CN207657326U - Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane - Google Patents
Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane Download PDFInfo
- Publication number
- CN207657326U CN207657326U CN201721540412.XU CN201721540412U CN207657326U CN 207657326 U CN207657326 U CN 207657326U CN 201721540412 U CN201721540412 U CN 201721540412U CN 207657326 U CN207657326 U CN 207657326U
- Authority
- CN
- China
- Prior art keywords
- cloth
- high temperature
- geotextiles
- membrane
- geomembrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model is related to a kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membranes.The purpose of this utility model is to provide a kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane, is damaged caused by internal structure with reducing or eliminating outer coolant-temperature gage, external water pressure, air pressure etc., it is ensured that construction safety and quality.The technical solution of the utility model is：A kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane, it is characterised in that：It is made of two layers of geomembrane, two layers of geotextiles and a strata tetrafluoroethene high temperature cloth.The composite geo-membrane has polyester filament geotextiles, polyester filament geotextiles one side adheres to high-density polyethylene geomembrane successively and the polytetrafluoroethylene (PTFE) high temperature cloth, the polyester filament geotextiles another side adhere to ethylene/vinyl acetate copolymer geomembrane and terylene short fiber needle-punched geotextiles successively.The utility model is suitable for three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane.
Description
Technical field
The utility model is related to a kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membranes.Suitable for water conservancy and hydropower
The Underwater Engineering such as engineering, river, harbour.
Background technology
Geomembrane using plastic film as antiseepage base material, with it is non-woven fabric compounded made of seepage by geo-textile material, its antiseepage
Performance depends primarily on the barrier performance of plastic film.Currently, the plastic film of correlation engineering antiseepage application both at home and abroad, mainly has
PE (polyethylene), EVA (ethylene/vinyl acetate copolymer), also having design in tunnel applications, (ethylene vinyl acetate changes using ECB
Property pitch geomembrane is blended), HDPE (high-density polyethylene geomembrane), LDPE (low density polyethylene (LDPE) geomembrane) and LLDPE (lines
Property low density polyethylene (LDPE) geomembrane), they are a kind of polymer chemistry flexible materials, and proportion is smaller, and extensibility is stronger, adapt to become
Shape ability is high, and the physical and mechanical property indexs such as tension, tear-proof, bursting are high, has intensity high, extension property is preferable, distorted pattern
The features such as amount is big, acid and alkali-resistance, anticorrosive, ageing-resistant, and barrier performance is good.In recent years on water conservancy and hydropower, municipal administration, building, traffic, ground
Antiseepage in iron, tunnel, engineering construction is isolated, reinforcement, and extensive utilization has been obtained in the civil engineerings such as anti-cracking reinforcement.Due to it
It selects in high molecular material and production technology and is added to antiaging agent, therefore can be used in unconventiona temperature environment.It is usually used in dike
The antifouling process on dam, the Anti-seeping technology of drainage ditch and spoil area.
But high temperature is encountered sometimes, underground water (such as hot spring), the hyperbar geological conditions (such as hot spring) of high water head are opened
Interior water temperature of digging a hole and temperature are more than 110 degrees Celsius, especially in Xinjiang, Tibet and Southwest China Karst Areas, Jie contacted with geomembrane
Matter is easy, by high temperature, high external water pressure and hyperbar, the waterproof action of common geomembrane to be caused to fail.
Invention content
The technical problems to be solved in the utility model is：In view of the above problems, it is anti-to provide a kind of single side high temperature resistant
Three cloth, two membranous type composite geo-membrane is permeated, to reduce or eliminate outer coolant-temperature gage, external water pressure, air pressure etc. to internal structure
Caused by damage, it is ensured that construction safety and quality.
Technical solution used by the utility model is：A kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite earthwork
Film, it is characterised in that：It is made of two layers of geomembrane, two layers of geotextiles and a strata tetrafluoroethene high temperature cloth.
There are the composite geo-membrane polyester filament geotextiles, polyester filament geotextiles one side to adhere to high density polyethylene (HDPE) successively
Geomembrane and the polytetrafluoroethylene (PTFE) high temperature cloth, the polyester filament geotextiles another side adhere to ethylene/vinyl acetate copolymerization successively
Object geomembrane and terylene short fiber needle-punched geotextiles.
The polyester filament geotextiles list cloth thickness is 1mm；High-density polyethylene geomembrane and ethylene/vinyl acetate copolymerization
Object geomembrane monofilm thickness is 0.5mm；The polytetrafluoroethylene (PTFE) high temperature cloth list cloth thickness is 2mm；The terylene short fiber needle thorn
Geotextiles list cloth thickness is 1mm.
The composite geo-membrane is divided into the polyester filament geotextiles and overall structure I, II；
Wherein overall structure I passes through rolling, hot sticky by the high-density polyethylene geomembrane and polytetrafluoroethylene (PTFE) high temperature cloth
Technique is closed to be made；
Overall structure II is passed through by the ethylene/vinyl acetate copolymer geomembrane and the terylene short fiber needle-punched geotextiles
Rolling, thermal bonding technology are made；
Overall structure I, polyester filament geotextiles, overall structure II form the composite earth by extruding, rolling, heat bonding
Work film.
The utility model has the beneficial effects that：The utility model is by three cloth two films (polyester filament geotextiles, polytetrafluoroethylene (PTFE)
High temperature cloth and terylene short fiber needle-punched geotextiles and high-density polyethylene geomembrane and ethylene/vinyl acetate copolymer geomembrane)
It constitutes, the physical and mechanical property indexs such as horizontal direction and endwise tensile strength, right angle tearing toughness, temperature in use, bursting are high, resistance to
High temperature, acid and alkali-resistance, anticorrosive, ageing-resistant, barrier performance is good.The utility model reduces or eliminates high temperature, external water pressure, air
Pressure etc. is damaged caused by internal structure, to ensure construction safety and quality, improves construction safety, including personnel and equipment peace
Entirely.
Description of the drawings
Fig. 1 is the sectional view of embodiment.
Specific implementation mode
The present embodiment be a kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane, by two layers of geomembrane, two layers
Geotextiles and a strata tetrafluoroethene high temperature cloth 4 are constituted, wherein two layers of geomembrane is respectively high-density polyethylene geomembrane 2 and second
Alkene/acetate ethylene copolymer geomembrane 3, two layers of geotextiles are respectively polyester filament geotextiles 1 and terylene short fiber needle-punched geotextiles
5。
As shown in Figure 1, the middle layer of composite geo-membrane is polyester filament geotextiles 1 in this example, single cloth thickness is 1mm, choosing
It takes and 1 high-density polyethylene geomembrane 2 of the same size of polyester filament geotextiles and ethylene/vinyl acetate copolymer geomembrane 3
It is respectively attached to the upper and lower surface of polyester filament geotextiles 1, monofilm thickness is 0.5mm.Outside high-density polyethylene geomembrane 2
Side attachment and its polytetrafluoroethylene (PTFE) high temperature cloth of the same size, single cloth thickness are 2mm.Ethylene/vinyl acetate copolymer geotechnique
3 lateral surface of film adheres to and its terylene short fiber needle-punched geotextiles 5 of the same size, and single cloth thickness is 1mm.
Polyester filament geotextiles 1 are directly prepared into through spinning needle thorn consolidation using polyester method, and polyester filament networking is passed through
It is made with the method for consolidation, fiber alignment is at three-dimensional structure.Other than with good mechanical property, also have good vertical
Transverse drainage performance and good extension property and the chemical stabilities such as higher resistance to biology, acid and alkali-resistance, ageing-resistant.With pole
High anti-uv-ray, high temperature resistant is up to 230 DEG C, and still holding structure is complete and original physical property under high temperature.
Polytetrafluoroethylene (PTFE) high temperature cloth is used for -196 DEG C of low temperature, between 300 DEG C of high temperature, has against weather, anti-aging.Change cloth
It is continuously placed under 250 DEG C of high tender feelings 200 days, not only intensity will not be lower, and weight is not also reduced；Under 350 DEG C of high temperature
120 hours are placed, weight only reduces 0.6% or so；Cracking is not will produce in -180 DEG C of ultralow temperature, and keeps original
Flexibility.It is resistant to chemical etching, it is resistant to the corrosion of strong acid, highly basic, chloroazotic acid and various organic solvents.Good stability of the dimension (extends
Coefficient be less than 5 ‰), intensity it is high.
Terylene short fiber needle-punched geotextiles 5 are non-woven and industrial cloth one kind.It is to use fibre number for 6-12 denier,
The terylene crimped staple that length is 54-64mm is raw material.It by the shredding of nonwoven production equipment, combs, mixed and disorderly (staple fiber
It is interweaved together), cloth-like is made in the flow of lapping (normalization is tangled fixed), the production technologies such as needle thorn.
The present embodiment by roll, be thermally bonded etc. techniques first by high-density polyethylene geomembrane 2 and polytetrafluoroethylene (PTFE) it is high
Overall structure I is made in stupe；Then by the techniques such as rolling, being thermally bonded first by 3 and of ethylene/vinyl acetate copolymer geomembrane
Overall structure II is made in terylene short fiber needle-punched geotextiles 5；Finally by overall structure I, polyester filament geotextiles 1 and overall structure II
Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane is formed by techniques such as extruding, rolling, heat bondings.
Composite geo-membrane wide cut 3m in this example, length 5m, thickness about 5mm, weight are about 1100g/m2, horizontal direction and longitudinal direction
Tensile strength is more than 800kN/m, right angle tearing toughness is more than 350Mpa, -100 °~+230 ° of temperature in use, the physics such as bursting
Mechanical performance index is high, high temperature resistant, acid and alkali-resistance, anticorrosive, ageing-resistant, and barrier performance is good etc..
Composite geo-membrane not draw in transportational process, drag firmly, and sharp object is avoided to stab；It is used and is buried using palpus when construction
Enter formula (shield formula is sprayed in gas storage), cladding thickness is not preferably less than 20cm, ensures the height contacted with the high temperature cloth of composite geo-membrane one side
Warm, high hydraulic pressure, hyperbar rock stratum (medium)；When antiseepage or gas storage, the rock wedge angle in range needs to remove, and keeps rock stratum flat
It is whole.
Composite geo-membrane should not La get Tai it is tight, should there are certain strokes；It is minimum that weld seam should be made every effort to when being laid with geomembrane,
Under the premise of ensureing quality, practice every conceivable frugality raw material, while being also easily guaranteed that quality；The overlap joint of the seam of composite geo-membrane
Width is typically no less than 10cm, is shortened as possible at turning and lopsided location, seam length.It, should be as possible after the completion of geomembrane is laid with
It is sprayed and is protected using C20 concrete, in order to avoid accidental injury is caused to composite geo-membrane.
Claims (3)
1. a kind of three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane, it is characterised in that：By two layers of geomembrane, two layers of soil
Work cloth and a strata tetrafluoroethene high temperature cloth (4) are constituted, which has polyester filament geotextiles (1), polyester filament
Attachment high-density polyethylene geomembrane (2) and the polytetrafluoroethylene (PTFE) high temperature cloth (4), the polyester are long successively for geotextiles (1) one side
Silk geotextiles another side adheres to ethylene/vinyl acetate copolymer geomembrane (3) and terylene short fiber needle-punched geotextiles (5) successively.
2. three cloth of single side high temperature resistant impermeabilisation according to claim 1, two membranous type composite geo-membrane, it is characterised in that：It is described
Polyester filament geotextiles (1) list cloth thickness is 1mm；High-density polyethylene geomembrane (2) and ethylene/vinyl acetate copolymer geotechnique
Film (3) monofilm thickness is 0.5mm；The single cloth thickness of the polytetrafluoroethylene (PTFE) high temperature cloth (4) is 2mm；The terylene short fiber needle thorn
Geotextiles (5) list cloth thickness is 1mm.
3. three cloth of single side high temperature resistant impermeabilisation according to claim 1 or 2, two membranous type composite geo-membrane, it is characterised in that：
The composite geo-membrane is divided into the polyester filament geotextiles (1) and overall structure I, II；
Wherein overall structure I passes through rolling, heat by the high-density polyethylene geomembrane (2) and polytetrafluoroethylene (PTFE) high temperature cloth (4)
Adhesion technique is made；
Overall structure II is logical by the ethylene/vinyl acetate copolymer geomembrane (3) and the terylene short fiber needle-punched geotextiles (5)
Cross rolling, thermal bonding technology is made；
Overall structure I, polyester filament geotextiles (1), overall structure II form the composite earth by extruding, rolling, heat bonding
Work film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540412.XU CN207657326U (en) | 2017-11-17 | 2017-11-17 | Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540412.XU CN207657326U (en) | 2017-11-17 | 2017-11-17 | Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207657326U true CN207657326U (en) | 2018-07-27 |
Family
ID=62945849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721540412.XU Active CN207657326U (en) | 2017-11-17 | 2017-11-17 | Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207657326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107696660A (en) * | 2017-11-17 | 2018-02-16 | 中国电建集团华东勘测设计研究院有限公司 | The membranous type composite geo-membrane of three cloth of one side high temperature resistant impermeabilisation two |
| CN111764722A (en) * | 2020-06-24 | 2020-10-13 | 北京英沣特能源技术有限公司 | Membrane type pool energy storage system |
-
2017
- 2017-11-17 CN CN201721540412.XU patent/CN207657326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107696660A (en) * | 2017-11-17 | 2018-02-16 | 中国电建集团华东勘测设计研究院有限公司 | The membranous type composite geo-membrane of three cloth of one side high temperature resistant impermeabilisation two |
| CN111764722A (en) * | 2020-06-24 | 2020-10-13 | 北京英沣特能源技术有限公司 | Membrane type pool energy storage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201144411Y (en) | High-strength reinforcement composite anti-seepage geomembrane | |
| CN207657326U (en) | Three cloth of single side high temperature resistant impermeabilisation, two membranous type composite geo-membrane | |
| CN102839630A (en) | Construction method for embankment by using mucky soil filling bags | |
| CN107696660A (en) | The membranous type composite geo-membrane of three cloth of one side high temperature resistant impermeabilisation two | |
| CN203487510U (en) | Composite geomembrane | |
| CN202782001U (en) | Roughened surface compound warp-knitted geomembrane with built-in steel fibers | |
| CN205444256U (en) | Salt lake mineral salt crystallizing pond protective screen system | |
| CN202139571U (en) | Plant protective river foundation structure | |
| CN107419628A (en) | A kind of construction method of the rapid build road on reclaimed ground | |
| CN201704673U (en) | Flood control dam device | |
| CN207156601U (en) | A kind of composite geo-membrane of built-in grid type nylon straps | |
| CN202047397U (en) | Seepage-proofing system for plain artificial dam | |
| CN209552612U (en) | A kind of high puncturing resistance copper foil composite of water-proof coiled material | |
| CN109930428A (en) | A kind of high-speed railway subgrade composite geo-membrane | |
| CN207156560U (en) | A kind of more membranous type composite geo-membranes of the more cloth of high permeability resistance | |
| CN102535397A (en) | Method and equipment for rescuing dike downstream slope water seepage dangerous case by using three-dimensional composite filtering pads | |
| CN205255648U (en) | Tunnel or for culvert self -adhesion type environmental protection waterproofing membrane | |
| CN209555670U (en) | A kind of high-speed railway subgrade composite geo-membrane | |
| CN202483592U (en) | Waterproof board specialized for tunnels | |
| CN207643825U (en) | A kind of bentonite waterproof blanket | |
| CN107323042A (en) | A kind of composite geo-membrane of built-in grid type nylon straps and preparation method thereof | |
| CN203792834U (en) | Internal EVA enhanced waterproof board | |
| CN205954603U (en) | Acrylate spouts compound geotechnological cloth of membrane waterproof material | |
| CN107323009A (en) | A kind of many membranous type composite geo-membranes of many cloth of high permeability resistance and preparation method thereof | |
| CN201162234Y (en) | Water-proof board with water filter bed guiding gutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |