CN110241497A - A kind of filtering draining geosynthetic fabrics - Google Patents
A kind of filtering draining geosynthetic fabrics Download PDFInfo
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- CN110241497A CN110241497A CN201910597055.8A CN201910597055A CN110241497A CN 110241497 A CN110241497 A CN 110241497A CN 201910597055 A CN201910597055 A CN 201910597055A CN 110241497 A CN110241497 A CN 110241497A
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- weft yarn
- yarn
- warp thread
- weft
- warp
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- 239000004744 fabric Substances 0.000 title claims abstract description 137
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- -1 polypropylene Polymers 0.000 claims abstract description 65
- 239000004743 Polypropylene Substances 0.000 claims abstract description 58
- 229920001155 polypropylene Polymers 0.000 claims abstract description 58
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000009940 knitting Methods 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 235000012489 doughnuts Nutrition 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000012510 hollow fiber Substances 0.000 claims 1
- 239000002352 surface water Substances 0.000 abstract description 18
- 238000004062 sedimentation Methods 0.000 abstract description 7
- 239000004746 geotextile Substances 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 58
- 238000009941 weaving Methods 0.000 description 32
- 239000003795 chemical substances by application Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 17
- 230000004069 differentiation Effects 0.000 description 15
- 239000000835 fiber Substances 0.000 description 15
- 230000008859 change Effects 0.000 description 13
- 230000035699 permeability Effects 0.000 description 9
- 230000001351 cycling effect Effects 0.000 description 8
- 239000004594 Masterbatch (MB) Substances 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 5
- 239000002216 antistatic agent Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000003995 emulsifying agent Substances 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 239000006081 fluorescent whitening agent Substances 0.000 description 5
- 239000012760 heat stabilizer Substances 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 239000012745 toughening agent Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000003712 anti-aging effect Effects 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 239000002667 nucleating agent Substances 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 239000012744 reinforcing agent Substances 0.000 description 4
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/20—Industrial for civil engineering, e.g. geotextiles
- D10B2505/204—Geotextiles
Abstract
A kind of filtering draining geosynthetic fabrics, it is related to geotextile technical field, including warp thread, weft yarn 1, weft yarn 2, the warp thread is polypropylene monofilament, the weft yarn 1 is polypropylene monofilament or split yarn, and the 2 yarn body of weft yarn is provided with the wicking channels of preset quantity along axial direction；Fabric knitting uses and changes a layer structure in table, and fabric tissue uses plain weave alternative construction；The warp thread table is passed through with back warp arrangement than being 2:2, the weft yarn outer weft and back weft are arranged substantially than being 1:2:1, table is passed through and is completed when being changed layer with ground by the double-deck binding, this filtering draining geosynthetic fabrics can either preferably play the role of reinforcement filtering, it can play the role of wicking draining again, it solves the problems, such as in engineering construction while requiring isolation, reinforcement and drain function, the earth's surface water energy at roadbed is discharged quickly in this filtering draining geosynthetic fabrics, the sedimentation for reducing ground, increases the stability of structure.
Description
Technical field:
The present invention relates to geotextile technical fields more particularly to a kind of filtering to drain geosynthetic fabrics.
Background technique:
In infrastructure project, different geotextile products is different to the effect of construction road with engineering, for subgrade
Region, southern rainy regions are handled or collapse, surface water influences the stability of road structure and bearing capacity very big.When roadbed is long
Between ponding load-bearing, will cause subgrade settlement, phenomena such as pavement cracking, shorten the service life of roadbed, road surface, influence stability and
Bearing capacity.Although common geotextiles have the characteristics such as reinforcement, filtering, reverse osmosis, but do not have wicking drain function.Existing skill
Lack the geotextile that can be provided simultaneously with the drainage of preferable reinforcement filtration and drainage network in art.
Summary of the invention:
In order to solve the above-mentioned technical problems, the present invention provides a kind of filterings to drain geosynthetic fabrics, with higher
The characteristics such as tensile strength and tensile modulus, Thief zone and wicking draining.
The present invention is realized by following technical proposals:
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I, weft yarn II, characterized in that the warp thread is poly-
Polypropylene filaments, the weft yarn I are polypropylene monofilament or split yarn, and the II yarn body of weft yarn is provided with the wicking of preset quantity along axial direction
Channel；Fabric knitting uses and changes a layer structure in table, and fabric tissue uses plain weave alternative construction；The warp thread table is arranged with back warp
Than for 2:2, the weft yarn outer weft and back weft arranges substantially than being 1:2:1, and table passes through when being changed layer with ground through the double-deck binding completion.
In another aspect of the present invention, the wicking channels are the preset quantity being opened in II yarn of weft yarn along axial direction
Groove.
In another aspect of the present invention, the weft yarn II is doughnut, and the hollow space of the doughnut is
Wicking channels.
In another aspect of the present invention, II material of weft yarn is one of polyester, polypropylene or polyamide.
In another aspect of the present invention, the flat monofilament of the polypropylene include 94%-98% parts by weight polypropylene with
And the filler of 2%-6% parts by weight.
In another aspect of the present invention, the split yarn includes polypropylene, the 9%-15% of 82%-85% parts by weight
The polyethylene of parts by weight and the filler of 3%-6% parts by weight.
In another aspect of the present invention, it is 600dtex-2000dtex that the warp thread table, which is passed through with the line density of back warp,
Intensity is 5.5cn/dtex-6.0cn/dtex, elongation 8-10%, and 2% load at certain elongation accounts for the 30% of fracture load, 5%
Load at certain elongation accounts for the 70% of fracture load.
In another aspect of the present invention, the line density of weft yarn I is 3000dtex-6000dtex, intensity 6.0cn/
Dtex-6.5cn/dtex, elongation 6%-8%, 2% load at certain elongation account for the 35% of fracture load, and 5% load at certain elongation accounts for
The 75% of fracture load.
In another aspect of the present invention, the line density of weft yarn II is 500dtex-2000dtex, intensity 3.5cn/
Dtex-5.5cn/dtex, elongation 15%-30%.
In another aspect of the present invention, fabric through it is close be 80/10cm-180 root/10cm；The filling density of fabric is
35/10cm-150 root/10cm.
The beneficial effects of the present invention are:
This filtering draining geosynthetic fabrics can either preferably play the role of reinforcement filtering, and can play wicking
The effect of draining solves the problems, such as in engineering construction while requiring isolation, reinforcement and drain function.This filtering draining geotechnique
The earth's surface water energy at roadbed is discharged quickly in synthetic textiles, reduces the sedimentation of ground, increases the stability of structure.
Detailed description of the invention:
Fig. 1 is schematic structural view of the invention.
In attached drawing: 1, back warp, 2, table warp, 3, weft yarn I, 4, weft yarn II.
Specific embodiment:
Embodiments of the present invention are described further with reference to the accompanying drawings and embodiments:
In the description of this invention, it is to be understood that indicating position or positional relationship are described as based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " setting ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I 3, weft yarn II 4, the warp thread include 1 He of back warp
For table through 2, the back warp 1, cross-sectional shape of the table through 2, weft yarn I 3 can be rectangle, triangle or circle, and the back warp 1 and table pass through
2 use cross section for the flat monofilament of the polypropylene of flattened rectangular, line density 1540dtex, through close 122/10cm；The weft yarn I 3
For polypropylene monofilament or split yarn, weft yarn I 3 uses polypropylene split yarn 5000dtex in the present embodiment, and the weft yarn II 4 uses
Fibre in differentiation with wick effect, II 4 yarn body of weft yarn are provided with the wicking channels of preset quantity, the wicking channels along axial direction
For the groove for being opened in the preset quantity with II 4 yarn of weft yarn along axial direction.II 4 material of weft yarn is in polyester, polypropylene or polyamide
One kind, in the present embodiment, weft yarn II 4 using DuPont Corporation's production Coolmax long filament 500dtex；I 3 filling density of weft yarn
35/10cm, II 4 150/10cm of filling density of weft yarn, fabric knitting uses and changes a layer structure in table, and fabric tissue is changed using plain weave
Tissue；Fabric tissue cycling element is 10 weft yarns.Each fabric tissue cycling element Nei Biaoli Warp Tension Test 2:2, table back weft
Yarn arranges 1:2:1, and draws a weft weaving woven every 4 weft yarns, makes to form two sections in one group of completion fabric circulation
Two-layer fabric and completion table back warp changes layer.The flat monofilament of polypropylene includes the polypropylene and 6% parts by weight of 94% parts by weight
Filler.The split yarn includes polypropylene, the polyethylene of 15% parts by weight and the filling out for 3% parts by weight of 82% parts by weight
Material.The filler be Masterbatch, reinforcing agent, toughener, delustering agent, heat stabilizer, ultraviolet absorbing agent, ultra-violet stabilizer,
Anti-aging agent, antioxidant, matal deactivator, tackifier, thinner, fluorescent whitening agent, containing sulfur synergist, fire retardant, nucleating agent,
Plasticiser, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener, fireproof agent, antistatic agent, in foaming agent
It is one or more.The warp break intensity is 5.5cn/dtex, and elongation 10%, it is negative that 2% load at certain elongation accounts for fracture
The 30% of lotus, 5% load at certain elongation account for the 70% of fracture load.I 3 intensity of weft yarn be 6.3cn/dtex, elongation 8%, 2%
Load at certain elongation accounts for the 35% of fracture load, and 5% load at certain elongation accounts for the 75% of fracture load.The line density of the weft yarn II 4
For 500dtex, intensity 3.5cn/dtex, elongation 15%.
When weft yarn described in above-described embodiment and warp thread interweave, it is 2:2 that table, which is passed through with the arrangement ratio of back warp, and outer weft and back weft arrange
Than being 1:2:1；The arrangement of weft yarn II 4 and weft yarn I 3 is compared for 1:1:1:1:2:1:1:1:1, weft yarn I 3 and weft yarn II 4 and does outer weft
Back weft is done again.Fabric knitting single layer structure when weaving first weft thread forms latitude interlacing point, the 2nd, 3 warp thread with the 1st warp thread
It is formed through interlacing point, the 4th warp thread forms latitude interlacing point；Top fabric woven is weaved when weaving second weft yarn, the 1st, 2 warp thread is
Latitude interlacing point is presented in lower layer in back warp, and the 3rd, 4 warp thread is table warp, and the 3rd warp thread is in latitude interlacing point, and the 4th warp thread is in through group
It knits a little.Nexine fabric woven is weaved when weaving third root weft yarn, and the 1st, 2 warp thread is back warp, and the 1st warp thread is in the 2nd through interlacing point
Latitude interlacing point is presented in warp thread, and the 3rd, 4 warp thread is that table warp is presented on upper layer through interlacing point.When weaving the 4th weft yarn in weaving
Layer fabric, the 1st, 2 warp thread are back warp, and the 1st warp thread is in latitude interlacing point, and the 2nd warp thread is presented through interlacing point, the 3rd, 4 warp
Yarn is that table warp is presented on upper layer through interlacing point.Top fabric woven is weaved when weaving the 5th weft yarn, the 1st, 2 warp thread is that back warp exists
Latitude interlacing point is presented in lower layer, and the 3rd, 4 warp thread is table warp, and the 3rd warp thread is in through interlacing point, and the 4th warp thread is in latitude interlacing point.
Woven single fabric when weaving six roots of sensation weft yarn, the 1st, 4 warp thread are through interlacing point, and the 2nd, 3 warp thread is in latitude interlacing point.
Top fabric woven is weaved when weaving the 7th weft yarn, the 1st, 2 warp thread is table warp, and latitude interlacing point is presented in the 1st warp thread,
2nd warp thread is presented through interlacing point, and the 3rd, 4 warp thread is back warp in lower layer, and latitude interlacing point is presented.It is knitted when weaving the 8th weft yarn
Nexine fabric woven is made, the 1st, 2 warp thread is that table passes through on upper layer, is presented through interlacing point, the 3rd, 4 warp thread is back warp, and the 3rd warp thread is in
Now through interlacing point, latitude interlacing point is presented in the 4th warp thread.Nexine fabric woven is weaved when weaving the 9th weft yarn, the 1st, 2 warp thread is table
It on upper layer, is presented through interlacing point, the 3rd, 4 warp thread is back warp, and latitude interlacing point is presented in the 3rd warp thread, and warp is presented in the 4th warp thread
Interlacing point.Top fabric woven is weaved when weaving the tenth weft yarn, the 1st, 2 warp thread is that table passes through on upper layer, and the 1st warp thread is presented through group
It knits a little, latitude interlacing point is presented in the 2nd warp thread, and the 3rd, 4 warp thread is back warp in lower layer's presentation latitude interlacing point.
This filtering draining geosynthetic fabrics are used as warp thread and polypropylene monofilament or split yarn using polypropylene monofilament
Weft yarn I 3 and fibre in differentiation with wicking properties be weft yarn II 4；Trap drainage geosynthetic fabrics use and change layer in table
Structure is weaved into two-layer fabric.Basic fabrics' tissue uses plain weave alternative construction.Table pass through with back warp arrangement than be 2:2, outer weft with
Back weft is arranged substantially than being 1:2:1, and table is passed through and completed when being changed layer with ground by the double-deck binding, forms structure law and uniformly change
The two-layer fabric of tissue.Filtering draining geotechnique synthesizes woven special weaving structure and increases the surface area contacted with surface water,
And the effect of the fibre in differentiation of wick effect, accelerate the infiltration and discharge of surface water.Keep the earth's surface water energy at roadbed fast
Speed discharge, reduces the sedimentation of ground, increases the stability of structure.Using the breaking strength in embodiment to warp thread, weft yarn, elongation
Rate, 2% load at certain elongation account for the ratio of fracture load, 5% load at certain elongation accounts for the ratio of fracture load, elongation, line density,
The restriction of material is so that this filtering drains geosynthetic fabrics tensile strength, tensile modulus and Thief zone with higher
Property.Traditional plain polypropylene geotextile fabric is through to tensile strength 85kN/m, and fabric is through to tension elongation 11.2%, fabric
Through to 2% load at certain elongation 10kN/m, fabric is through to 5% load at certain elongation 49kN/m, effective aperture O90For 0.32mm, permeability
Q50For 1200L/m2/min, the present embodiment specific targets are as follows:
| Index name | 1 specific value of embodiment |
| Fabric is through to tensile strength (kN/m) | 83.5 |
| Fabric is through to tension elongation (%) | 11.5 |
| Fabric is through to 2% load at certain elongation (kN/m) | 12.5 |
| Fabric is through to 5% load at certain elongation (kN/m) | 52.3 |
| Effective aperture O90(mm) | 0.32 |
| Permeability Q50(L/m2/min) | 2300 |
Embodiment 2
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I 3, weft yarn II 4, the warp thread include 1 He of back warp
For table through 2, the back warp 1, cross-sectional shape of the table through 2, weft yarn I 3 can be rectangle, triangle or circle, and the back warp 1 and table pass through
2 use cross section for the flat monofilament of the polypropylene of flattened rectangular, line density 1100dtex, through close 142/10cm；The weft yarn I 3
For polypropylene monofilament or split yarn, weft yarn I 3 uses polypropylene split yarn 4500dtex in the present embodiment, and the weft yarn II 4 uses
Fibre in differentiation with wick effect, II 4 yarn body of weft yarn are provided with wicking channels along axial direction, and the weft yarn II 4 is doughnut,
The hollow space of the doughnut is wicking channels.In the present embodiment, weft yarn II 4 uses polyester hollow filament spinning 900D.Weft yarn I
3 40/10cm of filling density, II 4 70/10cm of filling density of weft yarn, fabric knitting use and change a layer structure in table, and fabric tissue uses plain weave
Alternative construction；Fabric tissue cycling element is 10 weft yarns.Each fabric tissue cycling element Nei Biaoli Warp Tension Test 2:2, table
In weft yarn arrangement 1:2:1, and draw a weft weaving woven every 4 weft yarns, make to be formed in one group of completion fabric circulation
Two sections of two-layer fabrics and completion table back warp changes layer.The flat monofilament of polypropylene includes the polypropylene and 6% weight of 94% parts by weight
Measure the filler of part.The split yarn includes the polypropylene of 82% parts by weight, the polyethylene of 15% parts by weight and 3% parts by weight
Filler.The filler is Masterbatch, reinforcing agent, toughener, delustering agent, heat stabilizer, ultraviolet absorbing agent, UV stable
Agent, antioxidant, matal deactivator, tackifier, thinner, fluorescent whitening agent, contains sulfur synergist, fire retardant, nucleation at anti-aging agent
Agent, plasticiser, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener, fireproof agent, antistatic agent, foaming
One of agent is a variety of.The warp break intensity is 6.0cn/dtex, and elongation 10%, 2% load at certain elongation accounts for disconnected
The 30% of load is split, 5% load at certain elongation accounts for the 70% of fracture load.I 3 intensity of weft yarn is 6.5cn/dtex, and elongation is
8%, 2% load at certain elongation accounts for the 35% of fracture load, and 5% load at certain elongation accounts for the 75% of fracture load.The weft yarn II 4
Line density is 900dtex, intensity 4.0cn/dtex, elongation 23%.
When weft yarn described in above-described embodiment and warp thread interweave, it is 2:2 that table, which is passed through with the arrangement ratio of back warp, and outer weft and back weft arrange
Than being 1:2:1；The arrangement of weft yarn II 4 and weft yarn I 3 is compared for 1:1:1:1:2:1:1:1:1, weft yarn I 3 and weft yarn II 4 and does outer weft
Back weft is done again.Fabric knitting single layer structure when weaving first weft thread forms latitude interlacing point, the 2nd, 3 warp thread with the 1st warp thread
It is formed through interlacing point, the 4th warp thread forms latitude interlacing point；Top fabric woven is weaved when weaving second weft yarn, the 1st, 2 warp thread is
Latitude interlacing point is presented in lower layer in back warp, and the 3rd, 4 warp thread is table warp, and the 3rd warp thread is in latitude interlacing point, and the 4th warp thread is in through group
It knits a little.Nexine fabric woven is weaved when weaving third root weft yarn, and the 1st, 2 warp thread is back warp, and the 1st warp thread is in the 2nd through interlacing point
Latitude interlacing point is presented in warp thread, and the 3rd, 4 warp thread is that table warp is presented on upper layer through interlacing point.When weaving the 4th weft yarn in weaving
Layer fabric, the 1st, 2 warp thread are back warp, and the 1st warp thread is in latitude interlacing point, and the 2nd warp thread is presented through interlacing point, the 3rd, 4 warp
Yarn is that table warp is presented on upper layer through interlacing point.Top fabric woven is weaved when weaving the 5th weft yarn, the 1st, 2 warp thread is that back warp exists
Latitude interlacing point is presented in lower layer, and the 3rd, 4 warp thread is table warp, and the 3rd warp thread is in through interlacing point, and the 4th warp thread is in latitude interlacing point.
Woven single fabric when weaving six roots of sensation weft yarn, the 1st, 4 warp thread are through interlacing point, and the 2nd, 3 warp thread is in latitude interlacing point.
Top fabric woven is weaved when weaving the 7th weft yarn, the 1st, 2 warp thread is table warp, and latitude interlacing point is presented in the 1st warp thread,
2nd warp thread is presented through interlacing point, and the 3rd, 4 warp thread is back warp in lower layer, and latitude interlacing point is presented.It is knitted when weaving the 8th weft yarn
Nexine fabric woven is made, the 1st, 2 warp thread is that table passes through on upper layer, is presented through interlacing point, the 3rd, 4 warp thread is back warp, and the 3rd warp thread is in
Now through interlacing point, latitude interlacing point is presented in the 4th warp thread.Nexine fabric woven is weaved when weaving the 9th weft yarn, the 1st, 2 warp thread is table
It on upper layer, is presented through interlacing point, the 3rd, 4 warp thread is back warp, and latitude interlacing point is presented in the 3rd warp thread, and warp is presented in the 4th warp thread
Interlacing point.Top fabric woven is weaved when weaving the tenth weft yarn, the 1st, 2 warp thread is that table passes through on upper layer, and the 1st warp thread is presented through group
It knits a little, latitude interlacing point is presented in the 2nd warp thread, and the 3rd, 4 warp thread is back warp in lower layer's presentation latitude interlacing point.
This filtering draining geosynthetic fabrics are used as warp thread and polypropylene monofilament or split yarn using polypropylene monofilament
Weft yarn I 3 and fibre in differentiation with wicking properties be weft yarn II 4；Trap drainage geosynthetic fabrics use and change layer in table
Structure is weaved into two-layer fabric.Basic fabrics' tissue uses plain weave alternative construction.Table pass through with back warp arrangement than be 2:2, outer weft with
Back weft is arranged substantially than being 1:2:1, and table is passed through and completed when being changed layer with ground by the double-deck binding, forms structure law and uniformly change
The two-layer fabric of tissue.Filtering draining geotechnique synthesizes woven special weaving structure and increases the surface area contacted with surface water,
And the effect of the fibre in differentiation of wick effect, accelerate infiltration and the passing away of surface water.Make the earth's surface water energy at roadbed
Quickly discharge, reduces the sedimentation of ground, increases the stability of structure.Using in embodiment to the breaking strength of warp thread, weft yarn, stretch
Long rate, 2% load at certain elongation account for the ratio of fracture load, 5% load at certain elongation account for fracture load ratio, elongation, line it is close
The restriction of degree, material is so that this filtering drains geosynthetic fabrics tensile strength with higher, tensile modulus and hypertonic
Permeability.The present embodiment specific targets are as follows:
| Index name | 2 specific value of embodiment |
| Fabric is through to tensile strength (kN/m) | 78.2 |
| Fabric is through to tension elongation (%) | 11.9 |
| Fabric is through to 2% load at certain elongation (kN/m) | 11.5 |
| Fabric is through to 5% load at certain elongation (kN/m) | 48.9 |
| Effective aperture O90(mm) | 0.35 |
| Permeability Q50(L/m2/min) | 2350 |
Embodiment 3
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I 3, weft yarn II 4, the warp thread include 1 He of back warp
For table through 2, the back warp 1, cross-sectional shape of the table through 2, weft yarn I 3 can be rectangle, triangle or circle, use in the present embodiment
Rectangle；The back warp 1 and table use cross section for the flat monofilament of the polypropylene of flattened rectangular through 2, line density 600dtex, through close 180
Root/10cm；The weft yarn I 3 is polypropylene monofilament or split yarn, and weft yarn I 3 uses polypropylene split yarn in the present embodiment
3000dtex, the weft yarn II 4 are provided with present count along axial direction using the fibre in differentiation with wick effect, II 4 yarn body of weft yarn
The wicking channels of amount, the wicking channels are the groove that the preset quantity with II 4 yarn of weft yarn is opened in along axial direction.The present embodiment
In, the Coolmax long filament 1000dtex that weft yarn II 4 is produced using DuPont Corporation, I 3 40/10cm of filling density of weft yarn, weft yarn
II 4 65/10cm of filling density, fabric knitting use and change a layer structure in table, and fabric tissue uses plain weave alternative construction；Fabric tissue follows
Ring element is 10 weft yarns.Each fabric tissue cycling element Nei Biaoli Warp Tension Test 2:2, weft yarn arrangement 1:2:1 in table, and it is every
Draw a weft weaving woven every 4 weft yarns, makes to form two sections of two-layer fabrics and completion table in one group of completion fabric circulation
Back warp changes layer.II 4 material of weft yarn is one of polyester, polypropylene or polyamide.The flat monofilament of polypropylene includes 94% weight
Measure the polypropylene of part and the filler of 6% parts by weight.The split yarn includes the polypropylene of 82% parts by weight, 15% parts by weight
The filler of polyethylene and 3% parts by weight.The filler is Masterbatch, reinforcing agent, toughener, delustering agent, heat stabilizer, ultraviolet
Light absorbers, anti-aging agent, antioxidant, matal deactivator, tackifier, thinner, fluorescent whitening agent, contain ultra-violet stabilizer
Sulfur synergist, fire retardant, nucleating agent, plasticiser, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener,
One of fireproof agent, antistatic agent, foaming agent are a variety of.The warp break intensity is 5.5cn/dtex, and elongation is
8%, 2% load at certain elongation accounts for the 30% of fracture load, and 5% load at certain elongation accounts for the 70% of fracture load.I 3 intensity of weft yarn is
6.0cn/dtex, elongation 6%, 2% load at certain elongation account for the 35% of fracture load, and 5% load at certain elongation accounts for fracture load
75%.The line density of the weft yarn II 4 is 1000dtex, intensity 4.0cn/dtex, elongation 22%.
This filtering draining geosynthetic fabrics are used as warp thread and polypropylene monofilament or split yarn using polypropylene monofilament
Weft yarn I 3 and fibre in differentiation with wicking properties be weft yarn II 4；Trap drainage geosynthetic fabrics use and change layer in table
Structure is weaved into two-layer fabric.Basic fabrics' tissue uses plain weave alternative construction.Table pass through with back warp arrangement than be 2:2, outer weft with
Back weft is arranged substantially than being 1:2:1, and table is passed through and completed when being changed layer with ground by the double-deck binding, forms structure law and uniformly change
The two-layer fabric of tissue.Filtering draining geotechnique synthesizes woven special weaving structure and increases the surface area contacted with surface water,
And the effect of the fibre in differentiation of wick effect, accelerate infiltration and the passing away of surface water.Make the earth's surface water energy at roadbed
Quickly discharge, reduces the sedimentation of ground, increases the stability of structure.Using in embodiment to the breaking strength of warp thread, weft yarn, stretch
Long rate, 2% load at certain elongation account for the ratio of fracture load, 5% load at certain elongation account for fracture load ratio, elongation, line it is close
The restriction of degree, material is so that this filtering drains geosynthetic fabrics tensile strength with higher, tensile modulus and hypertonic
Permeability.The present embodiment specific targets are as follows:
| Index name | 3 specific value of embodiment |
| Fabric is through to tensile strength (kN/m) | 50.3 |
| Fabric is through to tension elongation (%) | 10.9 |
| Fabric is through to 2% load at certain elongation (kN/m) | 7.49 |
| Fabric is through to 5% load at certain elongation (kN/m) | 31.1 |
| Effective aperture O90(mm) | 0.35 |
| Permeability Q50(L/m2/min) | 2800 |
Embodiment 4
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I 3, weft yarn II 4, the warp thread include 1 He of back warp
For table through 2, the back warp 1, cross-sectional shape of the table through 2, weft yarn I 3 can be rectangle, triangle or circle, and the back warp 1 and table pass through
2 use cross section for the flat monofilament of the polypropylene of flattened rectangular, line density 2000dtex, through close 126/10cm；The weft yarn I 3
For polypropylene monofilament or split yarn, weft yarn I 3 uses polypropylene split yarn 6000dtex in the present embodiment, and the weft yarn II 4 uses
Fibre in differentiation with wick effect, II 4 yarn body of weft yarn are provided with the wicking channels of preset quantity, the wicking channels along axial direction
For the groove for being opened in the preset quantity with II 4 yarn of weft yarn along axial direction.II 4 material of weft yarn is in polyester, polypropylene or polyamide
One kind, in the present embodiment, weft yarn II 4 using DuPont Corporation's production Coolmax long filament 2000dtex；I 3 filling density of weft yarn
50/10cm, II 4 80/10cm of filling density of weft yarn, fabric knitting uses and changes a layer structure in table, and fabric tissue is changed using plain weave
Tissue；Fabric tissue cycling element is 10 weft yarns.Each fabric tissue cycling element Nei Biaoli Warp Tension Test 2:2, table back weft
Yarn arranges 1:2:1, and draws a weft weaving woven every 4 weft yarns, makes to form two sections in one group of completion fabric circulation
Two-layer fabric and completion table back warp changes layer.The flat monofilament of polypropylene includes the polypropylene and 2% parts by weight of 98% parts by weight
Filler.The split yarn includes polypropylene, the polyethylene of 9% parts by weight and the filler of 6% parts by weight of 85% parts by weight.
The filler is Masterbatch, reinforcing agent, toughener, delustering agent, heat stabilizer, ultraviolet absorbing agent, ultra-violet stabilizer, prevents always
Agent, matal deactivator, tackifier, thinner, fluorescent whitening agent, contains sulfur synergist, fire retardant, nucleating agent, plasticizing at antioxidant
Agent, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener, fireproof agent, antistatic agent, one in foaming agent
Kind is a variety of.The warp break intensity is 5.5cn/dtex, and elongation 10%, 2% load at certain elongation accounts for fracture load
30%, 5% load at certain elongation accounts for the 70% of fracture load.I 3 intensity of weft yarn is 6.0cn/dtex, and elongation 6%, 2% stretches surely
Long load accounts for the 35% of fracture load, and 5% load at certain elongation accounts for the 75% of fracture load.The line density of the weft yarn II 4 is
1000dtex, intensity 5.5cn/dtex, elongation 30%.
This filtering draining geosynthetic fabrics are used as warp thread and polypropylene monofilament or split yarn using polypropylene monofilament
Weft yarn I 3 and fibre in differentiation with wicking properties be weft yarn II 4；Trap drainage geosynthetic fabrics use and change layer in table
Structure is weaved into two-layer fabric.Basic fabrics' tissue uses plain weave alternative construction.Table pass through with back warp arrangement than be 2:2, outer weft with
Back weft is arranged substantially than being 1:2:1, and table is passed through and completed when being changed layer with ground by the double-deck binding, forms structure law and uniformly change
The two-layer fabric of tissue.Filtering draining geotechnique synthesizes woven special weaving structure and increases the surface area contacted with surface water,
And the effect of the fibre in differentiation of wick effect, accelerate infiltration and the passing away of surface water.Make the earth's surface water energy at roadbed
Quickly discharge, reduces the sedimentation of ground, increases the stability of structure.Using in embodiment to the breaking strength of warp thread, weft yarn, stretch
Long rate, 2% load at certain elongation account for the ratio of fracture load, 5% load at certain elongation account for fracture load ratio, elongation, line it is close
The restriction of degree, material is so that this filtering drains geosynthetic fabrics tensile strength with higher, tensile modulus and hypertonic
Permeability.The present embodiment specific targets are as follows:
| Index name | 4 specific value of embodiment |
| Fabric is through to tensile strength (kN/m) | 113.6 |
| Fabric is through to tension elongation (%) | 11.8 |
| Fabric is through to 2% load at certain elongation (kN/m) | 16.9 |
| Fabric is through to 5% load at certain elongation (kN/m) | 71.1 |
| Effective aperture O90(mm) | 0.34 |
| Permeability Q50(L/m2/min) | 2540 |
Embodiment 5
A kind of filtering draining geosynthetic fabrics, including warp thread, weft yarn I 3, weft yarn II 4, the warp thread include 1 He of back warp
For table through 2, the back warp 1, cross-sectional shape of the table through 2, weft yarn I 3 can be rectangle, triangle or circle, and the back warp 1 and table pass through
2 use cross section for the flat monofilament of the polypropylene of flattened rectangular, line density 2000dtex, through close 80/10cm；The weft yarn I 3 is
Polypropylene monofilament or split yarn, weft yarn I 3 uses polypropylene split yarn 4000dtex in the present embodiment, and the weft yarn II 4 is using tool
There is the fibre in differentiation of wick effect, II 4 yarn body of weft yarn is provided with the wicking channels of preset quantity along axial direction, and the wicking channels are
The groove of the preset quantity with II 4 yarn of weft yarn is opened in along axial direction.II 4 material of weft yarn is in polyester, polypropylene or polyamide
One kind, in the present embodiment, weft yarn II 4 uses aerial polyamide filaments 1000dtex；I 3 40/10cm of filling density of weft yarn, weft yarn II 4
76/10cm of filling density, fabric knitting use and change a layer structure in table, and fabric tissue uses plain weave alternative construction；Fabric tissue circulation
Unit is 10 weft yarns.Fabric knitting uses and changes a layer structure in table, and fabric tissue uses plain weave alternative construction；Fabric tissue circulation
Unit is 10 weft yarns.Each fabric tissue cycling element Nei Biaoli Warp Tension Test 2:2, weft yarn arrangement 1:2:1 in table, and every
4 weft yarns draw a weft weaving woven, make to be formed in two sections of two-layer fabrics and completion table in one group of completion fabric circulation
Through changing layer.The flat monofilament of polypropylene includes the polypropylene of 98% parts by weight and the filler of 2% parts by weight.The split yarn packet
The polyethylene of polypropylene, 9% parts by weight containing 85% parts by weight and the filler of 6% parts by weight.The filler is Masterbatch, increases
Strong agent, toughener, delustering agent, heat stabilizer, ultraviolet absorbing agent, ultra-violet stabilizer, anti-aging agent, antioxidant, metallic blunt
Agent, tackifier, thinner, fluorescent whitening agent, containing sulfur synergist, fire retardant, nucleating agent, plasticiser, lubricant, emulsifier,
One of rheologic additive, catalyst, flow control agent, brightener, fireproof agent, antistatic agent, foaming agent are a variety of.The warp thread
Breaking strength is 5.5cn/dtex, elongation 10%, and 2% load at certain elongation accounts for the 30% of fracture load, 5% load at certain elongation
Account for the 70% of fracture load.I 3 intensity of weft yarn is 6.0cn/dtex, and elongation 7%, 2% load at certain elongation accounts for fracture load
35%, 5% load at certain elongation accounts for the 75% of fracture load.The line density of the weft yarn II 4 is 1000dtex, intensity 5.5cn/
Dtex, elongation 28%.
This filtering draining geosynthetic fabrics are used as warp thread and polypropylene monofilament or split yarn using polypropylene monofilament
Weft yarn I 3 and fibre in differentiation with wicking properties be weft yarn II 4；Trap drainage geosynthetic fabrics use and change layer in table
Structure is weaved into two-layer fabric.Basic fabrics' tissue uses plain weave alternative construction.Table pass through with back warp arrangement than be 2:2, outer weft with
Back weft is arranged substantially than being 1:2:1, and table is passed through and completed when being changed layer with ground by the double-deck binding, forms structure law and uniformly change
The two-layer fabric of tissue.Filtering draining geotechnique synthesizes woven special weaving structure and increases the surface area contacted with surface water,
And the effect of the fibre in differentiation of wick effect, accelerate infiltration and the passing away of surface water.Make the earth's surface water energy at roadbed
Quickly discharge, reduces the sedimentation of ground, increases the stability of structure.Using in embodiment to the breaking strength of warp thread, weft yarn, stretch
Long rate, 2% load at certain elongation account for the ratio of fracture load, 5% load at certain elongation account for fracture load ratio, elongation, line it is close
The restriction of degree, material is so that this filtering drains geosynthetic fabrics tensile strength with higher, tensile modulus and hypertonic
Permeability.The present embodiment specific targets are as follows:
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (10)
1. a kind of filtering drains geosynthetic fabrics, including warp thread, weft yarn I, weft yarn II, characterized in that the warp thread is poly- third
Alkene monofilament, the weft yarn I are polypropylene monofilament or split yarn, and the II yarn body of weft yarn is logical along the wicking that axial direction is provided with preset quantity
Road；Fabric knitting uses and changes a layer structure in table, and fabric tissue uses plain weave alternative construction；The warp thread table, which is passed through, arranges ratio with back warp
For 2:2, the weft yarn outer weft and back weft arranges substantially than being 1:2:1, and table passes through when being changed layer with ground through the double-deck binding completion.
2. a kind of filtering according to claim 1 drains geosynthetic fabrics, which is characterized in that the wicking channels are edge
Axially it is opened in the groove of the preset quantity with II yarn of weft yarn.
3. a kind of filtering according to claim 1 drains geosynthetic fabrics, which is characterized in that the weft yarn II is hollow
Fiber, the hollow space of the doughnut are wicking channels.
4. a kind of filtering according to claim 2 or 3 drains geosynthetic fabrics, which is characterized in that II material of weft yarn
Matter is one of polyester, polypropylene or polyamide.
5. a kind of filtering according to claim 1 drains geosynthetic fabrics, which is characterized in that the flat monofilament of polypropylene
The filler of 6% parts by weight of polypropylene comprising 98% parts by weight of 94%- and 2%-.
6. a kind of filtering according to claim 1 drains geosynthetic fabrics, which is characterized in that the split yarn includes
The filler of the polypropylene of 85% parts by weight of 82%-, the polyethylene of 9%-15% parts by weight and 3%-6% parts by weight.
7. a kind of filtering according to claim 1 drains geosynthetic fabrics, which is characterized in that the warp thread table pass through with it is inner
The line density of warp is 600dtex-2000dtex, and intensity 5.5cn/dtex-6.0cn/dtex, elongation 8-10%, 2% stretches surely
Long load accounts for the 30% of fracture load, and 5% load at certain elongation accounts for the 70% of fracture load.
8. a kind of filtering according to claim 1 or claim 7 drains geosynthetic fabrics, which is characterized in that the line density of weft yarn I
For 3000dtex-6000dtex, intensity 6.0cn/dtex-6.5cn/dtex, elongation 6%-8%, 2% load at certain elongation is accounted for
The 35% of fracture load, 5% load at certain elongation account for the 75% of fracture load.
9. a kind of filtering according to claim 8 drains geosynthetic fabrics, which is characterized in that the line density of weft yarn II is
500dtex-2000dtex, intensity 3.5cn/dtex-5.5cn/dtex, elongation 15%-30%.
10. a kind of filtering according to claim 8 or claim 9 drains geosynthetic fabrics, which is characterized in that fabric is through close
80/10cm-180 root/10cm；The filling density of fabric is 35/10cm-150 root/10cm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113684816A (en) * | 2021-08-30 | 2021-11-23 | 浙江理工大学 | Drainage reinforced soil body with high strength and stability |
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