CN110056125A - A kind of Analyses of CFRP-reinforcement of RC Beams - Google Patents
A kind of Analyses of CFRP-reinforcement of RC Beams Download PDFInfo
- Publication number
- CN110056125A CN110056125A CN201910226017.1A CN201910226017A CN110056125A CN 110056125 A CN110056125 A CN 110056125A CN 201910226017 A CN201910226017 A CN 201910226017A CN 110056125 A CN110056125 A CN 110056125A
- Authority
- CN
- China
- Prior art keywords
- beam body
- reinforcement
- cfrp
- analyses
- carbon fiber
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of Analyses of CFRP-reinforcement of RC Beams, including beam body, beam body both ends are separately connected cylinder, the outer wall of beam body is equipped with carbon fiber board, it is fixedly connected between beam body both ends and cylinder by connection component, connection component includes right angle connection sheet and clamping screw, bolt hole there are two being opened in right angle connection sheet, clamping screw through bolt hole respectively with cylinder, beam body connection, it further include stirrup ring, stirrup ring is mounted on outside carbon fiber board, structure of the invention is novel in design, structural stability is good, also there is good resistance to compression, it is wear-resisting, corrosion resistant effect, long service life.
Description
Technical field
The present invention relates to beams of concrete technical field, specially a kind of Analyses of CFRP-reinforcement of RC Beams.
Background technique
Reinforced beam is widely used in the various aspects of building structure as basic bending component.With the time
Passage, early stage reinforced beam entered the work with cracking stage, since Earlier designs more consider gravity laod effect
Ignore shock resistance, so shockproof effect is poor.Once reinforced beam is just with using the time to extend or macroseism generation
It can occur seriously to damage, consider for safety and lives and properties, it is necessary for reinforce to reinforced beam.
It is in earthquake-prone region domain in view of China's most area, is damaged after carrying out seismic hardening and shake to building structure
The reparation of structure requires advanced Reinforcement technology, to improve repairing effect and efficiency.In addition, existing is large quantities of existing
Building is because load increase, natural calamity, environmental attack, purposes change, design standard updates and structural reliability requires to improve
Etc. causing original structure to be unsatisfactory for requiring, it is also desirable to be reinforced in time to it.Currently, there are no mixed to reinforcing bar in the prior art
The authoritative method that solidifying Tu Liang is reinforced.Therefore, it is necessary to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of Analyses of CFRP-reinforcement of RC Beams, existing in the prior art to solve
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of Analyses of CFRP-reinforcement of RC Beams, including beam body, the beam body both ends are separately connected cylinder, the beam body it is outer
Wall is equipped with carbon fiber board, is fixedly connected between the beam body both ends and cylinder by connection component, and the connection component includes
Right angle connection sheet and clamping screw, open that there are two bolts hole in the right angle connection sheet, and the clamping screw is through bolt hole point
It is not connect with cylinder, beam body, further includes stirrup ring, the stirrup ring is mounted on outside carbon fiber board.
Preferably, the carbon fiber board includes substrate, and the substrate upper and lower surface is covered with glass layer, the glass
Fibrous layer is equipped with carbon cloth, and the carbon cloth surface is equipped with stiffening plate, the stiffening plate and the carbon cloth it
Between be equipped with and several join end to end and arrange saw-toothed support carbon fiber board.
Preferably, the carbon cloth includes cloth body, and the cloth body is interwoven by carbon fiber tram and sizing warp thread
Multiple carbon cloth layer units are constituted, and are linked together between two neighboring carbon cloth layer unit by sizing warp thread.
Preferably, the clamping screw includes bolt head and screw rod, and the screw rod includes locking section interconnected and spiral shell
Line section is equipped with guide part with respect to one end of bolt head on the thread segment, offers screw thread, the locking on the thread segment
Constituting between section and thread segment has dashpot, and constituting between the locking section and bolt head has limiting slot, the locking section outer wall
It is equipped with several locking straight grains.
Preferably, the right angle connection sheet is made of steel plate.
Preferably, the stirrup ring includes ring body, and the ring body is in U-shape structure, is welded with reinforcement on the ring body outer wall
Muscle.
Compared with prior art, the beneficial effects of the present invention are:
1) structure of the invention is novel in design, and structural stability is good, also has good resistance to compression, wear-resisting, corrosion resistant effect, service life
It is long.
2) carbon fiber board that the present invention uses has excellent antidetonation buffer capacity, and good toughness is unlikely to deform, can be into one
Step increases the intensity of beam body.
3) carbon cloth that uses of the present invention has the advantages that thermal coefficient is small, wear-resisting folding, effectively extends carbon fiber
Tie up the service life of plate.
4) the clamping screw anti-pressure ability that uses of the present invention is strong, is not easy to loosen after locking, can be improved beam body and column
Bonding strength.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is carbon fiber board cross-sectional view of the present invention；
Fig. 3 is carbon cloth structural schematic diagram of the present invention；
Fig. 4 is clamping screw structural schematic diagram of the present invention；
Fig. 5 is stirrup ring structure schematic diagram of the present invention.
Specific embodiment
The embodiment of the present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of Analyses of CFRP-reinforcement of RC Beams, including beam body 1,1 both ends of beam body are separately connected
Cylinder 2, the outer wall of the beam body 1 are equipped with carbon fiber board 3, are fixed between 1 both ends of beam body and cylinder 2 by connection component
Connection, the connection component include right angle connection sheet 4 and clamping screw 5, are opened in the right angle connection sheet 4 there are two bolt hole,
Right angle connection sheet 4 is made of steel plate, and structural stability is good, is not easy to get rusty；The clamping screw 5 through bolt hole respectively with
Cylinder 2, beam body 1 connect, and further include stirrup ring 6, the stirrup ring 6 is mounted on outside carbon fiber board 3；Wherein, stirrup ring 6 includes
Ring body 24, the ring body 24 are in U-shape structure, are welded with reinforcing rib 25 on 24 outer wall of ring body.The stirrup ring can play increasing
Use is pretended, anti-pressure ability is further improved.
As shown in Fig. 2, carbon fiber board 3 includes substrate 7,7 upper and lower surface of substrate is covered with glass layer 8, described
Glass layer 8 be equipped with carbon cloth 9,9 surface of carbon cloth be equipped with stiffening plate 10, the stiffening plate 10 with it is described
It joins end to end equipped with several between carbon cloth 9 and arranges saw-toothed support carbon fiber board 11.Glass layer has exhausted
The advantages of edge is good, heat resistance is strong, corrosion resistance is good, high mechanical strength, the carbon fiber board that the present invention uses have excellent resist
Buffer capacity is shaken, good toughness is unlikely to deform, and can further increase the intensity of beam body.
As shown in figure 3, carbon cloth 9 includes cloth body 12, the cloth body 12 is handed over by carbon fiber tram 13 and sizing warp thread 14
Multiple carbon cloth layer units 15 made of knitting are constituted, and are connected between two neighboring carbon cloth layer unit 15 by sizing warp thread 14
Together.The carbon cloth that the present invention uses has the advantages that thermal coefficient is small, wear-resisting folding, effectively extends carbon fiber board
Service life.
As shown in figure 4, clamping screw 5 includes bolt head 16 and screw rod 17, the screw rod 17 includes locking interconnected
Section 18 and thread segment 19, on the thread segment 19 it is opposite with one end of bolt head 16 equipped with guide part 20, on the thread segment 19
Offer screw thread, constituting between the locking section 18 and thread segment 19 has a dashpot 21, the locking section 18 and bolt head 16 it
Between constitute and have a limiting slot 22,18 outer wall of locking section is equipped with several locking straight grains 23.The clamping screw that the present invention uses is anti-
Pressure energy power is strong, is not easy to loosen after locking, can be improved the bonding strength of beam body and column.
As shown in figure 5, the stirrup ring 6 includes ring body 24, the ring body 24 is in U-shape structure, on 24 outer wall of ring body
It is welded with reinforcing rib 25.
In conclusion structure of the invention is novel in design, structural stability is good, also has good resistance to compression, wear-resisting, corrosion resistant effect
Fruit, long service life.
Claims (6)
1. a kind of Analyses of CFRP-reinforcement of RC Beams, including beam body (1), it is characterised in that: beam body (1) both ends connect respectively
It connects cylinder (2), the outer wall of the beam body (1) is equipped with carbon fiber board (3), is passed through between beam body (1) both ends and cylinder (2)
Connection component is fixedly connected, and the connection component includes right angle connection sheet (4) and clamping screw (5), the right angle connection sheet (4)
On open there are two bolt hole, the clamping screw (5) connect with cylinder (2), beam body (1) respectively through bolt hole, further includes binding round
Muscle ring (6), it is external that the stirrup ring (6) is mounted on carbon fiber board (3).
2. a kind of Analyses of CFRP-reinforcement of RC Beams according to claim 1, it is characterised in that: the carbon fiber board
It (3) include substrate (7), substrate (7) upper and lower surface is covered with glass layer (8), and the glass layer (8) is equipped with
Carbon cloth (9), carbon cloth (9) surface are equipped with stiffening plate (10), the stiffening plate (10) and the carbon cloth
(9) it joins end to end equipped with several between and arranges saw-toothed support carbon fiber board (11).
3. a kind of Analyses of CFRP-reinforcement of RC Beams according to claim 2, it is characterised in that: the carbon cloth
It (9) include cloth body (12), multiple carbon fibers that the cloth body (12) is interwoven by carbon fiber tram (13) and sizing warp thread (14)
It ties up cloth layer unit (15) to constitute, be linked together between two neighboring carbon cloth layer unit (15) by sizing warp thread (14).
4. a kind of Analyses of CFRP-reinforcement of RC Beams according to claim 1, it is characterised in that: the clamping screw
It (5) include bolt head (16) and screw rod (17), the screw rod (17) includes locking section interconnected (18) and thread segment (19),
Guide part (20) are equipped with respect to one end of bolt head (16) on the thread segment (19), offer spiral shell on the thread segment (19)
Line, constituting between the locking section (18) and thread segment (19) has dashpot (21), the locking section (18) and bolt head (16)
Between constitute and have limiting slot (22), locking section (18) outer wall is equipped with several locking straight grains (23).
5. a kind of Analyses of CFRP-reinforcement of RC Beams according to claim 1, it is characterised in that: the right angle connection sheet
(4) it is made of steel plate.
6. a kind of Analyses of CFRP-reinforcement of RC Beams according to claim 1, it is characterised in that: the stirrup ring (6)
Including ring body (24), the ring body (24) is in U-shape structure, is welded with reinforcing rib (25) on ring body (24) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226017.1A CN110056125A (en) | 2019-03-25 | 2019-03-25 | A kind of Analyses of CFRP-reinforcement of RC Beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226017.1A CN110056125A (en) | 2019-03-25 | 2019-03-25 | A kind of Analyses of CFRP-reinforcement of RC Beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110056125A true CN110056125A (en) | 2019-07-26 |
Family
ID=67316301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910226017.1A Pending CN110056125A (en) | 2019-03-25 | 2019-03-25 | A kind of Analyses of CFRP-reinforcement of RC Beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056125A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685455A (en) * | 2019-10-22 | 2020-01-14 | 卡本科技集团股份有限公司 | High-strength steel wire cloth right-angle reinforcing mode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485523U (en) * | 2013-07-05 | 2014-03-19 | 德州鼎晟加固工程材料科技有限公司 | Composite carbon fiber cloth with high molecular elastic membrane |
| CN203485505U (en) * | 2013-07-05 | 2014-03-19 | 德州鼎晟加固工程材料科技有限公司 | Composite carbon fiber cloth |
| CN203783176U (en) * | 2014-03-19 | 2014-08-20 | 华北水利水电大学 | Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam |
| CN205715173U (en) * | 2016-05-09 | 2016-11-23 | 台州远拓机械制造有限公司 | A kind of clamping screw |
| CN107933004A (en) * | 2017-11-14 | 2018-04-20 | 盐城天顺机械科技有限公司 | A kind of carbon fiber board and its production method |
-
2019
- 2019-03-25 CN CN201910226017.1A patent/CN110056125A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485523U (en) * | 2013-07-05 | 2014-03-19 | 德州鼎晟加固工程材料科技有限公司 | Composite carbon fiber cloth with high molecular elastic membrane |
| CN203485505U (en) * | 2013-07-05 | 2014-03-19 | 德州鼎晟加固工程材料科技有限公司 | Composite carbon fiber cloth |
| CN203783176U (en) * | 2014-03-19 | 2014-08-20 | 华北水利水电大学 | Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam |
| CN205715173U (en) * | 2016-05-09 | 2016-11-23 | 台州远拓机械制造有限公司 | A kind of clamping screw |
| CN107933004A (en) * | 2017-11-14 | 2018-04-20 | 盐城天顺机械科技有限公司 | A kind of carbon fiber board and its production method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685455A (en) * | 2019-10-22 | 2020-01-14 | 卡本科技集团股份有限公司 | High-strength steel wire cloth right-angle reinforcing mode |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |