CN212478635U - Lightweight prestressing force carbon fiber plate ground tackle - Google Patents
Lightweight prestressing force carbon fiber plate ground tackle Download PDFInfo
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- CN212478635U CN212478635U CN202020923648.7U CN202020923648U CN212478635U CN 212478635 U CN212478635 U CN 212478635U CN 202020923648 U CN202020923648 U CN 202020923648U CN 212478635 U CN212478635 U CN 212478635U
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- carbon fiber
- fiber plate
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- end anchor
- tensioning
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 123
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 123
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 230000002787 reinforcement Effects 0.000 claims description 21
- 239000004567 concrete Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a lightweight prestressing force carbon fiber plate ground tackle, include: the fixed end anchor plate is arranged at one end of the carbon fiber plate and is provided with a clamping piece; the fixed end anchor head is clamped on one side of the fixed end anchor plate and is used for fixing one end of the carbon fiber plate; the tensioning end anchor block is arranged at the other end of the carbon fiber plate and is provided with a first through hole; the tensioning end anchor head is arranged on one side of the tensioning end anchor block, is used for fixing the other end of the carbon fiber plate and is provided with a second through hole; the tensioning screw rods are symmetrically arranged on two sides of the length direction of the carbon fiber plate and located between the tensioning end anchor block and the tensioning end anchor head, two ends of each tensioning screw rod penetrate through the first through hole and the second through hole respectively, one end of each tensioning screw rod is sleeved with the fixing nut, and the other end of each tensioning screw rod is sleeved with the locking nut. The utility model discloses a carbon fiber plate ground tackle subassembly unit is few, the installation of being convenient for.
Description
Technical Field
The utility model relates to a building reinforcement technical field especially relates to a lightweight prestressing force carbon fiber plate ground tackle.
Background
The prestressed carbon fiber plate (referred to as a prestressed carbon plate for short) combines the advantages of light weight, high strength, corrosion resistance, fatigue resistance and the like of carbon fiber and the characteristic of actively applying prestress, and is widely applied to reinforcement, upgrading and transformation of building concrete. The prestressed carbon plate reinforcement not only has the advantages of reducing deflection deformation, actively sealing cracks and reducing internal stress of reinforced concrete, but also endows a reinforced building with higher ultimate load and shear stress, and improves the utilization rate of the carbon fiber plate and the concrete.
The anchorage device is the core of the prestressed carbon plate and can effectively transfer the load borne by the carbon fiber plate to a reinforced building. The existing prestressed carbon fiber plate anchorage device system in the market is heavy, has a plurality of assembly units, and is very inconvenient to construct and install on site.
SUMMERY OF THE UTILITY MODEL
In view of the above-identified deficiencies or inadequacies in the prior art, it would be desirable to provide a lightweight prestressed carbon fiber panel anchor with fewer assembly units and ease of installation.
The utility model provides a lightweight prestressed carbon fiber plate anchorage device, which comprises a fixed end anchor plate, a fixed end anchor head, a tensioning end anchor block, a tensioning end anchor head and a tensioning screw rod; wherein,
the fixed end anchor plate is arranged at one end of the carbon fiber plate and fixed on the surface of concrete, and a clamping piece for clamping the fixed end anchor head is arranged at one end, far away from the carbon fiber plate, of the fixed end anchor plate;
the fixed end anchor head is clamped on one side, away from the carbon fiber plate, of the fixed end anchor plate and is used for fixing one end of the carbon fiber plate;
the tensioning end anchor block is arranged at the other end of the carbon fiber plate and fixed on the surface of the concrete, and first through holes are symmetrically formed in the tensioning end anchor block along two sides of the length direction of the carbon fiber plate;
the tensioning end anchor head is arranged on one side, close to the carbon fiber plate, of the tensioning end anchor block and used for fixing the other end of the carbon fiber plate, and second through holes are symmetrically formed in the tensioning end anchor head along two sides of the length direction of the carbon fiber plate;
stretch-draw screw rod, including two, symmetrical set up in carbon fiber plate length direction's both sides are located stretch-draw end anchor block and stretch-draw between the end anchor head, stretch-draw screw rod's both ends are passed respectively first through-hole and second through-hole, stretch-draw screw rod passes the one end screw thread of first through-hole has cup jointed fixation nut, stretch-draw screw rod passes the one end screw thread of second through-hole has cup jointed lock nut.
Preferably, the joint spare including the symmetry set up in the fixture block of carbon fiber plate length direction both sides, the fixture block is fixed set up in the top surface of stiff end anchor slab, partly protrusion of fixture block stiff end anchor slab sets up.
Preferably, the top surface of stiff end anchor slab is followed carbon fiber plate's length direction is recessed to form and is led to the groove, supplies carbon fiber plate passes through, the tank bottom that leads to the groove sets up for cavity.
Preferably, the fixed end anchor head comprises a fixed anchor block, a first wedge-shaped channel is arranged in the fixed anchor block along the length direction of the carbon fiber plate, the thickness of the first wedge-shaped channel is gradually increased along the direction far away from the carbon fiber plate, one end of the carbon fiber plate extends into the first wedge-shaped channel, and first wedge blocks are symmetrically arranged on two sides of the carbon fiber plate in the first wedge-shaped channel;
the tensioning end anchor head comprises a tensioning anchor block, a second wedge-shaped channel is arranged in the tensioning anchor block along the length direction of the carbon fiber plate, and the thickness of the second wedge-shaped channel is gradually increased along the direction far away from the carbon fiber plate; the other end of the carbon fiber plate extends into the second wedge-shaped channel; and second wedge blocks are symmetrically arranged on two sides of the carbon fiber plate in the second wedge-shaped channel.
Preferably, the first wedge block is uniformly provided with a first tooth-shaped structure on the wall surface attached to the carbon fiber plate; and second tooth-shaped structures are uniformly arranged on the wall surface, which is attached to the carbon fiber plate, of the second wedge block.
Preferably, the top surface of tensioning end anchor block is provided with the structural reinforcement, the structural reinforcement includes the reinforcing plate of vertical setting, the reinforcing plate is close to one side of carbon fiber plate is fixed and is provided with the fagging.
Preferably, one side of the tensioning end anchor block, which is close to the carbon fiber plate, is provided with a fixed reinforcement, the fixed reinforcement comprises a fixed plate fixedly connected with the tensioning end anchor block, the middle part of the fixed plate is arranged in a hollow manner and is fixed on the surface of the concrete through an anchoring bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an anchorage device only comprises stiff end anchor slab, stiff end anchor head, stretch-draw end anchor block, stretch-draw end anchor head and stretch-draw screw rod, and anchorage device component unit is few. And the fixed connection of the anchor head at the fixed end adopts a clamping structure, so that a bolt fixing structure is replaced, and the installation is very convenient.
(2) The fixed reinforcement and the fixed end anchor plate of the tension end anchor plate are both hollow structures in design, so that the requirements of the structure on safety and durability are met, the dead weight of the structure is reduced, and the portability of the anchor is improved.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a schematic structural view of a lightweight prestressed carbon fiber plate anchor;
FIG. 2 is a schematic side view of a lightweight prestressed carbon fiber panel anchor;
fig. 3 is a schematic sectional view of the fixed-end anchor head and the tension-end anchor head.
Reference numbers in the figures: 11. a carbon fiber sheet; 12. a fixed end anchor plate; 13. a fixed end anchor head; 14. Tensioning the end anchor block; 15. tensioning the end anchor head; 16. stretching the screw;
21. a clamping piece; 22. a through groove;
31. fixing the anchor block; 32. a first wedge channel; 33. a first wedge; 34. a first tooth form structure;
41. a structural reinforcement; 42. fixing a reinforcing member;
51. tensioning the anchor block; 52. a second wedge channel; 53. a second wedge; 54. a second tooth-shaped structure;
61. fixing a nut; 62. locking the nut;
411. a reinforcing plate; 412. a diagonal bracing plate;
421. a fixing plate; 422. and (6) anchoring the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting 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 invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, an embodiment of the present invention provides a lightweight prestressed carbon fiber plate anchor, including a fixed end anchor plate 12, a fixed end anchor head 13, a tensioning end anchor block 14, a tensioning end anchor head 15, and a tensioning screw 16; wherein,
the fixed end anchor plate 12 is arranged at one end of the carbon fiber plate 11 and fixed on the surface of concrete, and a clamping piece 21 for clamping a fixed end anchor head 13 is arranged at one end, far away from the carbon fiber plate 11, of the fixed end anchor plate 12;
the fixed end anchor head 13 is clamped on one side, away from the carbon fiber plate 11, of the fixed end anchor plate 12 and is used for fixing one end of the carbon fiber plate 11;
the tensioning end anchor block 14 is arranged at the other end of the carbon fiber plate 11 and fixed on the surface of concrete, and first through holes are symmetrically formed in the tensioning end anchor block 14 along two sides of the length direction of the carbon fiber plate 11;
the tensioning end anchor head 15 is arranged on one side, close to the carbon fiber plate 15, of the tensioning end anchor block 14 and used for fixing the other end of the carbon fiber plate 11, and second through holes are symmetrically formed in the tensioning end anchor head 15 along two sides of the length direction of the carbon fiber plate 11;
the two stretching screw rods 16 are symmetrically arranged on two sides of the carbon fiber plate 11 in the length direction and located between the stretching end anchor block 14 and the stretching end anchor head 15, two ends of each stretching screw rod 16 penetrate through the first through hole and the second through hole respectively, one end of each stretching screw rod 16 penetrating through the first through hole is sleeved with the fixing nut 61, and one end of each stretching screw rod 16 penetrating through the second through hole is sleeved with the locking nut 62.
In this embodiment, the cut long carbon fiber plate 11 may be anchored to the concrete surface of the building to be reinforced by a carbon fiber plate anchor, and the building may be reinforced by applying a prestress.
The tensioning device can be conveniently assembled and installed on a construction site, and construction is convenient and flexible. When the reinforcing operation is performed, firstly, construction and paying-off are performed on the surface of the concrete, and the installation positions of the components on the concrete are marked. Then, the fixed end anchor plate 12 and the tension end anchor block 14 are respectively fixedly installed at corresponding positions using high-strength bolts.
And cutting the carbon fiber plate 11 according to the size of the reinforced part, fixedly connecting two ends of the carbon fiber plate 11 with the fixed end anchor head 13 and the tensioning end anchor head 15 respectively, and clamping the fixed end anchor head 13 to one end of the fixed end anchor plate 12. And (3) coating adhesive on the surface of the carbon fiber plate 11 close to the concrete, and straightening and sticking the carbon fiber plate 11 on the surface of the concrete. The end portions of the tension screw rods 16 respectively and correspondingly penetrate through the first through holes and the second through holes, and then the fixing nuts 61 and the locking nuts 62 are respectively installed at the end portions of the tension screw rods 16.
And finally, performing tensioning treatment. The jack for tensioning is installed on one side, away from the carbon fiber plate 11, of the tensioning end anchor block 14, the tensioning screw 16 is fixedly connected with the telescopic end of the jack, the tensioning screw 16 is driven by the jack to move towards the direction away from the carbon fiber plate 11, and along with the movement of the tensioning screw 16, the locking nut 62 is continuously screwed down to lock the tensioning screw 16.
And in the tensioning process, a mechanical sensor is adopted for monitoring the tension. A mechanical sensor is arranged at the position where the tensioning screw 16 is connected with the jack, the sensor is in contact with the jack, the applied prestress is transmitted to a pressure sensor, a display externally connected with the pressure sensor can display the tensioning force value, and tensioning is stopped when the tensioning force reaches a preset value. After the locking nut 62 is screwed down, tensioning treatment is completed, the jack is disassembled, and anchorage installation of the anchorage device is completed.
In a preferred embodiment, as shown in fig. 1 and fig. 2, the clamping member 21 includes two symmetrical clamping blocks disposed on two sides of the carbon fiber plate 11 in the length direction, the clamping blocks are fixedly disposed on the top surface of the fixed-end anchor plate 12, and a portion of the clamping blocks protrudes from the fixed-end anchor plate 12.
In this embodiment, the fixture block may be integrally formed with the fixed end anchor plate 12, or may be fixedly connected to the fixed end anchor plate 12 by welding. After the fixed end anchor head 13 is fixedly connected with the carbon fiber plate 11, the fixed end anchor head 13 is limited to move towards the stretching direction when the carbon fiber plate 11 is stretched through the clamping block in a clamping mode. Simple structure, fixed effectual, the installation is very simple and convenient, has saved the operating time of anchor installation, has improved the efficiency of construction.
In a preferred embodiment, as shown in fig. 1, the top surface of the fixed-end anchor plate 12 is recessed along the length direction of the carbon fiber plate 11 to form a through groove 22 for the carbon fiber plate 11 to pass through, so that the carbon fiber plate 11 is ensured to be in a straight state during tensioning, and the carbon fiber plate 11 is prevented from being tensioned and damaged due to stress concentration caused by bending of the carbon fiber plate 11. The groove bottom of the through groove 22 is hollow, so that the dead weight is reduced under the condition that the structural strength of the fixed end anchor plate 12 is not influenced.
In a preferred embodiment, as shown in fig. 1 to 3, the fixed-end anchor head 13 includes a fixed anchor block 31, a first wedge-shaped channel 32 is disposed in the fixed anchor block 31 along a length direction of the carbon fiber plate 11, a thickness of the first wedge-shaped channel 32 gradually increases along a direction away from the carbon fiber plate 11, one end of the carbon fiber plate 11 extends into the first wedge-shaped channel 32, and first wedges 33 are symmetrically disposed on two sides of the carbon fiber plate 11 in the first wedge-shaped channel 32;
the tensioning end anchor head 15 comprises a tensioning anchor block 51, a second wedge-shaped channel 52 is arranged in the tensioning anchor block 51 along the length direction of the carbon fiber plate 11, and the thickness of the second wedge-shaped channel 52 is gradually increased along the direction far away from the carbon fiber plate 11; the other end of the carbon fiber plate 11 extends into the second wedge-shaped channel 52; second wedges 53 are symmetrically arranged on both sides of the carbon fiber plate 11 in the second wedge-shaped channel 52.
In the present embodiment, the fixed-end anchor head 13 and the tension-end anchor head 15 are used to fix the ends of the carbon fiber plate 11, respectively. Through wedge channel and voussoir cooperation, when stretch-draw carbon fiber plate 11, the greater the tension force, the more firm centre gripping to carbon fiber plate 11 of voussoir. Structural design is reasonable, and is fixed effectual.
In a preferred embodiment, as shown in fig. 3, a first tooth-shaped structure 34 is uniformly arranged on the wall surface of the first wedge 33, which is attached to the carbon fiber plate 11; the second wedge 53 is provided with a second tooth-shaped structure 54 uniformly on the wall surface to which the carbon fiber plate 11 is attached.
In this embodiment, the tooth-shaped structure is formed by a plurality of protruding ridges on the surface of the wedge block, the length direction of the protruding ridges is perpendicular to the length direction of the carbon fiber plate 11, and the tooth-shaped structures on two sides of the carbon fiber plate 11 can effectively clamp the carbon fiber plate 11, so that the fixing effect of the anchor head is further improved
In a preferred embodiment, as shown in fig. 1 and 2, the top surface of the tension end anchor block 14 is provided with a structural reinforcement 41, the structural reinforcement 41 comprises a vertically arranged reinforcement plate 411, and a diagonal bracing plate 412 is fixedly arranged on one side of the reinforcement plate 411 close to the carbon fiber plate 11. The structural strength of the tensioning end anchor block 14 is increased by the arrangement of the structural reinforcing member 41, and structural deformation of the tensioning end anchor block 14 caused by tensioning of the carbon fiber plate 11 is avoided.
In a preferred embodiment, as shown in fig. 1 and 2, a fixing reinforcement member 42 is disposed on a side of the tension end anchor block 14 close to the carbon fiber plate 11, the fixing reinforcement member 42 includes a fixing plate 421 fixedly connected to the tension end anchor block 14, and a middle portion of the fixing plate 421 is disposed in a hollow manner and fixed to a surface of concrete by an anchor bolt 422. The arrangement of the fixed reinforcing member 42 further improves the installation stability of the tensioning end anchor block 14, and ensures the safety of the structure.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A portable prestressed carbon fiber plate anchorage device is characterized by comprising a fixed end anchor plate, a fixed end anchor head, a tensioning end anchor block, a tensioning end anchor head and a tensioning screw rod; wherein,
the fixed end anchor plate is arranged at one end of the carbon fiber plate and fixed on the surface of concrete, and a clamping piece for clamping the fixed end anchor head is arranged at one end, far away from the carbon fiber plate, of the fixed end anchor plate;
the fixed end anchor head is clamped on one side, away from the carbon fiber plate, of the fixed end anchor plate and is used for fixing one end of the carbon fiber plate;
the tensioning end anchor block is arranged at the other end of the carbon fiber plate and fixed on the surface of the concrete, and first through holes are symmetrically formed in the tensioning end anchor block along two sides of the length direction of the carbon fiber plate;
the tensioning end anchor head is arranged on one side, close to the carbon fiber plate, of the tensioning end anchor block and used for fixing the other end of the carbon fiber plate, and second through holes are symmetrically formed in the tensioning end anchor head along two sides of the length direction of the carbon fiber plate;
stretch-draw screw rod, including two, symmetrical set up in carbon fiber plate length direction's both sides are located stretch-draw end anchor block and stretch-draw between the end anchor head, stretch-draw screw rod's both ends are passed respectively first through-hole and second through-hole, stretch-draw screw rod passes the one end screw thread of first through-hole has cup jointed fixation nut, stretch-draw screw rod passes the one end screw thread of second through-hole has cup jointed lock nut.
2. The carbon fiber plate anchor device according to claim 1, wherein the clamping member comprises clamping blocks symmetrically arranged on two sides of the carbon fiber plate in the length direction, the clamping blocks are fixedly arranged on the top surface of the fixed end anchor plate, and a part of the clamping blocks protrudes out of the fixed end anchor plate.
3. The carbon fiber plate anchor device according to claim 2, wherein the top surface of the fixed end anchor plate is recessed along the length direction of the carbon fiber plate to form a through groove for the carbon fiber plate to pass through, and the bottom of the through groove is hollow.
4. The carbon fiber plate anchor of claim 3, wherein the fixed end anchor head comprises a fixed anchor block, a first wedge-shaped channel is arranged in the fixed anchor block along the length direction of the carbon fiber plate, the thickness of the first wedge-shaped channel gradually increases along the direction far away from the carbon fiber plate, one end of the carbon fiber plate extends into the first wedge-shaped channel, and first wedge blocks are symmetrically arranged on two sides of the carbon fiber plate in the first wedge-shaped channel;
the tensioning end anchor head comprises a tensioning anchor block, a second wedge-shaped channel is arranged in the tensioning anchor block along the length direction of the carbon fiber plate, and the thickness of the second wedge-shaped channel is gradually increased along the direction far away from the carbon fiber plate; the other end of the carbon fiber plate extends into the second wedge-shaped channel; and second wedge blocks are symmetrically arranged on two sides of the carbon fiber plate in the second wedge-shaped channel.
5. The carbon fiber plate anchor device according to claim 4, wherein the wall surface of the first wedge block jointed with the carbon fiber plate is uniformly provided with a first tooth-shaped structure; and second tooth-shaped structures are uniformly arranged on the wall surface, which is attached to the carbon fiber plate, of the second wedge block.
6. The carbon fiber plate anchor of claim 5, wherein the top surface of the tensioning end anchor block is provided with a structural reinforcement, the structural reinforcement comprises a vertically arranged reinforcement plate, and a diagonal bracing plate is fixedly arranged on one side of the reinforcement plate close to the carbon fiber plate.
7. The carbon fiber plate anchor device according to claim 6, wherein a fixing reinforcement is arranged on one side of the tensioning end anchor block close to the carbon fiber plate, the fixing reinforcement comprises a fixing plate fixedly connected with the tensioning end anchor block, and the fixing plate is hollow in the middle and fixed on the surface of the concrete through an anchor bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923648.7U CN212478635U (en) | 2020-05-27 | 2020-05-27 | Lightweight prestressing force carbon fiber plate ground tackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923648.7U CN212478635U (en) | 2020-05-27 | 2020-05-27 | Lightweight prestressing force carbon fiber plate ground tackle |
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| CN212478635U true CN212478635U (en) | 2021-02-05 |
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| CN202020923648.7U Active CN212478635U (en) | 2020-05-27 | 2020-05-27 | Lightweight prestressing force carbon fiber plate ground tackle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202323A (en) * | 2021-03-31 | 2021-08-03 | 河海大学 | Single-wedge-shaped-clamp-piece prestressed FRP plate tensioning and anchoring device and steel beam reinforcing method |
| CN113431365A (en) * | 2021-06-30 | 2021-09-24 | 中国建筑第八工程局有限公司 | Connecting structure of anchor device and member of FRP plate and using method of connecting structure |
-
2020
- 2020-05-27 CN CN202020923648.7U patent/CN212478635U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202323A (en) * | 2021-03-31 | 2021-08-03 | 河海大学 | Single-wedge-shaped-clamp-piece prestressed FRP plate tensioning and anchoring device and steel beam reinforcing method |
| CN113431365A (en) * | 2021-06-30 | 2021-09-24 | 中国建筑第八工程局有限公司 | Connecting structure of anchor device and member of FRP plate and using method of connecting structure |
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