CN203065976U - Active prestressed carbon fiber plate reinforcing system - Google Patents
Active prestressed carbon fiber plate reinforcing system Download PDFInfo
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- CN203065976U CN203065976U CN 201320077390 CN201320077390U CN203065976U CN 203065976 U CN203065976 U CN 203065976U CN 201320077390 CN201320077390 CN 201320077390 CN 201320077390 U CN201320077390 U CN 201320077390U CN 203065976 U CN203065976 U CN 203065976U
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- carbon fiber
- stretch
- tensioning
- draw
- anchor
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Abstract
The utility model discloses an active prestressed carbon fiber plate reinforcing system comprising a fixed end, a tensioning end and a carbon fiber plate, wherein the tensioning end comprises a tensioning end steel base, tensioning rods, a tensioning end anchorage device and a steering device; the fixed end comprises a fixed end steel base, a fixed end anchorage device and a steering device; each anchorage device consists of an anchorage cup and an anchorage head; the anchorage cup is an integrated steel block with a tapered hole channel in the middle; the anchorage head consists of the carbon fiber plate, wedged steel clamping sheets and aluminum sheets; one wedged steel clamping sheet and one aluminum sheet are arranged on each side of the carbon fiber plate; the anchorage head is integrally nested in the anchorage cup; the tensioning end is provided with two tensioning rods; one end of each tensioning rod is connected with the tensioning end anchorage device and the other end of each tensioning rod is connected with the tensioning end steel base; and a detachable jack is arranged on the outer side of the tensioning end steel base connected with the tensioning rods. The active prestressed carbon fiber plate reinforcing system has the benefits of achieving an automatic centering function, simplifying the structure and saving working procedures and time.
Description
Technical field
The utility model relates to the bridge construction equipment technical field, particularly a kind of active pre-stressed carbon fiber plate hardened system.
Background technology
It is in order to recover and to improve bearing capacity that Technology Bridge Strengthening is transformed its basic goal, and method has following several types: 1, strengthen weak member.For major defect being arranged or because current heavy vehicle can not satisfy the weak member of safe bearing load requirement, adopting with new material, increase member sectional dimension, set up external prestress or paste reinforcement measure such as supporting material with Chemical Felter and reinforce.2, increase auxiliary part.3, change structural system.
Carbon fiber sheet is one of corrosion-resistant in the present constructional materials (weather) performance best material.Available research achievements shows: environmental activities such as weak acid, weak base, freeze thawing circulation, long-time sunshine are minimum to mechanical property and the ageing-resistant performance influence of carbon fiber.The non-prestressed Carbon Fiber Sheet-Reinforced technology of using always is to paste carbon fiber sheet at the structure tensile zone with chemical adhesive at present, makes itself and concrete members and inner reinforcing bar bear tensile stress jointly.But this reinforcement process is extremely low to the utilization rate of carbon fiber strength, because the modulus of elasticity of carbon fiber sheet is 155～170GPa, tensile strength is up to 2800MPa, and bring into play tensile strength needs 1.7% stretcher strain; And the modulus of elasticity of reinforcing bar is generally 200GPa, and tensile strength only is about 300MP, and bring into play tensile strength needs 0.15% stretcher strain.When carbon fiber sheet and component inside reinforcing bar co-operation, do not consider the original initial strain of reinforcing bar, the intensity that carbon fiber sheet can be brought into play during reinforcement yielding also only is 8.8% of tensile strength; And allowing carbon fiber bring into play under the strain of whole intensity needed 1.7%, and concrete structure can produce big distortion and tangible crack, and the stripping damage at carbon fiber plate two ends has also limited the performance of effect in addition.
As mentioned above, the raising of carbon fiber reinforcement beam slab supporting capacity is that the pre-stressed carbon fiber reinforcing method can address this problem preferably with the bigger cost that is deformed into, and improves cracking load, yield load, improves the performance of structure under the service load; Control to structural cracks width and amount of deflection all has active influence.
General its ground tackle of this series products in the market is the waveform anchor.The structural form of this kind can't realize the clamping to thicker carbon fiber board, and easily in stretching process, carbon plate is sheared disconnected, carbon plate that can only stretch-draw 1.2mm-1.4mm, carbon fiber board that can't other thickness of stretch-draw, and existing pre-stress system does not have transfer, what have need dig certain degree of depth at concrete, carbon plate and concrete could be fit together.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art and provide a kind of saving operation, time, the convenient active pre-stressed carbon fiber plate hardened system that uses.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of active pre-stressed carbon fiber plate hardened system described in the utility model comprises fixed end, stretch-draw end and carbon fiber board, and it is characterized in that: described stretch-draw end comprises: stretch-draw end base steel seat, tension rod, stretch-draw end ground tackle, transfer; Fixed end comprises: fixed end base steel seat, fixed end ground tackle, transfer; Described ground tackle is made up of anchor cup and anchor head, described anchor cup is the middle whole bloom in certain taper duct of opening, described anchor head respectively is provided with 1 wedge shape steel intermediate plate by carbon fiber board and carbon fiber board both sides and 1 aluminium flake is formed, described anchor head integral body is nested in the anchor cup, described stretch-draw end is provided with 2 tension rods, tension rod one end is connected with stretch-draw end ground tackle, the other end is connected with stretch-draw end base steel seat, and the arranged outside that connects the stretch-draw end base steel seat of tension rod has dismountable jack.
Further, described aluminium flake is identical with the broadband of carbon plate, and described steel intermediate plate is identical and identical with the tapering in anchor cup duct with the width of carbon plate, and steel intermediate plate, aluminium flake, carbon fiber board are formed anchor head, and anchor head is clamp-oned the whole ground tackle of the cup-shaped one-tenth of anchor.
Further, the both sides of described stretch-draw end base steel seat and fixed end base steel seat are provided with bolt hole.
Further, described stretch-draw end ground tackle slidably is connected in the stretch-draw end group seat.
Further, described carbon fiber board and fixing by the structure glue bonding between the aluminium flake up and down; The steel intermediate plate is matsurface with the aluminium flake contact surface up and down, and it is fixed to be convenient to rub; The contact surface of steel intermediate plate and anchor cup is shiny surface up and down, is convenient to all around small amplitude slip between anchor head and anchor cup.
Further, stretch-draw end and fixed end base steel seat front end are equipped with and can make the recline transfer of concrete structural surface of carbon fiber board.
After adopting said structure, the utility model beneficial effect is: the transfer that stretch-draw end and fixed end have, avoided concrete damage, saved operation and time, ground tackle: this device is to utilize the frictional resistance realization of the smooth contact surface that has certain taper to the reliable clamping of carbon fiber board; And utilize aluminium flake as the buffer protection to carbon plate; make it avoid being damaged and cutting off, utilize the adhesion stress of structure glue that carbon fiber board and aluminium flake are bonded to one, the characteristics that this ground tackle has utilized smooth contact surface to rotate arbitrarily; have the function of automatic centering, simplify the structure.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model carbon fiber board and ground tackle connection diagram;
Fig. 3 is the utility model stretch-draw end ground tackle sectional view;
Fig. 4 is the utility model fixed end ground tackle sectional view;
Fig. 5 is that the utility model anchor head and anchor cup are formed schematic diagram.
Among the figure: 1. stretch-draw end, 2. carbon fiber board, 3. fixed end, 31. fixed end base steel seats, 32. fixed end ground tackles, 33. transfers, 4. stretch-draw end base steel seat, 5. tension rod, 6. stretch-draw end ground tackle, 7. transfer, 8. jack, 9. bolt hole, 10. duct, 11. steel intermediate plates, 12. aluminium flakes, 13. anchor cups.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of active pre-stressed carbon fiber plate hardened system described in the utility model, comprise fixed end 3, stretch-draw end 1 and carbon fiber board 2, described stretch-draw end comprises: stretch-draw end base steel seat 4, tension rod 5, stretch-draw end ground tackle 6, transfer 7, fixed end comprises: fixed end base steel seat 31, fixed end ground tackle 32, transfer 33 is formed, the both sides of described stretch-draw end base steel seat and fixed end base steel seat are provided with bolt hole 9, be used for being fixed on the bridge concrete structure, described fixed end ground tackle 32 is fixedly connected on an end of fixed end base steel seat 31, transfer 33 is fixed on the other end, described stretch-draw end ground tackle 6 slidably is connected in the stretch-draw end group seat 4, and transfer 7 is installed in the end opposite of jack 8; Described anchor cup is a middle whole bloom of opening certain taper duct 10, the both sides of the two ends of carbon fiber board 2 in duct 10 respectively are provided with 1 wedge shape steel intermediate plate 11 and 1 aluminium flake 12, described aluminium flake is identical with the broadband of carbon plate, described steel intermediate plate is identical and identical with the tapering in duct with the width of carbon plate, steel intermediate plate 11, aluminium flake 12, carbon fiber board 2 are formed anchor head, anchor head is clamp-oned the whole ground tackle of the cup-shaped one-tenth of anchor, described carbon fiber board 2 and fixing by the structure glue bonding between the aluminium flake 12 up and down; Steel intermediate plate 11 is matsurface with aluminium flake 12 contact surfaces up and down, and it is fixed to be convenient to rub; The contact surface in steel intermediate plate 11 and duct 10 is shiny surface up and down, be convenient to all around small amplitude slip between anchor head and anchor cup, the characteristics that ground tackle has utilized smooth contact surface to rotate arbitrarily, function with automatic centering, simplify the structure, described stretch-draw end is provided with 2 tension rods 5, tension rod 5 one ends are connected with stretch-draw end ground tackle 6, the other end is connected with stretch-draw end base steel seat 4, the arranged outside that connects the stretch-draw end base steel seat of tension rod has dismountable jack 8, after stretch-draw finished, jack was removed.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (6)
1. active pre-stressed carbon fiber plate hardened system comprises fixed end, stretch-draw end and carbon fiber board, and it is characterized in that: described stretch-draw end comprises: stretch-draw end base steel seat, tension rod, stretch-draw end ground tackle, transfer;
Fixed end comprises: fixed end base steel seat, fixed end ground tackle, transfer; Described ground tackle is made up of anchor cup and anchor head, described anchor cup is the middle whole bloom in certain taper duct of opening, described anchor head respectively is provided with 1 wedge shape steel intermediate plate by carbon fiber board and carbon fiber board both sides and 1 aluminium flake is formed, described anchor head integral body is nested in the anchor cup, described stretch-draw end is provided with 2 tension rods, tension rod one end is connected with stretch-draw end ground tackle, the other end is connected with stretch-draw end base steel seat, and the arranged outside that connects the stretch-draw end base steel seat of tension rod has dismountable jack.
2. active pre-stressed carbon fiber plate hardened system according to claim 1, it is characterized in that: described aluminium flake is identical with the broadband of carbon plate, described steel intermediate plate is identical and identical with the tapering of anchor cup with the width of carbon plate, steel intermediate plate, aluminium flake, carbon fiber board are formed anchor head, and anchor head is clamp-oned the whole ground tackle of the cup-shaped one-tenth of anchor.
3. active pre-stressed carbon fiber plate hardened system according to claim 1, it is characterized in that: the both sides of described stretch-draw end base steel seat and fixed end base steel seat are provided with bolt hole.
4. active pre-stressed carbon fiber plate hardened system according to claim 1, it is characterized in that: described stretch-draw end ground tackle slidably is connected in the stretch-draw end group seat.
5. active pre-stressed carbon fiber plate hardened system according to claim 1 and 2 is characterized in that: described carbon fiber board and fixing by the structure glue bonding between the aluminium flake up and down; The steel intermediate plate is matsurface with the aluminium flake contact surface up and down, and it is fixed to be convenient to rub; The contact surface of steel intermediate plate and anchor cup is shiny surface up and down, is convenient to all around small amplitude slip between anchor head and anchor cup.
6. active pre-stressed carbon fiber plate hardened system according to claim 1 is characterized in that: stretch-draw end and fixed end base steel seat front end are equipped with and can make the recline transfer of concrete structural surface of carbon fiber board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077390 CN203065976U (en) | 2013-02-20 | 2013-02-20 | Active prestressed carbon fiber plate reinforcing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077390 CN203065976U (en) | 2013-02-20 | 2013-02-20 | Active prestressed carbon fiber plate reinforcing system |
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| Publication Number | Publication Date |
|---|---|
| CN203065976U true CN203065976U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320077390 Expired - Lifetime CN203065976U (en) | 2013-02-20 | 2013-02-20 | Active prestressed carbon fiber plate reinforcing system |
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| CN (1) | CN203065976U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005343A (en) * | 2014-06-13 | 2014-08-27 | 成都市磐固科技有限公司 | Bridge prestress carbon fiber plate tensioning anchoring system device |
| CN104264593A (en) * | 2014-09-05 | 2015-01-07 | 华侨大学 | Surface embedded bar reinforced prestress tension method and device |
| 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 |
| CN105257321A (en) * | 2015-09-28 | 2016-01-20 | 上海市基础工程集团有限公司 | Shield tunnel initial-stage construction duct piece pulling connection device and construction method |
| CN105369746A (en) * | 2015-12-02 | 2016-03-02 | 洛阳双瑞特种装备有限公司 | Pre-stress carbon fiber reinforcing tensioning bending device |
| CN106193643A (en) * | 2016-07-20 | 2016-12-07 | 东南大学 | A kind of Prestressed CFRP plate stretching and anchoring device of reinforcing steel beam and combination beam |
| CN106522573A (en) * | 2016-11-16 | 2017-03-22 | 东南大学 | Clamping piece type anchorage device applied to prestressed FRP gridding stretching and construction method of clamping piece type anchorage device |
| CN106930549A (en) * | 2015-12-30 | 2017-07-07 | 卡本复合材料（天津）有限公司 | A kind of pre-stressed carbon fiber plate reinforcement means |
| CN107165061A (en) * | 2017-07-04 | 2017-09-15 | 北京市市政四建设工程有限责任公司 | A kind of prestressed anchor and tensioning equipment |
| CN107227851A (en) * | 2016-03-25 | 2017-10-03 | 卡本复合材料（天津）有限公司 | A kind of detachable anchorage device for prestressing force carbon plate tensioning |
| CN107503527A (en) * | 2017-09-27 | 2017-12-22 | 卡本复合材料（天津）有限公司 | A kind of pre-stressed carbon fiber plate detachable anchorage device |
| CN110130234A (en) * | 2019-05-07 | 2019-08-16 | 东南大学 | A kind of novel bridge reinforcement system and its construction method |
| CN110145072A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | A kind of assembled anchorage and operating method |
-
2013
- 2013-02-20 CN CN 201320077390 patent/CN203065976U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005343A (en) * | 2014-06-13 | 2014-08-27 | 成都市磐固科技有限公司 | Bridge prestress carbon fiber plate tensioning anchoring system device |
| CN104264593A (en) * | 2014-09-05 | 2015-01-07 | 华侨大学 | Surface embedded bar reinforced prestress tension method and device |
| 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 |
| CN105257321A (en) * | 2015-09-28 | 2016-01-20 | 上海市基础工程集团有限公司 | Shield tunnel initial-stage construction duct piece pulling connection device and construction method |
| CN105257321B (en) * | 2015-09-28 | 2018-05-04 | 上海市基础工程集团有限公司 | Shield tunnel construction at initial stage section of jurisdiction sockets device and construction method |
| CN105369746A (en) * | 2015-12-02 | 2016-03-02 | 洛阳双瑞特种装备有限公司 | Pre-stress carbon fiber reinforcing tensioning bending device |
| CN106930549A (en) * | 2015-12-30 | 2017-07-07 | 卡本复合材料（天津）有限公司 | A kind of pre-stressed carbon fiber plate reinforcement means |
| CN107227851A (en) * | 2016-03-25 | 2017-10-03 | 卡本复合材料（天津）有限公司 | A kind of detachable anchorage device for prestressing force carbon plate tensioning |
| CN106193643A (en) * | 2016-07-20 | 2016-12-07 | 东南大学 | A kind of Prestressed CFRP plate stretching and anchoring device of reinforcing steel beam and combination beam |
| CN106522573A (en) * | 2016-11-16 | 2017-03-22 | 东南大学 | Clamping piece type anchorage device applied to prestressed FRP gridding stretching and construction method of clamping piece type anchorage device |
| CN107165061A (en) * | 2017-07-04 | 2017-09-15 | 北京市市政四建设工程有限责任公司 | A kind of prestressed anchor and tensioning equipment |
| CN107503527A (en) * | 2017-09-27 | 2017-12-22 | 卡本复合材料（天津）有限公司 | A kind of pre-stressed carbon fiber plate detachable anchorage device |
| CN110145072A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | A kind of assembled anchorage and operating method |
| CN110130234A (en) * | 2019-05-07 | 2019-08-16 | 东南大学 | A kind of novel bridge reinforcement system and its construction method |
| CN110130234B (en) * | 2019-05-07 | 2021-04-30 | 东南大学 | Novel bridge reinforcing system and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Guo Fengqing Document name: Notice of Termination of Patent Rights |