CN205822275U - A kind of GCL - Google Patents
A kind of GCL Download PDFInfo
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- CN205822275U CN205822275U CN201620457310.0U CN201620457310U CN205822275U CN 205822275 U CN205822275 U CN 205822275U CN 201620457310 U CN201620457310 U CN 201620457310U CN 205822275 U CN205822275 U CN 205822275U
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- gcl
- antiseepage film
- geotechnical cloth
- cloth layer
- base fabric
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Abstract
The utility model discloses a kind of GCL, relate to environmental protection impervious material field, including: the base fabric of moistureproof and waterproof；The bentonite bed of water suction；Increase the non-woven geotechnical cloth layer of extension ability；Wherein, described non-woven geotechnical cloth layer includes: crude fibre；Described base fabric is positioned at the bottom, and described bentonite bed is covered on described base fabric, and described non-woven geotechnical cloth layer is covered on described bentonite bed；Described crude fibre passes described bentonite bed, and is fixed on described base fabric.GCL of the present utility model has good waterproof, a seepage capability, tensile resistance, deformability, corrosion resistance ability, easy construction and not limited by construction environment temperature, and cost performance is high, and purposes is widely.
Description
Technical field
This utility model relates to environmental protection impervious material field, espespecially a kind of GCL.
Background technology
In the architectural engineerings such as subway engineering, Tunnel Engineering, underground structure, all can run into sealing, the asking of waterproof, antiseep
Topic, therefore underground waterproofing project, underground structure waterproofing work etc. all can use waterproof material.
The environment tool used is had certain limitations, such as by traditional waterproof material: cannot be carried out construction under extreme low temperature；
Can not construct under sleety weather；Moist basic unit's (without open fire) also can not construct；The construction environment of this harshness limits
Construction speed can be elongated to a certain extent, cause the prolongation of construction period, waste substantial amounts of man power and material.
Utility model content
The purpose of this utility model is to provide a kind of GCL, is applied in various waterproof, seepage control project, solves
The problems such as sealing, isolation, antiseep, have good water-proof effect, an advantage that anti-destructive is strong, and to the requirement of construction environment relatively
Low, reduce the chance of delayed works.
The technical scheme that this utility model provides is as follows:
A kind of GCL, including: the base fabric of moistureproof and waterproof；The bentonite bed of water suction；Increase extension ability
Non-woven geotechnical cloth layer；Wherein, described non-woven geotechnical cloth layer includes: crude fibre；Described base fabric is positioned at the bottom, described swollen
Profit soil layer is covered on described base fabric, and described non-woven geotechnical cloth layer is covered on described bentonite bed；Described crude fibre is worn
Cross described bentonite bed, and be fixed on described base fabric.
It is further preferred that also include: HDPE antiseepage film layer；Described HDPE antiseepage film layer is fixed on described non-woven geotextile
On layer.
It is further preferred that also include: for described HDPE antiseepage film layer is fixed in described non-woven geotechnical cloth layer
Glue-line, described glue-line is filled between described HDPE antiseepage film layer and described non-woven geotechnical cloth layer.
It is further preferred that described HDPE antiseepage film layer includes: bright finish HDPE antiseepage film layer and matte HDPE antiseepage film layer.
It is further preferred that described non-woven geotechnical cloth layer includes: filament nonwoven geotechnique's layer of cloth and short silk non-woven geotechnical cloth layer.
Compared with prior art, the technology of the present invention has the beneficial effects that:
1, bentonite bed is fixed between base fabric and non-woven geotechnical cloth layer, is made for GCL, both has
There is the complete characteristic of earth working material, as separated, reinforce, protecting, filtration etc., there is again waterproof (oozing) performance of excellence.It is waterproof
Mechanism is: bentonite particle water-swellable so that it is form uniform colloid system, in base fabric and the limit of non-woven geotechnical cloth layer
Making under using, make bentonite become expanding in order from unordered expansion, lasting imbibition result is that bentonite bed self reaches
Closely knit, thus there is waterproof action.It addition, GCL does not has harsh regulation, Ke Yi to construction environment, temperature
Low temperature or without constructing in the case of open fire, substantially reduces owing to environmental factors can not carry out the probability constructed, improves construction
Efficiency；And GCL also has certain corrosion resistance so that it is can apply to acid, the antiseepage of aqueous slkali.
2, the addition of HDPE antiseepage film, makes the characteristic that GCL is provided with preferable anti-chemistry, antibacterium corrodes,
Making GCL be further applicable to acid, saltiness solution and carry out antiseepage, corrosion resistance is more.
3, HDPE antiseepage film can utilize glue-line to be fixed in non-woven geotechnical cloth layer, and glue-line can make HDPE antiseepage film by all
Fix evenly, make the stretch capability of HDPE antiseepage film and seepage capability be shared equably, make that there is base fabric, bentonite
Layer, non-woven geotechnical cloth layer, glue-line, the GCL of HDPE antiseepage film layer have higher stretch capability, add the most further
Strong waterproof (oozing) ability of GCL.
4, the HDPE antiseepage film of HDPE antiseepage film layer has bright finish and matte two kinds, and HDPE antiseepage film has good waterproof
(oozing) ability, excellent elasticity capacity and deformability, these abilities are that it is applied to the basis of GCL.And matte
HDPE antiseepage film has bigger frictional force than bright finish HDPE antiseepage film, is suitably applied and frictional force is required higher engineering
In.Unit in charge of construction can have the GCL of corresponding HDPE antiseepage film layer according to actual construction demand selection,
Suitably occasion plays waterproof (oozing) effect of its maximum.
5, non-woven geotextile has filament nonwoven geotextiles and the difference of short silk non-woven geotextile, between both are except price
Having outside certain difference, characteristic aspect filament nonwoven geotextiles has higher anti-position than short silk non-woven geotextile and stretches ability, construction
Unit can select optimal GCL according to different engineering demands, farthest reduce the mesh of cost
's.
GCL of the present utility model, the most uniform colloid system formed after utilizing bentonite imbibition
The draining characteristics having, produces waterproof action；And it has stronger tensile resistance, good deformability, it is adapted to
The engineering of different situations；Corrosion resistance ability makes it can apply to strong acid, highly basic liquid to carry out waterproof (oozing)；After construction
The most easily repair if occurring damaging；Easy construction and not limited by construction environment temperature, cost performance is high, and purposes is the widest
General.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of one embodiment of this utility model GCL；
Fig. 2 is the structural representation of this utility model another embodiment of GCL.
Drawing reference numeral illustrates:
1. base fabric, 2. bentonite bed, 3. non-woven geotechnical cloth layer, 4. glue-line, 5.HDPE antiseepage film layer.
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
In an embodiment of the present utility model, as it is shown in figure 1, a kind of GCL, including: moistureproof and waterproof
Base fabric 1；The bentonite bed 2 of water suction；Increase the non-woven geotechnical cloth layer 3 of extension ability；Wherein, described non-woven geotechnical cloth layer 3
Including: crude fibre；Described base fabric 1 is positioned at the bottom, and described bentonite bed 2 is covered on described base fabric 1, described nothing
Spin geotechnique's layer of cloth 3 to be covered on described bentonite bed 2；Described crude fibre passes described bentonite bed 2, and is fixed in described volume
On nonwoven fabric layer 1.
Concrete, bentonitic mineralogical name is montmorillonite, and natural bentonite is according to chemical composition broadly divided into sodio
Bentonite and the big class of calcium-base bentonite two.Bentonite has the characteristic of water-swellable, and when general calcium-base bentonite expands, it expands
It is only about 3 times of own vol；And during Na-bentonite soil expansion, about about 15 times of own vol, 6 times can be absorbed certainly
The water of heavy sensation of the body amount, the high density colloid that the bentonite so expanded is formed has the performance repelling water.Utilize this performance, people
Do waterproof material with sodium bentonite.
In construction, the base fabric of bottom can directly with need to carry out waterproof construction location to contact, base fabric is anti-
The characteristic that water is moistureproof can carry out first step stop to the water on construction location；Water through bottom base fabric can run into
Two layers of bentonite bed, bentonite bed is typically made up of Na-bentonite soil particle, and these water can be absorbed by bentonite bed, so that swollen
Profit soil expansion, the bentonite after expansion defines highdensity colloid, and this colloid has draining characteristics, furthermore achieved that waterproof
Ability；The non-woven geotechnical cloth layer covered on bentonite bed has bigger extension ability, adapts to bigger deformation, makes swelling
Soil waterproof blanket can bear bigger rock deformation pressure.To sum up, bentonite bed is the key that GCL plays waterproof action
Part, and bentonite is locked in the middle of base fabric and non-woven geotechnical cloth layer, one is to transport for convenience, and two come also to swelling
Soil layer serves protection and the effect reinforced, and makes GCL have certain integral anti-shearing intensity.
GCL uses the method for special acupuncture, and the process of special acupuncture is exactly in the non-woven geotechnical cloth layer of upper strata
Crude fibre is through middle bentonite bed, and is fixed on the base fabric of bottom, three parts is combined as a whole, effectively
The globality enhancing GCL, make the shearing strength of GCL and tensile strength be greatly enhanced.This
The engineerings such as refuse landfill that GCL is mainly used in environmental project, groundwater reservoir, underground foundation Facilities Construction
In, solve sealing, waterproof, antiseep problem.
Preferably, also include: HDPE antiseepage film layer 5；Described HDPE antiseepage film layer 5 is fixed on described non-woven geotechnical cloth layer 3
On.
Concrete, utilize special needle point method to make non-woven geotechnical cloth layer, bentonite bed, base fabric become an entirety, this
Three layers of GCL of sample can be used alone, and the HDPE antiseepage film layer increased on its basis further enhances swollen
Profit soil waterproof blanket seepage capability.
HDPE (High Density Polyethylene) antiseepage film layer, namely high density polyethylene (HDPE) antiseepage film, HDPE
Antiseepage film is the coiled plastic material being made up of HDPE resin, and HDPE therein is a kind of degree of crystallinity thermoplastic resin high, nonpolar
Fat.HDPE has good antiseptic property, electrical property, humidity resistance, leakage performance, hot strength height, so being the most applicable
In electric wire, project seepage controlling, cultivation antiseepage, oil tank antiseepage, basement antiseepage, antiseep of artificial lake, garbage loading embeading antiseepage, solid waste
The fields such as landfill antiseepage.HDPE antiseepage film has fabulous impact resistance, room temperature even under-40F low temperature the most such；Also
There is good thermostability and tolerance to cold；Chemical stability is good, can the corrosion such as acid and alkali resistance, organic solvent；There is higher rigidity
And toughness, mechanical strength is good, and resisting environmental stress and cracking is good with tear-resistant strength character, along with the rising of density, mechanical performance and
Barrier property can improve accordingly, heat-resisting the highest with tensile strength.
Original GCL increases HDPE antiseepage film, adds the seepage capability of GCL and draw
Stretch intensity, also make GCL add the corrosion resistance of the organic solvent such as acidproof, alkaline-resisting, make GCL pair
Antibacterial and chemistry have preferable erosion resisting, have good effect in acid, the erosion of alkali, salt, and under lucifuge service condition, service life is long.
Preferably, also include: for described HDPE antiseepage film layer 5 is fixed on the glue-line in described non-woven geotechnical cloth layer 3
4, described glue-line 4 is filled between described HDPE antiseepage film layer 5 and described non-woven geotechnical cloth layer 3.
Concrete, owing to glue-line is the liquid of flowing before not solidifying, its shape, the position etc. at place are all to change
, and HDPE antiseepage film layer can be fixed on non-woven geotextile equably by glue-line, defines and has base fabric, swollen
Profit soil layer, non-woven geotechnical cloth layer, glue-line and the GCL of HDPE antiseepage film layer.Because HDPE antiseepage film layer is by glue-line quilt
Fixing equably, seepage capability and the hot strength ability of HDPE antiseepage film layer are also shared equably, make to have five layers swollen
Profit soil waterproof blanket further enhances its seepage capability and tensile strength.It addition, HDPE antiseepage film have resistance to chemical corrosion,
Ageing resistance, also enables GCL be applied in more field, such as: strongly acidic solution carries out the work of antiseepage
Journey；And its ageing resistance also makes GCL be provided with longer service life.
Preferably, HDPE antiseepage film layer 5 includes: bright finish HDPE antiseepage film layer and matte HDPE antiseepage film layer.
Concrete, the HDPE antiseepage film in HDPE antiseepage film layer, according to processing technology, can be divided into bright finish HDPE antiseepage film
With matte HDPE antiseepage film.Bright finish HDPE antiseepage film has extraordinary mechanical strength and excellent elasticity and deformability, and
Having the anti-seepage effect that common waterproof material is incomparable, it is very big, in roadbed and the laying of some foundation engineerings that it plays moding amount
In there is good deformability.And matte HDPE antiseepage film, it is commonly called as hair side HDPE antiseepage film, in bright finish HDPE antiseepage film
On the basis of traditional processing technology, production equipment is carried out technological innovation transformation, so that the antiseepage film surface produced is formed
A kind of graininess matsurface, improves the frictional behaviour on HDPE antiseepage film surface；Contrast with the bright finish HDPE antiseepage film of same specification,
The tensile resistance of matte HDPE antiseepage film is higher, can be with the anti-load metamorphism power of reinforcing membrane, and general matte HDPE antiseepage film should
It is used in the project requiring there is bigger coefficient of friction.Workmen can have different HDPE according to different engineering demand application
The GCL of antiseepage film, farthest ensures waterproof, anti-seepage effect.
Preferably, described non-woven geotechnical cloth layer 3 includes: filament nonwoven geotechnique's layer of cloth and short silk non-woven geotechnical cloth layer.
Non-woven geotextile, is also called geotextile, it be by synthetic fibers by acupuncture or braiding process permeable
Property geosynthetics.Finished product is cloth-like, and general width is 4-6 rice, a length of 50-100 rice.Non-woven geotextile has outstanding
Filtration, isolation, reinforcement protection effect, tensile strength height, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant.
Non-woven geotextile is being interweaved together through its internal different fiber of the technique reliefs such as acupuncture, mutually tangles
Make fabric specification, allow fabric sofetening, plentiful, abundant, stiffening；Non-woven geotextile has good fabric gap, due to fiber
Softness has certain lear energy, and therefore non-woven geotextile has well deformation adaptation ability；It addition, non-woven geotextile
Also there is good flat drainage ability；And the characteristic of its soft surface Multiple level makes non-woven geotextile have well rubs and be
Number, by increasing capacitance it is possible to increase the adhesive ability of grogs etc., is possible to prevent fine particle to pass through, and while stoping particulate matter to run off, also arranges
Except excessive moisture, soft surface has good protective capability.
It is divided into filament nonwoven geotextiles or short silk non-woven geotextile according to by the length of silk.They can play well mistake
The effects such as filter, isolation, reinforcement, protection, are a kind of widely used geosynthetics.The tensile strength of long filament is higher than short silk,
Can select to use according to specific requirement.
In another embodiment of the present invention, as in figure 2 it is shown, a kind of GCL, including: the volume of moistureproof and waterproof
Nonwoven fabric layer 1；The bentonite bed 2 of water suction；Increase the non-woven geotechnical cloth layer 3 of extension ability；Wherein, described non-woven geotechnical cloth layer 3 is wrapped
Include: crude fibre；Described base fabric 1 is positioned at the bottom, and described bentonite bed 2 is covered on described base fabric 1, described nonwoven
Geotechnique's layer of cloth 3 is covered on described bentonite bed 2；Described crude fibre passes described bentonite bed 2, and is fixed in described volume
On nonwoven fabric layer 1；HDPE antiseepage film layer 5；Described HDPE antiseepage film layer 5 is fixed in described non-woven geotechnical cloth layer 3；For by described
HDPE antiseepage film layer 5 is fixed on the glue-line 4 in described non-woven geotechnical cloth layer 3, and described glue-line 4 is filled in described HDPE antiseepage film layer
Between 5 and described non-woven geotechnical cloth layer 3.Described HDPE antiseepage film layer 5 includes: bright finish HDPE antiseepage film layer and matte HDPE antiseepage
Film layer.Described non-woven geotechnical cloth layer 3 includes: filament nonwoven geotechnique's layer of cloth and short silk non-woven geotechnical cloth layer.
Concrete, GCL has the waterproof, seepage control performance of excellence；And its composition is the most all environment-friendly materials, will not
Environment causes any adverse effect, and the ratio of performance to price is high, and purposes is widely；Even if after waterproof (oozing) construction terminates,
If waterproof layer occurs unexpected damaged, as long as damaged position is simply repaired, so that it may regain perfect as before
Water resistance, its characteristic easily repaired also reduces use cost；It addition, product fabric width is up to 6 meters, substantially increase construction
Efficiency.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (5)
1. a GCL, it is characterised in that including:
The base fabric of moistureproof and waterproof；
The bentonite bed of water suction；
Increase the non-woven geotechnical cloth layer of extension ability；
Wherein, described non-woven geotechnical cloth layer includes: crude fibre；
Described base fabric is positioned at the bottom, and described bentonite bed is covered on described base fabric, described non-woven geotechnical cloth layer
It is covered on described bentonite bed；
Described crude fibre passes described bentonite bed, and is fixed on described base fabric；
Described base fabric, described bentonite bed and described non-woven geotechnical cloth layer are combined as a whole by described crude fibre.
2. a GCL as claimed in claim 1, it is characterised in that also include:
HDPE antiseepage film layer；
Described HDPE antiseepage film layer is fixed in described non-woven geotechnical cloth layer.
3. a GCL as claimed in claim 2, it is characterised in that also include:
For described HDPE antiseepage film layer is fixed on the glue-line in described non-woven geotechnical cloth layer, described glue-line is filled in described
Between HDPE antiseepage film layer and described non-woven geotechnical cloth layer.
4. a GCL as claimed in claim 2, it is characterised in that described HDPE antiseepage film layer includes:
Bright finish HDPE antiseepage film layer and matte HDPE antiseepage film layer.
5. the GCL as described in claim 1-4 is arbitrary, it is characterised in that described non-woven geotechnical cloth layer bag
Include:
Filament nonwoven geotechnique's layer of cloth and short silk non-woven geotechnical cloth layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620457310.0U CN205822275U (en) | 2016-05-18 | 2016-05-18 | A kind of GCL |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620457310.0U CN205822275U (en) | 2016-05-18 | 2016-05-18 | A kind of GCL |
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| Publication Number | Publication Date |
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| CN205822275U true CN205822275U (en) | 2016-12-21 |
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ID=57559068
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| CN201620457310.0U Active CN205822275U (en) | 2016-05-18 | 2016-05-18 | A kind of GCL |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233622A (en) * | 2022-07-04 | 2022-10-25 | 山东建通土工材料有限公司 | Anti-puncture geotechnical coating |
-
2016
- 2016-05-18 CN CN201620457310.0U patent/CN205822275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233622A (en) * | 2022-07-04 | 2022-10-25 | 山东建通土工材料有限公司 | Anti-puncture geotechnical coating |
| CN115233622B (en) * | 2022-07-04 | 2024-04-26 | 山东建通土工材料有限公司 | Puncture-resistant geotechnical coating |
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