CN207851071U - It is a kind of to be used to test the concrete deformation device in immersion liquid - Google Patents
It is a kind of to be used to test the concrete deformation device in immersion liquid Download PDFInfo
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- CN207851071U CN207851071U CN201820227103.5U CN201820227103U CN207851071U CN 207851071 U CN207851071 U CN 207851071U CN 201820227103 U CN201820227103 U CN 201820227103U CN 207851071 U CN207851071 U CN 207851071U
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- Prior art keywords
- eddy current
- concrete
- immersion liquid
- testing
- deformation device
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000007654 immersion Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- 241000222712 Kinetoplastida Species 0.000 claims 1
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 18
- 230000003628 erosive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model is related to a kind of test equipment fields of the concrete structure deformation in evaluation immersion liquid, and in particular to and it is a kind of for testing concrete deformation device in immersion liquid, including：Container case, container case includes the cavity for holding test liquid, one group of eddy current sensor is included at least on cavity wall, every group includes two eddy current sensors, and two eddy current sensor it is opposite with the both ends on concrete sample deflection measurement direction respectively, concrete sample is provided with metal derby at the position opposite with eddy current sensor.The technical solution of the utility model tests the deformation of concrete sample by eddy current sensor, realize datamation acquisition, effective evaluation is carried out for the contraction or expansion deformation for impregnating concrete structure in a liquid in Practical Project, and ensures measurement data high-precision.
Description
Technical field
The utility model is related to a kind of test equipment fields of the concrete structure deformation in evaluation immersion liquid, specifically relate to
And it is a kind of for testing the concrete deformation device in immersion liquid.
Background technology
Concrete deformation includes mainly concrete shrinkage and expansion；Concrete shrinkage refers to its condensation hardening and was on active service
Cheng Zhong, due to volume-diminished caused by the factors such as chemical reaction, temperature change and internal moisture variation；And concrete expansion is
Refer to its volume expansion caused by the factors such as chemical reaction, internal moisture variation during being on active service.Concrete deformation increase can be led
Concrete structure cracking is caused, to reduce endurance performance of concrete, reduces usability and the safety of works.
Concrete structure in a liquid is impregnated in Practical Project（The bridge pier of such as underwater, pile foundation）It is as transmission
The important feature of load is the guarantee of whole building safety, therefore, to it under corresponding solution environmental deformation test and anti-
The evaluation of fragility energy is particularly important.However there is no a kind of simple and practicable test methods regarding to the issue above to obtain at present
Accurate test data is obtained, this problem has become those skilled in the art's urgent problem to be solved.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of for testing the concrete deformation in immersion liquid
Device tests the deformation of concrete sample by eddy current sensor, datamation acquisition is realized, for being impregnated in Practical Project
The contraction or expansion deformation of concrete structure in a liquid carries out effective evaluation, and ensures measurement data high-precision.
The technical scheme in the invention for solving the technical problem is：
It is a kind of to be used to test the concrete deformation device in immersion liquid, the deflection for testing concrete sample, packet
It includes：Container case, container case include the cavity for holding test liquid, and one group of currents sensing is included at least on cavity wall
Device, every group includes two eddy current sensors, and two eddy current sensors respectively with two on concrete sample deflection measurement direction
End is opposite, and concrete sample is provided with metal derby at the position opposite with eddy current sensor.
Further, cavity is right prism body, is placed by two parallel planes being oppositely arranged on right prism body sidewall
Two eddy current sensors in every group of eddy current sensor.
Further, cavity bottom is provided with sole-plate, and sole-plate surface is provided with protrusion.
Further, protrusion is rolling element.
Further, rolling element is cylinder.
Further, container case is plexiglass structure.
Further, the two eddy current sensors height in every group of eddy current sensor is identical.
Further, sole-plate is stainless-steel sheet.
After using above-mentioned technical proposal, the utility model has advantageous effect below：
Current vortex sensor can statically and dynamically non-contact, high linearity, measure metal conductor measured to high resolution
Distance away from detecting head surface, it is a kind of non-contacting linearisation metering outfit, and current vortex sensor can accurately measure measured body
Static and dynamic relative displacement variation between metallic conductor and probe tip face；It is tested by eddy current sensor in the utility model
Datamation acquisition is realized in the deformation of concrete sample, ensures measurement data high-precision, and entire test device structure letter
It is single, it is easy to accomplish, more practicability.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for testing the concrete deformation device in immersion liquid in the utility model；
Reference numeral：Container case 1, eddy current sensor 2, metal derby 3, sole-plate 4, protrusion 5, concrete sample 6.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Embodiment one
As shown in Figure 1, it is a kind of for testing the concrete deformation device in immersion liquid, for testing concrete sample
Deflection, including：Container case 1, container case 1 include the cavity for holding test liquid, include one group of whirlpool on cavity wall
Flow sensor 2, every group includes two eddy current sensors 2, and two eddy current sensors 2 respectively with concrete sample deflection test side
Upward both ends are opposite, and concrete sample 6 is provided with metal derby 3 at the position opposite with eddy current sensor 2.
In the present embodiment, cavity 1 is cuboid, and the cavity form processing of cuboid is relatively easy to, leads on rectangular body sidewall
Two parallel planes that are oppositely arranged are crossed to place two eddy current sensors 2 in every group of eddy current sensor 2, parallel mounting plane is set
Set the installation for making two eddy current sensors 2 in every group and to just more convenient.During test, adopted by using data
Collection and analysis software, can be obtained the variation of distance between eddy current sensor 2 and concrete both ends built-in metal block 3, so as to
The variation of 6 length of concrete sample.
In order to reduce the frictional force that 6 bottom of concrete sample is subject to, so that test result is more accurate, cavity bottom
It is provided with sole-plate 4, sole-plate 4 is the stainless steel plate of resistant to liquid erosion and volume stability, and 4 surface of sole-plate is arranged
There is a protrusion 5, in the present embodiment, protrusion 5 is cylindrical structure, and the axis of cylinder is set perpendicular to deformation quantity measurement direction
It sets, therefore when concrete sample 6 deforms upon, can effectively reduce and test is tied due to frictional force by the rolling of cylinder
Influence caused by fruit.
In order to ensure the accuracy of test, two eddy current sensors, 2 height in every group of eddy current sensor 2 is identical, to make
Must test deformation quantity be in same level, avoid because between 6 different height level of concrete sample the difference of deflection due to
Test result is impacted.
Embodiment two
It is a kind of to be used to test the concrete deformation device in immersion liquid, the deflection for testing concrete sample, packet
It includes：Container case 1, using resistant to liquid erosion and the polymethyl methacrylate of volume stability（PMMA）Prepared by organic glass, container
Case 1 includes the cavity for holding test liquid, includes two groups of eddy current sensors 2 on cavity wall, every group includes two whirlpools
Flow sensor 2, and two eddy current sensors 2 are opposite with the both ends on concrete sample deflection measurement direction respectively, concrete examination
Part 6 is provided with metal derby 3 at the position opposite with eddy current sensor 2.
In the present embodiment, cavity 1 is cuboid, two parallel planes being oppositely arranged by two groups on 1 side wall of cuboid come
Two eddy current sensors 2 in two groups of eddy current sensors 2 are placed, when multigroup parallel mounting plane is set, concrete can be tried simultaneously
The deflection of part in two directions carries out test simultaneously.
In order to reduce the frictional force that 6 bottom of concrete sample is subject to, so that test result is more accurate, cavity bottom
It is provided with sole-plate 4, sole-plate 4 is the stainless steel plate of resistant to liquid erosion and volume stability, and 4 surface of sole-plate is arranged
There is a protrusion 5, in the present embodiment, protrusion 5 is spherical ball, and spherical ball scattering device, stainless steel surface are provided with
It to the groove class formation that ball is limited, prevents ball from being tumbled from stainless steel surface, is deformed upon in concrete sample 6
When, the influence caused by test result due to frictional force can be effectively reduced by the rolling of spherical ball.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (8)
1. a kind of for testing the concrete deformation device in immersion liquid, the deflection for testing concrete sample is special
Sign is, including：Container case（1）, the container case（1）Include the cavity for holding test liquid, the cavity wall
It is upper to include at least one group of eddy current sensor（2）, every group includes two eddy current sensors（2）, and two eddy current sensors
（2）It is opposite with the both ends on the concrete sample deflection measurement direction respectively, the concrete sample（6）With the vortex
Sensor（2）It is provided with metal derby at opposite position（3）.
2. according to claim 1 for testing the concrete deformation device in immersion liquid, which is characterized in that the chamber
Body is right prism body, every group is placed by two parallel planes being oppositely arranged on the right prism body sidewall described in currents sensing
Device（2）In two eddy current sensors（2）.
3. according to claim 1 for testing the concrete deformation device in immersion liquid, which is characterized in that the chamber
Body bottom is provided with sole-plate（4）, and the sole-plate（4）Surface is provided with protrusion（5）.
4. according to claim 3 for testing the concrete deformation device in immersion liquid, which is characterized in that described convex
Play object（5）For rolling element.
5. according to claim 4 for testing the concrete deformation device in immersion liquid, which is characterized in that the rolling
Kinetoplast is cylinder.
6. according to claim 1 for testing the concrete deformation device in immersion liquid, which is characterized in that the appearance
Device case（1）For plexiglass structure.
7. according to claim 1 for testing the concrete deformation device in immersion liquid, which is characterized in that every group of whirlpool
Flow sensor（2）In two eddy current sensors（2）It is highly identical.
8. according to claim 3 for testing the concrete deformation device in immersion liquid, which is characterized in that the rail
Road bottom plate（4）For stainless-steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227103.5U CN207851071U (en) | 2018-02-09 | 2018-02-09 | It is a kind of to be used to test the concrete deformation device in immersion liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227103.5U CN207851071U (en) | 2018-02-09 | 2018-02-09 | It is a kind of to be used to test the concrete deformation device in immersion liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207851071U true CN207851071U (en) | 2018-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820227103.5U Expired - Fee Related CN207851071U (en) | 2018-02-09 | 2018-02-09 | It is a kind of to be used to test the concrete deformation device in immersion liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207851071U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458925A (en) * | 2019-01-04 | 2019-03-12 | 中南大学 | Deformation dynamics test device and method of the cement-based material during thermal curing |
| CN111912686A (en) * | 2020-08-11 | 2020-11-10 | 中南大学 | Concrete hydrothermal curing and stress-strain integrated testing device and testing method thereof |
| CN114646753A (en) * | 2021-12-24 | 2022-06-21 | 中铁二十四局集团有限公司 | Concrete expansion and shrinkage deformation testing system in curing period |
-
2018
- 2018-02-09 CN CN201820227103.5U patent/CN207851071U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458925A (en) * | 2019-01-04 | 2019-03-12 | 中南大学 | Deformation dynamics test device and method of the cement-based material during thermal curing |
| CN109458925B (en) * | 2019-01-04 | 2020-08-14 | 中南大学 | Dynamic deformation testing method for cement-based material in thermal curing process |
| CN111912686A (en) * | 2020-08-11 | 2020-11-10 | 中南大学 | Concrete hydrothermal curing and stress-strain integrated testing device and testing method thereof |
| CN111912686B (en) * | 2020-08-11 | 2021-08-17 | 中南大学 | Concrete hydrothermal curing and stress-strain integrated testing device and testing method thereof |
| CN114646753A (en) * | 2021-12-24 | 2022-06-21 | 中铁二十四局集团有限公司 | Concrete expansion and shrinkage deformation testing system in curing period |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |