CN109555330A - The reinforcing construction technology for carbon fibers of concrete layer - Google Patents
The reinforcing construction technology for carbon fibers of concrete layer Download PDFInfo
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- CN109555330A CN109555330A CN201811401890.1A CN201811401890A CN109555330A CN 109555330 A CN109555330 A CN 109555330A CN 201811401890 A CN201811401890 A CN 201811401890A CN 109555330 A CN109555330 A CN 109555330A
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- Prior art keywords
- leveling
- concrete
- reinforcing
- carbon
- brushing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Abstract
The present invention relates to a kind of reinforcing construction technology for carbon fibers of concrete layer comprising step S1: reinforcing position and determines；S2: surface of position processing is reinforced；S3: leveling；S4: concrete surface hair dryer is cleared up and keeps drying；S5: brushing primer；S6: secondary leveling prepares leveling sizing material and carries out leveling to underfill resin layer surface；S7: brushing impregnating resin；S8: carbon cloth is pasted, and after brushing impregnating resin, carbon cloth is pasted on impregnating resin surface rapidly, is flattened carbon cloth with hand, then carbon cloth is rolled with strength with roller from the middle to both ends and is repeatedly rolled；S9: leveling three times after resin to be impregnated is fully cured, is carried out levelling with alignment material.The present invention is conducive to improve the flatness of the coagulation layer surface after carbon fiber reinforcement by the leveling after the leveling and affixing carbon fabric after leveling to concrete surface, primer brushing.
Description
Technical field
The present invention relates to the technical fields of concrete construction, construct more particularly, to a kind of carbon fiber reinforcement of concrete layer
Technique.
Background technique
Carbon fiber composite material reinforced reparation concrete structure technique is a novel reinforcement technique in recent years, this skill
Art is that this high-performance fiber of carbon fiber is applied to civil engineering, refers to that carbon fiber is pasted on structure or structure by class material using tree
Part surface forms composite bodies and reaches to structural elements reinforcing and change by the collaborative work of itself and structure or component
The purpose of kind stress performance.
The reinforcing construction technology for carbon fibers of existing concrete layer such as publication No. is a kind of Chinese invention of CN102345262A
Patent, it discloses a kind of reinforcing construction technology for carbon fibers, including line setting；Surface of concrete structure processing；Brushing bottom
Resin；The preparation and brushing of impregnating resin；Carbon fiber plate is pasted；Surface protection；Maintenance is examined.
Prior art among the above has the following deficiencies: after determining the reinforcing position of concrete layer, to concrete
Component is surface-treated, and is needed to carry out leveling to surface of concrete structure during surface treatment, be applied again later
Brush underfill resin layer, impregnating resin and carbon fiber sheet, in this process, directly be exactly constructed accordingly in sequence, and
The case where may having underfill resin layer surface and impregnating resin after brushing underfill resin layer or impregnating resin there are out-of-flatnesses,
Continue brushing impregnating resin in the case where brushing underfill resin layer out-of-flatness, or pastes carbon in the case where impregnating resin out-of-flatness
It is poor to easily lead to concrete surface flatness after molding for fibre sheet material.
Summary of the invention
The object of the present invention is to provide a kind of reinforcing construction technology for carbon fibers of concrete layer, can be improved and add by carbon fiber
The flatness of coagulation layer surface after Gu.
Foregoing invention purpose of the invention has the technical scheme that a kind of carbon fiber of concrete layer of
Tie up reinforcing construction process, comprising the following steps:
S1: reinforcing position and determine, according to design drawing, range line is arranged in the reinforcing position of concrete surface；
S2: reinforcing surface of position processing, the deterioration concrete such as peeling, loose, honeycomb, the corrosion on surface is first removed, until completely
Expose the new face of concrete layer, then remove the impurity such as laitance, the greasy dirt of concrete surface with concrete angle grinder, grinding wheel, will mix
Solidifying soil layer surface polishes flat；
Such as there is biggish pit-hole or recess for the concrete surface after grinding process in S3: leveling, use is levelling
Material is repaired smooth；
S4: concrete surface hair dryer is cleared up and keeps drying；
S5: brushing primer, the concrete surface that prepared underfill resin layer is uniformly painted on to reinforcing position with rotary broom are gone forward side by side
Row repeatedly rolls, and after finger allodynia is dry, into next step；
S6: secondary leveling prepares leveling sizing material and carries out leveling to underfill resin layer surface, and in leveling sizing material surface hand
After referring to that sense of touch is dry, into next step；
S7: the impregnating resin after preparing uniformly is applied to the surface of underfill resin layer by brushing impregnating resin；
S8: carbon cloth is pasted, and after brushing impregnating resin, carbon cloth is pasted on impregnating resin surface rapidly, with hand by carbon
Fiber cloth flattening, then rolls carbon cloth with roller from the middle to both ends with strength and is repeatedly rolled；
S9: leveling three times after resin to be impregnated is fully cured, is carried out levelling with alignment material.
By using above-mentioned technical proposal, carried out by the concrete surface after polishing primary levelling to adjust concrete
The flatness on surface, so that the brushing of primer is more smooth, it is levelling to adjust bottom by leveling sizing material to primer surface again later
The flatness on glue surface carries out third time alignment material so that the smearing of impregnating resin is more smooth after affixing carbon fabric
Leveling so that the surface of carbon cloth is more smooth；This leveling by concrete surface, primer apply
The leveling after leveling and affixing carbon fabric after brush is conducive to improve the coagulation layer surface after carbon fiber reinforcement
Flatness.
The present invention is further arranged to: being multiple in the hair dryer for reinforcing position setting, and at equal intervals in the step S4
It is surrounded on the surrounding for reinforcing position, and the air outlet of each hair dryer and the upper surface flush for reinforcing position.
By using above-mentioned technical proposal, hair dryer is surround at equal intervals, so that reinforcing the blowing drying of position table
Effect is more uniform, and simultaneously by the concordant with upper surface progress of air outlet, so that the wind of blowout, which can be completely covered, reinforces position
Upper surface, to improve drying effect.
The present invention is further arranged to: several hair dryers are socialized during drying dry along reinforce position four
Turn, and interlaced reinforcing the opposite hair dryer in position two sides.
By using above-mentioned technical proposal, during machine blowing drying is blowed in the reinforcing position of opposing sidewalls, face
The barrier power of wind produced by opposite is larger, and by after being staggered, so that be independent of each other to two wind-force blown, with into one
Step improves drying effect.
The present invention is further arranged to: in the step S5, the rotary broom of the brushing needs to select bristle short and matter
Measured rotary broom, and repeatedly rolled in painting process.
By using above-mentioned technical proposal, primer surface is stayed in reduce the bristle in brushing primer, reduces subsequent dipping
The cohesive force of resin.
The present invention is further arranged to: in the step S5, the primer brushing amount is 0.1Kg/m2, and the resistance to compression of primer
Intensity is not less than 60Mpa, and tensile shear strength is not less than 15MI] a.
By using above-mentioned technical proposal, to improve the overall structural strength of primer, so that the structure of concrete layer
Enhanced strength.
The present invention is further arranged to: in the step S8, the carbon cloth of stickup uses weight for 300g/mm2's
Carbon fibre materials, and tensile strength values are not less than 3400N/mm2。
By using above-mentioned technical proposal, the carbon cloth of high-tensile is set, to improve after carbon fiber reinforcement
The tensile strength of concrete layer.
The present invention is further arranged to: further include:
S10: carbon fiber protection processing after the completion of carbon fiber is pasted, uniformly brushes one layer of dipping tree in the upper surface of carbon fiber again
Rouge, to cover carbon fiber.
By using above-mentioned technical proposal, by brushing one layer of impregnating resin again in carbon fiber surface, as carbon fiber
Protective layer.
The present invention is further arranged to: further include:
S11: four levelings after resin to be impregnated is fully cured, are carried out levelling with alignment material.
By using above-mentioned technical proposal, after carrying out relevant layers processing each time, a leveling is carried out, it can be complete
Improve the flatness of concrete layer after reinforcing in face.
In conclusion advantageous effects of the invention are as follows: pass through the leveling to concrete surface, primer brushing
The leveling after leveling and affixing carbon fabric afterwards, is conducive to improve the coagulation layer surface after carbon fiber reinforcement
Flatness.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of reinforcing construction technology for carbon fibers of concrete layer disclosed by the invention, comprising the following steps:
S1: reinforcing position and determine, according to design drawing, range line is arranged in the surrounding in the reinforcing position of concrete surface.
S2: reinforcing surface of position processing, first removes the deterioration concrete such as peeling, loose, honeycomb, the corrosion on surface, until
It is completely exposed the new face of concrete layer, then removes the impurity such as laitance, the greasy dirt of concrete surface with concrete angle grinder, grinding wheel,
Concrete surface is polished flat, especially the protruding parts on surface will polish, and corner location for paste will carry out chamfered simultaneously
It is polished into arc-shaped (R >=20mm).
Such as there is biggish pit-hole or recess for the concrete surface after grinding process in S3: leveling, use
Alignment material is repaired smooth.
S4: drying is cleared up and kept to concrete surface hair dryer, in entire cleaning and drying process, especially pair
Position is reinforced, used hair dryer is multiple, and is surrounded on the surrounding for reinforcing position at equal intervals, and the outlet air of each hair dryer
Mouth and the upper surface flush for reinforcing position, several hair dryers can be simultaneously along the surroundings of reinforcing position during drying dry
Rotation, and it is interlaced reinforcing the opposite hair dryer in position two sides.
S5: prepared underfill resin layer is uniformly painted on the concrete surface for reinforcing position with rotary broom by brushing primer,
The thickness that primer is smeared is no more than 0.4mm, and after finger contacts primer and feels dry, into next step, generally not
Less than 2 hours；In painting process, the rotary broom of brushing needs to select bristle short and high-quality rotary broom, and is brushing
It is repeatedly rolled in the process；And during brushing, primer brushing amount is 0.1Kg/m2, and the compression strength of primer is not small
In 60Mpa, tensile shear strength is not less than 15MI] a.
S6: secondary leveling prepares leveling sizing material and carries out leveling to underfill resin layer surface, and in leveling sizing material table
After face finger allodynia is dry, into next step.
S7: the impregnating resin after preparing uniformly is applied to the surface of underfill resin layer by brushing impregnating resin.
S8: carbon cloth is pasted, and after brushing impregnating resin, carbon cloth is pasted on impregnating resin surface rapidly, uses hand
Carbon cloth is flattened, then roll carbon cloth with strength with roller from the middle to both ends and is repeatedly rolled；And it pastes and uses
Carbon cloth use weight for the carbon fibre materials of 300g/mm2, and tensile strength values be not less than 3400N/mm2.
S9: leveling three times after resin to be impregnated is fully cured, is carried out levelling with alignment material.
S10: carbon fiber protection processing after the completion of carbon fiber is pasted, uniformly brushes one layer of leaching in the upper surface of carbon fiber again
Stain resin, to cover carbon fiber.
S11: four levelings after resin to be impregnated is fully cured, are carried out levelling with alignment material.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of reinforcing construction technology for carbon fibers of concrete layer, it is characterised in that: the following steps are included:
S1: reinforcing position and determine, according to design drawing, range line is arranged in the reinforcing position of concrete surface；
S2: reinforcing surface of position processing, the deterioration concrete such as peeling, loose, honeycomb, the corrosion on surface is first removed, until completely
Expose the new face of concrete layer, then remove the impurity such as laitance, the greasy dirt of concrete surface with concrete angle grinder, grinding wheel, will mix
Solidifying soil layer surface polishes flat；
Such as there is biggish pit-hole or recess for the concrete surface after grinding process in S3: leveling, use is levelling
Material is repaired smooth；
S4: concrete surface hair dryer is cleared up and keeps drying；
S5: brushing primer, the concrete surface that prepared underfill resin layer is uniformly painted on to reinforcing position with rotary broom are gone forward side by side
Row repeatedly rolls, and after finger allodynia is dry, into next step；
S6: secondary leveling prepares leveling sizing material and carries out leveling to underfill resin layer surface, and in leveling sizing material surface hand
After referring to that sense of touch is dry, into next step；
S7: the impregnating resin after preparing uniformly is applied to the surface of underfill resin layer by brushing impregnating resin；
S8: carbon cloth is pasted, and after brushing impregnating resin, carbon cloth is pasted on impregnating resin surface rapidly, with hand by carbon
Fiber cloth flattening, then rolls carbon cloth with roller from the middle to both ends with strength and is repeatedly rolled；
S9: leveling three times after resin to be impregnated is fully cured, is carried out levelling with alignment material.
2. the reinforcing construction technology for carbon fibers of concrete layer according to claim 1, it is characterised in that: the step S4
In, reinforce position setting hair dryer be it is multiple, and at equal intervals be surrounded on reinforce position surrounding, and each hair dryer go out
Air port and the upper surface flush for reinforcing position.
3. the reinforcing construction technology for carbon fibers of concrete layer according to claim 2, it is characterised in that: several blowings
Machine is mutually handed over during drying dry along the surrounding rotation for reinforcing position, and reinforcing the opposite hair dryer in position two sides
It is wrong.
4. the reinforcing construction technology for carbon fibers of concrete layer according to claim 1, it is characterised in that: the step S5
In, the rotary broom of the brushing needs to select bristle short and high-quality rotary broom, and is repeatedly rolled in painting process
It is dynamic.
5. the reinforcing construction technology for carbon fibers of concrete layer according to claim 1, it is characterised in that: the step S5
In, the primer brushing amount is 0.1Kg/m2, and the compression strength of primer is not less than 60Mpa, tensile shear strength is not less than
15MI]a。
6. the reinforcing construction technology for carbon fibers of concrete layer according to claim 1, it is characterised in that: the step S8
In, the carbon cloth of stickup uses weight for 300g/mm2Carbon fibre materials, and tensile strength values be not less than 3400N/mm2。
7. the reinforcing construction technology for carbon fibers of concrete layer according to claim 1, it is characterised in that: further include:
S10: carbon fiber protection processing after the completion of carbon fiber is pasted, uniformly brushes one layer of dipping tree in the upper surface of carbon fiber again
Rouge, to cover carbon fiber.
8. the reinforcing construction technology for carbon fibers of concrete layer according to claim 7, it is characterised in that: further include:
S11: four levelings after resin to be impregnated is fully cured, are carried out levelling with alignment material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401890.1A CN109555330A (en) | 2018-11-22 | 2018-11-22 | The reinforcing construction technology for carbon fibers of concrete layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401890.1A CN109555330A (en) | 2018-11-22 | 2018-11-22 | The reinforcing construction technology for carbon fibers of concrete layer |
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| Publication Number | Publication Date |
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| CN109555330A true CN109555330A (en) | 2019-04-02 |
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| CN201811401890.1A Pending CN109555330A (en) | 2018-11-22 | 2018-11-22 | The reinforcing construction technology for carbon fibers of concrete layer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499741A (en) * | 2019-08-14 | 2019-11-26 | 中国水利水电科学研究院 | A kind of concrete dam antiseepage and reinforcing flexible fiber composite sheet and preparation method thereof |
| CN110886505A (en) * | 2019-11-19 | 2020-03-17 | 上海天补材料科技有限公司 | In-situ repairing and reinforcing method for wall heat-insulating system |
| CN112124858A (en) * | 2020-09-22 | 2020-12-25 | 九州职业技术学院 | Waste coal mine corridor reinforcing method |
| CN113073618A (en) * | 2021-04-13 | 2021-07-06 | 山东临沂水利工程总公司 | Construction method of drainage hole carbon fiber cloth reinforced structure |
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| CN107246158A (en) * | 2017-07-20 | 2017-10-13 | 浙江之江工程项目管理有限公司 | The construction technology of carbon fiber cloth strengthening technology |
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| CN106049894A (en) * | 2016-06-07 | 2016-10-26 | 青岛海川建设集团有限公司 | Concrete structure carbon fiber reinforcement construction process |
| CN107246158A (en) * | 2017-07-20 | 2017-10-13 | 浙江之江工程项目管理有限公司 | The construction technology of carbon fiber cloth strengthening technology |
| CN107673713A (en) * | 2017-10-18 | 2018-02-09 | 北京建工路桥工程建设有限责任公司 | A kind of mass concrete mixture and its construction method for pouring wall |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499741A (en) * | 2019-08-14 | 2019-11-26 | 中国水利水电科学研究院 | A kind of concrete dam antiseepage and reinforcing flexible fiber composite sheet and preparation method thereof |
| CN110499741B (en) * | 2019-08-14 | 2020-07-07 | 中国水利水电科学研究院 | Flexible fiber composite sheet for seepage prevention and reinforcement of concrete dam and preparation method thereof |
| CN110886505A (en) * | 2019-11-19 | 2020-03-17 | 上海天补材料科技有限公司 | In-situ repairing and reinforcing method for wall heat-insulating system |
| CN112124858A (en) * | 2020-09-22 | 2020-12-25 | 九州职业技术学院 | Waste coal mine corridor reinforcing method |
| CN113073618A (en) * | 2021-04-13 | 2021-07-06 | 山东临沂水利工程总公司 | Construction method of drainage hole carbon fiber cloth reinforced structure |
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Application publication date: 20190402 |
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