CN207703691U - A kind of concrete material bond strength between layers detection device - Google Patents
A kind of concrete material bond strength between layers detection device Download PDFInfo
- Publication number
- CN207703691U CN207703691U CN201820051356.1U CN201820051356U CN207703691U CN 207703691 U CN207703691 U CN 207703691U CN 201820051356 U CN201820051356 U CN 201820051356U CN 207703691 U CN207703691 U CN 207703691U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- detection device
- pull rod
- bond strength
- concrete material
- 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
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002474 experimental method Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses a kind of concrete material bond strength between layers detection device, including holder, be arranged frame bottom pedestal and the fixed plate in cradle top is set；Specimen holder device is provided on pedestal；Specimen holder device includes lower pull rod, experiment sleeve and upper connecting rod；Experiment sleeve include lower sleeve and with the matched upper bush of lower sleeve；Upper bush top closure simultaneously connects upper connecting rod lower end；Lower sleeve lower end closed simultaneously connects lower pull rod upper end, and lower pull rod lower end is connected to pedestal；Pulling force sensor is provided on upper connecting rod, and the upper end connects drawing instrument；The utility model test result is accurate, simple in structure, easy to use, easy to disassemble.
Description
Technical field
The utility model is related to a kind of adhesion strength detection devices, and in particular to a kind of concrete material bond strength between layers
Detection device.
Background technology
The method of the adhesion strength of existing detection concrete is foundation at present《Concrete for hydraulic structure testing regulations》（DL/
T5150-2001）Test method described in annex；Steps are as follows：
The test specimen of one group of 15 × 15 × 15cm, standard are molded for the source material mixture ratio similar in viscous structural concrete
Maintenance is taken out after 14 days, and with reference to " concrete splitting test for tensile strength ", test specimen is split into six pieces for use；The old coagulation that will be rived
Native test specimen, splitting surface clean up and keep moisture state, are vertically put into 15cm cube die trials side（Smooth surface is close to die trial
Wall forms the space that size is 150 × 150 × 75mm between splitting surface and die trial）；Mixing novel concrete is poured into and has been placed always
In the die trial of concrete test block, jolt ramming is plugged and pounded；Standard curing 28 days after demoulding；Test specimen is taken out to regulation age, according to " concrete
Tensile splitting strength is tested " using adhesive surface as splitting surface, carry out the test of Mechanics Performance of Adherence of New intensity；《Anchor pole injection is mixed
Solidifying soil support technology specification》（GB50086-2001）Annex is for the test method of the adhesion strength of gunite concrete and sillar
Sillar is placed in template, concrete is being sprayed under the same conditions with practical structures, maintenance is to 7d ages after being sprayed into, with cutting
Method removes periphery, is processed into the test cube that the length of side is 100mm（Wherein the thickness of rock and concrete is respectively 50mm or so）；
Maintenance acquired the adhesion strength value of concrete and sillar with split the law to 28 day age at sillar and concrete joint surface.
Existing test method intuitively cannot significantly embody the adhesion strength of concrete between the layers；And it is existing
Some detecting instruments are complicated, should not dismantle, transport, repair and observe, and many inconvenience are brought to scene and indoor detection.
Utility model content
The utility model provide it is a kind of it is simple in structure, easy to disassemble, can intuitively reflect between concrete layer or concrete with
The detection device of adhesion strength between other materials.
The technical solution adopted in the utility model is：A kind of concrete material bond strength between layers detection device, including branch
Frame, be arranged frame bottom pedestal and the fixed plate in cradle top is set；Specimen holder device is provided on pedestal；Test specimen
Clamping device includes lower pull rod, experiment sleeve and upper connecting rod；Experiment sleeve include lower sleeve and with the matched upper set of lower sleeve
Cylinder；Upper bush top closure simultaneously connects upper connecting rod lower end；Lower sleeve lower end closed simultaneously connects lower pull rod upper end, and lower pull rod lower end connects
It is connected to pedestal；Pulling force sensor is provided on upper connecting rod, and the upper end connects drawing instrument.
Further, it is provided with first fastener in the lower sleeve.
Further, it is provided with second fastener in the upper bush.
Further, the dismountable connect base of the lower pull rod and lower sleeve.
Further, the lower pull rod is scalable connecting rod.
Further, it is provided with window on the upper bush.
The utility model has the beneficial effects that：
（1）The utility model fixes test sample by holder, upper bush and lower sleeve, and it is flat to provide operation to drawing instrument
Platform improves the accuracy of measurement；
（2）The utility model can intuitively obtain the size of pulling force by pulling force sensor；
（3）It is provided with window on the utility model upper bush, can intuitively be observed the deformation of sample；
（4）The utility model is simple in structure, easy to use, easy to disassemble.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1- holders, pull rod under 2-, 3- upper connecting rods, 4- pulling force sensors, 5- lower sleeves, 6- upper bushes, 7- second are tight
It is fixedly mounted with and sets, 8- first fasteners.
Specific implementation mode
The utility model is described further in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of concrete material bond strength between layers detection device, including holder 1, setting are at 1 bottom of holder
The pedestal in portion and the fixed plate being arranged at the top of holder 1；Specimen holder device is provided on pedestal；Under specimen holder device includes
Pull rod 2, experiment sleeve and upper connecting rod 3；Experiment sleeve include lower sleeve 5 and with 5 matched upper bush 6 of lower sleeve；Upper bush 6
Top closure simultaneously connects 3 lower end of upper connecting rod；5 lower end closed of lower sleeve simultaneously connects lower 2 upper end of pull rod, and lower 2 lower end of pull rod is connected to
Pedestal；Pulling force sensor 4 is provided on upper connecting rod 3, and the upper end connects drawing instrument.
Further, it is provided with first fastener 8 in the lower sleeve 5.
Further, it is provided with second fastener 7 in the upper bush 6.
Further, 2 dismountable connect base of the lower pull rod and lower sleeve 5.
Further, the lower pull rod 2 is scalable connecting rod.
Further, it is provided with window on the upper bush 6.
In use, test sample is placed in experiment sleeve, above sample to be tested one is placed in upper bush 6, below
One is placed in lower sleeve 5；Upper bush 6 and lower sleeve 5 are fastened, upper connecting rod 3 is fixed on drawing instrument with anchoring fixture, i.e.,
It can start to test；Sample to be tested can be both bonded in by epoxy resin in sleeve, can be also arranged in sleeve by clamp device
It is interior；Clamp device may include that fastening bolt, the screw rod end of fastening bolt are equipped with arc hard gasket by screw-thread fit, firmly
Arc rubber pad is consolidated on matter gasket；Easily sample to be tested can be fastened；Lower pull rod 2 is set as scalable connection
Its length is adjusted in bar, is set as being suitble to the height of test；It is detachable knot between lower pull rod 2 and pedestal and lower sleeve 5
Structure facilitates and is disassembled and installed；The window being arranged on upper bush 6, which can facilitate, is observed the state of sample to be tested.
The utility model fixes test sample by holder, upper bush and lower sleeve, and operating platform is provided to drawing instrument,
Improve the accuracy of measurement；The size of pulling force can be intuitively obtained by pulling force sensor；The utility model is simple in structure, makes
It is easy to disassemble with convenience.
Claims (6)
1. a kind of concrete material bond strength between layers detection device, which is characterized in that including holder (1), be arranged in holder (1)
The pedestal of bottom and the fixed plate being arranged at the top of holder (1)；Specimen holder device is provided on pedestal；Specimen holder device packet
Include lower pull rod (2), experiment sleeve and upper connecting rod (3)；Experiment sleeve include lower sleeve (5) and with lower sleeve (5) it is matched on
Sleeve (6)；Upper bush (6) top closure simultaneously connects upper connecting rod (3) lower end；Lower sleeve (5) lower end closed simultaneously connects lower pull rod (2)
Upper end, lower pull rod (2) lower end are connected to pedestal；Pulling force sensor (4) is provided on upper connecting rod (3), and the upper end connection is drawn
Pull out instrument.
2. a kind of concrete material bond strength between layers detection device according to claim 1, which is characterized in that under described
It is provided with first fastener (8) in sleeve (5).
3. a kind of concrete material bond strength between layers detection device according to claim 1, which is characterized in that on described
It is provided with second fastener (7) in sleeve (6).
4. a kind of concrete material bond strength between layers detection device according to claim 1, which is characterized in that under described
The dismountable connect base of pull rod (2) and lower sleeve (5).
5. a kind of concrete material bond strength between layers detection device according to claim 1, which is characterized in that under described
Pull rod (2) is scalable connecting rod.
6. a kind of concrete material bond strength between layers detection device according to claim 1, which is characterized in that on described
Sleeve is provided with window on (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051356.1U CN207703691U (en) | 2018-01-12 | 2018-01-12 | A kind of concrete material bond strength between layers detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051356.1U CN207703691U (en) | 2018-01-12 | 2018-01-12 | A kind of concrete material bond strength between layers detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703691U true CN207703691U (en) | 2018-08-07 |
Family
ID=63034004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820051356.1U Expired - Fee Related CN207703691U (en) | 2018-01-12 | 2018-01-12 | A kind of concrete material bond strength between layers detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959607A (en) * | 2019-04-30 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | A kind of concrete tension bond strength testing method |
| CN109991074A (en) * | 2019-04-30 | 2019-07-09 | 中国水利水电第十二工程局有限公司 | Stretch special fixture |
-
2018
- 2018-01-12 CN CN201820051356.1U patent/CN207703691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959607A (en) * | 2019-04-30 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | A kind of concrete tension bond strength testing method |
| CN109991074A (en) * | 2019-04-30 | 2019-07-09 | 中国水利水电第十二工程局有限公司 | Stretch special fixture |
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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: 20180807 |