CN206132767U - Concrete expansion rate apparatus - Google Patents
Concrete expansion rate apparatus Download PDFInfo
- Publication number
- CN206132767U CN206132767U CN201621162804.2U CN201621162804U CN206132767U CN 206132767 U CN206132767 U CN 206132767U CN 201621162804 U CN201621162804 U CN 201621162804U CN 206132767 U CN206132767 U CN 206132767U
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- Prior art keywords
- concrete
- expansion rate
- fixed
- testing tube
- concrete expansion
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Abstract
The utility model relates to an experiment measurement technical field specifically discloses a concrete expansion rate apparatus, include: base, testing tube, lid fill up, test support and displacement sensor, wherein: the bottom of testing tube is fixed in the base, the lid fills up and is located inside the testing tube, the test support one end with the base is fixed, displacement sensor is fixed in the test support, and displacement sensor is located testing tube open -top's top, wherein, the position mobile sensors with the lid fills up correspondingly. The utility model provides a concrete expansion rate apparatus through set up displacement sensor above the testing tube, when bearing the concrete in the testing tube, covers to fill up and covers on the concrete, and along with the inflation of concrete, the lid pad is passed through survey and covers the position change that fills up by jack -up, displacement sensor, surveys the expansion rate of concrete, and the realization is the free swelling rate's of accurate test concrete sample data fast, convenient to use, easy operation.
Description
【Technical field】
This utility model is related to test field of measuring technique, more particularly to a kind of concrete expansion rate analyzer.
【Background technology】
It is that coagulation is mixed in structural concrete to be presently used for the most economical practical method of building structure anti-crack and anti-seepage
Soil expansion agent, for the contraction of compensating concrete itself, reaches the purpose of anti-crack and anti-seepage.However, the usage amount of extender wants root
Comprehensively to determine according to its limited expansion rate, therefore, Accurate Determining limited expansion rate is to extender in expansive concrete
Using critically important.
During this utility model is realized, inventor has found that prior art at least has problems with：
GB23439-2009《Cement expansive material》In define and a kind of determine the limited expansion rate of mixing extender concrete and limit dry
The equipment and assay method of shrinkage, this equipment and assay method have the disadvantage that：First, test data is each age
Time point data, it is impossible to the follow-on test in maintenance；Second, in each test process, multiple suppressed zero is needed, repeatedly lift is put
Test block, it is artificial cumbersome；3rd, it is higher to the requirement of concrete test block surface cleanness degree, and clean-up performance directly affects test
Accuracy；4th, it is higher to the requirement of concrete test block forming process, once concrete test block is concavo-convex with the appearance of equipment contact surface
When uneven or losing fangle or non-standard cuboid, limited expansion rate test accuracy will be greatly affected；5th, tested
Journey consumption manpower is more, needs two people to coordinate and completes, wherein a people is responsible for controlling test block, another people is responsible for controlling amesdial gauge head.Cause
How this, design a kind of free swelling rate analyzer, can continuous detecting, test accuracy is good, easy to operate, test process need not
Manual intervention.
【Utility model content】
The technical problems to be solved in the utility model is existing limited expansion rate test equipment and method test seriality
It is poor that poor, operation is more complicated, manpower expends more, test accuracy.
To solve above-mentioned technical problem, this utility model provides technical scheme below：
This utility model provides a kind of concrete expansion rate analyzer, including：Base, testing tube, Cover Gasket, test bracket and
Displacement transducer, wherein：The base is fixed in the bottom of the testing tube；The Cover Gasket is located inside the testing tube；Institute
The one end and the base for stating test bracket is fixed, and institute's displacement sensors are fixed on the test bracket, and the displacement
Sensor is located at the open-topped top of the testing tube, wherein, the position movable sensor is corresponding with the Cover Gasket.
Alternatively, the concrete expansion rate analyzer also includes a circular bubble, and the circular bubble is arranged on described
On base.
Alternatively, the test bracket includes vertical bar and horizon bar；One end of the vertical bar is fixed with the base,
One end of the other end of the vertical bar and the horizon bar is fixed, and the other end of the horizon bar extends to the testing tube top
The other end of the horizon bar is fixed in the top of portion's opening, institute's displacement sensors.
Alternatively, the test bracket also includes fixed ball and elastic deformation part；The other end of the vertical bar is provided with
First fixing groove, one end of the elastic deformation part are fixed in first fixing groove, the other end of the elastic deformation part
Fix with the fixed ball, the fixed ball portion protrudes from first fixing groove；One end of the horizon bar arranges second
Fixing groove, the side wall of second fixing groove are provided with depression, insert second fixing groove in the other end of the vertical bar
When, the fixed ball protrudes the part of first fixing groove and the depression male-female engagement is fixed.
Alternatively, the Cover Gasket includes cover film and the covering pad on the cover film, wherein, the covering
Thin film is carried on the concrete housed by the testing tube.
Alternatively, a diameter of 60mm of the cover film.
Alternatively, the cover film is plastic sheeting.
Alternatively, a diameter of 55mm, a height of 5-10mm for covering pad.
Alternatively, the pad that covers is for polystyrene foam plastics pad.
Alternatively, the volume of the testing tube is 1000ml.
The concrete expansion rate analyzer that this utility model is provided, by arranging displacement transducer above testing tube, when
When carrying concrete in testing tube, Cover Gasket is placed on concrete, and with the expansion of concrete, Cover Gasket is by jack-up, displacement transducer
By the change in location for determining Cover Gasket, the expansion rate of concrete is determined, oneself of concrete sample is fast and accurately tested in realization
It is by the data of expansion rate, easy to use, it is simple to operate.
【Description of the drawings】
A kind of structural representation of concrete expansion rate analyzer that Fig. 1 is provided for this utility model embodiment.
【Specific embodiment】
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
As shown in figure 1, a kind of structural representation of the concrete expansion rate analyzer provided for this utility model embodiment,
The concrete expansion rate analyzer includes：Base 1, testing tube 2, Cover Gasket 3, test bracket 4 and displacement transducer 5, wherein：The survey
The base 1 is fixed in the bottom of test tube 2, and the Cover Gasket 3 is located inside the testing tube 2, one end of the test bracket 4 and the base 1
Fixed, the displacement transducer 5 is fixed on the test bracket 4, and the displacement transducer 5 is open-topped positioned at the testing tube 2
Top, wherein, the movable sensor 5 is corresponding with the Cover Gasket 3.By arranging displacement transducer 5 above testing tube 2, when
When carrying concrete in testing tube 2, Cover Gasket 3 is placed on concrete, and with the expansion of concrete, Cover Gasket 3 is by jack-up, displacement sensing
Change in location of the device 5 by measure Cover Gasket 3, determines the expansion rate of concrete, and concrete sample is fast and accurately tested in realization
Free swelling rate data, it is easy to use, it is simple to operate.
Specifically, the concrete expansion rate analyzer also includes a circular bubble 6, and the circular bubble 6 is arranged on the base 1
On, the effect of circular bubble 6 is that whether the convenient observation base 1 is in smooth shape during concrete expansion rate is tested
State, proves that when the center bubble of the circular bubble 6 is located at middle the base 1 is located at formation state, otherwise, needs adjustment to be somebody's turn to do
The position of base 1, on the base, 1 is provided with knob, can be used to adjust the height of the base 1.
Specifically, the test bracket 4 includes vertical bar 41 and horizon bar 42, and one end of the vertical bar 41 is solid with the base 1
Calmly, the other end of the vertical bar 41 is fixed with one end of the horizon bar 42, and the other end of the horizon bar 42 extends to the testing tube 2
The other end of the horizon bar 42 is fixed in open-topped top, the displacement transducer 5, it is preferable that the displacement transducer 5 is sharp
Optical displacement sensor, its measurement range are ± 2.5mm, and measuring accuracy is not less than 0.0025mm；Further, the test bracket 4
Also include fixed ball and elastic deformation part, the other end of the vertical bar 41 is provided with the first fixing groove, the one of the elastic deformation part
End is fixed in first fixing groove, and the other end of the elastic deformation part is fixed with the fixation ball, and the fixation ball portion is protruded from
First fixing groove, one end of the horizon bar 42 arrange the second fixing groove, and the side wall of second fixing groove is provided with depression, at this
When the other end of vertical bar 41 inserts second fixing groove, the part that the fixation ball protrudes first fixing groove is concavo-convex with the depression
Coordinate and fix.This kind of fixed form makes 42 fixing compact of the vertical bar 41 and horizon bar, is difficult to loosen, while convenient dismantle, just
Change in the maintenance of part.Certainly, in other alternate embodiments, the fixed form between horizon bar 42 and vertical bar 41 also may be used
Think alternate manner, for example：Bolt is fixed, glue fix etc..
Specifically, the Cover Gasket 3 includes cover film 31 and the covering pad 32 on the cover film 31, wherein, this covers
Lid thin film 31 is carried on the concrete housed by the testing tube 2, it is preferable that the volume of the testing tube be 1000ml, the covering
A diameter of 60mm of thin film 31, the cover film 31 be plastic sheeting, a diameter of 55mm of the covering pad 32, a height of 5-10mm,
The covering pad 32 is polystyrene foam plastics pad, and the cover film 31 has good sealing, on the one hand so that concrete
Be isolated from the outside free wxpansion, it is to avoid external environment is impacted to experimental result, on the other hand facilitates the covering pad 32 to add,
Avoid the Concrete contamination covering pad 32.What deserves to be explained is, above parameter is only the parameter in the case of preferred embodiment, not
For limiting this utility model, in actual applications, the parameter can also be set according to experiment needs.
A kind of test of concrete expansion rate analyzer this utility model provided below in conjunction with specific embodiment
Journey is further detailed：
(1) first the slurry of the concrete sample for stirring is slowly injected in the testing tube 2, the coagulation soil sample of loading
The slurry top surface of product is about 10mm apart from the distance of 2 top open part of testing tube.
(2) cover film 31 is put in the testing tube 2 so that the cover film 31 is carried on the testing tube 2 and is housed
Concrete sample slurry surface on, being then placed in covering pad 32, that concrete sample is had in the testing tube 2 is preferable
Sealing.
(3) observe whether base 1 is smooth using circular bubble 6, and the height of base 1 is suitably adjusted by knob, pass through
Just the displacement transducer 5 of Cover Gasket 3 is tested, the initial height of the slurry of the concrete sample housed by the testing tube 2 is recorded
Degree h.
After (4) 30 minutes, the slurry height I of the concrete sample housed by the testing tube 2 is recorded0。
After (5) 24 hours, the slurry height I of concrete sample that the testing tube 2 housed is recorded again1, by freedom
Expansion rate formula=(I1-I0) * 100/h, calculate the free swelling rate of the concrete sample.
The concrete expansion rate analyzer that the present embodiment is provided, by arranging displacement transducer above testing tube, works as survey
When carrying concrete in test tube, Cover Gasket is placed on concrete, and with the expansion of concrete, Cover Gasket is led to by jack-up, displacement transducer
The change in location for determining Cover Gasket is crossed, the expansion rate of concrete is determined, realizes fast and accurately testing the freedom of concrete sample
The data of expansion rate, it is easy to use, it is simple to operate.Meanwhile, circular bubble is provided with base of measuring equipment, in concrete expansion rate
During test, whether convenient observation base of measuring equipment is in formation state so that test result is more accurate.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of concrete expansion rate analyzer, it is characterised in that include：Base, testing tube, Cover Gasket, test bracket and displacement
Sensor, wherein：
The base is fixed in the bottom of the testing tube；
The Cover Gasket is located inside the testing tube；
One end of the test bracket is fixed with the base, and institute's displacement sensors are fixed on the test bracket, and institute
Displacement sensors are located at the open-topped top of the testing tube, wherein, the position movable sensor is relative with the Cover Gasket
Should.
2. concrete expansion rate analyzer as claimed in claim 1, it is characterised in that also including a circular bubble, the circle
Spirit level is arranged on the base.
3. concrete expansion rate analyzer as claimed in claim 1, it is characterised in that
The test bracket includes vertical bar and horizon bar；
One end of the vertical bar is fixed with the base, and one end of the other end of the vertical bar and the horizon bar is fixed,
The other end of the horizon bar extends to the open-topped top of the testing tube, and institute's displacement sensors are fixed on the level
The other end of bar.
4. concrete expansion rate analyzer according to claim 3, it is characterised in that
The test bracket also includes fixed ball and elastic deformation part；
The other end of the vertical bar is provided with the first fixing groove, and first fixation is fixed in one end of the elastic deformation part
In groove, the other end of the elastic deformation part is fixed with the fixed ball, and the fixed ball portion protrudes from described first and fixes
Groove；
One end of the horizon bar arranges the second fixing groove, and the side wall of second fixing groove is provided with depression, described vertical
When the other end of bar inserts second fixing groove, the part that the fixed ball protrudes first fixing groove is recessed with the depression
It is convex to coordinate fixation.
5. concrete expansion rate analyzer according to claim 1, it is characterised in that
The Cover Gasket includes cover film and the covering pad on the cover film, wherein, the cover film is carried on
On the concrete housed by the testing tube.
6. concrete expansion rate analyzer as claimed in claim 5, it is characterised in that the cover film it is a diameter of
60mm。
7. concrete expansion rate analyzer as claimed in claim 5, it is characterised in that the cover film is plastic sheeting.
8. concrete expansion rate analyzer as claimed in claim 5, it is characterised in that a diameter of 55mm of the covering pad,
A height of 5-10mm.
9. concrete expansion rate analyzer as claimed in claim 5, it is characterised in that the covering pad is polystyrene foam
Plastic mattress.
10. concrete expansion rate analyzer as claimed in claim 1, it is characterised in that the volume of the testing tube is
1000ml。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162804.2U CN206132767U (en) | 2016-11-01 | 2016-11-01 | Concrete expansion rate apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162804.2U CN206132767U (en) | 2016-11-01 | 2016-11-01 | Concrete expansion rate apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132767U true CN206132767U (en) | 2017-04-26 |
Family
ID=58575256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162804.2U Active CN206132767U (en) | 2016-11-01 | 2016-11-01 | Concrete expansion rate apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748247A (en) * | 2017-11-07 | 2018-03-02 | 中建局集团建设发展有限公司 | Steel pipe inner concrete amount of contraction accurate laser measurement device and its application method |
| CN113376360A (en) * | 2021-06-02 | 2021-09-10 | 广东龙湖科技股份有限公司 | Method for testing expansion rate of gypsum powder and application thereof |
-
2016
- 2016-11-01 CN CN201621162804.2U patent/CN206132767U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748247A (en) * | 2017-11-07 | 2018-03-02 | 中建局集团建设发展有限公司 | Steel pipe inner concrete amount of contraction accurate laser measurement device and its application method |
| CN113376360A (en) * | 2021-06-02 | 2021-09-10 | 广东龙湖科技股份有限公司 | Method for testing expansion rate of gypsum powder and application thereof |
| CN113376360B (en) * | 2021-06-02 | 2022-03-22 | 广东龙湖科技股份有限公司 | Method for testing expansion rate of gypsum powder and application thereof |
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