CN210982176U - Concrete freeze-thaw cycle testing machine - Google Patents
Concrete freeze-thaw cycle testing machine Download PDFInfo
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- CN210982176U CN210982176U CN201921908545.7U CN201921908545U CN210982176U CN 210982176 U CN210982176 U CN 210982176U CN 201921908545 U CN201921908545 U CN 201921908545U CN 210982176 U CN210982176 U CN 210982176U
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- 238000012360 testing method Methods 0.000 title claims abstract description 180
- 230000005855 radiation Effects 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 73
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010257 thawing Methods 0.000 abstract description 31
- 239000012266 salt solution Substances 0.000 abstract description 27
- 238000007710 freezing Methods 0.000 abstract description 15
- 230000008014 freezing Effects 0.000 abstract description 15
- 150000003839 salts Chemical class 0.000 abstract description 9
- 238000011156 evaluation Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 17
- 238000004321 preservation Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000002354 daily effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a concrete freeze thawing cycle testing machine relates to concrete test equipment technical field. The utility model discloses freeze thawing test box and industrial computer, be provided with the test chamber in the freeze thawing test box, the test chamber is interior to be erect and is equipped with test piece box support, be provided with a plurality of test piece boxes on the test piece box support; the freezing and thawing test box body is internally provided with an ultraviolet radiation mechanism, a heating mechanism, a medium circulation mechanism and a salt solution supply mechanism; the ultraviolet radiation mechanism, the heating mechanism, the medium circulation mechanism and the salt solution supply mechanism are all connected with the industrial personal computer. The utility model provides a freeze thawing test machine, comprehensive consideration ambient temperature, strong ultraviolet radiation and salt concentration simulate the environment that the western region of our country concrete is located, provide hardware support for the frost resistance of rational evaluation concrete.
Description
Technical Field
The utility model relates to a concrete test equipment technical field, more specifically say and relate to a concrete freeze-thaw cycle testing machine.
Background
At present, a large amount of infrastructure of China is continuously constructed, and concrete is used as one of main raw materials of infrastructure engineering, and the research on the influence of natural environment and climate characteristics on the frost resistance of the concrete is particularly important. The environment in western regions of China, especially in Qinghai-Tibet plateau regions, is severe, such as large day-night temperature difference, high cold, strong ultraviolet radiation and a large amount of salt lakes, and has great damage effect on the durability of concrete. The strong ultraviolet radiation has an aging effect on materials, and concrete can be damaged when being exposed in the environment for a long time, so that hidden dangers are brought to the safety performance of buildings, roads and bridge facilities. At present, the influence of ultraviolet radiation on materials is mostly researched by adopting a test method of accelerated aging of an ultraviolet aging box, but the influence of ultraviolet radiation on the durability of concrete has no test method in national specifications and standards in China.
In addition to intense ultraviolet radiation, large temperature differences, salt lakes and severe cold have a great adverse effect on the frost resistance of concrete. The standard of GB/T50082-2008 'long-term performance and durability of common concrete' specifies a freeze-thaw cycle test (slow freezing method and fast freezing method) which is carried out under standard conditions, has great difference with the characteristics of the real natural environment and climate, and can not correctly evaluate the frost resistance of the concrete. Therefore, the concrete frost resistance should be predicted taking into account the effects of various environments and climates.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that exists among the above-mentioned prior art and not enough, the utility model provides a concrete freeze thawing cycle testing machine, the utility model aims to provide a comprehensive consideration ambient temperature, strong ultraviolet ray and salt concentration composite condition under concrete freeze thawing testing machine to the high ultraviolet radiation and the salt erosion environment that the simulation western region concrete of our country is located provide hardware support for the anti freeze thawing of reasonable evaluation concrete.
In order to solve the problems existing in the prior art, the utility model discloses a realize through following technical scheme:
the utility model provides a concrete freeze-thaw cycle testing machine, includes freeze-thaw test box and industrial computer, its characterized in that: a test cavity is arranged in the freeze thawing test box body, a test piece box support is erected in the test cavity, and a plurality of test piece boxes are arranged on the test piece box support; a box cover is arranged above the freeze thawing test box body, and an ultraviolet radiation mechanism and a heating mechanism are arranged on the box cover; the bottom of the freeze-thaw test box is provided with a medium circulating mechanism for circularly supplying medium liquid into the test cavity, the bottom of the test cavity is provided with a medium liquid outlet, the upper end of the test cavity is provided with a medium liquid inlet, the medium liquid in the test cavity enters the medium circulating mechanism from the medium liquid outlet and is conveyed to the medium liquid inlet by the medium circulating mechanism to enter the test cavity; a saline solution supply mechanism is further arranged in the freeze-thaw test box body, a saline solution inlet and outlet is formed in the bottom of the test piece box, and the saline solution is conveyed into the test piece box from the saline solution inlet and outlet by the saline solution supply mechanism; a saline solution temperature sensor is arranged in the test piece box, and a medium liquid temperature sensor is arranged in the test cavity; the ultraviolet radiation mechanism, the heating mechanism, the medium circulation mechanism, the salt solution supply mechanism, the salt solution temperature sensor and the medium temperature sensor are all connected with the industrial personal computer.
The bottom of the test piece box is provided with a net-shaped rack, and a liquid level sensor is arranged in the test piece box and connected with an industrial personal computer.
The saline solution supply mechanism comprises a solution storage box and a circulating water pump, the circulating water pump is connected with the industrial personal computer, and the industrial personal computer controls the circulating water pump to supply saline solution to the test piece box.
The ultraviolet radiation mechanism is an ultraviolet lamp, and the radiation degree of the ultraviolet lamp is 30W/m3And the industrial personal computer controls the on-off of the ultraviolet lamp.
The test piece box is suspended in the test cavity through the test piece box support, the medium liquid is located outside the test piece box, and the depth of the test piece box soaked in the medium liquid is 110 mm.
The number of the test piece boxes is 6.
The utility model discloses a theory of use, as follows:
firstly, preparing a salt solution (such as a seawater solution or a salt lake solution) as required, and placing two groups (3) of concrete samples reaching the test age into the prepared salt solution to be saturated with water for more than 72 hours; and respectively putting the concrete test pieces saturated with water on the test piece box mesh racks, wherein the gap between the test pieces and the side walls of the test piece box is 50 +/-2 mm. In the second step, the user loads the prepared saline solution into a storage tank located on the right side of the test chamber. And thirdly, inputting the highest and lowest liquid levels (the data of the high and low liquid levels can be the same) and the cycle times of the saline solution on the control interface of the industrial personal computer by a user according to the requirements. And fourthly, inputting daily irradiance on an interface of the industrial personal computer by a user according to needs, and automatically calculating the radiation time by the industrial personal computer. And fifthly, inputting the solution and environment temperature and the heat preservation time in the freezing period, the solution and environment temperature and the heat preservation time in the melting period and the number of times of freeze-thaw cycles on a control interface of the industrial personal computer by a user according to needs. And sixthly, turning on a power button on the surface of the box body, pointing a 'start' button on a control interface of the industrial personal computer, and performing freeze-thaw cycle test according to the requirements of a user. And seventhly, after the test is finished, taking out the test block, firstly carrying out quality loss detection, then detecting the compressive strength, and evaluating the frost resistance of the concrete according to the standard of the long-term performance and durability of the common concrete.
Compared with the prior art, the beneficial technical effects brought by the application are shown in that:
1. the utility model provides a freeze thawing test machine, comprehensive consideration ambient temperature, strong ultraviolet radiation and salt concentration simulate the environment that the western region of our country concrete is located, provide hardware support for the frost resistance of rational evaluation concrete.
2. The utility model discloses a freeze thawing test machine through medium liquid simulation external environment temperature, through ultraviolet radiation mechanism simulation intense ultraviolet radiation, through salt solution supply mechanism simulation salt erosion environment. According to the method, the temperature of the external environment is simulated through the medium liquid, the external environment of the concrete can be better restored, the authenticity of a test is improved, and the simulation precision is improved; in the application, the ultraviolet radiation mechanism is arranged on the box cover at the upper end of the freeze-thaw box body, so that the ultraviolet radiation environment borne by concrete in a real environment is better restored, the erosion condition of the salt solution is truly simulated by the salt solution supply system, and meanwhile, the soaking liquid level height and the soaking time length of the salt solution can be controlled according to the actual condition; the freeze thawing circulator of this application, simple structure, test data is accurate, can the rational evaluation concrete frost resistance.
3. The industrial control computer in this application is according to salt solution level sensor, salt solution temperature sensor and medium liquid temperature sensor, the environment in the real time monitoring freeze thawing test box, through the long time of industrial control computer control ultraviolet radiation and radiation degree, salt solution soak long time and liquid level transform, medium liquid cycle number and temperature etc. realize concrete freeze thawing test's automatic test and control, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the freeze thawing test box of the present invention;
reference numerals: 1. the device comprises a freeze thawing test box body, a salt solution supply mechanism, a medium circulation mechanism, a power switch, a power supply indicator lamp, an abnormal operation indicator lamp, a heating mechanism, an industrial personal computer, a medium circulation mechanism, a medium liquid temperature sensor, a test piece box, a liquid level sensor, a mesh rack, a saline solution temperature sensor, a saline solution inlet, a saline solution outlet, a saline solution conveying pipeline, a circulating water pump, a solution storage box, a medium liquid outlet, a medium liquid inlet, a test piece box support, a heating pipe and a heating pipe.
Detailed Description
The technical solution of the present invention will be further elaborated with reference to the drawings attached to the description.
Example 1
Referring to the attached fig. 1 and 2, the present embodiment discloses:
a concrete freezing and thawing cycle testing machine comprises a freezing and thawing test box body 1 and an industrial personal computer 8, wherein a test cavity is arranged in the freezing and thawing test box body 1, a test piece box support 21 is erected in the test cavity, and a plurality of test piece boxes 11 are arranged on the test piece box support 21; a box cover is arranged above the freeze thawing test box body 1, and an ultraviolet radiation mechanism 9 and a heating mechanism 7 are arranged on the box cover; the bottom of the freeze-thaw test box is provided with a medium circulating mechanism 3 for circularly supplying medium liquid to the test cavity, the bottom of the test cavity is provided with a medium liquid outlet 19, the upper end of the test cavity is provided with a medium liquid inlet 20, the medium liquid in the test cavity enters the medium circulating mechanism 3 from the medium liquid outlet 19 and is conveyed to the medium liquid inlet 20 by the medium circulating mechanism 3 to enter the test cavity; a saline solution supply mechanism 2 is further arranged in the freeze-thaw test box body 1, a saline solution inlet and outlet 15 is arranged at the bottom of the test piece box 11, and the saline solution is conveyed into the test piece box 11 from the saline solution inlet and outlet 15 by the saline solution supply mechanism 2; a saline solution temperature sensor 14 is arranged in the test piece box 11, and a medium liquid temperature sensor 10 is arranged in the test cavity; the ultraviolet radiation mechanism 9, the heating mechanism 7, the medium circulation mechanism 3, the salt solution supply mechanism 2, the salt solution temperature sensor 14 and the medium liquid temperature sensor 10 are all connected with the industrial personal computer 8.
Firstly, preparing a salt solution (such as a seawater solution or a salt lake solution) as required, and placing two groups (3) of concrete samples reaching the test age into the prepared salt solution to be saturated with water for more than 72 hours; and respectively placing the concrete test pieces saturated with water on the reticular racks 13 of the test piece box 11, wherein the gap between the test pieces and the side wall of the test piece box 11 is 50 +/-2 mm. In the second step, the user loads the prepared saline solution into a storage tank located on the right side of the test chamber. And thirdly, inputting the highest and lowest liquid levels (the data of the high and low liquid levels can be the same) and the cycle times of the saline solution on a control interface of the industrial personal computer 8 by a user according to the requirements. And fourthly, inputting daily irradiance on an interface of the industrial personal computer 8 by a user according to needs, and automatically calculating the radiation time by the industrial personal computer 8. And fifthly, inputting the solution and environment temperature and the heat preservation time in the freezing period, the solution and environment temperature and the heat preservation time in the melting period and the number of times of freeze-thaw cycles on a control interface of the industrial personal computer 8 by a user according to the requirements. And sixthly, turning on a power button on the surface of the box body, and pointing a 'start' button on a control interface of the industrial personal computer 8, wherein the freeze-thaw cycle test can be carried out according to the requirements of a user. And seventhly, after the test is finished, taking out the test block, firstly carrying out quality loss detection, then detecting the compressive strength, and evaluating the frost resistance of the concrete according to the standard of the long-term performance and durability of the common concrete.
Example 2
As another preferred embodiment of the present invention, the present embodiment discloses:
a concrete freezing and thawing cycle testing machine comprises a freezing and thawing test box body 1 and an industrial personal computer 8, wherein a test cavity is arranged in the freezing and thawing test box body 1, a test piece box support 21 is erected in the test cavity, and a plurality of test piece boxes 11 are arranged on the test piece box support 21; a box cover is arranged above the freeze thawing test box body 1, and an ultraviolet radiation mechanism 9 and a heating mechanism 7 are arranged on the box cover; the bottom of the freeze-thaw test box is provided with a medium circulating mechanism 3 for circularly supplying medium liquid to the test cavity, the bottom of the test cavity is provided with a medium liquid outlet 19, the upper end of the test cavity is provided with a medium liquid inlet 20, the medium liquid in the test cavity enters the medium circulating mechanism 3 from the medium liquid outlet 19 and is conveyed to the medium liquid inlet 20 by the medium circulating mechanism 3 to enter the test cavity; a saline solution supply mechanism 2 is further arranged in the freeze-thaw test box body 1, a saline solution inlet and outlet 15 is arranged at the bottom of the test piece box 11, and the saline solution is conveyed into the test piece box 11 from the saline solution inlet and outlet 15 by the saline solution supply mechanism 2; a saline solution temperature sensor 14 is arranged in the test piece box 11, and a medium liquid temperature sensor 10 is arranged in the test cavity; the ultraviolet radiation mechanism 9, the heating mechanism 7, the medium circulation mechanism 3, the salt solution supply mechanism 2, the salt solution temperature sensor 14 and the medium liquid temperature sensor 10 are all connected with the industrial personal computer 8.
The bottom of the test piece box 11 is provided with a net-shaped rack 13, a liquid level sensor 12 is arranged in the test piece box 11, and the liquid level sensor 12 is connected with the industrial personal computer 8. The saline solution supply mechanism 2 comprises a solution storage box 18 and a circulating water pump 17, the circulating water pump 17 is connected with the industrial personal computer 8, and the industrial personal computer 8 controls the circulating water pump 17 to supply saline solution into the test piece box 11. The ultraviolet radiation mechanism 9 is an ultraviolet lamp, and the radiation degree of the ultraviolet lamp is 30W/m3And the industrial personal computer 8 controls the on-off of the ultraviolet lamp. The test piece box 11 is suspended in the test piece through the test piece box bracket 21In the test cavity, the medium liquid is positioned outside the test piece box 11, and the depth of the test piece box 11 soaked in the medium liquid is 110 mm. The number of the specimen boxes 11 is 6.
Example 3
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses:
as shown in the attached drawing 1, the utility model discloses a simulation ultraviolet radiation and salt erosion environment's concrete freeze-thaw cycle testing machine, including freeze-thaw test box 1, ultraviolet irradiation mechanism, heating mechanism 7, medium circulation mechanism 3, salt solution supply mechanism 2, industrial computer 8. Be provided with power indicator 5, abnormal operation pilot lamp 6 and switch 4 on the box, the person of facilitating the use monitors the freeze thawing test box. The heating mechanism 7 and the ultraviolet radiation mechanism 9 are arranged on the upper part of the box body and used for simulating sunlight irradiation, the heating system is used for simulating sunlight temperature, and the ultraviolet radiation mechanism 9 is used for simulating sunlight ultraviolet irradiation; the medium circulating mechanism 3 is positioned at the bottom of the box body, the medium liquid outlet 19 is positioned at the middle upper part of the box body, and the medium liquid inlet 20 is positioned at the bottom of the box body; the saline solution feeding mechanism 2 is located on the right side of the box body. The industrial personal computer 8 is connected with the ultraviolet radiation mechanism 9, the heating mechanism 7, the medium circulating mechanism 3 and the salt solution supply mechanism 2 through an input/output line, the freezing and thawing cycle times, the cooling temperature and the thawing temperature, the composition and the liquid level of the salt solution and the ultraviolet radiation intensity can be changed as required, and the natural environment where the concrete is located can be better fitted.
As shown in the attached figure 2, the freezing and thawing test box body 1 comprises a heating pipe 22, an ultraviolet lamp, a test piece box 11, a medium liquid temperature sensor 10, a salt solution temperature sensor 14, a medium liquid outlet 19 and a medium liquid inlet 20.
The ultraviolet lamp radiance is 30W/m2, and the time of irradiation every day can be determined by computer calculation according to the annual radiant quantity of the engineering place, and the on-off time of the ultraviolet lamp is controlled.
The size of the test piece box 11 is 250mm × 250mm × 250mm, the test piece box 11 is suspended in the medium liquid of the freeze-thaw test box body 1 through a test piece box bracket 21, the bottom of the test piece box 11 is provided with a net rack 13, a 100mm × 100mm × 100mm concrete test block is arranged on the rack, and a liquid level sensor 12 and a salt solution temperature sensor 14 are arranged in the test piece box 11.
The saline solution feeding mechanism 2 includes a saline solution inlet and outlet 15, a saline solution delivery pipe 16, a solution storage tank 18, and a circulating water pump 17. The saline solution inlet and outlet 15 is located at the bottom of the test piece box 11 and controlled by the industrial personal computer 8, the saline solution can enter the test piece box 11 under the positive pressure of the circulating water pump 17 and be pumped out of the test piece box 11 under the negative pressure, and a user can change the high and low liquid levels of the saline solution circularly as required to simulate the influence of tide and a salt lake on the frost resistance of concrete. In addition, the user can adjust the composition of the saline solution according to the needs.
The medium liquid is located test piece box 11 outside, and the degree of depth that test piece box 11 soaked in the coolant liquid is 110mm, and inside the coolant liquid, the corner that is located the box left and right sides respectively has a medium liquid temperature sensor 10. In the present application, the medium liquid may be a cooling liquid or a heating liquid, and is supplied by the medium circulation mechanism 3, the medium circulation mechanism 3 includes cooling and/or heating, a circulation pump, and the like, and the medium may be water.
A concrete freezing and thawing cycle testing machine for simulating an ultraviolet radiation and salt erosion environment comprises the following working steps:
firstly, preparing a salt solution (such as a seawater solution or a salt lake solution) as required, and placing two groups (3) of concrete samples reaching the test age into the prepared salt solution to be saturated with water for more than 72 hours; the concrete samples which are saturated with water are respectively put on the sample box 1111 net racks 1313, and the gap between the sample and the side wall of the sample box 11 is 50mm plus or minus 2 mm.
In the second step, the user loads the prepared saline solution into the reservoir 18 located on the right side of the test chamber.
And thirdly, inputting the highest and lowest liquid levels (the data of the high and low liquid levels can be the same) and the circulation times of the saline solution on the control interface of the computer 8 by a user according to requirements.
And fourthly, inputting daily irradiance on a computer interface by a user according to needs, and automatically calculating the radiation time by the computer.
And fifthly, inputting the solution and environment temperature and the heat preservation time in the freezing period, the solution and environment temperature and the heat preservation time in the thawing period and the number of freeze-thaw cycles on a computer control interface by a user according to requirements.
And sixthly, turning on a power button 4 on the surface of the box body, clicking a 'start' button on a computer control interface, and performing the freeze-thaw cycle test according to the requirements of a user.
And seventhly, after the test is finished, taking out the test block, firstly carrying out quality loss detection, then detecting the compressive strength, and evaluating the frost resistance of the concrete according to the standard of the long-term performance and durability of the common concrete.
Claims (6)
1. The utility model provides a concrete freeze-thaw cycle testing machine, includes freeze-thaw test box (1) and industrial computer (8), its characterized in that: a test cavity is arranged in the freeze-thaw test box body (1), a test piece box support (21) is erected in the test cavity, and a plurality of test piece boxes (11) are arranged on the test piece box support (21); a box cover is arranged above the freeze-thaw test box body (1), and an ultraviolet radiation mechanism (9) and a heating mechanism (7) are arranged on the box cover; the bottom of the freeze-thaw test box is provided with a medium circulating mechanism (3) for circularly supplying medium liquid to the test cavity, the bottom of the test cavity is provided with a medium liquid outlet (19), the upper end of the test cavity is provided with a medium liquid inlet (20), the medium liquid in the test cavity enters the medium circulating mechanism (3) from the medium liquid outlet (19), and is conveyed to the medium liquid inlet (20) by the medium circulating mechanism (3) to enter the test cavity; a saline solution supply mechanism (2) is further arranged in the freeze-thaw test box body (1), a saline solution inlet and outlet (15) is formed in the bottom of the test piece box (11), and the saline solution is conveyed into the test piece box (11) from the saline solution inlet and outlet (15) through the saline solution supply mechanism (2); a saline solution temperature sensor (14) is arranged in the test piece box (11), and a medium liquid temperature sensor (10) is arranged in the test cavity; the ultraviolet radiation mechanism (9), the heating mechanism (7), the medium circulation mechanism (3), the saline solution supply mechanism (2), the saline solution temperature sensor (14) and the medium liquid temperature sensor (10) are all connected with the industrial personal computer (8).
2. The concrete freeze-thaw cycle testing machine according to claim 1, wherein: the bottom of the test piece box (11) is provided with a net-shaped rack (13), a liquid level sensor (12) is arranged in the test piece box (11), and the liquid level sensor (12) is connected with the industrial personal computer (8).
3. The concrete freeze-thaw cycle testing machine according to claim 1, wherein: the saline solution supply mechanism (2) comprises a solution storage box (18) and a circulating water pump (17), the circulating water pump (17) is connected with the industrial personal computer (8), and the industrial personal computer (8) controls the circulating water pump (17) to supply saline solution into the test piece box (11).
4. A concrete freeze-thaw cycle tester according to any one of claims 1-3, wherein: the ultraviolet radiation mechanism (9) is an ultraviolet lamp, and the radiation degree of the ultraviolet lamp is 30W/m3And the industrial personal computer (8) controls the on-off of the ultraviolet lamp.
5. The concrete freeze-thaw cycle testing machine according to claim 1, wherein: the test piece box (11) is suspended in the test cavity through the test piece box support (21), the medium liquid is located outside the test piece box (11), and the depth of the test piece box (11) soaked in the medium liquid is 110 mm.
6. A concrete freeze-thaw cycle tester according to claim 1 or 5, wherein: the number of the test piece boxes (11) is 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921908545.7U CN210982176U (en) | 2019-11-07 | 2019-11-07 | Concrete freeze-thaw cycle testing machine |
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| CN201921908545.7U CN210982176U (en) | 2019-11-07 | 2019-11-07 | Concrete freeze-thaw cycle testing machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666200A (en) * | 2020-12-15 | 2021-04-16 | 内蒙古综合交通科学研究院有限责任公司 | Concrete frost resistance evaluation method |
| CN112858017A (en) * | 2021-01-05 | 2021-05-28 | 西安科技大学 | Test device and test method for comprehensively simulating dynamic pressure-bearing soaking and freezing-thawing environment |
| CN114252387A (en) * | 2021-07-12 | 2022-03-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A concrete test device and test method considering the influence of strong plateau radiation |
| CN114486512A (en) * | 2022-03-09 | 2022-05-13 | 东北林业大学 | Concrete durability test device under load and multi-environment factor coupling effect |
| CN114660274A (en) * | 2022-03-11 | 2022-06-24 | 西京学院 | Disconnect-type concrete freeze-thaw cycle test device |
| CN115326863A (en) * | 2022-08-16 | 2022-11-11 | 沈阳建筑大学 | Seawater freezing and thawing cycle test device |
| CN115508240A (en) * | 2022-09-29 | 2022-12-23 | 昆明理工大学 | Simulation test method for freezing and thawing cycle of half-exposed state slope rock mass |
| CN119574613A (en) * | 2024-11-28 | 2025-03-07 | 山东省路桥集团有限公司 | A concrete freeze-thaw cycle testing machine and use method thereof |
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2019
- 2019-11-07 CN CN201921908545.7U patent/CN210982176U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666200A (en) * | 2020-12-15 | 2021-04-16 | 内蒙古综合交通科学研究院有限责任公司 | Concrete frost resistance evaluation method |
| CN112666200B (en) * | 2020-12-15 | 2023-09-01 | 内蒙古综合交通科学研究院有限责任公司 | Concrete frost resistance evaluation method |
| CN112858017A (en) * | 2021-01-05 | 2021-05-28 | 西安科技大学 | Test device and test method for comprehensively simulating dynamic pressure-bearing soaking and freezing-thawing environment |
| CN112858017B (en) * | 2021-01-05 | 2024-04-05 | 西安科技大学 | Test device and test method for comprehensively simulating dynamic pressure-bearing soaking and freeze thawing environments |
| CN114252387A (en) * | 2021-07-12 | 2022-03-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A concrete test device and test method considering the influence of strong plateau radiation |
| CN114486512A (en) * | 2022-03-09 | 2022-05-13 | 东北林业大学 | Concrete durability test device under load and multi-environment factor coupling effect |
| CN114660274A (en) * | 2022-03-11 | 2022-06-24 | 西京学院 | Disconnect-type concrete freeze-thaw cycle test device |
| CN115326863A (en) * | 2022-08-16 | 2022-11-11 | 沈阳建筑大学 | Seawater freezing and thawing cycle test device |
| CN115508240A (en) * | 2022-09-29 | 2022-12-23 | 昆明理工大学 | Simulation test method for freezing and thawing cycle of half-exposed state slope rock mass |
| CN119574613A (en) * | 2024-11-28 | 2025-03-07 | 山东省路桥集团有限公司 | A concrete freeze-thaw cycle testing machine and use method thereof |
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