CN208980864U - A kind of polypropylene reinforcement filtering geosynthetic fabrics - Google Patents
A kind of polypropylene reinforcement filtering geosynthetic fabrics Download PDFInfo
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Abstract
A kind of polypropylene reinforcement filtering geosynthetic fabrics, including warp thread, weft yarn I, weft yarn II, it is characterised in that: warp thread, weft yarn I are polypropylene monofilament, and weft yarn II is polypropylene split yarn；Fabric tissue cycling element is 10 weft yarns, in each cycling element weft yarn I and the setting of weft yarn II there are two types of weaving arrangement ratio, respectively 1:1 and 2:1, the weaving structure between weft yarn I and warp thread be ( ), weaving structure between weft yarn II and warp thread be ( )；The utility model designs a kind of variation fabric tissue using high-strength polypropylene flat-filament, circle silk, triangle wire and split yarn and is weaved by loom, the construction advantage for combining the earth working materials such as grid used in existing engineering, non-woven fabrics and common long filament woven geotextile solves isolation, high osmosis, high-tensile and the tensile modulus in engineering construction while required.
Description
Technical field:
The utility model relates to geosynthetic fabrics technical fields, are in particular a kind of polypropylene reinforcement filtering geotechniques
Synthetic textiles.
Background technique:
In infrastructure project construction, most of geosynthetics have significant contribution to engineering construction.Every kind of geotechnique closes
There is particularity to engineering construction design at material, need in road construction and basement process to the comprehensive of geosynthetics
It can require height, including isolation, infiltration and mechanical property.Engineering is furnished with good permeability and isolation performance, but mechanics with nonwoven
Index is poor, and tensile modulus is low；Although TGXG has good tensile modulus, but to the cladding energy of soil, fine sand and rubble
Power is poor, does not have isolation effect.A kind of polypropylene reinforcement filtering geosynthetic fabrics of the utility model design have good
Isolation effect, infiltration and reverse osmosis permeability and tensile modulus.Polypropylene reinforcement filters geosynthetic fabrics in road foundation construction
Not only play good isolation and permeability, but also there is very high tensile strength and tensile modulus, and with to soil, fine sand
And higher frictional property between rubble, the engineering construction time is shortened, ground settlement foundation deformation is reduced, prevents ground silt reverse osmosis
Isolation effect is played, and extends Road Service Life.
Summary of the invention:
To solve the above-mentioned problems, the utility model provide a kind of high osmosis, high-tensile and tensile modulus, every
A kind of polypropylene reinforcement good from property filters geosynthetic fabrics.
A kind of polypropylene reinforcement filtering geosynthetic fabrics, including warp thread, weft yarn I, weft yarn II, it is characterised in that: described
Warp thread, weft yarn I are polypropylene monofilament, and the weft yarn II is polypropylene split yarn；Fabric tissue cycling element is 10 weft yarns, often
There are two types of weave arrangement ratio, respectively 1:1 and 2:1, the weft yarn I and warp for weft yarn I and the setting of weft yarn II in a cycling element
Weaving structure between yarn isWeaving structure between the weft yarn II and warp thread is
Further, the warp thread, weft yarn I material be polypropylene and filler, the material of the weft yarn II be polypropylene,
Polyethylene and filler.
Into a ground, the warp thread, weft yarn I are polypropylene monofilament, and the weft yarn II uses polypropylene split yarn；The warp
Yarn, weft yarn I cross-sectional shape be one of rectangle, triangle, circle.
Further, the polypropylene monofilament includes the filler of the polypropylene of 94%-98%, 2%-6% by weight.
Further, the polypropylene split yarn include by weight the polypropylene of 82%-85%, 9% -15% it is poly-
Ethylene, 3%-6% filler mixture；
Further, 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, plasticiser, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener, fireproof agent, resists nucleating agent
One of electrostatic agent, foaming agent are a variety of.
Further, the warp thread, weft yarn I line density be 600dtex-2000dtex, intensity 5.5cn/dtex-
6.0cn/dtex, elongation 8-10%, 2% load at certain elongation account for the 35% of fracture load, and 5% load at certain elongation accounts for fracture
The 70% of load.
Further, the line density of the weft yarn II is 3000dtex-6000dtex, intensity 6.0cn/dtex-
6.5cn/dtex, elongation 6%-8%, 2% load at certain elongation account for the 40% of fracture load, and 5% load at certain elongation accounts for fracture
The 90% of load.
Further, the fabric through it is close be 100/10cm-150 root/10cm；The filling density of fabric be 30/
10cm-100 root/10cm.
The manufacturing method of above-mentioned synthetic textiles is when weft yarn and warp thread 1 interweave, successively to draw 1 weft yarn, I, 1 weft yarn respectively
II, 2 I, 1 weft yarns II of weft yarn of weft yarn II, 2 of weft yarn I, 1 of weft yarn II, 1 of weft yarn I, 1, Weaving Cycle totally 10 latitudes
Yarn, 4 warp thread；First warp thread and the intertexture of weft yarn I sequentially form 1 through interlacing point, 3 latitude interlacing points, 1 through interlacing point and
1 latitude interlacing point；First warp thread and the intertexture of weft yarn II sequentially form that 1 latitude interlacing point, 3 through interlacing point；Second warp thread
3 are sequentially formed through interlacing point, 1 latitude interlacing point, 1 through interlacing point and 1 latitude interlacing point with the intertexture of weft yarn I；Second warp
Yarn and the intertexture of weft yarn II sequentially form that 1 latitude interlacing point, 1 through interlacing point and 2 latitude interlacing points；Third root warp thread and weft yarn I
Intertexture sequentially form 3 latitude interlacing points, 1 through interlacing point, 1 latitude interlacing point and 1 through interlacing point；Third root warp thread and weft yarn
II, which interweaves, sequentially forms 2 through interlacing point, 1 latitude interlacing point and 1 through interlacing point；4th warp thread and weft yarn I interweave successively
Formed 1 latitude interlacing point, 1 through interlacing point, 1 latitude interlacing point and 3 through interlacing point；4th warp thread and weft yarn II interweave according to
3 latitude interlacing points of secondary formation, 1 through interlacing point.
The beneficial effects of the utility model are: the utility model is using high-strength polypropylene flat-filament, circle silk, triangle wire and splits film
Silk designs a kind of variation fabric tissue and is weaved by loom, combines grid used in existing engineering, non-woven fabrics and general
The construction advantage of the earth working materials such as elongated silk woven geotextile, it is the isolation for solving in engineering construction while requiring, hypertonic
Permeability, high-tensile and tensile modulus split film using the weft yarn I and polypropylene of polypropylene monofilament warp thread and polypropylene monofilament
The weft yarn II of silk；What weft yarn I and warp thread were formedThe first weaving structure and weft yarn II formed with warp thread
'sSecond of weaving structure, form irregular uniform fabric construction, can effectively increase fabric pore size
And permeability, improve the tensile modulus and frictional force of fabric, when use can rapid infiltrated filtering, reduce the sedimentation of subgrade, increase
The stability of engineering foundation structure is added.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model synthetic textiles.
Attached drawing 2 is the schematic process flow diagram of the utility model polypropylene monofilament drawing process step.
Attached drawing 3 is the schematic process flow diagram of the utility model polypropylene split yarn drawing process step.
In figure: 1, warp thread, 2, weft yarn I, 3, weft yarn II.
Specific embodiment:
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing, the utility model is further described in more detail.
In the description to the utility model, it is to be understood that the orientation or positional relationship of instruction is described as being based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of scope of protection of the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Fig. 1, a kind of polypropylene reinforcement filters geosynthetic fabrics, including warp thread 1, weft yarn I 2, weft yarn II 3,
It is characterized by: the warp thread 1, weft yarn I 2 are polypropylene monofilament, the weft yarn II 3 is polypropylene split yarn；Fabric tissue follows
Ring element is 10 weft yarns, and weft yarn I 2 and the setting of weft yarn II 3 are there are two types of weaving arrangement ratio in each cycling element, respectively 1:
1 and 2:1, the weaving structure between the weft yarn I 2 and warp thread 1 areThe weft yarn II 3 and warp thread 1 it
Between weaving structure be
The warp thread 1, weft yarn I 2 material be polypropylene and filler, the material of the weft yarn II 3 is polypropylene, polyethylene
And filler.
The warp thread 1, weft yarn I 2 are polypropylene monofilament, and the weft yarn II 3 uses polypropylene split yarn；The warp thread 1, latitude
The cross-sectional shape of yarn I 2 is one of rectangle, triangle, circle.
The polypropylene monofilament includes the filler of the polypropylene of 94%-98%, 2%-6% by weight.
As shown in Fig. 2, polypropylene monofilament wire drawing the specific process steps are as follows:
Drawing process principle will be added in extruder hopper after prepared dry materials, with the rotation material quilt of screw rod
Head is pushed in pressure to.Since screw channel volume is constantly reduced, material is constantly compacted during advance, gas, while quilt is discharged
Squeeze, shearing, increase temperature and absorb heater heat source gradually rise temperature of charge, after tri-state change, i.e., gradually from
Glassy state becomes elastomeric state, finally at viscous state, reaches complete plasticizing, squeezes out from spinneret spinneret orifice.Into cooling water tank
Cooling and shaping, water temperature are controlled at 30-40 DEG C, and spinneret is apart from water surface elevation 30-50mm.Base silk comes out from spinneret is divided into 3
Point, every silk all passes through fixed sub-wire slot, it is adjacent between without staggeredly, overlap joint, base silk removes surface by vacuum dewatering plant
Moisture prevents from entering in baking oven since hot-spot causes fracture of wire, since drafting system linear velocity is several times as much as traction device, base silk
When through baking oven, be stretched orientation, makes former rambling macromolecular chain Orienting ordered arrangement, so that reinforced phase is to pull-off force, then
Through 3 groups of roller heat-shapings, internal stress, last coiling and molding are eliminated.
Technological parameter such as the following table 1:
The polypropylene split yarn includes the polypropylene of 82%-85%, the polyethylene of 9%-15%, 3%- by weight
The mixture of 6% filler.
As shown in Fig. 3, the wire drawing of polypropylene split yarn the specific process steps are as follows:
Drawing process principle will be added in extruder hopper after prepared dry materials, with the rotation material quilt of screw rod
Head is pushed in pressure to.Since screw channel volume is constantly reduced, material is constantly compacted during advance, gas, while quilt is discharged
Squeeze, shearing, increase temperature and absorb heater heat source gradually rise temperature of charge, after tri-state change, i.e., gradually from
Glassy state becomes elastomeric state, finally at viscous state, reaches complete plasticizing, the extrusion film from T shape die lip.Film is from T shape die lip
Out, into cooling water tank cooling and shaping, water temperature is controlled at 30-40 DEG C, and T shape die lip is apart from water surface elevation 30-50mm.Film warp
Vacuum dewatering plant removal surface moisture is crossed, becomes the base silk of one fixed width, when base silk is through baking oven, base silk one by cutter device
While being heated, be stretched orientation on one side, makes former rambling macromolecular chain Orienting ordered arrangement, so that reinforced phase is to breaking
Power, then be formed through 2 groups of hot rollers, 1 room temperature roller, eliminate internal stress, last coiling and molding.
Technological parameter such as the following table 2:
The filler is that Masterbatch, reinforcing agent, toughener, delustering agent, heat stabilizer, ultraviolet absorbing agent, ultraviolet light are steady
Determine agent, anti-aging agent, antioxidant, matal deactivator, tackifier, thinner, fluorescent whitening agent, containing sulfur synergist, fire retardant, at
Core agent, plasticiser, lubricant, emulsifier, rheologic additive, catalyst, flow control agent, brightener, fireproof agent, antistatic agent, hair
One of infusion is a variety of.
The warp thread 1, weft yarn I 2 line density be 600dtex-2000dtex, intensity 5.5cn/dtex-6.0cn/
Dtex, elongation 8%-10%, 2% load at certain elongation account for the 35% of fracture load, and 5% load at certain elongation accounts for fracture load
70%.
The line density of the weft yarn II 3 is 3000dtex-6000dtex, and intensity 6.0cn/dtex-6.5cn/dtex stretches
Long rate is 6%-8%, and 2% load at certain elongation accounts for the 40% of fracture load, and 5% load at certain elongation accounts for the 90% of fracture load.
The fabric through it is close be 100/10cm-150 root/10cm；The filling density of fabric be 30/10cm-100 root/
10cm。
Embodiment 1
A kind of polypropylene reinforcement of the present embodiment filters geosynthetic fabrics, including warp thread 1, weft yarn I 2, weft yarn II 3, institute
Stating warp thread 1 uses cross section for the flat monofilament of the polypropylene of flattened rectangular, line density 1000dtex, through close 148/10cm；It is described
Weft yarn I 2 polypropylene circle silk 580dtex, the polypropylene split yarn 4500dtex of weft yarn II 3, I 2 60/10cm of filling density of weft yarn,
II 3 40/10cm of filling density of weft yarn, fabric tissue cycling element are 10 weft yarns, weft yarn I 2 and weft yarn II 3 in each cycling element
There are two types of weave arrangement ratio, respectively 1:1 and 2:1 for setting；Using two kinds of fabric tissues, weft yarn I 2 is formed with warp thread 1The first weaving structure and weft yarn II 3 and warp thread 1 formedSecond weaving
Structure.Since flat monofilament tensile modulus is high, weft yarn I 2 differs greatly with II 3 line density of weft yarn, cross-sectional shape and area, using two
Kind weaving structure improves the tensile modulus and permeability of geosynthetic fabrics.
Embodiment 2
A kind of polypropylene reinforcement of the present embodiment filters geosynthetic fabrics, including warp thread 1, weft yarn I 2, weft yarn II 3, institute
Stating warp thread 1 uses cross section for circular polypropylene circle monofilament, line density 1500dtex, through close 120/10cm；The weft yarn I
2 justify silk 600dtex, the polypropylene split yarn 4000dtex of weft yarn II 3, I 2 60/10cm of filling density of weft yarn, weft yarn with polypropylene
II 3 36/10cm of filling density.Fabric tissue cycling element is 10 weft yarns, and weft yarn I 2 and weft yarn II 3 are arranged in each cycling element
There are two types of weave arrangement ratio, respectively 1:1 and 2:1；Using two kinds of fabric tissues, weft yarn I 2 is formed with warp thread 1The first weaving structure and weft yarn II 3 and warp thread 1 formedSecond weaving
Structure.Since flat monofilament tensile modulus is high, weft yarn I 2 differs greatly with II 3 line density of weft yarn, cross-sectional shape and area, using two
Kind weaving structure improves the tensile modulus and permeability of geosynthetic fabrics.
Embodiment 3
A kind of polypropylene reinforcement of the present embodiment filters geosynthetic fabrics, including warp thread 1, weft yarn I 2, weft yarn II 3, institute
State the polypropylene monofilament that warp thread 1 uses cross section as triangle, line density 1250dtex, through close 127/10cm；The weft yarn
I 2 use the flat monofilament 680dtex of polypropylene, the polypropylene split yarn 5000dtex of weft yarn II 3, I 2 58/10cm of filling density of weft yarn, latitude
II 3 35/10cm of filling density of yarn.Fabric tissue cycling element is 10 weft yarns, and weft yarn I 2 is set with weft yarn II 3 in each cycling element
Arrangement ratio, respectively 1:1 and 2:1 are weaved there are two types of setting；Using two kinds of fabric tissues, weft yarn I 2 is formed with warp thread 1The first weaving structure and weft yarn II 3 and warp thread 1 formedSecond weaving
Structure.Since flat monofilament tensile modulus is high, weft yarn I 2 differs greatly with II 3 line density of weft yarn, cross-sectional shape and area, using two
Kind weaving structure improves the tensile modulus and permeability of geosynthetic fabrics.
The manufacturing method of synthetic textiles in above-described embodiment are as follows: when weft yarn and warp thread 1 interweave, successively draw 1 weft yarn respectively
I 2,1 weft yarns II 3 of weft yarn I 2,1 of weft yarn II 3,2 of weft yarn I 2,1 of weft yarn II 3,1 of weft yarn I 2,1 of weft yarn II 3,2,
Weaving Cycle totally 10 weft yarns, 4 warp thread 1；First warp thread 1 and the intertexture of weft yarn I 2 sequentially form 1 through interlacing point, 3 latitudes
Interlacing point, 1 through interlacing point and 1 latitude interlacing point；First warp thread 1 and weft yarn II 3 intertexture sequentially form 1 latitude interlacing point,
3 through interlacing point；Second warp thread 1 sequentially forms 3 through interlacing point, 1 latitude interlacing point, 1 through organizing with the intertexture of weft yarn I 2
Point and 1 latitude interlacing point；Second warp thread 1 and the intertexture of weft yarn II 3 sequentially form that 1 latitude interlacing point, 1 through interlacing point and 2
Latitude interlacing point；Third root warp thread 1 and weft yarn I 2 intertexture sequentially form 3 latitude interlacing points, 1 through interlacing point, 1 latitude interlacing point and
1 through interlacing point；Third root warp thread 1 and the intertexture of weft yarn II 3 sequentially form 2 through interlacing point, 1 latitude interlacing point and 1 through group
It knits a little；4th warp thread 1 and the intertexture of weft yarn I 2 sequentially form that 1 latitude interlacing point, 1 through interlacing point, 1 latitude interlacing point and 3
Through interlacing point；4th warp thread 1 and the intertexture of weft yarn II 3 sequentially form that 3 latitude interlacing points, 1 through interlacing point.
The utility model is used as the weft yarn I 2 and polypropylene split yarn of warp thread 1 and polypropylene monofilament using polypropylene monofilament
Weft yarn II 3；For warp thread 1 carefully through big, the fabric pore size of formation is more, and uses two kinds of fabric tissues, and weft yarn I 2 is formed with warp thread 1The first weaving structure and weft yarn II 3 and warp thread 1 formedSecond weaving
Structure, weft yarn and warp thread 1 form tubular structure in Weaving Cycle, reduce warp and weft interweaving number, improve through to tensile modulus
With raising permeability.Weft yarn I 2 differs greatly with II 3 line density of weft yarn, cross-sectional shape and area, and fabric surface is rough and uneven in surface, increases
Add the frictional property of fabric surface.
It is comparison with the plain polypropylene geotextiles of the polypropylene filament yarn woven geotextile of the prior art, twill weave structure
Example, compare respectively with the woven geotextiles of above-described embodiment 1 carry out through to tensile strength, through to tension elongation, 5% fixed elongation
Load, effective aperture O90With permeability Q50Test, testing standard is referring to GB/T 15788-2005.Test result is shown in Table 3.
3 test result of table
As shown in Table 3, under filling yarn density and the identical situation of weaving density, with polypropylene filament yarn woven geotextile and
Plain polypropylene geotextiles are compared, and the tension elongation of embodiment 1 is obviously low, and load at certain elongation when 2% and 5% is high, fabric
Corresponding tensile modulus is high, possesses better permeability.
The utility model uses the polypropylene yarn of high-modulus, and 1 cross section of warp thread is flat rectangle, circle and triangle, yarn
Line line density is small；Weft yarn is alternately weaved using two kinds of polypropylene monofilament and split yarn, and warp-stretch rate is low, 2% and 5% fixed elongation
Load is high, and tensile modulus significantly improves, good permeability；Fabric tissue uses two kinds, what weft yarn I 2 and warp thread 1 were formedThe first weaving structure, what weft yarn II 3 and warp thread 1 were formedSecond weaving
Structure, weft yarn and warp thread 1 form tubular structure in Weaving Cycle, reduce warp and weft interweaving number, increase fabric internal pore, mention
The tensile modulus and raising permeability of Gao Jingxiang.Engineering using when can embody good isolation effect, infiltration and reverse osmosis
Property and tensile modulus.The engineering construction time is shortened, ground settlement foundation deformation is reduced, prevents ground silt reverse osmosis from playing isolation
Effect, and extend Road Service Life.
It is those skilled in the art known technology in addition to the technical characteristic described in the specification.
Claims (5)
1. a kind of polypropylene reinforcement filters geosynthetic fabrics, including warp thread (1), weft yarn I (2), weft yarn II (3), feature exist
In: the warp thread (1), weft yarn I (2) they are polypropylene monofilament, and the weft yarn II (3) is polypropylene split yarn；Fabric tissue circulation
Unit is 10 weft yarns, and weft yarn I (2) and weft yarn II (3) setting are there are two types of arrangement ratio is weaved in each cycling element, respectively
1:1 and 2:1, the weaving structure between the weft yarn I (2) and warp thread (1) areThe weft yarn II (3) and warp
Weaving structure between yarn (1) is
2. a kind of polypropylene reinforcement as described in claim 1 filters geosynthetic fabrics, it is characterised in that the warp thread (1),
Weft yarn I (2) is polypropylene monofilament, and the weft yarn II (3) uses polypropylene split yarn；The warp thread (1), weft yarn I (2) it is transversal
Face shape is one of rectangle, triangle, circle.
3. a kind of polypropylene reinforcement as described in claim 1 filters geosynthetic fabrics, it is characterised in that the warp thread (1),
The line density of weft yarn I (2) is 600dtex-2000dtex, intensity 5.5cn/dtex-6.0cn/dtex, elongation 8%-
10%, 2% load at certain elongation accounts for the 35% of fracture load, and 5% load at certain elongation accounts for the 70% of fracture load.
4. a kind of polypropylene reinforcement as described in claim 1 filters geosynthetic fabrics, it is characterised in that the weft yarn II (3)
Line density be 3000dtex-6000dtex, intensity 6.0cn/dtex-6.5cn/dtex, elongation 6%-8%, 2% fixed
Elongation load accounts for the 40% of fracture load, and 5% load at certain elongation accounts for the 90% of fracture load.
5. a kind of polypropylene reinforcement as described in claim 1 filters geosynthetic fabrics, it is characterised in that the warp of the fabric
Close is 100/10cm-150 root/10cm；The filling density of fabric is 30/10cm-100 root/10cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821088026.6U CN208980864U (en) | 2018-07-10 | 2018-07-10 | A kind of polypropylene reinforcement filtering geosynthetic fabrics |
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| CN201821088026.6U CN208980864U (en) | 2018-07-10 | 2018-07-10 | A kind of polypropylene reinforcement filtering geosynthetic fabrics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691071A (en) * | 2018-07-10 | 2018-10-23 | 浩珂科技有限公司 | A kind of polypropylene reinforcement filtering geosynthetic fabrics and its manufacturing method |
| CN110904562A (en) * | 2019-12-14 | 2020-03-24 | 江苏常编集成科技有限公司 | Fabric structure and weaving mode of geotextile tube bag |
| CN116075610A (en) * | 2020-09-16 | 2023-05-05 | 尼科伦公司 | Woven fabric having comparable tensile strength in warp and weft directions |
-
2018
- 2018-07-10 CN CN201821088026.6U patent/CN208980864U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691071A (en) * | 2018-07-10 | 2018-10-23 | 浩珂科技有限公司 | A kind of polypropylene reinforcement filtering geosynthetic fabrics and its manufacturing method |
| CN108691071B (en) * | 2018-07-10 | 2024-04-19 | 浩珂科技有限公司 | Polypropylene reinforced filtering geosynthetic fabric and manufacturing method thereof |
| CN110904562A (en) * | 2019-12-14 | 2020-03-24 | 江苏常编集成科技有限公司 | Fabric structure and weaving mode of geotextile tube bag |
| CN116075610A (en) * | 2020-09-16 | 2023-05-05 | 尼科伦公司 | Woven fabric having comparable tensile strength in warp and weft directions |
| CN116075610B (en) * | 2020-09-16 | 2023-12-12 | 尼科伦公司 | Woven fabric having comparable tensile strength in warp and weft directions |
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