CN102061690A - Air permeable geocell - Google Patents
Air permeable geocell Download PDFInfo
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- CN102061690A CN102061690A CN2009102225352A CN200910222535A CN102061690A CN 102061690 A CN102061690 A CN 102061690A CN 2009102225352 A CN2009102225352 A CN 2009102225352A CN 200910222535 A CN200910222535 A CN 200910222535A CN 102061690 A CN102061690 A CN 102061690A
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- geocell
- air permeable
- strips
- vent
- air
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Abstract
The invention relates to an air permeable geocell, in particular to an air permeable geocell manufactured by propene polymer (PP) material strips. The air permeable geocell provided by the invention can make the humidity and temperature of fillings in each geocell to be consistent, thereby avoiding inconsistent states of the fillings in local geocells and other geocells. The air permeable geocell provided by the invention is formed by twisting and folding the strips and then connecting the adjacent strips at intervals in a staggered mode through connecting buckles; the strips among the adjacent connecting buckles form a single geocell after the connected geocell is stretched along the stretching edge at two ends so that the whole air permeable geocell is cellular; air permeable holes are formed on the strips; and the height of the air permeable holes gradually rises from the interior to the exterior on the strips. The air permeable holes in the invention adopt the semi-cutting type with the cut-off upper part and the lower part which is not cut off, and the formed hole tongues tilte inwards and stretch into the inner side geocells, thereby playing a role in preventing the fillings from flowing out and realizing the communication of the interior of each geocell.
Description
Technical field
The present invention relates to a kind of ventilative geotechnical grid, relate in particular to a kind of ventilative geotechnical grid of making by PP material ground band.
Background technology
The geotechnical grid reinforcement effect is to utilize its sheet material to have certain height, with the filler co-operation of filling wherein, interacts, and geotechnical grid provides a bigger lateral restraint effect to filler simultaneously.Sidewall has produced the friction supporting force that makes progress to the filler in the middle of it, has changed the wherein stress field and the displacement field of filler, has formed a complex with big compressive strength and shear strength.
When present geotechnical grid is applied to ground, require intensity, thickness, the humidity uniformity of the indoor filler of each lattice, with avoid local when filling amount of filler inhomogeneous, or situation such as the outside high humidity in back that rains, middle part humidity be little.The above-mentioned situation of local lattice chamber may cause top surface layer local collapse.
Summary of the invention
The present invention is directed to above problem, a kind of humidity, temperature unanimity that can make the indoor filler of each lattice is provided, thereby avoid local lattice chamber and the inconsistent ventilative geotechnical grid of the indoor filler state of other lattice.
Technical scheme of the present invention is: by ground bar tep reel folding, will be adjacent to the band interval, be formed by connecting alternately through junction button again; After geotechnical grid after the connection stretched along stretching limit, two ends, the ground band between the adjacent junction button formed single lattice chamber, makes integral body be cellular, and the ground band is provided with air-vent, described air-vent on the ground band height by in outwards raise gradually.
Described air-vent top is blocked, and the hole tongue of formation is inside.
Ground of the present invention band is formed by the simple tension of PP material, has sheet material hot strength height (more than the 250MPa), elongation per unit length low (in 10%), the materials cost is low, material is light, wear-resistant, ageing-resistant, resistance to chemical attack, broad application temperature range, hot strength height, rigidity, good toughness, anti-impact force is strong and the characteristics of dimensionally stable; But it is poor by the geotechnical grid gas permeability that this kind material is made.For realizing air permeable effect, there is production unit to adopt other poromeric materials to make, have the effect that prevents that the indoor filler of lattice runs off, but intensity is low.For the ground band of realizing the PP material has air permeable effect, and avoid the indoor filler of lattice to run off, the present invention is provided with air-vent on the ground band, air-vent by in outwards raise gradually, can breathe freely like this, permeable, the effect owing to gravity is difficult for causing the loss of filler; In addition, run off for further preventing filler, air-vent of the present invention has adopted the hemisection open form that top is blocked, the bottom is not blocked, the hole tongue that forms slopes inwardly, stretch in the inboard lattice chamber, can play the effect that hinders the filler outflow like this, but can realize the intercommunication of each lattice chamber interior.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is the ground band among the figure, the 2nd, and junction button, the 3rd, the button that is located by connecting, the 4th, locating pin, the 5th, outer most edge air-vent, the 6th, inboard air-vent;
Fig. 2 is the structural representation of air-vent among the present invention
50 is hole tongues among the figure.
The specific embodiment
As shown in Figure 1, ventilative geotechnical grid of the present invention will be adjacent to band 1 interval, be formed by connecting alternately through junction button 2 again by ground band 1 dish folding; After geotechnical grid after the connection stretched along stretching limit, two ends, the ground band between the adjacent junction button 2 formed single lattice chamber, makes integral body be cellular, and ground band 1 is provided with air-vent, air-vent on ground band 1 height by in outwards raise gradually.Outer most edge air-vent 5 is located at the bottom of outer most edge ground band 1, the height of inboard air-vent 6 be higher than air-vent on its ground, outside band 1 height, be lower than its height of air-vent on band medially.
As shown in Figure 2, air-vent top is blocked, and the hole tongue 50 of formation is inside.
For making construction more convenient, at least two buttons 3 that are located by connecting are set on the outermost stretching of the present invention limit, be connected with locating pin 4 on it.One people can stretch, lay.
Claims (2)
1. a ventilative geotechnical grid by ground bar tep reel folding, will be adjacent to the band interval, be formed by connecting alternately through junction button again; After geotechnical grid after the connection stretched along stretching limit, two ends, the ground band between the adjacent junction button formed single lattice chamber, makes integral body be cellular, it is characterized in that the ground band is provided with air-vent, described air-vent on the ground band height by in outwards raise gradually.
2. a kind of ventilative geotechnical grid according to claim 1 is characterized in that described air-vent top is blocked, and the hole tongue of formation is inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102225352A CN102061690A (en) | 2009-11-13 | 2009-11-13 | Air permeable geocell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102225352A CN102061690A (en) | 2009-11-13 | 2009-11-13 | Air permeable geocell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102061690A true CN102061690A (en) | 2011-05-18 |
Family
ID=43997172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102225352A Pending CN102061690A (en) | 2009-11-13 | 2009-11-13 | Air permeable geocell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102061690A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677647A (en) * | 2012-04-23 | 2012-09-19 | 泰安路德工程材料有限公司 | High-strength geocell |
| CN103556396A (en) * | 2013-10-28 | 2014-02-05 | 贾敬虎 | Fiber ecological geocell and manufacturing method thereof |
| CN103741664A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁百兰斯科技开发有限公司 | Load bearing type geogrid |
| CN103741662A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Geocell |
| CN103774634A (en) * | 2013-12-20 | 2014-05-07 | 广西南宁德通网络有限公司 | Breathable and stable type geogrid |
| CN105672332A (en) * | 2016-01-05 | 2016-06-15 | 中山大学 | Recoverable soil-protecting device for ecological slope protection |
| CN105862884A (en) * | 2016-04-06 | 2016-08-17 | 哈尔滨盛洋塑胶材料有限公司 | Cellular three-dimensional netlike slope protection net |
-
2009
- 2009-11-13 CN CN2009102225352A patent/CN102061690A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677647A (en) * | 2012-04-23 | 2012-09-19 | 泰安路德工程材料有限公司 | High-strength geocell |
| CN103556396A (en) * | 2013-10-28 | 2014-02-05 | 贾敬虎 | Fiber ecological geocell and manufacturing method thereof |
| CN103741664A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁百兰斯科技开发有限公司 | Load bearing type geogrid |
| CN103774634A (en) * | 2013-12-20 | 2014-05-07 | 广西南宁德通网络有限公司 | Breathable and stable type geogrid |
| CN103741662A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Geocell |
| CN105672332A (en) * | 2016-01-05 | 2016-06-15 | 中山大学 | Recoverable soil-protecting device for ecological slope protection |
| CN105862884A (en) * | 2016-04-06 | 2016-08-17 | 哈尔滨盛洋塑胶材料有限公司 | Cellular three-dimensional netlike slope protection net |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110518 |