CN202171552U - Temperature control device of beam bending test for bituminous mixture - Google Patents
Temperature control device of beam bending test for bituminous mixture Download PDFInfo
- Publication number
- CN202171552U CN202171552U CN201120264144XU CN201120264144U CN202171552U CN 202171552 U CN202171552 U CN 202171552U CN 201120264144X U CN201120264144X U CN 201120264144XU CN 201120264144 U CN201120264144 U CN 201120264144U CN 202171552 U CN202171552 U CN 202171552U
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- temperature
- inner chamber
- temperature control
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Abstract
The utility model discloses a temperature control device of beam bending test for bituminous mixture, which is characterized in that: a closed pressure bearing space is formed between an inner chamber and an outer chamber; a partition plate is arranged in the pressure bearing space; a water inlet opening is formed on one side of the partition plate while a water outlet opening is formed on the other side of the partition plate. According to the temperature control device disclosed by the utility model, the water inlet opening and the water outlet opening are connected with inflow water and outflow water of a circulating constant-temperature water bath respectively, temperature controlled water flow circulates in the closed space formed between the outer chamber and the inner chamber, so that water in the inner chamber meets the test temperature demand, and temperature can be controlled effectively and automatically in a test progress, as a result, reliability of test data is increased and test efficiency is improved.
Description
Technical field
The utility model relates to a kind of test unit, particularly a kind of asphalt girder bending test attemperating unit.
Background technology
" hydraulic asphalt concrete testing regulations " (DL/T 5362-2006) is in carrying out the detection of asphalt girder bending test; Place water bath with thermostatic control constant temperature to be no less than 3h asphalt girder bend specimen; Till meeting the requirements of test temperature ± 0.5 ℃ to asphalt girder bend specimen internal temperature; Make testing machine environment temperature-controlled box meet the requirements of test temperature, test temperature can adopt the local temperature on average of engineering or 25 ℃ or 5 ℃.Test specimen is taken out from water bath with thermostatic control, immediately sample is placed on the bearing in the environment temperature-controlled box, start pressing machine, impose load at span centre, destroy to test specimen with the rate of deformation of regulation.
Rate of deformation is stipulated like no specific (special) requirements, adopts strain rate 1%/min, i.e. span centre rate of deformation 1.67mm/min; The test period of a general test specimen is at 10min-15min, if in this process, the temperature of test specimen is not effectively controlled, test for data can receive very big influence; Traditional temperature control box is exactly the iron case of an individual layer with cover; Temperature controlled method is exactly in the chamber with frozen water, and this method operation is very inconvenient, however stop with the frozen water test water unnecessary with taking-up; Temperature control difficulty is bigger, has had a strong impact on the accuracy of test figure.
Summary of the invention
The utility model technical matters to be solved provides a kind of asphalt girder bending test attemperating unit, the environment temperature control when can be implemented in asphalt girder bending test.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of asphalt girder bending test attemperating unit; Form the pressure-bearing space of a sealing between inner chamber and the exocoel; Be provided with a dividing plate in this pressure-bearing space, a side of dividing plate is provided with the inlet opening, and opposite side is provided with apopore.
A kind of asphalt girder bending test attemperating unit that the utility model provides, for being used for the special-purpose circulates temperature controlled case of asphalt girder bending test, that can realize robotization carries out temperature control to process of the test.
Inlet opening of the utility model and apopore join with circulation water bath with thermostatic control water outlet, water inlet respectively; Circulate in the enclosure space that the temperature control current form between exocoel and inner chamber; Make the water of inner chamber reach the test temperature requirement; Can carry out temperature control effectively automatically in process of the test, improve the reliability of test figure, promote the work efficiency of test.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the stereographic map of the utility model.
Fig. 2 looks synoptic diagram for the master of the utility model.
Embodiment
In Fig. 1, Fig. 2, a kind of asphalt girder bending test attemperating unit, the pressure-bearing space of formation one sealing is provided with a dividing plate 3 between inner chamber 1 and the exocoel 2 in this pressure-bearing space, and a side of dividing plate 3 is provided with inlet opening 4, and opposite side is provided with apopore 5.Inlet opening 4 joins with water outlet, the water inlet of circulation water bath with thermostatic control respectively with apopore 5.
Embodiment:
1) asphalt girder bend specimen places water bath with thermostatic control constant temperature to be no less than 3h, meet the requirements of test temperature ± 0.5 ℃ to asphalt girder bend specimen internal temperature till;
2) water bath with thermostatic control and the utility model are connected, the test bearing is put into the assigned address of the utility model inner chamber 1 and is fixed.
3) the temperature control water in the water bath with thermostatic control is taken out part; Join in the utility model inner chamber 1; Open the cycling switch of water bath with thermostatic control, regulate the circulating water flow size, make circulating water flow in exocoel 2 circulations; The dividing plate 3 that is provided with makes the circulation of current more abundant, treats that inner chamber 1 reaches the test determination temperature requirement and puts into asphalt girder bend specimen;
4) test specimen is taken out from water bath with thermostatic control, be put into immediately on the bearing of inner chamber 1, start pressing machine, impose load at span centre, destroy to test specimen with the rate of deformation of regulation.
Utilize the utility model and circulation water bath with thermostatic control to join; Temperature control water in the circulation water bath with thermostatic control can have the circulation of pressure at exocoel; Circulation through exocoel makes the water of inner chamber reach the test temperature requirement; And cooperate temperature sensor to carry out temperature control automatically, exempted the influence of manpower and temperature factor, improve the reliability of test figure data in process of the test.
Claims (1)
1. asphalt girder bending test attemperating unit; It is characterized in that: the pressure-bearing space that forms a sealing between inner chamber (1) and the exocoel (2); Be provided with a dividing plate (3) in this pressure-bearing space, a side of dividing plate (3) is provided with inlet opening (4), and opposite side is provided with apopore (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120264144XU CN202171552U (en) | 2011-07-25 | 2011-07-25 | Temperature control device of beam bending test for bituminous mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120264144XU CN202171552U (en) | 2011-07-25 | 2011-07-25 | Temperature control device of beam bending test for bituminous mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171552U true CN202171552U (en) | 2012-03-21 |
Family
ID=45829746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120264144XU Expired - Fee Related CN202171552U (en) | 2011-07-25 | 2011-07-25 | Temperature control device of beam bending test for bituminous mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171552U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537331A (en) * | 2013-10-14 | 2014-01-29 | 北京工业大学 | High-polymer nano-grade indentation constant-temperature water-bath sample bench and related experiment method |
| CN104089829A (en) * | 2014-06-28 | 2014-10-08 | 长安大学 | Testing method and testing device for low-temperature cracking resistance performance of asphalt beam |
| CN106248527A (en) * | 2016-08-08 | 2016-12-21 | 山西省交通科学研究院 | A kind of rubber asphalt sample sample container with bottom sidepiece Double insulating effect |
| CN106918548A (en) * | 2017-03-29 | 2017-07-04 | 山东钢铁集团日照有限公司 | A kind of gas attack experimental box |
-
2011
- 2011-07-25 CN CN201120264144XU patent/CN202171552U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537331A (en) * | 2013-10-14 | 2014-01-29 | 北京工业大学 | High-polymer nano-grade indentation constant-temperature water-bath sample bench and related experiment method |
| CN103537331B (en) * | 2013-10-14 | 2015-05-20 | 北京工业大学 | High-polymer nano-grade indentation constant-temperature water-bath sample bench and related experiment method |
| CN104089829A (en) * | 2014-06-28 | 2014-10-08 | 长安大学 | Testing method and testing device for low-temperature cracking resistance performance of asphalt beam |
| CN106248527A (en) * | 2016-08-08 | 2016-12-21 | 山西省交通科学研究院 | A kind of rubber asphalt sample sample container with bottom sidepiece Double insulating effect |
| CN106918548A (en) * | 2017-03-29 | 2017-07-04 | 山东钢铁集团日照有限公司 | A kind of gas attack experimental box |
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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: 20120321 Termination date: 20140725 |
|
| EXPY | Termination of patent right or utility model |