CN101078286A - Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline - Google Patents
Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline Download PDFInfo
- Publication number
- CN101078286A CN101078286A CN 200710035275 CN200710035275A CN101078286A CN 101078286 A CN101078286 A CN 101078286A CN 200710035275 CN200710035275 CN 200710035275 CN 200710035275 A CN200710035275 A CN 200710035275A CN 101078286 A CN101078286 A CN 101078286A
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- Prior art keywords
- drag
- porous
- reinforced plastic
- line
- sleeve
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- 238000004873 anchoring Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 title abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 34
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 34
- 210000003205 muscle Anatomy 0.000 claims description 24
- 239000002990 reinforced plastic Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a composite anchorage for anchoring multiple fiber reinforcement plastic ribs or cables. One end of its porous anchor cup is connected with one end port of sleeve. There is porous constraint device at the other end of sleeve, which has fill insulation orifice and discharge port connected with the cone cavity. The smaller end of cone cavity is located at the end where the porous constraint device is set. Nuts are set round the sleeve. Multiple fiber reinforcement plastic ribs or cables pass through relative through holes on the porous constraint device respectively and ends are all set between two involutive clips and are compressed into cone holes of porous anchor cup. Said each rib or cable passes through the porous constraint device and thin-walled aluminum sleeve are mated on it at the location of clip. Sealing ring is set between the end of through hole with smaller diameter and corresponding rib or cable and reactive powder concrete is filled in the cone cavity of sleeve. It conquers the problem of earlier failure because of stress concentration. It can anchor multiple fiber reinforcement plastic ribs or cables. It is provided with compact structure, convenient usage, safety and reliability, and big anchoring force.
Description
Technical field
The present invention relates to structure technology, specifically be meant the composite anchorage of a kind of anchoring fibre reinforced plastic reinforcement or drag-line.
Background technology
Fibre reinforced plastics (FRP) are a kind of typical horizontal sight isotropic materials, it is horizontal and longitudinal strength is smaller, traditional strand tapered anchorage will no longer be applicable to the FRP muscle, otherwise will cause the ground tackle assembly to cause generation initial failure in the anchorage zone because stress is concentrated owing to its transverse strength is low excessively.
Summary of the invention
The objective of the invention is, defective at the prior art existence, a kind of composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line is proposed, its optimized integration design feature of strand tapered anchorage and bond type anchorage, it can overcome existing ground tackle causes problem that initial failure takes place and effectively anchoring plurality of fibers reinforced plastic muscle or drag-line in the anchorage zone because stress is concentrated, and compact conformation, easy to use, safe and reliable.
Technical scheme of the present invention is, the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line, comprise the porous anchor cup that has a plurality of band tapering through holes, its design feature is, one end of this porous anchor cup is connected with sleeve one end port and the more small-bore end of described band tapering through hole is positioned at this link of anchor cup, cylindrical shell two that its other end is equipped with the described sleeve of porous restraint device is respectively equipped with fill orifice and the steam vent that is communicated with conical cavity in the cylindrical shell, the less end of described conical cavity is positioned at the end that sleeve is equipped with described porous restraint device, described sleeve periphery is provided with external screw thread and nut is housed, plurality of fibers reinforced plastic muscle or drag-line pass through hole corresponding on the porous restraint device respectively, and an end of every fiber reinforced plastic rod or drag-line all places between two involutory band tapering arc clips and is pressed into porous anchor cup is with the tapering through hole accordingly, the through hole that described every fiber reinforced plastic rod or drag-line pass described hole restraint device is with the Thin-walled Aluminum sleeve pipe respectively with the position that is positioned at described intermediate plate, be provided with sealing ring between the more small-bore end of band tapering through hole of porous anchor cup and respective fiber reinforced plastic muscle or the drag-line, be full of the RPC of injecting by described fill orifice in the conical cavity of sleeve.
Below the present invention made further specify.
Referring to Fig. 1, composite anchorage of the present invention comprises the porous anchor cup 5 that has a plurality of band tapering through holes 14, its design feature is, one end of this porous anchor cup 5 is connected with sleeve 11 1 end ports and the more small-bore end of described band tapering through hole 14 is positioned at this link of anchor cup 5, cylindrical shell two that its other end is equipped with the described sleeve 11 of porous restraint device 13 is respectively equipped with fill orifice 7 and the steam vent 12 that is communicated with conical cavity 16 in the cylindrical shell, described conical cavity 16 less ends are positioned at the end that sleeve 11 is equipped with described porous restraint device 13, described sleeve 11 peripheries are provided with external screw thread and nut 10 are housed, plurality of fibers reinforced plastic muscle or drag-line 9 pass through hole 15 corresponding on the porous restraint device 13 respectively, and an end of every fiber reinforced plastic rod or drag-line 9 all places between two involutory band tapering arc clips 4 and is pressed into porous anchor cup 5 corresponding band tapering through holes 14, the through hole 15 that described every fiber reinforced plastic rod or drag-line 9 pass described porous restraint device 13 is with Thin-walled Aluminum sleeve pipe 3 respectively with the position that is positioned at described band tapering arc clip 4, be provided with sealing ring 6 between the band tapering through hole 14 more small-bore ends of porous anchor cup 5 and respective fiber reinforced plastic muscle or the drag-line 9, be full of the RPC of injecting by described fill orifice 78 in the conical cavity 16 of sleeve 11.
When reality is used; being with fibre reinforced plastics (FRP) muscle of Thin-walled Aluminum sleeve pipe 3 or drag-line 9 is clipped in the folder muscle hole (i.e. the arc through slot 17 involutory structures that become of two intermediate plates) between the intermediate plate 4; and the intermediate plate that will accompany fiber reinforced plastic rod or drag-line is pressed in the band tapering through hole 14 of porous anchor cup 5; carry out pre-stretch-draw; again sleeve 11 and porous anchor cup 5 are linked together; put described sealing ring 6 again; porous restraint device 13 is installed; pour into cementing medium RPC 8 (RPC) to the conical cavity 16 of sleeve 11 from fill orifice 7; till steam vent 12 overflows; and installation locking device 2; cover top nut 10; anchor on the structure, load onto protective cover 1 at last.
The present invention is cascaded and is formed by intermediate plate anchor and bonding anchor by selecting excellent.The intermediate plate anchor is made up of described porous anchor cup 5, band tapering arc clip 4 and Thin-walled Aluminum sleeve pipe 3 etc., the bonding anchor is made up of sleeve 11, RPC (RPC) 8, porous restraint device 13 etc., and it is by common anchoring fibre reinforced plastic reinforcement of the chucking power of the bond stress of cementing medium and intermediate plate or drag-line.Its anchoring principle is, when using jack tension fiber reinforced plastic rod or drag-line, the fiber reinforced plastic rod of loading end or drag-line produce the trend of axial slip, cause and produce fiber reinforced plastic rod or the adhesion stress of drag-line and cementing medium and the frictional force of fiber reinforced plastic rod or drag-line and intermediate plate, resist the stretching force of fiber reinforced plastic rod or drag-line jointly, reach the purpose of anchoring fibre reinforced plastic reinforcement or drag-line; It makes intermediate plate anchor and bonding anchor common anchoring FRP muscle or drag-line along with the increase of stretching force.
As known from the above, the present invention is a kind of composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line, its optimized integration design feature of strand tapered anchorage and bond type anchorage, overcome existing ground tackle in the anchorage zone because stress is concentrated the problem that initial failure takes place that causes, effectively anchoring plurality of fibers reinforced plastic muscle or drag-line, and compact conformation, easy to use, safe and reliable, anchored force is big.
Description of drawings
Fig. 1 is an embodiment of the present invention sectional structure schematic diagram;
Fig. 2 is a kind of embodiment sectional structure schematic diagram of porous anchor cup;
Fig. 3 is that the A-A of Fig. 2 is to view;
Fig. 4 is the B-B view of Fig. 2;
A kind of embodiment master's TV structure schematic diagram that Fig. 5 shows for intermediate plate;
Fig. 6 is a kind of embodiment sectional structure schematic diagram of porous restraint device;
Fig. 7 is that the C-C of Fig. 6 is to view.
In above-mentioned accompanying drawing:
The 1-protective cover, the 2-locking device, 3-Thin-walled Aluminum sleeve pipe,
4-band tapering arc clip, 5-porous anchor cup, the 6-sealing ring,
The 7-can-filling hole, the 8-RPC, the 10-nut,
9-fiber reinforced plastic rod or drag-line, the 11-sleeve,
The 12-steam vent, 13-porous restraint device, 14-band tapering through hole,
The 15-through hole, the 16-conical cavity, 17-arc through slot,
The 18-groove.
The specific embodiment
Referring to Fig. 1, composite anchorage of the present invention comprises the porous anchor cup 5 that has a plurality of band tapering through holes 14, one end of this porous anchor cup 5 is connected with the sleeve 11 1 end ports of steel and the more small-bore end of described band tapering through hole 14 is positioned at this link of anchor cup 5, cylindrical shell two that its other end is equipped with the described sleeve 11 of porous restraint device 13 is respectively equipped with fill orifice 7 and the steam vent 12 that is communicated with conical cavity 16 in the cylindrical shell, described conical cavity 16 less ends are positioned at the end that sleeve 11 is equipped with described porous restraint device 13, described sleeve 11 peripheries are provided with external screw thread and nut 10 are housed, plurality of fibers reinforced plastic muscle or drag-line 9 pass through hole 15 corresponding on the porous restraint device 13 respectively, and an end of every fiber reinforced plastic rod or drag-line 9 all places between two involutory band tapering arc clips 4 and is pressed into porous anchor cup 5 corresponding band tapering through holes 14, the through hole 15 that described every fiber reinforced plastic rod or drag-line 9 pass described porous restraint device 13 is with Thin-walled Aluminum sleeve pipe 3 respectively with the position that is positioned at described band tapering arc clip 4, be provided with sealing ring 6 between the band tapering through hole 14 more small-bore ends of porous anchor cup 5 and respective fiber reinforced plastic muscle or the drag-line 9, be full of the RPC of injecting by described fill orifice 78 in the conical cavity 16 of sleeve 11.
Concentrate for fear of fiber reinforced plastic rod or drag-line 9 stress, as shown in Figure 6, also the through hole 15 of described porous restraint device 13 can be designed to the horn mouth structure of its two ends bore greater than this through hole internal diameter.
As shown in Figure 5, place porous anchor cup 5 respectively can separately to form to symmetry by the cylinder axis of a band tapering, and offer arc through slot 17 thereon corresponding to described fiber reinforced plastic rod or drag-line periphery curvature with two of tapering through hole 14 involutory band tapering arc clips 4; Also can in described arc through slot, offer multiple tracks radial groove 18, to increase its chucking power.
As shown in Figure 1, also can be in the outer end of described porous anchor cup 5 (being the end of its band tapering through hole 14) with locking device 2 of securing member connection than large port, this locking device 2 is a plate, the internal diameter that has a plurality of through holes and described through hole on it, so can allow the termination of described fiber reinforced plastic rod or drag-line be stretched out by described through hole and stops described intermediate plate face to withdraw from from corresponding tapering through hole 14 less than the diameter than large port of the band tapering through hole 14 of porous anchor cup 5 greater than the diameter of described fiber reinforced plastic rod or drag-line.
As shown in Figure 1, also can be at the outer setting protective cover 1 of described porous anchor cup 5, this protective cover 1 can be fixedly connected with described nut 10 with securing member.
It is consistent or similar that the quantity of a plurality of band tapering through holes 14 of described porous anchor cup 5 and a plurality of through holes 15 of porous restraint device 13, a plurality of through holes on the locking device 2 and distribution form are preferably.
Claims (6)
1, a kind of composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line, comprise the porous anchor cup (5) that has a plurality of band tapering through holes (14), it is characterized in that, same sleeve (11) the one end ports of one end of this porous anchor cup (5) are connected and the more small-bore end of described band tapering through hole (14) is positioned at this link of anchor cup (5), cylindrical shell two that its other end is equipped with the described sleeve (11) of porous restraint device (13) is respectively equipped with fill orifice (7) and the steam vent (12) that is communicated with conical cavity (16) in the cylindrical shell, the less end of described conical cavity (16) is positioned at the end that sleeve (11) is equipped with described porous restraint device (13), described sleeve (11) periphery is provided with external screw thread and nut (10) is housed, plurality of fibers reinforced plastic muscle or drag-line (9) pass porous restraint device (13) respectively and go up corresponding through hole (15), and an end of every fiber reinforced plastic rod or drag-line (9) all places between two involutory band tapering arc clips (4) and is pressed into porous anchor cup (5) is with tapering through hole (14) accordingly, the position that described every fiber reinforced plastic rod or drag-line (9) pass the through hole (15) of described porous restraint device (13) and be positioned at described band tapering arc clip (4) is with Thin-walled Aluminum sleeve pipe (3) respectively, be provided with sealing ring (6) between the more small-bore end of band tapering through hole (14) of porous anchor cup (5) and respective fiber reinforced plastic muscle or the drag-line (9), be full of the RPC of injecting by described fill orifice (7) (8) in the conical cavity (16) of sleeve (11).
According to the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line of claim 1, it is characterized in that 2, the through hole (15) of described porous restraint device (13) is the horn mouth structure of its two ends bore greater than this through hole internal diameter.
3, according to the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line of claim 1, it is characterized in that, described two involutory band tapering arc clips (4) are separately formed to symmetry by the cylinder axis of a band tapering, and offer the arc through slot (17) corresponding to described fiber reinforced plastic rod or drag-line periphery curvature thereon.
4, according to the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line of claim 3, it is characterized in that, in the arc through slot (17) of described band tapering arc clip (4), offer multiple tracks radial groove (18).
5, according to the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line of claim 1, it is characterized in that, at the outer end of described porous anchor cup (a 5) securing member locking device of connection (2), this locking device (2) is a plate, the internal diameter that has a plurality of through holes and described through hole on it greater than the diameter of described fiber reinforced plastic rod or drag-line less than the diameter than large port of the band tapering through hole (14) of porous anchor cup (5).
According to the described composite anchorage that is used for anchoring plurality of fibers reinforced plastic muscle or drag-line of claim 1, it is characterized in that 6, at the outer setting protective cover (1) of described porous anchor cup (5), this protective cover (1) is fixedly connected with described nut (10) with securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710035275A CN101078286B (en) | 2007-07-04 | 2007-07-04 | Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710035275A CN101078286B (en) | 2007-07-04 | 2007-07-04 | Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101078286A true CN101078286A (en) | 2007-11-28 |
| CN101078286B CN101078286B (en) | 2010-05-19 |
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ID=38905925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710035275A Expired - Fee Related CN101078286B (en) | 2007-07-04 | 2007-07-04 | Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101078286B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102159768A (en) * | 2008-06-12 | 2011-08-17 | 犹他大学研究基金会 | Anchoring, splicing and tensioning elongated reinforcement members |
| CN102251474A (en) * | 2011-04-27 | 2011-11-23 | 南通大学 | Frictional anchorage device applied to fibre reinforced composite cables |
| CN102392422A (en) * | 2011-11-26 | 2012-03-28 | 广州大学 | Reinforcement structure of single-cable-plane cable-stayed bridge |
| CN102425163A (en) * | 2011-09-12 | 2012-04-25 | 柳州欧维姆机械股份有限公司 | Distributed anchoring system for prestressed carbon fiber stranded wires and installation method thereof |
| CN102535336A (en) * | 2012-03-16 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Composite prestressed bar finished guy cable and manufacturing method thereof |
| CN102747811A (en) * | 2012-07-06 | 2012-10-24 | 宁波大学 | Carbon fiber reinforced polymer rope anchor |
| CN104612053A (en) * | 2015-02-11 | 2015-05-13 | 东南大学 | FRP (fiber reinforced plastic) tendon-bundle hybrid sling structure with warning function |
| CN105672312A (en) * | 2016-03-25 | 2016-06-15 | 中国京冶工程技术有限公司 | Cabin type anchor device made of fiber reinforced composite material and construction method |
| CN106192754A (en) * | 2016-08-29 | 2016-12-07 | 智性纤维复合加固南通有限公司 | A kind of FRP inhaul cable anchorage and preparation method thereof |
| CN106522472A (en) * | 2016-12-14 | 2017-03-22 | 长安大学 | Sliding self-locking CFRP rib anchor device and mounting method thereof |
| CN106968246A (en) * | 2017-03-16 | 2017-07-21 | 长安大学 | A kind of composite anchorage for FRP muscle |
| CN107090771A (en) * | 2017-04-19 | 2017-08-25 | 柳州市邱姆预应力机械有限公司 | Separate type hot-cast anchor rope and preparation method |
| CN109853860A (en) * | 2019-01-31 | 2019-06-07 | 上海易拼利联建筑科技有限责任公司 | A kind of deviation rod piece elastomeric composition anchoring ring flexural pivot steering connector |
| CN110725547A (en) * | 2019-10-17 | 2020-01-24 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN112211348A (en) * | 2020-09-10 | 2021-01-12 | 湖南联智智能科技有限公司 | Steel strand wires smooth silk protector |
| CN115370073A (en) * | 2022-08-15 | 2022-11-22 | 中国建筑第八工程局有限公司 | Clamping piece-bonding combined type anchorage device for anchoring carbon fiber bars |
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| CN102002911B (en) * | 2010-11-10 | 2012-07-11 | 中交公路规划设计院有限公司 | Carbon fiber cable strand inner sleeve conical bonded anchorage device |
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2007
- 2007-07-04 CN CN200710035275A patent/CN101078286B/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102159768A (en) * | 2008-06-12 | 2011-08-17 | 犹他大学研究基金会 | Anchoring, splicing and tensioning elongated reinforcement members |
| CN102251474B (en) * | 2011-04-27 | 2012-12-05 | 南通大学 | Frictional anchorage device applied to fibre reinforced composite cables |
| CN102251474A (en) * | 2011-04-27 | 2011-11-23 | 南通大学 | Frictional anchorage device applied to fibre reinforced composite cables |
| CN102425163A (en) * | 2011-09-12 | 2012-04-25 | 柳州欧维姆机械股份有限公司 | Distributed anchoring system for prestressed carbon fiber stranded wires and installation method thereof |
| CN102425163B (en) * | 2011-09-12 | 2014-05-07 | 柳州欧维姆机械股份有限公司 | Distributed anchoring system for prestressed carbon fiber stranded wires and installation method thereof |
| CN102392422B (en) * | 2011-11-26 | 2013-04-24 | 广州大学 | Reinforcement structure of single-cable-plane cable-stayed bridge |
| CN102392422A (en) * | 2011-11-26 | 2012-03-28 | 广州大学 | Reinforcement structure of single-cable-plane cable-stayed bridge |
| CN102535336A (en) * | 2012-03-16 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Composite prestressed bar finished guy cable and manufacturing method thereof |
| CN102535336B (en) * | 2012-03-16 | 2014-07-02 | 柳州欧维姆机械股份有限公司 | Composite prestressed bar finished guy cable and manufacturing method thereof |
| CN102747811A (en) * | 2012-07-06 | 2012-10-24 | 宁波大学 | Carbon fiber reinforced polymer rope anchor |
| CN102747811B (en) * | 2012-07-06 | 2015-03-11 | 宁波大学 | Carbon fiber reinforced polymer rope anchor |
| CN104612053B (en) * | 2015-02-11 | 2017-01-04 | 东南大学 | Possesses the FRP muscle-steel Shu Zuhe hoist cable structure of warning function |
| CN104612053A (en) * | 2015-02-11 | 2015-05-13 | 东南大学 | FRP (fiber reinforced plastic) tendon-bundle hybrid sling structure with warning function |
| CN105672312A (en) * | 2016-03-25 | 2016-06-15 | 中国京冶工程技术有限公司 | Cabin type anchor device made of fiber reinforced composite material and construction method |
| CN105672312B (en) * | 2016-03-25 | 2018-08-31 | 中国京冶工程技术有限公司 | Using the cabin formula anchor and construction method of fibre reinforced composites |
| CN106192754A (en) * | 2016-08-29 | 2016-12-07 | 智性纤维复合加固南通有限公司 | A kind of FRP inhaul cable anchorage and preparation method thereof |
| CN106522472A (en) * | 2016-12-14 | 2017-03-22 | 长安大学 | Sliding self-locking CFRP rib anchor device and mounting method thereof |
| CN106968246A (en) * | 2017-03-16 | 2017-07-21 | 长安大学 | A kind of composite anchorage for FRP muscle |
| CN107090771A (en) * | 2017-04-19 | 2017-08-25 | 柳州市邱姆预应力机械有限公司 | Separate type hot-cast anchor rope and preparation method |
| CN109853860A (en) * | 2019-01-31 | 2019-06-07 | 上海易拼利联建筑科技有限责任公司 | A kind of deviation rod piece elastomeric composition anchoring ring flexural pivot steering connector |
| CN110725547A (en) * | 2019-10-17 | 2020-01-24 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN110725547B (en) * | 2019-10-17 | 2023-08-11 | 柳州欧维姆机械股份有限公司 | Compact steel strand inhaul cable and manufacturing method thereof |
| CN112211348A (en) * | 2020-09-10 | 2021-01-12 | 湖南联智智能科技有限公司 | Steel strand wires smooth silk protector |
| CN115370073A (en) * | 2022-08-15 | 2022-11-22 | 中国建筑第八工程局有限公司 | Clamping piece-bonding combined type anchorage device for anchoring carbon fiber bars |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101078286B (en) | 2010-05-19 |
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Application publication date: 20071128 Assignee: CHONGQING CHANGJIANG PRESTRESS Co.,Ltd. Assignor: Hunan University Contract record no.: 2013500000009 Denomination of invention: Composite anchorage used for anchoring multiple fiber reinforcement plastic bar or dragline Granted publication date: 20100519 License type: Exclusive License Record date: 20130407 |
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Granted publication date: 20100519 |