CN105064696A - Prestressed carbon fiber plate tensioning apparatus - Google Patents

Prestressed carbon fiber plate tensioning apparatus Download PDF

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Publication number
CN105064696A
CN105064696A CN201510558100.0A CN201510558100A CN105064696A CN 105064696 A CN105064696 A CN 105064696A CN 201510558100 A CN201510558100 A CN 201510558100A CN 105064696 A CN105064696 A CN 105064696A
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CN
China
Prior art keywords
carbon fiber
tensioning equipment
tensioning
fiber plate
clamping
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CN201510558100.0A
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Chinese (zh)
Inventor
李伟
卓为
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Fuzhou Zhuoqiang Reinforcement Engineering Co Ltd
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Fuzhou Zhuoqiang Reinforcement Engineering Co Ltd
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Priority to CN201510558100.0A priority Critical patent/CN105064696A/en
Publication of CN105064696A publication Critical patent/CN105064696A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a prestressed carbon fiber plate tensioning apparatus which comprises two clamping devices and two tensioning devices. Each clamping device comprises an upper press plate, a lower press plate, an upper clamping piece, a lower clamping piece, rotating parts and connecting pieces, wherein one end of the upper press plate is connected with one end of the lower press plate through the rotating parts respectively, the other end of the upper press plate is connected with the other end of the lower press plate through the connecting pieces respectively, and the upper clamping piece and the lower clamping piece are respectively and sequentially arranged between the upper press plate and the lower press plate. The two clamping devices are arranged oppositely, and the two tensioning devices are arranged between the two clamping devices, the connecting pieces of the two clamping devices are respectively close to the tensioning devices, and the two clamping devices and the two tensioning devices are respectively and fixedly arranged on the structural basal plane of the tensioning apparatus for a prestressed carbon fiber plate to be arranged. The prestressed carbon fiber plate tensioning apparatus has the advantages of being good in clamping effect, convenient to install, convenient and fast to operate and economical.

Description

A kind of tensioning equipment of pre-stressed carbon fiber plate
Technical field
The present invention relates to civil structure engineering field, particularly a kind of tensioning equipment of pre-stressed carbon fiber plate.
Background technology
Carbon fiber board and carbon cloth are owing to having very high tensile strength, be widely used in the reinforcing of the components such as concrete, because carbon fiber board fiber content in unit width is far above the fiber content of monolayer carbon cloth, therefore the ultimate tension of carbon fiber board is significantly higher than the ultimate tension of commensurateiy wide carbon cloth, can give full play to intensity and the modulus of elasticity of carbon fiber, the carbon fiber board after construction is higher than the rate of utilization of strength of carbon cloth.
The tensioning equipment that current composite fibre sheet material tension technology adopts comprises clamping device and tensioning equipment, and existing clamping device and tensioning equipment generally adopt device as shown in figure.Clamping device in this equipment is made up of two block plates and several bolt, and carbon fiber board is clamped by two block plates, and by bolt-locking, finally at outer wrapping one deck can; Tensioning equipment is made up of two screw rods, stretching end fastening devices and the block be connected on fixture, tensioning equipment jack is placed between stretching end fastening devices and block, rely on jack traction two screw rods be connected in fastening devices to move forward, thus stretch-draw is carried out to carbon fiber board.
But existing clamping device is made up of two block plates and bolt, because clamping device is comparatively abundant, need to structure basal plane carry out catching groove just can make carbon fiber board and structure basal plane closely connected; The operating principle of clamping device is placed on by carbon fiber board between clamping device top board and clamping device lower platen, pass through bolt-locking, reach with very large frictional resistance and the fixture of carbon fiber board is fixed, therefore need special tool(s) device, very large torque locking bolt is provided or in factory, fixture is installed on carbon fiber board;
Existing tensioning equipment is made up of two screw rods, stretching end fastening devices and the block be connected on clamping device, it is outer that these devices are installed in clamping device end, and need the reserved space that can meet jack effective travel to carry out stretch-draw operation, therefore take up room comparatively large, what reduce carbon fiber board effectively utilizes length.Simultaneously existing clamping device and tensioning equipment are single use, non-dismountablely reuse, and resource cost is large.
Application number be 201310461396.5 Chinese patent disclose carbon fiber plate pre-stress stretching device and method for stretching, fixed end fastening devices, comprise fixed end holder, described fixed end holder is fixedly mounted on concrete structure; Fixed end ground tackle, the fixed end of the carbon fiber plate that is fixedly clamped, is provided with fixed end ground tackle linkage between described fixed end holder and described fixing ground tackle; Stretching end fastening devices, comprises stretching end holder, and described stretching end holder is fixedly mounted on concrete structure; Stretching end ground tackle, the stretching end of the carbon fiber material that is fixedly clamped, is provided with stretching end ground tackle linkage between described stretching end holder and described stretching end ground tackle; Tensioning equipment, comprise the jack mount pad be arranged on described stretching end holder, described jack mount pad is provided with jack, adjustable angle between described jack mount pad and described stretching end holder, be provided with stretch-draw cordage between the telescopic end of described jack and described stretching end ground tackle, described stretching end holder is provided with cordage guiding device.
The clamping device of this tensioning equipment install loaded down with trivial details, be inconvenient to operate; And its tensioning equipment is arranged on clamping device end skin, need the reserved space that can meet jack effective travel to carry out stretch-draw operation, therefore take up room comparatively large, what reduce carbon fiber board effectively utilizes length.
Summary of the invention
Technical problem to be solved by this invention is: the pre-stressed carbon fiber plate tensioning equipment providing a kind of clamping effect good and easy to assembly.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of tensioning equipment of pre-stressed carbon fiber plate, comprise two clamping devices and two tensioning equipments, described clamping device comprises top board, lower platen, upper clip, lower clamping piece, tumbler and connector, one end of described top board is connected respectively by tumbler with one end of lower platen, the other end of described top board is connected respectively by connector with the other end of lower platen, described upper clip and lower clamping piece are successively set between top board and lower platen respectively, described two clamping devices are arranged in opposite directions, described two tensioning equipments are arranged between two clamping devices, connector in described two clamping devices is arranged near tensioning equipment respectively, described two clamping devices and two tensioning equipments are fixedly installed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate respectively, described two clamping devices and two tensioning equipments are separately positioned on same straight line.
Beneficial effect of the present invention is: upper and lower pressing plate take tumbler as center of rotation, complete the folding of upper and lower pressing plate, the special upper and lower intermediate plate processed is disposed with between upper and lower pressing plate, increasing friction force, and by top board rotate moving part rotate and rely on connector lock certain torsion is provided, strengthen locking effect.Contrast and existingly use two block plates, the clamping device utilizing connector to lock, the present invention has and can fit tightly with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, thus without the need to arranging catching groove at structure basal plane, reduce the destruction to structure basal plane simultaneously, facilitate in-site installation, improve the convenience of use, advantage that clamping effect is good and time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is the tensioning equipment schematic diagram of the tensioning equipment of existing pre-stressed carbon fiber plate;
Fig. 2 is the top view of the tensioning equipment of the pre-stressed carbon fiber plate of the embodiment of the present invention;
Fig. 3 is the front view of the tensioning equipment of the pre-stressed carbon fiber plate of the embodiment of the present invention;
Fig. 4 is the front view of the clamping device of the tensioning equipment of the pre-stressed carbon fiber class of the embodiment of the present invention;
Fig. 5 is the top view of the clamping device of the tensioning equipment of the pre-stressed carbon fiber class of the embodiment of the present invention.
Label declaration:
1, tensioning equipment; 2, clamping device; 21, top board; 22, lower platen; 23, upper clip; 24, lower clamping piece; 25, tumbler; 26, connector; 3, tensioning equipment; 31, oil cylinder groove; 32, jack; 33, anchor slab; 4, cushion block.
Detailed description of the invention
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: adopt upper and lower pressing plate to take tumbler as center of rotation, realize the folding of upper and lower pressing plate, the clamping device of the special upper and lower intermediate plate processed is disposed with between upper and lower pressing plate, form a whole set of tensioning equipment with tensioning equipment, this tensioning equipment has the good advantage of clamping effect.
Please refer to Fig. 1 to Fig. 5, a kind of tensioning equipment 1 of pre-stressed carbon fiber plate, comprise two clamping devices 2 and two tensioning equipments 3, described clamping device 2 comprises top board 21, lower platen 22, upper clip 23, lower clamping piece 24, tumbler 25 and connector 26, one end of described top board 21 is connected respectively by tumbler 25 with one end of lower platen 22, the other end of described top board 21 is connected respectively by connector 26 with the other end of lower platen 22, described upper clip 23 and lower clamping piece 24 are successively set between top board 21 and lower platen 22 respectively, described two clamping devices 2 are arranged in opposite directions, described two tensioning equipments 3 are arranged between two clamping devices 2, connector 26 in described two clamping devices 2 is arranged near tensioning equipment 3 respectively, described two clamping devices 2 and two tensioning equipments 3 are fixedly installed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate respectively, described two clamping devices 2 and two tensioning equipments 3 are separately positioned on same straight line.
From foregoing description, beneficial effect of the present invention is: upper and lower pressing plate take tumbler as center of rotation, complete the folding of upper and lower pressing plate, the special upper and lower intermediate plate processed is disposed with between upper and lower pressing plate, increasing friction force, and by top board rotate moving part rotate and rely on connector lock certain torsion is provided, strengthen locking effect.Contrast and existingly use two block plates, the clamping device utilizing connector to lock, the present invention has and can fit tightly with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, thus without the need to arranging catching groove at structure basal plane, reduce the destruction to structure basal plane simultaneously, facilitate in-site installation, improve the convenience of use, advantage that clamping effect is good and time saving and energy saving.Preferably, described connector 26 is crab-bolt.
Operating principle of the present invention: first carbon fiber board is laid on structure basal plane, in employing, lower platen take tumbler as center of rotation, realize, the clamping device of the folding of lower platen, one end of carbon fiber board is placed on the upper of clamping device, between lower clamping piece, top board and lower platen are closed, adopt in the one end away from tumbler in connector locking, lower platen, by upper, the frictional force that lower clamping piece provides, and rotate by the top board moving part that rotates and connector torsion of providing when locking is provided, enough large coupling mechanism force is provided, locking carbon fiber board.Then on the medial surface carbon fiber board of clamping device, anchor slab is installed, allow carbon fiber board smooth-going through bottom anchor slab, then anchor slab oil cylinder groove is installed above.The symmetrical configuration of whole tensioning equipment is arranged, so its other end adopts and above-mentioned the same mounting method.Finally in oil cylinder groove, jack is installed, sets prestressing force, realized the stretching of carbon fiber board by the elongation controlling jack.
Further, described tensioning equipment 3 comprises jack 32, oil cylinder groove 31 and anchor slab 33, described anchor slab 33 is arranged on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, and described oil cylinder groove 31 is arranged on anchor slab 33, and described jack 32 is arranged in oil cylinder groove 31.
Seen from the above description, anchor slab 33 is fixed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, oil cylinder groove 31 is fixed on anchor slab 33, realize the fixing of tensioning equipment 3, jack 32 is arranged in oil cylinder groove 31, the flexible stroke of jack 32 in oil cylinder groove 31, thus can reduce complete equipment taking up room on structure basal plane, and what increase carbon fiber board utilizes length.
Further, described upper clip 23 be arranged in parallel with lower clamping piece 24 and is acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate.
Further, described top board 21 and lower platen 22 are respectively in wedge shape.
Seen from the above description, domatic the be arrangeding in parallel of upper and lower intermediate plate and the upper and lower pressing plate of wedge shape, upper and lower intermediate plate forms acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, itself and wedge shape also form acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, above-mentioned two sharp angle are equal, by such structure make carbon fiber board can smoothly transition to the end of clamping device, then through anchor slab, fit tightly with mechanism basal plane.
Further, the material of described clamping device 2 and oil cylinder groove 31 is respectively aluminium alloys.
Seen from the above description, aluminium alloy material light weight and thin, simultaneously anti-corruption effective, the setting of aluminium alloys clamping device and oil cylinder groove, makes whole device when mounted, does not need to destroy structure basal plane, thus protects the intensity of structure basal plane.
Further, described upper clip 23 and lower clamping piece 24 are respectively arranged with indentation.
Seen from the above description, upper and lower intermediate plate arranges indentation, by the friction of indentation and carbon fiber board, effective increasing friction force can be had, carbon fiber board can be clamped by clamping device.
Further, described tumbler 25 is turning cylinder.
Seen from the above description, turning cylinder expediently, the assembly and disassembly of lower platen, in the case of damages, be convenient for changing.
Further, described jack 32 is telescopic hydraulic jack, and the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector 26 in two clamping devices 2 respectively.
Seen from the above description, jack 32 is arranged towards the connector 26 in two clamping devices 2 respectively, when jack extends towards two clamping device directions, can realize whole tensioning equipment two ends and stretch simultaneously, this equipment effectively raises the utilization rate of carbon fiber board.
Further, also comprise cushion block 4, described cushion block 4 is arranged between clamping device 2 and tensioning equipment 3 and is also connected with clamping device 2, tensioning equipment 3 respectively.
Further, described jack 32 is telescopic hydraulic jack, and the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector 26 in a clamping device 2 respectively.
Seen from the above description, cushion block 4 is arranged between clamping device 2 and tensioning equipment 3, clamping device 2 is allowed directly not connect with tensioning equipment 3, effectively can protect clamping device 2 and tensioning equipment 3 like this, by the applied pressure of cushion block 4 pairs of clamping devices 2 pairs of carbon fiber boards, make the bottom through anchor slab 33 that carbon fiber board can be smooth-going; The telescopic end of jack 32 is arranged towards the connector in a clamping device, by cushion block 4, the clamping device 2 of one end is connected with tensioning equipment 3 fixed end being arranged to whole tensioning equipment, whole device is stretched towards same direction, and this structure effectively raises the utilization rate of carbon fiber board.
Please refer to Fig. 1 to Fig. 5, embodiments of the invention one are:
A kind of tensioning equipment 1 of pre-stressed carbon fiber plate, comprise two clamping devices 2 and two tensioning equipments 3, described clamping device 2 comprises top board 21, lower platen 22, upper clip 23, lower clamping piece 24, tumbler 25 and connector 26, one end of described top board 21 is connected respectively by tumbler 25 with one end of lower platen 22, the other end of described top board 21 is connected respectively by connector 26 with the other end of lower platen 22, described upper clip 23 and lower clamping piece 24 are successively set between top board 21 and lower platen 22 respectively, described two clamping devices 2 are arranged in opposite directions, described two tensioning equipments 3 are arranged between two clamping devices 2, connector 26 in described two clamping devices 2 is arranged near tensioning equipment 3 respectively, described two clamping devices 2 and two tensioning equipments 3 are fixedly installed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate respectively, described two clamping devices 2 and two tensioning equipments 3 are separately positioned on same straight line, described tensioning equipment 3 comprises jack 32, oil cylinder groove 31 and anchor slab 33, described anchor slab 33 is arranged on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, described oil cylinder groove 31 is arranged on anchor slab 33, and described jack 32 is arranged in oil cylinder groove 31, described upper clip 23 be arranged in parallel with lower clamping piece 24 and is acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, the material of described clamping device 2 and oil cylinder groove 31 is respectively aluminium alloys, described top board 21 and lower platen 22 are respectively in wedge shape, described upper clip 23 and lower clamping piece 24 are respectively arranged with indentation, described tumbler 25 is turning cylinder, described jack 32 is telescopic hydraulic jack, and the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector 26 in two clamping devices 2 respectively.
Please refer to Fig. 1 to Fig. 5, embodiments of the invention two are: a kind of tensioning equipment 1 of pre-stressed carbon fiber plate, comprise two clamping devices 2 and two tensioning equipments 3, described clamping device 2 comprises top board 21, lower platen 22, upper clip 23, lower clamping piece 24, tumbler 25 and connector 26, one end of described top board 21 is connected respectively by tumbler 25 with one end of lower platen 22, the other end of described top board 21 is connected respectively by connector 26 with the other end of lower platen 22, described upper clip 23 and lower clamping piece 24 are successively set between top board 21 and lower platen 22 respectively, described two clamping devices 2 are arranged in opposite directions, described two tensioning equipments 3 are arranged between two clamping devices 2, connector 26 in described two clamping devices 2 is arranged near tensioning equipment 3 respectively, described two clamping devices 2 and two tensioning equipments 3 are fixedly installed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate respectively, described two clamping devices 2 and two tensioning equipments 3 are separately positioned on same straight line, described tensioning equipment 3 comprises jack 32, oil cylinder groove 31 and anchor slab 33, described anchor slab 33 is arranged on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, described oil cylinder groove 31 is arranged on anchor slab 33, and described jack 32 is arranged in oil cylinder groove 31, described upper clip 23 be arranged in parallel with lower clamping piece 24 and is acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, the material of described clamping device 2 and oil cylinder groove 31 is respectively aluminium alloys, described top board 21 and lower platen 22 are respectively in wedge shape, described upper clip 23 and lower clamping piece 24 are respectively arranged with indentation, described tumbler 25 is turning cylinder, also comprise cushion block 4, described cushion block 4 is arranged between clamping device 2 and tensioning equipment 3 and is also connected with clamping device 2, tensioning equipment 3 respectively, described jack 32 is telescopic hydraulic jack, and the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector 26 in a clamping device 2 respectively.
In sum, the tensioning equipment of a kind of pre-stressed carbon fiber plate provided by the invention, it has good, the convenient installation of clamping effect, economic and time saving and energy saving advantage.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing manual of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. the tensioning equipment of a pre-stressed carbon fiber plate, it is characterized in that: comprise two clamping devices and two tensioning equipments, described clamping device comprises top board, lower platen, upper clip, lower clamping piece, tumbler and connector, one end of described top board is connected respectively by tumbler with one end of lower platen, the other end of described top board is connected respectively by connector with the other end of lower platen, described upper clip and lower clamping piece are successively set between top board and lower platen respectively, described two clamping devices are arranged in opposite directions, described two tensioning equipments are arranged between two clamping devices, connector in described two clamping devices is arranged near tensioning equipment respectively, described two clamping devices and two tensioning equipments are fixedly installed on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate respectively, described two clamping devices and two tensioning equipments are separately positioned on same straight line.
2. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, it is characterized in that: described tensioning equipment comprises jack, oil cylinder groove and anchor slab, described anchor slab is arranged on the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate, described oil cylinder groove is arranged on anchor slab, and described jack is arranged in oil cylinder groove.
3. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: described upper clip and lower clamping piece be arranged in parallel and be acute angle with the structure basal plane of the tensioning equipment for placing described pre-stressed carbon fiber plate.
4. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: the material of described clamping device and oil cylinder groove is respectively aluminium alloys.
5. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: described top board and lower platen are respectively in wedge shape.
6. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: described upper clip and lower clamping piece are respectively arranged with indentation.
7. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: described tumbler is turning cylinder.
8. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 2, it is characterized in that: described jack is telescopic hydraulic jack, the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector in two clamping devices respectively.
9. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 1, is characterized in that: also comprise cushion block, and described cushion block is arranged between clamping device and tensioning equipment and is also connected with clamping device, tensioning equipment respectively.
10. the tensioning equipment of a kind of pre-stressed carbon fiber plate according to claim 2, it is characterized in that: described jack is telescopic hydraulic jack, the number of described telescopic hydraulic jack is 2, and the telescopic end of described two telescopic hydraulic jack is arranged towards the connector in a clamping device respectively.
CN201510558100.0A 2015-09-06 2015-09-06 Prestressed carbon fiber plate tensioning apparatus Pending CN105064696A (en)

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CN201510558100.0A CN105064696A (en) 2015-09-06 2015-09-06 Prestressed carbon fiber plate tensioning apparatus

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107858939A (en) * 2017-11-08 2018-03-30 海宁安捷复合材料有限责任公司 A kind of pre-stressed fiber cloth tensioning system
CN110453615A (en) * 2019-08-26 2019-11-15 卡本科技集团股份有限公司 A kind of method that detachable pre-stressed carbon fiber plate is used to reinforce hollow slab girder

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107858939A (en) * 2017-11-08 2018-03-30 海宁安捷复合材料有限责任公司 A kind of pre-stressed fiber cloth tensioning system
CN110453615A (en) * 2019-08-26 2019-11-15 卡本科技集团股份有限公司 A kind of method that detachable pre-stressed carbon fiber plate is used to reinforce hollow slab girder
CN110453615B (en) * 2019-08-26 2022-06-28 卡本科技集团股份有限公司 Method for reinforcing hollow slab beam by detachable prestressed carbon fiber plate

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Application publication date: 20151118