CN204136518U - A kind of composite earthwork cloth - Google Patents
A kind of composite earthwork cloth Download PDFInfo
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- CN204136518U CN204136518U CN201420430557.4U CN201420430557U CN204136518U CN 204136518 U CN204136518 U CN 204136518U CN 201420430557 U CN201420430557 U CN 201420430557U CN 204136518 U CN204136518 U CN 204136518U
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Abstract
The utility model relates to a kind of composite earthwork cloth.It comprises first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, between first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, be fixed with woven geotextile layer by acupuncture mode.The utility model reasonable in design, combines Woven geofabric and non-woven geotextile advantage.
Description
Technical field:
The utility model relates to a kind of composite earthwork cloth.
Background technology:
Geotextiles, also known as geotextile, it is by the water penetration geosynthetics of synthetic fibers by acupuncture or braiding.Finished product is cloth-like, and general width is 4-6 rice, and length is 50-100 rice.Geotextiles has outstanding filtration, draining, isolation, reinforcement, antiseepage, protective action, have lightweight, tensile strength is high, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant.Geotextiles is divided into Woven geofabric and non-woven geotextile.
Non-woven geotextile to be arranged through different equipment and process by long filament or short fiber to reticulate, different fibers is being allowed to be interweaved together through techniques such as acupunctures, mutual entanglement set makes fabric specification, allow fabric sofetening, plentiful, abundant, stiffening, instructions for use is met to reach different thickness, non-woven geotextile has good fabric gap, there is good adhesive force, because fiber softening has certain lear energy, have simultaneously and be well out of shape adaptive capacity, there is good flat drainage ability simultaneously, soft surface Multiple level has good coefficient of friction, the adhesive ability of grogs etc. can be increased, can prevent fine particle from passing through, prevent the loss of particle to eliminate excessive moisture simultaneously, soft surface has good protective capability.They can play the effects such as good filtration, isolation, reinforcement, protection, are a kind of widely used geosynthetics.
The advantage of non-woven geotextile is: 1. good penetrability; 2. good heat preservation performance; 3. flexible, can restore; 4. there is no the directionality of cloth; 5. applied range, Main Function be engineering enhancing, isolation, anti-filter, draining, be widely used in the fields such as water conservancy, highway, railway, geotextiles also can be used in seepage control project as the protective layer of geomembrane, protection impervious barrier is not damaged; 6. the advantages such as speed of production is fast compared with woven geotextile, price is low, can produce in a large number.
The shortcoming of non-woven geotextile is: 1. with woven fabric phase specific strength and durability poor; 2. can not clean as other clothes; 3. fiber arranges in certain direction so easily split from right angle orientation.
Woven geofabric is made up of the yarn (or flat filament) that at least two groups are parallel, one group vertical (direction that fabric is advanced) along loom claims warp thread, another group lateral arrangement is called weft yarn, with technique, warp thread is made into cloth-like with different establishment braiding apparatus together with weft yarns, different thickness and packing can be woven into according to the different scopes of application, general Woven geofabric is thinner, in length and breadth to all having great tensile strength (longitude is greater than latitude), there is good stability.
The advantage of Woven geofabric is: 1. green strength is high; 2. Stability Analysis of Structures; 3. corrosion-resistant; 4. good water permeability; 5. wearability is good, and strength loss rate is little; 6. engineering parameter compliance rate is high.
The shortcoming of Woven geofabric is: 1. construction process requirement is high; 2. recoverability is poor; 3. complex manufacturing, yield poorly; 4. independent utility scope is little, and the reinforcement that Woven geofabric is generally applied to earthwork engineering project strengthens, and major function reinforces to strengthen, and has planar isolated and defencive function, do not possess flat drainage function.
In sum, the shortcoming of Woven geofabric and non-woven geotextile makes it be limited by very large in application aspect.Therefore, market need badly a kind of can in conjunction with the composite earthwork cloth product of Woven geofabric and non-woven geotextile advantage.
Utility model content:
The utility model provides a kind of composite earthwork cloth, its reasonable in design, combines Woven geofabric and non-woven geotextile advantage, solves problems of the prior art.
The utility model for solving the problems of the technologies described above adopted technical scheme is: it comprises first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, between first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, be fixed with woven geotextile layer by acupuncture mode.
Described first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth are acupuncture polypropylene chopped fiber geotextiles or terylene short fiber geotextiles.
Described woven geotextile layer is polypropylene filament yarn woven geotextile or polyester filament woven geotextile.
The utility model structure adopts such scheme, reasonable in design, combine the advantage of Woven geofabric and non-woven geotextile, make its height both with Woven geofabric indulge the features such as transverse tensile strength, high CBR bursting strength, low fracture elongation, have again the features such as the high adhesion force of non-woven geotextile, high drainage concurrently.In addition, due in acupuncture consolidation operation, by hangnail with sting operation in advance, the fiber on first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth is made to be retained in the first short fiber geotechnique layer of cloth respectively, between woven geotextile layer and the second short fiber geotechnique layer of cloth, enhance woven geotextile layer and the first short fiber geotechnique layer of cloth, peel strength between second short fiber geotechnique layer of cloth, woven geotextile layer is made firmly to be fixed between first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, thus make the first short fiber geotechnique layer of cloth, woven geotextile layer and the second short fiber geotechnique layer of cloth form a firmly entirety.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
In figure, the 1, first short fiber geotechnique layer of cloth, the 2, second short fiber geotechnique layer of cloth, 3, woven geotextile layer, 4, fiber.
Detailed description of the invention:
For clearly demonstrating the technical characterstic of this programme, below by detailed description of the invention, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in FIG., the utility model comprises first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2, between first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2, be fixed with woven geotextile layer 3 by acupuncture mode.First short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2 are acupuncture polypropylene chopped fiber geotextiles or terylene short fiber geotextiles, and they belong to non-woven geotextile.Woven geotextile layer 3 is polypropylene filament yarn woven geotextile or polyester filament woven geotextile, and they belong to Woven geofabric.
Preparation method of the present utility model is as follows: utilize high speed needling process, after first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2 difference shredding mixing, combing (or air-flow) become to net, unreeling machine is utilized to be placed in by woven geotextile layer 3 between first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2, upper, middle and lower three-decker is formed in lapping operation, namely upper strata is the first short fiber geotechnique layer of cloth 1, middle level is woven geotextile layer 2, lower floor is the second short fiber geotechnique layer of cloth 3, by drawing-off and the last shape cost product of acupuncture consolidation operation.
Acupuncture consolidation operation comprises hangnail, pre-thorn and main thorn operation.In hangnail operation, pricker moves from the bottom up, thus penetrate the second short fiber geotechnique layer of cloth 2, woven geotextile layer 3 and the first short fiber geotechnique layer of cloth 1 successively, make the barb of pricker scrape first short fiber geotechnique layer of cloth 1 on fiber 4, make fiber 4 be retained between the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 after back stitching, woven geotextile layer 3 is fixed between first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2.In pre-thorn operation, pricker moves from top to bottom, thus penetrate the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 successively, make the barb of pricker scrape second short fiber geotechnique layer of cloth 2 on fiber 4, make fiber 4 be retained between the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 after back stitching, woven geotextile layer 3 is fixed between first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2.By hangnail with sting operation in advance, the fiber 4 on first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2 is made to be retained between the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 respectively, enhance the peel strength between woven geotextile layer 3 and the first short fiber geotechnique layer of cloth 1, second short fiber geotechnique layer of cloth 2, make the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 form a firmly entirety.In main thorn operation, pricker pricker moves from top to bottom, be equivalent to secondary and sting operation in advance, but the gap between pricker is closeer than the gap in pre-thorn operation between pricker, punch frequency wants high, play the effect of the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2 after further compacting compound, improve every overall target of the present utility model.
The utility model reasonable in design, combine the advantage of Woven geofabric and non-woven geotextile, make its height both with Woven geofabric indulge the features such as transverse tensile strength, high CBR bursting strength, low fracture elongation, have again the features such as the high adhesion force of non-woven geotextile, high drainage concurrently.In addition, due in acupuncture consolidation operation, by hangnail with sting operation in advance, the fiber 4 on first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2 is made to be retained in the first short fiber geotechnique layer of cloth 1 respectively, between woven geotextile layer 3 and the second short fiber geotechnique layer of cloth 2, enhance woven geotextile layer 3 and the first short fiber geotechnique layer of cloth 1, peel strength between second short fiber geotechnique layer of cloth 2, woven geotextile layer 3 is made firmly to be fixed between first short fiber geotechnique's layer of cloth 1 and the second short fiber geotechnique layer of cloth 2, thus make the first short fiber geotechnique layer of cloth 1, woven geotextile layer 3 and the second short fiber geotextiles 2 layers form a firmly entirety.
Above-mentioned detailed description of the invention can not as the restriction to the utility model protection domain, and for those skilled in the art, any alternate modification make the utility model embodiment or conversion all drop in protection domain of the present utility model.
The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (3)
1. a composite earthwork cloth, is characterized in that: comprise first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, between first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth, be fixed with woven geotextile layer by acupuncture mode.
2. a kind of composite earthwork cloth according to claim 1, is characterized in that: described first short fiber geotechnique's layer of cloth and the second short fiber geotechnique layer of cloth are acupuncture polypropylene chopped fiber geotextiles or terylene short fiber geotextiles.
3. a kind of composite earthwork cloth according to claim 1, is characterized in that: described woven geotextile layer is polypropylene filament yarn woven geotextile or polyester filament woven geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430557.4U CN204136518U (en) | 2014-07-31 | 2014-07-31 | A kind of composite earthwork cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430557.4U CN204136518U (en) | 2014-07-31 | 2014-07-31 | A kind of composite earthwork cloth |
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| CN204136518U true CN204136518U (en) | 2015-02-04 |
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| CN201420430557.4U Active CN204136518U (en) | 2014-07-31 | 2014-07-31 | A kind of composite earthwork cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191741A (en) * | 2014-07-31 | 2014-12-10 | 山东浩阳新型工程材料股份有限公司 | Compound geotechnical cloth |
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2014
- 2014-07-31 CN CN201420430557.4U patent/CN204136518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191741A (en) * | 2014-07-31 | 2014-12-10 | 山东浩阳新型工程材料股份有限公司 | Compound geotechnical cloth |
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Address after: 251200 Yucheng province hi tech Development Zone, Dezhou, Yingbin Road, No. 168, No. Patentee after: Hao Yang environmental Limited by Share Ltd Address before: 251299 Yucheng province hi tech Development Zone, Dezhou, Yingbin Road, No. 168, No. Patentee before: Shandong Hao Yang new engineering material limited company |