CN203669404U - Reinforced concrete beam reinforced by carbon fiber cloth - Google Patents
Reinforced concrete beam reinforced by carbon fiber cloth Download PDFInfo
- Publication number
- CN203669404U CN203669404U CN201320805886.8U CN201320805886U CN203669404U CN 203669404 U CN203669404 U CN 203669404U CN 201320805886 U CN201320805886 U CN 201320805886U CN 203669404 U CN203669404 U CN 203669404U
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- Prior art keywords
- carbon cloth
- concrete beam
- reinforced concrete
- steel plate
- reinforced
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- Expired - Lifetime
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- 239000004744 fabric Substances 0.000 title claims abstract description 99
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 55
- 229920000049 Carbon (fiber) Polymers 0.000 title abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000004917 carbon fiber Substances 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 239000000126 substance Substances 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 93
- 229910052799 carbon Inorganic materials 0.000 claims description 93
- 239000003292 glue Substances 0.000 claims description 24
- 235000012149 noodles Nutrition 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a reinforced concrete beam reinforced by carbon fiber cloth. The reinforced concrete beam reinforced by carbon fiber cloth comprises a reinforced concrete beam body. The carbon fiber cloth stuck to the reinforced concrete beam body to form a whole is arranged on the bottom tension face of the reinforced concrete beam body. The two ends of the carbon fiber cloth are connected with steel plates, the steel plates are provided with steel plate connecting holes, and the steel plates are connected with the two ends of the reinforced concrete beam body through the steel plate connecting holes, nuts and chemical bolts. The reinforced concrete beam reinforced by the carbon fiber cloth is simple in structure and easy and convenient to construct, the ends of the reinforced concrete beam can be fixed reliably, the tensile strength of the concrete beam is effectively improved, the flexural capacity of the concrete beam is improved, seismic performance of a building structure and restoration effect and efficiency of a post-earthquake damaged structure are improved, and life and property safety of people is guaranteed.
Description
Technical field
The utility model relates to construction engineering technical field, particularly a kind ofly adopts carbon cloth reinforced reinforced concrete beam.
Background technology
Reinforced concrete beam, as basic bending component, is widely used in the various aspects of building structure.Along with passage of time, early stage reinforced concrete beam has entered the work with cracking stage, because shock resistance is ignored in the effect of the more consideration gravity loads of early stage design, so shockproof effect is poor.Once along with extending service time or macroseism occurs, will there is grievous injury in reinforced concrete beam, consider for safety and lives and properties, reinforced concrete beam is carried out to bending resistance and draw that to reinforce be necessary.
In view of China most areas is in territory, earthquake-prone region, building structure is carried out to the reparation of seismic hardening and the rear damaged structure of shake, all need advanced Reinforcement technology, to improve repairing effect and efficiency.In addition, existing large quantities of existing buildings cause original structure not meet the demands because of load increase, natural calamity, environmental attack, purposes change, design standard is upgraded and structural reliability requirement raising etc., also need in time it to be reinforced.
The authoritative method of also reinforced concrete beam not being reinforced in prior art at present.Carbon cloth owing to thering is high-strength efficient, good endurance, acid and alkali-resistance salt corrosion is strong, heat-resisting and cold resistance is good and easy construction, the advantages such as reliable construction quality, become the in-problem good selection of solution prior art.
Summary of the invention
The utility model is exactly the problems referred to above that exist for solving prior art, and a kind of carbon cloth reinforced reinforced concrete beam that adopts is provided; By the chemical bolt, nut and the steel plate combination that are fixed on reinforced concrete beam two ends, carbon cloth is fixed on to the curved hand-pulled noodles of reinforced concrete beam.This construction technology is easy, simple in structure, end is fixing reliable, has effectively improved the anti-bending bearing capacity of reinforced concrete beam, has improved the anti-seismic performance of building structure and repairing effect and the efficiency of the rear damaged structure of shake, has ensured people's life and property safety.
The technical scheme of the utility model technical solution problem is:
A kind ofly adopt carbon cloth reinforced reinforced concrete beam, comprise reinforced concrete beam, the curved hand-pulled noodles in bottom of described reinforced concrete beam is provided with evenly pastes with it the carbon cloth being integrated, described carbon cloth two ends are connected with the first steel plate, the first steel plate is provided with steel plate connecting hole, and described the first steel plate is connected with reinforced concrete beam two ends by steel plate connecting hole, nut and chemical bolt.
Described carbon cloth adopts continuous strip carbon cloth, and described carbon cloth end is by being wound around, being wrapped in the first surface of steel plate, and the first steel plate length is identical with carbon cloth width.
On beam, be provided with some U-shaped hoops near the position of the first steel plate inner side, two ends, U-shaped hoop lower inside contacts with carbon cloth.
Described U-shaped hoop comprises carbon cloth, and wherein the two ends of carbon cloth are wrapped in respectively on the second steel plate, and the second steel plate is provided with connecting hole, and the two sides of reinforced concrete beam are respectively equipped with U-shaped hoop fixing hole; The second steel plate is connected with chemical bolt bar by connecting hole, and the outer end of described chemical screw rod is provided with fastening nut, the second steel plate, U-shaped hoop and reinforced concrete beam is combined closely, thereby the carbon cloth of curved hand-pulled noodles is played to reinforcement effect.
The curved hand-pulled noodles in described reinforced concrete beam bottom, after polishing, repairing levelling, painting primer and structure glue are processed, is pasted with carbon cloth, and carbon cloth external surface is evenly coated with structure glue.Carbon cloth can be provided with multilayer, between each layer of adjacent carbon cloth, needs coating structure glue.
After the structure glue dry to touch on outer carbon cloth surface, spread totally at its surface uniform, dry river sand particle, be convenient to reinforcing and finish rear to this position decoration process such as plaster.
The superficies of the carbon cloth after structure glue dry to touch spread clean, dry river sand particle; After the sand fixation of river, surperficial Puttying, brush emulsion paint.
The beneficial effects of the utility model:
1, the utility model is fixed on the curved hand-pulled noodles of reinforced concrete beam by the chemical bolt, nut and the steel plate combination that are fixed on reinforced concrete beam two ends by carbon cloth, structure and easy construction, end is fixing reliable, effectively improve the flexural strength of reinforced concrete beam, improve the anti-seismic performance of building structure and repairing effect and the efficiency of the rear damaged structure of shake, ensured people's life and property safety.
2, the utility model structure and construct simple, with low costly, adopts the method fixed carbon cloth end of chemical bolt anchoring, efficiently solves the end sticking with glue and peels off problem, has improved the consolidation effect of carbon cloth.
3, to adopt structure glue affixing carbon fabric to ensure that carbon cloth and concrete beam mid portion bond smooth, closely knit for the utility model, gives full play to the good advantage of tension characteristic of carbon cloth, improved the anti-bending bearing capacity of reinforced concrete beam.
4, the utility model compact conformation, does not take the usage space that is reinforced building.
5, clean, dry river sand particle is spread on the surface after carbon cloth surface texture glue dry to touch, can play fireproof effect; In surperficial Puttying or brush emulsion paint, surface aesthetic, wear-resisting, resistance to wiping.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that carbon cloth is reserved and carbon cloth is wound around steel disc schematic diagram;
Fig. 3 the first steel plate, the second steel plate structure schematic diagram;
Fig. 4 is carbon cloth structural representation;
Fig. 5 chemical bolt schematic detail view;
In figure, 1, U-shaped hoop; 2, reinforced concrete beam; 3, carbon cloth; 4, the first steel plate; 5, nut; 6, chemical bolt; 7, reinforced concrete post; 8, steel plate connecting hole; 9, the second steel plate.
Detailed description of the invention
In order to understand better the utility model, explain in detail embodiment of the present utility model below in conjunction with accompanying drawing.
In conjunction with Fig. 1 to Fig. 5, adopt carbon cloth reinforced reinforced concrete beam, comprise reinforced concrete beam 2, reinforced concrete beam 2 is connected with the reinforced concrete post 7 at two ends, the curved hand-pulled noodles in bottom of described reinforced concrete beam 2 is provided with evenly pastes with it the carbon cloth 3 being integrated, described carbon cloth 3 two ends are connected with the first steel plate 4, and steel plate 4 is provided with steel plate connecting hole 8, and described steel plate 4 is connected with the two ends of reinforced concrete beam 2 by steel plate connecting hole 8, nut 5 and chemical bolt 6.
Described carbon cloth adopts continuous strip carbon cloth, and the end of described carbon cloth is by being wound around, making carbon cloth be wrapped in surface of steel plate, and steel plate 4 length are identical with carbon cloth 3 width, and carbon cloth 3 evenly sticks on the curved hand-pulled noodles of beam.The two ends of carbon cloth are preset with for the length in reserve being wound around, and length in reserve is 3 times of steel plate 4 width.
On the reinforced concrete beam of inner side between the steel plate of close two ends, be respectively equipped with some U-shaped hoops 1, U-shaped hoop 1 lower inside contacts with carbon cloth.
Described U-shaped hoop 1 comprises carbon cloth, wherein the two ends of carbon cloth are wrapped in respectively on the second steel plate 9, the second steel plate is provided with connecting hole, the two sides of concrete beam are respectively equipped with U-shaped hoop fixing hole, in U-shaped hoop fixing hole, put into the pencil supporting with chemical bolt, chemical screw rod is connected with U-shaped hoop fixing hole; The second steel plate being wound around after carbon cloth is connected with two chemical bolt bars by connecting hole, outer end at chemical screw rod is provided with fastening nut, fastening nut is at the uniform velocity fully tightened on screw rod, and the carbon cloth of the second steel plate, U-shaped hoop and concrete and U-shaped hoop 1 bottom and the carbon cloth of reinforced concrete beam 2 bottoms can be combined closely.Described the first steel plate, the second steel plate can adopt the identical and structure that appearance and size is different of bolt hole size.
The curved hand-pulled noodles in described bottom is pasted with carbon cloth after polishing, repairing levelling, painting primer and structure glue, and carbon cloth external surface is evenly coated with structure glue.When polishing, the grinding depth of the concrete surface of steel plate permanent position, than the low 2-3mm of adjacent concrete plane; Whole process does not allow submersible.
Carbon cloth is provided with multilayer, between each layer of adjacent carbon cloth, needs coating structure glue.
After the structure glue dry to touch on outer carbon cloth surface, spread totally, be dried river sand particle at its surface uniform.
The present invention adopts following steps to reinforce reinforced concrete beam:
Unwrapping wire: on the curved hand-pulled noodles in reinforced concrete beam bottom, according to carbon cloth size and actual arrangement position, every side extends out the 1cm bullet line of ink marker, according to the connecting hole position of the location positioning steel concrete soffit of steel plate connecting hole.U-shaped hoop chamfering: by the corner location for paste chamfering of U-shaped hoop and be polished into circular-arcly, circular arc radius of curvature should not be less than 20mm.Curved hand-pulled noodles base treatment: the concrete surface in the line of ink marker is carried out to grinding process with angle grinding machine, remove the greasy dirt, putty, coating, floating dust of component surface etc., expose hard of concrete, blow clean stand-by with hair-dryer; In the boring of concrete connecting hole position, after boring, draw hole, blow hole with hair-dryer again with hairbrush; When polishing, the grinding depth of the concrete surface of steel plate permanent position, than the low 2-3mm of adjacent concrete plane, cleans out and keeps dry with dust catcher.Steel plate processing: bore connecting hole on steel plate, connecting hole adopts circular hole.Repair levelling, the hole, hole occurring on concrete surface after grinding process, depression are filled and led up with repair sheets.Chemical bolt end is fixed: will put into concrete hole with the supporting pencil of connecting bolt, then with electric drill, chemical screw rod is implanted in concrete hole, solidify.Be coated with primer and structure glue: primer, in predetermined proportioning ratio mixing, is brushed on concrete surface with hairbrush; Structure glue, in predetermined proportioning ratio mixing, is treated to primer surface dry to touch, brush on primer with hairbrush.One end of fixed carbon cloth: one end of carbon cloth is wound around around steel plate 4, is arranged on two chemical bolt bars by connecting hole being wound around the steel plate of carbon fiber, will at the uniform velocity fully tighten on screw rod with the supporting nut of chemical screw rod.Fixing other end carbon cloth: carbon cloth is manually tightened, under the prerequisite of tightening in guarantee, the carbon cloth reserved other end is wrapped on steel plate 4.Carbon cloth is pasted: carbon cloth is gently overlayed to the position of pasting in needs with rubber pad, adopt cylinder along repeatedly roll extrusion of machine direction, get rid of bubble, make glue fully soak into carbon cloth, then in the even brushing structure glue of carbon fiber surface, along the repeatedly roll extrusion of carbon fiber direction, make surperficial glue fully soak into carbon cloth with cylinder.U-shaped hoop one end is fixed: bore respectively U-shaped hoop fixing hole, and clear hole in the two sides of concrete beam, by putting into U-shaped hoop fixing hole with the supporting pencil of chemical bolt, then with electric drill, chemical screw rod is implanted in U-shaped hoop fixing hole; One end of U-shaped hoop that carbon cloth is made, around steel plate 9, is then arranged on by connecting hole the steel plate 9 being wound around after carbon cloth on two chemical bolt bars, will on screw rod, at the uniform velocity fully tighten with the supporting nut of chemical screw rod.The U-shaped hoop other end is fixed: the carbon cloth of U-shaped hoop is manually tightened, the carbon fiber U-shaped hoop of the other end is wrapped on the second steel plate 9.U-shaped hoop is pasted: the U-shaped hoop that carbon fiber is made gently overlays the position of pasting in needs with rubber pad, by carbon cloth firm pasting.Carbon cloth outermost gluing: in the even brushing structure glue of outermost of carbon cloth, along the repeatedly roll extrusion of carbon fiber direction, make structure glue fully soak into carbon cloth with cylinder.Surface scab: after surface texture glue dry to touch, clean, dry river sand particle is spread on surface.Surface is whitewashed: after the sand fixation of river, and surperficial Puttying, brush emulsion paint.
Although by reference to the accompanying drawings the detailed description of the invention of utility model is described above; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make still in protection domain of the present utility model.
Claims (7)
1. one kind adopts carbon cloth reinforced reinforced concrete beam, comprise reinforced concrete beam, it is characterized in that, the curved hand-pulled noodles in bottom of described reinforced concrete beam is provided with evenly pastes with it the carbon cloth being integrated, described carbon cloth two ends are connected with the first steel plate, the first steel plate is provided with steel plate connecting hole, and described the first steel plate is connected with the two ends of reinforced concrete beam by steel plate connecting hole, nut and chemical bolt.
2. the carbon cloth reinforced reinforced concrete beam of employing as claimed in claim 1, is characterized in that: described carbon cloth adopts continuous strip carbon cloth, and the end of described carbon cloth, by being wound around, is wrapped in the first surface of steel plate.
3. the carbon cloth reinforced reinforced concrete beam of employing as claimed in claim 1, is characterized in that: on the reinforced concrete beam of inner side between the first steel plate of close two ends, be respectively equipped with some U-shaped hoops, U-shaped hoop lower inside contacts with carbon cloth.
4. the carbon cloth reinforced reinforced concrete beam of employing as claimed in claim 3, it is characterized in that: described U-shaped hoop comprises carbon cloth, wherein the two ends of carbon cloth are wrapped in respectively on the second steel plate, the second steel plate is provided with connecting hole, the two sides of concrete beam are respectively equipped with U-shaped hoop fixing hole, in U-shaped hoop fixing hole, put into the pencil supporting with chemical bolt, chemical bolt bar is connected with U-shaped hoop fixing hole; The second steel plate being wound around after carbon cloth is connected with two chemical bolt bars by connecting hole, outer end at chemical screw rod is provided with fastening nut, fastening nut is at the uniform velocity tightened on screw rod, and the second steel plate, U-shaped hoop and concrete and the carbon cloth of U-shaped hoop bottom and the carbon cloth of reinforced concrete beam bottom are combined closely.
5. the carbon cloth reinforced reinforced concrete beam of employing as claimed in claim 1, it is characterized in that: the curved hand-pulled noodles in described steel concrete bottom is pasted with carbon cloth after polishing, repairing levelling, painting primer and structure glue, and carbon cloth external surface is evenly coated with structure glue.
6. the carbon cloth reinforced reinforced concrete beam of employing as claimed in claim 1, is characterized in that: if described carbon cloth is provided with multilayer, and coating structure glue between each layer of adjacent carbon cloth.
7. the carbon cloth reinforced reinforced concrete beam of employing as described in claim 5 or 6, is characterized in that: after the structure glue of described carbon cloth superficies hand touches and is dried, spread totally, be dried river sand particle at its surface uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805886.8U CN203669404U (en) | 2013-12-10 | 2013-12-10 | Reinforced concrete beam reinforced by carbon fiber cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805886.8U CN203669404U (en) | 2013-12-10 | 2013-12-10 | Reinforced concrete beam reinforced by carbon fiber cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669404U true CN203669404U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805886.8U Expired - Lifetime CN203669404U (en) | 2013-12-10 | 2013-12-10 | Reinforced concrete beam reinforced by carbon fiber cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603509A (en) * | 2013-12-10 | 2014-02-26 | 山东双得利建设科技有限公司 | Carbon fiber fabric reinforced concrete beam and reinforcing method thereof |
-
2013
- 2013-12-10 CN CN201320805886.8U patent/CN203669404U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603509A (en) * | 2013-12-10 | 2014-02-26 | 山东双得利建设科技有限公司 | Carbon fiber fabric reinforced concrete beam and reinforcing method thereof |
| CN103603509B (en) * | 2013-12-10 | 2016-08-17 | 山东双得利建设科技有限公司 | Use carbon cloth reinforced reinforced beam and reinforcement means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Carbon fiber fabric reinforced concrete beam and reinforcing method thereof Effective date of registration: 20161215 Granted publication date: 20140625 Pledgee: Qilu bank, Ji'nan branch, Pledgor: SHANDONG SHUANGDELI CONSTRUCTION TECHNOLOGY Co.,Ltd. Registration number: 2016370000105 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |