CN1915884A - Resin rib enhanced by mixed carbon fibers and fine glass fibers - Google Patents
Resin rib enhanced by mixed carbon fibers and fine glass fibers Download PDFInfo
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- CN1915884A CN1915884A CN 200510036568 CN200510036568A CN1915884A CN 1915884 A CN1915884 A CN 1915884A CN 200510036568 CN200510036568 CN 200510036568 CN 200510036568 A CN200510036568 A CN 200510036568A CN 1915884 A CN1915884 A CN 1915884A
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Abstract
This invention relates to a resin reinforced with carbon fiber and glass fiber in concrete structures. The resin is composed of: carbon fiber 5-35 vol.%, glass fiber 5-35 vol.%, vinyl resin 20-30 vol.%, curing agent, accelerator, filler, low shrinkage agent, demolding agent and flame retardant. The reinforced resin is produced by using aramid fiber as the core, weaving glass fiber around the carbon fiber, immersing in vinyl resin added with the curing agent, heating for curing, and extruding for molding. The reinforced resin has such advantages as good ductility and good flexibility, and can be used in concrete structures as a substitute for steel bar.
Description
Technical field
The present invention relates to a kind of strongthener that is used for concrete structure, especially fibre reinforced resin rib.
Background technology
In the concrete construction engineering, skeleton construction is widely used.This structure has made full use of the tensile property of concrete compressive property and reinforcing bar, in the long-term widespread use of building engineering field quilt.But As time goes on, the shortcoming of this structure is also day by day obvious.For various reasons, Steel Concrete usually produces the crack, when the crack extends to reinforcing bar, causes reinforcement corrosion.Especially at northern frore area, use in the environment of ice-melt salt in a large number and coastal region, this phenomenon is more obvious.Reinforcement corrosion is got rusty has influenced the weather resistance of skeleton construction, causes the destruction in advance of structure.
Paper in the 18th to 22 page, the 51st to 61 page in " second national civil engineering work with fibre reinforced composites utilisation technology seminar collection of thesis " that publish in July, 2002 all proposes usefulness FRP muscle (FiberReinforced Polymer Rebar, fibre reinforced resin rib) replaces reinforcing bar, be applied in the engineering field.FRP material not only non-corrosibility is good, and the tensile strength height, anti-fatigue performance is good and light weight, is applied gradually at building engineering field.
But FRP is the linear elasticity material, begins to destruction from tension, and its constitutive relation is a straight line always, and these characteristics are different fully with the surrender characteristics of reinforcing bar, and its ductility is low, structure fragility easy fracture, and these have restricted the FRP reinforced concrete in application in engineering.
Summary of the invention
The technical problem to be solved in the present invention is to improve the ductility and the yield behavior of FRP material, thereby promotes the application of FRP reinforced concrete on engineering.
For solving the problems of the technologies described above, the invention provides a kind of resin rib enhanced by mixed carbon fibers and fine glass fibers, its main component comprises carbon fiber, glass fibre, Vinylite and solidifying agent, their volume ratio is respectively: carbon fiber 5% to 35%, glass fibre 5% to 35%, Vinylite 20% to 30%, solidifying agent 0.5% to 2%.Also have ancillary components such as promotor, filler, shrinking agent, releasing agent, fire retardant, pigment in addition, its volume ratio is respectively: promotor 1% to 2%, filler 3% to 5%, rest part proportion are altogether 5% to 8%.Wherein, it is to make resin solidification that solidifying agent mainly acts on, and its composition can be superoxide, as tertbutyl peroxide, isopropyl benzene hydroperoxide, methylethyl ketone peroxide, cyclohexanone peroxide, dibenzoyl peroxide, t-butylperoxyl benzoate etc.; Promotor is mainly used in the activation energy that reduces reaction, makes to be reflected under the optimal temperature and carries out, and its composition can be xylidine, dimethyl-p-toluidine, cobalt naphthenate, naphthoic acid cobalt etc.; Filler is used to improve the manufacturability and the end properties of resin, reduces cost simultaneously, and its composition can be lime carbonate, silica powder, talcum powder; Shrinking agent is mainly used in the cure shrinkage of control Vinylite, and its composition can be thermoplastic polymer, as polystyrene, Vinyl Acetate Copolymer; Remover mainly is to make the demoulding in moulding process of this product easier, and its composition can be cured for metallic soap class, lipid acid, fatty acid ester and olefines, the Zeleeux of Zinic stearas commonly used and E.I.Du Pont Company; Fire retardant is mainly used in the burning that suppresses material, this material production combustion-supporting effect when preventing fire, its composition can be antimonous oxide, hydrated aluminum oxide, magnesium hydroxide, borate and Organohalogen compounds fire retardant and Organophosphorous compounds fire retardant, as clorafin, AL (OH)
3
This resin rib enhanced by mixed carbon fibers and fine glass fibers is kernel with the carbon fiber bundle, with glass fibre is peripheral tow, and in the carbon fibre tow periphery, dipping has added the Vinylite of solidifying agent again with the glass fiber strand 3 D weaving, be heating and curing last pultrusion then.
Resin rib enhanced by mixed carbon fibers and fine glass fibers through above-mentioned technological forming, its Young's modulus is near 120Gpa, ultimate strain reaches 3% to 4%, is about 2.1 times of CFRP muscle (Carbon Fiber Reinforced Polymer Rebar, carbon fiber-reinforced resin muscle).Compare with common FRP muscle, this resin rib enhanced by mixed carbon fibers and fine glass fibers has tangible yield behavior, its interlaminar shear strength height, good with concrete adhesiveproperties.
Resin rib enhanced by mixed carbon fibers and fine glass fibers of the present invention can be widely used in anchoring fields such as building engineering field and mine, tunnel, side slope, well, and compares with common CFRP muscle on the price, reduces greatly; Compare with common GFRP muscle (Glass Fiber Reinforced Polymer Rebar, galss fiber reinforced resin muscle) on the performance, improve greatly.
Description of drawings
Fig. 1 is the preparation flow synoptic diagram of resin rib enhanced by mixed carbon fibers and fine glass fibers
Fig. 2 is the cross-sectional configuration synoptic diagram of resin rib enhanced by mixed carbon fibers and fine glass fibers
Among the figure, 1 is the carbon fiber bundle kernel, and 2 is knit unit, and 3 is glass fiber strand, and 4 is gumming device, and 5 is heating mould, and 6 is the after fixing device, and 7 is pulltrusion device, and 8 is cutting means, and 9 is Vinylite.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:
One, listed raw material of according to the form below and volume ratio thereof prepare Φ 15mm resin rib enhanced by mixed carbon fibers and fine glass fibers:
| Raw material | Volume content |
| Carbon fiber | 35.0％ |
| Glass fibre | 25.0％ |
| Vinylite (dihydroxyphenyl propane acrylic type vinyl ester resin) | 26.5％ |
| Solidifying agent (methylethyl ketone peroxide) | 0.8％ |
| Promotor (cobalt naphthenate) | 0.5％ |
| Filler (light calcium carbonate) | 4.0％ |
| Other compositions (shrinking agent, releasing agent, fire retardant) | 8.2％ |
Two, preparation flow
Figure 1 shows that the preparation flow of material of the present invention.Glass fiber strand 3 passes through knit unit 23 D weavings on carbon fiber bundle kernel 1, added the Vinylite of solidifying agent again by gumming device 4 dippings, then through heating mould 5 heating, make the resin primary solidification, further solidify and premolding by after fixing device 6 again, pass through pulltrusion device 7 again, make preformed assorted fibre strengthen the moulding of resin muscle, on cutting means 8, cut into suitable length at last.
Three, material structure
Figure 2 shows that the cross-sectional configuration of material of the present invention.Centre portions 1 is the carbon fiber kernel, and glass fiber strand 33 D weavings are on carbon fiber bundle kernel 1.Be distributed between carbon fiber bundle kernel 1 and the glass fiber strand 3 is Vinylite 2.The protuberance of outer rim is the formed rib of braiding, and it has formed rough structure at material surface, and it is long-pending with concrete surface in contact to have increased this material, helps improving this material and concrete adhesiveproperties.
Four, performance test
To be placed on test under the universal testing machine by the Φ 15mm resin rib enhanced by mixed carbon fibers and fine glass fibers that above-mentioned prescription and preparation method make, obtain its constitutive relation curve, this curve shows, after fibre reinforced resin rib is stressed, it shows certain linearity, a tangible surrender stage appears afterwards, until destruction.Can obviously see yield strength, yield strain and ultimate strength, ultimate strain on the curve, this and reinforcing bar have many similarities.Many group experimental results show that the yield strength that this assorted fibre strengthens the resin muscle reaches 900MPa, and ultimate strain reaches 3.1%, and ultimate strength is about 1.5 times of yield strength.Through calculating, its Young's modulus reaches about 110Gpa.
Five, beneficial effect
Compare with common FRP muscle, this assorted fibre strengthens the resin muscle and has the following advantages:
1. form with the three-dimensional structure braiding, strengthened the interlaminar shear strength of muscle material, overcome common pultrusion muscle material and be easy to generate stratified shortcoming.
2. the face rib structure of 3 D weaving formation has strengthened this assorted fibre and has strengthened resin muscle and concrete cementability.
3. make full use of the characteristics of the high-modulus of carbon fiber and the high limit unit elongation of glass fibre (comparing with carbon fiber), the Young's modulus that makes this assorted fibre strengthen the resin muscle is compared with common GFRP muscle and is greatly improved, and limit elongation reaches more than 3%.
4. the surrender stage is arranged when stressed, tangible yield strength, yield strain and ultimate strength, ultimate strain are arranged, remedied the weakness of common FRP muscle, can directly utilize existing Steel Concrete standard.
Claims (5)
1. resin rib enhanced by mixed carbon fibers and fine glass fibers, it is characterized in that: it mainly is made up of carbon fiber, glass fibre, Vinylite, solidifying agent, promotor.
2. resin rib enhanced by mixed carbon fibers and fine glass fibers according to claim 1 is characterized in that: it also contains filler, shrinking agent, releasing agent, fire retardant.
3. resin rib enhanced by mixed carbon fibers and fine glass fibers according to claim 1 and 2, it is characterized in that: the volume content of each composition is respectively: carbon fiber 5% to 35%, glass fibre 5% to 35%, Vinylite 20% to 30%, solidifying agent 0.5% to 2%, promotor 1% to 2%, filler 3% to 5%, shrinking agent, releasing agent, fire retardant three total content are controlled at 5% to 8%.
4. resin rib enhanced by mixed carbon fibers and fine glass fibers according to claim 1 and 2 is characterized in that: the composition of solidifying agent can be tertbutyl peroxide, isopropyl benzene hydroperoxide, methylethyl ketone peroxide, cyclohexanone peroxide, dibenzoyl peroxide, t-butylperoxyl benzoate or their middle mixtures of two or more material arbitrarily; The composition of promotor can be to be solvent with vinylbenzene, with the solution of any one material composition in xylidine, dimethyl-p-toluidine, cobalt naphthenate, the naphthoic acid cobalt; The composition of filler can be the mixture of lime carbonate, silica powder, talcum powder or their centres any two or three; The composition of shrinking agent can be thermoplastic polymer, as polystyrene, Vinyl Acetate Copolymer or their mixture; The composition of remover can be for metallic soap class, lipid acid, fatty acid ester, olefines is cured or any mixture of two or more material in the middle of their; The composition of fire retardant can be antimonous oxide, hydrated aluminum oxide, magnesium hydroxide, borate, Organohalogen compounds fire retardant, Organophosphorous compounds fire retardant or their middle mixtures of two or more material arbitrarily.
5. resin rib enhanced by mixed carbon fibers and fine glass fibers according to claim 1 and 2 is characterized in that: it prepares with step in accordance with the following methods:
1) with the carbon fiber be kernel, with the glass fibre 3 D weaving in its periphery;
2) dipping has added the Vinylite of solidifying agent;
3) be heating and curing;
4) solidify again;
5) pultrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200510036568 CN1915884A (en) | 2005-08-19 | 2005-08-19 | Resin rib enhanced by mixed carbon fibers and fine glass fibers |
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| CN 200510036568 CN1915884A (en) | 2005-08-19 | 2005-08-19 | Resin rib enhanced by mixed carbon fibers and fine glass fibers |
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| CN1915884A true CN1915884A (en) | 2007-02-21 |
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| CN 200510036568 Pending CN1915884A (en) | 2005-08-19 | 2005-08-19 | Resin rib enhanced by mixed carbon fibers and fine glass fibers |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745944A (en) * | 2012-06-05 | 2012-10-24 | 河海大学 | Steel fiber reinforced glass fiber resin composite bar material and preparation method |
| CN102979097A (en) * | 2011-09-07 | 2013-03-20 | 上海启鹏工程材料科技有限公司 | Weaving sleeve pipe type fiber reinforce plastic (FRP) rib and preparation method thereof |
| CN103223756A (en) * | 2012-01-31 | 2013-07-31 | 廖树汉 | Fireproof plastic glass plate capable of being sawn and drilled with impact resistance |
| CN104151779A (en) * | 2014-08-26 | 2014-11-19 | 常州慧运复合材料有限公司 | Composite carbon fiber plane grid rib |
| CN104175652A (en) * | 2014-08-26 | 2014-12-03 | 常州慧运复合材料有限公司 | Carbon fiber and glass fiber mixed type plane grating rib |
| CN107364197A (en) * | 2017-05-25 | 2017-11-21 | 江苏海川新材料科技有限公司 | A kind of novel glass fiber reinforcement |
| CN107476079A (en) * | 2017-07-31 | 2017-12-15 | 山东环球渔具股份有限公司 | A kind of glass carbon mixed weaving cloth and preparation method thereof |
| CN108005846A (en) * | 2017-11-28 | 2018-05-08 | 中国人民解放军国防科技大学 | Main bearing beam for large wind power blades, hybrid spar composite wind power blades and preparation method thereof |
| CN108036123A (en) * | 2018-01-03 | 2018-05-15 | 江苏澳盛复合材料科技有限公司 | A kind of carbon fiber glass fiber hybrid multiple tube and preparation method thereof |
| CN109281154A (en) * | 2018-09-26 | 2019-01-29 | 江南大学 | A kind of textile flame retardant and preparation method thereof |
| CN110397380A (en) * | 2019-07-31 | 2019-11-01 | 中国人民解放军陆军工程大学 | Light high-strength composite material protective door and preparation method of composite material |
| WO2020057408A1 (en) * | 2018-09-20 | 2020-03-26 | 大连理工大学 | Micro rebar having basalt fiber-wrapped structural steel fiber core column |
| CN115122694A (en) * | 2022-06-28 | 2022-09-30 | 郑州大学 | Production equipment and process of discontinuous hybrid fiber reinforced polymer rib |
| CN116290574A (en) * | 2023-03-21 | 2023-06-23 | 郑州大学 | High-modulus hybrid fiber reinforced resin rib and preparation method and application thereof |
-
2005
- 2005-08-19 CN CN 200510036568 patent/CN1915884A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979097A (en) * | 2011-09-07 | 2013-03-20 | 上海启鹏工程材料科技有限公司 | Weaving sleeve pipe type fiber reinforce plastic (FRP) rib and preparation method thereof |
| CN102979097B (en) * | 2011-09-07 | 2017-02-22 | 上海启鹏工程材料科技有限公司 | Weaving sleeve pipe type fiber reinforce plastic (FRP) rib and preparation method thereof |
| CN103223756A (en) * | 2012-01-31 | 2013-07-31 | 廖树汉 | Fireproof plastic glass plate capable of being sawn and drilled with impact resistance |
| CN102745944A (en) * | 2012-06-05 | 2012-10-24 | 河海大学 | Steel fiber reinforced glass fiber resin composite bar material and preparation method |
| CN104151779A (en) * | 2014-08-26 | 2014-11-19 | 常州慧运复合材料有限公司 | Composite carbon fiber plane grid rib |
| CN104175652A (en) * | 2014-08-26 | 2014-12-03 | 常州慧运复合材料有限公司 | Carbon fiber and glass fiber mixed type plane grating rib |
| CN107364197B (en) * | 2017-05-25 | 2019-03-22 | 江苏海川新材料科技有限公司 | A kind of novel glass fiber reinforcing rib |
| CN107364197A (en) * | 2017-05-25 | 2017-11-21 | 江苏海川新材料科技有限公司 | A kind of novel glass fiber reinforcement |
| CN107476079A (en) * | 2017-07-31 | 2017-12-15 | 山东环球渔具股份有限公司 | A kind of glass carbon mixed weaving cloth and preparation method thereof |
| CN108005846A (en) * | 2017-11-28 | 2018-05-08 | 中国人民解放军国防科技大学 | Main bearing beam for large wind power blades, hybrid spar composite wind power blades and preparation method thereof |
| CN108005846B (en) * | 2017-11-28 | 2019-11-12 | 中国人民解放军国防科技大学 | Main bearing beam and hybrid wing spar composite wind power blade for large wind power blade and preparation method thereof |
| CN108036123A (en) * | 2018-01-03 | 2018-05-15 | 江苏澳盛复合材料科技有限公司 | A kind of carbon fiber glass fiber hybrid multiple tube and preparation method thereof |
| WO2020057408A1 (en) * | 2018-09-20 | 2020-03-26 | 大连理工大学 | Micro rebar having basalt fiber-wrapped structural steel fiber core column |
| CN109281154A (en) * | 2018-09-26 | 2019-01-29 | 江南大学 | A kind of textile flame retardant and preparation method thereof |
| CN109281154B (en) * | 2018-09-26 | 2021-06-11 | 江南大学 | Textile flame retardant and preparation method thereof |
| CN110397380A (en) * | 2019-07-31 | 2019-11-01 | 中国人民解放军陆军工程大学 | Light high-strength composite material protective door and preparation method of composite material |
| CN115122694A (en) * | 2022-06-28 | 2022-09-30 | 郑州大学 | Production equipment and process of discontinuous hybrid fiber reinforced polymer rib |
| CN115122694B (en) * | 2022-06-28 | 2023-10-31 | 郑州大学 | Production equipment and process of discontinuous hybrid fiber reinforced polymer ribs |
| CN116290574A (en) * | 2023-03-21 | 2023-06-23 | 郑州大学 | High-modulus hybrid fiber reinforced resin rib and preparation method and application thereof |
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| PB01 | Publication | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Oceanpower Corp. Assignor: Haichuan Industry Co., Ltd., Shenzhen Contract fulfillment period: 2008.8.9 to 2015.1.17 contract change Contract record no.: 2008440000275 Denomination of invention: Resin rib enhanced by mixed carbon fibers and fine glass fibers License type: Exclusive license Record date: 20081014 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.9 TO 2015.1.17; CHANGE OF CONTRACT Name of requester: SHENZHEN HAICHUAN ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20081014 |
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Open date: 20070221 |