CN202049154U - Long-term thaw performance simulating and evaluating device for salinization self-thaw road surface - Google Patents
Long-term thaw performance simulating and evaluating device for salinization self-thaw road surface Download PDFInfo
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- CN202049154U CN202049154U CN2011200200955U CN201120020095U CN202049154U CN 202049154 U CN202049154 U CN 202049154U CN 2011200200955 U CN2011200200955 U CN 2011200200955U CN 201120020095 U CN201120020095 U CN 201120020095U CN 202049154 U CN202049154 U CN 202049154U
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Abstract
The utility model discloses a long-term thaw performance simulating and evaluating device for a salinization self-thaw road surface, relating to the technology of road surface test. The long-term thaw performance simulating and evaluating device comprises a constant-temperature water bath box, and a dipping unit and a testing unit arranged in the constant-temperature water bath box, wherein the dipping unit comprises a testing bracket that is internally provided with a test piece; the testing unit comprises a temperature measuring device and a density measuring device; the dipping unit is communicated with the testing unit; and the dipping unit and the testing unit are commonly arranged in a closed container. The device can be applied to tests for simulating the long-term thaw effect of the salinization self-thaw road surface and can evaluate the long-term thaw performance of the salinization self-thaw road surface.
Description
Technical field
The utility model relates to the highway pavement experimental technique, be particularly related to a kind of salt from snow melt road surface long-term snow melt performance simulation evaluating apparatus, can be applied to simulate the test of salt from the long-term snow melt effect in snow melt road surface, the evaluation salt is long-term snow melt performance from the snow melt road surface.
Background technology
Winter road surface accumulated snow to freeze be the difficult problem of puzzlement traffic safety always, need employ lot of manpower and material resources usually and remove ice and snow, also begun initiatively to suppress to freeze the research on road surface thus.Initiatively suppressing freezing technology is in engineering construction or overhaul road surface, initiatively adopts correlation technique in advance or add proprietary material in compound to make the road surface have the purpose function that specific function reaches the snow melt deicing.Suppress initiatively that one of most typical application is that salt is from the snow melt road surface in the freezing technology.Salt refers to add salt in asphalt from the snow melt road surface, makes road surface itself have the melting ice and snow function.Salt is effective because of its ice-melt snow from the snow melt road surface, construction technology simply is easy to promote and is widely used.The inhibition freezing efficiency on this kind of how to evaluate road surface is one of key problem of this research.Under the different weather conditions (snowfall, rainfall amount, temperature, humidity), the precipitation rate difference of snow melt road surface effective constituent salt, and the precipitation rate of salt directly influences its long-term snow melt effect.Domestic correlative study, for example Chang An University has developed a kind of road ice-breaking Simulation evaluation test unit, simulation is at the inhibition freezing efficiency and the ice-breaking capacity that dynamically repeat road surface under the vehicular load effect, it focuses on estimating the short-term snow melt effect of salt from the snow melt road surface, can not estimate the long-term snow melt performance on snow melt road surface.
Summary of the invention
The purpose of this utility model is to provide a kind of salt from snow melt road surface long-term snow melt performance simulation evaluating apparatus, can simulate the test of salt from the long-term snow melt performance in snow melt road surface, and the evaluation salt is long-term snow melt effect from the snow melt road surface.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of salt is from snow melt road surface long-term snow melt performance simulation evaluating apparatus, comprise constant water bath box and be arranged on constant water bath box interior infusion unit and test cell, described infusion unit comprises a test support, place test specimen in the test support, test cell comprises density measuring equipment, infusion unit and test cell are interconnected, and are placed on jointly in the closed container with cover.The utility model can be applied to simulate the test of salt from the long-term snow melt effect in snow melt road surface, and the evaluation salt is long-term snow melt performance from the snow melt road surface.
Further improvement of the utility model and characteristics are:
Described constant water bath box comprises the insulation casing, is arranged in heating tube, the water circle device of insulation bottom half, and is arranged on the external electronic thermostatic controller of insulation can, and described heating tube, water circle device, electronic thermostatic controller are formed constant temperature system.
Described density measuring equipment comprises float, the device for measuring force that links to each other with float, A/D converter and Single Chip Microcomputer (SCM) system.
Described a kind of salt is provided with temperature measuring equipment from snow melt road surface long-term snow melt performance simulation evaluating apparatus in the described test cell.
The utility model is placed on test specimen in the closed container on the test specimen frame, add certain amount of solvent in the closed container, form infusion unit, infusion unit and test cell are connected, temperature measuring equipment and density measuring equipment are arranged in the test cell, thereby the Soak Test unit is interconnected and is placed on the Soak Test function of finishing in the closed container test specimen.The utility model can quicken under the simulation high temperature and rainy condition, the precipitation process of effective constituent in the salt snow melt road surface, and can accurately measure the amount of separating out and the precipitation rate of effective constituent, provide true and reliable experimental enviroment for estimating the long-term snow melt performance in salt snow melt road surface.
The advantage that the utility model technology is outstanding is:
(1) above-mentioned Soak Test unit is placed in the constant water bath box, and by adjusting the water temperature in the constant water bath box, the warranty test environment is stable easily.
(2) adopt closed container to carry out the soak test container, can effectively avoid the evaporation of solvent in the test process, improve the accuracy of density measurement as test specimen.
(3) test specimen is placed on the many empty sample stents in bottom, and guaranteeing has even temperature around the test specimen, and effective constituent can be separated out rapidly and uniformly in the test specimen, can reach the purpose of quickening simulation test.
(4) be provided with temperature measuring equipment in the measuring unit again, can read the temperature of the soaking solution of surveying easily, the density of survey soaking solution is carried out the temperature correction.
(5) the utility model is with infusion unit and the test cell influence that can effectively avoid the disturbance of solution in the infusion unit to the test cell test function placed apart.
Description of drawings
Below in conjunction with the drawings and specific embodiments content of the present invention is described in further details.
Fig. 1 is the structural representation of a kind of salt of the present utility model from snow melt road surface long-term snow melt performance simulation evaluation experimental device.
Embodiment
With reference to Fig. 1, constant water bath box 20 comprises: insulation casing 1, be arranged in electrothermal tube 2, water circle device 3 in insulation casing 1 bottom, and be arranged on the external electronic thermostatic controller 4 of insulation can, heating tube 2, water circle device 3, electronic thermostatic controller 4 are formed constant temperature system, wherein the electronic thermostatic device detects the water temperature in the water bath automatically, and controls heating tube water is heated, thereby water circulation system makes the water in the water bath constantly circulate the maintenance even water temperature.
Test procedure is as follows:
(1) opens closed container 10 and add 1L water, add suitable quantity of water in the insulation casing 1;
(2) turn on the power switch 16, by electronic thermostatic controller 4 test temperature is set, open constant water bath box 20 heater switch 17, the cycling switch 18 of fetching boiling water makes constant water bath box 20 interior water temperatures near test temperature;
(3) open closed container 10 then, the stand for experiment 5 that is placed with test specimen 6 is put in the closed container 10, close closed container 10 and insulation casing 1, adjust insulation spin manifold temperature 1 and reach test temperature;
(4) close water cycle switch 18, wait to be incubated in the casing 1 behind the liquid level stabilizing, open Test Switchboard 19, on display panels 14, read the real time temperature and the density of soaking solution.
(5) after measurement finishes, close Test Switchboard 19, the circulation 18 of fetching boiling water makes the interior solution temperature of closed container constant in test temperature.
(6) according to the actual requirements at set intervals, repeating step (4) and step (5) are carried out density measure to soaking solution.
At last, measurement data is gathered arrangement,, calculate the amount of separating out of test specimen salt according to the density difference of soaking solution and solvent under a certain temperature.Salt total content in the amount of separating out of salt and the test specimen is compared, can draw the percent of separating out of salt.Salt under the test condition is separated out percent set up correlationship, thereby can estimate the long-term snow melt performance on salt snow melt road surface fast by the method for test with separating out percent under the natural conditions.
Claims (3)
1. a salt is from snow melt road surface long-term snow melt performance simulation evaluating apparatus, comprise constant water bath box (20) and be arranged on constant water bath box interior infusion unit (21) and test cell (22), it is characterized in that, described infusion unit (21) comprises a test support (5), place test specimen (6) in the test support, test cell (22) comprises density measuring equipment (23) and temperature measuring equipment (15), infusion unit (21) and test cell (22) are interconnected, and are placed on jointly in the closed container with cover (10).
2. a kind of salt according to claim 1 is from snow melt road surface long-term snow melt performance simulation evaluating apparatus, it is characterized in that, described constant water bath box (20) comprises insulation casing (1), be arranged in heating tube (2), the water circle device (3) of insulation bottom half, and being arranged on the external electronic thermostatic controller (4) of insulation can, described heating tube (2), water circle device (3), electronic thermostatic controller (4) are formed constant temperature system.
3. a kind of salt according to claim 1 is from snow melt road surface long-term snow melt performance simulation evaluating apparatus, it is characterized in that, described density measuring equipment (23) comprises float (7), the device for measuring force (8) that links to each other with float (7), A/D converter is connected with device for measuring force (8) with Single Chip Microcomputer (SCM) system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200200955U CN202049154U (en) | 2011-01-21 | 2011-01-21 | Long-term thaw performance simulating and evaluating device for salinization self-thaw road surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200200955U CN202049154U (en) | 2011-01-21 | 2011-01-21 | Long-term thaw performance simulating and evaluating device for salinization self-thaw road surface |
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| CN202049154U true CN202049154U (en) | 2011-11-23 |
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| CN2011200200955U Expired - Fee Related CN202049154U (en) | 2011-01-21 | 2011-01-21 | Long-term thaw performance simulating and evaluating device for salinization self-thaw road surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175568A (en) * | 2011-01-21 | 2011-09-07 | 长安大学 | Device for evaluating longer-term snow-melting property of salinization matter for automatically melting snows on road surface |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN104807980A (en) * | 2015-05-23 | 2015-07-29 | 林光琴 | Evaluation method for snow melting performance of pavement of highway |
| CN110208455A (en) * | 2019-06-06 | 2019-09-06 | 中盐金坛盐化有限责任公司 | A method of measurement frost-resistant material mixture release conditions |
-
2011
- 2011-01-21 CN CN2011200200955U patent/CN202049154U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175568A (en) * | 2011-01-21 | 2011-09-07 | 长安大学 | Device for evaluating longer-term snow-melting property of salinization matter for automatically melting snows on road surface |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN104807980A (en) * | 2015-05-23 | 2015-07-29 | 林光琴 | Evaluation method for snow melting performance of pavement of highway |
| CN110208455A (en) * | 2019-06-06 | 2019-09-06 | 中盐金坛盐化有限责任公司 | A method of measurement frost-resistant material mixture release conditions |
| CN110208455B (en) * | 2019-06-06 | 2022-04-19 | 中盐金坛盐化有限责任公司 | Method for measuring release condition of antifreezing material mixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20120121 |