CN203007855U - Stretch-draw anchoring system of pre-stress fiber composite plate - Google Patents
Stretch-draw anchoring system of pre-stress fiber composite plate Download PDFInfo
- Publication number
- CN203007855U CN203007855U CN 201320011690 CN201320011690U CN203007855U CN 203007855 U CN203007855 U CN 203007855U CN 201320011690 CN201320011690 CN 201320011690 CN 201320011690 U CN201320011690 U CN 201320011690U CN 203007855 U CN203007855 U CN 203007855U
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- fiber composite
- stretch
- composite board
- tensioned
- draw
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Abstract
The utility model relates to a stretch-draw anchoring system of a pre-stress fiber composite plate. The stretch-draw anchoring system comprises anchor bolts (1), an anchoring plate (2), a clamping device (3) and a stretch-draw unit (4), wherein one end of a fiber composite plate (5) and an anchoring plate are fixed on a structural beam through the anchor bolts; the other end of the fiber composite plate is clamped on the clamping device; the clamping device and the stretch-draw unit are linked and arranged to stretch and draw the fiber composite plate through the stretch-draw unit; the stretch-draw unit is fixed on the structural beam through an anchoring block; and an adhesive agent is rubbed between surfaces of the fiber composite plate and the structural beam. Through the adoption of the stretch-draw anchoring system, the loading capability of the structural beam is improved, the crack is reduced, and the flexibility of the structure is enhanced. The stretch-draw anchoring system can be applied to the technical field of building reinforcement.
Description
Technical field
The utility model relates to a kind of tensioned anchorage system of pre-stress fibre composite board, can be used for the technical field of building reinforce.
Background technology
Girder in bridge construction is thereby generation cracking former because of external load increase, architecture quality defective, corrosion and damage etc. usually, thereby its supporting capacity is exerted an influence.Reinforcing about bridge, can adopt the method for pasting fiber composite board on girder, be about to the high fiber composite board of tensile strength and paste the reinforced concrete beam force part that is reinforced, guarantee that concrete and fiber composite board are jointly stressed as a new integral body, and can bring into play fully tensile strength, dead-end fracture, the confined concrete distortion of fiber composite board, thereby effectively improve bearing capacity, rigidity and the crack resistance of member.But the defective of said method is, due to the characteristic of fiber composite board self, after the tensile reinforcement surrender in beam, brittle fracture can appear in fiber composite board, causes the failure mode of all reinforcement bodies to be and shows as brittle fracture.
Therefore, need a kind of technology of more effectively structural beams being reinforced in prior art, with the cracking resistance that strengthens structural beams and reduce its amount of deflection.
The utility model content
The utility model aims to provide a kind of tensioned anchorage system of pre-stress fibre composite board, and it can stick on fiber composite board the surface of structural beams more effectively, to improve the cracking resistance destructive characteristics of structural beams.
Tensioned anchorage system according to pre-stress fibre composite board of the present utility model, comprise crab-bolt, anchor plate, grip device and tensioned unit, crab-bolt is fixed on an end and the anchor plate of fiber composite board on structural beams, the other end of fiber composite board is clamped on grip device, grip device is related with tensioned unit and be set to by tensioned unit, fiber composite board be carried out stretch-draw, tensioned unit is fixed on structural beams by anchor block, is coated with bonding adhesive between fiber composite board and structural beams surface.
Preferably, can be furnished with respectively chemical bolt hole and hole for the expansion bolt on anchor plate, also can be coated with bonding adhesive between fiber composite board and anchor plate.
Preferably, tensioned unit can also comprise tensioning screw rod, push plate, jack and caging bolt, and jack applies tension force by push plate to tensioning screw rod, and tensioning screw rod passes grip device so that fiber composite board is carried out stretch-draw.
Adopt the tensioned anchorage system of pre-stress fibre composite board of the present utility model to carry out stretch-draw to fiber composite board, make it produce external prestressing, can give full play to the intensity of fiber composite board, reduce its consumption, and can effectively improve the bearing capacity of structure, reduce crack width and deflection deformation.
Description of drawings
Fig. 1 is the layout schematic diagram of the tensioned anchorage system of pre-stress fibre composite board of the present utility model.
Fig. 2 is the schematic diagram of a kind of arrangement of anchor plate.
Fig. 3 is the schematic diagram of a kind of arrangement of tensioned unit.
Fig. 4 is the left view of tensioned unit in Fig. 3.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, hereinafter in connection with accompanying drawing, embodiment of the present utility model is elaborated.Need to prove, in the situation that do not conflict, the embodiment in the application and the feature in embodiment be any combination mutually.
Referring to Fig. 1, the tensioned anchorage system that has wherein shown pre-stress fibre composite board of the present utility model, comprise crab-bolt 1, anchor plate 2, grip device 3 and tensioned unit 4, crab-bolt 1 is fixed on an end and the anchor plate 2 of fiber composite board 5 on structural beams, is coated with bonding adhesive between fiber composite board 5 and structural beams surface.Preferably, also can be coated with bonding adhesive between fiber composite board 5 and anchor plate 2.The other end of fiber composite board 5 is clamped on grip device 3, and grip device 3 is associated with tensioned unit 4 and is set to and carries out stretch-draw by 4 pairs of fiber composite boards of tensioned unit 5.Tensioned unit 4 is fixed on structural beams by anchor block.
Referring to Fig. 2, wherein shown the schematic diagram of a kind of arrangement of anchor plate 2.Preferably, be furnished with chemical bolt hole 6 and hole for the expansion bolt 7 on anchor plate 2, wherein carry out anchoring with chemical bolt and expansion bolt respectively.As required, anchor plate 2 can also adopt other arrangement.
Referring to Fig. 3 and Fig. 4, wherein shown the schematic diagram of a kind of arrangement of tensioned unit 4.Preferably, tensioned unit 4 comprises tensioning screw rod 41, push plate 42, jack 43, caging bolt 44 and anchor block 45.Tensioned unit 4 is fixed on structural beams by anchor block 45, and jack 43 applies tension force by push plate 42 to tensioning screw rod 41.Grip device 3 is associated by tensioning screw rod 41 with tensioned unit 4, and namely the tensioning screw rod 41 of tensioned unit 4 passes grip device 3 so that fiber composite board 5 is carried out stretch-draw.Caging bolt 44 is used for after stretch-draw is completed fixedly prestressed stretch-draw unit, makes the tensioning screw rod 41 in tensioned unit remain on stable stretch-draw position.As required, tensioned unit 4 can also adopt other arrangement.
Use tensioned anchorage system of the present utility model as follows to the method that fiber composite board carries out stretch-draw: (1) uses the position of reinforcing bar in steel bar positioning instrument authorized construction beam, the position of sign anchor plate and anchor block damages the steel bar stress in structural beams preventing; (2) concrete base layer of structural beams carried out grinding process and removed surface dirt; (3) auger shell keyhole in structural beams utilizes anchor block that tensioned unit is installed on structural beams, the sectional fixture device; (4) smear bonding adhesive on the surface of fiber composite board, fiber composite board is installed and crab-bolt is set and anchor plate; (6) utilize hydraulic jack stretch-draw in tensioned unit, make and produce prestressing force in fiber composite board; (7) after stretch-draw is completed, with the fixing position of tensioning screw rod in tensioned unit of caging bolt; (8) fixing anchor plate, after adhesive solidification, removal tensioned unit and grip device.
By using tensioned anchorage system of the present utility model, can apply prestressing force to the fiber composite board that sticks on structural beams, thereby improve the load-carrying properties of structural beams, reduce the generation in crack, and strengthened the amount of deflection of structure.
Although the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model is not to limit the utility model.Technician under any the utility model in technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation what implement in form and on details; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (4)
1. the tensioned anchorage system of a pre-stress fibre composite board, described tensioned anchorage system comprises crab-bolt (1), anchor plate (2), grip device (3) and tensioned unit (4), it is characterized in that, crab-bolt (1) is fixed on an end and the anchor plate (2) of fiber composite board (5) on structural beams, the other end of fiber composite board (5) is clamped on grip device (3), grip device (3) is related with tensioned unit (4) and be set to by tensioned unit (4), fiber composite board (5) be carried out stretch-draw, tensioned unit (4) is fixed on structural beams by anchor block (45), be coated with bonding adhesive between fiber composite board (5) and structural beams surface.
2. tensioned anchorage system according to claim 1, is characterized in that, is furnished with chemical bolt hole (6) and hole for the expansion bolt (7) on described anchor plate (2).
3. tensioned anchorage system according to claim 1, it is characterized in that, described tensioned unit (4) also comprises tensioning screw rod (41), push plate (42), jack (43) and caging bolt (44), jack (43) applies tension force by push plate (42) to tensioning screw rod (41), and tensioning screw rod (41) passes grip device (3) so that fiber composite board (5) is carried out stretch-draw.
4. tensioned anchorage system according to claim 1, is characterized in that, also is coated with bonding adhesive between fiber composite board (5) and anchor plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011690 CN203007855U (en) | 2013-01-10 | 2013-01-10 | Stretch-draw anchoring system of pre-stress fiber composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011690 CN203007855U (en) | 2013-01-10 | 2013-01-10 | Stretch-draw anchoring system of pre-stress fiber composite plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007855U true CN203007855U (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011690 Expired - Fee Related CN203007855U (en) | 2013-01-10 | 2013-01-10 | Stretch-draw anchoring system of pre-stress fiber composite plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN203007855U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594206A (en) * | 2014-12-22 | 2015-05-06 | 中铁大桥局集团有限公司 | Suspended type dragging anchor socket and method for steel trussed beam longitudinal displacement |
| CN105887702A (en) * | 2016-04-20 | 2016-08-24 | 武汉理工大学 | Method for reinforcing concrete beam by prestressed carbon fiber plate and steel-concrete |
| CN106703433A (en) * | 2016-12-29 | 2017-05-24 | 华北水利水电大学 | Prestress fiber sheet combined and assembled tension device and construction method thereof |
| CN106760609A (en) * | 2016-12-29 | 2017-05-31 | 华北水利水电大学 | Combination assembling correction formula pre-stress fibre sheet material tensioning equipment and its construction method |
-
2013
- 2013-01-10 CN CN 201320011690 patent/CN203007855U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594206A (en) * | 2014-12-22 | 2015-05-06 | 中铁大桥局集团有限公司 | Suspended type dragging anchor socket and method for steel trussed beam longitudinal displacement |
| CN104594206B (en) * | 2014-12-22 | 2017-01-04 | 中铁大桥局集团有限公司 | Steel truss girder longitudinal moving hanging type dragging anchor seat and method |
| CN105887702A (en) * | 2016-04-20 | 2016-08-24 | 武汉理工大学 | Method for reinforcing concrete beam by prestressed carbon fiber plate and steel-concrete |
| CN106703433A (en) * | 2016-12-29 | 2017-05-24 | 华北水利水电大学 | Prestress fiber sheet combined and assembled tension device and construction method thereof |
| CN106760609A (en) * | 2016-12-29 | 2017-05-31 | 华北水利水电大学 | Combination assembling correction formula pre-stress fibre sheet material tensioning equipment and its construction method |
| CN106760609B (en) * | 2016-12-29 | 2022-08-02 | 华北水利水电大学 | Combined assembly deviation-rectifying type prestressed fiber sheet tensioning device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20140110 |