CN108459155A - Curing concrete contraction distortion test device in a kind of water - Google Patents
Curing concrete contraction distortion test device in a kind of water Download PDFInfo
- Publication number
- CN108459155A CN108459155A CN201810559401.9A CN201810559401A CN108459155A CN 108459155 A CN108459155 A CN 108459155A CN 201810559401 A CN201810559401 A CN 201810559401A CN 108459155 A CN108459155 A CN 108459155A
- Authority
- CN
- China
- Prior art keywords
- concrete
- contraction distortion
- test
- test device
- roller bearing
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 230000008602 contraction Effects 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses curing concrete contraction distortion test devices in a kind of water, belong to concrete performance examination field, including transverse slat, stringer board and roller bearing, the transverse slat connect to form square frame with stringer board head and the tail, lower frame is internally provided with support plate, and square frame is divided into several test modules by the support plate；The roller bearing is arranged in test module, and roller bearing is vertically arranged with stringer board；Concrete sample is arranged on the roller bearing of test module, and the end set of concrete sample has concrete test head；The displacement meter of curing concrete contraction distortion test device is arranged on the column on transverse slat in the water, and the absolute altitude conversion ruler is arranged between displacement meter and concrete test head.Curing concrete contraction distortion test device, reasonable for structure in water provided by the invention, simple operation, and concrete sample contraction distortion on roller bearing in test module is arranged, reduces the influence that external disturbance tests concrete shrinkage deformation, improves measurement accuracy.
Description
Technical field：
The present invention relates to curing concrete contraction distortion test dresses in concrete performance examination field more particularly to a kind of water
It sets.
Background technology：
Contraction distortion is the inherent characteristic of cement concrete material, is the main original for causing concrete material performance to deteriorate
Cause.In recent years, cement concrete technology develops to low water binder ratio, high fluidity and high intensity direction, and concrete is because of contraction distortion
Excessive and the problem of causing cracking destruction, also becomes more prominent because the reduction of water-cement ratio, the use of high efficiency water reducing agent and
Increase of Slurry transport etc. can aggravate the contraction distortion of concrete significantly.Statistical data show because early-age plastic shrinkage deformation and
Crack proportion highest caused by self-constriction deformation.Therefore, it realizes and the deformation of concrete early-age plastic shrinkage and self-constriction is become
The accurate measurement of shape has become the important research work of one, engineering research field.
Currently, common concrete shrinkage deformation test device is mostly for designed by maturing, either spiral shell
Rangefinder, foil gauge or strain gauge are revolved, can only could be tested after concrete has some strength, it can not be effective
Test the presclerotic plastic shrinkage deformation of concrete coagulation and self-constriction deformation.The measurement that concrete free wxpansion is shunk tests institute
The instrument of use comes with some shortcomings：
(1) concrete free wxpansion at this stage shrinks tester during the test, and the gravity of concrete sample can be right
The frictional force of vertical direction has an impact, and the accuracy of experimental data can be reduced significantly, concrete sample and extraneous ring
Frictional force between border is larger, and the accuracy of experimental data is caused to decline；
(2) installation and unloading for tester measuring probe during carrying out test of many times that concrete free wxpansion is shunk
It is a cumbersome job, is easily damaged measuring probe.
Invention content：
Of the existing technology to overcome the problems, such as, the object of the present invention is to provide curing concrete contraction distortions in a kind of water
Test device, including transverse slat, stringer board and roller bearing, the transverse slat and stringer board head and the tail are spliced to form square frame, square frame it is interior
Portion is provided with support plate, and the support plate is vertically set between transverse slat, and square frame is divided into several test moulds by support plate
Block；The roller bearing is arranged in test module, and roller bearing is vertically arranged with stringer board；The roller bearing in test module is arranged in concrete sample
On, the end set of concrete sample has concrete test head；Curing concrete contraction distortion test device is also wrapped in the water
Displacement meter, absolute altitude conversion ruler are included, the displacement meter is arranged on the column on transverse slat, and the absolute altitude conversion ruler is arranged in displacement meter
Between concrete test head.
In some embodiments, the column is threadedly coupled with transverse slat；The column is connected by adapter assembly and displacement meter
It connects.
In some embodiments, the adapter assembly is made of horizontal ring, link block and perpendicular ring, and the horizontal ring passes through link block
It is connect with perpendicular ring, the center line of the horizontal ring and the center line of the perpendicular ring are mutually perpendicular to.
In some embodiments, the horizontal ring is connect with column, and perpendicular ring is connect with displacement meter, the displacement meter on perpendicular ring with it is quiet
State strain measurement system connects.
In some embodiments, the link block is flexible piece, and the distance between horizontal ring and perpendicular ring is adjusted.
In some embodiments, the absolute altitude conversion ruler includes Measure Board, top running-on and lower part running-on, the top set
Mouth is arranged on the top of Measure Board, and the lower part running-on is arranged in the lower part of Measure Board.
In some embodiments, the top running-on and lower part running-on are blind hole, the aperture of top running-on and displacement meter
End is adapted, and the aperture of the lower part running-on is adapted with the end of concrete test head.
In some embodiments, the roller bearing is mutually parallel, is set in qually spaced in test module；Adjacent test module it
Between roller bearing be staggered.
In some embodiments, the lower frame is internally provided with a pair of of support plate, and the support plate is vertically set on
Between transverse slat, square frame is divided into three test modules by support plate.
In some embodiments, curing concrete contraction distortion test device further includes electric-control system in the water, packet
Include D/A converter module, signal processing module, memory module and display module；The electric-control system is connect with displacement meter, displacement
The data-signal that meter measures gained is converted by D/A converter module, and signal processing module processing, data-signal is in display module
It shows and is stored in memory module.
Curing concrete contraction distortion test device in a kind of water provided by the invention, reasonable for structure, simple operation, tool
There is following technique effect：
(1) in the application, the concrete sample of test module is arranged on roller bearing, is deformed by planted agent's force effect, coagulation
Soil frictional force suffered in free wxpansion contraction process becomes rolling friction, while curing concrete in water by sliding friction
The experiment test specimen frictional force of test instrument for shrinking and deforming reduces, and eliminates the influence of a part of extraneous factor, improves the essence of test
Exactness；
(2) multiple test modules, Ke Yitong is arranged in curing concrete contraction distortion test device in water provided by the present application
The test of the multiple test specimens of Shi Jinhang；And the displacement meter, absolute altitude conversion ruler in the application is easy to install and disassemble, improves test
Efficiency.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of curing concrete contraction distortion test device in a kind of water of the present invention.
Attached drawing 2 is the structure of curing concrete contraction distortion test device in water of the present invention (being free of concrete sample)
Schematic diagram.
Attached drawing 3 is the fixation schematic diagram of the displacement meter of the present invention.
Attached drawing 4 is that the absolute altitude of the present invention converts the structural schematic diagram of ruler.
Attached drawing 5 is the schematic diagram that absolute altitude converts ruler other direction in Fig. 4.
In figure：1. transverse slat；2. stringer board；3. roller bearing；4. concrete sample；5. concrete test head；6. displacement meter；7. absolute altitude
Convert ruler, 7-1. Measure Boards, the tops 7-2. running-on；The lower parts 7-3. running-on；8. column；9. horizontal ring；10. link block；11. perpendicular ring；
12. support plate.
Specific implementation mode：
Fig. 1 to Fig. 5 is the accompanying drawings of curing concrete contraction distortion test device in a kind of herein described water, under
Face with specific embodiments and the drawings, is described in detail the application.
The embodiment recorded herein is the specific specific implementation mode of the present invention, for illustrating design of the invention,
It is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the application claims and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include any obvious using making for the embodiment to recording herein
The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each section
And its correlation.It note that the structure of each component for the ease of clearly showing the embodiment of the present invention, identical reference
Label is for indicating identical part.
The accompanying drawings of curing concrete contraction distortion test device in a kind of water, as shown in Figure 1, it specifically includes cross
Plate 1, stringer board 2 and roller bearing 3, the transverse slat 1 connect to form square frame with stringer board 2 from beginning to end, and square frame is internally provided with branch
Fagging 12, the support plate 12 are vertically set between transverse slat 1, and square frame is divided into several test modules by support plate 12；
The roller bearing 3 is arranged in test module, and roller bearing 3 is vertically arranged with stringer board 2；In the embodiment shown in Figure 2, a pair of of stringer board 2
It is arranged between transverse slat 1, square frame is divided into three test modules, can utilizes in water described herein support in this way
Protect the dependence test that concrete shrinkage deformation test device carries out three concrete samples simultaneously.
In the application, concrete sample 4 is arranged on the roller bearing 3 of test module, and the end set of concrete sample 4 has mixed
Solidifying soil measuring head 5；In the water curing concrete contraction distortion test device further include displacement meter 6, absolute altitude conversion ruler 7, it is described
Displacement meter 6 is arranged on the column 8 on transverse slat 1, absolute altitude conversion ruler 7 setting displacement meter 6 and concrete test head 5 it
Between, as shown in Figure 1.
Concrete sample 4 is placed on roller bearing 3, and when concrete sample 4 shrinks deformation, concrete sample 4 is in roller bearing 3
Upper contraction distortion, concrete frictional force suffered in free wxpansion contraction process become rolling friction by sliding friction, mix
The frictional force of solidifying soil test specimen 4 reduces, in this way, effectively reducing the interference of the concrete test of external resistance, improves concrete
The accuracy of contraction distortion test.
The column 8 is threadedly coupled with transverse slat 1, and the column 8 is connect by adapter assembly with displacement meter 6, and upright bar 8 can be with
Facilitate installing and dismounting, improves the installing and dismounting efficiency of displacement meter, facilitate development experimental study.
In the application, the adapter assembly is made of horizontal ring 9, link block 10 and perpendicular ring 11, and the horizontal ring 9 passes through link block
10 connect with perpendicular ring 11, and the center line of the horizontal ring 9 and the center line of the perpendicular ring 11 are mutually perpendicular to.
Fig. 3 is the fixation schematic diagram of the displacement meter of the present invention, and the horizontal ring 9 is connect with column 8, erects ring 11 and displacement meter 6
Connection, the displacement meter 6 erected on ring 11 are connect with static strain testing system.Displacement meter 6 is connect with static strain testing system, real
The automatic monitoring of concrete shrinkage deformation is showed, curing concrete contraction distortion test device may be implemented when one section in water
Between once tested automatically, realize concrete contraction distortion measure automation.
In some embodiments, the link block 10 is flexible piece, and the distance between horizontal ring 9 and perpendicular ring 11 is adjusted,
To facilitate adjustment absolute altitude to convert the installation of ruler 7, facilitates and carry out concrete shrinkage test.
Fig. 4 and Fig. 5 be the present invention absolute altitude convert ruler accompanying drawings, absolute altitude convert ruler 7 including Measure Board 7-1, on
Portion running-on 7-2 and lower part running-on 7-3, the top running-on 7-2 are arranged on the top of Measure Board 7-1, and the lower part running-on 7-3 is set
It sets in the lower part of Measure Board 7-1.The top running-on 7-2 and lower part running-on 7-3 is blind hole, the aperture and position of top running-on 7-2
The end for moving meter 6 is adapted, and the aperture of the lower part running-on 7-3 is adapted with the end of concrete test head 5.
The roller bearing 3 is mutually parallel, is set in qually spaced in test module；Roller bearing 3 between adjacent test module interlocks
Setting.Specifically, mounting hole is provided on stringer board 2 and support plate 12, mounting hole is internally provided with rolling bearing, roller bearing 3
It is vertically mounted between stringer board 2 and support plate 12 or between adjacent shore plates 12；Concrete sample 4 on roller bearing 3 is shunk
When deformation, concrete frictional force suffered in free wxpansion contraction process becomes rolling friction, while water by sliding friction
The experiment test specimen frictional force of middle curing concrete test instrument for shrinking and deforming reduces, and eliminates the influence of a part of extraneous factor, carries
The high accuracy of test.
In the embodiment shown in fig. 1, the lower frame is internally provided with a pair of of support plate 12, and the support plate 12 hangs down
Straight to be arranged between transverse slat 1, square frame is divided into three test modules by support plate 12.Specifically, in stringer board 2 and support plate
Mounting hole is set on 12, and mounting hole is internally provided with rolling bearing, and roller bearing 3 is installed perpendicular to stringer board 2.Curing concrete in water
In the test module of contraction distortion test device both sides, roller bearing 3 is vertically mounted between stringer board 2 and support plate 12, intermediate survey
Roller bearing 3 on die trial block is mounted between adjacent shore plates 12.Curing concrete contraction distortion in water described herein in this way
Test device can be carried out at the same time the test of three concrete samples 4.
In the application, transverse slat 1 is riveted with stringer board 2, and support plate 12 is riveted with transverse slat 12；The stringer board 2 of 4 side of concrete sample
Also has the function of blocking, when intentional deformation occurs for concrete sample 4, stringer board 2 can stop that concrete sample 4 deflects away from test
Module ensures the safety that concrete test experiment is carried out.
In some embodiments, curing concrete contraction distortion test device further includes electric-control system in the water, packet
Include D/A converter module, signal processing module, memory module and display module；The electric-control system is connect with displacement meter 6, displacement
The data-signal that meter 6 measures gained is converted by D/A converter module, and signal processing module processing, data-signal is in display module
It shows and is stored in memory module.
Compared with prior art, curing concrete contraction distortion test device in a kind of water provided by the invention, structure are closed
Concrete sample contraction distortion on roller bearing in test module is arranged in reason, simple operation, and concrete was shunk in free wxpansion
Suffered frictional force becomes rolling friction by sliding friction in journey, and the frictional force of concrete sample reduces, and effectively reduces outer
The interference for connecing the concrete test of resistance improves the accuracy of concrete shrinkage deformation test.
The present invention is not limited to the above-described embodiments, anyone can obtain other various forms under the inspiration of the present invention
Product, it is every that there is technical side identical or similar to the present application however, make any variation in its shape or structure
Case is within the scope of the present invention.
Claims (10)
1. curing concrete contraction distortion test device in a kind of water, which is characterized in that including transverse slat (1), stringer board (2) and roller bearing
(3), the transverse slat (1) is spliced to form square frame from beginning to end with stringer board (2), and square frame is internally provided with support plate (12),
The support plate (12) is vertically set between transverse slat (1), and square frame is divided into several test modules by support plate (12)；Institute
It states roller bearing (3) to be arranged in test module, roller bearing (3) is vertically arranged with stringer board (2)；Concrete sample (4) setting is in test mould
On the roller bearing (3) of block, the end set of concrete sample (4) has concrete test head (5)；Curing concrete is shunk in the water
Deformation test device further includes displacement meter (6), absolute altitude conversion ruler (7), the column that the displacement meter (6) is arranged on transverse slat (1)
(8) on, the absolute altitude conversion ruler (7) is arranged between displacement meter (6) and concrete test head (5).
2. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the column
(8) it is threadedly coupled with transverse slat (1)；The column (8) is connect by adapter assembly with displacement meter (6).
3. curing concrete contraction distortion test device in water according to claim 2, which is characterized in that the switching group
Part is made of horizontal ring (9), link block (10) and perpendicular ring (11), and the horizontal ring (9) is connect by link block (10) with perpendicular ring (11),
The center line of the horizontal ring (9) and the center line of the perpendicular ring (11) are mutually perpendicular to.
4. curing concrete contraction distortion test device in water according to claim 3, which is characterized in that the horizontal ring
(9) it is connect with column (8), perpendicular ring (11) is connect with displacement meter (6), erects the displacement meter (6) and static strain testing on ring (11)
System connects.
5. curing concrete contraction distortion test device in water according to claim 4, which is characterized in that the link block
(10) it is flexible piece, the distance between horizontal ring (9) and perpendicular ring (11) is adjusted.
6. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the absolute altitude turns
It includes Measure Board (7-1), top running-on (7-2) and lower part running-on (7-3) to change ruler (7), and top running-on (7-2) setting is being marked
The top of ruler plate (7-1), the lower part running-on (7-3) are arranged in the lower part of Measure Board (7-1).
7. curing concrete contraction distortion test device in water according to claim 6, which is characterized in that the top set
Mouth (7-2) and lower part running-on (7-3) are blind hole, and the aperture of top running-on (7-2) is adapted with the end of displacement meter (6), described
The aperture of lower part running-on (7-3) is adapted with the end of concrete test head (5).
8. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the roller bearing
(3) it is mutually parallel, is set in qually spaced in test module；Roller bearing (3) between adjacent test module is staggered.
9. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that the lower frame
Be internally provided with a pair of of support plate (12), the support plate (12) is vertically set between transverse slat (1), and support plate (12) will be square
Shape frame is divided into three test modules.
10. curing concrete contraction distortion test device in water according to claim 1, which is characterized in that in the water
Curing concrete contraction distortion test device further includes electric-control system comprising D/A converter module, signal processing module, storage
Module and display module；The electric-control system is connect with displacement meter (6), and the data-signal that displacement meter (6) measures gained passes through number
Mould conversion module converts, and signal processing module processing, data-signal shows in display module and is stored in memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559401.9A CN108459155A (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810559401.9A CN108459155A (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108459155A true CN108459155A (en) | 2018-08-28 |
Family
ID=63216092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810559401.9A Pending CN108459155A (en) | 2018-06-02 | 2018-06-02 | Curing concrete contraction distortion test device in a kind of water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108459155A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238360A (en) * | 2020-01-23 | 2020-06-05 | 天津大学 | Deformation tester for cement-based material under dry-wet circulation action |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11118430A (en) * | 1997-10-08 | 1999-04-30 | Japan Science & Technology Corp | Non-contact type concrete length testing machine and mortar specimen receiving base used therefor |
| CN2532488Y (en) * | 2002-04-12 | 2003-01-22 | 陈清志 | Concrete expansion/contraction tester |
| CN103760327A (en) * | 2014-01-21 | 2014-04-30 | 深圳大学 | Concrete shrinkage measuring instrument |
| CN206740037U (en) * | 2017-05-17 | 2017-12-12 | 昆山市交通工程试验检测中心有限公司 | A kind of concrete shrinkage dilatometer |
| CN206871811U (en) * | 2017-06-01 | 2018-01-12 | 杨慧 | A kind of concrete test block maintenance handling device |
| CN107632143A (en) * | 2017-10-27 | 2018-01-26 | 宁夏大学 | A kind of concrete shrinkage tester |
| CN207114544U (en) * | 2017-08-24 | 2018-03-16 | 苏州混凝土水泥制品研究院检测中心有限公司 | Concrete shrinkage experimental rig |
| CN208888244U (en) * | 2018-06-02 | 2019-05-21 | 宁夏大学 | Curing concrete contraction distortion test device in a kind of water |
-
2018
- 2018-06-02 CN CN201810559401.9A patent/CN108459155A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11118430A (en) * | 1997-10-08 | 1999-04-30 | Japan Science & Technology Corp | Non-contact type concrete length testing machine and mortar specimen receiving base used therefor |
| CN2532488Y (en) * | 2002-04-12 | 2003-01-22 | 陈清志 | Concrete expansion/contraction tester |
| CN103760327A (en) * | 2014-01-21 | 2014-04-30 | 深圳大学 | Concrete shrinkage measuring instrument |
| CN206740037U (en) * | 2017-05-17 | 2017-12-12 | 昆山市交通工程试验检测中心有限公司 | A kind of concrete shrinkage dilatometer |
| CN206871811U (en) * | 2017-06-01 | 2018-01-12 | 杨慧 | A kind of concrete test block maintenance handling device |
| CN207114544U (en) * | 2017-08-24 | 2018-03-16 | 苏州混凝土水泥制品研究院检测中心有限公司 | Concrete shrinkage experimental rig |
| CN107632143A (en) * | 2017-10-27 | 2018-01-26 | 宁夏大学 | A kind of concrete shrinkage tester |
| CN208888244U (en) * | 2018-06-02 | 2019-05-21 | 宁夏大学 | Curing concrete contraction distortion test device in a kind of water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238360A (en) * | 2020-01-23 | 2020-06-05 | 天津大学 | Deformation tester for cement-based material under dry-wet circulation action |
| CN111238360B (en) * | 2020-01-23 | 2021-04-27 | 天津大学 | Deformation tester for cement-based material under dry-wet circulation action |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155212B (en) | A kind of automatic testing apparatus for cement setting time | |
| CN101832895A (en) | Visual tensile testing system | |
| CN111323203B (en) | Wave force and wave making measuring device and method for ship model water elasticity experiment | |
| CN111709664A (en) | Bridge structure safety monitoring management system based on big data | |
| CN108459155A (en) | Curing concrete contraction distortion test device in a kind of water | |
| CN208888244U (en) | Curing concrete contraction distortion test device in a kind of water | |
| CN106290810B (en) | A kind of early age deformation test system of contactless concrete | |
| CN211602865U (en) | Detection device for detecting bonding strength of damp base surface | |
| CN210894358U (en) | Disconnect-type concrete early crack resistance can survey device | |
| CN102778388A (en) | Tensile testing machine and cross section test board thereof | |
| CN209069475U (en) | A kind of real-time distributed monitoring system of arch bridge stiff skeleton external wrapping concrete ess-strain | |
| CN204028074U (en) | A kind of equipment measuring cement setting time | |
| CN207066853U (en) | A kind of precast concrete test device for multifunctional | |
| CN109470445A (en) | A kind of freely-supported type air tunnel testing device for growing thin component resistance coefficient | |
| CN213301544U (en) | Bridge inhaul cable force increment accurate measurement device | |
| CN109000832A (en) | A kind of Dynamic High-accuracy six-way force snesor | |
| CN208013016U (en) | A kind of building engineering detection device | |
| CN108519275B (en) | Small-tonnage multichannel pressure loading test device | |
| CN207456373U (en) | A kind of cantilever member degree of disturbing measuring device based on strain | |
| CN204854922U (en) | Strap formula weighing sensor | |
| CN113958309B (en) | Bored pile stake hole straightness that hangs down and aperture inspection ware | |
| CN105784271B (en) | The caliberating device and scaling method of three component sensors | |
| CN221746318U (en) | Gravity sensor test bench | |
| CN210719798U (en) | High-efficient sampling device of concrete | |
| CN205066610U (en) | Sliding concrete prism method alkali activity micrometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |