CN212316889U - Geogrid complex based on carbon fiber - Google Patents
Geogrid complex based on carbon fiber Download PDFInfo
- Publication number
- CN212316889U CN212316889U CN202022307807.3U CN202022307807U CN212316889U CN 212316889 U CN212316889 U CN 212316889U CN 202022307807 U CN202022307807 U CN 202022307807U CN 212316889 U CN212316889 U CN 212316889U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- geogrid
- fiber
- polypropylene filament
- vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a geogrid complex body based on carbon fiber, the upper polypropylene filament that sets gradually including top-down glues geotechnique's cloth, carbon fiber geogrid and lower floor's polypropylene filament and glues geotechnique's cloth, upper polypropylene filament glue and glue geotechnique's cloth, carbon fiber geogrid and lower floor's polypropylene filament and glue geotechnique's cloth and fix as an organic whole through bonding. The utility model discloses it is compound to glue geotechnological cloth with carbon fiber geogrid and polypropylene filament, makes this synthetic body have the advantage that carbon fiber geogrid and polypropylene filament glue geotechnological cloth concurrently, and the very low percentage elongation of geotechnological cloth and higher tensile strength are glued to the compound polypropylene filament of carbon fiber geogrid can effectively clear away the stress concentration of road surface junction or crack department, reduces the extension of crack in the road surface and upwards reflects, has delayed the production of reflection crack.
Description
Technical Field
The utility model relates to a geotechnical material technical field especially involves a geosynthetic material for infrastructure construction, specifically is a geogrid complex body based on carbon fiber.
Background
Geogrids and geotextiles are common geotechnical materials and are widely applied to the fields of road surfaces, road beds, dam revetments and the like. Chinese patent publication No. CN 206570632U discloses a glass fiber composite grid in 2017, 10 and 20, which is technically characterized in that: the utility model provides a glass fiber composite grid, through design transformation on the basis of original glass fiber grid, through add frame, connecting piece on the grid body, improve grid concatenation and fixed efficiency and stability, through the inner structure who reforms transform the check strip and be provided with the non-woven fabrics layer in grid body upper end, the tearing resistance of reinforcing grid, holistic intensity and its filtering quality further improve its life. The glass fiber composite grid comprises a grid body formed by vertically weaving lattice strips, wherein the lattice strips sequentially comprise a glass fiber woven layer, an anticorrosive layer, an anti-tearing layer and a covering layer from inside to outside. The glass fiber braided layer is arranged in the anti-corrosion layer, the reinforcing rib is arranged between the anti-corrosion layer and the anti-tearing layer, and the lower end of the reinforcing rib is connected with the glass fiber braided layer; the grid body is provided with air holes, the periphery of the grid body is provided with a frame, and a connecting piece is arranged at the intersection of the frame and the air holes.
The scheme of the patent enables the grid to have the advantages of two products at the same time through the compounding of the glass fiber and the geotextile, but the structure is complex, the compounding process is complex, and the improvement of the overall performance of the product is limited by the performance of the glass fiber and the geotextile which are composite materials.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a geogrid complex body based on carbon fiber, light in weight, structure and composite technology are simple, easily make moreover.
The utility model discloses a through following technical scheme realization, provide a geogrid complex body based on carbon fiber, the upper polypropylene filament that sets gradually including top-down glues geotechnological cloth, carbon fiber geogrid and lower floor's polypropylene filament and glues geotechnological cloth, upper polypropylene filament glue and glue geotechnological cloth, carbon fiber geogrid and lower floor's polypropylene filament and glue geotechnological cloth and fix as an organic whole through bonding.
The scheme adopts a structure of 'two-cloth-one-grid', two layers of polypropylene filament spun-bonded geotextile are combined with the carbon fiber geogrid, the characteristics of small specific gravity, high strength, high impact resistance and low elongation of the carbon fiber geogrid are utilized to improve the impact resistance and tensile strength of the whole complex, and meanwhile, the weight is reduced, and the elongation at break is reduced; the polypropylene filament spun-bonded geotextile is used for filtering and isolating to protect the internal carbon fiber grating, so that the integral tear resistance is improved, and the filtering effect is enhanced; the upper polypropylene filament spun-bonded geotextile, the carbon fiber geogrid and the lower polypropylene filament spun-bonded geotextile are fixed into a whole through bonding, so that the displacement among the upper polypropylene filament spun-bonded geotextile, the carbon fiber geogrid and the lower polypropylene filament spun-bonded geotextile is avoided.
As optimization, the carbon fiber geogrid comprises a plurality of transverse fiber belts and a plurality of vertical fiber belts which are woven together, two adjacent transverse fiber belts and two adjacent vertical fiber belts surround a grid hole, the transverse fiber belts comprise four transverse carbon fiber bundles which are parallel to each other, and a strip hole is formed between two adjacent transverse carbon fiber bundles in the same transverse fiber belt; the auxiliary membrane body is fixedly connected with the vertical fiber band, can be sewn and connected, and can also be bonded, the side, facing the strip hole, of the auxiliary membrane body is provided with air bubbles extending into the strip hole, and the height of the air bubbles is consistent with the thickness of the transverse carbon fiber bundle. The carbon fiber geogrid weaving process of the optimized scheme is simple, and the auxiliary membrane body is convenient to arrange by arranging the strip holes in the transverse fiber belts; the auxiliary membrane body of this optimization scheme has improved the kiss-coating ability of grid through setting up the bubble, for the firm bonding when follow-up pressfitting provides the assurance, the bubble is damaged by the pressure when the pressfitting to avoid influencing the bonding of grid and geotechnological cloth.
As optimization, the side face, far away from the strip hole, of the auxiliary membrane body is provided with a plurality of grooves, and the extending direction of the grooves is consistent with the extending direction of the vertical fiber strips. This optimization scheme has increased the supplementary membrane body and has kept away from the kiss-coating effect of the foraminiferous side of strip through setting up the recess to further guaranteed the bonding effect, set up the extending direction of recess into and erect fibre area extending direction unanimously, form the kiss-coating of two directions with the horizontal carbon fiber bundle of its both sides, further strengthen the kiss-coating effect.
Preferably, the vertical fiber belt comprises four parallel vertical carbon fiber bundles, and the four vertical carbon fiber bundles in the same vertical fiber belt are sequentially attached. This optimization scheme's setting is selecting supplementary diaphragm and is passing through the bonding when fixed with perpendicular fibrous zone, conveniently concentrates the daub on perpendicular fibrous zone and fixes supplementary diaphragm, has avoided because there is the colloid dispersion problem that the gap leads to between the perpendicular carbon fiber bundle.
The scheme also provides a manufacturing method of the geogrid complex, which comprises the following process flows of:
1. placing the carbon fiber geogrid with the auxiliary membrane body on a unreeling frame in a coiled mode, unreeling the carbon fiber geogrid under constant tension, and feeding the carbon fiber geogrid into a vertical kiln for primary drying after gluing through a sizing material groove;
2. the carbon fiber geogrid after preliminary drying enters a pressure-sensitive adhesive pool to be subjected to double-sided impregnation, then enters an open kiln to be dried and shaped, and the carbon fiber geogrid after being dried and shaped enters a cloth storage rack;
3. an upper unwinding frame and a lower unwinding frame are arranged behind a cloth storage frame, an upper polypropylene filament spun-bonded geotextile roll is placed on the upper unwinding frame, a lower polypropylene filament spun-bonded geotextile roll is placed on the lower unwinding frame, the upper unwinding frame and the lower unwinding frame are synchronously unwound, a carbon fiber geogrid pulled out of the cloth storage frame, the upper polypropylene filament spun-bonded geotextile and the lower polypropylene filament spun-bonded geotextile simultaneously enter a pressing roller set for pressing, bubbles are damaged by pressure in the pressing process, and the upper polypropylene filament spun-bonded geotextile and the lower polypropylene filament spun-bonded geotextile are respectively positioned on two sides of the carbon fiber geogrid;
4. and the complex formed after pressing is rolled by a rolling device.
Preferably, a compression roller set is arranged between the pressure-sensitive adhesive pool and the flat kiln and comprises a box body, an upper compression roller and a lower compression roller which are rotatably arranged in the box body, and a driving motor for driving the upper compression roller and the lower compression roller to rotate, a grid inlet is formed in the front side surface of the box body, a grid outlet is formed in the rear side surface of the box body, a carbon fiber geogrid enters the box body through the grid inlet and bypasses the bottom of the lower compression roller, then the carbon fiber geogrid penetrates through a grid channel between the upper compression roller and the lower compression roller, is wound on the top of the upper compression roller, and finally is led out. According to the optimized scheme, the compression roller group is arranged, so that tensioning of the grating is realized, certain power is provided for movement of the grating, and the grating is fed more stably; through the arrangement of the upper and lower press rollers, the colloid adhered to the carbon fiber geogrid after gum dipping is preliminarily leveled, the thickness uniformity of sizing materials on two sides of the carbon fiber geogrid is improved, and the quality of a complex is improved.
Preferably, the grid outlet is positioned at the same height as the top of the upper pressing roller. This optimization scheme sets up the grid export at same height with the top of last compression roller, and the carbon fiber geogrid level of being convenient for gets into the open kiln, makes the distance between carbon fiber geogrid and the upper and lower heating source unanimous, is favorable to improving the homogeneity of drying.
The utility model has the advantages that: the carbon fiber geogrid and the polypropylene filament spun-bonded geotextile are compounded, so that the synthetic body has the advantages of the carbon fiber geogrid and the polypropylene filament spun-bonded geotextile, the carbon fiber geogrid and the polypropylene filament spun-bonded geotextile have low elongation and high tensile strength, stress concentration at a joint or a crack of a road surface can be effectively eliminated, the expansion and upward reflection of the crack in the road surface are reduced, and the generation of a reflection crack is delayed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of an apparatus for manufacturing the geogrid composite of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the present invention;
shown in the figure:
1. upper polypropylene filament glues and glues geotechnological cloth, 2, carbon fiber geogrid, 3, lower floor's polypropylene filament glues and glues geotechnological cloth, 4, the frame is unreeled to the grid, 5, the shaft kiln, 6, glue silo, 7, pressure sensitive adhesive pond, 8, compression roller set, 9, the open kiln, 10, store up the cloth frame, 11, go up the frame of unreeling, 12, the pressfitting roller set, 13, transfer the frame, 14, a supporting bench, 15, rolling equipment.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example one
As shown in fig. 1, the carbon fiber-based geogrid composite is manufactured by composite manufacturing equipment and has a structure of 'two-cloth one-grid', specifically, the carbon fiber-based geogrid composite comprises an upper polypropylene filament spun-bonded geotextile 1, a carbon fiber geogrid 2 and a lower polypropylene filament spun-bonded geotextile 3 which are sequentially arranged from top to bottom, and the upper polypropylene filament spun-bonded geotextile, the carbon fiber geogrid and the lower polypropylene filament spun-bonded geotextile are fixed into a whole by bonding.
The carbon fiber geogrid comprises a plurality of transverse fiber belts and a plurality of vertical fiber belts which are woven together, wherein two adjacent transverse fiber belts and two adjacent vertical fiber belts surround a grid hole, the vertical fiber belts comprise four vertical carbon fiber bundles which are parallel to each other, and the four vertical carbon fiber bundles in the same vertical fiber belt are sequentially attached; the horizontal fiber band comprises four parallel horizontal carbon fiber bundles, and a strip hole is formed between every two adjacent horizontal carbon fiber bundles in the same horizontal fiber band.
Still include the supplementary membrane body, supplementary membrane body and perpendicular fibrous zone rigid coupling are equipped with the bubble that extends in the strip foraminiferous hole on the supplementary membrane body towards the side in strip foraminiferous hole, and the height of bubble is unanimous with the thickness of horizontal carbon fiber bundle. The side face, far away from the strip hole, of the auxiliary membrane body is provided with a plurality of grooves, and the extending direction of the grooves is consistent with the extending direction of the vertical fiber strips.
Compared with the prior art, the utility model, the complex body has simple structure, easily combined manufacturing, high tensile strength, low elongation, it is even to indulge transverse deformation, and tear strength is high, and wear resistance is good, and the water permeability is high, and the refluence is strong, does not have long-term creep, the excellent characteristics of comprehensive properties.
As shown in fig. 2, the composite manufacturing equipment comprises a grid unwinding frame 4, a sizing material groove 6, a vertical kiln 5, a pressure sensitive adhesive pool 7, a flat kiln 9, a cloth storage frame 10, a press roller group 12 and a winding device 15 which are sequentially arranged along the conveying direction of the carbon fiber geogrid 2, wherein the winding device 15 is installed on a supporting platform 14, and the vertical kiln 5 is positioned above the sizing material groove. An upper unwinding frame 11 is arranged on one side of the pressing roller group 12 and used for unwinding an upper polypropylene filament spun-bonded geotextile roll, and an unwinding frame 13 is arranged on the other side and used for unwinding a lower polypropylene filament spun-bonded geotextile roll. The sizing material in the sizing material groove 6 comprises but is not limited to coating materials such as modified asphalt, PVC paste resin, chemical fiber glue and the like; the adhesive in the glue pool 7 includes, but is not limited to, pressure sensitive adhesives, hot melt adhesives, and latexes. The product of the utility model has simple structure, easy implementation of the composite process and good composite effect.
Be provided with compression roller set 8 between pressure-sensitive adhesive pond and the open kiln, compression roller set includes the box and rotates last compression roller and the lower compression roller that sets up in the box to and drive compression roller and lower compression roller pivoted driving motor, the grid import has been seted up to the leading flank of box, the grid export has been seted up to the trailing flank of box, the grid export is located the same height with the top of last compression roller, carbon fiber geogrid gets into in the box through the grid import, and the bottom of compression roller down is walked around, then the compression roller top is gone up in the coiling after passing the grid passageway between last compression roller and the lower compression roller, is drawn forth through the grid export at last.
The manufacturing method of the geogrid composite comprises the following process flows:
s1, placing the carbon fiber geogrid provided with the auxiliary membrane body on a unreeling frame in a coiled mode, unreeling the carbon fiber geogrid under constant tension, and feeding the carbon fiber geogrid into a vertical kiln for primary drying after gluing through a glue material slot;
s2, enabling the carbon fiber geogrid subjected to primary drying to enter a pressure-sensitive adhesive pool for double-sided impregnation, then enabling the carbon fiber geogrid to enter an open kiln for drying and shaping, and enabling the carbon fiber geogrid subjected to drying and shaping to enter a cloth storage rack;
s3, arranging an upper unwinding frame and a lower unwinding frame behind a cloth storage frame, placing an upper polypropylene filament spun-bonded geotextile roll on the upper unwinding frame, placing a lower polypropylene filament spun-bonded geotextile roll on the lower unwinding frame, synchronously unwinding the upper unwinding frame and the lower unwinding frame, simultaneously feeding a carbon fiber geogrid pulled out of the cloth storage frame, the upper polypropylene filament spun-bonded geotextile and the lower polypropylene filament spun-bonded geotextile into a pressing roller set for pressing, wherein bubbles are damaged by compression in the pressing process, and the upper polypropylene filament spun-bonded geotextile and the lower polypropylene filament spun-bonded geotextile are respectively positioned on two sides of the carbon fiber geogrid;
and S4, rolling the composite body formed after pressing by a rolling device.
Example two
The difference between the embodiment and the first embodiment is that the geogrid composite body of the embodiment is in a structure of one cloth and one grid, and the polypropylene filament spun-bonded geotextile is arranged on the bottom surface of the carbon fiber geogrid 2, so that the structure is further simplified, and the geogrid composite body is suitable for being used in occasions with lower requirements so as to save cost.
Carbon Fiber is a novel high-strength high-modulus Fiber material with Carbon content of more than 90 percent, and is a novel material with excellent comprehensive performance. Has the advantages of high strength, good heat resistance, good thermal shock resistance, low thermal expansion coefficient, small thermal capacity, small specific gravity, good corrosion resistance and radiation resistance, good creep resistance, long service life and the like. The geogrid made of the carbon fibers has the characteristics of high tensile strength, low elongation at break, good creep resistance, acid resistance, alkali resistance, ultraviolet aging resistance and the like.
The polypropylene filament spun-bonded geotextile is a water-permeable geosynthetic material which is formed by spinning, drafting, lapping and needling reinforcement of a polypropylene raw material, and has the functions of isolation, reverse filtration, drainage, protection, stabilization, reinforcement and the like. The fiber is arranged into a three-dimensional structure, has good water permeability, is corrosion-resistant and ageing-resistant, can adapt to uneven base layers, can resist external construction damage and creep, can still keep the original function under long-term load, has excellent mechanical function, and is an excellent geotechnical reinforcing material.
The utility model discloses a carbon fiber geogrid composite polypropylene filament glues geotechnique's cloth and forms the complex body for the complex body has very low percentage elongation and higher tensile strength, can effectively clear away the stress concentration of road surface junction or crack department, reduces the extension of crack in the road surface and upwards reflects, has delayed the cracked production of reflection. After being compounded with the asphalt mixture layer, the asphalt mixture layer can obviously improve the low-temperature shrinkage crack resistance, the high-temperature rut resistance, the fatigue crack resistance and the reflective crack delay, so the asphalt mixture layer can be used for reinforcing asphalt pavements, cement pavements and road beds, railway roadbed, dam slope protection, airport runways, sand prevention and control and the like, and can also be used for important engineering projects such as the earthquake resistance, the shear resistance, the bending resistance and the like of civil buildings, bridges, tunnels and concrete structures.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (4)
1. A geogrid complex based on carbon fibers is characterized in that: the upper polypropylene filament spun-bonded geotextile, the carbon fiber geogrid and the lower polypropylene filament spun-bonded geotextile are sequentially arranged from top to bottom, and are fixed into a whole through bonding.
2. A carbon fiber-based geogrid composite according to claim 1, wherein: the carbon fiber geogrid comprises a plurality of transverse fiber belts and a plurality of vertical fiber belts which are woven together, two adjacent transverse fiber belts and two adjacent vertical fiber belts surround to form a grid hole, the transverse fiber belts comprise four transverse carbon fiber bundles which are parallel to each other, and a strip hole is formed between two adjacent transverse carbon fiber bundles in the same transverse fiber belt;
still include the supplementary membrane body, supplementary membrane body and perpendicular fibrous zone rigid coupling are equipped with the bubble that extends in the strip foraminiferous hole on the supplementary membrane body towards the side in strip foraminiferous hole, and the height of bubble is unanimous with the thickness of horizontal carbon fiber bundle.
3. A carbon fiber-based geogrid composite according to claim 2, wherein: the side face, far away from the strip hole, of the auxiliary membrane body is provided with a plurality of grooves, and the extending direction of the grooves is consistent with the extending direction of the vertical fiber strips.
4. A carbon fiber-based geogrid composite according to claim 2, wherein: the vertical fiber belt comprises four vertical carbon fiber bundles which are parallel to each other, and the four vertical carbon fiber bundles in the same vertical fiber belt are sequentially attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307807.3U CN212316889U (en) | 2020-10-16 | 2020-10-16 | Geogrid complex based on carbon fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307807.3U CN212316889U (en) | 2020-10-16 | 2020-10-16 | Geogrid complex based on carbon fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316889U true CN212316889U (en) | 2021-01-08 |
Family
ID=74016826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022307807.3U Active CN212316889U (en) | 2020-10-16 | 2020-10-16 | Geogrid complex based on carbon fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316889U (en) |
-
2020
- 2020-10-16 CN CN202022307807.3U patent/CN212316889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207088611U (en) | A kind of waterproof roll | |
| CN201214860Y (en) | High-molecular self-adhering water-proof rolled material | |
| JP5722714B2 (en) | Concrete peeling prevention sheet and concrete peeling prevention method using the same | |
| CN212316889U (en) | Geogrid complex based on carbon fiber | |
| CN107371468A (en) | Water protects plant-growth carpet | |
| CN112127346A (en) | Carbon fiber-based geogrid complex and manufacturing method thereof | |
| CN106042526B (en) | A kind of elongated yarn enhanced fiber composite material in centre and its production method | |
| CN102991031A (en) | FRP plate and production method thereof | |
| CN209443324U (en) | Reinforcing Pavement carbon fiber plate | |
| CN209775603U (en) | inclined plane sewing machine and rigid sewing wire gauze weaving reinforced insulation board manufactured by same | |
| CN206553855U (en) | A kind of composite strengthening anti-cracking cloth | |
| CN212894555U (en) | Stretch-proofing double-sided self-adhesive polymer modified asphalt polyester tire waterproof coiled material | |
| CN218020593U (en) | Reinforced polyester non-woven fabric | |
| CN113002077A (en) | Continuous fiber reinforced thermoplastic geogrid mesh belt | |
| CN2928895Y (en) | Ribbed reinforced non-wowen fabric | |
| CN210257506U (en) | Anti geotechnique's cloth that tears with strengthening rib carefully structure | |
| CN116021843A (en) | Steel wire rope coated geogrid complex and manufacturing method thereof | |
| CN207099612U (en) | Water protects plant-growth carpet | |
| CN203270434U (en) | Prestressed concrete box girder bridge with variable cross section | |
| CN219505597U (en) | Fiber reinforced polyester base, waterproof coiled material and waterproof engineering composite structure | |
| CN201132922Y (en) | Double-face composite reinforcing earthwork cloth | |
| CN111910691A (en) | Self preservation protects waterproofing membrane | |
| CN212128050U (en) | Lap joint adhesive tape for asphalt coiled material | |
| CN211868829U (en) | Take child pitch waterproofing membrane of isolation layer | |
| CN2597551Y (en) | Composite bidirectional earthworking grille |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |