is connected with the top of the geotextile layer 1 by sewing, all layers are connected by sewing, the manufacturing and processing process is simple, the grabbing and attaching layer 3 comprises a base layer 31 and a connecting layer 32, the connecting layer 32 is arranged at the bottom of the base layer 31, the connecting layer 32 is connected with the base layer 31 by sewing, the bottom of the connecting layer 32 is provided with a grabbing wire 33, the grabbing wire 33 is irregularly coiled, the surface of the grabbing wire 33 is provided with a dividing wire 34, the thickness of the connecting layer 32 is 0.3mm-0.5mm, and the length of straightening of the grabbing wire 33 is not more than 0.5mm, and the length of the grabbing wire 33 should be prevented from being too long to cause the thickness of the cloth to be increased too much.

During the use, lay geotechnological cloth when the inclined plane, because the spiral grab attaches silk 33 and has extremely strong grabbing to earth and attach the performance and improve geotechnological cloth's whole adhesion effect, avoid geotechnological cloth laying process the phenomenon that slides to appear, improve geotechnological cloth stability of laying on the inclined plane, the tensile layer then provides stronger tensile property for geotechnological cloth, avoid geotechnological cloth tearing condition to appear in laying process, ultraviolet resistance layer absorbs and reflection ultraviolet ray, reduce the influence of ultraviolet ray to geotechnological cloth, slow down geotechnological cloth's ageing progress.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A friction type geotextile with a ground grabbing structure comprises a geotextile layer (1), wherein the geotextile layer (1) is directly made of polyester filament geotextile by adopting a polyester method through spinning and needling consolidation, and is characterized in that: the bottom sewing of geotechnique's cloth layer (1) is connected with tensile layer (2) to the bottom sewing of tensile layer (2) is connected with grabs attaches layer (3), the top sewing of geotechnique's cloth layer (1) is connected with anti ultraviolet layer (4), it includes basic unit (31) and articulamentum (32) to grab attaches layer (3), articulamentum (32) set up the bottom at basic unit (31) to the sewing is connected between articulamentum (32) and basic unit (31), the bottom of articulamentum (32) is provided with grabs attaches silk (33) to the surface of grabbing to attach silk (33) is provided with branch silk (34).

2. A frictional geotextile with a grip structure in accordance with claim 1, wherein: the tensile layer (2) comprises warp yarns (21), weft yarns (22) and oblique yarns (23), the warp yarns (21) and the weft yarns (22) are interwoven, and the joint of the warp yarns (21) and the weft yarns (22) is twisted with the oblique yarns (23).

3. A frictional geotextile with a grip structure in accordance with claim 2, wherein: the size of the gap formed by the warp yarns (21) and the weft yarns (22) is not less than 2mm x 2 mm.

4. A frictional geotextile with a grip structure in accordance with claim 1, wherein: the grabbing layer (3) is made of polylactic acid, and the grabbing wires (33) and the separating wires (34) are formed through blow molding.

5. A frictional geotextile with a grip structure in accordance with claim 1, wherein: the tensile layer (2) is formed by compounding polypropylene fibers, terylene and nylon synthetic fibers.

6. A frictional geotextile with a grip structure in accordance with claim 1, wherein: the thickness of the connecting layer (32) is 0.3mm-0.5mm, and the straightening length of the grabbing and attaching wire (33) is not more than 0.5 mm.