CN206504999U - Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load - Google Patents
Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load Download PDFInfo
- Publication number
- CN206504999U CN206504999U CN201621406012.5U CN201621406012U CN206504999U CN 206504999 U CN206504999 U CN 206504999U CN 201621406012 U CN201621406012 U CN 201621406012U CN 206504999 U CN206504999 U CN 206504999U
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- China
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- test specimen
- basalt fibre
- inner frame
- bond performance
- experimental rig
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Abstract
Basalt fibre muscle and Bond Performance Between Concrete experimental rig under cyclic load are determined the utility model discloses one kind, including outer framework, inner frame, test specimen fixed part, loading section and sensor element, test specimen fixed part includes upper fixture, lower clamp and fastener, sensor element includes load transducer and displacement transducer, loading section includes tension and compression actuator and oil pump, load transducer is located between upper fixture and inner frame, lower clamp is connected in tension and compression actuator, lower clamp upper end is connected to the lower end of test specimen reinforcing bar, displacement transducer is connected in the upper end of test specimen reinforcing bar, upper fixture is fixed on outer framework inner top surface, tension and compression actuator is fixed on outer framework inner bottom surface.The utility model is applied to the basalt fibre muscle under cyclic load and determined with Bond Performance Between Concrete；Suitable for building-site and laboratory scene；Simple in construction, convenient disassembly, material requested and instrument are few.
Description
Technical field
The utility model is related to the CYCLIC LOADING test device of reinforcing bar and concrete adhesive property, belongs to concrete construction field.
Background technology
In field of civil engineering, the adhesive property between reinforcing bar and concrete be reinforced concrete structure or component load-bearing by
The premise of power.In existing engineering, many slippages produced due to the Bond Degradation of reinforcing bar and concrete are occurred in that, finally
Cause Important Project accident.The adhesion problem of reinforced concrete structure is significant in engineering practice.Cohesive moves back
Change is to cause component strength reduction, Stiffness Deterioration and deform increased main cause.
During due to CYCLIC LOADING, the test piece fixing device that scholar is used before causes test specimen in itself in fixed test specimen
Vertical displacement is generated, result of the test is directly affected.
The content of the invention
Technical problem to be solved in the utility model is in view of the deficienciess of the prior art, and providing a kind of structure letter
It is single, the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under the cyclic load of convenient disassembly.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：
One kind determines basalt fibre muscle and Bond Performance Between Concrete experimental rig under cyclic load, it is characterised in that：Bag
Outer framework, inner frame, test specimen fixed part, loading section and sensor element are included, the test specimen fixed part includes upper folder
Tool, lower clamp and the fastener for test specimen and inner frame to be fixed, the sensor element include load transducer and displacement
Sensor, the loading section includes tension and compression actuator and the oil pump being connected with tension and compression actuator, the load transducer position
Between the upper fixture and inner frame, the lower clamp is connected in the tension and compression actuator, the lower clamp upper end connection
In the lower end of the test specimen reinforcing bar, in the upper end connection institute displacement sensors of the test specimen reinforcing bar, the upper fixture is fixed on
The outer framework inner top surface, the tension and compression actuator is fixed on the outer framework inner bottom surface.
Backing plate is provided with the test specimen, the fastener is the screw rod being connected on test specimen, is worn in the upper end of screw rod
Cross the backing plate and be connected with nut, the lower end of screw rod is connected through inner frame bottom plate and with nut.
Stripe board is also respectively provided between the nut and backing plate and nut and inner frame.
Bar template length is more than outer framework thickness.
Institute's displacement sensors are connected to the side of the inner frame by Magnetic gauge stand.
Internal and external frame amounts to four pieces of steel plate welding assemblies into being integral by side plate, bottom plate, top plate；Top plate center drilling
Connected from different load transducers；Bottom plate has U-shaped hole so that test specimen bottom reinforcement bars is passed through from bottom plate.
Compared with prior art, the utility model is simple in construction, convenient disassembly, and material requested and instrument are few.
Brief description of the drawings
Fig. 1 is the experimental rig schematic diagram of basalt fibre muscle and Bond Performance Between Concrete under cyclic load.
Fig. 2 is that test specimen installs rear upper padding plate top view.
Fig. 3 is bottom plate schematic diagram.
In figure：1- outer frameworks；2- load transducers；3- fixtures；4- inner frames；5- Magnetic gauge stands；6- nuts；7- stripe shapes
Plate；8- backing plates；9-PVC is managed；10- screw rods；11- basalt reinforcing bars；12- concrete samples；13- steel cylinders；14- displacement transducers；
15- tension and compression actuator；
Embodiment
Below in conjunction with the accompanying drawings, the utility model is elaborated：
The experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load is determined, including places the outer of test specimen
Framework 1；Be placed on the upper padding plate 8 of the upper surface of concrete sample 12, its central aperture, planar dimension and concrete sample 12 it is close,
Four screw rods 10, front and rear each two；Eight nuts 6, up and down each four；It is placed on the upper surface of upper padding plate 8 and bottom plate lower surface
Bar template 7, for the connection of outer framework 1 and load transducer 2, tension and compression actuator 15 is integrally fixed on outer framework；Whole system
System is first to load, real-time data collection, and by data feedback to controller, controller control oil pump, by the work of oil pump come
Realize the loading direction and loading speed of tension and compression actuator 15.
Assay method of the present utility model is：
Armored concrete test specimen 12 is positioned on inner frame, the downside reinforcing bar 11 of concrete sample 12 is stretched by U-shaped hole
Go out inner frame；Upper padding plate 8 is laid in the upside of concrete sample 12, the upper reinforcement 11 of concrete sample 12 passes through the center of backing plate 8
Cavity；Two bar templates 7 are placed in the upside of billet 8, two bar templates 7 are placed in bottom plate lower surface, corresponding aperture pierces into four
Root high-strength bolt 10, screws in nut 6, clamps concrete sample 12.The lower rebar 11 of concrete sample 12 and fixture connection, pass through
Magnetic gauge stand 5 connects displacement (LVDT) sensor 14.Whole system is first to load, real-time data collection, and by data feedback
To controller, controller control oil pump realizes the loading direction and loading speed of tension and compression actuator 15 by the work of oil pump.
Claims (6)
1. one kind determines basalt fibre muscle and Bond Performance Between Concrete experimental rig under cyclic load, it is characterised in that：Including
Outer framework, inner frame, test specimen fixed part, loading section and sensor element, the test specimen fixed part include upper fixture,
Lower clamp and the fastener for test specimen and inner frame to be fixed, the sensor element include load transducer and displacement sensing
Device, the loading section includes tension and compression actuator and the oil pump being connected with tension and compression actuator, and the load transducer is located at institute
State between upper fixture and inner frame, the lower clamp is connected in the tension and compression actuator, the lower clamp upper end is connected to examination
The lower end of part reinforcing bar, in the upper end connection institute displacement sensors of test specimen reinforcing bar, the upper fixture is fixed in the outer framework
Top surface, the tension and compression actuator is fixed on the outer framework inner bottom surface.
2. basalt fibre muscle and Bond Performance Between Concrete experimental rig under measure cyclic load according to claim 1,
It is characterized in that：Backing plate is provided with the test specimen, the fastener is the screw rod being connected on test specimen, in the upper end of screw rod
It is connected through the backing plate and with nut, the lower end of screw rod is connected through inner frame bottom plate and with nut.
3. basalt fibre muscle and Bond Performance Between Concrete experimental rig under measure cyclic load according to claim 2,
It is characterized in that：Stripe board is also respectively provided between the nut and backing plate and nut and inner frame.
4. basalt fibre muscle and Bond Performance Between Concrete experimental rig under measure cyclic load according to claim 3,
It is characterized in that：Bar template length is more than outer framework thickness.
5. tried according to basalt fibre muscle under any described measure cyclic load of Claims 1-4 with Bond Performance Between Concrete
Experiment device, it is characterised in that：Institute's displacement sensors are connected to the side of the inner frame by Magnetic gauge stand.
6. basalt fibre muscle and Bond Performance Between Concrete experimental rig under measure cyclic load according to claim 5,
It is characterized in that：Internal and external frame amounts to four pieces of steel plate welding assemblies into being integral by side plate, bottom plate, top plate；Top plate center
Perforate is connected from different load transducers；Bottom plate has U-shaped hole so that test specimen bottom reinforcement bars is passed through from bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406012.5U CN206504999U (en) | 2016-12-20 | 2016-12-20 | Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406012.5U CN206504999U (en) | 2016-12-20 | 2016-12-20 | Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504999U true CN206504999U (en) | 2017-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406012.5U Expired - Fee Related CN206504999U (en) | 2016-12-20 | 2016-12-20 | Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504999U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817214A (en) * | 2017-10-20 | 2018-03-20 | 扬州大学 | A kind of basalt fibre and asphalt mastic interface binding intensity measure device and method of testing |
| CN108181234A (en) * | 2018-02-06 | 2018-06-19 | 山西省交通科学研究院 | A kind of fiber and pitch adhesive property test device |
| CN108896422A (en) * | 2018-09-13 | 2018-11-27 | 郑州大学 | Muscle material and Bond Performance Between Concrete experimental rig and method under a kind of cyclic reverse loading |
-
2016
- 2016-12-20 CN CN201621406012.5U patent/CN206504999U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817214A (en) * | 2017-10-20 | 2018-03-20 | 扬州大学 | A kind of basalt fibre and asphalt mastic interface binding intensity measure device and method of testing |
| CN107817214B (en) * | 2017-10-20 | 2021-04-23 | 扬州大学 | Basalt fiber and asphalt cement interface bonding strength measuring device and testing method |
| CN108181234A (en) * | 2018-02-06 | 2018-06-19 | 山西省交通科学研究院 | A kind of fiber and pitch adhesive property test device |
| CN108181234B (en) * | 2018-02-06 | 2021-03-16 | 山西省交通科学研究院 | Fiber and asphalt bonding performance testing device |
| CN108896422A (en) * | 2018-09-13 | 2018-11-27 | 郑州大学 | Muscle material and Bond Performance Between Concrete experimental rig and method under a kind of cyclic reverse loading |
| CN108896422B (en) * | 2018-09-13 | 2024-03-19 | 郑州大学 | Device and method for testing bonding performance of reinforcement and concrete under repeated load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20201220 |