CN2517783Y - Plastic civil engineering grid - Google Patents
Plastic civil engineering grid Download PDFInfo
- Publication number
- CN2517783Y CN2517783Y CN 01226457 CN01226457U CN2517783Y CN 2517783 Y CN2517783 Y CN 2517783Y CN 01226457 CN01226457 CN 01226457 CN 01226457 U CN01226457 U CN 01226457U CN 2517783 Y CN2517783 Y CN 2517783Y
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- grid
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- plastics
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model provides a plastic earth work grid, which is formed by a high strength high molecular band and a plastic connective band which are interlaced vertically and horizontally. The utility model is characterized in that the single-layer or double-layer high molecular band which is lengthways arrayed in a certain distance is connected with the arrayed high molecular band together by a strip fluidized plastic which is formed by broadwise injection molding; the upper surface and the lower surface of the formed plastic connective band simultaneously form a concavo-convex body which increases the frictional force with the earth body; cavernous structures which are used for the connection of the breadth of the earth work grid are respectively arranged at the two ends of the plastic connective band, and the connection of the pin which is matched with the hole. The earth work grid overcomes various degrees defaults which exist in the prior earth work reinforcement material. The utility model has the advantages that the tensile strength is powerful, the width of the grid can be wide or narrow, the production is simple, and the cost is low.
Description
The utility model belongs to the geosynthetics technical field, is specifically related to a kind of plastics geo-grid, belongs to E02D field in the International Patent Classification (IPC).
At roadbed, dykes and dams, in the engineering constructions such as bank protection, soft foundation, when earth stress is big, can creep, displacement, ftracture, stride accident such as collapse.For guaranteeing workmanship, existing often the employing is provided with reinforcement material in the soil body, with soil body generation rubbing action, with its stressed being delivered on the reinforcement material, thereby the soil body reinforced, reinforcement, reached the stability of the soil body.The normal at present reinforcement material that adopts geo-grid as the soil body, because geo-grid Quality Control tensile strength (KN/M) is higher than geonet and geotextiles, simultaneously, the muscle rib of formed uniqueness in its moulding drawing process is strengthened the resistance to plucking ability of geo-grid in soil.But the geo-grid that plastic sheet is made, because after the plastic sheet punching when continuously elongated at normal temperatures, the draw roll requirement of strength is very high, and the making of the geo-grid that the wide cut plastic sheet is made is difficulty very, and what the geo-grid product of simple tension at present was the wideest only is 1.5 meters.The obtained progress of geo-grid has the following aspects at present:
1. will stretch at vertical former draw direction through the geo-grid of simple tension again, form the geo-grid product of biaxial tension, its advantage can reach more than 4 meters for the product that forms, and such product can satisfy the requirement of geotechnical engineering aspect width.But its deficiency is, Quality Control tensile strength (KN/M) reduces relatively, and muscle rib shape converts point-like to by strip, thereby inserts that the back uplift resistance will decrease in the soil.
2. the silk and the strip material that macromolecular material are formed after simple tension are linked to be sheet through braiding or spot welding, form geo-grid.This series products can form the geo-grid of very high Quality Control tensile strength (KN/M), and forms the product of the required width of engineering.Because its width and Quality Control tensile strength are fit to the engineering demands of applications, therefore begun to be extensive use of, and use amount are in rising trend.But the geo-grid node strength that this kind method forms is lower, is generally 20% of the strength of materials.The example patent name is 2321816 utility model patent for " high-strength geotechnological reinforcement grid " authorization notification number, this patent is made stress unit by the composite plastic wire, each stress unit spacing is arranged, the longitudinal separation certain distance is established the ribs of plastic piece of horizontal crimping, this utility model and soil frictional force are not high, there are contact fracture or problem such as insecure, therefore, this series products is easily easily because of the node stress destruction, material deformation, consolidation effect is exerted an influence, and the section of this series products do not have the shape of muscle rib, the geo-grid that its uplift resistance in soil also directly stretches is low.
The purpose of this utility model is to be to overcome the defective in various degree that above-mentioned various geotechnological reinforcement material exists, provide a kind of strong with soil body snap-in force, the strong antiseptic property of resistance to plucking resistance to tension is good, and fabric width can be made as required, the latticed novel plastic geo-grid that cost is low.
Technical solution of the present utility model is as follows:
With the macromolecule band (or silk ribbon) of simple tension as stress unit, needs individual layer or double-deck vertically arrangement at interval in order according to actual engineering, the plastics connecting band that forms by the strip stream of plastic of horizontal injection mo(u)lding again, the macromolecule band of vertically arranging is linked together, form crisscross plastics geo-grid, the secondary wide of plastics geo-grid can be according to requirement of engineering, the macromolecule band is spaced into different in width, be made into different secondary wide geo-grid, be provided with the concavo-convex body that increases with soil body frictional force on the top layer up and down of the strip plastics connecting band of the horizontal injection mo(u)lding of geo-grid, the one-shot forming in the mould of injection moulding of concavo-convex body, simultaneously in the structure of the edge of geo-grid product straight forming, thereby guaranteed the requirement of entire product system using strength unanimity in engineering in order to the connection between the product width of cloth.
The utility model compared with prior art has following advantage:
1, Quality Control tensile strength is big, and it is strong to insert in the soil resistance to plucking ability; Because of adopting light weight, draws the utility model
Stretch the geo-grid that the high plastics connecting band of big polymer strip of intensity and intensity is formed, on the grid
Be provided with the concave-convex that increases with soil frictional force, thereby its Quality Control tensile strength is big, stings with the soil body
The ability of closing strengthens, and is strong to soil body resistance to plucking ability.
2, can form the suitable geo-grid of width that needs, because of vertically macromolecule band and laterally plastics
But the length free adjustment of connecting band, thereby can form according to requirement of engineering can wide geotechnique that can be narrow
Grid especially can form width greater than 1.5 meters geo-grid.
3, because the difference of this product and geo-grid forming method in the past can obtain desirable connection
Intensity.
The utility model also has long service life, and cost is low, and material source is advantage widely.
Be described further below in conjunction with drawings and Examples:
Fig. 1 is the figure of monolayer plastic geo-grid
Fig. 2 is a monolayer plastic geo-grid sectional view
Fig. 3 is the front view of double-layer plastic geo-grid
Fig. 4 is a difform concavo-convex body schematic diagram on the plastics geo-grid plastics connecting band
Fig. 5 is the structure chart of plastics geo-grid in order to connect between the width of cloth
In conjunction with figure explanation geo-grid, its longitudinally macromolecule band 1 can be individual layer, also can be bilayer, material can select for use on the market sell through the macromolecule band such as the strap of the high strength stretch-proof of axial tension, again by the strip stream of plastic of horizontal injection mo(u)lding, macromolecule band after arranging is linked together, form horizontal plastics connecting band 2, these strip plastics cooling and shaping in mould, make it to reach the grille-like of in soil, to produce of anticipation than large pulling resistance, be provided with the concavo-convex body 4 that increases with soil body frictional resistance force on the top layer up and down of the strip plastic strip of the horizontal injection mo(u)lding of this geo-grid, the one-shot forming in the mould of injection moulding of concavo-convex body, concaveconvex shape can be as the difformity among Fig. 4, but is not limited thereto.Simultaneously in the structure 3 of the edge of geo-grid product straight forming in order to the connection between the product width of cloth, it is poroid that connection shape between the width of cloth can be arranged to geometry at the edge, and insert wherein fixing with the plastic pin 6 that is complementary, the length of pin is greater than the thickness of grid, to guarantee to insert in the soil body, this plastics geo-grid can form the various grids by the different fabric widths of requirement of engineering.
Claims (3)
1, a kind of plastics geo-grid, by high-intensity macromolecule band and the plastics connecting band is crisscross forms, it is characterized in that individual layer or double-deck macromolecule band that a determining deviation is vertically arranged, strip stream of plastic by horizontal injection mo(u)lding in mould, macromolecule band after arranging is linked together, the upper and lower surface of connecting band forms the concavo-convex body that increases with soil body frictional force simultaneously in mould, and the cavernous structure that is used to connect.
2, plastics geo-grid according to claim 1 is characterized in that high-intensity macromolecule band can select existing macromolecule stripping such as making such as strap through axial tension for use.
3, plastics geo-grid according to claim 1 is characterized in that connecting hole can be made into geometry, and uses with the pin that the hole is complementary and fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226457 CN2517783Y (en) | 2001-06-06 | 2001-06-06 | Plastic civil engineering grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226457 CN2517783Y (en) | 2001-06-06 | 2001-06-06 | Plastic civil engineering grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2517783Y true CN2517783Y (en) | 2002-10-23 |
Family
ID=33642098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01226457 Expired - Fee Related CN2517783Y (en) | 2001-06-06 | 2001-06-06 | Plastic civil engineering grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2517783Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458022C (en) * | 2005-07-28 | 2009-02-04 | 上海大学 | Stereo reinforcement earth |
| CN106013036A (en) * | 2016-06-22 | 2016-10-12 | 安徽徽风新型合成材料有限公司 | Embedded bidirectional geogrid |
| CN106120700A (en) * | 2016-08-24 | 2016-11-16 | 泰安现代塑料有限公司 | GSZ and the preparation method of node is played based on note bump |
| CN108193574A (en) * | 2018-01-04 | 2018-06-22 | 中交第公路工程局有限公司 | Utilize the structure of the uneven layering filling antidetonation roadbed of sand-filled subgrade |
| CN108951600A (en) * | 2018-08-28 | 2018-12-07 | 赵艳红 | A kind of TGXG of welded connecting and preparation method thereof |
-
2001
- 2001-06-06 CN CN 01226457 patent/CN2517783Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458022C (en) * | 2005-07-28 | 2009-02-04 | 上海大学 | Stereo reinforcement earth |
| CN106013036A (en) * | 2016-06-22 | 2016-10-12 | 安徽徽风新型合成材料有限公司 | Embedded bidirectional geogrid |
| CN106013036B (en) * | 2016-06-22 | 2018-06-05 | 安徽徽风新型合成材料有限公司 | A kind of built-in bidirectional TGXG |
| CN106120700A (en) * | 2016-08-24 | 2016-11-16 | 泰安现代塑料有限公司 | GSZ and the preparation method of node is played based on note bump |
| CN106120700B (en) * | 2016-08-24 | 2018-10-19 | 泰安现代塑料有限公司 | The TGXG and preparation method of node are played based on note bump |
| CN108193574A (en) * | 2018-01-04 | 2018-06-22 | 中交第公路工程局有限公司 | Utilize the structure of the uneven layering filling antidetonation roadbed of sand-filled subgrade |
| CN108193574B (en) * | 2018-01-04 | 2021-06-15 | 中交一公局集团有限公司 | Structure for filling anti-seismic roadbed by utilizing uneven layering of sand filling roadbed |
| CN108951600A (en) * | 2018-08-28 | 2018-12-07 | 赵艳红 | A kind of TGXG of welded connecting and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |