CN214584793U - Multi-factor coupling environment simulation device for testing durability of concrete - Google Patents
Multi-factor coupling environment simulation device for testing durability of concrete Download PDFInfo
- Publication number
- CN214584793U CN214584793U CN202120559921.7U CN202120559921U CN214584793U CN 214584793 U CN214584793 U CN 214584793U CN 202120559921 U CN202120559921 U CN 202120559921U CN 214584793 U CN214584793 U CN 214584793U
- Authority
- CN
- China
- Prior art keywords
- box body
- environment simulation
- simulation box
- environment
- control system
- 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.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a multi-factor coupling environment simulation device for concrete durability test, which comprises an environment simulation box body, wherein a temperature control system and an air supply system are respectively arranged outside the environment simulation box body, a heating element and a refrigerating element of the temperature control system are arranged in the box body, and an air outlet of the air supply system is arranged in the box body; the humidity adjusting system comprises a water storage tank arranged outside the environment simulation box body and a nozzle arranged in the environment simulation box body; the carbon dioxide gas supply system comprises a carbon dioxide gas chamber arranged outside the environment simulation box body and a gas guide pipe for guiding carbon dioxide gas into the environment simulation box body; the ultraviolet emission device is arranged at the top of the inner side of the environment simulation box body; the water inlet system is connected with a water storage tank of the humidity adjusting system; the drainage system is arranged at the bottom of the environment simulation box body. The utility model is suitable for a high altitude strong ultraviolet ray, the big difference in temperature area hardening concrete service environment's of doing cold analogue test can effectively simulate the concrete and be in service in different environment.
Description
Technical Field
The utility model relates to a concrete durability test technical field, concretely relates to multifactor coupling environmental simulation device.
Background
In recent years, China has started the planning and construction of Sichuan-Tibet railways comprehensively, the design service life of the Sichuan-Tibet railways is 100 years, and the geological environment and the climate conditions along the Sichuan-Tibet railways present great challenges to the durability of the structure.
Firstly, in a geothermal high-temperature environment, 36 geothermal display points with the Tibetan exceeding the boiling point are found, and the concrete is cured and in service for a long time in the geothermal environment (more than 60 ℃), so that the durability of a concrete material is possibly influenced by temperature stress damage; secondly, in a severe cold large temperature difference freeze-thaw environment, the road section of the Sichuan-Tibet line is in a permafrost region, taking the Tibet railway 19 standard section of the southern foot of Tanggula as an example, the annual highest and lowest temperature is 28 ℃ and minus 45 ℃, about 180 freeze-thaw cycles exist in one year on average, and the freeze-thaw frequency is high; thirdly, in a strong air convection environment, the average strong wind day of the Lhasa is 26.3d (more than 8 levels or more than 17m/s of wind speed), the annual evaporation capacity is 10-15 times of the rainfall capacity, and the dry strong wind environment can aggravate the water loss in the concrete and influence the long-term hydration effect; fourthly, strong ultraviolet environment, the sunshine time in the Tibet year is 2500-3300 h, and the annual radiation quantity of the Lhasa ultraviolet is about 7900MJ/m21.5-2.5 times of the inland, the service life of the concrete surface protection material is extremely short due to the strong ultraviolet environment, and the carbonization rate of the concrete is accelerated, so that the durability of the concrete is caused.
The extreme erosion environments are not independent, and in most cases, two or more factors are mutually coupled, and the durability of the concrete is accelerated by the coupling effect of the factors. However, in the conventional concrete durability test method, a test is often performed after a certain performance is maintained in a single environment, and the test result cannot accurately judge the real condition of the concrete in the environment, which is not beneficial to the quality control of the concrete engineering.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem lie in the not enough to above-mentioned prior art existence, provide a multifactor coupling environment analogue means for concrete durability test, it is applicable to the high altitude strong ultraviolet ray, the simulation test of the big difference in temperature area hardening concrete service environment of doing cold, each system all is equipped with independent switch, can select suitable operating system as required during the equipment operation, this equipment convenient operation can effectively simulate the concrete and be on active service in different environment, extremely strong using value has.
The utility model discloses a solve the technical scheme that technical problem that the aforesaid provided adopted and be:
a multi-factor coupling environment simulation device for testing the durability of concrete comprises an environment simulation box body for placing a concrete sample, a temperature control system, a humidity adjusting system, a carbon dioxide gas supply system, an ultraviolet ray emission device, an air supply system, a water inlet system and a drainage system, wherein the temperature control system is used for controlling the humidity of the environment simulation box body;
the temperature control system and the air supply system are respectively arranged at the outer side of the environment simulation box body, the heating and refrigerating elements of the temperature control system are arranged in the box body, and the air outlet of the air supply system is arranged in the box body;
the humidity adjusting system comprises a water storage tank arranged outside the environment simulation box body and a nozzle arranged in the environment simulation box body, the water storage tank is connected with the nozzle through a guide pipe, and a solenoid valve switch is arranged on the guide pipe;
the carbon dioxide gas supply system comprises a carbon dioxide gas chamber arranged outside the environment simulation box body and a gas guide pipe for guiding carbon dioxide gas into the environment simulation box body, and the gas guide pipe is provided with a speed-adjustable electromagnetic valve switch;
the ultraviolet emission device is arranged at the top of the inner side of the environment simulation box body;
the water inlet system is connected with a water storage tank of the humidity adjusting system;
the drainage system is arranged at the bottom of the environment simulation box body.
In the above scheme, the temperature and humidity monitoring system further comprises a central control system arranged outside the environment simulation box body and a temperature and humidity monitoring system arranged inside the environment simulation box body, wherein the temperature and humidity monitoring system is connected with the central control system; the electromagnetic valve switch of the humidity adjusting system and the speed-adjustable electromagnetic valve switch of the carbon dioxide gas supply system are respectively connected with the central control system; the central control system is used for monitoring and adjusting the internal parameters of the box body.
In the above scheme, the environmental simulation box openly is equipped with two sealing doors that open, and the box is inside to be equipped with a plurality of layers and to place the detachable support of concrete sample, and a plurality of lockable removal pulleys are equipped with to box outside bottom, and wherein one side is directional pulley, and the opposite side is undirectional pulley.
In the scheme, the temperature control system adopts a TCU refrigerating and heating system, and the temperature adjusting range is-30-50 ℃.
In the scheme, the ultraviolet intensity index range of the ultraviolet emitting device is 0-15.
In the scheme, the air supply system adopts a speed-adjustable high-power flow fan, and the adjustable range of the air speed is 0-20 m/s; the detachable sealing cover is arranged on the outer side of the air supply system, so that a sealing environment can be set conveniently when the air supply system is not in operation.
In the above scheme, the humidity control system and the carbon dioxide gas supply system are arranged at the top of the environment simulation box body, the temperature control system and the air supply system are respectively arranged at the left side and the right side of the environment simulation box body, and the central control system and the temperature and humidity monitoring system are respectively arranged at the front side and the back side of the environment simulation box body.
In the above scheme, install water inlet switch on water inlet system's the inlet tube, install drainage switch on drainage system's the drain pipe, water inlet switch and drainage switch respectively with central control system connects.
The beneficial effects of the utility model reside in that:
(1) the ultraviolet ray emission device provided by the utility model has the ultraviolet intensity index adjusting range of 0-15, can effectively simulate the strong ultraviolet environment in plateau areas, and can also be used for exploring the carbonization performance of the concrete in plateau areas in cooperation with a carbon dioxide gas supply system;
(2) the wind speed adjustable range of the middle air supply system is 0-20 m/s, the air convection environments with different intensities can be molded, and meanwhile, the multi-factor coupling environments such as a dry and cold large temperature difference environment, a dry and large wind environment and the like can be realized by combining a temperature control system, so that the development of concrete strength and the durability degradation rule under the influence of multiple factors of concrete can be conveniently researched;
(3) the utility model discloses still can simulate multifactor coupling environment such as different ultraviolet intensity, humidity, temperature, carbon dioxide concentration, have multi-functionally, with strong points, advantages such as the parameter control of being convenient for can extensively be used for concrete performance test among the building engineering.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic view of the appearance of the multi-factor coupling environment simulation apparatus of the present invention;
fig. 2 is an internal schematic diagram of the multi-factor coupling environment simulation apparatus of the present invention.
In the figure: 10. an environment simulation box body; 11. a double-opening sealing door; 12. a detachable bracket; 13. a pulley; 20. a temperature control system; 30. a humidity conditioning system; 31. a water storage tank; 32. a conduit; 33. a solenoid valve switch; 34. a nozzle; 40. a carbon dioxide gas supply system; 41. a carbon dioxide gas chamber; 42. an air duct; 43. a speed-adjustable electromagnetic valve switch; 50. an ultraviolet emitting device; 60. an air supply system; 61. a removable seal cover; 71. a water intake system; 711. a water inlet switch; 72. a drainage system; 721. a drain switch; 80. a temperature and humidity monitoring system; 90. a central control system.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, for the embodiment of the utility model provides a multi-factor coupling environment simulation device for concrete durability test, including the environmental simulation box 10 that is used for placing the concrete sample, still including installing temperature control system 20, humidity control system 30, carbon dioxide gas supply system 40, ultraviolet emitter 50, air feed system 60, water intake system 71, drainage system 72, temperature and humidity monitoring system 80 and central control system 90 on environmental simulation box 10.
Two sealing door 11 that open are equipped with in environmental simulation box 10 front, and the box is inside to be equipped with the detachable support 12 that is used for placing the concrete sample, and detachable support 12 can place concrete quantity installation one deck, two-layer or multilayer when experimental, and four lockable removal pulleys 13 are equipped with to box outside bottom, and wherein one side is directional pulley, and the opposite side is non-directional pulley.
The temperature control system 20 is installed on the right side of the environment simulation box 10, and heating and cooling elements thereof are disposed in the box. The temperature control system 20 adopts a TCU refrigerating and heating system, and the temperature adjusting range is-30 ℃ to 50 ℃.
The air supply system 60 is arranged on the left side of the environment simulation box body 10, the air speed intensity can be adjusted, an air outlet of the air supply system is arranged in the box body, and a detachable sealing cover is arranged on the outer side of the air supply system 60, so that the sealing environment can be set conveniently when the air supply system does not work. The air supply system adopts a speed-adjustable high-power flow fan, and the adjustable range of the air speed is 0-20 m/s.
The humidity conditioning system 30 and the carbon dioxide gas supply system 40 are both disposed on the top of the environmental simulation tank 10. The humidity control system 30 includes a water storage tank 31 disposed outside the environment simulation tank 10 and a nozzle 34 disposed inside the environment simulation tank 10, the water storage tank 31 and the nozzle 34 are connected by a conduit 32, the conduit 32 is provided with a solenoid valve switch 33, and the number of the nozzle 34 may be one, two or more. The carbon dioxide gas supply system 40 comprises a carbon dioxide gas chamber 41 arranged outside the environment simulation box body 10 and a gas guide tube 42 communicating the carbon dioxide gas chamber 41 with the environment simulation box body 10, and the gas guide tube 42 is provided with a speed-adjustable electromagnetic valve switch 43 for controlling the speed of carbon dioxide entering the box body. The solenoid valve switch 33 of the humidity control system 30 and the speed-adjustable solenoid valve switch 43 of the carbon dioxide gas supply system 40 are connected to the central control system 90, respectively.
The ultraviolet emitting device 50 is installed on the top of the inner side of the environment simulation box 10, and the ultraviolet intensity index range is 0-15.
The water inlet system 71 comprises a water inlet pipe and a water inlet switch 711 mounted on the water inlet pipe, the water inlet pipe is connected with the water storage tank 31 of the humidity adjusting system 30, and the water inlet switch 711 is connected with the central control system 90. The drainage system 72 is disposed at the bottom of the environmental simulation tank 10, and includes a drainage pipe and a drainage switch 721 installed on the drainage pipe, wherein the drainage switch 721 is connected to the central control system 90.
The central control system 90 is installed outside the double-open sealing door 11 of the environmental simulation box body 10 and is used for monitoring detailed parameters inside the device and controlling each switch.
The temperature and humidity monitoring system 80 is installed inside the back of the environmental simulation box 10 and connected to the central control system 90.
The utility model discloses a multifactor coupling environment analogue means is applicable to the high altitude and strong ultraviolet ray, does cold big difference in temperature area hardened concrete service environment's analogue test, and each system all is equipped with independent switch, can select suitable operating system as required during the equipment operation, and this equipment convenient operation can effectively simulate the concrete and be on active service in different environment, has extremely strong using value.
The utility model discloses a multifactor coupling environmental simulation device during operation, can open ultraviolet emitter 50, carbon dioxide gas supply system 40, humidity control system 30, temperature control system 20, water intake system and drainage system, close all the other systems, two divisions of sealing door 11 and can dismantle the sealed cowling, through adjusting parameter, can effectively be used for the environmental simulation in the concrete carbonization performance research. In addition, the utility model discloses still can be for environment such as wet cycle, freeze thawing cycle, strong wind drying of building engineering material durability test simulation, have multi-functionally, high-efficient, characteristics such as application range is wide.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (8)
1. A multi-factor coupling environment simulation device for testing the durability of concrete comprises an environment simulation box body for placing a concrete sample, and is characterized by further comprising a temperature control system, a humidity adjusting system, a carbon dioxide gas supply system, an ultraviolet emission device, an air supply system, a water inlet system and a drainage system;
the temperature control system and the air supply system are respectively arranged at the outer side of the environment simulation box body, the heating and refrigerating elements of the temperature control system are arranged in the box body, and the air outlet of the air supply system is arranged in the box body;
the humidity adjusting system comprises a water storage tank arranged outside the environment simulation box body and a nozzle arranged in the environment simulation box body, the water storage tank is connected with the nozzle through a guide pipe, and a solenoid valve switch is arranged on the guide pipe;
the carbon dioxide gas supply system comprises a carbon dioxide gas chamber arranged outside the environment simulation box body and a gas guide pipe for guiding carbon dioxide gas into the environment simulation box body, and the gas guide pipe is provided with a speed-adjustable electromagnetic valve switch;
the ultraviolet emission device is arranged at the top of the inner side of the environment simulation box body;
the water inlet system is connected with a water storage tank of the humidity adjusting system;
the drainage system is arranged at the bottom of the environment simulation box body.
2. The multi-factor coupling environment simulation device for the concrete durability test according to claim 1, further comprising a central control system arranged outside the environment simulation box body and a temperature and humidity monitoring system arranged inside the environment simulation box body, wherein the temperature and humidity monitoring system is connected with the central control system; the electromagnetic valve switch of the humidity adjusting system and the speed-adjustable electromagnetic valve switch of the carbon dioxide gas supply system are respectively connected with the central control system; the central control system is used for monitoring and adjusting the internal parameters of the box body.
3. The multifactor coupled environment simulator for concrete durability test according to claim 1, wherein the environment simulation box body is provided with a double-opening sealing door on the front surface, a plurality of layers of detachable supports for placing concrete samples are arranged inside the box body, and a plurality of lockable movable pulleys are arranged on the bottom of the outer side of the box body, wherein one side of the movable pulleys is a directional pulley and the other side of the movable pulleys is a non-directional pulley.
4. The multifactor coupled environment simulation device for testing durability of concrete according to claim 1, wherein the temperature control system adopts a TCU refrigeration and heating system, and the temperature adjusting range is-30 ℃ to 50 ℃.
5. The multifactor coupled environment simulator for concrete durability test of claim 1, wherein the ultraviolet ray emitting device has an ultraviolet ray intensity index ranging from 0 to 15.
6. The multifactor coupling environment simulation device for the concrete durability test of claim 1, wherein the air supply system adopts a high-power flow fan with adjustable speed, and the adjustable range of the wind speed is 0-20 m/s; the detachable sealing cover is arranged on the outer side of the air supply system, so that a sealing environment can be set conveniently when the air supply system is not in operation.
7. The multi-factor coupling environment simulation device for the concrete durability test according to claim 2, wherein the humidity control system and the carbon dioxide gas supply system are both arranged at the top of the environment simulation box body, the temperature control system and the air supply system are respectively arranged at the left side and the right side of the environment simulation box body, and the central control system and the temperature and humidity monitoring system are respectively arranged at the front side and the back side of the environment simulation box body.
8. The multi-factor coupling environment simulation device for the concrete durability test according to claim 2, wherein a water inlet switch is installed on a water inlet pipe of the water inlet system, a water outlet switch is installed on a water outlet pipe of the water outlet system, and the water inlet switch and the water outlet switch are respectively connected with the central control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559921.7U CN214584793U (en) | 2021-03-18 | 2021-03-18 | Multi-factor coupling environment simulation device for testing durability of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559921.7U CN214584793U (en) | 2021-03-18 | 2021-03-18 | Multi-factor coupling environment simulation device for testing durability of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584793U true CN214584793U (en) | 2021-11-02 |
Family
ID=78320503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120559921.7U Active CN214584793U (en) | 2021-03-18 | 2021-03-18 | Multi-factor coupling environment simulation device for testing durability of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584793U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136871A (en) * | 2021-11-24 | 2022-03-04 | 国家电网有限公司 | Real-time monitoring device and method for concrete durability in dry-wet cycle process of saline soil |
| CN114660264A (en) * | 2022-03-14 | 2022-06-24 | 清华大学 | Long-term restoration detection method for soil heavy metal |
| CN114878793A (en) * | 2022-05-16 | 2022-08-09 | 中南大学 | Environmental simulation device for concrete shrinkage deformation test in plateau complex coupling environment |
-
2021
- 2021-03-18 CN CN202120559921.7U patent/CN214584793U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136871A (en) * | 2021-11-24 | 2022-03-04 | 国家电网有限公司 | Real-time monitoring device and method for concrete durability in dry-wet cycle process of saline soil |
| CN114660264A (en) * | 2022-03-14 | 2022-06-24 | 清华大学 | Long-term restoration detection method for soil heavy metal |
| CN114878793A (en) * | 2022-05-16 | 2022-08-09 | 中南大学 | Environmental simulation device for concrete shrinkage deformation test in plateau complex coupling environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214584793U (en) | Multi-factor coupling environment simulation device for testing durability of concrete | |
| CN105432262B (en) | Natural low-temperature barn and grain storage method thereof | |
| CN1043487C (en) | Artificial climate combination environment experimental machine and its method | |
| CN104374542A (en) | Atmospheric environmental wind tunnel temperature stratification simulation system | |
| CN110133218B (en) | Cold region water delivery channel wet-dry freeze-thaw cycle centrifugal simulation system and simulation method thereof | |
| CN200942341Y (en) | Thermostatic constant-humidity culturing box | |
| CN205374257U (en) | Simulation naval air environment's automatic acceleration corrosion test device | |
| CN110095337A (en) | The chamber of test specimen mechanical property under a kind of analog freeze thawing temperature loading | |
| WO2021082506A1 (en) | Hot-humid climatic wind tunnel and multi-field coupling control system therefor | |
| CN202921152U (en) | Environmental testing machine and dehumidifying device thereof | |
| CN113340604A (en) | High bypass ratio turbofan engine exhaust emission system | |
| CN205317638U (en) | Sand -and -dust test chamber | |
| CN116297648A (en) | Energy-saving and environment-friendly detection device and detection method for green building | |
| CN103760329A (en) | Heat, light and water coupled aging test chamber for asphalt | |
| CN101587116B (en) | Large-scale low-temperature geotechnical simulation test system | |
| CN111189606A (en) | Reverse economical active wind tunnel experiment condition generation method and system | |
| CN215812317U (en) | Instrument for simulating aging of asphalt mixture under different natural states | |
| CN201828106U (en) | Fast dryer for macroporous core sample on asphalt pavement for drainage | |
| CN108318274A (en) | A kind of pilot system for simulating the dynamic power machine course of work under extreme climate | |
| CN206114490U (en) | Novel accurate japanning ageing testing device | |
| CN105784315A (en) | Flow state variable wind erosion in-situ measuring device | |
| CN110988315B (en) | Simulation device and method for detecting degradation efficiency of tail gas of asphalt mixture | |
| CN210719740U (en) | Building enclosure system wind and rain simulation test device | |
| CN207135570U (en) | Modified atmosphere fresh-keeping storage leak-stopping system | |
| CN206772074U (en) | Circulating water Tower System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |