CN206505075U - A kind of test device of the early age autogenous volumetric deformation of concrete - Google Patents
A kind of test device of the early age autogenous volumetric deformation of concrete Download PDFInfo
- Publication number
- CN206505075U CN206505075U CN201621405834.1U CN201621405834U CN206505075U CN 206505075 U CN206505075 U CN 206505075U CN 201621405834 U CN201621405834 U CN 201621405834U CN 206505075 U CN206505075 U CN 206505075U
- Authority
- CN
- China
- Prior art keywords
- strain gauge
- stack shell
- test device
- fixed mount
- concrete
- Prior art date
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of test device of the early age autogenous volumetric deformation of concrete, including capping, ladle body and strain gauge, the capping is arranged at stack shell upper end open, the strain gauge is arranged in the stack shell, a strain gauge fixed mount is provided with the stack shell, the strain gauge fixed mount is connected on the stack shell by the way that an installing mechanism being arranged on the wall of the stack shell side is detachable, and the strain gauge is arranged on the center of the strain gauge fixed mount.The utility model strain gauge perpendicular to test specimen center, while being passed through insulation water in cylinder by temperature control water tank, good constant temperature effect is reached to concrete sample, the data of measure are more effective, it is adaptable to on-the-spot test when can make strain gauge reading by mounting bracket.The characteristics of the utility model test device is that assembling is simple, and easy to operate, instrument needed for experiment is less, effectively fixed strain gauge position, and reusable.
Description
Technical field
The utility model is related to a kind of device for determining the early age autogenous volumetric deformation test of concrete, belongs to coagulation civil engineering
Build field.
Background technology
At present, it is necessary to strain gauge is vertically embedded into concrete sample center, generally during measurement concrete autogenous volumetric deformation
Way be：When concrete sample bucket is poured into half, strain gauge is inserted perpendicularly into concrete sample with hand, then completed
Concrete sample bucket cast, is difficult to keep strain gauge vertical in process of vibrating.
At present during measurement concrete autogenous volumetric deformation, the test specimen in autogenous volumetric deformation bucket can not take after the completion of experiment
Go out, autogenous volumetric deformation bucket can not be used for multiple times.
At present during measurement concrete autogenous volumetric deformation, experimental situation temperature can not keep constant mostly.
Therefore the test device of the early age autogenous volumetric deformation of research concrete has realistic meaning.
Utility model content
Technical problem to be solved in the utility model be for above-mentioned prior art exist deficiency, and one kind is provided can
Tear the test device of the early age autogenous volumetric deformation of the concrete for being easy to strain gauge to fix of formula open.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of test device of the early age autogenous volumetric deformation of concrete, including capping, ladle body and strain gauge, the envelope
Lid is arranged at stack shell upper end open, and the strain gauge is arranged in the stack shell, it is characterised in that：Set in the stack shell
There is a strain gauge fixed mount, the strain gauge fixed mount passes through the detachable company of an installing mechanism being arranged on the wall of the stack shell side
It is connected on the stack shell, the strain gauge is arranged on the center of the strain gauge fixed mount.
The installing mechanism includes the latch for being arranged on more than three on stack shell circumferencial direction.
The latch is T-shaped latch.
The stack shell is hollow cylinder, and the temperature controlled water connected with cylinder hollow interior is connected with the stack shell
Case.
The cap central, which has, is provided with Elastic flexible glue ring inside perforate, perforate, strain gauge cable upper end passes through Elastic flexible glue
Ring is connected with tester, and strain gauge cable lower is connected with the strain gauge.
Connected between cylinder and temperature control water tank using oral siphon and outlet pipe.
The installing mechanism also includes being arranged on the uniform 4 square holes in ladle body middle part and being arranged on the strain gauge consolidating
Determine the slot on frame, the latch is inserted and can be located in the slot from the square cavity of the stack shell.
There is screwed hole in the ladle body bottom, the screw thread for concrete sample to be ejected is connected with the screwed hole
Bar.
Compared with prior art, the beneficial effects of the utility model are：
In the cylinder that the utility model strain gauge is removably fixed by installing mechanism, simple in construction, convenient disassembly can
Reuse.Perpendicular to test specimen center when can make strain gauge reading by mounting bracket, while by temperature control water tank in cylinder
Insulation water is inside passed through, good constant temperature effect is reached to concrete sample, the data of measure are more effective, it is adaptable to on-the-spot test.
The characteristics of the utility model test device is that assembling is simple, and easy to operate, instrument needed for experiment is less, effectively fixed strain gauge position
Put, and it is reusable.
Brief description of the drawings
Fig. 1 is the structural representation of the present apparatus；
Fig. 2 is the top view of present apparatus ladle body；
Fig. 3 is the A-A profiles of present apparatus bucket.
Reference numerals list：1- Elastic flexible glue rings；2- is covered；3- ladle bodies；4- water；5- latches；6- strain gauge cables；7- should
Become meter fixed mount；8- through holes；9- strain gauges；10- oral siphons；11- temperature control water tanks；12- concrete；13- screwed holes；
14- outlet pipes；15-T type threaded rods；16- testers.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is further described.It should be understood that following tools
Body embodiment is merely to illustrate the utility model rather than limits scope of the present utility model.
Such as the device that Fig. 1 shows, a kind of early age autogenous volumetric deformation of measure concrete of the utility model is tested, including capping
2nd, ladle body 3 and temperature control water tank 11.Having heaters and delivery pump are set in temperature control water tank 11.Cover 2 centers
Have and Elastic flexible glue ring 1 is provided with inside perforate, perforate, strain gauge cable 6 is connected through Elastic flexible glue ring 1 with tester 16.Ladle body 3
For hollow cylinder, water 4 is filled by temperature control water tank 11 inside hollow cylinder, ladle body 3 passes through with temperature control water tank 11
Water pipe is connected, and water pipe includes oral siphon 14 and outlet pipe 10.Visible with reference to Fig. 2, ladle body 3 is provided with the through hole 8 of more than 3,
In the present embodiment, the quantity of through hole 8 is 4, is shaped as square.Strain gauge 9 is arranged on strain gauge fixed mount 7, and 4 are located at
Thus the connection ladle body 3 of latch 5 and strain gauge fixed mount 7 on through hole, strain gauge fixed mount 7 fixed, in the present embodiment, inserted
Pin 5 is T-shaped latch.
Use the utility model device the early age autogenous volumetric deformation of test concrete method for：
Device is installed and fixed as illustrated.One layer of preservative film first is put in bucket inwall, and puts in bottom the hardboard scraps of paper.Coagulation
Native test specimen is poured into a mould in three times, concrete is poured into inner barrel wall bottom square opening bottom for the first time, and vibrated with vibrating spear.Afterwards
4 ends of strain gauge fixed mount are respectively aligned in 4 square holes of ladle body, and square opening is passed through on the outside of bucket with T-shaped latch
Hole and fixed mount hollow stem.Strain gauge passes through fixed mount centre bore, and the horizontal all directions position of strain gauge is fixed.Strain gauge bottom is tight
Paste concrete.Then continue to pour into a mould concrete, avoid vibrating spear from touching fixation to not having in overstrain meter top, second of process of vibrating
Frame.Finally cast concrete vibrates to bucket top.
Opening temperature controls water tank.Strain gauge cable through Elastic flexible glue ring, simultaneously clamp by frictionally, strain gauge Z-direction position
Fixation is put, and is connected to detection device.
After the completion of experiment, T-shaped threaded rod is ejected concrete sample by deforming the rotation of bottom of the barrel screwed hole.
Claims (8)
1. a kind of test device of the early age autogenous volumetric deformation of concrete, including capping, ladle body and strain gauge, the capping
It is arranged at stack shell upper end open, the strain gauge is arranged in the stack shell, it is characterised in that：It is provided with the stack shell
One strain gauge fixed mount, the strain gauge fixed mount passes through the detachable connection of an installing mechanism being arranged on the wall of the stack shell side
On the stack shell, the strain gauge is arranged on the center of the strain gauge fixed mount.
2. test device according to claim 1, it is characterised in that：The installing mechanism includes being arranged on stack shell circumference side
The latch of upward more than three.
3. test device according to claim 2, it is characterised in that：The latch is T-shaped latch.
4. the test device according to Claims 2 or 3, it is characterised in that：The stack shell is hollow cylinder, in the stack shell
On be connected with the temperature control water tank connected with cylinder hollow interior.
5. test device according to claim 4, it is characterised in that：The cap central has to be provided with inside perforate, perforate
Elastic flexible glue ring, strain gauge cable upper end is connected through Elastic flexible glue ring with tester, strain gauge cable lower and the strain
Meter connection.
6. test device according to claim 5, it is characterised in that：Oral siphon is used between cylinder and temperature control water tank
With outlet pipe connection.
7. test device according to claim 5, it is characterised in that：The installing mechanism also includes being arranged in the middle part of ladle body
Uniform 4 square holes and the slot being arranged on the strain gauge fixed mount, square sky of the latch from the stack shell
Hole is inserted and can be located in the slot.
8. test device according to claim 5, it is characterised in that：There is screwed hole in the ladle body bottom, in the spiral shell
The threaded rod for concrete sample to be ejected is connected with pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405834.1U CN206505075U (en) | 2016-12-20 | 2016-12-20 | A kind of test device of the early age autogenous volumetric deformation of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405834.1U CN206505075U (en) | 2016-12-20 | 2016-12-20 | A kind of test device of the early age autogenous volumetric deformation of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505075U true CN206505075U (en) | 2017-09-19 |
Family
ID=59842692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621405834.1U Expired - Fee Related CN206505075U (en) | 2016-12-20 | 2016-12-20 | A kind of test device of the early age autogenous volumetric deformation of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206505075U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907411A (en) * | 2017-11-14 | 2018-04-13 | 中国水利水电科学研究院 | A kind of method for measuring concrete overall process autogenous volumetric deformation |
| CN109443231A (en) * | 2018-12-22 | 2019-03-08 | 中国地质大学（武汉） | It is a kind of by Fibre Optical Sensor it is unstressed based on |
| CN113740145A (en) * | 2021-09-06 | 2021-12-03 | 中国工程物理研究院电子工程研究所 | Device and method for testing bulk modulus of elastomer material |
-
2016
- 2016-12-20 CN CN201621405834.1U patent/CN206505075U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907411A (en) * | 2017-11-14 | 2018-04-13 | 中国水利水电科学研究院 | A kind of method for measuring concrete overall process autogenous volumetric deformation |
| CN109443231A (en) * | 2018-12-22 | 2019-03-08 | 中国地质大学（武汉） | It is a kind of by Fibre Optical Sensor it is unstressed based on |
| CN109443231B (en) * | 2018-12-22 | 2021-05-28 | 中国地质大学（武汉） | Stress-free meter based on optical fiber sensing |
| CN113740145A (en) * | 2021-09-06 | 2021-12-03 | 中国工程物理研究院电子工程研究所 | Device and method for testing bulk modulus of elastomer material |
| CN113740145B (en) * | 2021-09-06 | 2023-05-05 | 中国工程物理研究院电子工程研究所 | Device and method for testing bulk modulus of elastomer material |
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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 |
Granted publication date: 20170919 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |