CN106917517A - A kind of construction method of the fiber cloth reinforced post component of prestressed high-strength - Google Patents
A kind of construction method of the fiber cloth reinforced post component of prestressed high-strength Download PDFInfo
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- CN106917517A CN106917517A CN201710164216.5A CN201710164216A CN106917517A CN 106917517 A CN106917517 A CN 106917517A CN 201710164216 A CN201710164216 A CN 201710164216A CN 106917517 A CN106917517 A CN 106917517A
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- fiber cloth
- construction method
- tensioning
- cloth
- frame
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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
Abstract
The present invention relates to a kind of construction method of the fiber cloth reinforced post component of prestressed high-strength, construction method is：（1）Primer is smeared at the reinforcing position for treating reinforced column component；（2）The one ends wound of the fiber cloth that will be cut is 23 layers on a rod iron, other end glue is glued forms a cloth circle；（3）Position and open up straight trough on the side long for reinforcing position；（4）Rod iron is placed in straight trough, winding fiber cloth is at the reinforcing position for treating reinforced column component；（5）Using tensioning equipment tensioning fiber cloth, the wherein frame of tensioning equipment is clamped on the upper and lower side of rod iron, the cloth circle end of tensioning fiber cloth by the bayonet socket that frame end is set；（6）Glue is filled in fiber cloth；（7）After after glue curing, tensioning equipment is unloaded；(8) opened straight trough is tamped in repairing.The construction method of the fiber cloth reinforced post component of the prestressed high-strength can be realized being wound on fibre cloth winding to be treated on reinforced column component and tensioning, makes fibre cloth winding around firm, and consolidation effect is good, easy to operate, efficiency high.
Description
Technical field
The present invention relates to a kind of construction method of the fiber cloth reinforced post component of prestressed high-strength.
Background technology
The composite material reinforced method of high-intensity fiber is a kind of new structure reinforcement technique for rising in recent years, typically using polymerization
Fiber cloth is sticked in component surface by resin, its internal structure and outer wrapping fiber material cooperation is carried external loads, is reached
To the purpose of reinforcement and strengthening, the method has good effect for improving the bearing capacity of strenthening member, ductility, anti-seismic performance.
But because ruggedized construction has secondary loading, before structure crack, fibrous material reinforces effect far from its high-strength advantage is played
It is really poor.
The content of the invention
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of prestressed high-strength fiber cloth
The construction method of reinforced column component.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of fiber cloth reinforced post structure of prestressed high-strength
The construction method of part, construction method is：（1）Primer is smeared at the reinforcing position for treating reinforced column component；（2）The fiber that will be cut
The one ends wound of cloth layer 2-3, other end on a rod iron form a cloth circle with glue is glued；（3）Reinforcing the side long at position
Position and open up straight trough；（4）Rod iron is placed in straight trough, winding fiber cloth is at the reinforcing position for treating reinforced column component；（5）Using
Tensioning equipment tensioning fiber cloth, the wherein frame of tensioning equipment are clamped on the upper and lower of rod iron by the bayonet socket that frame end is set
End, the cloth circle end of tensioning fiber cloth；（6）Glue is filled in fiber cloth；（7）After after glue curing, tensioning equipment is unloaded；(8)
Opened straight trough is tamped in repairing.
Preferably, in step（1）The reinforcing position of reinforced column component is treated, it is necessary to polish before, and with repair materials by table
Repair smooth in face；If treating there is structural corner in reinforced column component, structural corner need to be polished the rounded corners of 20-30mm, so
Size, the prestressing force desired value of tensioning of fiber cloth and rod iron are determined afterwards.
Preferably, the tensioning equipment includes frame, and the rod iron being connected with fiber cloth one end is connected to the end of frame, institute
The front end for stating frame is provided with movable pedestal, is provided with the movable pedestal for the connected bar in the cloth circle end with fiber cloth
Body, the movable pedestal carries out the reach tensioning campaign of relative frame through horizontal screw bolt regulation.
Preferably, in step（5）In, the body of rod of the movable pedestal on tensioning equipment passes through the cloth circle of fiber cloth, tensioning dress
The frame put is clamped on the upper and lower side of rod iron by the bayonet socket that frame end is set.
Preferably, the frame includes the angle steel for extending vertically, and the upper and lower side of the angle steel is symmetrically welded with Longitudinal extending
Limiting plate, be welded with the limiting plate towards rod iron side extend holding force plate, the end of the holding force plate is installed with card
Mouthful.
Preferably, the angle between the holding force plate and limiting plate is 80 ° -90 °, and the bayonet socket direction treats reinforced column component
The straight trough of side, the reinforcing plate between the outside of two holding force plates through extending vertically is connected as a single entity.
Preferably, the sliding seat body is located at the inner side of frame, the U for being shaped as being open towards rod iron of the movable pedestal
Shape structure, the body of rod is vertical screw rod of the bolt in the U-shaped opening of movable pedestal, and the bottom of the vertical screw rod is bolted with
Locking nut.
Preferably, the horizontal screw bolt is attached after sequentially passing through movable pedestal, angle steel through adjusting nut, the regulation
Nut is located at angle steel side, and the head of the horizontal screw bolt is located at sliding seat side；Set between the horizontal screw bolt and movable pedestal
It is equipped with pressure sensor.
Preferably, the intermediate plate on the inside of frame is provided between the body of rod and rod iron, the quantity of the intermediate plate is two
Root simultaneously extends vertically, is mutually clamped through clip bolt, clip nut between two intermediate plates, fiber cloth is formed between two intermediate plates and is worn
If passage.
Preferably, the rod iron includes the barred body of cylinder, and the upper and lower side of the barred body is symmetrically installed with the kelly of rectangle,
The shape of the bayonet socket is adapted with kelly.
Compared with prior art, the invention has the advantages that：The fiber cloth reinforced post component of the prestressed high-strength
Construction method can be realized being wound on fibre cloth winding to be treated on reinforced column component and tensioning, makes fibre cloth winding around firm, consolidation effect
It is good, simple and convenient, efficiency high.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the organigram one of tensioning equipment of the present invention.
Fig. 2 is the organigram that tensioning equipment of the present invention removes rod iron.
Fig. 3 is the organigram two of tensioning equipment of the present invention.
Fig. 4 is the organigram three of tensioning equipment of the present invention.
Fig. 5 is the organigram of rod iron in the present invention.
Specific embodiment
It is that features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows.
As Figure 1-5, the construction method of the fiber cloth reinforced post component of a kind of prestressed high-strength, it is characterised in that：Construction
Method is：（1）Primer is smeared at the reinforcing position for treating reinforced column component 22；（2）The one ends wound of the fiber cloth 2 that will be cut exists
Layer 2-3, the other end form a cloth circle with glue is glued on one rod iron 3；（3）Position and open up straight trough on the side long for reinforcing position
4；（4）Rod iron is placed in straight trough, winding fiber cloth is at the reinforcing position for treating reinforced column component；（5）Using tensioning equipment tensioning
The frame of fiber cloth, wherein tensioning equipment is clamped on the upper and lower side of rod iron, tensioning fiber cloth by the bayonet socket that frame end is set
Cloth circle end, applying pretension makes fiber cloth be wrapped in just as " waistband " tightened to treat on reinforced column component；（6）In fiber
Glue is filled on cloth；（7）After tensioning equipment after glue curing, is unloaded, tensioning equipment is repeatable to be utilized, single to treat reinforced column component
The applying of pretension form self equilibrium systemses, to the not additional external load of original structure post, it is adaptable to single or multiple lift fiber cloth
Tensioning and anchoring；(8) opened straight trough is tamped in repairing.
In embodiments of the present invention, in step（1）The reinforcing position of reinforced column component is treated, it is necessary to polish before, and with repairing
Multiple material is smooth by surface reconditioning；If treating there is structural corner in reinforced column component, and structural corner need to be polished the circle of 20-30mm
Shape chamfering, it is then determined that the size of fiber cloth and rod iron, the prestressing force desired value of tensioning.
In embodiments of the present invention, repair materials can be cement etc..
In embodiments of the present invention, the tensioning equipment includes frame 1, and the rod iron 3 being connected with the one end of fiber cloth 2 is connected to
The end of frame, the front end of the frame is provided with movable pedestal 5, is provided with for the cloth with fiber cloth on the movable pedestal
The connected body of rod in circle end, the movable pedestal is adjusted through horizontal screw bolt 6 carries out the reach tensioning campaign of relative frame.
In embodiments of the present invention, in step（5）In, the body of rod of the movable pedestal on tensioning equipment passes through the cloth of fiber cloth
Circle, the frame of tensioning equipment is clamped on the upper and lower side of rod iron by the bayonet socket that frame end is set, made in stretching process, rod iron
End is clamped in frame will not be influenceed to produce slip by pulling force, and tensioning efficiency high, effect are good, Path of Force Transfer is clear and definite.
In embodiments of the present invention, the frame includes the angle steel 7 for extending vertically, and the upper and lower side of the angle steel is symmetrically welded
There is the limiting plate 8 of Longitudinal extending, the holding force plate 9 extended towards rod iron side, the end of the holding force plate are welded with the limiting plate
End is installed with bayonet socket 10.
In embodiments of the present invention, the angle between the holding force plate and limiting plate is 80 ° -90 °, and the bayonet socket direction is treated
The straight trough of reinforced column component side, the outside of two holding force plates is connected as a single entity through the reinforcing plate 11 of extension vertically.
In embodiments of the present invention, the sliding seat body be located at frame inner side, the movable pedestal be shaped as opening
Towards the U-shaped structure of rod iron, the body of rod is vertical screw rod 12 of the bolt in the U-shaped opening of movable pedestal, the vertical spiral shell
The bottom of bar is bolted with locking nut 13；When using, the other end of fiber cloth forms a cloth circle 14 with glue is glued, can be by
After vertical screw rod passes through cloth circle, it is locked on movable pedestal by locking nut, is easy to tensioning.
In embodiments of the present invention, the horizontal screw bolt is carried out after sequentially passing through movable pedestal, angle steel through adjusting nut 15
Connection, the adjusting nut is located at angle steel side, and the head of the horizontal screw bolt is located at sliding seat side；The horizontal screw bolt and work
Pressure sensor 16 is provided between dynamic pedestal, the stretch-draw prestressing force in fiber cloth can be shown and control by pressure sensor.
In embodiments of the present invention, the intermediate plate 17 on the inside of frame, the folder are provided between the body of rod and rod iron
The quantity of piece is two and extends vertically, mutually clamped through clip bolt 18, clip nut 19 between two intermediate plates, two intermediate plates
Between formed fiber cloth wear passage；When using, the other end of fiber cloth（Stretching end）Two intermediate plates, intermediate plate can be passed through to clamp fine
The cloth circle gluing position of the stretching end of cloth is tieed up, prevents that cloth circle gluing position stress is excessive to be strutted.
In embodiments of the present invention, the rod iron includes the barred body 20 of cylinder, and the upper and lower side of the barred body is symmetrically fixed
Shape and the kelly for having the kelly 21 of rectangle, the bayonet socket are adapted, and the barred body of cylinder is used to wind fiber cloth.
In embodiments of the present invention, ring winds and pastes high strength fibre cloth and can improve to be added on reinforced column component is treated
Gu post component（Such as reinforced column or masonry structure post）Ultimate bearing capacity and ductility；One wherein is applied to fiber cloth
Determine pretension, the stock utilization of fiber cloth and the cracking load of component can be improved, reduce structure member crevices width, and can be further
Component ultimate axial compressive strength is improved, can be used for the reinforcing of structure under water or in wet environment, mainly undertake the circle of axial compressive force
The reinforcing of the structure or component of shape, rectangle, square-section building structure post and bridge pier etc., delays and reduces appearance and the hair in crack
Exhibition, improves its bearing capacity and ductile performance, and can improve the utilization ratio of high-intensity fiber cloth material.
Specific implementation process：
Embodiment one：Treat that reinforced column component is brick masonry column：756mm high, column section 240mm × 370mm；Build by laying bricks or stones and use ordinary sinter
Brick strength grade is MU20, and masonry mortar strength grade is M10；Reinforcement form is reinforced using pre-stressed fiber cloth strip-type, cloth
Bar clear distance 80mm, the width of high-strength carbon fibre cloth is 100mm, and tensile strength standard value is 3470MPa；Rod iron section is φ
10mm, length are 180mm.
Comprise the following steps that：
The first step：The position to be reinforced of polishing brick masonry column 22, and it is with repair materials that surface reconditioning is smooth, by the polishing of post corner
Go out 20mm chamferings.
Second step：Fiber cloth is cut the cloth 2 of growth 1600mm, the one end of fiber cloth 2 is bypassed into rod iron 3 winds 2-3 circles,
And the supporting glue of fiber cloth is coated, the other end of fiber cloth 2 turnover 120mm blend compounds glues close to form a cloth circle 14；In brick
Straight trough position is positioned on masonry post 22.
3rd step：After ensuring that the two ends of fiber cloth 2 are pasted well, the fiber cloth for completing is enclosed to be enclosed within and treats reinforced column component
Precalculated position, wherein rod iron 3 is placed in straight trough, the body of rod 12 on movable pedestal 5 passes through cloth circle 14；
4th step：By the upper and lower side 21 of the end bayonet socket clamping rod iron of holding force plate 9 of tensioning equipment.
5th step；With the stretching end cloth circle gluing position of the clamped fibers cloth of intermediate plate 17.
6th step：Horizontal screw bolt 6 is connected after sequentially passing through movable pedestal 5, angle steel 7 through adjusting nut 15.
7th step：The adjusting nut 15 on horizontal screw bolt is screwed, by the display of pressure sensor 16 and control fiber cloth
Stress reaches predetermined design stress, and in the present embodiment, it is 600MPa to control stretching end tension stress.
8th step：After the completion of tensioning, supporting glue is filled in fiber cloth 2.
9th step：After after glue thoroughly solidification, tensioning equipment is unloaded.
Tenth step：Repaired with cement and open straight trough, the supporting glue of filling carbon fiber cloth in straight trough.
Result of the test shows that proof stress is that the ultimate strength of 600MPa testing columns is 10.59MPa in fiber cloth, is compared
15% is improve in the ultimate strength 9.25MPa of common mode reinforced column, the ultimate strength 7.31MPa compared to unguyed post is carried
It is high by 46%, show that the construction method of the fiber cloth reinforced post component of prestressed high-strength of the invention is effective.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are each under enlightenment of the invention
The construction method of the fiber cloth reinforced post component of prestressed high-strength of the form of kind.All equalizations done according to scope of the present invention patent
Change and modification, should all belong to covering scope of the invention.
Claims (10)
1. the construction method of the fiber cloth reinforced post component of a kind of prestressed high-strength, it is characterised in that：Construction method is：（1）Treating
Smear primer in the reinforcing position of reinforced column component；（2）The one ends wound of the fiber cloth that will be cut layer 2-3, another on a rod iron
One end forms a cloth circle with glue is glued；（3）Position and open up straight trough on the side long for reinforcing position；（4）Rod iron is placed in directly
In groove, winding fiber cloth is at the reinforcing position for treating reinforced column component；（5）Using tensioning equipment tensioning fiber cloth, wherein tensioning dress
The frame put is clamped on the upper and lower side of rod iron, the cloth circle end of tensioning fiber cloth by the bayonet socket that frame end is set；（6）In fiber
Glue is filled on cloth；（7）After after glue curing, tensioning equipment is unloaded；(8) opened straight trough is tamped in repairing.
2. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 1, it is characterised in that：In step
Suddenly（1）The reinforcing position of reinforced column component is treated, it is necessary to polish before, and it is with repair materials that surface reconditioning is smooth；If waiting to reinforce
There is structural corner in post component, structural corner need to be polished the rounded corners of 20-30mm, it is then determined that fiber cloth and rod iron
Size, the prestressing force desired value of tensioning.
3. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 1, it is characterised in that：It is described
Tensioning equipment includes frame, and the rod iron being connected with fiber cloth one end is connected to the end of frame, and the front end of the frame is provided with
Movable pedestal, is provided with for the connected body of rod in the cloth circle end with fiber cloth on the movable pedestal, and the movable pedestal is through water
Flat screw rod regulation carries out the reach tensioning campaign of relative frame.
4. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 3, it is characterised in that：In step
Suddenly（5）In, the body of rod of the movable pedestal on tensioning equipment passes through the frame of the cloth circle of fiber cloth, tensioning equipment to pass through frame end
The bayonet socket of setting is clamped on the upper and lower side of rod iron.
5. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 3, it is characterised in that：It is described
Frame includes the angle steel for extending vertically, and the upper and lower side of the angle steel is symmetrically welded with the limiting plate of Longitudinal extending, the limiting plate
On be welded with towards rod iron side extend holding force plate, the end of the holding force plate is installed with bayonet socket.
6. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 5, it is characterised in that：It is described
Angle between holding force plate and limiting plate is 80 ° -90 °, and the bayonet socket direction treats the straight trough of reinforced column component side, two holding force plates
Outside between through vertically extend reinforcing plate be connected as a single entity.
7. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 3, it is characterised in that：It is described
Sliding seat body is located at the inner side of frame, and the U-shaped structure for being shaped as being open towards rod iron of the movable pedestal, the body of rod is bolt
The vertical screw rod in the U-shaped opening of movable pedestal is connected on, the bottom of the vertical screw rod is bolted with locking nut.
8. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 5, it is characterised in that：It is described
Horizontal screw bolt is attached after sequentially passing through movable pedestal, angle steel through adjusting nut, and the adjusting nut is located at angle steel side, described
The head of horizontal screw bolt is located at sliding seat side；Pressure sensor is provided between the horizontal screw bolt and movable pedestal.
9. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 3, it is characterised in that：It is described
The intermediate plate on the inside of frame is provided between the body of rod and rod iron, the quantity of the intermediate plate is two and extends vertically, two intermediate plates
Between mutually clamped through clip bolt, clip nut, between two intermediate plates formed fiber cloth wear passage.
10. the construction method of the fiber cloth reinforced post component of prestressed high-strength according to claim 5, it is characterised in that：Institute
Stating rod iron includes the barred body of cylinder, and the upper and lower side of the barred body is symmetrically installed with the kelly of rectangle, the shape of the bayonet socket with
Kelly is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164216.5A CN106917517B (en) | 2017-03-20 | 2017-03-20 | Construction method of prestress high-strength fiber cloth reinforced column member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164216.5A CN106917517B (en) | 2017-03-20 | 2017-03-20 | Construction method of prestress high-strength fiber cloth reinforced column member |
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| Publication Number | Publication Date |
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| CN106917517A true CN106917517A (en) | 2017-07-04 |
| CN106917517B CN106917517B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710164216.5A Active CN106917517B (en) | 2017-03-20 | 2017-03-20 | Construction method of prestress high-strength fiber cloth reinforced column member |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108505761A (en) * | 2018-03-28 | 2018-09-07 | 中建八局第三建设有限公司 | A kind of method for blocking for the reserved grouting seam in prefabricated assembled column bottom |
| CN109537475A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | The method and ruggedized construction of bent cap reinforcing are carried out using carbon fiber |
| CN109826112A (en) * | 2019-02-27 | 2019-05-31 | 徐慧云 | Multi-storey up-down and translation prestressed anchor |
| CN111550078A (en) * | 2020-06-10 | 2020-08-18 | 福州大学 | Pre-tensioned fiber cloth reinforcing device and construction method |
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| US20120311957A1 (en) * | 2009-12-03 | 2012-12-13 | Zhishen Wu | Anchoring method for external bonding and reinforcing technique with prestressed fiber cloth |
| CN204311761U (en) * | 2014-12-15 | 2015-05-06 | 重庆交通大学 | A kind of prestressed carbon cloth reinforced concrete column tensioning equipment |
| 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 |
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| US20120311957A1 (en) * | 2009-12-03 | 2012-12-13 | Zhishen Wu | Anchoring method for external bonding and reinforcing technique with prestressed fiber cloth |
| CN102121316A (en) * | 2011-01-12 | 2011-07-13 | 北京交通大学 | Construction method for reinforcing circular structures by pre-tensioned high-strength fiber cloth |
| CN102644384A (en) * | 2012-03-12 | 2012-08-22 | 河海大学 | Anchoring device for reinforcing reinforced concrete beam by using FRP (Fiber Reinforce Plastic) strip and using method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505761A (en) * | 2018-03-28 | 2018-09-07 | 中建八局第三建设有限公司 | A kind of method for blocking for the reserved grouting seam in prefabricated assembled column bottom |
| CN108505761B (en) * | 2018-03-28 | 2020-12-11 | 中建八局第三建设有限公司 | Plugging method for prefabricated column bottom reserved grouting joint |
| CN109537475A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | The method and ruggedized construction of bent cap reinforcing are carried out using carbon fiber |
| CN109826112A (en) * | 2019-02-27 | 2019-05-31 | 徐慧云 | Multi-storey up-down and translation prestressed anchor |
| CN109826112B (en) * | 2019-02-27 | 2023-12-26 | 南京曼卡特科技有限公司 | Multilayer carbon fiber cloth prestressing force ground tackle |
| CN111550078A (en) * | 2020-06-10 | 2020-08-18 | 福州大学 | Pre-tensioned fiber cloth reinforcing device and construction method |
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| CN106917517B (en) | 2023-05-05 |
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