CN107304545A - A kind of combination set for anchoring and connecting for FRP muscle - Google Patents
A kind of combination set for anchoring and connecting for FRP muscle Download PDFInfo
- Publication number
- CN107304545A CN107304545A CN201610254162.7A CN201610254162A CN107304545A CN 107304545 A CN107304545 A CN 107304545A CN 201610254162 A CN201610254162 A CN 201610254162A CN 107304545 A CN107304545 A CN 107304545A
- Authority
- CN
- China
- Prior art keywords
- frp muscle
- sleeve pipe
- anchoring
- combination set
- fastening bolt
- 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
Links
- 210000003205 muscle Anatomy 0.000 title claims abstract description 74
- 238000004873 anchoring Methods 0.000 title claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 206010049816 Muscle tightness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000007586 pull-out test Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of combination set for anchoring and connecting for FRP muscle, this external member solves not pliable FRP muscle and connection, the defect of easy glide by machinery and the combination bonded, and FRP muscle can be achieved and is widely applied in engineering field.The combination set includes three primary structures, and structure is 1.：Sleeve pipe（1）, filling sleeve pipe binding agent（2）, the taper sheath that is arranged on inside sleeve pipe（3）, pad（4）, screw（5）；Structure is 2.：Fastening bolt（7）, the internal thread that is matched with FRP muscle screw threads is set（8）With fastening bolt（7）The nut matched（701）；Structure is 3.：The connecting tube that screw thread is set in FRP muscle is connected for each angle（702）.Three primary structures are collocated with each other to be connected available for FRP muscle with concrete substrate bonding-sliding test device loading end anchoring, FRP muscle, and the anchorage of prestressed FRP rebar is can also act as in addition.
Description
Technical field
The present invention relates to a kind of anchoring of FRP muscle and connection combination set.FRP muscle and concrete substrate bonding-sliding test device loading end anchoring, the connection of FRP muscle are can apply to, the anchorage of prestressed FRP rebar is can function as in addition, belongs to the engineering fields such as building, bridge.
Background technology
Fiber-reinforced composite muscle（FRP muscle）Because its high-strength light, it is corrosion-resistant the advantages of, since the advent of the world has obtained extensive approval and application in field of civil engineering, and is increasingly becoming the focus of the area research.With《Fibre reinforced composites construction project application technology specification》Etc. the issue and implementation of related specifications, FRP muscle has obtained further genralrlization and application in concrete structure engineering field.
The production technology of FRP muscle is mainly formed by the matrix material pultrusion such as fiber reinforcement unsaturated polyester, epoxy resin and phenolic resin, with thermosetting.Easily decomposed because thermo set matrix material molecular structure is heated, and FRP muscle shearing strengths are low, matter itself is crisp, so fiber cutting and stress concentration phenomenon easily occur after the bending of thermosetting FRP muscle, can not arbitrarily change its shape after shaping.Therefore when being processed into the finished product that various constructions need there is bottleneck in FRP muscle, connection, the anchoring of such as FRP muscle, and this is accomplished by some special fixtures and anchorage.
The connected mode of current fiber bar has：1st, it is attached using the binding agent such as filling resin, cement mortar in sleeve pipe, but effect is not good from Practical Project, and the sliding of FRP muscle is serious；2nd, connected using overlap joint, but which should not be used in component tensile zone；3rd, using mechanical intermediate plate type anchorage, but due at intermediate plate stress it is larger, easily cause the local fiber failure by shear of FRP muscle.
So far, the bending production technology of FRP muscle mainly uses hand molding, but is constrained to that low mechanization degree, production cycle length, quality are unstable, fails the breakthrough for having matter always.
The content of the invention
There is provided a kind of combination set for FRP muscle end anchorages for defect of the invention based on above-mentioned technology.The external member can be used for FRP muscle and concrete substrate bonding-sliding test device loading end anchoring, the connection of FRP muscle, bend various angles, and the anchorage of prestressed FRP rebar is can function as in addition.
The present invention includes three primary structures：Different angle connecting tubes, fastening bolt, the sleeve pipe with taper sheath.
The connecting tube of the different angles can be applied to the simple connection of two or more FRP muscle, and angle can be set to 180 °, 135 °, 90 °, any angles such as 45 ° according to requirement of engineering.
The fastening bolt can be applied to the anchoring of concrete structural reinforcement.
The fastening bolt and taper are used cooperatively, and can be applied to slide the loading end anchoring of adhesion test, the anchorage of prestressed structure is applied also in addition.
Its primary structure can use metal material, high-molecular compound material, while can also be formed with fibre reinforced composites processing and fabricating.Binding agent includes but is not limited to epoxide-resin glue used in external member.
Beneficial effect：Compared with prior art, the invention provides effective way for the application and popularization of FRP muscle in engineering field.Technical scheme has advantages below：
1st, the problem of solving FRP muscle tension easy glides.
The cone angle of taper sheath is 3 ° ~ 5 °, and appropriate anchorage length is determined according to the difference of binding material, then toward injection epoxy adhesive inside sleeve pipe（Note FRP muscle in sleeve pipe in）.One is connected provided with the fastening bolt with the internal thread of FRP muscle Texture Matchings in sleeve pipe left end, for being engaged FRP muscle, fastening bolt internal diameter is than big 3mm of FRP muscle diameters or so, it is therefore intended that convenient FRP muscle and injection binding agent with the gauze wrapped nut fastening part for being moistened with binding agent.So both avoided occurring sliding rupture, damage will not be also caused to FRP muscle.
2nd, solve FRP muscle not pliable anchoring the problem of.
The combination set can cause this kind of thermosets of FRP muscle after shaping, can bend any angle, the finished product needed for construction be made, such as FRP stirrups, FRP bend up muscle.
3rd, the FRP muscle connectivity problems of concrete structure are solved.
According to the demand of design, FRP muscle needs connection, when fastening bolt and 180 ° of angle connecting tubes are used cooperatively, the effect with regard to that can reach the connection of FRP muscle, and easy construction.
Brief description of the drawings
Fig. 1：External member primary structure schematic diagram.
Fig. 2：FRP muscle pull-out test loading end anchor schematic diagrames.
Fig. 3：90 ° of attachment means schematic diagrames of FRP muscle.
Fig. 4：135 ° of attachment means schematic diagrames of FRP muscle.
Fig. 5：180 ° of attachment means schematic diagrames of FRP muscle.
Fig. 6：FRP muscle anchor body is the schematic diagram of nut.
Fig. 7：FRP muscle anchor body is the schematic diagram of anchor slab.
Fig. 8：A-A diagrammatic cross-sections.
Fig. 9：B-B diagrammatic cross-sections.
There is critical piece in schematic diagram：Sleeve pipe（1）, filling sleeve pipe binding agent（2）, the taper sheath that is arranged on inside sleeve pipe（3）, pad（4）, screw（5）, FRP muscle（6）, fastening bolt（7）With fastening bolt（7）The nut matched（701）, connected for multi-angle the connecting tube of screw thread set in FRP muscle（702）And anchor slab（703）.
Embodiment
With reference to the accompanying drawings, the present invention is described in detail as follows.
Embodiment 1
As shown in Fig. 2 FRP muscle（6）The combination set of end anchorage, including a sleeve pipe（1）, filling sleeve pipe binding agent（2）, the taper sheath that is arranged on inside sleeve pipe（3）, pad（4）, screw（5）, FRP muscle（6）, fastening bolt（7）With fastening bolt（7）The nut matched（701）.
FRP muscle（6）With taper sheath（3）Bond, taper sheath left end is provided with the line of rabbet joint, FRP muscle（6）Need to stretch out a segment distance toward left end more, then put it into sleeve pipe（1）, and cover pad（4）, use screw（5）It is fixed, the binding agent adapted to is injected toward sleeve pipe（2）, it is to be dried until fill whole device, then by fastening bolt（7）It is screwed into FRP muscle（6）, use nut（701）Fastening, now notes the FRP muscle at screw thread（6）2 ~ 3 layers of gauze wrapped for being moistened with binding agent should be used, then twists nut（701）, prevent FRP muscle（6）Damage.
Embodiment 2
As shown in Fig. 3, Fig. 4, Fig. 5, FRP muscle（6）Multi-angle attachment means, including fastening bolt（7）, for multi-angle connect FRP muscle（6）In set the connecting tube of screw thread（702）.
By FRP muscle（6）It is screwed into two fastening bolts（7）, then with multi-angle connect FRP muscle（6）In set the connecting tube of screw thread（702）Anchoring is tightened, the FRP muscle at fastening is now noted（6）Should be with being moistened with 2 ~ 3 layers of the gauze wrapped of binding agent, then it is screwed into connecting tube two ends.
Embodiment 3
As shown in Figure 6 and Figure 7, concrete structure FRP muscle（6）Anchor, including fastening bolt（7）, nut（701）Or anchor slab（703）.
In concrete structure, FRP muscle is provided with（6）, its anchorage style can just use anchor body for nut（701）Or anchor slab（703）Anchorage style.FRP muscle（6）It is inserted in fastening bolt（7）, use nut（701）Or anchor slab（703）The mode of fastening reaches optimal anchoring effect.
Claims (9)
1. a kind of combination set for anchoring and connecting for FRP muscle, it is characterised in that：Including a kind of 1. anchoring combination set for FRP muscle and concrete substrate bonding-sliding test loading end；2. it is a kind of for the connection of FRP muscle, the combination set bent；3. it is a kind of to be used for the combination set of FRP muscle anchoring at concrete structure node.
2. a kind of anchoring combination set for FRP muscle and concrete substrate bonding-sliding test loading end according to claim 1, it is characterised in that：The combination set includes sleeve pipe（1）, filling sleeve pipe binding agent（2）, the taper sheath that is arranged on inside sleeve pipe（3）, pad（4）, screw（5）, fastening bolt（7）, the internal thread that is matched with FRP muscle screw threads is set（8）With fastening bolt（7）The nut matched（701）.
3. the binding agent of filling sleeve pipe according to claim 2（2）, including but not limited to epoxide-resin glue.
4. the taper sheath according to claim 2 being arranged on inside sleeve pipe（3）, the number of degrees of cone angle are 3 ° ~ 5 °.
5. the taper sheath according to claim 2 being arranged on inside sleeve pipe（3）, taper sheath left end is provided with the line of rabbet joint.
6. a kind of combination set for connecting, bending for FRP muscle according to claim 1, it is characterised in that：The combination set includes fastening bolt（7）, the internal thread that is matched with FRP muscle screw threads is set（8）, connected for multi-angle the connecting tube of screw thread set in FRP muscle（702）.
7. multi-angle connecting tube according to claim 6（702）, 180 °, 135 °, the connecting tubes at any angle such as 90 ° can be prefabricated into.
8. a kind of combination set for FRP muscle anchoring at concrete structure node according to claim 1, it is characterised in that：Including fastening bolt（7）, the internal thread that is matched with FRP muscle screw threads is set（8）With fastening bolt（7）The nut matched（701）.
9. according to claim 8 and fastening bolt（7）The nut matched（701）, alternatively reach optimal anchoring effect into anchor slab or anchor pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254162.7A CN107304545A (en) | 2016-04-23 | 2016-04-23 | A kind of combination set for anchoring and connecting for FRP muscle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254162.7A CN107304545A (en) | 2016-04-23 | 2016-04-23 | A kind of combination set for anchoring and connecting for FRP muscle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107304545A true CN107304545A (en) | 2017-10-31 |
Family
ID=60151885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254162.7A Pending CN107304545A (en) | 2016-04-23 | 2016-04-23 | A kind of combination set for anchoring and connecting for FRP muscle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107304545A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916754A (en) * | 2017-12-23 | 2018-04-17 | 中冶建筑研究总院有限公司 | A kind of connection of FRP material and anchor and method |
| CN108035492A (en) * | 2017-12-29 | 2018-05-15 | 扬州大学 | A kind of new FRP tendons crotch anchoring process |
| CN109098356A (en) * | 2018-09-13 | 2018-12-28 | 东南大学 | For the sleeve of SFCB, connection method and anchoring process |
| CN110761492A (en) * | 2019-10-28 | 2020-02-07 | 长安大学 | FRP rib bending connection device for construction site and preparation method of bending FRP rib component |
| CN111024491A (en) * | 2019-12-06 | 2020-04-17 | 东南大学 | Smooth FRP bar anchoring method |
| CN111877643A (en) * | 2020-08-04 | 2020-11-03 | 长安大学 | Prefabricated on-site bending forming connecting device, FRP rib bending forming method and FRP rib material |
| CN115726599A (en) * | 2022-12-06 | 2023-03-03 | 江苏海洋大学 | Method for additionally arranging masonry wall constructional column by embedding fiber rod |
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| CN101117838A (en) * | 2007-07-04 | 2008-02-06 | 湖南大学 | Bond type anchorage and anchoring method for anchoring fibre reinforced plastic reinforcement or bracing cable |
| CN201087507Y (en) * | 2007-08-16 | 2008-07-16 | 同济大学 | Pre-stress fabric plastic rib group anchor |
| CN101603354A (en) * | 2009-06-26 | 2009-12-16 | 湖南大学 | A kind of bond type anchorage and anchoring process that is used for anchoring fiber reinforced plastic twisted strands muscle or drag-line |
| CN102747812A (en) * | 2012-07-06 | 2012-10-24 | 宁波大学 | Fiber reinforced composite rib/ cable anchorage |
| CN103541514A (en) * | 2013-10-22 | 2014-01-29 | 张涛涛 | Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars |
| CN203559525U (en) * | 2013-10-22 | 2014-04-23 | 张涛涛 | Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection |
| CN204960139U (en) * | 2015-09-01 | 2016-01-13 | 上海大学 | Prestressing force FRP muscle stretch -draw anchor |
-
2016
- 2016-04-23 CN CN201610254162.7A patent/CN107304545A/en active Pending
Patent Citations (7)
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| CN101117838A (en) * | 2007-07-04 | 2008-02-06 | 湖南大学 | Bond type anchorage and anchoring method for anchoring fibre reinforced plastic reinforcement or bracing cable |
| CN201087507Y (en) * | 2007-08-16 | 2008-07-16 | 同济大学 | Pre-stress fabric plastic rib group anchor |
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| CN203559525U (en) * | 2013-10-22 | 2014-04-23 | 张涛涛 | Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection |
| CN204960139U (en) * | 2015-09-01 | 2016-01-13 | 上海大学 | Prestressing force FRP muscle stretch -draw anchor |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916754A (en) * | 2017-12-23 | 2018-04-17 | 中冶建筑研究总院有限公司 | A kind of connection of FRP material and anchor and method |
| CN108035492A (en) * | 2017-12-29 | 2018-05-15 | 扬州大学 | A kind of new FRP tendons crotch anchoring process |
| CN109098356A (en) * | 2018-09-13 | 2018-12-28 | 东南大学 | For the sleeve of SFCB, connection method and anchoring process |
| CN110761492A (en) * | 2019-10-28 | 2020-02-07 | 长安大学 | FRP rib bending connection device for construction site and preparation method of bending FRP rib component |
| CN110761492B (en) * | 2019-10-28 | 2021-10-22 | 长安大学 | FRP rib bending connection device for construction site and preparation method of bending FRP rib component |
| CN111024491A (en) * | 2019-12-06 | 2020-04-17 | 东南大学 | Smooth FRP bar anchoring method |
| CN111024491B (en) * | 2019-12-06 | 2023-02-24 | 东南大学 | Smooth FRP bar anchoring method |
| CN111877643A (en) * | 2020-08-04 | 2020-11-03 | 长安大学 | Prefabricated on-site bending forming connecting device, FRP rib bending forming method and FRP rib material |
| CN111877643B (en) * | 2020-08-04 | 2021-10-08 | 长安大学 | Prefabricated on-site bending forming connecting device, FRP rib bending forming method and FRP rib material |
| CN115726599A (en) * | 2022-12-06 | 2023-03-03 | 江苏海洋大学 | Method for additionally arranging masonry wall constructional column by embedding fiber rod |
| CN115726599B (en) * | 2022-12-06 | 2023-09-08 | 江苏海洋大学 | Method for adding masonry wall constructional column by using embedded fiber rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171031 |
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| RJ01 | Rejection of invention patent application after publication |