CN202866126U - FRP (fiber-reinforced plastic) rib connection device and anchor rod - Google Patents
FRP (fiber-reinforced plastic) rib connection device and anchor rod Download PDFInfo
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- CN202866126U CN202866126U CN 201220548274 CN201220548274U CN202866126U CN 202866126 U CN202866126 U CN 202866126U CN 201220548274 CN201220548274 CN 201220548274 CN 201220548274 U CN201220548274 U CN 201220548274U CN 202866126 U CN202866126 U CN 202866126U
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- frp muscle
- hollow sleeve
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- external channel
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Abstract
The utility model provides an FRP (fiber-reinforced plastic) rib connection device which comprises a first hollow casing and a second hollow casting. The first hollow casing is provided with a first external channel and an external end thread; the second hollow casing is provided with a second external channel and an internal end thread; the external end thread is matched with the internal end thread; the grouting material injected through the first external channel fastens one end of the FRP rib on the inner surface of the first hollow casting; and the grouting material injected through the second external channel fastens the other end of the FRP rib on the inner surface of the second hollow casting. The utility model further provides an anchor rod with the FRP rib connection device. The cost is reduced effectively under the condition that the basic performance of the FRP rib is not affected, and the used materials are environment-friendly.
Description
Technical field
The utility model relates to a kind of FRP muscle linkage, makes FRP muscle (comprising GFRP, CFRP, the fibre reinforced plastics such as AFRP) be applied to the prestressing force field, has solved the technical bottleneck that the FRP muscle is used in civil engineering, makes the application of FRP muscle no longer limited.The utility model also provides a kind of anchor pole that comprises above-mentioned FRP muscle linkage simultaneously.
Background technology
Traditional FRP muscle method of attachment all is to use adhering with epoxy resin, and the method is used a large amount of epoxy resin and curing compound thereof, not only uneconomical while but also cause a large amount of wastes and environment pollution.Particularly the FRP muscle joint made of the method can not be brought into play the high-strength of FRP muscle, the characteristics such as high-modulus, thus greatly limited the application of FRP muscle.
The FRP muscle is as a kind of novel engineering material, at the beginning of being born, just receive project planner's very big concern, engineers and technicians have also proposed various requirement and improvement in application practice in recent years, but the connection of FRP muscle be engineers and technicians always can't fine solution a difficult problem, because in engineering practice, all require FRP muscle main body destruction, but not FRP muscle joint area, this also is the biggest problem that always can't break through in the engineering application facet of FRP muscle.
The utility model content
The purpose of this utility model is the technical problem of easily destroying in order to solve existing FRP muscle link technique center tap position, and the utility model is mainly taked following technical scheme.
The utility model provides a kind of FRP muscle linkage, comprise the second hollow sleeve that is provided with externally threaded the first hollow sleeve of the first external channel and end, is provided with the second external channel and end internal thread, described external screw thread cooperates with the internal thread spiral, the grouting material that is injected by described the first external channel makes the FRP muscle be anchored on described the first hollow sleeve inner surface, and the grouting material that is injected by described the second external channel makes the FRP muscle other end be anchored on described the second hollow sleeve inner surface.
Preferably, the internal diameter of described the first hollow sleeve is than the large 4～5mm of described FRP muscle external diameter, and the internal diameter of described the second sleeve pipe is than the large 4～5mm of described FRP muscle external diameter.
Preferably, described grouting material is the mixture of modified cement and water.Modified cement is a kind of of soundless cracking agent, expansive cement or its combination.Grouting material is the modified cement of environmental protection environmentally safe, and the expansion by modified cement and aqueous mixtures is so that the FRP muscle is anchored on the hollow sleeve inner surface.
Preferably, described the first hollow sleeve is two flow-throughs, triplet type or four-way type.
Preferably, described the second hollow sleeve is two flow-throughs, triplet type or four-way type.
The utility model also provides a kind of anchor pole that comprises above-mentioned FRP linkage.
With respect to prior art, the beneficial effects of the utility model are: linkage, method of attachment and anchor pole effectively reduce cost under the prerequisite that does not affect FRP muscle key property, the materials environmental protection.
Description of drawings
Fig. 1 is the sectional view of FRP muscle linkage;
Fig. 2 is the sectional view of the first hollow sleeve;
Fig. 3 is the sectional view of the second hollow sleeve one embodiment;
Fig. 4 is the sectional view of second another embodiment of hollow sleeve.
Among Fig. 1 to Fig. 4: the first hollow sleeve 10; The first external channel 12; External screw thread 14; The second hollow sleeve 20; The second external channel 22; Internal thread 24; FRP muscle 30; Grouting material 40.
The specific embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is explained in detail.
FRP is the abbreviation of Fiber Reinforced polymer (fiber reinforced material), generally comprises GFRP, CFRP, the fibre reinforced plastics such as AFRP.
A kind of FRP muscle linkage, the parts that relate to comprise the first hollow sleeve 10 and the second hollow sleeve 20.As shown in Figure 2, the first hollow sleeve 10 1 ends are provided with external screw thread 14, consider on the inwall one or more through holes are arranged according to the consumption of grouting material and efficient, and Figure 2 shows that two through holes, and through hole forms first external channel 12 that can inject grouting material.As shown in Figure 3, the second hollow sleeve 20 1 ends are provided with internal thread 24, internal thread 24 cooperates with external screw thread 14 spirals of the first hollow sleeve 10, consumption and efficient according to grouting material consider on the second hollow sleeve 20 inwalls one or more through holes are arranged, be illustrated in figure 3 as two through holes, be illustrated in figure 4 as 4 through holes, through hole forms second external channel 22 that can inject grouting material.The material of described the first hollow sleeve 10 and the second hollow sleeve 20 is the metal or alloy such as iron, stainless steel, selects generally that quality is light, intensity is large, convenient transportation and installing.The utility model FRP muscle linkage is so that the intensity of the spiral cooperation place of internal thread 24 and external screw thread 14, FRP muscle and hollow sleeve inner surface junction all greater than the intensity of FRP muscle body, occurs in FRP muscle body, engineering demands thereby guarantee to rupture.
As shown in Figure 1, the utility model provides a kind of FRP muscle linkage, so that many FRP muscle 30 more than two are connected.FRP muscle 30 linkages comprise the first hollow sleeve 10 that is provided with the first external channel 12 and end external screw thread 14, the second hollow sleeve 20 that is provided with the second external channel 22 and end internal thread 24, described external screw thread 14 cooperates with internal thread 24 spirals, the grouting material 40 that is injected by described the first external channel 12 makes FRP muscle 30 be anchored on described the first hollow sleeve 10 inner surfaces, and the grouting material 40 that is injected by described the second external channel 22 makes FRP muscle 30 other ends be anchored on described the second hollow sleeve 20 inner surfaces.Described grouting material 40 is the mixture of modified cement and water.Modified cement is a kind of of soundless cracking agent, expansive cement or its combination.Grouting material 40 is the modified cement of environmental protection environmentally safe, and the expansion by modified cement and aqueous mixtures is so that FRP muscle 30 is anchored on the hollow sleeve inner surface.The cost of prior art all-purpose gum stick be 25 yuan/more than the kg, the cost of the soundless cracking agent that uses such as the utility model is 2 yuan/kg, linkage effectively reduces cost under the prerequisite that does not affect FRP muscle 30 key propertys, the materials environmental protection.
The internal diameter of the first hollow sleeve 10 is greater than described FRP muscle 30 external diameters, and general, large 2～10mm is preferably 4～5mm; The internal diameter of described the second hollow sleeve 20 is greater than described FRP muscle 30 external diameters, and general, large 2～10mm is preferably 4～5mm.Being arranged so that in the FRP muscle 30 convenient insertion hollow sleeves, simultaneously also so that hollow sleeve is fit to the FRP muscle of different size like this.
Described the first hollow sleeve 10 be connected hollow sleeve 20 and can be set to two flow-throughs, triplet type or four-way type according to the needs that reality connects, be the two-way sleeve pipe such as Fig. 2 and Fig. 3, Fig. 4 is tee-joint sleeve.
The utility model also provides the method for attachment of a kind of FRP muscle, comprises the steps:
A. described the first hollow sleeve and the second hollow sleeve are by external screw teeth and internal screw thread screw-tightened;
B. prepare the grouting material of modified cement and water; Described grouting material is the mixture of modified cement and water.Modified cement is a kind of of soundless cracking agent, expansive cement or its combination.
C. described FRP muscle one end inserts the first hollow sleeve inner surface, and a described FRP muscle other end inserts the second hollow sleeve inner surface;
D. described grouting material injects the first hollow sleeve and the second hollow sleeve by described the first external channel and the second external channel respectively, leave standstill, the expansion by modified cement and aqueous mixtures makes described FRP muscle be anchored on the first hollow sleeve and the second hollow sleeve inner surface.
Above-mentioned a step, b step, c step do not have sequencing each other, and the d step is final step.
The utility model also relates to the anchor pole that comprises above-mentioned FRP muscle linkage, transmits stressing conditions by the FRP muscle.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that implementation of the present utility model is only limited to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. FRP muscle linkage, it is characterized in that: comprise the second hollow sleeve that is provided with externally threaded the first hollow sleeve of the first external channel and end, is provided with the second external channel and end internal thread, described external screw thread cooperates with the internal thread spiral, the grouting material that is injected by described the first external channel makes FRP muscle one end be anchored on described the first hollow sleeve inner surface, and the grouting material that is injected by described the second external channel makes the FRP muscle other end be anchored on described the second hollow sleeve inner surface.
2. FRP muscle linkage according to claim 1, it is characterized in that: the internal diameter of described the first hollow sleeve is than the large 4～5mm of described FRP muscle external diameter, and the internal diameter of described the second sleeve pipe is than the large 4～5mm of described FRP muscle external diameter.
3. FRP muscle linkage according to claim 1 and 2, it is characterized in that: described grouting material is the mixture of modified cement and water.
4. FRP muscle linkage according to claim 1 and 2, it is characterized in that: described the first hollow sleeve is two flow-throughs, triplet type or four-way type.
5. FRP muscle linkage according to claim 1 and 2, it is characterized in that: described the second hollow sleeve is two flow-throughs, triplet type or four-way type.
6. an anchor pole is characterized in that: comprise each described FRP muscle linkage of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548274 CN202866126U (en) | 2012-10-24 | 2012-10-24 | FRP (fiber-reinforced plastic) rib connection device and anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548274 CN202866126U (en) | 2012-10-24 | 2012-10-24 | FRP (fiber-reinforced plastic) rib connection device and anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866126U true CN202866126U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548274 Expired - Fee Related CN202866126U (en) | 2012-10-24 | 2012-10-24 | FRP (fiber-reinforced plastic) rib connection device and anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866126U (en) |
Cited By (9)
| 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 |
| CN103774791A (en) * | 2012-10-24 | 2014-05-07 | 上海启鹏工程材料科技有限公司 | FRP bar connection device, connection method and anchor rod |
| CN103953038A (en) * | 2014-04-18 | 2014-07-30 | 湖北省电力勘测设计院 | Multi-branch large-displacement expansion anchor head fiber rib anchor rod for medium and strong weathered rock formations |
| CN104533021A (en) * | 2014-12-19 | 2015-04-22 | 中冶建筑研究总院有限公司 | Full grouting sleeve for connecting steel bars |
| CN104805841A (en) * | 2015-02-28 | 2015-07-29 | 河海大学 | FRP rib anchor rod anchoring head capable of applying prestress |
| CN105804098A (en) * | 2016-03-31 | 2016-07-27 | 浙江大学宁波理工学院 | Pre-applied force anchoring system for slope protection device and construction method thereof |
| CN109555270A (en) * | 2018-12-24 | 2019-04-02 | 哈尔滨工业大学 | A kind of casing-FRP composite reinforcing material and preparation method thereof |
| CN110593922A (en) * | 2019-09-30 | 2019-12-20 | 新疆大学 | Construction method for reinforcing roadway roof by embedded FRP (fiber reinforced Plastic) reinforcements |
| CN114319109A (en) * | 2021-11-30 | 2022-04-12 | 中国建筑第八工程局有限公司 | Bonding type jig for FRP member and method for mounting same |
-
2012
- 2012-10-24 CN CN 201220548274 patent/CN202866126U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774791A (en) * | 2012-10-24 | 2014-05-07 | 上海启鹏工程材料科技有限公司 | FRP bar connection device, connection method and anchor rod |
| 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 |
| CN103541514A (en) * | 2013-10-22 | 2014-01-29 | 张涛涛 | Multipurpose connector, anchor head and assembly for connecting FRP (Fiber Reinforced Plastic) rebars |
| CN103953038A (en) * | 2014-04-18 | 2014-07-30 | 湖北省电力勘测设计院 | Multi-branch large-displacement expansion anchor head fiber rib anchor rod for medium and strong weathered rock formations |
| CN104533021B (en) * | 2014-12-19 | 2017-04-12 | 中冶建筑研究总院有限公司 | Full grouting sleeve for connecting steel bars |
| CN104533021A (en) * | 2014-12-19 | 2015-04-22 | 中冶建筑研究总院有限公司 | Full grouting sleeve for connecting steel bars |
| CN104805841A (en) * | 2015-02-28 | 2015-07-29 | 河海大学 | FRP rib anchor rod anchoring head capable of applying prestress |
| CN104805841B (en) * | 2015-02-28 | 2016-11-30 | 河海大学 | A kind of prestressed FRP rebar anchor pole anchor head |
| CN105804098A (en) * | 2016-03-31 | 2016-07-27 | 浙江大学宁波理工学院 | Pre-applied force anchoring system for slope protection device and construction method thereof |
| CN109555270A (en) * | 2018-12-24 | 2019-04-02 | 哈尔滨工业大学 | A kind of casing-FRP composite reinforcing material and preparation method thereof |
| CN110593922A (en) * | 2019-09-30 | 2019-12-20 | 新疆大学 | Construction method for reinforcing roadway roof by embedded FRP (fiber reinforced Plastic) reinforcements |
| CN110593922B (en) * | 2019-09-30 | 2021-06-08 | 新疆大学 | Construction method for reinforcing roadway roof by embedded FRP (fiber reinforced Plastic) reinforcements |
| CN114319109A (en) * | 2021-11-30 | 2022-04-12 | 中国建筑第八工程局有限公司 | Bonding type jig for FRP member and method for mounting same |
| CN114319109B (en) * | 2021-11-30 | 2024-05-10 | 中国建筑第八工程局有限公司 | Bonding type clamp for FRP (fiber reinforced Plastic) component and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20191024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |