CN108301637A - A kind of pre-stressed carbon fiber plate wedge shape anchorage - Google Patents
A kind of pre-stressed carbon fiber plate wedge shape anchorage Download PDFInfo
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- CN108301637A CN108301637A CN201810325973.0A CN201810325973A CN108301637A CN 108301637 A CN108301637 A CN 108301637A CN 201810325973 A CN201810325973 A CN 201810325973A CN 108301637 A CN108301637 A CN 108301637A
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- wedge
- anchor
- carbon fiber
- shaped
- wedge shape
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of pre-stressed carbon fiber plate wedge shape anchorages, it includes carbon fiber board, anchor set, wedge-shaped anchor slab, boss and adhesive glue, the contact surface of the wedge shape anchor slab and anchor set is spherical surface, the anchor, which is put on, is provided with wedge insert compatible with the wedge shape anchor slab, the upper and lower end face of the wedge insert is the spherical structure being recessed inwardly, and the upper and lower end face of the upper and lower two wedge-shaped anchor slabs is the spherical structure outwardly protruded；It is symmetrically arranged with multiple boss on the stitching surface of the upper and lower two wedge-shaped anchor slabs, the stitching surface of the wedge shape anchor slab is coated with the adhesive glue, after the upper and lower two wedge-shaped anchor slab splits in the wedge insert of anchor set, the boss on the wedge shape anchor slab, which is laminated, is anchored at the carbon fiber board in the anchor set.
Description
Technical field
The present invention relates to a kind of pre-stressed carbon fiber plate wedge shape anchorages, belong to engineering reinforcement technical field.
Background technology
The engineering developments such as China's building, highway, railway, water conservancy for many years, many building bodies, supporting member, highway, railway
Bridge, dam block body etc., longtime running, performance indicator is insufficient, need to carry out reinforcing enhancing.The reinforcement technique of prestressing force active in recent years
It obtains popularizing and use, economic and social benefit highly significant, and have short time limit, execution conditions facility, maintain former bridge looks
Etc. advantages.And carbon fiber board material due to its intensity height, fatigue resistance, damping property, good corrosion resistance the characteristics of, strengthening construction side
Just, the period is short, does not increase the advantages that dead load, in engineering reinforcement application increasingly extensively.Therefore, how carbon fiber is applied
Prestressing force and reliably anchoring are the critical issues for having to solve in carbon fiber reinforcement engineering.
Invention content
Technical problem to be solved by the invention is to provide a kind of pre-stressed carbon fiber plate wedges that anchoring property is reliable and stable
Shape anchorage.
To solve the above problems, the technical solution used in the present invention is：
A kind of pre-stressed carbon fiber plate wedge shape anchorage comprising carbon fiber board, anchor set, wedge-shaped anchor slab, boss and adhesive glue, it is described
The contact surface of wedge-shaped anchor slab and anchor set is spherical surface, and the anchor, which is put on, to be provided in wedge shape compatible with the wedge shape anchor slab
Hole, the upper and lower end face of the wedge insert are the spherical structure being recessed inwardly, the upper and lower end face of the upper and lower two wedge-shaped anchor slabs
For the spherical structure outwardly protruded；It is symmetrically arranged with multiple boss, institute on the stitching surface of the upper and lower two wedge-shaped anchor slabs
The stitching surface for stating wedge-shaped anchor slab is coated with the adhesive glue, embedded at the wedge of anchor set after the upper and lower two wedge-shaped anchor slab splits
In shape endoporus, the boss on the wedge shape anchor slab, which is laminated, is anchored at the carbon fiber board in the anchor set.
As a further improvement on the present invention, the cross section rectangular and trapezoidal shapes of the boss.
As a further improvement on the present invention, the anchor set is provided with engaging lug, and connecting hole is provided on engaging lug.
It is using advantageous effect caused by above-mentioned technical proposal：
By being obtained to this anchorage a large number of experiments：The indexs such as different size pre-stressed carbon fiber plate tensile strength, elongation are surveyed
Value is superior to national standard；Efficiency of anchorage is all higher than 0.95, is better than prestressed slab（Muscle）National standard；Prestressing force carbon fiber
It ties up plate fracture form to destroy for diversity, effectively reduces stress concentration phenomenon；Pre-stressed carbon fiber plate fracture after anchorage and its
Holding position is without sliding and destroys, and has given full play to the mechanical property of pre-stressed carbon fiber plate；Mechanical anchorage technology is used, is passed through
A large number of experiments is verified, and stability and reliability are examined.Disclosed pre-stressed carbon fiber plate wedge shape anchor of the present invention
Have small, light-weight, processing is simple, and convenient construction, anchoring property is reliable and stable, substantially reduces anchorage cost of manufacture.
It when two wedge-shaped anchor slab pressings, matches with the wedge insert of anchor set, the upper and lower end face of wedge insert is to concave
The upper and lower end face of sunken spherical structure, the upper and lower two wedge-shaped anchor slabs is the spherical structure outwardly protruded, two wedge-shaped anchor slabs
Small end can by the big end of wedge insert be inserted into wedge insert in, when to carbon fiber board apply pulling force inward hole small extreme direction draw
When, wedge-shaped endoporus be conducive to carbon fiber board tension locking, avoid carbon fiber board anchoring loosen, strengthen anchoring stability,
Reliability.
The contact surface of wedge-shaped anchor slab and anchor set is spherical surface, reduces anchor set and is caused because of the deformation that carbon fiber board stress generates
Stress concentration, stress is more balanced when wedge-shaped anchor slab being made to press, and strengthens stability, the reliability of anchoring；Avoid two wedges
The tension small end excessive compression carbon fiber board of shape anchor slab, reduces the stress concentration of carbon fiber board, increases making for carbon fiber board
Use life and reliability.
It is provided with circular arc chamfering at the pressing of the tension small end of two wedge-shaped anchor slabs, two when avoiding carbon fiber board tension
The stress concentration of carbon fiber board is caused at the pressing small end of wedge-shaped anchor slab.Wedge-shaped anchor slab be in contact with the wedge insert that anchor covers four
Four interior angles that a stupefied, wedge insert is contacted with wedge-shaped anchor slab are both provided with circular arc chamfering, are made when avoiding wedge-shaped anchor slab tension
At anchor set and wedge-shaped anchor slab stress concentration, increase the reliability of anchor set.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic cross-sectional view of the present invention.
Fig. 2 is the left view structural representation of the present invention.
Fig. 3 is the overlooking structure diagram of the present invention.
Wherein：1 carbon fiber board, 2 anchor sets, 3 wedge-shaped anchor slabs, 4, boss, 5 adhesive glues, 6 spherical surfaces, 7 connecting holes, 8 engaging lugs.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, in the following with reference to the drawings and specific embodiments to hair
It is bright to carry out clear, complete description.
Existing pre-stressed carbon fiber plate anchorage technology, there are the anchorings of pre-stressed carbon fiber plate to loosen, bites broken, and anchoring property is steady
The problem of qualitative, poor reliability, in order to solve this problem, develop a kind of pre-stressed carbon fiber plate wedge as shown in Figs. 1-3
Shape anchorage comprising carbon fiber board 1, anchor set 2, wedge-shaped anchor slab 3, boss 4 and adhesive glue, the wedge shape anchor slab 3 cover 2 with the anchor
Contact surface be spherical surface 6, wedge insert compatible with the wedge-shaped anchor slab 3, the wedge insert are provided on anchor set 2
Upper and lower end face be the spherical structure being recessed inwardly, the upper and lower end face of upper and lower two wedge-shaped anchor slabs 3 is the ball outwardly protruded
Face structure；Multiple boss 4 are symmetrically arranged on the stitching surface of the upper and lower two wedge-shaped anchor slabs 3, the wedge shape anchor slab 3
Stitching surface is coated with the adhesive glue 5, after upper and lower two 3 splits of the wedge-shaped anchor slab in the wedge insert of anchor set 2,
Boss 4 on the wedge shape anchor slab 3, which is laminated, is anchored at the carbon fiber board 1 in the anchor set 2.In the present embodiment, institute
The cross section rectangular and trapezoidal shapes of boss 4 are stated, the top surface of boss 4 forms seal face, and multiple seal faces that multiple boss 4 are formed can
Carbon fiber board 1 is effectively compressed, prevents carbon fiber board 1 from loosening.
As shown in Figs. 1-3, the contact surface of wedge-shaped anchor slab 3 and anchor set 2 is spherical surface 6, reduce anchor set 2 because carbon fiber board 1 by
Power generate deformation and caused by stress concentration, make wedge-shaped anchor slab 3 press when stress it is more balanced, strengthen anchoring stability,
Reliability；The tension small end excessive compression carbon fiber board 1 for avoiding two wedge-shaped anchor slabs 3, reduces the stress collection of carbon fiber board 1
In, increase the service life and reliability of carbon fiber board 1.The upper and lower end face of wedge insert is the spherical structure being recessed inwardly, on
The upper and lower end face of the lower two wedge-shaped anchor slabs 3 is the spherical structure outwardly protruded, and one end is big by one after two wedge-shaped anchor slabs 3 press
Hold small, the small end of two wedge-shaped anchor slabs 3 can be inserted by the big end of wedge insert in wedge insert, be drawn when applying to carbon fiber board 1
When the small extreme direction of power inward hole is drawn, two wedge-shaped anchor slabs 3 and the endoporus of wedge shape are conducive to the locking of 1 tension of carbon fiber board, avoid
The anchoring of carbon fiber board 1 loosens.
Four stupefied, wedge inserts that the wedge insert of wedge-shaped anchor slab 3 and anchor set 2 is in contact contacted with wedge shape anchor slab 3 four
A interior angle is both provided with circular arc chamfering, and anchor caused by when avoiding wedge-shaped 3 tension of anchor slab covers the stress concentration of 2 and wedge-shaped anchor slab 3,
Increase the reliability of anchor set 2.
The anchor set 2 is provided with engaging lug 8, and connecting hole 7 is provided on engaging lug 8, passes through engaging lug 8, company in construction
Connecing hole 7 will be arranged together with wedge-shaped anchorage and other connectors on the object for being pre-tightened reinforcing.
In work progress, two wedge-shaped anchorages are symmetricly set on and are pre-tightened on the object reinforced（In two wedge-shaped anchorages
The small extreme direction in hole is opposite）, the wedge-shaped anchorage of side, which is fixed on, to be pre-tightened on the object reinforced, and the other side is slidably arranged in connection
On part（Wedge-shaped anchorage can slide back and forth in the direction that connector upper edge pretightning force applies）, connector, which is fixed on, is pre-tightened reinforcing
On object.Then the wedge-shaped anchor slab 3 of both sides is respectively pressed into the endoporus of anchor set 2 by pretightning force, the wedge-shaped anchor of two per side
3 seal face of plate is mutually twisted, by 1 stable anchorage of pre-stressed carbon fiber plate in endoporus.Then it pulls and is slidably arranged in connector
On wedge-shaped anchorage apply pretightning force will be slidably arranged on connector when the pretightning force of carbon fiber board 1 reaches certain value
Wedge-shaped anchorage is fixed, and construction is completed.
By being obtained to this anchorage a large number of experiments：The indexs such as different size pre-stressed carbon fiber plate tensile strength, elongation
Measured value is superior to national standard；Efficiency of anchorage is all higher than 0.95, is better than the national standard of presstressed reinforcing steel；Prestressing force carbon fiber
It ties up plate fracture form to destroy for diversity, effectively reduces stress concentration phenomenon；Pre-stressed carbon fiber plate fracture after anchorage and its
Holding position is without sliding and destroys, and has given full play to the mechanical property of pre-stressed carbon fiber plate；Mechanical anchorage technology is used, is passed through
A large number of experiments is verified, and stability and reliability are examined.Disclosed pre-stressed carbon fiber plate wedge shape anchor of the present invention
Tool anchors be process using high strength steel plate, pre-stressed carbon fiber plate anchoring it is reliable and stable, also have it is small, it is light-weight,
Processing is simple, and convenient construction, the reliable and stable advantage of anchoring property substantially reduces anchorage cost of manufacture.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment or equivalent replacement of some of the technical features；And
These modifications or replacements, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (3)
1. a kind of pre-stressed carbon fiber plate wedge shape anchorage, it is characterised in that：It includes carbon fiber board（1）, anchor set（2）, wedge-shaped anchor
Plate（3）, boss（4）And adhesive glue（5）, the wedge shape anchor slab（3）With the anchor set（2）Contact surface be spherical surface（6）, the anchor
Set（2）On be provided with and the wedge-shaped anchor slab（3）Compatible wedge insert, the upper and lower end face of the wedge insert are to concave
Sunken spherical structure, the upper and lower two wedge-shaped anchor slabs（3）Upper and lower end face be the spherical structure outwardly protruded；Upper and lower two institutes
State wedge-shaped anchor slab（3）Stitching surface on be symmetrically arranged with multiple boss（4）, the wedge shape anchor slab（3）Stitching surface be coated with
The adhesive glue（5）, the upper and lower two wedge-shaped anchor slabs（3）The anchor set is embedded at after split（2）Wedge insert in, it is described
Wedge-shaped anchor slab（3）On boss（4）It is laminated the carbon fiber board（1）It is anchored at the anchor set（2）In.
2. a kind of pre-stressed carbon fiber plate wedge shape anchorage according to claim 1, it is characterised in that：The boss（4）'s
Cross section rectangular and trapezoidal shapes.
3. a kind of pre-stressed carbon fiber plate wedge shape anchorage according to claim 1, it is characterised in that：The anchor set（2）If
It is equipped with engaging lug（8）, engaging lug（8）On be provided with connecting hole（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325973.0A CN108301637A (en) | 2018-04-12 | 2018-04-12 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325973.0A CN108301637A (en) | 2018-04-12 | 2018-04-12 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108301637A true CN108301637A (en) | 2018-07-20 |
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ID=62847401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810325973.0A Pending CN108301637A (en) | 2018-04-12 | 2018-04-12 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629462A (en) * | 2019-01-17 | 2019-04-16 | 上海悍马建筑科技有限公司 | Prestressed carbon fiber tension anchor |
| CN115653206A (en) * | 2022-12-22 | 2023-01-31 | 太原轨道交通集团有限公司 | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof |
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| US20070221894A1 (en) * | 2003-12-22 | 2007-09-27 | Austria Wirtschaftsservice Gesellschaft M.B.H. | Anchoring for Pre-Tensioned and/or Stressed Tensile Elements |
| JP2012211492A (en) * | 2011-03-31 | 2012-11-01 | Nippon Steel Engineering Co Ltd | Strand anchorage and structure for anchoring strand |
| CN103174261A (en) * | 2013-03-22 | 2013-06-26 | 柳州欧维姆机械股份有限公司 | Carbon fiber board clamping piece with arc-shaped surface |
| CN203769195U (en) * | 2014-03-03 | 2014-08-13 | 衡水宝力工程橡胶有限公司 | Carbon fiber clamping device |
| CN204023888U (en) * | 2014-08-22 | 2014-12-17 | 中国铁道科学研究院铁道建筑研究所 | Strand tapered anchorage |
| CN105421666A (en) * | 2015-12-11 | 2016-03-23 | 桂林理工大学 | Prestressed carbon fiber plate anchoring device and construction method thereof |
| CN206495418U (en) * | 2016-12-27 | 2017-09-15 | 北京巧力神金属结构有限公司 | Flat use for tendon anchorage |
| CN208168419U (en) * | 2018-04-12 | 2018-11-30 | 贝正河北工程技术有限公司 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
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2018
- 2018-04-12 CN CN201810325973.0A patent/CN108301637A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070221894A1 (en) * | 2003-12-22 | 2007-09-27 | Austria Wirtschaftsservice Gesellschaft M.B.H. | Anchoring for Pre-Tensioned and/or Stressed Tensile Elements |
| JP2012211492A (en) * | 2011-03-31 | 2012-11-01 | Nippon Steel Engineering Co Ltd | Strand anchorage and structure for anchoring strand |
| CN103174261A (en) * | 2013-03-22 | 2013-06-26 | 柳州欧维姆机械股份有限公司 | Carbon fiber board clamping piece with arc-shaped surface |
| CN203769195U (en) * | 2014-03-03 | 2014-08-13 | 衡水宝力工程橡胶有限公司 | Carbon fiber clamping device |
| CN204023888U (en) * | 2014-08-22 | 2014-12-17 | 中国铁道科学研究院铁道建筑研究所 | Strand tapered anchorage |
| CN105421666A (en) * | 2015-12-11 | 2016-03-23 | 桂林理工大学 | Prestressed carbon fiber plate anchoring device and construction method thereof |
| CN206495418U (en) * | 2016-12-27 | 2017-09-15 | 北京巧力神金属结构有限公司 | Flat use for tendon anchorage |
| CN208168419U (en) * | 2018-04-12 | 2018-11-30 | 贝正河北工程技术有限公司 | A kind of pre-stressed carbon fiber plate wedge shape anchorage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629462A (en) * | 2019-01-17 | 2019-04-16 | 上海悍马建筑科技有限公司 | Prestressed carbon fiber tension anchor |
| CN115653206A (en) * | 2022-12-22 | 2023-01-31 | 太原轨道交通集团有限公司 | Prestressed carbon fiber reinforced material inner cone type anchorage device and assembling method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |
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