CN102562104A - Grid-shaped plastic geogrid and manufacturing method thereof - Google Patents
Grid-shaped plastic geogrid and manufacturing method thereof Download PDFInfo
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- CN102562104A CN102562104A CN2012100248690A CN201210024869A CN102562104A CN 102562104 A CN102562104 A CN 102562104A CN 2012100248690 A CN2012100248690 A CN 2012100248690A CN 201210024869 A CN201210024869 A CN 201210024869A CN 102562104 A CN102562104 A CN 102562104A
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- 239000004033 plastic Substances 0.000 title claims abstract description 41
- 229920003023 plastic Polymers 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 35
- 210000003205 muscle Anatomy 0.000 claims description 18
- 238000013459 approach Methods 0.000 claims description 13
- -1 polypropylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 4
- 238000004873 anchoring Methods 0.000 abstract description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a grid-shaped plastic geogrid and a manufacturing method thereof. The geogrid is an integrally formed net-shaped structure comprising a plurality of grid-shaped structures, each grid-shaped structure comprises longitudinal ribs and transverse ribs, a thick rib and a tin rib are respectively alternatively arrayed so that the longitudinal ribs and the transverse ribs are formed, and joints are formed at crossed positions. The geogrid has the advantages that the thick ribs bear anchoring force of anchor rods, the thin ribs protect stone blocks, and the grid-shaped plastic geogrid has excellent integral rigidity.
Description
Technical field
The present invention relates to a kind of civil engineering work material.
Background technology
In civil engineering construction, use as reinforcement reinforcement effect structural meterials through plastic tensile mesh material commonly used, especially use as mining supporting and protection structure material, thick muscle bears the clamping force of anchor pole, the injury that the landing of the anti-stops stone of thin muscle etc. causes.This type material also can be used for protection and the protection in buffer action, engineering or garden, forest farm etc. in the construction work, has good isolation visual effect.
The plastic tensile mesh material has the multiple mode of production, and the employing plastic strip that has is welded into groined type or square or rectangular configuration, but its joint strength is difficult to satisfy construction requirement, does not often have the reinforcement reinforcement effect; Employing polyester fiber that has or glass fiber are through being woven into groined type or rectangular configuration; Then in the structure of its surface-coated organic protection layer; The joint strength of this structure also is difficult to satisfy the needs of engineering to intensity, especially is difficult to play integrally stiffened effect; The employing plastic plate that has is through going out the hole of the whole square or rectangle of arranging; The shape in its hole can be a various ways; Like circle, ellipse, Long Circle, square, rectangle etc.; Through vertically, laterally progressively stretching or synchro-draw; Thereby obtain groined type or square, rectangle, leg-of-mutton mesh material, the grid that this structural meterials forms compared with above-mentioned welding, braiding aspect supporting capacity has had good integrity, effect that node strength is high, has satisfied the requirement of engineering to bulk strength greatly.
But,, mining finds that there is damage in various degree at the fixing position of anchor pole in using, be a deadly defect for the grid of existing form, so the anchoring strong point is easy to destroyed, make supporting and protection structure some weakness that seems.
Summary of the invention
The invention discloses a kind of matrix pattern plastics GSZ and manufacturing approach thereof, this matrix pattern plastics GSZ has that thick muscle bears anchor-holding force of anchor bolt, thin muscle bears piece stone protective action and has fine integral rigidity.
Matrix pattern plastics GSZ of the present invention; The net structure that comprises a plurality of matrix pattern structures that it is formed in one; Each matrix pattern structure comprises longitudinal rib and horizontal bar, and longitudinal rib and horizontal bar are alternately arranged by a thick muscle and a thin muscle respectively, and the self intersection place forms node.
The manufacturing approach of matrix pattern plastics GSZ of the present invention comprises the steps:
The preparation plastic plate;
Hole array in this plastic plate formation rule arrangement; Wherein a unit is formed in four holes, forms the zone of broad between each unit, constitutes a matrix pattern array;
Through longitudinal stretching, cross directional stretch; Perhaps portraitlandscape synchro-draw simultaneously; The material of the weakened area that forms between hole and the hole is stretched; And the part material of the relative stiffened region that forms between a plurality of holes can only partly be stretched, thereby forms a thick muscle and an alternately arrangement of thin muscle at last, and the self intersection place forms the matrix pattern plastics GSZ of node.
Wherein, the thickness range of plastic plate is preferably 1-20mm; The pore diameter range in hole is preferably 1-50mm on the sheet material; The 0.1-30 that pitch of holes between any adjacent two rounds is preferably the aperture doubly.Before stretching sheet material is preheated to the 60-180 degree; The stretching ratio of plastic plate is preferably 6-12.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer, below through the technical scheme further explain of the specific embodiment to matrix pattern plastics GSZ of the present invention and manufacturing approach thereof.
As shown in Figure 1; Matrix pattern plastics GSZ of the present invention; The net structure that comprises a plurality of matrix pattern structures that it is formed in one; Each matrix pattern structure comprises longitudinal rib and horizontal bar, and longitudinal rib and horizontal bar are alternately arranged by a thick muscle and a thin muscle respectively, and the self intersection place forms node.
The manufacturing approach of matrix pattern plastics GSZ disclosed by the invention comprises the steps:
Preparing plastic sheet material; Plastic plate can be materials such as polyvinyl or polypropylene.
At the hole array that this plastic plate formation rule is arranged, as shown in Figure 2.The preferred hole array that adopts punching mode formation rule to arrange also can mold the sheet material with hole array through other extrusion ways on sheet material.
Form a unit by four holes, form the zone of broad between each unit, constitute a matrix pattern array.
Through longitudinal stretching, cross directional stretch; Perhaps portraitlandscape synchro-draw simultaneously; The material of the weakened area that forms between hole and the hole is stretched; And the part material of the relative stiffened region that forms between a plurality of holes can only partly be stretched, thereby forms a thick muscle and an alternately arrangement of thin muscle at last, and the self intersection place forms the matrix pattern plastics GSZ of node.
The thickness range of plastic plate is preferably 1-20mm.The pore diameter range in hole is preferably 1-50mm on the sheet material, and the pitch of holes between wherein any adjacent two rounds should be at the 0.1-30 in aperture doubly.
The stretching ratio of sheet material is looked the material difference and different, and its stretching ratio was generally at 6-12 times when sheet material was polypropylene, and its stretching ratio generally at 4-10 doubly when sheet material was polyvinyl.The stretching ratio basically identical of longitudinal and transverse two directions wherein; Stretching ratio on the direction that perhaps at first stretches; For example vertically bigger, lax resilience is to a certain degree arranged when carrying out cross directional stretch, thereby form matrix pattern plastics GSZ as shown in Figure 1.
According to foregoing description, the array towards well-regulated hole perhaps molds the sheet material with hole disclosed by the invention array through other extrusion ways, through multiplying power such as strict vertically, cross directional stretch, formed mesh material like Fig. 1.This structure can more rationally be accepted structure by what thick muscle bore that anchor-holding force of anchor bolt, thin muscle bear piece stone protective action, has increased the safety that the mine support process is used.
Embodiment 1:
The preparation polypropylene board; Raw material is selected polymer such as high density polyethylene (HDPE), polypropylene for use; Add auxiliary agents such as carbon black, UV resistant agent, antioxidant, after fully mixing, gone up automatically with vacuum feeder; Melt polymer with extruder at 180-280 ℃; And, be shaped into sheet material through three-roller calendar cooling, press polish through coat-hanger die extrusion board blank, cut unnecessary limit; Sheet metal thickness is 10mm;
Form matrix pattern hole array with punch press through punching at this plastic plate.Wherein, adjacent matrix pattern internal holes spacing is 10mm, aperture 4mm, matrix pattern array pitch 16mm;
This sheet material is through vertically, laterally about one by one 6-10 forms matrix pattern plastics GSZ after doubly etc. multiplying power stretches.Particularly, above-mentioned sheet material is preheating to 60-120 ℃, carries out longitudinal stretching, different according to material, stretching ratio becomes the simple tension goods to 6-10 times after the typing; Add with special fixture and hold, get into two-way preheating oven and carry out preheating, temperature is carried out cross directional stretch then at 80-180 ℃, stretching ratio to 6-10 doubly, and after the thermal finalization, become matrix pattern plastics GSZ, the back rolling of cutting edge.
Embodiment 2:
Prepare polyethylene board; Its thickness is 15mm;
Form matrix pattern hole array at this plastic plate through punching.Wherein, adjacent matrix pattern internal holes spacing is 20mm, aperture 10mm, matrix pattern array pitch 30mm;
After this sheet material stretches through multiplying powers such as 8-12 times of vertical, horizontal whiles, formation matrix pattern plastics GSZ.Particularly, above-mentioned sheet material is preheating to 60-180 ℃, carries out vertical, horizontal 8-12 simultaneously and doubly stretch, after the thermal finalization, become matrix pattern plastics GSZ, the back rolling of cutting edge.
According to foregoing description, the sheet material of hole array described in the invention perhaps is similar to the above-mentioned matrix pattern structural meterials that the present invention describes through the matrix pattern structural meterials that portraitlandscape stretch to form, the difference to some extent because stretching ratio of vertical and horizontal is different; So matrix pattern structural meterials of the present invention includes but not limited to the present invention's disclosed hole array and the geo-grid material of the plastic tensile matrix pattern structure that produces with the method.
Claims (10)
1. matrix pattern plastics GSZ; It is characterized in that; The net structure that comprises a plurality of matrix pattern structures that said grid is formed in one; Each matrix pattern structure comprises longitudinal rib and horizontal bar, and longitudinal rib and horizontal bar are alternately arranged by a thick muscle and a thin muscle respectively, and the self intersection place forms node.
2. matrix pattern plastics GSZ as claimed in claim 1 is characterized in that the material of this grid comprises polyvinyl or polypropylene.
3. the manufacturing approach of a matrix pattern plastics GSZ is characterized in that, comprises the steps:
The preparation plastic plate;
The hole array that formation rule is arranged on this plastic plate; Wherein a unit is formed in four holes, forms the zone of broad between each unit, constitutes a matrix pattern array;
Through longitudinal stretching cross directional stretch or portraitlandscape synchro-draw simultaneously then; The material of the weakened area that forms between hole and the hole is stretched; And the part material of the relative stiffened region that forms between a plurality of holes can only partly be stretched; Thereby form a thick muscle and an alternately arrangement of thin muscle at last, and the self intersection place forms the matrix pattern plastics GSZ of node.
4. manufacturing approach as claimed in claim 3 is characterized in that, the thickness range of this plastic plate is 1-20mm.
5. manufacturing approach as claimed in claim 3 is characterized in that, forms the hole array through the punching mode.
6. like claim 3 or 5 described manufacturing approaches, it is characterized in that the pore diameter range in the hole of formation is 1-50mm.
7. manufacturing approach as claimed in claim 3 is characterized in that, the pitch of holes between any adjacent two rounds be the aperture 0.1-30 doubly.
8. manufacturing approach as claimed in claim 3 is characterized in that, before stretching sheet material is preheated to the 60-180 degree.
9. manufacturing approach as claimed in claim 3 is characterized in that, the stretching ratio of plastic plate is 6-12.
10. manufacturing approach as claimed in claim 3 is characterized in that this plastic plate comprises polyvinyl or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100248690A CN102562104A (en) | 2012-02-06 | 2012-02-06 | Grid-shaped plastic geogrid and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100248690A CN102562104A (en) | 2012-02-06 | 2012-02-06 | Grid-shaped plastic geogrid and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102562104A true CN102562104A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100248690A Pending CN102562104A (en) | 2012-02-06 | 2012-02-06 | Grid-shaped plastic geogrid and manufacturing method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275263A (en) * | 2014-07-16 | 2016-01-27 | 泰安路德工程材料有限公司 | Integrated fluorescent safety warning net for isolation and manufacture method thereof |
| CN107300493A (en) * | 2017-08-23 | 2017-10-27 | 青岛理工大学 | Manufacturing die and manufacturing method for pore rock sample |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403810Y (en) * | 2000-02-02 | 2000-11-01 | 熊庆宜 | Bidirectional reinforced civil grille |
| CN201546217U (en) * | 2010-01-12 | 2010-08-11 | 南昌天高新材料股份有限公司 | Omnidirectional geotechnical grille |
| CN301575741S (en) * | 2010-12-28 | 2011-06-08 | 泰安路德工程材料有限公司 | Geogrid mesh (diamond mesh a) |
| CN202645597U (en) * | 2012-02-06 | 2013-01-02 | 肥城联谊工程塑料有限公司 | Plastic geogrid in the shape of a Chinese character "tian" |
-
2012
- 2012-02-06 CN CN2012100248690A patent/CN102562104A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403810Y (en) * | 2000-02-02 | 2000-11-01 | 熊庆宜 | Bidirectional reinforced civil grille |
| CN201546217U (en) * | 2010-01-12 | 2010-08-11 | 南昌天高新材料股份有限公司 | Omnidirectional geotechnical grille |
| CN301575741S (en) * | 2010-12-28 | 2011-06-08 | 泰安路德工程材料有限公司 | Geogrid mesh (diamond mesh a) |
| CN301618630S (en) * | 2010-12-28 | 2011-07-20 | 泰安路德工程材料有限公司 | Geogrid mesh (diamond mesh b) |
| CN202645597U (en) * | 2012-02-06 | 2013-01-02 | 肥城联谊工程塑料有限公司 | Plastic geogrid in the shape of a Chinese character "tian" |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275263A (en) * | 2014-07-16 | 2016-01-27 | 泰安路德工程材料有限公司 | Integrated fluorescent safety warning net for isolation and manufacture method thereof |
| CN107300493A (en) * | 2017-08-23 | 2017-10-27 | 青岛理工大学 | Manufacturing die and manufacturing method for pore rock sample |
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| ASS | Succession or assignment of patent right |
Owner name: FEICHENG LIANYI ENGINEERING PLASTICS CO., LTD. Free format text: FORMER OWNER: ZHANG YINTANG Effective date: 20121213 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121213 Address after: 271608 intersection of sun cattle road and fertilizer beam Road, Feicheng hi tech Development Zone, Shandong, China Applicant after: Feicheng Lianyi Engineering Plastics Co.,Ltd. Address before: 271608 city of Feicheng Province Wang Gua Zhu village of Shandong town No. 57 Applicant before: Zhang Yintang |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |