CN108507934A - A kind of experimental rig for FRP tendons body immersion corrosion - Google Patents
A kind of experimental rig for FRP tendons body immersion corrosion Download PDFInfo
- Publication number
- CN108507934A CN108507934A CN201810310812.4A CN201810310812A CN108507934A CN 108507934 A CN108507934 A CN 108507934A CN 201810310812 A CN201810310812 A CN 201810310812A CN 108507934 A CN108507934 A CN 108507934A
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- CN
- China
- Prior art keywords
- clamping end
- experimental rig
- frp tendons
- muscle body
- sleeve
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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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
Abstract
The present invention provides a kind of experimental rig for FRP tendons body immersion corrosion, is related to immersion corrosion experimental rig field, including clamping end protective device, infuser device, muscle body;One end of muscle body is fixed with clamping end;Clamping end protective device includes sleeve, fine sand, sealing agent, quick hardening cement, glass cement, and the clamping end of muscle body is placed in sleeve, and fine sand is filled between sleeve and clamping end, and sealing agent is covered in fine sand surface;Quick hardening cement is covered in sealing agent surface;Glass cement is covered in quick hardening cement surface;Infuser device includes bucket, bung, propeller blade, transmission shaft, motor.Soak is housed, clamping end protective device is put into together with muscle body in bucket in bucket.The present invention is of low cost, makes simply, and easy to operate, the clamping end that can avoid muscle body is corroded, and avoiding muscle body from contacting with each other influences experiment effect, improves test reliability, and can also simulate static corrosive medium or Flow Corrosion medium influences muscle body.
Description
Technical field
The present invention relates to a kind of immersion corrosion experimental rigs, more particularly to a kind of experiment for FRP tendons body immersion corrosion
Device.
Background technology
In recent years, FRP composite materials are just applied to bridge more and more widely due to the various advantages relative to reinforcing bar
It is also more and more to the research of this material in the structures such as beam, all kinds of civil buildings, ocean and coastal waters, underground engineering.And to FRP
Mechanical property test of the muscle body under corrosive environment is also more and more.Therefore mechanical test how is preferably carried out indoors to grind
Study carefully, the more perfect experimental provision of design becomes a demand.Because FRP tendons body is fragile material, directly clamps muscle body and stretch meeting
Muscle body is crushed, so one end of muscle body is equipped with clamping end made of metal, clamping end in order to universal testing machine applies
Pulling force, and how to protect clamping end that it is made not to be corroded in the corrosion test also becomes one that experimental provision needs solve
Problem.
Invention content
In order to overcome the problems referred above, the present invention provides a kind of experimental rig for FRP tendons body immersion corrosion, the installation cost
Cheap, making is simple and convenient to operate, and can effectively avoid clamping end corrosion-vulnerable during muscle body impregnates, test reliability can be improved.
The technical solution adopted by the present invention to solve the technical problems is:A kind of experiment for FRP tendons body immersion corrosion
Device, including clamping end protective device, infuser device, muscle body;One end of the muscle body is equipped with clamping end;The bare terminal end
Portion's protective device includes sleeve, fine sand, sealing agent, quick hardening cement, glass cement, and the clamping end of muscle body is placed in sleeve, fine sand
It is filled between sleeve and clamping end until flooding clamping end, sealing agent is covered in one layer of fine sand surface and is placed in sleeve
It is interior;Quick hardening cement is covered in one layer of sealing agent surface and is placed in sleeve;Glass cement is covered in quick hardening cement surface, for outermost
Layer sealing;Soak is housed, clamping end protective device is put into together with muscle body in infuser device in the infuser device.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the infuser device includes bucket, bung, spiral shell
Revolve paddle blade, transmission shaft, motor.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, grain size is more than of 0.075mm in the fine sand
Grain is more than fine sand full weight 85%.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the sealing agent uses, and there is band water quickly to block up
Function is leaked, it is corrosion-free to FRP tendons body, there is the sealing agent of extremely strong water resistance.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the glass cement use neutral silicone structure glass
Glass glue.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the sleeve are made of PVC material.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion cuts several holes on the bung, is used for muscle
Body is inserted into positioning and transmission shaft is inserted into bucket.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the propeller blade can be arranged multiple, be used for
Accelerate water velocity.
A kind of above-mentioned experimental rig for FRP tendons body immersion corrosion, the transmission shaft is for propeller blade and electricity
The connection of machine, single shaft can connect multiple propeller blades.
Compared with the prior art, the advantages of the present invention are as follows:This experimental rig is of low cost, makes simply, easy to operate,
It can effectively avoid clamping end during muscle body impregnates to be corroded, muscle body, which contacts with each other, when avoiding impregnating influences experiment effect, improves examination
Reliability is tested, while can not only simulate static corrosive medium but also flowing corrosive medium can be simulated on the influence of muscle body.
Description of the drawings
The present invention is further elaborated with reference to the accompanying drawings and detailed description.
Fig. 1 is muscle body of the present invention and clamping end protective device sectional view;
Fig. 2 is overall structure diagram when muscle body of the present invention and clamping end protective device are placed in infuser device;
Fig. 3 is overlooking structure diagram when muscle body of the present invention and clamping end protective device are placed in infuser device;
Fig. 4 is motor in the present invention, transmission shaft, the complete installation positive structure diagram of propeller blade connection.
1. sleeves, 2. fine sands, 3. sealing agents, 4. glass cements, 5. muscle bodies, 6. quick hardening cements, 7. clamping ends, 8. pass in figure
Moving axis, 9. buckets, 10. bungs, 11. motors, 12. muscle bodies and clamping end protective device, 13. propeller blades, 14. battens.
Specific implementation mode
【Embodiment 1】
A kind of experimental rig for FRP tendons body immersion corrosion, including clamping end protective device, infuser device, muscle body
5;One end of the muscle body 5 is equipped with muscle body clamping end 7;The clamping end protective device includes sleeve 1, fine sand 2, sealing agent
3, the clamping end 7 of quick hardening cement 6, glass cement 4, muscle body 5 is placed in sleeve 1, fine sand 2 be filled in sleeve 1 and clamping end 7 it
Between until flood clamping end 7, sealing agent 3 is covered in one layer of 2 surface of fine sand and is placed in sleeve 1;Quick hardening cement 6 is covered in stifled
It leaks one layer of agent surface and is placed in sleeve 1;Glass cement 4 is covered in 6 surface of quick hardening cement, is sealed for outermost layer, after covering
Surface not can be flushed with 1 height of sleeve;Soak is housed in the infuser device, clamping end protective device together with
Muscle body is put into infuser device.The muscle body clamping end 7 is made of metal.The fine sand 2 is filled in sleeve 1, is ensured
It fills closely knit.The container for having soaking function any in the prior art can be used in the infuser device.Muscle body and clamping end protection
Device 12 refer to muscle body clamping end 7 by seal its it is interior when clamping end protective device.
Preferably, the quick hardening cement 6 uniformly smears certain thickness (4~6mm) and is covered in 3 surface of sealing agent.
Preferably, particle of the grain size more than 0.075mm is more than fine sand full weight 85% in the fine sand 2.
Agent to rapidly block up leakage, impervious leakage-stopping agent etc. can be used in sealing agent, it is preferable that the sealing agent 3 is fast with water using having
Fast leak stopping function, it is corrosion-free to FRP tendons body, there is the sealing agent of extremely strong water resistance, uniformly smears certain thickness (4~6mm) and cover
In 2 surface of fine sand.
Preferably, the glass cement 4 uses neutral silicone structural glass glue, and acid and alkali-resistance salt corrosion, itself is non-corrosive, applies
It smears certain thickness and is covered in 6 surface of quick hardening cement, can finally be flushed with sleeve-port and also be slightly less than sleeve-port.The neutral silicone
Sealant for stone material, mildewproof sealant, fireproof seal gum, seal for pipe joints glue etc. can be used in structural glass glue again.The muscle body folder
End 7 is held to be plugged in completely under sealing agent 3.
Preferably, the sleeve 1 uses PVC material, acid and alkali-resistance salt corrosion.
This embodiment can simulate static corrosion.
【Embodiment 2】
Embodiment 2 is substantially the same manner as Example 1, the difference is that:In further detail, the infuser device includes bucket
9, bung 10, propeller blade 13, transmission shaft 8, motor 11.
Preferably, several holes are cut on the bung 10, is inserted into positioning for muscle body and transmission shaft is inserted into bucket.
Preferably, the propeller blade 13 can be arranged multiple, for accelerating water velocity.
Preferably, the transmission shaft 8 is used for the connection of propeller blade 13 and motor 11, and single shaft can connect multiple propellers
Blade.
Preferably, the motor 11, transmission shaft 8 and propeller blade 13 complete can make.
Preferably, the infuser device further includes batten 14, and bung 10 is wooden, is followed closely motor in bung by batten 14
On.
The materials such as PVC can be used in the bucket 9, and shape can be cylindrical type, cuboid-type or other shapes.
Several holes are bored on 10 surface of bung, are inserted into positioning for muscle body 5 and transmission shaft 8 is inserted into bucket.
The propeller blade 13, transmission shaft 8, motor 11, batten 14 are connected by mode as shown in Figure 4, and motor is set
In bung upper surface center, fixed with bung on by 4 batten clampings and with iron nail, clamping end protective device is placed in immersion
Device interior side avoids being got to by propeller blade 13.Start motor 11, propeller blade 13 is i.e. rotatable.Motor 11
The relevant technologies use the prior art.The present invention operation principle and process be:Its clamping end 7 is placed in sleeve by stringing body 5
It is interior, it blocks layer by layer tightly, to prevent corrosive liquid intrusion to corrode clamping end.After closure, by muscle body 5 and clamping end
Protective device is packed into the bucket 9 of infuser device, and the muscle body other end passes through hole pre-drilled on bung, each hole right
A muscle body and clamping end protective device are answered, to play a bit of fixation in each muscle body to be measured interval, and is spaced immersion
Effect, prevent in soaking process muscle body 5 to contact with each other influence and impregnate effect.Transmission shaft 8 is fixed in the series connection of propeller blade 13
On, transmission shaft 8 connects motor 11 after passing through hole and is fixed on motor 11 on bung 10 with batten 14 and spike, starts electricity
Machine.After electric motor starting, propeller blade rotation drives flow that can simulate Flow Corrosion, can not also start the static corruption of motor simulation
Erosion.
Claims (9)
1. a kind of experimental rig for FRP tendons body immersion corrosion, it is characterised in that:Including clamping end protective device, impregnate
Device, muscle body;One end of the muscle body is equipped with clamping end;The clamping end protective device includes sleeve, fine sand, leak stopping
The clamping end of agent, quick hardening cement, glass cement, muscle body is placed in sleeve, fine sand be filled between sleeve and clamping end until
Clamping end is flooded, sealing agent is covered in one layer of fine sand surface and is placed in sleeve;Quick hardening cement is covered in sealing agent surface one
Layer and be placed in sleeve;Glass cement is covered in quick hardening cement surface, is sealed for outermost layer;Equipped with immersion in the infuser device
Liquid, clamping end protective device are put into together with muscle body in infuser device.
2. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 1, it is characterised in that:The leaching
Bulb apparatus includes bucket, bung, propeller blade, transmission shaft, motor.
3. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 1, it is characterised in that:It is described thin
Particle of the grain size more than 0.075mm is more than fine sand full weight 85% in sand.
4. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 1, it is characterised in that:It is described stifled
Leakage agent, which uses, has the function of band water fast blockage, corrosion-free to FRP tendons body, there is the sealing agent of extremely strong water resistance.
5. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 1, it is characterised in that:The glass
Glass glue uses neutral silicone structural glass glue.
6. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 1, it is characterised in that:The set
Cylinder is made of PVC material.
7. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 2, it is characterised in that:The bucket
The several holes of cutting are covered, positioning is inserted into for muscle body and transmission shaft is inserted into bucket.
8. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 2, it is characterised in that:The spiral shell
Rotation paddle blade can be arranged it is multiple, for accelerating water velocity.
9. a kind of experimental rig for FRP tendons body immersion corrosion according to claim 2, it is characterised in that:The biography
Moving axis is used for the connection of propeller blade and motor, and single shaft can connect multiple propeller blades.
Priority Applications (1)
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CN201810310812.4A CN108507934A (en) | 2018-04-09 | 2018-04-09 | A kind of experimental rig for FRP tendons body immersion corrosion |
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CN201810310812.4A CN108507934A (en) | 2018-04-09 | 2018-04-09 | A kind of experimental rig for FRP tendons body immersion corrosion |
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Citations (9)
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JPH07247630A (en) * | 1994-03-08 | 1995-09-26 | Shinko Kosen Kogyo Kk | Anchored end of nonmetallic tension member and method for anchoring same |
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CN104727487A (en) * | 2015-03-23 | 2015-06-24 | 天津大学 | Composite CFRP (Carbon Fibre Reinforced Polymer) tendon anchoring system |
CN104792626A (en) * | 2015-04-21 | 2015-07-22 | 东南大学 | Experimental device of FRP rib durability under stretching stress and environment coupling effect |
CN105806769A (en) * | 2016-03-18 | 2016-07-27 | 东南大学 | Accelerated corrosion test device and method for FRP reinforcement sea water and sea sand concrete members |
CN106153013A (en) * | 2015-03-31 | 2016-11-23 | 辽宁省水利水电科学研究院 | The seepage monitoring device in seepage monitoring district |
CN106246208A (en) * | 2016-08-11 | 2016-12-21 | 中国水利水电第十四工程局有限公司 | A kind of construction method of underground chamber naked rock grouting to waterproof |
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CN107449666A (en) * | 2017-07-28 | 2017-12-08 | 山东省建筑科学研究院 | A kind of stretching test method of anchoring fibre reinforced composites |
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2018
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Patent Citations (9)
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JPH07247630A (en) * | 1994-03-08 | 1995-09-26 | Shinko Kosen Kogyo Kk | Anchored end of nonmetallic tension member and method for anchoring same |
CN202091714U (en) * | 2011-05-25 | 2011-12-28 | 陈杰 | Inflation-type pipeline waterproof leak-stopping sealing device |
CN104727487A (en) * | 2015-03-23 | 2015-06-24 | 天津大学 | Composite CFRP (Carbon Fibre Reinforced Polymer) tendon anchoring system |
CN106153013A (en) * | 2015-03-31 | 2016-11-23 | 辽宁省水利水电科学研究院 | The seepage monitoring device in seepage monitoring district |
CN104792626A (en) * | 2015-04-21 | 2015-07-22 | 东南大学 | Experimental device of FRP rib durability under stretching stress and environment coupling effect |
CN105806769A (en) * | 2016-03-18 | 2016-07-27 | 东南大学 | Accelerated corrosion test device and method for FRP reinforcement sea water and sea sand concrete members |
CN106246208A (en) * | 2016-08-11 | 2016-12-21 | 中国水利水电第十四工程局有限公司 | A kind of construction method of underground chamber naked rock grouting to waterproof |
CN206404615U (en) * | 2016-10-28 | 2017-08-15 | 昆山华东塑之源工程塑料有限公司 | A kind of corrosion-resistant agitator |
CN107449666A (en) * | 2017-07-28 | 2017-12-08 | 山东省建筑科学研究院 | A kind of stretching test method of anchoring fibre reinforced composites |
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Application publication date: 20180907 |