CN205157559U - Concrete cracking testing arrangement - Google Patents
Concrete cracking testing arrangement Download PDFInfo
- Publication number
- CN205157559U CN205157559U CN201520999146.1U CN201520999146U CN205157559U CN 205157559 U CN205157559 U CN 205157559U CN 201520999146 U CN201520999146 U CN 201520999146U CN 205157559 U CN205157559 U CN 205157559U
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- cover
- inner ring
- concrete
- concrete cracking
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Abstract
The utility model discloses a concrete cracking testing arrangement, the on -line screen storage device comprises a base, the inner ring cover, outer loop cover and transparent heat preservation cover, the inner ring cover, outer loop cover and transparent heat preservation cover all set up on the base, inner ring cover and outer loop cover all are located transparent heat preservation cover, the inner ring cover is located the outer loop cover, the axis of inner ring cover and the axis of outer loop cover are located a straight line, form concrete mix material splendid attire chamber between outer loop cover and the inner ring cover, concrete mix material splendid attire intracavity is equipped with the foil gage that is used for detecting concrete mix material dependent variable, the foil gage output is connected with a USB data line, be equipped with the temperature sensor who is used for detecting the inside temperature of transparent heat preservation cover on the transparent heat preservation cover inner wall, the temperature sensor output is connected with the 2nd USB data line. The utility model discloses but accurate measurement concrete cracking performance to the accurate relation of mastering concrete cracking and dependent variable and temperature, with comprehensive reflection concrete cracking performance, will be to playing better strick precaution among the construction according to the effect.
Description
Technical field
The utility model relates to a kind of test proving installation, especially relates to a kind of concrete cracking proving installation.
Background technology
Concrete Engineering Cracks is modal is because concrete autogenous shrinkage is out of shape the suffer restraints contraction fissure caused and the load Crack caused by external loads effect.The same with other materials, concrete has the phenomenon of expanding with heat and contract with cold, and concrete temperature often raises 1 degree Celsius, and every meter expands 0.01 millimeter, and when concrete coagulation, hydration heat is excessive, and structure temperature is raised, and sometimes can reach 50 ~ 70 degrees Celsius.Because internal-external temperature difference is excessive, mutual restriction is shunk in interior expansion outward, produces very imperial palace tension, thus causes concrete cracking, totally unfavorable to concrete component intensity, permanance.The problem of Cracking caused by contraction drastically influence the safety and durability of concrete works, in order to the appearance of Crack prevention better in construction, needs accurately to test concrete cracking resistance, and then eliminates cracking hidden danger in design in the early stage.Traditional concrete cracking test test specimen is prism structures, adopt concrete cracking proving installation to make detection fast to this test specimen stress concentration portion position, but the cracking outside sentencing that ftractures varies with temperature rule confusion, is difficult to reflect concrete cracking performance comprehensively.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of concrete cracking proving installation is provided, its structure is simple, reasonable in design and use easy to operate, can Measurement accuracy concrete cracking performance, and accurately grasp the relation of concrete cracking and dependent variable and temperature, to reflect concrete cracking performance comprehensively, better will take precautions against with reference to effect to playing in construction.
For achieving the above object, the technical solution adopted in the utility model is: a kind of concrete cracking proving installation, it is characterized in that: comprise base, inner ring sleeve, exterior ring cap and transparent thermal retardation cover, described inner ring sleeve, exterior ring cap and transparent thermal retardation cover are all arranged on base, described inner ring sleeve and exterior ring cap are all positioned at transparent thermal retardation cover, described inner ring sleeve is positioned at exterior ring cap, the axis of described inner ring sleeve and the axis of exterior ring cap are positioned on straight line, the concrete mix splendid attire chamber being used for splendid attire concrete mix is formed between described exterior ring cap and inner ring sleeve, the foil gauge for detecting concrete mix dependent variable is provided with in described concrete mix splendid attire chamber, the output terminal of described foil gauge is connected with the first USB data line, the inwall of described transparent thermal retardation cover is provided with the temperature sensor for detecting transparent thermal retardation cover internal temperature, the output terminal of described temperature sensor is connected with the second USB data line.
Above-mentioned a kind of concrete cracking proving installation, is characterized in that: described foil gauge is BX120-2AA foil resistance foil gauge.
Above-mentioned a kind of concrete cracking proving installation, is characterized in that: described temperature sensor is NTC temperature sensor.
Above-mentioned a kind of concrete cracking proving installation, is characterized in that: described base is plinth, and the axis of the axis of described base, the axis of inner ring sleeve and exterior ring cap is all positioned on straight line.
Above-mentioned a kind of concrete cracking proving installation, is characterized in that: the quantity of described foil gauge is multiple, and multiple described foil gauge is evenly laid in concrete mix splendid attire chamber.
Above-mentioned a kind of concrete cracking proving installation, is characterized in that: the shape of described transparent thermal retardation cover is square.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design and use easy to operate.
2, the utility model can Measurement accuracy concrete cracking performance, and accurately grasp the relation of concrete cracking and dependent variable and temperature, to reflect concrete cracking performance comprehensively, can, for better avoiding cracking harm in engineering, better will take precautions against with reference to effect to playing in construction.
3, the utility model can provide a closed environment for concrete cracking test, accurately to record the amplitude of variation of temperature when concrete hydrating reacts, and the concrete mix splendid attire chamber of annular can be more balanced reflection concrete cracking rule, prismatic overstress concentration phenomenon can not be similar to.
4, the utility model testing efficiency is high, and reliability is strong, can save a large amount of human and material resources, be applicable to engineering detecting and scientific research, have higher using value.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is using state figure of the present utility model.
Fig. 2 is the structural representation after the utility model removes foil gauge and the first USB data line.Description of reference numerals:
1-base; 2-transparent thermal retardation cover; 3-inner ring sleeve;
4-foil gauge; 5-exterior ring cap; 6-temperature sensor;
7-the second USB data line; 8-the first USB data line; 9-concrete mix;
10-concrete mix splendid attire chamber.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises base 1, inner ring sleeve 3, exterior ring cap 5 and transparent thermal retardation cover 2, described inner ring sleeve 3, exterior ring cap 5 and transparent thermal retardation cover 2 are all arranged on base 1, described inner ring sleeve 3 and exterior ring cap 5 are all positioned at transparent thermal retardation cover 2, described inner ring sleeve 3 is positioned at exterior ring cap 5, the axis of described inner ring sleeve 3 and the axis of exterior ring cap 5 are positioned on straight line, the concrete mix splendid attire chamber 10 being used for splendid attire concrete mix 9 is formed between described exterior ring cap 5 and inner ring sleeve 3, the foil gauge 4 for detecting concrete mix 9 dependent variable is provided with in described concrete mix splendid attire chamber 10, the output terminal of described foil gauge 4 is connected with the first USB data line 8, the inwall of described transparent thermal retardation cover 2 is provided with the temperature sensor 6 for detecting transparent thermal retardation cover 2 internal temperature, the output terminal of described temperature sensor 6 is connected with the second USB data line 7.
In the present embodiment, described foil gauge 4 is BX120-2AA foil resistance foil gauge.
In the present embodiment, described temperature sensor 6 is NTC temperature sensor.
In the present embodiment, described base 1 is plinth, and the axis of the axis of described base 1, the axis of inner ring sleeve 3 and exterior ring cap 5 is all positioned on straight line.
In the present embodiment, the quantity of described foil gauge 4 is multiple, and multiple described foil gauge 4 is evenly laid in concrete mix splendid attire chamber 10.
In the present embodiment, the shape of described transparent thermal retardation cover 2 is square.
Principle of work of the present utility model is: during test, first, the inner ring sleeve 3 of the utility model device and exterior ring cap 5 are arranged on base 1, and on the outer wall of inner ring sleeve 3 and the inwall of exterior ring cap 5 smearing release agent, foil gauge 4 is fixed in concrete mix splendid attire chamber 10.Then, the concrete mix 9 mixing up match ratio watered in the concrete mix splendid attire chamber 10 formed between exterior ring cap 5 and inner ring sleeve 3, surface plugs and pounds, polish, make the concrete mix 9 submergence foil gauge 4 completely added.Transparent thermal retardation cover 2 cover again inside being provided with temperature sensor 6 is placed on base 1, then inner ring sleeve 3 and exterior ring cap 5 are all positioned at transparent thermal retardation cover 2, guarantees that transparent thermal retardation cover 2 and base 1 fasten closely, ensures that internal temperature is independent.Finally, the temperature of transparent thermal retardation cover 2 inside that the dependent variable of the concrete mix 9 detected by foil gauge 4 and temperature sensor 6 are detected, draws out dependent variable M and temperature T curve over time, and then makes an appraisal to concrete cracking resistance.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a concrete cracking proving installation, it is characterized in that: comprise base (1), inner ring sleeve (3), exterior ring cap (5) and transparent thermal retardation cover (2), described inner ring sleeve (3), exterior ring cap (5) and transparent thermal retardation cover (2) are all arranged on base (1), described inner ring sleeve (3) and exterior ring cap (5) are all positioned at transparent thermal retardation cover (2), described inner ring sleeve (3) is positioned at exterior ring cap (5), the axis of described inner ring sleeve (3) and the axis of exterior ring cap (5) are positioned on straight line, the concrete mix splendid attire chamber (10) being used for splendid attire concrete mix (9) is formed between described exterior ring cap (5) and inner ring sleeve (3), the foil gauge (4) for detecting concrete mix (9) dependent variable is provided with in described concrete mix splendid attire chamber (10), the output terminal of described foil gauge (4) is connected with the first USB data line (8), the inwall of described transparent thermal retardation cover (2) is provided with the temperature sensor (6) for detecting transparent thermal retardation cover (2) internal temperature, the output terminal of described temperature sensor (6) is connected with the second USB data line (7).
2. according to a kind of concrete cracking proving installation according to claim 1, it is characterized in that: described foil gauge (4) is BX120-2AA foil resistance foil gauge.
3. according to a kind of concrete cracking proving installation described in claim 1 or 2, it is characterized in that: described temperature sensor (6) is NTC temperature sensor.
4. according to a kind of concrete cracking proving installation described in claim 1 or 2, it is characterized in that: described base (1) is plinth, the axis of the axis of described base (1), the axis of inner ring sleeve (3) and exterior ring cap (5) is all positioned on straight line.
5. according to a kind of concrete cracking proving installation described in claim 1 or 2, it is characterized in that: the quantity of described foil gauge (4) is multiple, multiple described foil gauge (4) is evenly laid in concrete mix splendid attire chamber (10).
6. according to a kind of concrete cracking proving installation described in claim 1 or 2, it is characterized in that: the shape of described transparent thermal retardation cover (2) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999146.1U CN205157559U (en) | 2015-12-06 | 2015-12-06 | Concrete cracking testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999146.1U CN205157559U (en) | 2015-12-06 | 2015-12-06 | Concrete cracking testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157559U true CN205157559U (en) | 2016-04-13 |
Family
ID=55693238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520999146.1U Expired - Fee Related CN205157559U (en) | 2015-12-06 | 2015-12-06 | Concrete cracking testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627401A (en) * | 2018-03-13 | 2018-10-09 | 中国建筑股份有限公司 | A kind of concrete morning age temperature stress testing equipment and method based on ring method |
| CN109884287A (en) * | 2019-03-29 | 2019-06-14 | 福州大学 | A kind of crack-resistant performance of concrete device for quick testing and its working method |
| CN109917114A (en) * | 2019-02-28 | 2019-06-21 | 大连理工大学 | It is a kind of it is improved measurement concrete confined shrinkage under the conditions of cracking resistance test method |
-
2015
- 2015-12-06 CN CN201520999146.1U patent/CN205157559U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627401A (en) * | 2018-03-13 | 2018-10-09 | 中国建筑股份有限公司 | A kind of concrete morning age temperature stress testing equipment and method based on ring method |
| CN108627401B (en) * | 2018-03-13 | 2021-01-05 | 中国建筑股份有限公司 | Concrete early-age temperature stress test equipment and method based on torus method |
| CN109917114A (en) * | 2019-02-28 | 2019-06-21 | 大连理工大学 | It is a kind of it is improved measurement concrete confined shrinkage under the conditions of cracking resistance test method |
| CN109884287A (en) * | 2019-03-29 | 2019-06-14 | 福州大学 | A kind of crack-resistant performance of concrete device for quick testing and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |