CN101255686B - High-strength earth work grille net - Google Patents
High-strength earth work grille net Download PDFInfo
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- CN101255686B CN101255686B CN200810034092XA CN200810034092A CN101255686B CN 101255686 B CN101255686 B CN 101255686B CN 200810034092X A CN200810034092X A CN 200810034092XA CN 200810034092 A CN200810034092 A CN 200810034092A CN 101255686 B CN101255686 B CN 101255686B
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Abstract
A high-strength earth work grille net is characterized in that the grille net is waved by the high-strength high-modulus northylen. The grille net is weaved by a plurality of high-strength high-modulus polythene cords. Each cord comprises a plurality of folds, and each fold comprises a plurality of threads. Each lattice of the grille net is quadrangle. The outer layer of the grille net is coated with art glue. The grille net of the invention has the advantages of remarkably high tensile strength, high corrosion resistance, high wearing resistance, low specific elongation, less creep deformation, stronger locking and engaging function to the soil body, effectively processing the soft earth base and the steep bank, restricting the lateral displacement of the soil body, overcoming the differential descending of the soil body, greatly increasing the bearing capacity of the ground work and increasing the whole capability of the ground work.
Description
Technical field
The present invention relates to a kind of earth work grille net that ground building courses such as highway, railway, water conservancy, water power, dykes and dams are reclaimed land from the sea, flood control use that is used for.
Background technology
Advanced nonmetallic composite; Have flourish over past ten years; Especially developed country is used as a big industry of develop high-tech new material to the application of advanced tencel material and complex technique thereof, has been widely used in field of civil engineering such as Aeronautics and Astronautics, quartermaster equipment exhibition area, sports equipment and bridge, tunnel, building strengthening reinforcement the nineties.Present known composite material is used has three fibrids: the one, and carbon fiber plate is used commonplace; Carbon fiber has excellent mechanical property and high-modulus advantage, be widely used in Aeronautics and Astronautics and structural strengthening field, but its intrinsic shear strength is low, shock resistance is poor; And the rigidity of sheet material own is difficult for the bending construction greatly; Carbon fiber has good electro permanent magnetic, causes defectives such as communication signal shielding, applies widely and hamper it.The 2nd, aramid fiber reinforced plastic, it has excellent mechanical property and anti-shearing, impact strength, can be prone to bending construction advantage.But what also have blemish in an otherwise perfect thing is water funk evil, keep in dark place and weakness such as shine, and brute force descends greatly after the immersion of aramid fiber sheet material, the illumination, so should not have water and long-term illumination field to use.Three, glass fabric, the glass fiber brute force has only 1/3rd of aramid fiber, high-tenacity polyethylene fibre 1/5th; Mechanical property is low; And its rigidity is strong, frangible, construction are difficult, and also not antiacid alkali and the illumination of non-uvioresistant can only be applicable in the low-grade composite material and make packing material.
And in the present building capital construction field, generally adopt the wire lath of working out by reinforcing bar and iron wire, and be used to carry the sedimentation load of the soil body, retrain the lateral displacement of the soil body, overcome the differential settlement of the soil body, to strengthen the supporting capacity of ground.But the grid that metal is compiled into, the mesh easy deformation, distortion back is difficult for replying, and folding volume is big, and the storage transportation is very inconvenient, and has a lot of insoluble problems at tensile strength, aspect such as corrosion-resistant, antimicrobial.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the problem that exists in the prior art, and a kind of high-strength earth work grille net that ground is built that is used for is provided.
In order to address the above problem technical scheme of the present invention is such:
A kind of high-strength earth work grille net is characterized in that, grid is worked out by the high-strength high-modulus polyethylene long filament.
Said grid is worked out by a plurality of high-strength high-modulus polyethylene bundles, and every bundle has the plural number thigh, and per share have plural number with long filament, and the single lattice of each of grid net are quadrangle.
Said high-strength high-modulus polyethylene bundle by plural number strand through parcel net through weaving together, per share silk 2400D～15000D, per share 240～3200 fiber filaments.
The warp-wise broadwise of said grid is all worked out with the high-strength high-modulus polyethylene bundle.
One of them works out the warp-wise of said grid or broadwise with the high-strength high-modulus polyethylene bundle, and another is to working out with the conventional polyester tow.
The skin of said grid is coated with technology glue.
Said technology glue is the PVC material.
Said technology glue is modified asphalt material.
Beneficial effect; Grid of the present invention has quite high tensile strength, highly corrosion resistant, high-wearing feature, low elongation, less creep, interlocking and the interlocking stronger to the soil body; Can handle soft foundation and abrupt slope dike effectively, retrain the lateral displacement of the soil body, overcome the differential settlement of the soil body; Strengthen the supporting capacity of ground greatly, improved the overall performance of ground.
Description of drawings
Specify the present invention below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is the structural representation of high-strength earth work grille net of the present invention;
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
High-strength, high-modulus polyethylene fiber is the high-performance fiber of one of the world today's three big tec fibers (carbon fiber, aramid fiber, high-strength, high-modulus polyethylene fiber), and it has the intensity height, modulus is big, density is little, toughness is good, the various chemical substances of ability corrode and ultraviolet light shines comprehensive excellent properties such as strong.
Ultra-high molecular weight polyethylene (UHMW-PE) fiber belongs to gel spinning or gel spinning.With the difference of general fibre, just be on relative " superelevation " two words of molecular weight.Common polythene is all the same with the molecular structure of UHMW-PE, all is to be raw material by several vinyl monomers, is polymerized through catalyst.Polyvinyl is a kind of thermoplastic compound (high molecular polymer), and (CH2-CH2-) n, molecular mass is in the super high molecular weight that is called more than 1,000,000 in the molecular formula writing.Conventional high-intensity fiber molecular weight is 50,000--and-30 ten thousand, the molecular weight of conventional chemical fibre approximately is 4.5 ten thousand.Though the matrix of material is identical, yet because molecular weight " superelevation ", it has given the material special performances, and particularly on physical characteristic, this also is the main cause that this fiber has high-strength and high-modulus.Polyvinyl is to be " linearity " molecular structure, is the toughness thermoplastic.Owing to the big reason of molecular weight (1,000,000-5,000,000); Make it at the special performance that has aspect some, as: high impact strength (shellproof), splendid abrasion resistance; Good self lubricity (can be made into special parts), excellent low temperature resistant and chemical stability (corrosion resistance) etc.
Under request in person referring to embodiment
Embodiment 1
Referring to Fig. 1
Shown in the figure is a kind of high-strength high-modulus polyethylene grid, grid radially be the high-strength high-modulus polyethylene fiber material, broadwise is the conventional polyester fibrous material; Many high-strength high-modulus polyethylene fiber bundles 1 radially and many conventional polyester fiber bundles 2 of broadwise are through being woven into nettedly through compiling and editing to loom, mesh is a quadrangle, length of side 35mm; The width of broadwise is a 2-6 rice; The radially long-distance Len req of producing as required, grid radially is packaged into round roller, lays during with convenient the use.
Every bundle high-strength high-modulus polyethylene fiber Shu Yousi thigh radially of grid gathers together, and by net 3 colligations through compiling, per share have many high-strength high-modulus polyethylene fiber silks to twist into, and per share silk 9000D is more than the ultimate tension 600KN/m of this product.
The conventional polyester fiber bundle of the broadwise of grid, two of every bundles only play interconnect function, do not bear pulling force.
Skin at grid is coated with technology glue, and technology glue is the PVC material or is modified asphalt material.Prevent that the grid tow is at random.
Above-mentioned grid, powerful high, can reach 200KN/m-15000KN/m through broadwise intensity; Be out of shape little, grid be 9%-12% through the broadwise elongation per unit length, creep is little, can effectively retrain soil deformation; Corrosion-resistant, at strong acid (1M hydrochloric acid), highly basic (5M NaOH).Soak into that following 6 months molecular structures are constant, intensity is constant; Light weight, with flexible grid (terylene or glass fiber grid) relatively, under the identical brute force, quality have only its 1/20, save cost of transportation greatly; Abrasion resistance is good, and this product abrasion resistance is greater than 1.1 * 10
5Inferior; Construct convenient, duration is short, and the laying of grid, overlap joint, location are simple, smooth easily, are convenient to the large tracts of land mechanized construction, the reduction of erection time.
The number of share of stock of every bundle fiber silk and the size of diameter and grid are confirmed in being high-strength high-modulus polyethylene fiber bundle braiding through broadwise and forming of grid as required, and all the other are with embodiment 1.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the manual just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. a high-strength earth work grille net is characterized in that, grid is worked out by the high-strength high-modulus polyethylene fiber long filament; The single lattice of each of grid net are quadrangle, and grid is worked out by a plurality of high-strength high-modulus polyethylene bundles, every bundle by plural number strand through parcel net through weaving together, per share have 240～3200 fiber filaments, a per share silk 2400D～15000D; The warp-wise broadwise of grid is all worked out with the high-strength high-modulus polyethylene bundle, perhaps warp-wise and broadwise one of them work out with the high-strength high-modulus polyethylene bundle, another is to working out with the conventional polyester tow; The skin of grid applies the technology glue of PVC or modified asphalt material.
2. a kind of high-strength earth work grille net according to claim 1 is characterized in that, its warp-wise intensity is 200KN/m-1500KN/m.
3. a kind of high-strength earth work grille net according to claim 1 is characterized in that, its latitudinal strength is 200KN/m-1500KN/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810034092XA CN101255686B (en) | 2008-02-29 | 2008-02-29 | High-strength earth work grille net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810034092XA CN101255686B (en) | 2008-02-29 | 2008-02-29 | High-strength earth work grille net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101255686A CN101255686A (en) | 2008-09-03 |
| CN101255686B true CN101255686B (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810034092XA Expired - Fee Related CN101255686B (en) | 2008-02-29 | 2008-02-29 | High-strength earth work grille net |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858076A (en) * | 2009-04-07 | 2010-10-13 | 常州市永新华立纺织复合材料有限公司 | High-strength warp knitting geogrid |
| CN103556468A (en) * | 2013-11-12 | 2014-02-05 | 贵州龙里蓝图新材料有限公司 | Ultra-high molecular weight polyethylene fiber geogrid and preparation method thereof |
| CN104499475A (en) * | 2014-12-11 | 2015-04-08 | 马克菲尔（长沙）新型支档科技开发有限公司 | Novel geogrid |
| CN110158957A (en) * | 2019-03-19 | 2019-08-23 | 上海三彩科技发展有限公司 | The method for doing hollow rendering layer with drain bar and plastics fishing net |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993019250A1 (en) * | 1992-03-23 | 1993-09-30 | The Tensar Corporation | Grid composite for backfill barriers and waste applications |
| EP1243716A1 (en) * | 2001-03-21 | 2002-09-25 | Monarflex A/S | A membrane, in particular a waterproofing membrane, and a method of producing a membrane, in particular a waterproofing membrane |
-
2008
- 2008-02-29 CN CN200810034092XA patent/CN101255686B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993019250A1 (en) * | 1992-03-23 | 1993-09-30 | The Tensar Corporation | Grid composite for backfill barriers and waste applications |
| EP1243716A1 (en) * | 2001-03-21 | 2002-09-25 | Monarflex A/S | A membrane, in particular a waterproofing membrane, and a method of producing a membrane, in particular a waterproofing membrane |
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|---|---|
| CN101255686A (en) | 2008-09-03 |
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Granted publication date: 20120328 Termination date: 20140229 |