CN102673058A - Bittern-resistant fabric coating cloth and application of same in bittern ditches - Google Patents
Bittern-resistant fabric coating cloth and application of same in bittern ditches Download PDFInfo
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- CN102673058A CN102673058A CN2012101643930A CN201210164393A CN102673058A CN 102673058 A CN102673058 A CN 102673058A CN 2012101643930 A CN2012101643930 A CN 2012101643930A CN 201210164393 A CN201210164393 A CN 201210164393A CN 102673058 A CN102673058 A CN 102673058A
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Abstract
The invention discloses bittern-resistant fabric coating cloth and application of same in construction of bittern ditches and treatment of building grounds in saline-alkali areas, and belongs to the field of high-polymer composite materials and application of the same. The fabric coating cloth is multi-layered and comprises lower layers at the bottom and at least one group of inner layers and upper layers. The inner layers are fabric skeleton layers totally or partially made of polyester fibers. The lower layers and the upper layers are polyvinyl chloride resin film layers all coated on front surfaces and back surfaces of the fabric skeleton layers. The bittern-resistant fabric coating cloth is bittern-resistant engineering laying materials having high penetration resistance and high strength, and can be applied to construction of the bittern ditches and treatment of the building grounds in the saline-alkali areas.
Description
Technical field
The invention belongs to polymer composite and application thereof.
Background technology
The material of salt tolerant halogen corrosion has many kinds, is divided into hard material and flexible material by its flexibility.
In the saline-alkali environment, construction project often relates to characteristics such as area is big, circuit is long, environmental geology is complicated, interim strain is many, construction condition is poor, traffic condition difference in the open air.
The advantage of hard material: puncture resistance is strong, the strength of materials high (abundant),
Shortcoming: material weight is big, and the single-piece area is little, and the transportation burden is heavy, and on-the-spot stitching capacity is big, and dimensional requirement is high, and complex-terrain (crankle is many) is made difficulty, and the contraction distortion amount when large tracts of land is laid is restive, and cost is high.
The advantage of flexible material: material light weight, area are big, and low to movement requirement, the site operation amount is little, and dimensional requirement is low, easy to control, and complex-terrain is made simple, and the contraction distortion amount reservation operations of material is simple, and cost is low.
Shortcoming: puncture resistance is poor, and the strength of materials is low, and the flatness of laying the place is had certain requirement.
Flexible material has strong advantage, but flexible material need satisfy the requirement of following main aspect when using: 1. material must have the performance of the seepage of preventing; 2. material must have the performance of acid and alkali resistance, salt corrosion; 3. material must have certain intensity, to satisfy the stress requirement that produces because of geology deformation, working load, temperature difference deformation etc.; 4. material must have ageing-resistant performance; 5. material must have the weather resisteant ability; 6. material must have the job site processability.
For example, in the past, once used plastic plate.Because it is a hard material, the sheet material area is too little, causes on-the-spot concatenation construction amount very big, claim for eot.Particularly because the high low temperature deformation (expanding with heat and contract with cold) of sheet material, engineering also completion quality problems such as arch camber, drawing crack have just appearred.
Afterwards, adopted flexible material.What use at first is the antiseepage film of polypropylene and polythene material.In use, it has improved the area of single products greatly, has reduced the quantities of on-the-spot splicing.
But the splicing of polythene material, because of (weldability of material is poor) due to the properties of materials, difficulty very.Problems such as a lot of splicings are not firm, seam comes off have been caused.
And the antiseepage film of polypropylene material is because particularly sun-resistant, the anti-ultraviolet ageing properties of its weatherability is poor, and product uses less than just occurring embrittlement, cracking in 1 year.
The antiseepage film of polypropylene and polythene material construct at the scene and use in also exist product puncture performance poor, having under the weight of certain load, when meeting out-of-flatness ground or exerting pressure thing, cause product perforation, seepage.
Summary of the invention
The objective of the invention is to: a kind of have high paracentesis resistance, high-intensity salt tolerant halogen engineering paver are proposed, with and build at the bittern irrigation canals and ditches, the application of saline and alkaline regional building ground in handling.
The object of the invention realizes through following technical proposals:
A kind of salt tolerant halogen fabric coated cloth; This fabric coated cloth is a sandwich construction; Comprise from bottom to up lower floor and at least one group of internal layer and upper strata; Said internal layer is for being the textile armature layer of all or part of material with polyester fiber, and said lower floor and upper strata are the Corvic thin layer that is coated in said textile armature layer positive and negative.
Said polyester fiber can be selected from one or more in polyester filaments, polyester fiber textured filament, polyester fiber elastic filament, high-strength polyester fibers long filament, PE yarn or the polyester blended yarn.
As optimal way, said Corvic thin layer is for being the film produced of the rolling process of basic material with the polyvinyl chloride or being that basic material is through plastifying the applicator of formation with the PVC paste resin.
As optimal way, at least one weaving direction is made up of polyester fiber fully in the said textile armature layer, and perhaps the hybrid yams by mass percent 15-100% polyester fiber and other fiber of 0-85% constitutes.
As optimal way, said painting method is dip-coating, blade coating, spraying, brushing or calendering.
The application of aforementioned salt tolerant halogen fabric coated cloth in the construction of bittern irrigation canals and ditches, saline and alkaline regional building ground are handled.
Beneficial effect of the present invention:
1. changed traditional single-layer membrane structure, having proposed with the high-strength polyester fibers screen cloth that interweaves is the multi-layer compound structure in the intermediate layer of skeleton.High-strength polyester fibers is made into the screen cloth that interweaves and has excellent tensile strength, tearing toughness; Thereby strengthened composite integral intensity index greatly after becoming the skeleton of composite; The sandwich construction that casing play and outer good material cooperate and combine closely, the whole puncture resistance of composite also is greatly improved.
2. the structure of material can realize three layers, five layers, seven layers or more according to engineering to the requirement of index, can satisfy to flexible and convenient the needs of different engineerings.Be generally three layers and five layers.It is PVC rete+polyester fiber casing play+PVC rete; With PVC rete+polyester fiber casing play+PVC rete+polyester fiber casing play+PVC rete.
3.PVC material price is cheap, and has good stability, its wearability, sun-resistant and ultraviolet excellent performance have excellent corrosion resisting performance.With the PVC material is the surfacing of composite, has the various flexible materials that use relatively now, more can satisfy the actual needs of engineering.
4. this composite has premium properties to the bittern irrigation canals and ditches are built, saline and alkaline regional building ground is handled special requirement structural design pointedly, is particularly suitable for being applied in the work that the construction of bittern irrigation canals and ditches, saline and alkaline regional building ground handle.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Wherein 1 is that textile armature layer, 2 is the Corvic thin layer.
The specific embodiment
Following non-limiting examples is used to explain the present invention.
As shown in Figure 1; A kind of salt tolerant halogen fabric coated cloth; This fabric coated cloth is a sandwich construction; Comprise from bottom to up lower floor and at least one group of internal layer and upper strata, internal layer is for being the textile armature layer 1 of all or part of material with polyester fiber, and lower floor and upper strata are the Corvic thin layer 2 that is coated in textile armature layer 1 positive and negative.Painting method is dip-coating, blade coating, spraying, brushing or calendering.Wherein, polyester fiber can be selected from one or more in polyester filaments, polyester fiber textured filament, polyester fiber elastic filament, high-strength polyester fibers long filament, PE yarn or the polyester blended yarn.Corvic thin layer 2 is for being the film produced of the rolling process of basic material with the polyvinyl chloride or being that basic material is through plastifying the applicator of formation with the PVC paste resin.At least one weaving direction is made up of polyester fiber fully in the textile armature layer 1, and perhaps the hybrid yams by mass percent 15-100% polyester fiber and other fiber of 0-85% constitutes.Be generally three layers or five layers (as shown in Figure 1).It is PVC rete+polyester fiber casing play+PVC rete; Or PVC rete+polyester fiber casing play+PVC rete+polyester fiber casing play+PVC rete.Can three layers, five layers, seven layers or more can be realized to the requirement of index according to engineering, the needs of different engineerings can be satisfied to flexible and convenient.
The application process of aforementioned salt tolerant halogen fabric coated cloth in the construction of bittern irrigation canals and ditches, saline and alkaline regional building ground are handled:
Embodiment 1.
Article one, salt Tanaka is led to the channel of bittern.Channel is wide to be 12 meters, and length is kilometer surplus in the of 10, dark 5 meters of canal.The logical subsurface brine that extracts in the canal; Ground is the very high salt-soda soil of salt content.Require the channel must not seepage, otherwise the water of seepage can make the salt dissolving on ground, cause dykes and dams subside and because the crystallization of bittern forms very sharp-pointed, sharp salt efflorescence (very big to the harm of anti-seepage of channels layer).
Use aforementioned the application's salt tolerant halogen fabric coated cloth, adopt five-layer structure, its breaking strength reaches more than the 2500N/50mm, and material thickness is 1.2mm.Before the construction, will apply cloth earlier and be made into long 60 meters, wide 18 meters size, folding bag is dressed up the cylindric of 0.6 meter of diameter, 6 meters of length.During construction, lay, only need whenever to carry out a piece welding and get final product at a distance from 60 meters along channel along channel.The construction test effect that finishes: once logical halogen success, nearly 2 years of logical halogen seepage do not occur, once breaks.
Comparative analysis:
The engineering of the type be in the past with the sheet material of thick type through welding, forms a complete separation layer, with bittern and ground isolation and be transported to the destination.But,, can only cut into the little smallclothes of area, thereby cause bigger workload to site operation for the convenience of transporting because sheet material can not fold.And because the rigid nature of sheet material, when running into structure, form comparatively during complicated situation, its intractability is very big.Moreover; Because the general weather conditions of such engineering are comparatively harsh; Year, the lowest temperature can reach below-40 ℃, and the highest temperature can reach more than 45 ℃, and day and night temperature usually surpasses more than 20 ℃; Therefore because expanding with heat and contract with cold of sheet material makes the irrigation canals and ditches that reach hundreds of rice even several kilometers constantly form drawing crack or arch camber, cause a large amount of maintenance works.The irrigation canals and ditches of just having safeguarded often, logical halogen will stop after one day and carry out secondary and safeguard, and generally at least two days, week at most.The service efficiency of irrigation canals and ditches is extremely low.Afterwards, also adopted polyethylene film and polypropylene film.But because the intensity of film itself is low, during laying a little firmly just cause breakage; Problems such as film is pierced, scratches are also very easily caused on the coarse ground in the salt-soda soil.Bring very high requirement and very big trouble to construction.The welding of polyethylene film is difficulty very, poor, the easy sealing-off of weld strength.So there is not that engineering water-tight.Meaning collapses, scraps as irrigation canals and ditches and just leak.Though the polypropylene film welding easily, it is sun-resistant, ageing resistace is very poor, and general 1,2 each months are with regard to embrittlement.
In the present embodiment, in the haulage stage before the construction, a car (30 tons of cars) can be adorned 20, about more than 20,000 squares.Improved with car efficient more than 5 times than in the past.Also reduced on-the-spot construction volume simultaneously greatly, the scene only needs whenever to carry out a piece welding at a distance from 60 meters along channel.In addition, because material has higher intensity and good wear resistance ability, during construction; Can adopt comparatively extensive heavy mechanical equipment; Like crane, trailer etc., whole engineering construction speed has been reached day lays area more than 16000 square metres, be in the past prestissimo tens, hundreds of times.
A building is built in the area, salt-soda soil, because this area's salt alkali content is higher, considers the corrosivity of facilities such as indoor office appliance, decorations, need handle ground.
Use the salt tolerant halogen fabric coated cloth of aforementioned application of the present invention, adopt three-decker, be layed in architecture bottom layer.Before carrying out construction and decoration, lay one deck earlier by the good salt tolerant halogen fabric coated cloth of room-sized splicing, behind anti-corrosion asphalt and the good corner of cement treated, carry out floor finiss more in the above.This method cost is low; Efficient is high; Be coated with the compress water proof, at a distance from wet effective, can prevent well that ground materials from separating out the corrosion to indoor article, be a kind of new method of handling saline and alkaline regional building ground.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. salt tolerant halogen fabric coated cloth; It is characterized in that: this fabric coated cloth is a sandwich construction; Comprise from bottom to up lower floor and at least one group of internal layer and upper strata; Said internal layer is for being the textile armature layer of all or part of material with polyester fiber, and said lower floor and upper strata are the Corvic thin layer that is coated in said textile armature layer positive and negative.
2. salt tolerant halogen fabric coated cloth as claimed in claim 1 is characterized in that: said Corvic thin layer is for being the film produced of the rolling process of basic material with the polyvinyl chloride or being that basic material is through plastifying the applicator of formation with the PVC paste resin.
3. salt tolerant halogen fabric coated cloth as claimed in claim 1, it is characterized in that: at least one weaving direction is made up of polyester fiber fully in the said textile armature layer, and perhaps the hybrid yams by mass percent 15-100% polyester fiber and other fiber of 0-85% constitutes.
4. salt tolerant halogen fabric coated cloth as claimed in claim 1, it is characterized in that: said painting method is dip-coating, blade coating, spraying, brushing or calendering.
5. the application of the salt tolerant halogen fabric coated cloth described in arbitrary claim in the construction of bittern irrigation canals and ditches, saline and alkaline regional building ground are handled in the claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210164393.0A CN102673058B (en) | 2012-05-25 | 2012-05-25 | The fabric coating of resistance to bittern cloth and the application in bittern irrigation canals and ditches thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210164393.0A CN102673058B (en) | 2012-05-25 | 2012-05-25 | The fabric coating of resistance to bittern cloth and the application in bittern irrigation canals and ditches thereof |
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| Publication Number | Publication Date |
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| CN102673058A true CN102673058A (en) | 2012-09-19 |
| CN102673058B CN102673058B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210164393.0A Active CN102673058B (en) | 2012-05-25 | 2012-05-25 | The fabric coating of resistance to bittern cloth and the application in bittern irrigation canals and ditches thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711966A (en) * | 2015-01-29 | 2015-06-17 | 青海盐湖工业股份有限公司 | Brine conveying facility, construction technology thereof and brine conveying method |
| CN104876244A (en) * | 2014-02-27 | 2015-09-02 | 莱州诚源盐化有限公司 | A manufacturing method of an extruding type plastic cover for a salt pan |
Citations (5)
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| CN86201127U (en) * | 1986-03-04 | 1987-12-09 | 洪重光 | Water proof coiled building material with erosion protection and ageing proof functions |
| JPH02274534A (en) * | 1989-04-17 | 1990-11-08 | Central Glass Co Ltd | Structural film material, film form structure and manufacture of same material and structure |
| CN2839387Y (en) * | 2005-08-17 | 2006-11-22 | 上海赞科防渗漏工程科技有限公司 | Double-deck PVC antiseep engineering cloth |
| CN1951685A (en) * | 2005-10-17 | 2007-04-25 | 上海申达科宝新材料有限公司 | Polyvinylidene fluoride film material for construction and its production method |
| CN101698979A (en) * | 2008-12-30 | 2010-04-28 | 福建思嘉环保材料科技有限公司 | Clad net cloth gluing and surface processing technology |
-
2012
- 2012-05-25 CN CN201210164393.0A patent/CN102673058B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201127U (en) * | 1986-03-04 | 1987-12-09 | 洪重光 | Water proof coiled building material with erosion protection and ageing proof functions |
| JPH02274534A (en) * | 1989-04-17 | 1990-11-08 | Central Glass Co Ltd | Structural film material, film form structure and manufacture of same material and structure |
| CN2839387Y (en) * | 2005-08-17 | 2006-11-22 | 上海赞科防渗漏工程科技有限公司 | Double-deck PVC antiseep engineering cloth |
| CN1951685A (en) * | 2005-10-17 | 2007-04-25 | 上海申达科宝新材料有限公司 | Polyvinylidene fluoride film material for construction and its production method |
| CN101698979A (en) * | 2008-12-30 | 2010-04-28 | 福建思嘉环保材料科技有限公司 | Clad net cloth gluing and surface processing technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876244A (en) * | 2014-02-27 | 2015-09-02 | 莱州诚源盐化有限公司 | A manufacturing method of an extruding type plastic cover for a salt pan |
| CN104711966A (en) * | 2015-01-29 | 2015-06-17 | 青海盐湖工业股份有限公司 | Brine conveying facility, construction technology thereof and brine conveying method |
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| CN102673058B (en) | 2015-09-23 |
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Effective date of registration: 20160906 Address after: Shanxi province Changzhi City West Road 046000 Patentee after: Changzhi City, Shanxi Province Yu Plastic Co., Ltd. Address before: Four groups of Longtan Guangming Village in Sichuan province Chengdu city Chenghua District 610052 Patentee before: Chengdu Yuanjian Composite Material Co., Ltd. |
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Effective date of registration: 20170125 Address after: Four groups of Longtan Guangming Village in Sichuan province Chengdu city Chenghua District 610052 Patentee after: Chengdu Yuanjian Composite Material Co., Ltd. Address before: Shanxi province Changzhi City West Road 046000 Patentee before: Changzhi City, Shanxi Province Yu Plastic Co., Ltd. |
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Denomination of invention: Bittern-resistant fabric coating cloth and application of same in bittern ditches Effective date of registration: 20170911 Granted publication date: 20150923 Pledgee: Chengdu high investment financing Company limited by guarantee Pledgor: Chengdu Yuanjian Composite Material Co., Ltd. Registration number: 2017510000061 |