[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN203559525U - Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection - Google Patents

Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection Download PDF

Info

Publication number
CN203559525U
CN203559525U CN201320651653.7U CN201320651653U CN203559525U CN 203559525 U CN203559525 U CN 203559525U CN 201320651653 U CN201320651653 U CN 201320651653U CN 203559525 U CN203559525 U CN 203559525U
Authority
CN
China
Prior art keywords
connector
pin
anchor head
brace
hole
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.)
Withdrawn - After Issue
Application number
CN201320651653.7U
Other languages
Chinese (zh)
Inventor
张涛涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201320651653.7U priority Critical patent/CN203559525U/en
Application granted granted Critical
Publication of CN203559525U publication Critical patent/CN203559525U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Joining Of Building Structures In Genera (AREA)

Abstract

The utility model discloses a multipurpose connector and an anchor head as well as a composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection. The multipurpose connector comprises a reinforcement material connecting pipe, a connecting sheet and a connecting sheet pin hole, wherein one end of the reinforcement material connecting pipe is closed, the connecting sheet is arranged at one closed end of the reinforcement material connecting pipe, the connecting sheet pin hole is formed in the connecting sheet, a fastening adapter is arranged at the other end of the reinforcement material connecting pipe, the inner side of the reinforcement material connecting pipe is provided with an internal surface thread which is matched with an external thread of an FPR reinforcement material, and internal teeth are arranged on the connecting sheet pin hole. The anchor head comprises an anchor head body, a connector and a connector pin hole, wherein the connector is arranged at one end of the anchor head body, the connector pin hole is formed in the connector, and the internal teeth are arranged on the connector pin hole. The composite member is formed by combined connection of the multipurpose connector and the anchor head or combined connection of the two multipurpose connectors. The thermosetting fiber reinforcement materials can be freely connected through the multipurpose connector, the anchor head and the composite member and can be processed into 90-degree bending anchoring ends, stirrups, bent-up steel bars, curved prestressed tendons with large curvature or broken line prestressed tendons and special-shaped components.

Description

The multiplex connector, anchor head and the composite member that for FRP muscle material, connect
Technical field
The utility model relates to a kind of connection external member, specifically, relates to a kind of composite member connecting for FRP muscle material.
Background technology
The application technology of FRP (fibre reinforced composites) muscle in civil engineering become the focus that composite material circle and civil engineering field joint research are developed in the world today.At present, more and more about the application and research of FRP muscle both at home and abroad, promoting the continuous progress of modern civil engineering technology.
Along with the issue of < < fibre reinforced composites construction project application technology standard > > (GB50608-2010) is implemented, FRP muscle is reinforced structure or has been obtained more general application as strengthening in concrete structure, but the FRP muscle that muscle material generally adopts common matrix material to produce as pultrusions such as polyester, epoxy resin, vinyl esters is thermosetting FRP muscle.Due to the easy decomposes of molecular structure of these thermosetting matrix materials, so the bending part of thermosetting FRP muscle exists fiber bending and stress concentration phenomenon, its intensity will reduce 50%~60%, so shape can not change after its moulding, more can not arbitrarily bend.Be difficult to make stirrup, bent-up bar, the elbow of end anchorage of bar needs, the curved prestressing force muscle of deep camber or broken line steel bar etc.; More can not carry out at the construction field (site) the crotch making of FRP muscle end and the moulding of FRP stirrup.
For the F-SP FRP muscle material needing in the engineering application such as reducing, bending, connector, all adopting hand to stick with paste the methods such as method, winding method, long fibre die pressing produces.But performance can not be compared with the muscle material of thermosetting pultrusion.
The connected mode of fiber bar material has at present: 1, adopt the bonding adhesive such as the interior note of sleeve pipe resin, cement to connect, be prone to the sliding rupture of fragility.2, overlap joint connects, and is not suitable for tensional element.3, adopt the connection of tapped sleeve, high to the required precision of the body of rod and internal thread, easily the body of rod is caused to damage.
Utility model content
technical problem:the utility model provides a kind of thermosetting fibre muscle material that makes freely to connect, and can process curved prestressing force muscle or broken line steel bar and the abnormity component of bending anchored end in 90 °, stirrup, bent-up bar, deep camber, the crotch making that can carry out at the construction field (site) FRP muscle end and the multiplex connector, anchor head and the composite member that are connected for FRP muscle material of FRP stirrup moulding.
technical scheme:the multiplex connector connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector, be arranged on sealing one end of muscle material tube connector brace, be arranged on the brace pin-and-hole on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, and on brace pin-and-hole inner surface, is provided with internal tooth.
The anchor head connecting for FRP muscle material of the present utility model, comprise anchor head body, be arranged on anchor head body one end connector, be arranged on the connector pin-and-hole on connector, on connector pin-and-hole inner surface, be provided with internal tooth.
The above-mentioned anchor head connecting for FRP muscle material, anchor head body is anchor pole or anchor slab.
The above-mentioned anchor head connecting for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
The composite member connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector, be arranged on the brace of sealing one end of muscle material tube connector, be arranged on the brace pin-and-hole on brace, by brace pin-and-hole, with brace, the anchor head being connected is installed with pin, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, anchor head comprises anchor head body, be arranged on the connector of anchor head body one end, be arranged on the connector pin-and-hole on connector, on brace pin-and-hole inner surface and connector pin-and-hole inner surface, be provided with internal tooth, on pin, be provided with the external tooth matching with internal tooth, pin inserts in brace pin-and-hole and connector pin-and-hole, brace is fixedly connected with anchor head.
The composite member connecting for FRP muscle material of the present utility model, comprise two multiplex connectors, each member includes one end closed bead material tube connector, is arranged on the brace of sealing one end of muscle material tube connector, is arranged on the brace pin-and-hole on brace, the outer setting of the other end of muscle material tube connector has fastening, inner side is provided with the inner surface screw thread that the external screw thread with FRP muscle material matches, and on brace pin-and-hole inner surface, is provided with internal tooth; After the brace pin-and-hole of the brace on two members is aimed at, pin inserts in brace pin-and-hole, thereby two members are fixedly connected with.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, are provided with the latch in order to axial location on pin.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, anchor head body is anchor pole or anchor slab.
Above-mentioned two kinds of composite membeies that connect for FRP muscle material, anchor head body is anchor pole, and one end of anchor pole is connected with connector, and the other end is provided with enlarged footing.
beneficial effect:compared with prior art, the technical solution of the utility model has the following advantages:
1. overcome overlap joint connection in the existing connected mode of thermosetting FRP muscle material and be not suitable for tension, sleeve pipe connects the sliding rupture that is prone to fragility, is threaded and easily the body of rod is caused to damage.The shortcoming that can not be welded to connect.
One end closed bead material tube connector internal diameter is than the large 2 ~ 3mm of muscle material, and for injecting adhesive, adhesive is resin system, cement-based systems.One end closed bead material tube connector is processed with matching thread according to muscle material thread inner surface, for interlock muscle material.End fluting, external surface is established screw thread and is adopted end interlock nut screwing clamping.Adopt the mode of gluing+mechanical snap to be connected with muscle material, and utilize the elasticity of shell material, in end, clamp nut is set.Both avoid occurring the sliding rupture of fragility, and prevented again the body of rod to cause damage, and, drawn meanwhile, press member all can adopt.
2. solved the multidirectional connection of thermosetting fibre muscle material fiber bar material.
According to designing requirement, adjust angle, after the brace pin-and-hole of the brace on two members is aimed at, pin 3 inserts in brace pin-and-hole, thereby two members are fixedly connected with.Can be applicable to the multidirectional connection of FRP muscle material.
3. solved the problem that thermosetting fibre muscle material cannot bending forming.Thermosetting fibre muscle material can freely be connected, can process curved prestressing force muscle or broken line steel bar and the abnormity component etc. of bending anchored end in 90 °, crotch, stirrup, bent-up bar, deep camber.
Easy to loading and unloading, multiple combination, easy construction.On the basis of multiplex connector can with multiple anchor head, a plurality of multiplex connector combination, convenient disassembly, can be at the construction field (site) or factory complete bending anchored end, crotch, stirrup, bent-up bar, the curved prestressing force muscle of deep camber or the moulding of broken line steel bar and abnormity component etc.
Can adopt various material processing assembly according to actual conditions.Can adopt adaptive material as processing composite membeies such as metal, composite materials according to the performance requirement of FRP muscle, the elbow of having avoided hand to stick with paste the method productions such as method, winding method, long fibre die pressing can not mate with the muscle wood property of thermosetting pultrusion.
4. solve hand and stuck with paste the elbow of the method productions such as method, winding method, long fibre die pressing, thermoplasticity and the unmatched problem of material, performance of thermosetting pultrusion muscle material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multiplex connector of the utility model.
Fig. 2 is the anchor head structural representation that in the utility model device, body is anchor pole.
Fig. 3 is the anchor head structural representation that in the utility model device, body is anchor slab.
Fig. 4 is the anchor head structural representation that in the utility model device, body is enlarged footing.
Fig. 5 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of anchor pole.
Fig. 6 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of anchor slab.
Fig. 7 is that in the utility model, to adopt body be the assembling unit structure schematic diagram of the anchor head of enlarged footing.
Fig. 8 is multiplex connector and muscle material connection diagram in the utility model.
Fig. 9 is the straight elbow connection diagram of muscle material in the utility model.
Figure 10 is pin and latch in the utility model.
Figure 11 is the utility model muscle material connection diagram.
Figure 12 is that in the utility model, muscle material hangs muscle connection diagram.
In figure, have: muscle material tube connector 1, brace 2, brace pin-and-hole 21, anchor head 3, anchor head body 31, connector 32, connector pin-and-hole 33, pin 4, latch 41, fastening 5, muscle material 6, outer surface thread 101, inner surface screw thread 102.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
The multiplex connector connecting for FRP muscle material of the present utility model, comprise one end closed bead material tube connector 1, be arranged on sealing one end of muscle material tube connector 1 brace 2, be arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21 inner surfaces, is provided with internal tooth.
The anchor head connecting for FRP muscle material of the present utility model, comprise anchor head body 31, be arranged on anchor head body 31 one end connector 32, be arranged on the connector pin-and-hole 33 on connector 32, on connector pin-and-hole 33, be provided with internal tooth.Anchor head body 31 can be anchor pole (Fig. 2), anchor slab (Fig. 3) or enlarged footing anchor pole (Fig. 4).
Multiplex connector is connected with the anchor head that anchor head body is anchor pole, is made into the anchoring elbow (Fig. 5) of plain bars.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of anchor pole, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.The angle connecting can be adjusted arbitrarily according to designing requirement by adjusting the internal tooth on brace pin-and-hole 21 and connector pin-and-hole 33, adjusts crotch in 90 ° to be Figure 11.
The anchor head that multiplex connector is anchor slab with anchor head body is connected and is made into the anchor slab anchorage head (Fig. 6) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of anchor slab, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.
The anchor head that multiplex connector is enlarged footing with anchor head body is connected and is made into the expansion anchorage head (Fig. 7) of common muscle material or presstressed reinforcing steel.This composite member comprises one end closed bead material tube connector 1, be arranged on the brace 2 of sealing one end of muscle material tube connector 1, be arranged on the brace pin-and-hole 21 on brace 2, by brace pin-and-hole 21, with brace 2, the anchor head being connected is installed with pin 4, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, anchor head 3 comprises that anchor head body is the anchor head body 31 of enlarged footing, be arranged on the connector 32 of anchor head body 31 one end, be arranged on the connector pin-and-hole 33 on connector 32, on brace pin-and-hole 21 and connector pin-and-hole 33, be provided with internal tooth, on pin 4, be provided with the external tooth matching with internal tooth, pin 4 inserts in brace pin-and-hole 21 and connector pin-and-hole 33, brace 2 is fixedly connected with anchor head 3.With latch 41, pin 4 is fixing again.
Two multiplex connectors can form 0 ° ~ 360 ° joints (Figure 11) at any angle according to designing requirement, each member includes one end closed bead material tube connector 1, is arranged on the brace 2 of sealing one end of muscle material tube connector 1, is arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21, is provided with internal tooth; According to designing requirement, adjust angle, after the brace pin-and-hole 21 of the brace 2 on two members is aimed at, pin 4 inserts in brace pin-and-hole 21, thereby two members are fixedly connected with.With latch 41, pin 4 is fixing again.
A plurality of multiplex connectors can form and hang the moulding elbows (Figure 12) such as muscle according to designing requirement, each member includes one end closed bead material tube connector 1, is arranged on the brace 2 of sealing one end of muscle material tube connector 1, is arranged on the brace pin-and-hole 21 on brace 2, the other end of muscle material tube connector 1 is provided with fastening 5, the inner side of muscle material tube connector 1 is provided with the inner surface screw thread 102 that the external screw thread with FRP muscle material matches, and on brace pin-and-hole 21, is provided with internal tooth; According to designing requirement, adjust angle, after the brace pin-and-hole 21 of the brace 2 on two members is aimed at, pin 4 inserts in brace pin-and-hole 21, thereby two members are fixedly connected with.With latch 41, pin 4 is fixing again.
Multiplex connector adopts the mode of gluing+mechanical snap to be connected with muscle material.Multiplex connector internal diameter is than the large 2 ~ 3mm of muscle material, and for injecting adhesive, adhesive is resin system, cement-based systems.On the inner surface of muscle material tube connector 1, according to muscle material screw thread, be processed with supporting inner surface screw thread 102, for interlock muscle material.End fluting, is provided with outer surface thread 101, and end adopts fastening 5 to tighten.Adopt the mode of gluing+mechanical snap to guarantee the reliable bonding of joint and muscle material.
In the utility model, assembly can adopt metalwork, also can adopt fibre reinforced composites etc. to process.

Claims (9)

1. the multiplex connector connecting for FRP muscle material, it is characterized in that, this multiplex connector comprises one end closed bead material tube connector (1), is arranged on the brace (2) of sealing one end of described muscle material tube connector (1), is arranged on the brace pin-and-hole (21) on described brace (2), the outer setting of the other end of muscle material tube connector (1) has fastening (5), inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches, and on described brace pin-and-hole (21) inner surface, is provided with internal tooth.
2. the anchor head connecting for FRP muscle material, it is characterized in that, this anchor head comprises anchor head body (31), is arranged on the connector (32) of described anchor head body (31) one end, is arranged on the connector pin-and-hole (33) on described connector (32), on described connector pin-and-hole (33) inner surface, is provided with internal tooth.
3. the anchor head connecting for FRP muscle material according to claim 2, is characterized in that, described anchor head body (31) is anchor pole or anchor slab.
4. the anchor head connecting for FRP muscle material according to claim 3, is characterized in that, described anchor head body (31) is anchor pole, and one end of described anchor pole is connected with connector (32), and the other end is provided with enlarged footing.
5. the composite member connecting for FRP muscle material, it is characterized in that, this composite member comprises one end closed bead material tube connector (1), is arranged on the brace (2) of sealing one end of described muscle material tube connector (1), is arranged on the brace pin-and-hole (21) on described brace (2), the anchor head (3) being connected with brace (2) installation with pin (4) by described brace pin-and-hole (21), the outer setting of the other end of muscle material tube connector (1) has fastening (5), and inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches;
Described anchor head (3) comprises anchor head body (31), is arranged on the connector (32) of described anchor head body (31) one end, is arranged on the connector pin-and-hole (33) on described connector (32), on brace pin-and-hole (21) inner surface and connector pin-and-hole (33) inner surface, be provided with internal tooth, pin is provided with the external tooth matching with described internal tooth on (4), pin (4) inserts in brace pin-and-hole (21) and connector pin-and-hole (33), and brace (2) is fixedly connected with anchor head (3).
6. the composite member connecting for FRP muscle material, it is characterized in that, this assembly comprises two multiplex connectors, described in each, multiplex connector includes one end closed bead material tube connector (1), be arranged on the brace (2) of sealing one end of described muscle material tube connector (1), be arranged on the brace pin-and-hole (21) on described brace (2), the outer setting of the other end of muscle material tube connector (1) has fastening (5), inner side is provided with the inner surface screw thread (102) that the external screw thread with FRP muscle material matches, on described brace pin-and-hole (21) inner surface, be provided with internal tooth, after the brace pin-and-hole (21) of the brace (2) on two multiplex connectors is aimed at, pin (4) inserts in brace pin-and-hole (21), thereby two multiplex connectors are fixedly connected with.
7. according to the composite member connecting for FRP muscle material described in claim 5 or 6, it is characterized in that, on described pin (4), be provided with the latch (41) in order to axial location.
8. according to the composite member connecting for FRP muscle material described in claim 5 or 6, it is characterized in that, described anchor head body (31) is anchor pole or anchor slab.
9. the composite member connecting for FRP muscle material according to claim 8, is characterized in that, described anchor head body (31) is anchor pole, and one end of described anchor pole is connected with connector (32), and the other end is provided with enlarged footing.
CN201320651653.7U 2013-10-22 2013-10-22 Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection Withdrawn - After Issue CN203559525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320651653.7U CN203559525U (en) 2013-10-22 2013-10-22 Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320651653.7U CN203559525U (en) 2013-10-22 2013-10-22 Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection

Publications (1)

Publication Number Publication Date
CN203559525U true CN203559525U (en) 2014-04-23

Family

ID=50509256

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320651653.7U Withdrawn - After Issue CN203559525U (en) 2013-10-22 2013-10-22 Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection

Country Status (1)

Country Link
CN (1) CN203559525U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103541514A (en) * 2013-10-22 2014-01-29 张涛涛 Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars
CN107304545A (en) * 2016-04-23 2017-10-31 辽宁工业大学 A kind of combination set for anchoring and connecting for FRP muscle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103541514A (en) * 2013-10-22 2014-01-29 张涛涛 Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars
CN103541514B (en) * 2013-10-22 2015-09-16 张涛涛 A kind of multiplex connector, anchor head and composite member connected for FRP muscle material
CN107304545A (en) * 2016-04-23 2017-10-31 辽宁工业大学 A kind of combination set for anchoring and connecting for FRP muscle

Similar Documents

Publication Publication Date Title
CN103541514B (en) A kind of multiplex connector, anchor head and composite member connected for FRP muscle material
CN205046756U (en) Awl wedge type casing joint who excels in rebar mechanical connection
CN107304545A (en) A kind of combination set for anchoring and connecting for FRP muscle
CN202519884U (en) Composite anchor for FRP (fiber reinforce plastic) rib
CN203782982U (en) Connecting assembly of prefabricated reinforcements
CN103469967B (en) Steel bar connecting sleeve of fabricated constructional member of reinforced concrete member
CN203559525U (en) Multipurpose connector and anchor head as well as composite member for FRP (Fiber Reinforced Polymer) reinforcement material connection
CN102644278B (en) It is provided with the prestressing force support cantilever pile with steel-plastic structure of reinforced plastics stirrup
CN101144288A (en) Steel ring plate node for round carbon fibre reinforced plastic steel pipe concrete post and steel frame beam
CN208578169U (en) Prefabricated components connection member
CN101864827A (en) Anchor design of pre-stressed carbon fiber reinforced plastic rib group
CN203559526U (en) Connecting sleeve for steel bars of assembly type building members with reinforced concrete members
CN215256602U (en) Wind power hybrid tower prefabricated tower cylinder connected by bolt U ring
CN104831640A (en) Construction method for reinforcing device of reinforced concrete bridge and bridge deck slab
CN106592872B (en) Steel concrete supporting structure and installation method
Chen et al. Experimental study on flexural behavior of splicing concrete-filled GFRP tubular composite members connected with steel bars
CN102852284A (en) Taper-sleeve locking-type steel bar connection joint
CN203440999U (en) Reinforced connecting sleeve for reinforced concrete members and assembling type building members
CN208618668U (en) Composite connector for FRP tendons
CN201671339U (en) Fixing device for wall bodies and beam column templates of buildings
KR20110017551A (en) Rebar coupler connections
CN211172720U (en) Mechanical connection structure of steel bars for prefabricated concrete structure
CN209653232U (en) A kind of off-position of steel reinforcing bar connection structure
CN201843263U (en) Carbon fiber bar connecting device
CN202809993U (en) Taper sleeve locking type steel bar connecting joint

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140423

Effective date of abandoning: 20150916

RGAV Abandon patent right to avoid regrant