CN106760591A - A kind of anchor for confined concrete models - Google Patents
A kind of anchor for confined concrete models Download PDFInfo
- Publication number
- CN106760591A CN106760591A CN201611010467.XA CN201611010467A CN106760591A CN 106760591 A CN106760591 A CN 106760591A CN 201611010467 A CN201611010467 A CN 201611010467A CN 106760591 A CN106760591 A CN 106760591A
- Authority
- CN
- China
- Prior art keywords
- anchor
- fiber cloth
- concrete
- anchor slab
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0225—Increasing or restoring the load-bearing capacity of building construction elements of circular building elements, e.g. by circular bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
- E04G2023/0262—Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The present invention provides a kind of anchor for confined concrete models, its anchor slab for including offering through hole and the fiber cloth being wrapped on the anchor slab, by the effect of the anchor slab and the power each other of the fiber cloth for being anchored, the fiber cloth bears the pressure perpendicular to the concrete column surface, it is pressed in the concrete column outer surface, and extra fastening force and frictional force is provided the fiber cloth that is anchored.Auto-lock anchorage by fiber cloth in anchor slab realizes the overlap joint power transmission between fiber cloth, solves the problems, such as that the fibrous material restrained reinforcement effect that fibre reinforced composites cause in reinforced column because adhesive softens even failure under high temperature action rapidly reduces even failure convenient and efficient.
Description
Technical field
The invention belongs to reinforced concrete structure technical field, and in particular to a kind of anchoring dress for confined concrete models
Put.
Background technology
Fibre reinforced composites (Fibre Reinforced Polymer, abbreviation FRP) because with high intensity, corrosion resistant
The advantages of erosion, lightweight, convenient construction, it is widely used in the reinforcing of concrete structure and other structures.Add in structure at present
Gu it is mainly in engineering in the form of the structural elements such as beam, plate, post surface is affixed on outside FRP to improve the carrying of structural elements
Power.
At present, after the method for FRP reinforcing construction structures typically uses the adhesive material wetting fibre cloth such as resin, glued
Structural elements surface is attached to, reinforcement and strengthening is carried out to structural elements.Wherein, the commonly used resin of FRP reinforcement techniques it is mostly inflammable,
Meltable macromolecular material.Numerous studies show that the FRP strenthening members not taken precautions against fire, when being heated or by fire, are set
Aliphatic radical body at a higher temperature will occur soften or decompose (such as the softening point range of common resins be 80~120 DEG C, if
There is no any safeguard measure and be fully exposed in the environment of hot-air, thermal oxide point will typically occur at 180~200 DEG C
Solution, and when temperature reaches 450 DEG C, epoxy resin can start burning, while discharging black smoke and toxic gas, produce secondary dirt
Dye), bonding failure destruction is susceptible in FRP overlapping parts, cause the bearing capacity of whole component reduces significantly.Above mentioned problem
One of main bugbear that building structure strengthening faces is used for by FRP.To solve the above problems, publication No. is CN 105715070
The patent of invention of A proposes to carry out press-in winding and entanglement treatment respectively by by the head end and tail end of carbon fiber strips, realizes certainly
Break adrift is consolidated, and, as binding material, carbon fiber strips are made under high temperature without using flammable inflammable adhesive, still can be right
Structural elements forms preferable effect of contraction.The mode of above-mentioned patent utilization fibrous ribbon auto-lock anchorage, solve adhesive and
Fiber-based material failed under the high temperature actions such as fire cause structural strengthening depression of bearing force and or failure problem；However,
There is certain difficulty in above-mentioned anchoring process, it is relatively complicated to be mainly manifested in actual mechanical process, and the method is only in application
Suitable for reinforcing the fibrous ribbon less situation of width used；It increases from anchor difficulty when fibrous ribbon is wider, from anchor
Decreased effectiveness.Publication No. proposes a kind of fiber-reinforced composite material of reinforced concrete structure for the patent of invention of CN104631853A
Material anchor, its principle is that anchor slab is rotated in reserved slotted eye after fiber cloth stress around certain orientation, makes anchor slab and slotted eye
Two side forms pressure and realizes auto-lock anchorage of the anchor slab in slotted eye, and the clearance position injection on anchor slab periphery is viscous in slotted eye
Knot fastener material, makes anchor slab be fixed in reserved slotted eye.Above-mentioned patent delays or avoids externally bonded FRP reinforcement reinforced concrete structure
Stripping damage, increased FRP material utilization rate, enhance the effect of externally bonded FRP reinforcement ruggedized construction, but what the device was mainly solved
It is anchorage problems of the FRP in concrete, unresolved fibre reinforced composites soap-free emulsion polymeization overlap joint problem each other, and master
It is applied in reinforced concrete beam.A kind of notification number parallel rod-type anchoring for the patent of invention of the B of CN 101949198 is proposed
Device, the device need not flexible sheet material be implemented to bond or suture simple and direct can be realized efficiently to the firm of tension flexible sheet material
Clamping, but it is anchorage problem of the fiber-reinforced plate in structural elements that the device also mainly solves, and unresolved fiber
The problem of enhancing composite soap-free emulsion polymeization overlap joint each other.The anchor of other fibre reinforced composites or anchoring side
Method (such as 101,929,250 101,929,253 101929254 B of B, CN of B, CN of A, CN of CN 105275219) there is also similar
Problem.
The content of the invention
Based on this, the present invention for fibre reinforced composites be used for building structure strengthening when in terms of high temperature resistant not
Foot, there is provided a kind of high-temperature fibre strengthens the anchor of composite constraining concrete column, enable fiber cloth in anchor slab from
The solid soap-free emulsion polymeization so as to realize fiber cloth of break adrift overlaps power transmission.According to actual demands of engineering, the anchor can realize standard
Change customization, construction and application are convenient.
The present invention provides a kind of anchor for confined concrete models, and the anchor includes offering through hole
Anchor slab and the fiber cloth being wrapped on the anchor slab, by the anchor slab and the work of the power each other of the fiber cloth for being anchored
With, the fiber cloth bears the pressure perpendicular to the concrete column surface, it is pressed in the concrete column outer surface, and
Fiber cloth to being anchored provides extra fastening force and frictional force.
Wherein in one embodiment, the anchor slab by it is easily processed into type and be unlikely to deform, resistant to elevated temperatures material is made.
Wherein in one embodiment, the fiber cloth passes through the through hole being arranged in the middle of the anchor slab, the institute of adjacent layer
State and opposite tractive force is subject between fiber cloth so that the fiber cloth is self-locking on the anchor slab.
Wherein in one embodiment, the fibrous material of the fiber cloth is carbon fiber, glass fibre, aramid fiber, profound
At least one or combination in military rock fiber.
Wherein in one embodiment, the concrete of the concrete column is regular tenacity concrete, high-strength concrete, swollen
Swollen concrete, flyash concrete, lightweight aggregate concrete, recovery aggregate concrete, fiber concrete, self-compacting concrete, rubber
One kind in glue concrete.
Wherein in one embodiment, the fiber cloth adhesive material for being anchored is pasted onto the concrete column table
Face, or, the fiber cloth is directly wound in the concrete column surface, is connect with the concrete column surface by endogenetic process
Touch.
Wherein in one embodiment, the fiber cloth vertical wrap for being anchored on the concrete column surface, or,
The fiber cloth for being anchored is spirally wrapped around the concrete column surface.
Wherein in one embodiment, the through hole distribution situation of the anchor slab is number of aperture m >=3 in side long, short side number of aperture n
≥1。
Wherein in one embodiment, the adhesive material for pasting the fiber cloth is resin, cement-based material, ECC
In one kind or combination.
Wherein in one embodiment, the concrete column radial direction winds accessory fibers cloth, for being in described in fixation
Fiber cloth of the spiral wound on concrete column surface.
Beneficial effects of the present invention are as follows：
1st, the auto-lock anchorage by fiber cloth in anchor slab realizes the overlap joint power transmission between fiber cloth, and convenient and efficient ground is solved
The fibrous material that fibre reinforced composites cause in reinforced column because adhesive softens under high temperature action even failure
Restrained reinforcement effect rapidly reduces the problem of even failure.The anchor slab material can for metallic plate, non-metal board, alloy or
Other can machine-shaping and on-deformable exotic material, can according to actual requirement of engineering realize standardization customization, with good
Good normability；Reinforcing operation involved by the art of this patent is simple, easy construction.
2nd, prestressing force is applied to fiber cloth to the auto-lock function of fiber cloth using the anchor slab, makes full use of fiber reinforcement
The high-strength performance of composite, improves structural strengthening efficiency.
3rd, the present invention may additionally facilitate application of the high-performance composite materials in civil engineering.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but embodiment in accompanying drawing is not constituted to any limit of the invention
System；
Fig. 1 is applied to the schematic diagram that FRP helix winds reinforced concrete column for anchor；
Fig. 2 is applied to the schematic diagram of FRP vertical wrap reinforced concrete columns for anchor；
Fig. 3 a reinforce the schematic diagram with radiused angle square column for anchor is applied to FRP constraint；
Fig. 3 b reinforce the schematic diagram with radiused angle rectangular column for anchor is applied to FRP constraint；
Fig. 3 c are applied to the schematic diagram that FRP constraint reinforces circular columns for anchor；
Fig. 3 d are applied to the schematic diagram that FRP constraint reinforces ovallized column for anchor；
Fig. 4 a are the structural representation of plane anchor slab；
Fig. 4 b are the sectional view of curved surface anchor slab；
Fig. 4 c are the plane anchor slab A-A profiles according to Fig. 4 a；
Fig. 5 is the plan of anchor slab perforate distribution；
Fig. 6 is the schematic diagram of anchor slab shape of through holes；
Fig. 7 is the profile of anchor slab perforate distribution；
Fig. 8 is the generalized section of anchor slab surface roughness；
Fig. 9 is that anchor slab surface wrap fiber cloth position is fluted or profile of un-grooved；
Figure 10 a are the reeded perspective view in anchor slab surface wrap fiber cloth position；
Figure 10 b are the perspective view of anchor slab surface wrap fiber cloth position un-grooved；
Figure 11 a are implementation schematic diagram of the fibre cloth winding around anchor slab once；
Figure 11 b are implementation schematic diagram of the fibre cloth winding around anchor slab twice；
Wherein：
1-fiber cloth；2-anchor slab；3-reinforced concrete column.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
As shown in Figure 1 and Figure 2, the present embodiment is related to a kind of anchor of high-temperature fibre enhancing composite constraining concrete column
It is fixedly mounted with and puts, including according to the fiber cloth 1 wound on the anchor slab 2 and anchor slab 2 of certain regular perforate, the anchor slab 2 is used for coagulation
Self-locking is carried out when earth pillar 3 is reinforced to fiber cloth 1 to fix or overlap.During construction, fiber cloth 1 is tensioned and anchor slab 2 is tensed in fact
Now preliminary self-locking is fixed；When concrete column 3 is subject to xial feed, because the transverse direction of the inner concrete material of concrete column 3 is swollen
It is swollen to produce further deformation, fiber cloth 1 and anchor slab 2 is produced tension seif-citing rate so as to be close on concrete column 3；Due to stress
Balance, can produce between anchor slab 2 and fiber cloth 1, between fiber cloth 1 and fiber cloth 1, between fiber cloth 1 and concrete column 3
Frictional force；Additionally, when anchor slab 2 is curved slab, anchor slab 2 will also produce the pressure of normal direction with the contact surface of concrete column 3, should
The presence of normal pressure can effectively increase above-mentioned frictional force, so as to form the auto-lock anchorage structure of stabilization.Above-mentioned anchoring dress
Put with good anchoring effect, fibre reinforced composites can be solved in reinforced column because adhesive material exists convenient and efficient
The problem for softening even failure under high temperature action and causing fibrous material restrained reinforcement effect rapidly to reduce or even fail；Described
Anchorage normability is good, can standardize customization；Anchor system has the advantages that construction is simple, easily operates, control, can be preferably
It is applied to actual building structure and other structural strengthenings.
The fibrous material of the fiber cloth 1 can be in carbon fiber, glass fibre, aramid fiber, basalt fibre
Plant or more than one combination；The concrete column 3 can be regular tenacity concrete, high-strength concrete, expansive concrete,
In flyash concrete, lightweight aggregate concrete, recovery aggregate concrete, fiber concrete, self-compacting concrete, rubber concrete
One kind；The material of the anchor slab 2 can be metallic plate, non-metal board, alloy or other can machine-shaping and on-deformable
Exotic material；Adhesive material for pasting fiber cloth 1 can be one kind or one kind in resin, cement-based material, ECC with
On combination.
The anchor can be arranged to multiple forms (as shown in Figure 1, 2) side by side, it is also possible to be arranged to one and cover
Cover the monolithic form of larger width；The anchor can be applied to FRP constraint square column (as shown in Figure 3 a), FRP constraint square
Shape post (as shown in Figure 3 b), FRP constraint circular columns (as shown in Figure 3 c) or FRP constraint ovallized column (as shown in Figure 3 d)；It is described
Anchor slab 2 can be curved slab (as shown in Figure 4 b), or surface plate (as illustrated in fig. 4 c).
The anchor slab 2, at least provided with 3 through holes, (is such as schemed along its short side direction along its long side direction at least provided with 1 through hole
Shown in 5).Consider the demand of actual production and construction simultaneously, the shape of the through hole can be circular, oval, with radiused
One kind (as shown in Figure 6) in square, the rectangle at angle.
During practice of construction, can be by increasing the number of openings (Fig. 5) and fiber cloth 1 the twining on anchor slab 2 of anchor slab 2
Around the mode of the number of turns (Figure 11), increase fiber cloth 1 and concrete column 3 or the contact area of anchor slab 2, so as to increase anchoring effect.
Referring to Fig. 7, the vias quantity k of anchor slab 2 can be that odd number can also be even number, during practice of construction, can
The length of external diameter and fiber cloth according to concrete column is reasonably selected.
The surface of the anchor slab 2 can be that plane, or the surface of anchor slab 2 are less than with the thickness of the contact site of fiber cloth 1
With the thickness (as shown in Fig. 9,10) of the not contact site of fiber cloth 1, after the depth of fluting is wound in anchor slab 2 according to fiber cloth 1
Depending on integral thickness, the depth of fluting is unsuitable excessive, in order to avoid influence anchoring effect.
In the present invention, implement above-mentioned anchor the step of it is as follows：
Fiber cloth 1 is wrapped in the position for being reinforced and being reinforced needed for post 3, two ends of fiber cloth 1 are wound in anchor slab 2
And tense, fiber cloth 1 is formed self-locking；Wait when necessary, the end of fiber cloth 1 can be wound repeatedly (such as on anchor slab 2
Shown in Figure 11).
Many details are elaborated in above description in order to fully understand the present invention, but, the present invention can be with
Other modes described here are different from using other to implement, it is thus impossible to be interpreted as limiting the scope of the invention.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of anchor for confined concrete models, it is characterised in that：The anchor includes offering through hole
Anchor slab and the fiber cloth being wrapped on the anchor slab, by the anchor slab and the work of the power each other of the fiber cloth for being anchored
With, the fiber cloth bears the pressure perpendicular to the concrete column surface, it is pressed in the concrete column outer surface, and
Fiber cloth to being anchored provides extra fastening force and frictional force.
2. anchor as claimed in claim 1, it is characterised in that：The anchor slab for it is easily processed into type and be unlikely to deform,
Resistant to elevated temperatures material is made.
3. anchor as claimed in claim 2, it is characterised in that：The fiber cloth is passed through and is arranged in the middle of the anchor slab
Through hole, is subject to opposite tractive force so that the fiber cloth is self-locking on the anchor slab between the fiber cloth of adjacent layer.
4. anchor as claimed in claim 1 or 2, it is characterised in that：The fibrous material of the fiber cloth is carbon fiber, glass
At least one or combination in glass fiber, aramid fiber, basalt fibre.
5. anchor as claimed in claim 1, it is characterised in that：The concrete of the concrete column is regular tenacity coagulation
Soil, high-strength concrete, expansive concrete, flyash concrete, lightweight aggregate concrete, reclaim aggregate concrete, fiber concrete,
One kind in self-compacting concrete, rubber concrete.
6. anchor as claimed in claim 1, it is characterised in that：The fiber cloth for being anchored is pasted onto with adhesive material
The concrete column surface, or, the fiber cloth is directly wound in the concrete column surface, by endogenetic process with it is described
Concrete column surface contacts.
7. anchor as claimed in claim 1, it is characterised in that：The fiber cloth vertical wrap for being anchored is described mixed
Solidifying earth pillar surface, or, the fiber cloth for being anchored is spirally wrapped around the concrete column surface.
8. anchor as claimed in claim 3, it is characterised in that：The through hole distribution situation of the anchor slab is side number of aperture long
M >=3, short side number of aperture n >=1.
9. anchor as claimed in claim 6, it is characterised in that：It is tree for pasting the adhesive material of the fiber cloth
One kind or combination in fat, cement-based material, ECC.
10. anchor as claimed in claim 7, it is characterised in that：The concrete column radial direction winds accessory fibers
Cloth, the fiber cloth for being spirally wrapped around concrete column surface described in fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010467.XA CN106760591A (en) | 2016-11-17 | 2016-11-17 | A kind of anchor for confined concrete models |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010467.XA CN106760591A (en) | 2016-11-17 | 2016-11-17 | A kind of anchor for confined concrete models |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106760591A true CN106760591A (en) | 2017-05-31 |
Family
ID=58968522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010467.XA Pending CN106760591A (en) | 2016-11-17 | 2016-11-17 | A kind of anchor for confined concrete models |
Country Status (1)
| Country | Link |
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| CN (1) | CN106760591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220178158A1 (en) * | 2020-12-07 | 2022-06-09 | Fuzhou University | Device and method for reinforcing round section wood beam by combination of prestressed frp sheet and high strength steel wire rope |
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|---|---|---|---|---|
| CA2463363A1 (en) * | 2004-04-07 | 2005-10-07 | David T. Lau | Anchorage system for structural reinforcement of fiber reinforced plastic materials and the like |
| CN101851985A (en) * | 2010-05-27 | 2010-10-06 | 卓清 | Articulated anchor and prestress tensioning method of high strength fibre composite sheet |
| CN101929494A (en) * | 2010-09-01 | 2010-12-29 | 中南大学 | Method for self-lock of flexible flaky material by turnstile |
| CN102121316A (en) * | 2011-01-12 | 2011-07-13 | 北京交通大学 | Construction method for reinforcing circular structures by pre-tensioned high-strength fiber cloth |
| CN201933696U (en) * | 2011-01-12 | 2011-08-17 | 北京交通大学 | High-strength fiber material self-locking anchor device |
| CN206737459U (en) * | 2016-11-17 | 2017-12-12 | 广东工业大学 | A kind of anchor for confined concrete models |
-
2016
- 2016-11-17 CN CN201611010467.XA patent/CN106760591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2463363A1 (en) * | 2004-04-07 | 2005-10-07 | David T. Lau | Anchorage system for structural reinforcement of fiber reinforced plastic materials and the like |
| CN101851985A (en) * | 2010-05-27 | 2010-10-06 | 卓清 | Articulated anchor and prestress tensioning method of high strength fibre composite sheet |
| CN101929494A (en) * | 2010-09-01 | 2010-12-29 | 中南大学 | Method for self-lock of flexible flaky material by turnstile |
| CN102121316A (en) * | 2011-01-12 | 2011-07-13 | 北京交通大学 | Construction method for reinforcing circular structures by pre-tensioned high-strength fiber cloth |
| CN201933696U (en) * | 2011-01-12 | 2011-08-17 | 北京交通大学 | High-strength fiber material self-locking anchor device |
| CN206737459U (en) * | 2016-11-17 | 2017-12-12 | 广东工业大学 | A kind of anchor for confined concrete models |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220178158A1 (en) * | 2020-12-07 | 2022-06-09 | Fuzhou University | Device and method for reinforcing round section wood beam by combination of prestressed frp sheet and high strength steel wire rope |
| US11674323B2 (en) * | 2020-12-07 | 2023-06-13 | Fuzhou University | Device and method for reinforcing round section wood beam by combination of prestressed FRP sheet and high strength steel wire rope |
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Effective date of registration: 20230920 Address after: 701, 702, No. 7 Cuiyu Street, Nansha District, Guangzhou City, Guangdong Province, 510500 Applicant after: GUANGDONG PROVINCIAL ARCHITECTURAL ENGINEERING MACHINERY CONSTRUCTION Co. Address before: 510062 Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong 729 Applicant before: GUANGDONG University OF TECHNOLOGY |