CN107059664A - Pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device - Google Patents
Pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device Download PDFInfo
- Publication number
- CN107059664A CN107059664A CN201710465990.XA CN201710465990A CN107059664A CN 107059664 A CN107059664 A CN 107059664A CN 201710465990 A CN201710465990 A CN 201710465990A CN 107059664 A CN107059664 A CN 107059664A
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- Prior art keywords
- anchor
- fiber cloth
- intermediate plate
- anchor pole
- unilateral bearing
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Links
- 239000004744 fabric Substances 0.000 title claims abstract description 58
- 239000000835 fiber Substances 0.000 title claims abstract description 58
- 238000004873 anchoring Methods 0.000 title claims abstract description 15
- 230000003190 augmentative effect Effects 0.000 claims abstract description 9
- 239000011150 reinforced concrete Substances 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000003518 stress fiber Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- 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)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device, the device includes two anchor poles, two intermediate plates, two anchor heads and for keeping prestressed four unilateral bearings, eight voussoirs and fiber cloth.Drive two anchor poles and intermediate plate that wind fiber cloth to rotate by pulling augmenting wrench on anchor pole, realize the tensioning to fiber cloth.Apparatus of the present invention avoid processing and fiber cloth one jiao of the friction loss during application of corner chamfering for reinforcing square column.Strand tapered anchorage is avoided during power application, the bent screws phenomenon when stretching force is larger.Operating space needed for the device is small, simple structure, easy to operate, with low cost.
Description
Technical field
The invention belongs to the structural strengthening such as science of bridge building, architectural engineering field, more particularly to a kind of reinforced steel concrete
The pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device of pier stud.
Background technology
Fiber composite reinforcing material has unidirectional tensile strength height, light weight, modulus of elasticity height, small volume, anticorrosive etc.
Feature, it is little to original structure member section, load increase after reinforcing, therefore it is widely used in concrete structure reinforcement
In.Prestressing force is applied to ring fibrous material in practice, pre-stress fibre material constraint reinforced column makes core
Concrete is acted on by effective lateral restraint in advance, improves the utilization rate of material.Due to fibrous material it is prestressed apply by
The limitation of anchorage, ripe anchorage is also seldom in the market, and clamping effect is unsatisfactory.
The content of the invention
The invention aims to solve tensioning and anchorage problem of the pre-stressed fiber cloth in stretching process, Jin Erti
For a kind of pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device.
To achieve these goals, the technical scheme is that such：A kind of pre-stressed fiber cloth rotary self-locking formula
Stretching and anchoring device, including two anchor poles, two intermediate plates, two anchor heads and for keep prestressed four unilateral bearings,
Eight voussoirs and fiber cloth；Anchor pole is made up of the termination point of anchor rod at two ends, hex nut and anchor body, and the termination point of anchor rod at two ends is respectively provided with
Open intermediate plate mounting hole in anchor pole U-lag, anchor body two；Intermediate plate two also corresponds to and opens intermediate plate mounting hole, and screw passes through corresponding intermediate plate
Mounting hole is fixedly connected with intermediate plate and anchor pole；Anchor head is provided with two mounting holes, and mounting hole is made up of aperture and macropore, aperture and macropore
Aperture and the termination point of anchor rod that is connected with anchor head of hole depth and unilateral bearing diameter and depth it is consistent, an anchor is driven at macropore
Head U-lag.
The end of fiber cloth is clamped between anchor pole and intermediate plate and enclosed in winding 1 ~ 2 thereon.Four unilateral bearings are put respectively
Enter in the macropore of two anchor heads while note the direction of unilateral bearing, and by the unilateral bearing U-lag and anchor head on unilateral bearing
On anchor head U-lag align and be put into voussoir；Fiber cloth two ends being wrapped between anchor pole and intermediate plate is wrapped in steel to be reinforced
On the position reinforced needed for reinforced concrete pier stud, the termination point of anchor rod at anchor pole two ends is penetrated to the aperture of anchor head respectively, by anchor pole end
Anchor pole U-lag on head aligns with the unilateral bearing breach on unilateral bearing and is put into voussoir；Augmenting wrench is placed on anchor pole
At hex nut, pull augmenting wrench and drive two anchor poles for winding fiber cloth and intermediate plate rotation, make the drawing in fiber cloth should
Power gradually increases, until being loaded into required proof stress.
The anchor head is that square column or cylinder choose the L being close to square column surface respectively according to Reinforced Concrete Pier Column to be reinforced
Shape flat board or the arc plate being close to periphery.
The present invention is contrasted with prior art, and advantage is：（1）Because device is placed on post for reinforcing rectangular column
One jiao avoid fiber cloth during application one jiao friction loss and meanwhile reduce in reinforcing process a corner place
Reason.（2）Strand tapered anchorage is avoided during power application, the bent screws phenomenon when stretching force is larger.（3）The present apparatus has
Have that required operating space is small, simple structure, easy to operate, with low cost advantage.
Brief description of the drawings
Fig. 1 be pre-stressed fiber cloth rotation in the embodiment of the present invention 1 when reinforcing Reinforced Concrete Pier Column and being square column from
Locking-type stretching and anchoring device scheme of installation.
Fig. 2 be pre-stressed fiber cloth rotation in the embodiment of the present invention 1 when reinforcing Reinforced Concrete Pier Column and being square column from
Locking-type stretching and anchoring device mounting plane figure.
Fig. 3 be pre-stressed fiber cloth rotation in the embodiment of the present invention 2 when reinforcing Reinforced Concrete Pier Column and being cylinder from
Locking-type stretching and anchoring device scheme of installation.
Fig. 4 be pre-stressed fiber cloth rotation in the embodiment of the present invention 2 when reinforcing Reinforced Concrete Pier Column and being cylinder from
Locking-type stretching and anchoring device mounting plane figure.
Fig. 5 is anchor head, unilateral bearing, the structural representation of voussoir in the embodiment of the present invention.
Fig. 6 is anchor pole, the structural representation of intermediate plate in the embodiment of the present invention.
Marked in figure：1- anchor poles；11- termination point of anchor rod；12- hex nuts；13- anchor bodies；131- intermediate plate mounting holes；111- anchors
Bar U-lag；2- intermediate plates；21- screws；3- anchor heads；31- apertures；32- macropores；321- anchor head U-lags；4- unilateral bearings；41- is mono-
To bearing breach；42- unilateral bearing U-lags；5- voussoirs；6- fiber cloths；7- reinforced concrete square columns；8- RC Circulars
Post.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Embodiment 1：
As shown in Fig. 1,2,5,6, the present embodiment, to reinforce object, is rotated with reinforced concrete square columns 7 using pre-stressed fiber cloth
Self-locking stretching and anchoring device is reinforced to it, and the width of fiber cloth 6 is 150mm.It is specific as follows：
A kind of pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device, including two anchor poles 1, two intermediate plates 2, two anchor heads 3
And for keeping prestressed four unilateral bearings 4, eight voussoirs 5 and fiber cloth 6.
Anchor pole 1 is made up of the termination point of anchor rod 11, hex nut 12 and anchor body 13 at two ends, and the termination point of anchor rod 11 at two ends is respectively provided with
Open intermediate plate mounting hole 131 in anchor pole U-lag 111, two of anchor body 13；The two of intermediate plate 2 also corresponds to and opens intermediate plate mounting hole 131, screw 21
Intermediate plate 2 and anchor pole 1 are fixedly connected with through corresponding intermediate plate mounting hole 131.
Two mounting holes are opened at the middle part of anchor head 3, and mounting hole is made up of aperture 31 and macropore 32.The aperture of aperture 31 and macropore 32
And hole depth is consistent with the termination point of anchor rod 11 and the diameter and depth of unilateral bearing 4 that anchor head 3 is connected.An anchor is driven at macropore 32
Head U-lag mouthful 321.
The anchor head 3 chooses the L-shaped flat board being close to the surface of reinforced concrete square columns 7.
Specific reinforcing step is as follows：
（1）Determine the reinforcing position on reinforced concrete square columns 7；With the line of ink marker, on its surface, ejection need to carry out prestressed carbon cloth
The position range of parcel.Three corners of reinforced concrete square columns 7 are subjected to polishing chamfering with sander.
（2）The surface of reinforced concrete square columns 7 is polished, the processing such as filling-up hole.It need to be carried out in reinforced concrete square columns 7 pre-
Stress fiber cloth parcel boundary surface uniformly brushes one layer of epoxy adhesive layer.
（3）Determine cutting length and the cutting of fiber cloth 6.The girth of post adds at cutting length=parcel location of fiber cloth 6
1 times of the girth of anchor pole.
（4）One end termination of fiber cloth 6 is clipped between anchor pole 1 and intermediate plate 2, and screw 21 is tightened in intermediate plate mounting hole 131
Fixing anchor bar 1 and intermediate plate 2.Fiber cloth 6 is enclosed along anchor pole 1 and the ring of intermediate plate 2 winding 1, and ensures fiber cloth 6 in winding process
Wrapped between anchor pole 1 and intermediate plate 2.Above-mentioned anchor pole 1 is repeated to the other end of fiber cloth 6 and intermediate plate 2 is clamped and ring winding is walked
Suddenly, fiber cloth 6 and the connection of anchorage are completed.
（5）Four unilateral bearings 4 are respectively put into the reserved macropore 32 of two anchor heads 3 while noting unilateral bearing 4
Direction, and the unilateral bearing U-lag 42 on unilateral bearing 4 is alignd with the anchor head U-lag 321 on anchor head and voussoir 5 is put into.
（6）The fiber cloth 6 two ends being wrapped between anchor pole 1 and intermediate plate 2 is wrapped in reinforcing needed for reinforced concrete square columns 7
Position on, the termination point of anchor rod 11 at the two ends of anchor pole 1 is penetrated to the aperture 31 of anchor head 3 respectively, by the anchor pole U-shaped on termination point of anchor rod 11
Groove 111 with the unilateral bearing breach 41 on unilateral bearing 4 with aliging and being put into voussoir 5.
（7）Augmenting wrench is placed at the hex nut 12 of anchor pole 1, augmenting wrench drive is pulled and winds fiber cloth 6
Two anchor poles 1 and intermediate plate 2 rotate, and the tension in fiber cloth 6 is gradually increased, until being loaded into required proof stress, i.e.,
Complete the reinforcing to reinforced concrete square columns 7.
Embodiment 2：
As shown in Fig. 3 ~ 6, the present embodiment, to reinforce object, utilizes pre-stressed fiber cloth rotary self-locking with Reinforced Concrete Circular Cylinder 8
Formula stretching and anchoring device is reinforced to it, and the width of fiber cloth 6 is 150mm.It is specific as follows：
A kind of pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device, including two anchor poles 1, two intermediate plates 2, two anchor heads 3
And for keeping prestressed four unilateral bearings 4, eight voussoirs 5 and fiber cloth 6.
Anchor pole 1 is made up of the termination point of anchor rod 11, hex nut 12 and anchor body 13 at two ends, and the termination point of anchor rod 11 at two ends is respectively provided with
Open intermediate plate mounting hole 131 in anchor pole U-lag 111, two of anchor body 13；The two of intermediate plate 2 also corresponds to and opens intermediate plate mounting hole 131, screw 21
Intermediate plate 2 and anchor pole 1 are fixedly connected with through corresponding intermediate plate mounting hole 131.
Two mounting holes are opened at the middle part of anchor head 3, and mounting hole is made up of aperture 31 and macropore 32.The aperture of aperture 31 and macropore 32
And hole depth is consistent with the termination point of anchor rod 11 and the diameter and depth of unilateral bearing 4 that anchor head 3 is connected.An anchor is driven at macropore 32
Head U-lag mouthful 321.
The anchor head 3 chooses the arc plate being close to the surface of Reinforced Concrete Circular Cylinder 8.
Specific reinforcing step is as follows：
（1）The surface of Reinforced Concrete Circular Cylinder 8 is polished, the processing such as filling-up hole.Prestressing force need to be carried out in Reinforced Concrete Circular Cylinder 8
Fiber cloth parcel boundary surface uniformly brushes one layer of epoxy adhesive layer.
（2）Determine cutting length and the cutting of fiber cloth 6.The girth of post adds at cutting length=parcel location of fiber cloth 6
2 times of the girth of anchor pole.
（3）One end termination of fiber cloth 6 is clipped between anchor pole 1 and intermediate plate 2, and screw 21 is tightened in intermediate plate mounting hole 131
Fixing anchor bar 1 and intermediate plate 2.Fiber cloth 6 is enclosed along anchor pole 1 and the ring of intermediate plate 2 winding 2, and ensures fiber cloth 6 in winding process
Wrapped between anchor pole 1 and intermediate plate 2.Above-mentioned anchor pole 1 is repeated to the other end of fiber cloth 6 and intermediate plate 2 is clamped and ring winding is walked
Suddenly, fiber cloth 6 and the connection of anchorage are completed.
（4）Four unilateral bearings 4 are respectively put into the reserved macropore 32 of two anchor heads 3 while noting unilateral bearing 4
Direction, and the unilateral bearing U-lag 42 on unilateral bearing 4 is alignd with the anchor head U-lag 321 on anchor head and voussoir 5 is put into.
（5）The fiber cloth 6 two ends being wrapped between anchor pole 1 and intermediate plate 2 is wrapped in reinforcing needed for Reinforced Concrete Circular Cylinder 8
Position on, the termination point of anchor rod 11 at the two ends of anchor pole 1 is penetrated to the aperture 31 of anchor head 3 respectively, by the anchor pole U-shaped on termination point of anchor rod 11
Groove 111 with the unilateral bearing breach 41 on unilateral bearing 4 with aliging and being put into voussoir 5.
（6）Augmenting wrench is placed at the hex nut 12 of anchor pole 1, augmenting wrench drive is pulled and winds fiber cloth 6
Two anchor poles 1 and intermediate plate 2 rotate, and the tension in fiber cloth 6 is gradually increased, until being loaded into required proof stress, i.e.,
Complete the reinforcing to Reinforced Concrete Circular Cylinder 8.
Specific embodiment described herein is only to spirit explanation for example of the invention.The technical field of the invention
Technical staff some modifications or supplement can be made to described specific embodiment or is substituted using similar mode, but can't
Deviate the spirit of the present invention or surmount scope defined in appended claims.
Claims (1)
1. a kind of pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device, it is characterised in that the device include two anchor poles (1),
Two intermediate plates (2), two anchor heads (3) and for keeping prestressed four unilateral bearings (4), eight voussoirs (5) and fiber
Cloth (6)；Anchor pole (1) is made up of the termination point of anchor rod (11), hex nut (12) and anchor body (13) at two ends, the termination point of anchor rod at two ends
(11) anchor pole U-lag (111) is respectively provided with, intermediate plate mounting hole (131) is opened at anchor body (13) two；Intermediate plate (2) two also corresponds to and drives folder
Piece mounting hole (131), screw (21) is fixedly connected with intermediate plate (2) and anchor pole (1) through corresponding intermediate plate mounting hole (131)；Anchor head
(3) two mounting holes are provided with, mounting hole is made up of aperture (31) and macropore (32), the aperture and hole of aperture (31) and macropore (32)
It is deep consistent with the termination point of anchor rod (11) and the diameter and depth of unilateral bearing (4) that anchor head (3) is connected, open one at macropore (32) place
Individual anchor head U-lag (321)；
The end of fiber cloth (6) is clamped between anchor pole (1) and intermediate plate (2) and enclosed in winding 1 ~ 2 thereon；Four unilateral bearings
(4) direction for noting unilateral bearing (4) in the macropore (32) of two anchor heads (3) simultaneously is respectively put into, and by unilateral bearing (4)
Unilateral bearing U-lag (42) alignd with the anchor head U-lag (321) on anchor head (3) and be put into voussoir (5)；Two ends are wrapped in
Fiber cloth (6) between anchor pole (1) and intermediate plate (2) is wrapped on the position reinforced needed for Reinforced Concrete Pier Column to be reinforced, point
The termination point of anchor rod (11) at anchor pole (1) two ends is not penetrated to the aperture (31) of anchor head (3), by the anchor pole U-shaped on termination point of anchor rod (11)
Groove (111) aligns with the unilateral bearing breach (41) on unilateral bearing (4) and is put into voussoir (5)；Augmenting wrench is placed on anchor pole
(1) hex nut (12) place, pulls augmenting wrench and drives two anchor poles (1) for winding fiber cloth (6) and intermediate plate (2) rotation
Turn, the tension in fiber cloth (6) is gradually increased, until being loaded into required proof stress；
The anchor head (3) is that square column or cylinder choose the L being close to square column surface respectively according to Reinforced Concrete Pier Column to be reinforced
Shape flat board or the arc plate being close to periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465990.XA CN107059664B (en) | 2017-06-19 | 2017-06-19 | Rotary self-locking tensioning anchoring device for prestressed fiber cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465990.XA CN107059664B (en) | 2017-06-19 | 2017-06-19 | Rotary self-locking tensioning anchoring device for prestressed fiber cloth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059664A true CN107059664A (en) | 2017-08-18 |
| CN107059664B CN107059664B (en) | 2023-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465990.XA Active CN107059664B (en) | 2017-06-19 | 2017-06-19 | Rotary self-locking tensioning anchoring device for prestressed fiber cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107059664B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794849A (en) * | 2017-11-05 | 2018-03-13 | 桂林理工大学 | Using the construction method of the prestressed fiber cloth reinforced post of detachable tension ground tackle |
| CN109098095A (en) * | 2018-10-19 | 2018-12-28 | 佛山科学技术学院 | A kind of beam processed anti-reinforcement stresses loss ancillary equipment |
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| CN104775629A (en) * | 2015-04-14 | 2015-07-15 | 沈阳工业大学 | Prestress tension method and equipment for self-control fiber cloth |
| CN105064694A (en) * | 2015-08-06 | 2015-11-18 | 湖南大学 | Tensioning device for applying pretensioning force to fiber cloth materials and tensioning method of tensioning device |
| CN204876589U (en) * | 2015-08-06 | 2015-12-16 | 湖南大学 | Pre -tension's tensioning equipment is applyed fibre cloth material |
| CN105888277A (en) * | 2016-04-13 | 2016-08-24 | 桂林理工大学 | Pre-stressing carbon fiber cloth reinforcement reinforced concrete column construction method |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794849A (en) * | 2017-11-05 | 2018-03-13 | 桂林理工大学 | Using the construction method of the prestressed fiber cloth reinforced post of detachable tension ground tackle |
| CN107794849B (en) * | 2017-11-05 | 2024-02-06 | 桂林理工大学 | Construction method for reinforcing column by adopting prestressed fiber cloth of detachable tensioning anchorage |
| CN109098095A (en) * | 2018-10-19 | 2018-12-28 | 佛山科学技术学院 | A kind of beam processed anti-reinforcement stresses loss ancillary equipment |
| CN109098095B (en) * | 2018-10-19 | 2023-12-19 | 佛山科学技术学院 | Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059664B (en) | 2023-08-11 |
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Application publication date: 20170818 Assignee: Guangxi hanximing Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2023980046009 Denomination of invention: Rotating self-locking tensioning and anchoring device for prestressed fiber cloth Granted publication date: 20230811 License type: Common License Record date: 20231108 |
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