CN211542642U

CN211542642U - Multi-structure geomembrane for civil engineering

Info

Publication number: CN211542642U
Application number: CN201922153431.2U
Authority: CN
Inventors: 何琼
Original assignee: Chengdu Vocational College of Agricultural Science and Technology
Current assignee: Chengdu Vocational College of Agricultural Science and Technology
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-22
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a multi-structure geomembrane for civil engineering relates to civil engineering technical field, including the diaphragm body, the diaphragm body superposes in proper order and is provided with the skid resistant course, fire-retardant layer, the barrier layer, anti-tear layer, one side of diaphragm body length direction is provided with dovetail block I, another avris of diaphragm body length direction is provided with dovetail I, one side of diaphragm body width direction is provided with dovetail block II, another avris of diaphragm body width direction is provided with dovetail II, dovetail block I and dovetail I correspond the matching each other, dovetail block II and dovetail II correspond the matching each other, the utility model discloses reached and made things convenient for concatenation between the monolithic geomembrane, and when bonding between the butt seam, can not take place the dislocation between the diaphragm body and remove and influence the bonding to avoid causing certain damage to the diaphragm body, improved the effect of efficiency of construction.

Description

Multi-structure geomembrane for civil engineering

Technical Field

The utility model relates to a civil engineering technical field especially relates to multi-structure geomembrane for civil engineering.

Background

The geomembrane is a geotechnical anti-seepage material which is compounded by a plastic film serving as an anti-seepage base material and non-woven fabrics, the anti-seepage performance of the geomembrane mainly depends on the anti-seepage performance of the plastic film, and the geomembrane is a waterproof barrier material which takes a high molecular polymer as a basic raw material.

The main mechanism of the geomembrane is that the water leakage channel of the earth dam is separated by the impermeability of the plastic film, and the geomembrane bears the water pressure and adapts to the deformation of the dam body by the larger tensile strength and elongation rate; the non-woven fabric is also a high-molecular short fiber chemical material, is formed by needling or hot bonding, has higher tensile strength and extensibility, and not only increases the tensile strength and puncture resistance of the plastic film after being combined with the plastic film, but also increases the friction coefficient of a contact surface due to the rough surface of the non-woven fabric, thereby being beneficial to the stability of a composite geomembrane and a protective layer.

The existing geomembranes are similar in structure basically, the technology in the aspects of seepage prevention, tear resistance and the like is mature in area, however, the area of a single geomembrane cannot be large enough, mutual splicing is often needed, when side seams are bonded, dislocation movement is often easy to occur, bonding is affected, certain damage can be caused to a membrane body, and the efficiency of site construction is greatly affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome at present because of the area of monolithic geomembrane can't be done enough big, often need carry out concatenation each other, when bonding between the opposite side seam, often take place the dislocation removal easily, influence the bonding, not only probably cause certain damage to the membrane body, and very influence the shortcoming of the efficiency of site operation, the to-be-solved technical problem of the utility model is to provide a make things convenient for concatenation between the monolithic geomembrane, and when bonding between the opposite side seam, can not take place the dislocation removal between the membrane body and influence the bonding to avoid causing certain damage to the membrane body, improved the efficiency of construction's multi-structure geomembrane for civil engineering.

In order to solve the technical problem, the utility model provides such multi-structure geomembrane for civil engineering, including the membrane body, the membrane body superposes in proper order and is provided with skid resistant course, fire-retardant layer, barrier layer, anti-tear layer, one side of membrane body length direction is provided with dovetail piece I, another avris of membrane body length direction is provided with dovetail I, one side of membrane body width direction is provided with dovetail piece II, another avris of membrane body width direction is provided with dovetail II, dovetail piece I with dovetail I corresponds the matching each other, dovetail piece II with dovetail II corresponds the matching each other.

Preferably, the lower surface of the anti-skid layer is bonded with the upper surface of the flame-retardant layer, the lower surface of the flame-retardant layer is bonded with the upper surface of the impermeable layer, and the lower surface of the impermeable layer is bonded with the upper surface of the anti-tear layer.

Preferably, the outer surface of the anti-slip layer and the outer surface of the anti-tear layer are both provided with circular grooves, and the surfaces of the circular grooves are provided with anti-corrosion layers.

Preferably, the flame retardant layer contains a flame retardant, the surface of the antiskid layer is provided with a warning film, the anti-tear layer is formed by weaving a plurality of groups of fiber yarns, and each group of fiber yarns comprises at least three strands of fibers.

Advantageous effects

The utility model discloses reached and made things convenient for concatenation between the monolithic geomembrane, and when bonding between the butt seam, can not take place dislocation between the membrane body and remove and influence the bonding to avoid causing certain damage to the membrane body, improved the effect of efficiency of construction.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the multi-structure geomembrane for civil engineering of the present invention;

fig. 2 is an external structural view of a single membrane body of the multi-structural geomembrane for civil engineering of the present invention;

fig. 3 is a schematic structural view of the multi-structural geomembrane for civil engineering of the present invention before splicing a plurality of single membrane bodies;

fig. 4 is the structure schematic diagram of the multi-structure geomembrane for civil engineering after a plurality of single membrane bodies are spliced.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

Multi-structure geomembrane for civil engineering, as shown in fig. 1-4, including the membrane body 100, the membrane body 100 superposes in proper order and is provided with skid resistant course 101, fire-retardant layer 102, barrier layer 103, anti-tear layer 104, one side of membrane body 100 length direction is provided with dovetail block I107, another side of membrane body 100 length direction is provided with dovetail I108, one side of membrane body 100 width direction is provided with dovetail block II 109, another side of membrane body 100 width direction is provided with dovetail II 110, dovetail block I107 with dovetail I108 matches each other correspondingly, dovetail block II 109 with dovetail II 110 matches each other correspondingly.

The lower surface of the anti-skid layer 101 is bonded with the upper surface of the flame-retardant layer 102, the lower surface of the flame-retardant layer 102 is bonded with the upper surface of the impermeable layer 103, and the lower surface of the impermeable layer 103 is bonded with the upper surface of the anti-tear layer 104.

The outer surface of the anti-slip layer 101 and the outer surface of the anti-tear layer 104 are both provided with circular grooves 106, and the surfaces of the circular grooves 106 are provided with anti-corrosion layers 105.

The flame retardant layer 102 contains a flame retardant, the surface of the anti-skid layer 101 is provided with a warning film, the anti-tear layer 104 is formed by weaving multiple groups of fiber yarns, and each group of fiber yarns contains at least three strands of fibers.

The working principle is as follows: the multi-structure geomembrane for civil engineering is characterized in that a flame retardant layer 102 contains a flame retardant and can lighten or prevent the combustion process of a membrane body 100, an impermeable layer 103 is arranged to improve the impermeable performance of the membrane body 100, an anti-tear layer 104 is woven by a plurality of groups of fiber yarns, each group of fiber yarns comprises a plurality of strands of fibers, the tensile and tear resistant performance of the membrane body 100 is greatly improved, a circular groove 106 arranged on the outer surfaces of an anti-slip layer 101 and the anti-tear layer 104 increases the contact area of the membrane body 100 and a contact object, so that the lamination is more compact, meanwhile, the anti-corrosion performance of the membrane body 100 is enhanced by the arrangement of an anti-corrosion layer 105, when a single membrane body 100 cannot meet the laying requirement, the plurality of membrane bodies 100 need to be effectively spliced, the dovetail blocks I107 and dovetail grooves I108 can be clamped and connected in the length direction, and the dovetail blocks II 109 and dovetail grooves II 110 can be clamped and connected in the width direction, then effectively bond junction and joint department to avoided directly bonding between single film body 100, can make when bonding, film body 100 probably takes place the dislocation and removes, and then influences the bonding, not only probably causes certain damage to the film body, still can influence site operation efficiency.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. Multi-structure geomembrane for civil engineering, including the membrane body (100), the membrane body (100) superpose in proper order and be provided with skid resistant course (101), fire-retardant layer (102), barrier layer (103), anti-tear layer (104), its characterized in that, one side of membrane body (100) length direction is provided with dovetail piece I (107), another avris of membrane body (100) length direction is provided with dovetail I (108), one side of membrane body (100) width direction is provided with dovetail piece II (109), another avris of membrane body (100) width direction is provided with dovetail II (110), dovetail piece I (107) with dovetail I (108) match that corresponds each other, dovetail piece II (109) with dovetail II (110) match that corresponds each other.

2. The multi-structural geomembrane for civil engineering use according to claim 1, wherein a lower surface of said anti-slip layer (101) is bonded to an upper surface of said fire retardant layer (102), a lower surface of said fire retardant layer (102) is bonded to an upper surface of said barrier layer (103), and a lower surface of said barrier layer (103) is bonded to an upper surface of said tear-resistant layer (104).

3. The multi-structural geomembrane for civil engineering use according to claim 1, wherein the outer surface of said anti-slip layer (101) and the outer surface of said tear-resistant layer (104) are each provided with a circular groove (106), and the surface of said circular groove (106) is provided with a corrosion-resistant layer (105).

4. The multi-structural geomembrane for civil engineering use according to claim 1, wherein said flame retardant layer (102) contains a flame retardant, said non-slip layer (101) is provided with a warning film on its surface, and said tear-resistant layer (104) is woven from a plurality of groups of fiber filaments, each group of fiber filaments comprising at least three strands of fibers.