CN207314274U

CN207314274U - Hydraulic engineering geomembrane

Info

Publication number: CN207314274U
Application number: CN201721409747.8U
Authority: CN
Inventors: 温少林; 杨明强; 李欣; 陈培然; 侯敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-27
Filing date: 2017-10-27
Publication date: 2018-05-04
Anticipated expiration: 2027-10-27

Abstract

The utility model discloses a kind of hydraulic engineering geomembrane, including geotechnological membrane body, geotechnique's membrane body includes the base membrane layer made of if dried layer nonwoven layer is folded, the first impervious barrier made of PE materials, the second impervious barrier made of low-density polyethylene material, the flame-retardant layer made of fire proofing, the conductive layer being spliced to form by conductive sheet, flame-retardant layer and the two sides of conductive layer in the direction of the width are flush setting, base membrane layer, the two sides of first impervious barrier and the second impervious barrier in the direction of the width are flush setting, the side broadside of flame-retardant layer is longer than the broadside of the base membrane layer on equidirectional, form bayonet part, the opposite side broadside of flame-retardant layer is shorter than the broadside of the base membrane layer on equidirectional, form the plug division to match with bayonet part.For the geomembrane of the utility model compared with traditional geomembrane, its waterproof, seepage control performance is good, and antistatic, tensile tear-resistant ability are strong, abrasion resistance is good, simple installation, quick, has saved manually.

Description

Hydraulic engineering geomembrane

Technical field

It the utility model is related to hydraulic engineering field, and in particular to a kind of hydraulic engineering geomembrane.

Background technology

Geomembrane is common a kind of material in waterproof, seepage control occasion, and existing geo-membrane material is insulating materials, thickness compared with Thin, more soft, in the production of geomembrane, geotechnological film strength becomes the major criterion of many manufacturing enterprises, part soil Easy tear occurs in work film in process of production, it is impossible to ensures the characteristic of long-time high intensity, have impact on the reality of geomembrane Using effect, meanwhile, the area of monolithic composite geo-membrane can not be made very big, and at present, common processing mode is to construct During, field polish processing is carried out to the both sides of composite geo-membrane using construction personnel, is then connected with binding material Fix, only this link, the time of construction personnel 30% or so can be expended in work progress at the scene, and since construction personnel exists It is difficult unified in precision of polishing, it is easy to which membrane body is caused to damage.

The content of the invention

The purpose of the utility model is to overcome deficiency of the prior art, there is provided a kind of waterproof, seepage control performance is good, antistatic, Tensile tear-resistant ability is strong, scratch-resistant performance is good, the hydraulic engineering geomembrane of service life length.

To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of hydraulic engineering geomembrane, the soil Work film includes geotechnological membrane body, if geotechnique's membrane body includes made of dried layer nonwoven layer is folded base membrane layer, by PE materials Manufactured first impervious barrier, made of low-density polyethylene material the second impervious barrier, made of fire proofing flame-retardant layer, by The conductive layer that conductive sheet is spliced to form, is fitted with first antiseepage on the upper surface of the base membrane layer successively along its thickness direction Layer, the flame-retardant layer, are fitted with second impervious barrier along its thickness direction on the lower surface of the base membrane layer, described lead successively Electric layer, the flame-retardant layer and the two sides of the conductive layer in the direction of the width are flush setting, the base membrane layer, described first Impervious barrier and the two sides of second impervious barrier in the direction of the width are flush setting, and the side broadside of the flame-retardant layer is longer than The broadside of the base membrane layer on its is equidirectional, forms bayonet part, the opposite side broadside of the flame-retardant layer be shorter than its it is equidirectional on The base membrane layer broadside, form the plug division to match with the bayonet part.

Preferably, the upper surface of the flame-retardant layer is also coated with the polyvinyl chloride layer of strata vinyl chloride formation, described poly- The thickness of pvdc layer is in 2~5mm.

Preferably, second impervious barrier and the conductive interlayer are additionally provided with some reinforcing ribs, the reinforcing rib be by Polyvinyl resin bar by thermoplastic, be molded or be bonded in what is formed on the lower surface of second impervious barrier.

It is further preferred that the reinforcing rib at least two, two reinforcing ribs are cross one another be distributed in it is described On two diagonal of the second impervious barrier lower surface.

Preferably, the base membrane layer includes the non-woven fabrics that two-layer laminate is set, and fibre is also filled between two layers of non-woven fabrics Tie up silk.

Due to the utilization of above-mentioned technical proposal, the hydraulic engineering geomembrane of the utility model has compared with prior art Following advantage：

1) by the way that base membrane layer is made by multi-layer nonwoven fabrics, and filament is added in adjacent interlayer, is effectively improved soil The ductility of work film, tensile strength higher；

2) by setting the first impervious barrier and the second impervious barrier, the waterproof, seepage control ability of geomembrane is effectively improved, together When by the second impervious barrier lower surface set reinforcing rib, not only increase geotechnological film strength, also add the resistance to of geomembrane Friction coefficient, plays the role of anti-skidding；

3) bayonet part and the plug division of mutual cooperation are set on geotechnological membrane body so that during geomembrane use, Splicing speed is fast, and splicing effect is good, has saved manually；

4) by setting conductive layer, can effectively be kept away by the electrostatic that geotechnological film surface produces by conductive layer quick release Exempt from that equipment and operating personnel are caused to perplex；

5) pvc material is coated in the upper surface of flame-retardant layer so that the physical property of geomembrane is more stable, at the same time Play enhancing anti-uv-ray.

Brief description of the drawings

Attached drawing 1 is the sectional view of geotechnological membrane body described in the utility model；

Attached drawing 2 is the sectional view of base membrane layer in geotechnological membrane body described in the utility model；

Wherein：100th, geotechnological membrane body；1st, base membrane layer；2nd, the first impervious barrier；3rd, the second impervious barrier；4th, flame-retardant layer；5th, lead Electric layer；6th, polyvinyl chloride layer；7th, bayonet part；8th, plug division；9th, reinforcing rib；11st, non-woven fabrics；12nd, filament.

Embodiment

The technical solution of the utility model is further elaborated below in conjunction with the accompanying drawings.

A kind of hydraulic engineering geomembrane, the geomembrane include geotechnological membrane body 100.It is shown in Figure 1, the geomembrane sheet Body 100 include made of if dried layer non-woven fabrics 11 is laminated base membrane layer 1, made of PE materials the first impervious barrier 2, by low-density Second impervious barrier 3, flame-retardant layer 4, the conductive layer being spliced to form by conductive sheet made of fire proofing made of polythene material 5, the first impervious barrier 2, flame-retardant layer 4 are fitted with successively along its thickness direction on the upper surface of the base membrane layer 1, under the base membrane layer 1 The second impervious barrier 3, conductive layer 5 are fitted with successively along its thickness direction on surface., can be by geomembrane table by setting conductive layer 5 The electrostatic that face produces effectively avoids and equipment and operating personnel is caused to perplex by 5 quick release of conductive layer.

Here, shown in Figure 1, flame-retardant layer 4 and the two sides of conductive layer 5 in the direction of the width are flush setting, basement membrane Layer the 1, first impervious barrier 2 and the second impervious barrier 3 two sides in the direction of the width are flush setting, and the side of flame-retardant layer 4 is wide The broadside of base membrane layer 1 of the length of side on its is equidirectional, so as to form bayonet part 7, the opposite side broadside of flame-retardant layer 4 is shorter than its Tongfang The broadside of upward base membrane layer 1, forms the plug division 8 to match with bayonet part 7.By setting 7 He of bayonet part to cooperate Plug division 8 so that geomembrane in the construction process, only need to be by adjacent thereto another of the bayonet part 7 on one piece of geotechnological membrane body 100 Plug division 8 on outer one piece geotechnological membrane body 100 fastens, you can realizes the splicing of two pieces of geomembranes, splicing speed is fast, efficiency Height, greatlys save manually, improves project progress.

It is shown in Figure 1 in this example, the polychlorostyrene second of strata vinyl chloride formation is also coated with the upper surface of flame-retardant layer 4 Alkene layer 6, the thickness of the polyvinyl chloride layer 6 is in 2~5mm.By coating polyvinyl chloride so that the physical property of geomembrane is more steady It is fixed, while the anti-uv-ray of geomembrane is enhanced, overcome the problem of traditional geomembrane accommodative ability of environment is poor.

In this example, some reinforcing ribs 9 are additionally provided between the second impervious barrier 3 and conductive layer 5, which is by poly- second Olefine resin bar by thermoplastic, be molded or be bonded in what is formed on the lower surface of the second impervious barrier 3, by setting reinforcing rib 9 not only Improve the tensile strength of geomembrane, moreover it is possible to improve the friction coefficient of geomembrane, prevent geomembrane from roll-off occurs.Here, The reinforcing rib 9 at least two, cross one another be distributed in 3 lower surface of the second impervious barrier two of this two reinforcing ribs 9 are diagonal On line.

Shown in Figure 2 in this example, the base membrane layer 1 in geotechnique's membrane body 100 includes the non-woven fabrics that two-layer laminate is set 11, filament 12 is also filled between the two-layer nonwoven 11, by fiberfill fibers silk 12, is effectively improved the tension of geomembrane Intensity and tear-resistant intensity.

To sum up shown, the geomembrane of the utility model, by setting base membrane layer 1 made of multi-layer nonwoven fabrics 11, improves The tensile strength of geomembrane and tear-resistant intensity, by setting conductive layer 5, effectively by electrostatic quick release, and by The lower surface of two impervious barriers 3 sets reinforcing rib 9, not only increases the tensile strength of geomembrane, moreover it is possible to it is resistance to play raising geomembrane The effect of coefficient is ground, and polyvinyl chloride is coated in 4 upper surface of flame-retardant layer, it is possible to increase the anti-uv-ray of geomembrane, and carry The physical property of high geomembrane, by setting two layers of impervious barrier, is effectively improved the waterproof, seepage control ability of geomembrane.

Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims

1. a kind of hydraulic engineering geomembrane, it is characterised in that the geomembrane includes geotechnological membrane body, geotechnique's membrane body If base membrane layer made of including being folded by dried layer nonwoven layer, made of PE materials the first impervious barrier, by low density polyethylene (LDPE) material Second impervious barrier, flame-retardant layer, the conductive layer being spliced to form by conductive sheet made of fire proofing, the base membrane layer made of material Upper surface on along its thickness direction be fitted with first impervious barrier, the flame-retardant layer, the lower surface of the base membrane layer successively On along its thickness direction be fitted with second impervious barrier, the conductive layer successively, the flame-retardant layer is with the conductive layer in width Two sides on degree direction are flush settings, and the base membrane layer, first impervious barrier and second impervious barrier are in width side Upward two sides are flush setting, the side broadside of the flame-retardant layer be longer than its it is equidirectional on the base membrane layer broadside, Form bayonet part, the opposite side broadside of the flame-retardant layer be shorter than its it is equidirectional on the base membrane layer broadside, formed with it is described The plug division that bayonet part matches.

2. geomembrane according to claim 1, it is characterised in that the upper surface of the flame-retardant layer is also coated with a strata chlorine The polyvinyl chloride layer that ethene is formed, the thickness of the polyvinyl chloride layer is in 2~5mm.

3. geomembrane according to claim 1, it is characterised in that second impervious barrier is also set up with the conductive interlayer Have some reinforcing ribs, the reinforcing rib be by polyvinyl resin bar by thermoplastic, be molded or be bonded in second impervious barrier Formed on lower surface.

4. geomembrane according to claim 3, it is characterised in that the reinforcing rib at least two, two reinforcements On cross one another two diagonal for being distributed in the second impervious barrier lower surface of muscle.

5. geomembrane according to claim 1, it is characterised in that the base membrane layer includes the nonwoven that two-layer laminate is set Cloth, is also filled with filament between two layers of non-woven fabrics.