CN112900267B - Tensioning and anchoring system and method for carbon fiber plate bundles - Google Patents
Tensioning and anchoring system and method for carbon fiber plate bundles Download PDFInfo
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- CN112900267B CN112900267B CN202110035426.0A CN202110035426A CN112900267B CN 112900267 B CN112900267 B CN 112900267B CN 202110035426 A CN202110035426 A CN 202110035426A CN 112900267 B CN112900267 B CN 112900267B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention discloses a tension anchoring system of a carbon fiber plate bundle and a tension method thereof, wherein the system comprises the following components: the prestressed plate bundle comprises two anchoring sleeves, two anchoring plugs and a plurality of carbon fiber plates, wherein embedded sleeves are sleeved outside the carbon fiber plates, a plurality of inserting piece holes which are arranged in parallel in the same direction are formed in the anchoring plugs, the end parts of the carbon fiber plates extend to the outside of the embedded sleeves and are respectively inserted into the inserting piece holes, the anchoring plugs are accommodated in the first ends of the anchoring sleeves, and limiting lantern rings are adjustably sleeved at the outer positions of the second ends of the anchoring sleeves; the first end of the supporting inserted rod is detachably inserted into the second end of the anchoring sleeve, and the second end of the supporting inserted rod is provided with a supporting lantern ring; and the pushing device is provided with a first end and a second end which is propped against the supporting lantern ring. The invention solves the problem that the carbon fiber tendon can not be placed straightly after the existing carbon fiber tendon is installed, and the performance of the existing carbon fiber tendon is influenced by bending.
Description
Technical Field
The invention relates to the technical field of building and bridge construction, in particular to a tensioning and anchoring system of a carbon fiber plate bundle and a tensioning method thereof.
Background
Carbon fiber is an anisotropic material, and has high axial tensile strength but low transverse shear and bending strength, so that the application of the carbon fiber material is severely limited. Carbon fiber reinforcement is a common application form of carbon fiber materials. When the diameter of the carbon fiber bar is too large, the performance of the carbon fiber bar is obviously reduced, so the carbon fiber bar is usually applied in the form of carbon fiber bar bundles. In engineering application, due to the fact that a construction site is complex, installation of carbon fiber reinforcement bundles is deviated, the reinforcement bundles cannot be placed in a straight mode, and bending exists, after the reinforcement bundles are stressed, stress of each reinforcement in the reinforcement bundles is not uniform, and the ultimate bearing capacity of the reinforcement bundles is obviously reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, a tensioning and anchoring system of a carbon fiber plate bundle and a tensioning method thereof are provided so as to solve the problems that the carbon fiber plate bundle cannot be placed straightly after the existing carbon fiber plate bundle is installed and the performance of the existing carbon fiber plate bundle is influenced by bending.
To achieve the above object, there is provided a tension anchoring system of a carbon fiber sheet bundle, including:
the prestressed plate bundle comprises two anchoring sleeves, two anchoring plugs and a plurality of carbon fiber plates, wherein embedded sleeves used for being embedded in a concrete structure are sleeved outside the carbon fiber plates, a plurality of inserting piece holes which are arranged in parallel in the same direction are formed in the anchoring plugs, the end parts of the carbon fiber plates extend to the outside of the embedded sleeves and are respectively inserted into the inserting piece holes, the anchoring plugs are accommodated in the first ends of the anchoring sleeves, and limiting lantern rings are adjustably sleeved at the outer positions of the second ends of the anchoring sleeves;
the first end of the supporting insertion rod is detachably inserted into the second end of the anchoring sleeve, and the second end of the supporting insertion rod is provided with a supporting lantern ring; and
the pushing device is provided with a first end used for being propped against the concrete structure and a second end propped against the supporting lantern ring.
Further, the anchor plug includes:
the splicing plates are spliced end to enclose an accommodating space;
the partition plates are arranged in the accommodating space in the same direction, two sides of each partition plate are connected to the inner sides of the two opposite splicing plates, a socket through hole is formed between every two adjacent partition plates, the end part of the carbon fiber plate is inserted into the socket through hole, and a filling gap is formed between the end part of the carbon fiber plate and the inner wall of the socket through hole; and
and the isolation resin is filled in the pouring gap and covers the end part of the carbon fiber plate.
Furthermore, slots are formed in the inner sides of the two opposite splicing plates, and two sides of the partition plate are respectively inserted into the slots of the two opposite splicing plates.
Further, the thickness of the spacer increases from the second end of the anchor sleeve to the first end of the anchor sleeve.
Furthermore, the anchor sleeve is provided with an internal thread, the anchor plug is provided with an external thread matched with the internal thread, and the anchor sleeve is screwed on the anchor plug.
Furthermore, the inner edge opening of the first end of the anchoring sleeve is provided with a limit convex ring for preventing the anchoring plug from slipping.
Furthermore, the both ends of buried sleeve pipe are connected with the guard aperture sleeve respectively, guard aperture sleeve movably overlaps and locates the anchor sleeve, the telescopic outer edge mouth of keeping away from buried sleeve pipe one end of guard aperture forms the dado crown plate, spacing lantern ring press support in the dado crown plate be close to guard aperture telescopic one side, the thrustor support in the dado crown plate keep away from the telescopic opposite side of guard aperture.
Furthermore, the pushing device is supported against the other side, far away from the hole-protecting sleeve, of the wall-protecting annular plate through a supporting sleeve, the supporting sleeve is sleeved on the supporting inserted rod, and an operating hole aligned with the limiting sleeve ring is formed in the side wall of the supporting sleeve and corresponds to the position of the operating hole.
Furthermore, an external thread is formed on the outer portion of the second end of the anchoring sleeve, an internal thread matched with the external thread is formed in the limiting sleeve ring, and the limiting sleeve ring is screwed on the second end of the anchoring sleeve.
The invention provides a tensioning method of a tensioning and anchoring system of a carbon fiber plate bundle, which comprises the following steps of:
when the concrete structure is poured, embedding a tensioning and anchoring system of the carbon fiber plate bundle in the concrete structure, so that a limiting lantern ring outside a second end of an anchoring sleeve of the tensioning and anchoring system of the carbon fiber plate bundle is abutted against the outer side wall of the concrete structure;
after the concrete structure is hardened, aligning a first end of a jacking device of a tensioning and anchoring system of the carbon fiber plate bundle with the outer side wall of the concrete structure and jacking the outer side wall of the concrete structure to tension a prestressed plate bundle of the tensioning and anchoring system of the carbon fiber plate bundle;
after the pushing device applies a preset prestress to the prestress plate bundle, the position of the limiting sleeve ring at the second end of the anchoring sleeve is adjusted, so that the limiting sleeve ring is pressed against the side wall of the concrete structure.
The carbon fiber plate bundle stretching and anchoring system has the advantages that the plurality of carbon fiber plates are arranged in the concrete structure in a multi-layer overlapped state, the plurality of carbon fiber plates are horizontally arranged in the embedded sleeve through the embedded sleeve and the anchoring plug, and the bending probability of the plurality of carbon fiber plates is reduced so as to ensure that the plurality of carbon fiber plates are uniformly stressed and be beneficial to exerting the ultimate bearing capacity of the carbon fiber plates.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a tensile anchoring system of a carbon fiber plate bundle according to an embodiment of the present invention.
Fig. 2 is an exploded view of one end of a tensile anchoring system for carbon fiber sheet bundles according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of an end portion of a carbon fiber sheet bundle according to an embodiment of the present invention.
Fig. 4 is an exploded view of an anchor plug according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of an anchor plug according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an inner side wall of a splice plate according to an embodiment of the present invention.
FIG. 7 is a top view of a splice bar according to an embodiment of the present invention.
FIG. 8 is a side view of a splice bar according to an embodiment of the present invention.
FIG. 9 is a schematic structural view of an anchoring sleeve of an embodiment of the present invention.
Fig. 10 is a schematic structural view of a support sleeve according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic structural diagram of a tensile anchor system of a carbon fiber plate bundle according to an embodiment of the present invention, fig. 2 is a schematic exploded structural diagram of one end of the tensile anchor system of the carbon fiber plate bundle according to the embodiment of the present invention, fig. 3 is a schematic structural diagram of an end portion of the carbon fiber plate bundle according to the embodiment of the present invention, fig. 4 is a schematic exploded structural diagram of an anchor plug according to the embodiment of the present invention, fig. 5 is a cross-sectional view of the anchor plug according to the embodiment of the present invention, fig. 6 is a schematic structural diagram of an inner side wall of a splice plate according to the embodiment of the present invention, fig. 7 is a top view of the splice plate according to the embodiment of the present invention, fig. 8 is a side view of the splice plate according to the embodiment of the present invention, fig. 9 is a schematic structural diagram of an anchor sleeve according to the embodiment of the present invention, and fig. 10 is a schematic structural diagram of a support sleeve according to the embodiment of the present invention.
Referring to fig. 1 to 10, the present invention provides a tension anchoring system of a carbon fiber sheet bundle, including: the prestressed plate bundle, the supporting inserted bar 2 and the pushing device 3.
The prestressed plate bundle comprises two anchoring sleeves 11, two anchoring plugs 12, a plurality of carbon fiber plates 13 and an embedded sleeve 14.
Specifically, the outside of the plurality of carbon fiber plates 13 is sleeved with an embedded sleeve 14. The embedment sleeve 14 is for embedding in the concrete structure 4.
A plurality of insert holes are formed in the anchor plug 12 in parallel in the same direction. The end parts of the carbon fiber plates 13 extend to the outside of the embedded sleeve 14 and are respectively inserted into the insert holes. The anchor plug 12 is received and anchored in the first end of the anchor sleeve 11. The outer position of the second end of the anchoring sleeve 11 is adjustably sleeved with a stop collar 111.
The first end of the support plunger 2 is removably inserted into the second end of the anchoring sleeve 11. A support collar 21 is mounted to the second end of the support plunger 2.
The pushing device 3 is used for tensioning the carbon fiber plates to apply prestress to the carbon fiber plates. The thruster 3 has a first end for bearing against the concrete structure 4 and a second end bearing against the support collar 21.
According to the stretching anchoring system of the carbon fiber plate bundle, the plurality of carbon fiber plates are arranged in the concrete structure in a multi-layer overlapped state, the plurality of carbon fiber plates are horizontally arranged in the embedded sleeve through the embedded sleeve and the anchoring plug, and the bending probability of the plurality of carbon fiber plates is reduced so as to ensure that the plurality of carbon fiber plates are uniformly stressed and be beneficial to exerting the ultimate bearing capacity of the carbon fiber plates.
In the present embodiment, as an important part of the carbon fiber sheet bundle, the anchor plug 12 includes: a plurality of splice plates 121, a plurality of spacers 122, and a barrier resin 123.
The plurality of splicing plates 121 are spliced end to form an accommodating space.
The plurality of partition plates 122 are disposed in the accommodating space at intervals in a vertical direction. The plurality of partitions 122 are arranged in the same direction. Both sides of the partition 122 are connected to the inner sides of the two opposite splice plates 121. A socket through hole is formed between two adjacent partition plates 122. The end of each carbon fiber plate 13 is inserted into a socket through hole, and a filling gap is formed between the end of the carbon fiber plate 13 and the inner wall of the socket through hole.
The insulating resin 123 is filled in the potting gaps and covers the ends of the carbon fiber plates 13. Specifically, as shown in fig. 6 to 8, slots 1210 are formed on the inner sides of the two opposite splicing plates 121, and two sides of the partition plate 122 are respectively inserted into the slots 1210 of the two opposite splicing plates 121. Wherein, the both sides of baffle 122 are formed with the slider respectively, and the slider cunning is located in slot 1210.
In a preferred embodiment, the thickness of the partition 122 gradually increases from the second end of the anchoring sleeve 11 to the first end of the anchoring sleeve 11.
In the present embodiment, the anchoring sleeve 11 of the prestressed plate bundle is provided with an internal thread. The anchor plug 12 is provided with an external thread adapted to the internal thread. The anchoring sleeve 11 is screwed to the anchoring plug 12. Specifically, referring to fig. 3 and 4, the number of the splice plates is four, and the splice plates include an upper splice plate, a lower splice plate, and two side splice plates. The upper parts and the lower parts of the two splicing plates on the side parts form socket notches respectively, and the splicing plate on the upper part is inserted into the socket notch on the upper part of the splicing plate on the side part. The splice plate at the lower part is inserted into the socket gap at the lower part of the splice plate at the side part. The outer sides of the four splicing plates are provided with external threads, after the four splicing plates are spliced into a whole, the external threads of the four splicing plates are screwed with the internal threads of the anchoring sleeve, so that the four splicing plates are firmly spliced together, and on the other hand, the inserting position of the splicing plates in the anchoring sleeve can be adjusted through the threads.
In a preferred embodiment, the inner edge of the first end of the anchoring sleeve 11 is provided with a stop collar 112 for preventing the anchoring plug 12 from slipping off.
In this embodiment, the splicing of four splice plates is a circular platform shape after being whole, and the anchor plug after installing the carbon fiber board is the circular platform shape promptly. Correspondingly, the through hole in the anchoring sleeve is also in the shape of an inverted circular truncated cone matched with the anchoring plug so as to improve the bearing capacity of the anchoring plug and the anchoring sleeve.
In this embodiment, the second end of the anchoring sleeve 11 is externally threaded. The inside of the stop collar 111 is formed with an internal thread adapted to the external thread. The stop collar 111 is screwed to the second end of the anchoring sleeve 11.
In a preferred embodiment, two ends of the embedded sleeve 14 are respectively connected with a hole-protecting sleeve 15. The hole-protecting sleeve is embedded in the concrete structure. The hole-protecting sleeve 15 is movably sleeved on the anchoring sleeve 11. The outer edge of the end of the grommet 15 remote from the insert sleeve 14 is formed with a retaining ring plate 151. The retaining wall annular plate is attached to the outer side wall of the concrete structure. The position-limiting collar 111 is pressed against the side of the retaining-wall ring plate 151 close to the hole-protecting sleeve 15. The pushing device 3 is supported against the other side of the retaining wall ring plate 151 far away from the hole-protecting sleeve 15, that is, against the side of the retaining wall ring plate far away from the outer side wall of the concrete structure.
Furthermore, the two ends of the embedded sleeve are respectively connected to the hole protecting sleeve through plugging pieces 141. The plugging piece is a plugging gasket. In this embodiment, the inner diameter of the hole-protecting sleeve is larger than the outer diameter of the embedded sleeve. The outer diameter of the plugging washer is adapted to the inner diameter of the hole protecting sleeve, the inner diameter of the plugging washer is adapted to the outer diameter of the embedded sleeve, and the plugging washer is plugged between the inner wall of the hole protecting sleeve and the outer portion of the embedded sleeve.
In this embodiment, the pushing device 3 is a jack. The pushing device is supported against the other side of the retaining wall ring plate 151 far away from the hole-protecting sleeve 15 through the supporting sleeve 31. The supporting sleeve 31 is sleeved on the supporting inserted rod 2. The sidewall of the support sleeve 31 is opened with an operation hole 310 corresponding to the position of the alignment position-limiting collar 111. When the carbon fiber plate is stretched, constructors can adjust the limiting sleeve rings on the supporting insertion rods through the operation holes, so that the limiting sleeve rings are pressed against one side, far away from the outer side wall of the concrete structure, of the retaining wall annular plate.
The tensioning and anchoring system of the carbon fiber plate bundle can be applied to the interior of a prestressed concrete structure and other carbon fiber cable anchoring structures, such as a bridge inhaul cable.
The large end of the partition plate of the stretching and anchoring system of the carbon fiber plate bundle faces to the stress direction of the inhaul cable and is strictly limited in the anchoring sleeve, so that extrusion force is generated on the isolation resin with the sliding tendency between the partition plates.
The anchoring sleeve of the tensioning and anchoring system of the carbon fiber plate bundle adopts a completely innovative assembly form, and can be anchored in a nut form so as to adapt to a new application scene.
The isolation number of the tensioning and anchoring system of the carbon fiber plate bundle is simple and plays a role in bonding. In the system for stretching and anchoring the carbon fiber plate bundle, the isolation resin is used for bonding the carbon fiber plates, and the isolation resin is used for vertically solidifying and hardening to form a solidified body with a wedge-shaped cross section, so that the solidified body is matched with a wedge-shaped space formed between adjacent partition plates, and the locking effect on the carbon fiber plates is further improved.
The invention provides a tensioning method of a tensioning and anchoring system of a carbon fiber plate bundle, which comprises the following steps:
s1: when the concrete structure 4 is poured, the tensioning anchor system of the carbon fiber plate bundle is buried in the concrete structure 4, so that the limiting collar 111 outside the second end of the anchor sleeve 11 of the tensioning system of the carbon fiber plate bundle abuts against the outer side wall of the concrete structure 4.
In this embodiment, as shown in fig. 1, the retaining ring plate of the hole-protecting sleeve of the tension anchoring system of the carbon fiber plate bundle is attached to the outer side wall of the concrete structure.
Under the non-tension state of the carbon fiber plate, the limiting lantern ring is abutted against one side, far away from the concrete structure, of the retaining wall annular plate.
S2: after the concrete structure 4 is hardened, the first end of the thruster 3 of the tensile anchoring system of the carbon fiber plate bundle is aligned with the outer side wall of the concrete structure 4 and thrusts the outer side wall of the concrete structure 4 to tension the prestressed plate bundle of the tensile anchoring system of the carbon fiber plate bundle.
After the concrete structure 4 is hardened, the first end of the thruster 3 of the tension anchoring system of the carbon fiber plate bundle is aligned with the support sleeve, which is supported against the retaining wall ring plate. And opening the pushing device to push the supporting sleeve so that the supporting sleeve is supported against the retaining wall annular plate on the outer side wall of the concrete structure 4. The pushing device pushes the outer side wall of the concrete structure through the supporting sleeve to stretch the prestressed plate bundle of the stretching and anchoring system of the carbon fiber plate bundle.
S3: after the thrusting device 3 applies a preset prestress to the prestressed plate bundle, the position of the limiting collar 111 at the second end of the anchoring sleeve 11 is adjusted, so that the limiting collar 111 is pressed against the side wall of the concrete structure 4.
After the pushing device pushes the outer side wall of the concrete structure through the supporting sleeve to stretch the prestressed plate bundle, so that the prestress applied to the prestressed plate bundle reaches the design requirement, a constructor rotates the limiting sleeve ring 111 through the operating hole of the supporting sleeve, and the limiting sleeve ring 111 is pressed against the wall protection ring plate of the hole protection sleeve.
And then, removing the pushing device, the supporting inserted bar and the supporting sleeve, and finishing the tensioning process of the whole prestressed plate bundle.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. A system for tension anchoring of a carbon fibre sheet bundle, comprising:
the prestressed plate bundle comprises two anchoring sleeves, two anchoring plugs and a plurality of carbon fiber plates, wherein embedded sleeves used for being embedded in a concrete structure are sleeved outside the plurality of carbon fiber plates, a plurality of inserting piece holes arranged in parallel in the same direction are formed in the anchoring plugs, the end parts of the plurality of carbon fiber plates extend to the outside of the embedded sleeves and are respectively inserted into the plurality of inserting piece holes, the anchoring plugs are accommodated in the first ends of the anchoring sleeves, and limiting lantern rings are adjustably sleeved outside the second ends of the anchoring sleeves;
the first end of the supporting insertion rod is detachably inserted into the second end of the anchoring sleeve, and the second end of the supporting insertion rod is provided with a supporting lantern ring; and
the jacking device is provided with a first end used for being propped against the concrete structure and a second end propped against the supporting lantern ring;
the anchor plug includes:
the splicing plates are spliced end to enclose an accommodating space;
the partition plates are arranged in the accommodating space in the same direction, two sides of each partition plate are connected to the inner sides of the two opposite splicing plates, a socket through hole is formed between every two adjacent partition plates, the end part of the carbon fiber plate is inserted into the socket through hole, and a filling gap is formed between the end part of the carbon fiber plate and the inner wall of the socket through hole; and
the isolation resin is filled in the pouring gap and covers the end part of the carbon fiber plate;
the thickness of the spacer increases from the second end of the anchor sleeve to the first end of the anchor sleeve.
2. A tension anchoring system for carbon fiber plate bundles according to claim 1, wherein slots are formed in the inner sides of the two opposite splice plates, and both sides of the partition plate are respectively inserted into the slots of the two opposite splice plates.
3. A system for tension-anchoring a carbon fiber sheet bundle according to claim 1, wherein the anchor sleeve is provided with an internal thread, the anchor plug is provided with an external thread adapted to the internal thread, and the anchor sleeve is screwed to the anchor plug.
4. A system for tension-anchoring of a bundle of carbon fiber plates according to claim 3, wherein the inner bead of the first end of the anchoring sleeve is provided with a stop collar for preventing the anchoring plug from slipping off.
5. A carbon fiber bundle tensioning and anchoring system according to claim 1, wherein two ends of the embedded sleeve are respectively connected with a hole protecting sleeve, the hole protecting sleeve is movably sleeved on the anchoring sleeve, a wall protecting annular plate is formed at an outer edge of one end of the hole protecting sleeve, which is far away from the embedded sleeve, the limiting sleeve ring is pressed against one side of the wall protecting annular plate, which is close to the hole protecting sleeve, and the pushing device is supported against the other side of the wall protecting annular plate, which is far away from the hole protecting sleeve.
6. A tensioning and anchoring system for carbon fiber plate bundles according to claim 5, wherein the pushing device is supported against the other side of the retaining wall annular plate, which is far away from the hole-protecting sleeve, through a supporting sleeve, the supporting sleeve is sleeved on a supporting inserted rod, and the side wall of the supporting sleeve is provided with an operating hole which is aligned with the limiting sleeve ring.
7. A system for tension-anchoring a carbon fiber sheet bundle according to claim 1, wherein an outer thread is formed on an outer portion of the second end of the anchoring sleeve, and an inner thread adapted to the outer thread is formed on an inner portion of the stopper collar, and the stopper collar is screwed to the second end of the anchoring sleeve.
8. A method of tensioning a tensioning and anchoring system for bundles of carbon fibre plates according to any one of claims 1 to 7, characterised in that it comprises the following steps:
when the concrete structure is poured, embedding the tensioning and anchoring system of the carbon fiber plate bundle in the concrete structure, so that a limiting lantern ring outside the second end of an anchoring sleeve of the tensioning and anchoring system of the carbon fiber plate bundle is abutted against the outer side wall of the concrete structure;
after the concrete structure is hardened, aligning a first end of a jacking device of a tensioning and anchoring system of the carbon fiber plate bundle with the outer side wall of the concrete structure and jacking the outer side wall of the concrete structure to tension a prestressed plate bundle of the tensioning and anchoring system of the carbon fiber plate bundle;
after the pushing device applies a preset prestress to the prestress plate bundle, the position of the limiting sleeve ring at the second end of the anchoring sleeve is adjusted, so that the limiting sleeve ring is pressed against the side wall of the concrete structure.
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| CN115478707B (en) * | 2022-09-30 | 2023-06-16 | 中国人民解放军陆军工程大学 | High-bearing extrusion type anchorage device suitable for multi-layer carbon fiber plate cables and application method thereof |
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| DE20311950U1 (en) * | 2003-08-02 | 2004-12-09 | Dywidag-Systems International Gmbh | Corrosion-protected tension member, in particular tendon for prestressed concrete |
| CN105178515A (en) * | 2015-09-01 | 2015-12-23 | 上海大学 | Built-in anchorage type prestress FRP rib tensioning and anchoring device |
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| CN101736912B (en) * | 2009-12-03 | 2012-05-09 | 吴智深 | Anchorage method based on technique of bonding and reinforcement outside prestressed fiber cloth |
| CN101851985B (en) * | 2010-05-27 | 2012-08-08 | 卓清 | Articulated anchor and prestress tensioning method of high strength fibre composite sheet |
| CN102493661B (en) * | 2011-12-30 | 2014-05-28 | 湖南大学 | Bonding anchoring method and anchoring tool for carbon fiber composite stranded wire |
| CN203769342U (en) * | 2014-03-14 | 2014-08-13 | 江苏高速公路工程养护有限公司 | Rigid self-locking pre-stress carbon fiber plate anchoring system |
| 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 |
| CN110541580A (en) * | 2019-09-18 | 2019-12-06 | 卡本科技集团股份有限公司 | prestressed carbon fiber plate anchorage device system |
| CN111827139B (en) * | 2020-06-15 | 2022-07-29 | 山东大学 | Group anchor anchorage device and method for simultaneously tensioning multiple prestressed carbon fiber plates |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20311950U1 (en) * | 2003-08-02 | 2004-12-09 | Dywidag-Systems International Gmbh | Corrosion-protected tension member, in particular tendon for prestressed concrete |
| CN105178515A (en) * | 2015-09-01 | 2015-12-23 | 上海大学 | Built-in anchorage type prestress FRP rib tensioning and anchoring device |
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