CN106498925A - Ring-type carbon fiber earthwork grille - Google Patents
Ring-type carbon fiber earthwork grille Download PDFInfo
- Publication number
- CN106498925A CN106498925A CN201611223308.8A CN201611223308A CN106498925A CN 106498925 A CN106498925 A CN 106498925A CN 201611223308 A CN201611223308 A CN 201611223308A CN 106498925 A CN106498925 A CN 106498925A
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- Prior art keywords
- carbon fiber
- layer
- rib tape
- thermoplastic
- ring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0051—Including fibers
- E02D2300/0054—Including fibers made from plastic
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0051—Including fibers
- E02D2300/0068—Including fibers made from carbon
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0084—Geogrids
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention provides a kind of ring-type carbon fiber earthwork grille, including a plurality of rib tape, the a plurality of rib tape is staggered to network structure, node is formed from infall of the rib tape with rib tape, the rib tape includes center carbon fiber layer, inner thermoplastic's polymeric layer, external carbon layer and outer thermoplastic's polymeric layer from the inside to the outside successively, the center carbon fiber layer is wrapped in inner thermoplastic's polymeric layer, inner thermoplastic's polymeric layer is wrapped in the external carbon layer, and the external carbon layer is wrapped in outer thermoplastic's polymeric layer.In the present invention, the setting of carbon fiber layer enhances the tensile strength of rib tape, improve the creep-resistant property of rib tape, and there are good anti-corrosion effects, so as to increased tensile strength and the creep-resistant property of GSZ, extending the service life of grid；Rib tape is set to the sandwich construction for wrapping up successively, improves the mechanical strength of rib tape, and manufacture craft is simple, cheap.
Description
Technical field
A kind of a kind of the present invention relates to technical field of civil engineering, more particularly to geo-grid reinforcement structure, and in particular to ring-type
Carbon fiber earthwork grille.
Background technology
Carbon fiber is organic fiber through micro crystal graphite material obtained from carbonization and graphitization processing.The microcosmic knot of carbon fiber
Structure is similar to Delanium, is random graphits structure, is a kind of high-temperature fibre with very high intensity and modulus.Carbon fiber is one
The new material of kind excellent in mechanical performance, its proportion less than steel 1/4, carbon fiber resin composite material tensile strength reaches
More than 3500Mpa, is 7-9 times of steel, and tensile modulus of elasticity is higher than steel, is 230-430Gpa.
Carbon fiber is due to excellent performance, being processed into fabric, felt, seat, band, paper and other materials.Chinese patent
Publication number CN2753792Y authorized a kind of " carbon fiber earthwork grille " on January 25th, 2006, and which is technically characterized in that：Have
Coating, screen cloth, coating are coated in the periphery of screen cloth, the grid cloth that described screen cloth is woven into through warp knitting machines using carbon fiber.By
Carbon fiber is adopted for material in screen cloth, is formed through warp knitting machines braiding, high-tensile so as to take full advantage of carbon fibre material
Characteristic, is effectively ensured construction quality.
China Patent Publication No. CN104895040A, discloses a kind of " carbon fiber high-strength geotechnique's lattice on the 9th in September in 2015
Grid ", including integument, integument is by the extruded machine melting extrusion preparation of thermoplastic polymer, filler, carbon black and processing aid
Into grid rib wraps up continuous carbon fiber bundle by integument and is prepared from.There is GSZ rib to be staggered again to connect into
Different networks.
In above patent, although with the addition of carbon fiber bundle during grid is produced, but only producing material
Aspect is changed, for the rib tape structure of the composition material and grid for changing grid simultaneously, with the performance of enhanced grid
Research is still extremely short of.
Content of the invention
The present invention is directed to the deficiencies in the prior art, there is provided a kind of tensile strength is good and creep-resistant property is good, long service life
Ring-type carbon fiber earthwork grille.
The present invention is achieved through the following technical solutions, there is provided a kind of ring-type carbon fiber earthwork grille, including a plurality of muscle
Band, a plurality of rib tape are staggered to network structure, form node from the infall of rib tape and rib tape, the rib tape by interior extremely
Include center carbon fiber layer, inner thermoplastic's polymeric layer, external carbon layer and outer thermoplastic's polymeric layer successively outward, described
Center carbon fiber layer is wrapped in inner thermoplastic's polymeric layer, and inner thermoplastic's polymeric layer is wrapped in the exterior carbon
In fibrage, the external carbon layer is wrapped in outer thermoplastic's polymeric layer.
The setting of carbon fiber layer enhances the tensile strength of rib tape, improves the creep-resistant property of rib tape, and has very
Good anti-corrosion effects, so as to increased tensile strength and the creep-resistant property of GSZ, extend the service life of grid；
And the rib tape of the present invention is set to the sandwich construction for wrapping up successively, carbon fiber layer and thermoplastic polymer layer are spaced apart, carry
The high mechanical strength of rib tape, and manufacture craft is simple, cheap.
Preferably, the thermoplastic polymer layer includes in PP, PE, PA6, PA66, PVC, PC, POM and PS at least one
Kind, the extruded machine extrusion that combines together is prepared from.
Preferably, the thermoplastic polymer layer also includes thermoplastic elastomer (TPE) and reinforcer, the thermoplastic elastic
Body is the mixture of EPDM and butadiene-styrene rubber, and the reinforcer is nano-calcium carbonate, nano silicon, glass fibre
In at least one.
The addition of thermoplastic elastomer (TPE) enhances the weatherability and resistance to ag(e)ing of thermoplastic polymer, while making grid
Elasticity can be further enhanced, and improve the shock resistance of the grid；Nano-calcium carbonate has toughened and reinforced as plastic filler
Effect, improve grid bending strength and the modulus of elasticity in static bending, heat distortion temperature and dimensional stability, plastic products can be improved
Mobility in process, improves its mouldability；Nano silicon is the white powder of ultrafine nanometer, can be dispersed
In the space of thermoplastic elastomer (TPE) and thermoplastic as the blend of the matrix material of polymer, improve blend tensile strength with
Impact strength, meanwhile, it is capable to improve the processing fluidity of blend, makes that the composite of processing is homogeneous, and intensity is higher.
Preferably, the type of the carbon fiber is T700SC-12000-50C.
Preferably, the center carbon fiber layer is located at the center of the rib tape, the width of the center carbon fiber layer
For 4mm-5mm, thickness is 1mm-3mm.
Preferably, the center carbon fiber layer is to be expressed to need thickness by carbon fiber bundle through compacting machine, then cleaved
Machine cuts to the size of needs and forms.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect：
The present invention provides a kind of ring-type carbon fiber earthwork grille, and including a plurality of rib tape, a plurality of rib tape is staggered and reticulates
Structure, forms node from infall of the rib tape with rib tape, and the rib tape includes center carbon fiber layer, interior thermoplastic from the inside to the outside successively
Property polymeric layer, external carbon layer and outer thermoplastic's polymeric layer, the center carbon fiber layer are wrapped in the interior thermoplastic
In property polymeric layer, inner thermoplastic's polymeric layer is wrapped in the external carbon layer, the external carbon layer bag
It is wrapped in outer thermoplastic's polymeric layer.In the present invention, the setting of carbon fiber layer enhances the tensile strength of rib tape, improves
The creep-resistant property of rib tape, and there are good anti-corrosion effects, so that increased the tensile strength of GSZ and anti-
Croop property, extends the service life of grid；And the rib tape of the present invention is set to the sandwich construction that wraps up successively, carbon fiber layer
It is spaced apart with thermoplastic polymer layer, the setting of multilayer carbon fiber layer makes anti-corrosion effects more preferably, further increases rib tape
Mechanical strength, and manufacture craft is simple, cheap.
Description of the drawings
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it is clear that, to those skilled in the art, not
On the premise of paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of structural representation of ring-type carbon fiber earthwork grille provided in an embodiment of the present invention.
A-A sectional views of the Fig. 2 for Fig. 1.
Fig. 3 is the structural representation of another kind of ring-type carbon fiber earthwork grille provided in an embodiment of the present invention.
A-A sectional views of the Fig. 4 for rib tape.
B-B sectional views of the Fig. 5 for rib tape.
Shown in figure：Rib tape 1, node 2, center carbon fiber layer 11, inner thermoplastic's polymeric layer 12, external carbon layer
13rd, outer thermoplastic's polymeric layer 14.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
Apply the accompanying drawing in example, to the embodiment of the present invention in technical scheme be clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of the invention, rather than whole embodiment.Embodiment in based on the present invention, art technology
The every other embodiment obtained under the premise of creative work is not made by personnel, should all belong to the protection model of the present invention
Enclose.
Embodiment 1
Referring to Fig. 1, a kind of structural representation of ring-type carbon fiber earthwork grille provided in an embodiment of the present invention is shown.
As shown in Figure 1, the ring-type carbon fiber earthwork grille includes that a plurality of rib tape 1, a plurality of rib tape 1 are staggered to
Network structure, forms node 2 from the infall of rib tape and rib tape, during the rib tape 1 is as shown in Fig. 2 include successively from the inside to the outside
Heart carbon fiber layer 11, inner thermoplastic's polymeric layer 12, external carbon layer 13 and outer thermoplastic's polymeric layer 14, the center
Carbon fiber layer 11 is wrapped in inner thermoplastic's polymeric layer 12, and inner thermoplastic's polymeric layer 12 is wrapped in the outside
In carbon fiber layer 13, the external carbon layer 13 is wrapped in outer thermoplastic's polymeric layer 14.
In the present embodiment, 1 point of the rib tape for laterally disposed and vertical place two kinds, laterally disposed rib tape 1 and vertically
The rib tape 1 of placement intersects to form network structure, forms knot from the infall of laterally disposed rib tape 1 and the rib tape 1 that vertically places
Point 2, forms rectangular element at non-crossing, as shown in figure 1, four sides of the node 2 are set to arcuate structure, the present invention's
In other embodiment, the side of the node 2 can also be linear, i.e., node is the quadrangle of rule；The rib tape 1 is arranged
For the sandwich construction for wrapping up successively, as shown in Fig. 2 carbon fiber layer 11 centered on innermost layer, outermost layer is outer thermoplastic's polymerization
Nitride layer 14, carbon fiber layer and thermoplastic polymer layer's interval setting, the addition of carbon fiber enhance the tensile strength of rib tape 1 and resist
Croop property, and make rib tape 1 that there is good corrosion resistance, the service life of rib tape 1 is extended, so that rib tape 1 is handed over
The GSZ of wrong arrangement form has above-mentioned excellent properties, can be widely applied in the engineerings such as slope protection, retaining wall.
Further, the center carbon fiber layer 11 is located at the center of the rib tape 1, the center carbon fiber layer 11
Width is 4-5mm, and thickness is 1-3mm.This thickness and width arrange be rib tape 1 include four-layer structure, i.e. center carbon fiber layer 11,
On the premise of inner thermoplastic's polymeric layer 12, external carbon layer 13 and outer thermoplastic's polymeric layer 14, center carbon fiber layer
11 optimum size.In the present embodiment, the thickness of the center carbon fiber layer 11 is 3mm, and width is 5mm.
In the present embodiment, the thermoplastic polymer layer includes the mixture of PP and PE, also include thermoplastic elastomer (TPE) and
Reinforcer, described thermoplastic elastomer (TPE) are the mixture of EPDM and butadiene-styrene rubber, and described reinforcer is nanometer
Calcium carbonate, the type of described carbon fiber is T700SC-12000-50C, and center carbon fiber layer 11 is through compacting by carbon fiber bundle
Machine is expressed to thickness for 3mm, and then cleaved machine cuts to width and forms for 5mm.
In other embodiments of the invention, the outside of the outermost layer outer thermoplastic polymeric layer 14 of the rib tape 1 is also
Can continue to arrange carbon fiber layer, outer thermoplastic's polymeric layer 14 is wrapped in wherein, the outside continuation of the carbon fiber layer
Thermoplastic polymer layer is set, carbon fiber layer is wrapped in thermoplastic polymer layer, by that analogy, a rib tape 1 can be wrapped
The structure of more layers is included, being spaced for carbon fiber layer and thermoplastic polymer layer, specific number of plies root is set to from inside to outside
According to being actually needed setting, the width and thickness of the center carbon fiber layer 11 are also according to being actually needed setting.
Embodiment 2
The structure of the ring-type carbon fiber earthwork grille that the present embodiment is provided is identical with embodiment 1, except for the difference that, in the present embodiment
The thickness of center carbon fiber layer 11 is 1mm, and width is 4mm.In the present embodiment, the thermoplastic polymer layer includes PA6, PA66
With the mixture of PVC, also include thermoplastic elastomer (TPE) and reinforcer, described thermoplastic elastomer (TPE) is EPDM and butylbenzene
The mixture of rubber, described reinforcer are nano silicon, and the type of described carbon fiber is T700SC-12000-
50C, center carbon fiber layer 11 are to be expressed to thickness for 1mm by carbon fiber bundle through compacting machine, and then cleaved machine cuts to width
Form for 4mm.
Embodiment 3
The present embodiment provides a kind of ring-type carbon fiber earthwork grille, and which includes that a plurality of rib tape 1, a plurality of rib tape 1 are staggered
Structure being reticulated, node 2 being formed from infall of the rib tape with rib tape, the structure of the rib tape 1 is as shown in figure 4, set inside rib tape 1
The carbon fiber layer of shape aciculiform shape is put back into, and the thickness of carbon fiber layer is 2mm, width is 5mm, in the space of the clip shape
Filling thermoplastic, polymeric materials, wrap up thermoplastic, polymeric materials again in the outside of the carbon fiber layer of clip shape, make carbon
Fibrous material and thermoplastic, polymeric materials are combined closely, and improve the mechanical performance of rib tape 1；The thermoplastic polymer of the present embodiment
Layer includes the mixture of PC, POM and PS, also includes thermoplastic elastomer (TPE) and reinforcer, and described thermoplastic elastomer (TPE) is three
First second third and the mixture of butadiene-styrene rubber, described reinforcer are glass fibre, and the type of described carbon fiber is T700SC-
12000-50C.
Embodiment 4
The present embodiment provides a kind of ring-type carbon fiber earthwork grille, and which includes that a plurality of rib tape 1, a plurality of rib tape 1 are staggered
Structure being reticulated, node 2 being formed from infall of the rib tape with rib tape, the structure of the rib tape 1 is as shown in figure 5, rib tape 1 includes heat
Thermoplastic polymer material layer and layer of carbon fiber material, the layer of carbon fiber material are wrapped in the thermoplastic polymer material
Interior, and the layer of carbon fiber material extends in serpentine in the axial direction of rib tape 1, the thickness of serpentine layer of carbon fiber material is 3mm, wide
Spend for 5mm, in the space of serpentine carbon fiber layer, fill thermoplastic, polymeric materials, make layer of carbon fiber material and thermoplasticity polymerization
Thing material layer preferably coordinates, and makes rib tape be provided simultaneously with both performances, improves the mechanical property of rib tape, so as to improve rib tape
The performance of 1 GSZ that makes；In the present embodiment, thermoplastic polymer layer includes PP materials, thermoplastic elastomer (TPE) and enhancing
Filler, the described thermoplastic elastomer (TPE) are the mixture of EPDM and butadiene-styrene rubber, and the reinforcer is nano-sized carbon
Sour calcium and the mixture of nano silicon, the type of the carbon fiber is T700SC-12000-50C.
The performance test of the ring-type carbon fiber earthwork grille that above-described embodiment 1 is provided to embodiment 4 and contrast are such as table 1 below institute
Show：
Table 1：Each embodiment the performance test results contrast
| Project | Per linear meter(lin.m.) tensile yield power, KN/m >= | Yield elongation rate, %≤ | Tensile force during 2% elongation, KN/M >= | Tensile force during 5% elongation, KN/M >= | Tensile strength, KN |
| Embodiment 1 | 65 | 7 | 23 | 40 | 200 |
| Contrast 1 | 50 | 14 | 15 | 28 | 160 |
| Embodiment 2 | 58 | 8 | 20 | 35 | 180 |
| Contrast 2 | 48 | 15 | 13 | 27 | 150 |
| Embodiment 3 | 60 | 7 | 22 | 38 | 190 |
| Contrast 3 | 49 | 14 | 12 | 28 | 155 |
| Embodiment 4 | 63 | 7 | 23 | 35 | 200 |
| Contrast 4 | 50 | 14 | 15 | 28 | 160 |
| Blank | 50 | 10 | 10 | 25 | 120 |
In above-mentioned table 1, contrast 1 refers to identical with embodiment 1 using material, the difference is that only, 1 direct use of contrast
One layer of thermoplastic polymer layer wraps up one layer of center carbon fiber layer, and the width and thickness of center carbon fiber layer and embodiment are homogeneous
With；Contrast 2 is identical with contrast 1 and the difference of embodiment 1 with the difference of embodiment 2, contrasts 3 structure and contrast 1, contrasts 2
Structure is identical, and contrast 3 is identical with the material that embodiment 3 is used, and contrasts thickness and width and the embodiment of 3 center carbon fiber layer
In 3, the thickness and width of the carbon fiber layer of clip shape is just as, contrast 4 and the difference of embodiment 4 and contrast 3 and embodiment 3
Difference identical；Blank refers to that rib tape 1 only has thermoplastic polymer layer, does not contain carbon fiber.
As shown in Table 1, the embodiment of the present invention 1 is right due to which to the performance for implementing the 4 ring-type carbon fiber earthwork grilles for providing
According to group, show that the special construction of the ring-type carbon fiber earthwork grille of present invention offer makes it have excellent performance.
Corrosion resistance test is carried out respectively to contrast 4 and blank to embodiment 1 to embodiment 4, contrast 1, has been adopted
Static immersing method, each sample is immersed in the sodium chloride solution that concentration is 50g/L, and experimental temperature is set to 25 DEG C, experimental period
Age be 1d, 15d, 30d, 90d, 180d, 360d, the change of the outward appearance of test sample, hardness Barcol, bending strength with soak time
Change, test result shows, the embodiment of the present invention 1 is bright to the decay resistance for implementing the 4 ring-type carbon fiber earthwork grilles for providing
Show better than contrast 1 to contrast 4 and blank control group.
In other embodiments of the invention, the rib tape 1 can be divided into laterally disposed, vertical placement and oblique placement
Three kinds, three's infall forms node 2, forms triangular element, as shown in figure 3, the rib tape 1 of the oblique placement at non-crossing
Width be slightly less than described laterally and the rib tape 1 vertically placed, or, the width of the rib tape 1 of the oblique placement can with
Laterally, the width of the vertical rib tape 1 that places is identical.
Certainly, described above is also not limited to the example above, the present invention can pass through without the technical characteristic of description or
Realized using prior art, be will not be described here；Above example and accompanying drawing are merely to illustrate technical scheme not
It is limitation of the present invention, reference has preferred embodiment been described in detail to the present invention, the ordinary skill people of this area
Member it should be appreciated that those skilled in the art the present invention essential scope in made change, remodeling, interpolation
Or replace without departure from spirit of the invention, should also belong to the claims of the present invention.
Claims (6)
1. a kind of ring-type carbon fiber earthwork grille, including a plurality of rib tape（1）, a plurality of rib tape（1）It is staggered and reticulates knot
Structure, forms node from infall of the rib tape with rib tape（2）, it is characterised in that the rib tape（1）Include center from the inside to the outside successively
Carbon fiber layer（11）, inner thermoplastic's polymeric layer（12）, external carbon layer（13）With outer thermoplastic's polymeric layer（14）, institute
State center carbon fiber layer（11）It is wrapped in inner thermoplastic's polymeric layer（12）Interior, inner thermoplastic's polymeric layer（12）Bag
It is wrapped in the external carbon layer（13）Interior, the external carbon layer（13）It is wrapped in outer thermoplastic's polymeric layer
（14）Interior.
2. ring-type carbon fiber earthwork grille according to claim 1, it is characterised in that the thermoplastic polymer layer includes
At least one in PP, PE, PA6, PA66, PVC, PC, POM and PS, the extruded machine extrusion that combines together are prepared from.
3. ring-type carbon fiber earthwork grille according to claim 2, it is characterised in that the thermoplastic polymer layer also wraps
Thermoplastic elastomer (TPE) and reinforcer is included, the thermoplastic elastomer (TPE) is EPDM and the mixture of butadiene-styrene rubber, the increasing
Strong filler is nano-calcium carbonate, nano silicon, at least one in glass fibre.
4. ring-type carbon fiber earthwork grille according to claim 1, it is characterised in that the type of the carbon fiber is
T700SC-12000-50C.
5. the ring-type carbon fiber earthwork grille according to any one of claim 1-4, it is characterised in that the center carbon fiber
Layer（11）It is located at the rib tape（1）Center, the center carbon fiber layer（11）Width be 4mm-5mm, thickness is
1mm-3mm.
6. ring-type carbon fiber earthwork grille according to claim 5, it is characterised in that the center carbon fiber layer（11）It is
Being expressed to through compacting machine by carbon fiber bundle needs thickness, and then cleaved machine cuts to the size of needs and forms.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223308.8A CN106498925B (en) | 2016-12-27 | 2016-12-27 | Annular carbon fiber earthwork grille |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223308.8A CN106498925B (en) | 2016-12-27 | 2016-12-27 | Annular carbon fiber earthwork grille |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753792Y (en) * | 2004-07-09 | 2006-01-25 | 江苏九鼎集团股份有限公司 | Carbon fiber earthwork grille |
| CN2811397Y (en) * | 2005-07-18 | 2006-08-30 | 高康 | Multi-layer earth-fixing geogrid |
| CN101666137A (en) * | 2009-07-30 | 2010-03-10 | 华东交通大学 | Hybrid fabric grid made from carbon fiber and basalt fiber |
| WO2013119196A1 (en) * | 2012-02-06 | 2013-08-15 | Build Strong Llc | Methods of preparing a concrete deck |
| CN206408604U (en) * | 2016-12-27 | 2017-08-15 | 山东路德新材料股份有限公司 | Ring-type carbon fiber earthwork grille |
-
2016
- 2016-12-27 CN CN201611223308.8A patent/CN106498925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753792Y (en) * | 2004-07-09 | 2006-01-25 | 江苏九鼎集团股份有限公司 | Carbon fiber earthwork grille |
| CN2811397Y (en) * | 2005-07-18 | 2006-08-30 | 高康 | Multi-layer earth-fixing geogrid |
| CN101666137A (en) * | 2009-07-30 | 2010-03-10 | 华东交通大学 | Hybrid fabric grid made from carbon fiber and basalt fiber |
| WO2013119196A1 (en) * | 2012-02-06 | 2013-08-15 | Build Strong Llc | Methods of preparing a concrete deck |
| CN206408604U (en) * | 2016-12-27 | 2017-08-15 | 山东路德新材料股份有限公司 | Ring-type carbon fiber earthwork grille |
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| CN106498925B (en) | 2018-05-25 |
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