CN105625639A - Curling type tensioning and anchoring system for carbon fiber cloth - Google Patents
Curling type tensioning and anchoring system for carbon fiber cloth Download PDFInfo
- Publication number
- CN105625639A CN105625639A CN201610013124.2A CN201610013124A CN105625639A CN 105625639 A CN105625639 A CN 105625639A CN 201610013124 A CN201610013124 A CN 201610013124A CN 105625639 A CN105625639 A CN 105625639A
- Authority
- CN
- China
- Prior art keywords
- carbon cloth
- stretch
- draw
- outer sleeve
- inner sleeve
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 70
- 238000004873 anchoring Methods 0.000 title claims abstract description 21
- 229920000049 Carbon (fiber) Polymers 0.000 title abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 11
- 239000004917 carbon fiber Substances 0.000 title abstract 10
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 57
- 229910052799 carbon Inorganic materials 0.000 claims description 57
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a curling type tensioning and anchoring system for carbon fiber cloth, comprising an anchoring machine frame, a tensioning mechanism and a force application device, wherein the carbon fiber cloth is fixedly arranged on the tensioning mechanism, the tensioning mechanism is installed on the anchoring machine frame, and the force application device is configured to apply a prestressing force to the carbon fiber cloth through the tensioning mechanism. According to the curling type tensioning and anchoring system for the carbon fiber cloth disclosed by the invention, the prestressing force is applied to the carbon fiber cloth before the carbon fiber cloth is adhered to a concrete beam, and the carbon fiber cloth is adhered to the bottom of the concrete beam under the condition that the prestressing force is kept unchanged, so that the concrete beam is reinforced, and the carbon fiber cloth is forced uniformly and has good tensioning effect; meanwhile the curling type tensioning and anchoring system for the carbon fiber cloth integrates a tensioning device and an anchoring device and has the advantages of simple structure, convenience for operation and easiness for popularization and use.
Description
Technical field
The invention belongs to structural engineering field, be specifically designed a kind of carbon cloth rolling stretch-draw and anchor system.
Background technology
Carbon cloth (is called for short CFRP cloth) and has high intensity, light weight, feature fire-resistant, corrosion resistant, is the ideal material of reinforced concrete flexural member, it is possible to be widely used in bridge, civil buildings. The feature high in order to give full play to CFRP cloth tensile strength, carbon cloth is pasted onto when Shi Hanzhang again surface of concrete structure, the utilization rate of fiber cloth can be effectively improved, simultaneously the generation of restriction concrete member surface crack and development better, is beneficial to the bearing capacity improving component and increases the service life. In recent years, carbon cloth reinforced mode transfers, from common direct stickup, the mode that Shi Hanzhang is reinforced to gradually. But existing carbon cloth method for applying prestressing force, for instance on embedded stretching method, two ends stretching method and beam, stretching method is more complicated, and the tensioning equipment of use is bulky, need to take bigger construction site, and efficiency of construction is low.
Because the defect that above-mentioned existing carbon cloth tensioning equipment exists, the present inventor is based on being engaged in practical experience and the Professional knowledge that this type of product design manufacture is enriched for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of novel carbon cloth rolling stretch-draw and anchor system so that it is have more practicality.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of carbon cloth rolling stretch-draw and anchor system, at carbon cloth for pasting before beams of concrete to carbon cloth Shi Hanzhang, and when keeping prestressing force constant, carbon cloth is pasted bottom beams of concrete, realize concrete beam strengthening, making carbon cloth uniform force, stretch-draw effect is good; Simple in construction simultaneously, integrates stretch-draw and anchor, easy to operate, it is easy to promote the use of.
The present invention adopts the following technical scheme that
A kind of carbon cloth rolling stretch-draw and anchor system, two sets use simultaneously, and it is symmetricly set in beams of concrete two ends, often set carbon cloth rolling stretch-draw and anchor system include anchoring frame, stretch-draw mechanism and force application apparatus, carbon cloth is fixedly installed in stretch-draw mechanism, stretch-draw mechanism is arranged in anchoring frame, and force application apparatus passes through stretch-draw mechanism to carbon cloth Shi Hanzhang.
Further, stretch-draw mechanism is roller, and roller two ends are separately mounted in anchoring frame, and along anchoring frame height adjustable, roller two ends are respectively arranged with two through holes, and two through holes are respectively positioned on roller and anchor outside the connecting portion of frame.
Further, the axis of two through holes at roller two ends intersects vertically.
Further, anchoring frame includes two groups of stop sleevees, and wherein often group stop sleeve includes inner sleeve, outer sleeve and base, outer sleeve is fixing with base to be connected, the outline of inner sleeve is identical with the Internal periphery of outer sleeve, and inner sleeve is sheathed in outer sleeve, and moves up and down along outer sleeve.
Further, inner sleeve and outer sleeve are hollow cylinder.
Further, roller two ends are separately mounted to two inner sleeves on base one end, install rear roller and rotate along its axis, and in rotation process, roller axis is fixedly installed relative to inner sleeve, outer sleeve is provided with perforate near base one end, and roller moves up and down through perforate with inner sleeve.
Further, inner sleeve is arranged below at least two bolt hole, outer sleeve is provided with at least one bolt hole identical with the bolt hole aperture on inner sleeve, in the process that inner sleeve moves up and down along outer sleeve, both are fixed after overlapping with the arbitrary bolt hole on outer sleeve by the arbitrary bolt hole being positioned on inner sleeve by bolt.
Further, force application apparatus includes jack and boosting-rod, and the external diameter of boosting-rod is identical with through hole internal diameter, and boosting-rod one end is provided with screw thread and nut.
Further, carbon cloth rolling stretch-draw and anchor system two covering device use simultaneously, and two set carbon cloth rolling stretch-draw and anchor system are individually fixed in beams of concrete two ends, are symmetrical arranged.
Beneficial effects of the present invention:
1, the present invention at carbon cloth for pasting before beams of concrete to carbon cloth Shi Hanzhang, and when keeping prestressing force constant, carbon cloth is pasted bottom beams of concrete, realizing concrete beam strengthening, make carbon cloth uniform force, stretch-draw effect is good.
2, present configuration is simple, integrates stretch-draw and anchor, easy to operate, it is easy to promote the use of.
3, the structure of beams of concrete will not be caused damage by tension operation.
4, leaving gap in stretching process between carbon cloth and beams of concrete, gluing is convenient, is also effectively protected carbon cloth from friction simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the stretch-draw of carbon cloth rolling and anchor system in step c in the embodiment of the present invention;
Fig. 2 is the schematic diagram of the stretch-draw of carbon cloth rolling and anchor system in step d in the embodiment of the present invention;
Fig. 3 is the schematic diagram of the stretch-draw of carbon cloth rolling and anchor system in step f in the embodiment of the present invention;
Fig. 4 is the sectional view at A-A place in Fig. 1;
Fig. 5 is the sectional view at B-B place in Fig. 1;
Fig. 6 is the sectional view at B '-B ' place in Fig. 2;
Labelling implication in accompanying drawing: 1 anchoring frame, 2 stretch-draw mechanisms, 3 force application apparatus, 4 bolts.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
The embodiment of the present invention adopts the mode gone forward one by one to write.
A kind of carbon cloth rolling stretch-draw and anchor system, two sets use simultaneously, and are symmetricly set in bottom the beam body at beams of concrete two ends, and often set carbon cloth rolling stretch-draw and anchor system include anchoring frame 1, stretch-draw mechanism 2 and force application apparatus 3; Wherein anchoring frame 1 includes two groups of stop sleevees, wherein often group stop sleeve includes inner sleeve, outer sleeve and base, inner sleeve and outer sleeve are hollow cylinder, outer sleeve is fixing with base to be connected, the external diameter of inner sleeve is identical with the internal diameter of outer sleeve, inner sleeve is sheathed in outer sleeve, and moves up and down along outer sleeve; Stretch-draw mechanism 2 is roller, roller two ends are separately mounted to two inner sleeves on base one end, rear roller is installed rotate along its axis, and roller axis is fixedly installed relative to inner sleeve in rotation process, outer sleeve is provided with perforate near base one end, and roller moves up and down through perforate with inner sleeve, and roller two ends are respectively arranged with two through holes, and the axis of two through holes intersects vertically, two through holes are respectively positioned on roller and anchor outside the connecting portion of frame 1; Inner sleeve is arranged below two bolts hole, outer sleeve is provided with a bolt hole identical with the bolt hole aperture on inner sleeve, in the process that inner sleeve moves up and down along outer sleeve, after the arbitrary bolt hole being positioned on inner sleeve overlaps with the bolt hole on outer sleeve, by bolt 4, both are fixed, in the present embodiment, when the bolt hole being positioned on inner sleeve two bolts hole and be positioned on outer sleeve is respectively superposed, there is the position in gap in the position of correspondence position respectively carbon cloth and beam body laminating and carbon cloth and beam body; Force application apparatus 3 includes jack and boosting-rod, and the external diameter of boosting-rod is identical with through hole internal diameter, and boosting-rod one end is provided with screw thread and nut, simple in construction, integrates stretch-draw and anchor, easy to operate, it is easy to promote the use of.
In use procedure, two set carbon cloth rolling stretch-draw and anchor system use simultaneously, are individually fixed in beams of concrete two ends, are symmetrical arranged.
Described construction method comprises the following steps:
A, is polished in the beams of concrete surface preparing affixing carbon fabric, remove surface porosity layer, and floating ash is removed clean;
B, fix a set of carbon cloth rolling stretch-draw and anchor system respectively at beams of concrete two ends, ensure to exist between carbon cloth and beams of concrete gap now by the bolt hole selecting inner sleeve corresponding with outer sleeve, stretching process leaves between carbon cloth and beams of concrete gap, gluing is convenient, also it is effectively protected carbon cloth from friction simultaneously, with epoxide-resin glue, the two ends of carbon cloth are separately fixed on the roller at two ends, are at least wound around a circle;
C, after epoxy resin adhesive curing, as it is shown in figure 1, first boosting-rod is inserted on first roller after arbitrary through hole, fix with nut, by fixing boosting-rod, this roller temporarily fixed subsequently, it is prevented that it rotates;
D, second boosting-rod is inserted the arbitrary through hole in side on second roller, this boosting-rod is rotated by jack, rotation along with bar boosting-rod, to carbon cloth Shi Hanzhang, after second roller being turned an angle by second boosting-rod, the other end at second roller inserts the 3rd boosting-rod, and is temporarily fixed by second roller by fixing the 3rd boosting-rod;
E, second boosting-rod is extracted, reinsert the through hole intersected vertically with former through hole, discharge the 3rd boosting-rod, again rotate second boosting-rod with jack, so repeatedly, until it reaches after design prestress value, fix second boosting-rod, complete the work of Shi Hanzhang; The present invention for pasting before beams of concrete to carbon cloth Shi Hanzhang, makes carbon cloth uniform force at carbon cloth, and stretch-draw effect is good.
F, uniformly brush one layer of epoxy resin primer on the beams of concrete surface needed reinforcement, the carbon cloth of stretch-draw is uniformly brushed one layer of epoxy resin face glue, adjust the position of inner sleeve, carbon cloth is made to be attached to beam surface, and catch up with extrusion drum along the Impact direction of fiber, so that carbon cloth and beams of concrete are closely pasted; Prestressing force is kept to paste bottom beams of concrete by carbon cloth when constant, it is achieved to concrete beam strengthening.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its steel structure can be flexible and changeable, it is possible to subseries scheme. Simply make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted claims.
Claims (8)
1. a carbon cloth rolling stretch-draw and anchor system, two sets use simultaneously, and it is symmetricly set in beams of concrete two ends, it is characterized in that: often overlap described carbon cloth rolling stretch-draw and anchor system includes anchoring frame (1), stretch-draw mechanism (2) and force application apparatus (3), carbon cloth is fixedly installed on described stretch-draw mechanism (2), described stretch-draw mechanism (2) is arranged on described anchoring frame (1), described force application apparatus (3) by described stretch-draw mechanism (2) to carbon cloth Shi Hanzhang.
2. carbon cloth rolling stretch-draw according to claim 1 and anchor system, it is characterized in that: described stretch-draw mechanism (2) is roller, described roller two ends are separately mounted on described anchoring frame (1), and along described anchoring frame (1) height adjustable, described roller two ends are respectively arranged with two through holes, and two described through holes are respectively positioned on outside the connecting portion of described roller and described anchoring frame (1).
3. carbon cloth rolling stretch-draw according to claim 2 and anchor system, it is characterised in that: the axis of two described through holes at described roller two ends intersects vertically.
4. carbon cloth rolling stretch-draw according to claim 2 and anchor system, it is characterized in that: described anchoring frame (1) includes two groups of stop sleevees, wherein often group stop sleeve includes inner sleeve, outer sleeve and base, described outer sleeve is fixing with described base to be connected, the outline of described inner sleeve is identical with the Internal periphery of described outer sleeve, described inner sleeve is sheathed in described outer sleeve, and moves up and down along described outer sleeve.
5. carbon cloth rolling stretch-draw according to claim 4 and anchor system, it is characterised in that: described inner sleeve and outer sleeve are hollow cylinder.
6. carbon cloth rolling stretch-draw according to claim 4 and anchor system, it is characterized in that: described roller two ends are separately mounted to two described inner sleeves on described base one end, after installation, described roller rotates along its axis, and roller axis described in rotation process is fixedly installed relative to described inner sleeve, described outer sleeve is provided with perforate near described base one end, and described roller moves up and down through described perforate with described inner sleeve.
7. carbon cloth rolling stretch-draw according to claim 6 and anchor system, it is characterized in that: described inner sleeve is arranged below at least two bolt hole, described outer sleeve is provided with at least one bolt hole identical with the bolt hole aperture on described inner sleeve, in the process that described inner sleeve moves up and down along described outer sleeve, both are fixed after overlapping with the arbitrary bolt hole on described outer sleeve by the arbitrary bolt hole being positioned on described inner sleeve by bolt (4).
8. carbon cloth rolling stretch-draw according to Claims 2 or 3 and anchor system, it is characterized in that: described force application apparatus (3) includes jack and boosting-rod, the external diameter of described boosting-rod is identical with described through hole internal diameter, and described boosting-rod one end is provided with screw thread and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013124.2A CN105625639B (en) | 2016-01-08 | 2016-01-08 | The tensioning of carbon cloth rolling and anchor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013124.2A CN105625639B (en) | 2016-01-08 | 2016-01-08 | The tensioning of carbon cloth rolling and anchor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105625639A true CN105625639A (en) | 2016-06-01 |
| CN105625639B CN105625639B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610013124.2A Active CN105625639B (en) | 2016-01-08 | 2016-01-08 | The tensioning of carbon cloth rolling and anchor system |
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| Country | Link |
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| CN (1) | CN105625639B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285036A (en) * | 2016-09-13 | 2017-01-04 | 广东工业大学 | Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure and reinforcement means |
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|---|---|---|---|---|
| CN101487346A (en) * | 2009-02-16 | 2009-07-22 | 周劲宇 | Transverse stretching method for prestressed fiber cloth reinforced concrete column |
| JP2009167653A (en) * | 2008-01-15 | 2009-07-30 | Daiwa House Industry Co Ltd | Prestressing bar tensioner |
| CN101713253A (en) * | 2009-10-28 | 2010-05-26 | 江苏省苏科建设技术发展有限公司 | Prestressed carbon cloth reinforced tensioner |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN103806673A (en) * | 2014-02-19 | 2014-05-21 | 重庆交通大学 | Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment |
| CN203783156U (en) * | 2014-03-12 | 2014-08-20 | 沈阳工业大学 | Self-balancingtensioning device for prestressedcarbon fiber sheet construction |
| CN203947423U (en) * | 2014-07-15 | 2014-11-19 | 济南市市政工程设计研究院（集团）有限责任公司 | First open folding prestressed steel bundle transfer |
| CN205476518U (en) * | 2016-01-08 | 2016-08-17 | 苏交科集团股份有限公司 | Prestressing force carbon fiber tensioning equipment |
-
2016
- 2016-01-08 CN CN201610013124.2A patent/CN105625639B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009167653A (en) * | 2008-01-15 | 2009-07-30 | Daiwa House Industry Co Ltd | Prestressing bar tensioner |
| CN101487346A (en) * | 2009-02-16 | 2009-07-22 | 周劲宇 | Transverse stretching method for prestressed fiber cloth reinforced concrete column |
| CN101713253A (en) * | 2009-10-28 | 2010-05-26 | 江苏省苏科建设技术发展有限公司 | Prestressed carbon cloth reinforced tensioner |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN103806673A (en) * | 2014-02-19 | 2014-05-21 | 重庆交通大学 | Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment |
| CN203783156U (en) * | 2014-03-12 | 2014-08-20 | 沈阳工业大学 | Self-balancingtensioning device for prestressedcarbon fiber sheet construction |
| CN203947423U (en) * | 2014-07-15 | 2014-11-19 | 济南市市政工程设计研究院（集团）有限责任公司 | First open folding prestressed steel bundle transfer |
| CN205476518U (en) * | 2016-01-08 | 2016-08-17 | 苏交科集团股份有限公司 | Prestressing force carbon fiber tensioning equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285036A (en) * | 2016-09-13 | 2017-01-04 | 广东工业大学 | Pre-stress fibre strengthens Composite patch reinforcement corrosion concrete structure and reinforcement means |
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| Publication number | Publication date |
|---|---|
| CN105625639B (en) | 2017-12-29 |
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Inventor after: Zhang Jiandong Inventor after: Ma Zhihua Inventor after: Tong Hao Inventor after: Yang Yong Inventor after: Mao Suyi Inventor after: Liu Duo Inventor before: Zhang Jiandong Inventor before: Liu Duo Inventor before: Ma Zhihua Inventor before: Chen Kecheng Inventor before: Man Xiaowei Inventor before: Bai Ping Inventor before: Tong Hao |
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