CN203924399U - A kind of FRP connector and precast concrete sandwich wall - Google Patents
A kind of FRP connector and precast concrete sandwich wall Download PDFInfo
- Publication number
- CN203924399U CN203924399U CN201320868888.1U CN201320868888U CN203924399U CN 203924399 U CN203924399 U CN 203924399U CN 201320868888 U CN201320868888 U CN 201320868888U CN 203924399 U CN203924399 U CN 203924399U
- Authority
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- China
- Prior art keywords
- frp
- connector
- dowel
- flange
- precast concrete
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- 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.)
- Expired - Lifetime
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 22
- 210000003195 fascia Anatomy 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 2
- 239000011151 fibre-reinforced plastic Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000002929 anti-fatigue Effects 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a kind of FRP connector, comprise FRP dowel and FRP flange, FRP flange is detachable is fixedly connected with this respectively at the two ends of this FRP dowel.FRP connector of the present utility model has that tensile strength is large, coefficient of thermal conductivity is little, high insulating effect, the advantage such as anticorrosive and anti-fatigue performance is good; The utility model also provides a kind of precast concrete sandwich wall.FRP connector of the present utility model is anchored fixing with inner wall panel and side fascia respectively, cold (heat) bridge effect of effectively having avoided precast concrete sandwich wall to adopt generic connectivity part to connect and to produce, the heat insulation effect and the safety that have greatly improved body of wall.
Description
Technical field
The utility model relates to engineering building materials field, is specifically related to a kind of FRP connector.The utility model also relates to a kind of precast concrete sandwich wall in addition.
Background technology
As the key member of prefabricated heat preservation wall body, the Main Function of connector is the longitudinal shear between effect and body of wall that starts between two concrete slabs of opposing, and the form of connector should take into full account the double action of power transmission and insulation.Existing prefabricated sandwich wall adopts plain bars connector or metal alloy connector mostly, and plain bars connector easily produces heat bridge, and in addition, rebar connector corrosion resistance is poor, easily causes the potential safety hazard of body of wall.Metal alloy connector corrosion resistance is good, durability is high, and coefficient of thermal conductivity is lower, but the price of metal alloy connector is higher.FRP is as a kind of novel high-performance material, have that coefficient of thermal conductivity is low, good endurance, cost are low, intensity high, the heat preservation wall body connecting piece that adopts FRP to make is effectively avoided cold (heat) bridge effect that in body of wall, generic connectivity part produces, the heat insulation effect and the safety that have improved body of wall, have wide future in engineering applications at building engineering field.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of FRP connector, has lower coefficient of thermal conductivity, higher corrosion resistance and fatigue resistance, cold (heat) bridge effect that can effectively avoid generic connectivity part to produce.
For solving the problems of the technologies described above, the utility model adopt a technical scheme be: a kind of FRP connector, comprise FRP dowel and FRP flange, the two ends of described FRP dowel with respectively with detachable being fixedly connected with of described FRP flange.
Preferably, the two ends of described FRP dowel are provided with external screw thread, and the inner surface of described FRP flange is provided with the internal thread matching with described external screw thread; Wherein, described internal thread matches with described external screw thread, thereby described FRP dowel and described FRP flange are fixed.
Preferably, the length of described internal thread is less than described externally threaded length; The interlude smooth surface of described FRP dowel between described external screw thread.
Preferably, the two ends of described FRP dowel are provided with the jagged outer channel of equidistantly arranging, and the inner surface of described FRP flange is provided with the internal channel of agreeing with mutually with described outer channel; Wherein, described internal channel matches with described outer channel, thereby described FRP dowel and described FRP flange are fixed.
Preferably, the length of described internal channel is less than the length of described outer channel; The interlude smooth surface of described FRP dowel between described outer channel.
Preferably, the external surface of described FRP flange is coarse.
Preferably, described FRP dowel and described FRP flange adopt fortifying fibre and resin to obtain, and described fortifying fibre is one or more in polypropylene fibre, glass fiber, carbon fiber, polyester fiber, aramid fiber, basalt fibre.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of precast concrete sandwich wall is provided, and described precast concrete sandwich wall is equipped with according to the FRP connector described in claim 1-7 any one.
Preferably, described precast concrete sandwich wall further comprises inner wall panel, side fascia and insulation layer, described insulation layer is located between described inner wall panel and described side fascia, the two ends of described FRP connector be arranged in described insulation layer and respectively with described inner wall panel and the anchoring of described side fascia phase.
Preferably, on the cross section of described inner wall panel, be evenly distributed with in length and breadth to staggered inner wall panel steel mesh reinforcement, on described side fascia cross section, be evenly distributed with in length and breadth to staggered side fascia steel mesh reinforcement; The two ends of described FRP connector are fixed with described inner wall panel steel mesh reinforcement and the colligation of described side fascia steel mesh reinforcement respectively.
The beneficial effects of the utility model are: the situation that is different from prior art, FRP connector of the present utility model is formed by thread connection by FRP flange and FRP dowel, have that tensile strength is large, coefficient of thermal conductivity is little, high insulating effect, the advantages such as anticorrosive and anti-fatigue performance is good, cold (heat) bridge effect of effectively having avoided precast concrete sandwich wall to adopt generic connectivity part to connect and to produce, greatly improved heat insulation effect and the safety of body of wall, simultaneously the utility model also has simple in structure, anchored force foot and the feature such as easy to loading and unloading.
Brief description of the drawings
Fig. 1 is the connection diagram of FRP connector one embodiment of the present utility model;
Fig. 2 is the structural representation of FRP dowel one embodiment in Fig. 1;
Fig. 3 is the structural representation of FRP flange one embodiment in Fig. 1;
Fig. 4 is the structural representation of precast concrete sandwich wall one embodiment of the present utility model;
Fig. 5 is the connection diagram of another embodiment of FRP connector of the present utility model;
Fig. 6 is the structural representation of another embodiment of FRP dowel in Fig. 5; And
Fig. 7 is the structural representation of another embodiment of FRP flange in Fig. 5.
Detailed description of the invention
Consult Fig. 1-Fig. 7, the utility model provides a kind of FRP connector 1, comprise FRP dowel 101 and FRP flange 102, FRP dowel 101 and FRP flange 102 adopt fortifying fibre and resin to obtain, and fortifying fibre is one or more in polypropylene fibre, glass fiber, carbon fiber, polyester fiber, aramid fiber, basalt fibre.The two ends of FRP dowel 101 be fixedly connected with FRP flange 102 is detachable respectively.
Embodiment 1
See also Fig. 1 and Fig. 2, in the present embodiment, the two ends of FRP dowel 101 are provided with external screw thread 101a, external screw thread 101a is the continuous shape screw thread of rule, and it forms by ribbon polypropylene being wrapped under the acting in conjunction that tractor longitudinally pulls and rotary winding machine head is radially wound around on the FRP dowel 101 of pultrusion.The interlude smooth surface of FRP dowel 101 between external screw thread 101a, while being conducive to concreting, FRP connector 1 position is fixing.
Please continue to refer to Fig. 1 and Fig. 3, in the present embodiment, the external surface of FRP flange 102 is coarse, be conducive to strengthen the anchored force between FRP connector 1 and concrete, inner surface is provided with the internal thread 102a matching with the external screw thread 101a of FRP dowel 101, internal thread 102a matches with external screw thread 101a, thereby FRP dowel 101 and FRP flange 102 are fixed.Wherein, the length of internal thread 102a is less than the length of external screw thread 101a.
In addition, the utility model also provides a kind of precast concrete sandwich wall 2, and this precast concrete sandwich wall is equipped with above-mentioned FRP connector 1.
As shown in Figure 4, precast concrete sandwich wall 2 further comprises inner wall panel 201, side fascia 202 and insulation layer 203, on the cross section of inner wall panel 201, be evenly distributed with in length and breadth to staggered inner wall panel steel mesh reinforcement (not shown in FIG.), on side fascia 202 cross sections, be evenly distributed with in length and breadth to staggered side fascia steel mesh reinforcement (not shown in FIG.), insulation layer 203 adopts expanded perlite, the inorganic heat insulation materials such as glass wool or polyphenyl plate, the organic heat-insulating materials such as polyurethane foam, insulation layer 203 is located between inner wall panel 201 and side fascia 202, inner wall panel 201, between insulation layer 203 and side fascia 202, connect by FRP connector 1, the two ends of FRP connector 1 be arranged in insulation layer 203 and respectively with inner wall panel 201 and side fascia 202 phase anchorings, the part of FRP connector 1 in insulation layer 203 is enclosed with engineering plastics shell 204, engineering plastics shell 204 adopt ductility and heat-flash good, the Merlon that impact strength is high or polyformaldehyde material.
When concrete enforcement, insulation layer 203 is built in the periphery of engineering plastics shell 204, side fascia 202 concrete are built on the top of FRP connector 1, inner wall panel 201 concrete are built in bottom, then FRP dowel 101 two ends of FRP connector 1 are fixed by steel wire or iron wire colligation with inner wall panel steel mesh reinforcement and side fascia steel mesh reinforcement respectively, in the present embodiment, the external screw thread 101a that the external surface of FRP flange 102 and FRP dowel 101 stretch out outside FRP flange 102 all embeds in inner wall panel 201 concrete and side fascia 202 concrete and is anchored with it fixing, between FRP dowel 101 and FRP flange 102 and inner wall panel 201 and side fascia 202, form enough large anchored force, thereby by inner wall panel 201, insulation layer 203 and side fascia 202 closely link into an integrated entity.
Embodiment 2
See also Fig. 5 and Fig. 6, in the present embodiment, FRP connector 3 comprises FRP dowel 301 and FRP flange 302, the two ends of FRP dowel 301 are provided with the jagged outer channel 301a equidistantly arranging, the interlude smooth surface of FRP dowel 301 between outer channel 301a, while being conducive to concreting, FRP connector 301 positions is fixing.
Please further consult Fig. 5 and Fig. 7, in the present embodiment, the external surface of FRP flange 302 is coarse, is conducive to strengthen the anchored force between FRP connector 301 and concrete.The inner surface of FRP flange 302 is provided with the internal channel 302a agreeing with mutually with outer channel 301a, and internal channel 302a matches with outer channel 301a, thereby FRP dowel 301 and FRP flange 302 are fixed.Wherein, the length of internal channel 302a is less than the length of outer channel 301a.
In addition, the utility model also provides a kind of precast concrete sandwich wall (not shown in FIG.), and this precast concrete sandwich wall is equipped with above-mentioned FRP connector 3.
For simplicity, in the present embodiment, the installation process of the structure of precast concrete sandwich wall and FRP connector 3 refers to the description of above-described embodiment 1, its difference is only the surface texture difference at FRP muscle 301 two ends, operating principle and using method are all identical or similar, so repeat no more.
FRP connector of the present utility model is formed by thread connection by FRP flange and FRP dowel, has that tensile strength is large, coefficient of thermal conductivity is little, high insulating effect, the advantage such as anticorrosive and anti-fatigue performance is good; FRP connector of the present utility model is anchored fixing with inner wall panel and side fascia respectively, cold (heat) bridge effect of effectively having avoided precast concrete sandwich wall to adopt generic connectivity part to connect and to produce, greatly improved heat insulation effect and the safety of body of wall, simultaneously FRP connector of the present utility model also has simple in structure, anchored force foot and the feature such as easy to loading and unloading.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model manual and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. FRP(Fiber Reinforced Polymer fiber-reinforced polymer) connector, it is characterized in that, comprise FRP dowel and FRP flange, the two ends of described FRP dowel respectively with detachable being fixedly connected with of described FRP flange.
2. FRP connector according to claim 1, is characterized in that, the two ends of described FRP dowel are provided with external screw thread, and the inner surface of described FRP flange is provided with the internal thread matching with described external screw thread; Wherein, described internal thread matches with described external screw thread, thereby described FRP dowel and described FRP flange are fixed.
3. FRP connector according to claim 2, is characterized in that, the length of described internal thread is less than described externally threaded length; The interlude smooth surface of described FRP dowel between described external screw thread.
4. FRP connector according to claim 1, is characterized in that, the two ends of described FRP dowel are provided with the jagged outer channel of equidistantly arranging, and the inner surface of described FRP flange is provided with the internal channel of agreeing with mutually with described outer channel; Wherein, described internal channel matches with described outer channel, thereby described FRP dowel and described FRP flange are fixed.
5. FRP connector according to claim 4, is characterized in that, the length of described internal channel is less than the length of described outer channel; The interlude smooth surface of described FRP dowel between described outer channel.
6. according to the FRP connector described in claim 2 or 4, it is characterized in that, the external surface of described FRP flange is coarse.
7. according to the FRP connector described in claim 2 or 4, it is characterized in that, described FRP dowel and described FRP flange adopt fortifying fibre and resin to obtain, and described fortifying fibre is one or more in polypropylene fibre, glass fiber, carbon fiber, polyester fiber, aramid fiber, basalt fibre.
8. a precast concrete sandwich wall, is characterized in that, described precast concrete sandwich wall is equipped with according to the FRP connector described in claim 1-7 any one.
9. precast concrete sandwich wall according to claim 8, it is characterized in that, described precast concrete sandwich wall further comprises inner wall panel, side fascia and insulation layer, described insulation layer is located between described inner wall panel and described side fascia, the two ends of described FRP connector be arranged in described insulation layer and respectively with described inner wall panel and the anchoring of described side fascia phase.
10. precast concrete sandwich wall according to claim 9, it is characterized in that, on the cross section of described inner wall panel, be evenly distributed with in length and breadth to staggered inner wall panel steel mesh reinforcement, on described side fascia cross section, be evenly distributed with in length and breadth to staggered side fascia steel mesh reinforcement; The two ends of described FRP connector are fixed with described inner wall panel steel mesh reinforcement and the colligation of described side fascia steel mesh reinforcement respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868888.1U CN203924399U (en) | 2013-12-26 | 2013-12-26 | A kind of FRP connector and precast concrete sandwich wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868888.1U CN203924399U (en) | 2013-12-26 | 2013-12-26 | A kind of FRP connector and precast concrete sandwich wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203924399U true CN203924399U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868888.1U Expired - Lifetime CN203924399U (en) | 2013-12-26 | 2013-12-26 | A kind of FRP connector and precast concrete sandwich wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203924399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746769A (en) * | 2013-12-26 | 2015-07-01 | 深圳海川新材料科技有限公司 | FRP (fiber reinforced plastic) connection piece and prefabricated concrete sandwich wall |
| CN108612255A (en) * | 2018-05-15 | 2018-10-02 | 中国十七冶集团有限公司 | A kind of precast foam concrete sandwich heat preservation Side fascia |
-
2013
- 2013-12-26 CN CN201320868888.1U patent/CN203924399U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746769A (en) * | 2013-12-26 | 2015-07-01 | 深圳海川新材料科技有限公司 | FRP (fiber reinforced plastic) connection piece and prefabricated concrete sandwich wall |
| CN108612255A (en) * | 2018-05-15 | 2018-10-02 | 中国十七冶集团有限公司 | A kind of precast foam concrete sandwich heat preservation Side fascia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Seven or eight building, block CD, building F38, Che Kung Temple Tian An Digital City, Futian District, Guangdong, Shenzhen 518040, China Patentee after: SHENZHEN OCEANPOWER NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: Seven or eight building, block CD, building F38, Che Kung Temple Tian An Digital City, Futian District, Guangdong, Shenzhen 518040, China Patentee before: SHENZHEN OCEAN POWER MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220406 Address after: 212400 No. 6, Guangming science and Innovation Park, Biancheng Town, Jurong City, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU OCEANPOWER NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 518040 7th floor, block CD, building f38, chegongmiao Tian'an Digital City, Futian District, Shenzhen, Guangdong Province Patentee before: SHENZHEN OCEANPOWER NEW MATERIAL TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |