CN106525703A - Concrete durability test device - Google Patents
Concrete durability test device Download PDFInfo
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- CN106525703A CN106525703A CN201611050398.5A CN201611050398A CN106525703A CN 106525703 A CN106525703 A CN 106525703A CN 201611050398 A CN201611050398 A CN 201611050398A CN 106525703 A CN106525703 A CN 106525703A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
- G05D11/138—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the concentration of the mixture, e.g. measuring pH value
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- Automation & Control Theory (AREA)
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a concrete durability test device and relates to the technical field of concrete durability tests. The concrete durability test device is capable of accurately controlling concentration of carbon dioxide gas in a box body and improving the validity and reliability of test results. The concrete durability test device comprises the box body, an air supply device, a carbon dioxide sensor and a controller, wherein the inside of the box body is divided into an air source chamber and a test chamber via an air hole plate; air ventilation holes are formed in the air hole plate; an air supply pipeline is arranged on the side wall of the air source chamber, is connected with a valve and is used for connecting with a carbon dioxide generator; a box door is arranged on the side wall of the test chamber; an air inlet of the air supply device is communicated with the air source chamber; an air outlet of the air supply device is communicated with the test chamber and is communicated with the air ventilation holes via the test chamber; the carbon dioxide sensor is arranged in the test chamber and is used for detecting the concentration of carbon dioxide in the test chamber; the measurement accuracy is within 0.001%-0.01%; the controller is respectively connected to the carbon dioxide sensor and the valve and is used for receiving signals of the carbon dioxide sensor and controlling opening and closing of the valve.
Description
Technical field
The present invention relates to concrete durability experiment technical field, more particularly to a kind of concrete durability experiment device.
Background technology
Concrete material durability declines and military service performance premature deterioration is current cement concrete scientific circles and engineering circles
The problem paid close attention to the most, wherein, carbonization is to cause one of key factor of endurance performance of concrete decline, therefore generally to coagulation
Soil carries out carbonization test to differentiate the performance of concrete.
At present, when carbonization test is carried out to concrete, carbon-dioxide generator provides carbon dioxide gass into carbonization case
Body, carbon dioxide gass are known from experience and the concrete generation chemical reaction being placed in carbonization case, when the concentration of carbon dioxide is less than
During required value, then carbon-dioxide generator is made to continue to provide carbon dioxide into carbonization case.
However, in above-mentioned process of the test, inventor has found that at least there are the following problems in prior art：Carbon dioxide is sent out
The density of carbon dioxide gas that raw device is provided into carbonization case cannot be precisely controlled, during the gas concentration lwevel for being carbonized in case
Higher state is often in, the validity and reliability of result of the test is affected.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of concrete durability experiment device, can be in precise control casing
Density of carbon dioxide gas, improve result of the test validity and reliability.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
The embodiment of the present invention provides a kind of concrete durability experiment device, including：
Source of the gas room and test chamber, the company of being provided with the air holes plate are separated into by air holes plate in casing, the casing
Lead to the source of the gas room and the air vent of the test chamber, on the side wall of the source of the gas room, be provided with the supply for connecting the source of the gas room
Pipeline, is connected with valve on the supply air line, the supply air line is used to connect carbon-dioxide generator, the test chamber
Chamber door is provided with the wall of side；
Pneumatic conveyer, the air inlet of the pneumatic conveyer are communicated in the source of the gas room, and the air outlet of the pneumatic conveyer connects
The test chamber is passed through, wherein, the air outlet of the pneumatic conveyer is communicated in leading on the air holes plate by the test chamber
Air holes；
Carbon dioxide sensor, the carbon dioxide sensor are arranged at the test interior, detect that the test is indoor
Gas concentration lwevel, the certainty of measurement of the carbon dioxide sensor is between 0.001%-0.01%；
Controller, the controller are connected to the carbon dioxide sensor and the valve, and the controller is used
In receiving the signal of the carbon dioxide sensor and control the switch of the valve.
Further, above-mentioned concrete durability experiment device also includes：Heater and refrigerating plant, be respectively used to
Heated and freezed in the casing；Temperature sensor, it is indoor that the temperature sensor is arranged at the test；The control
Device is connected to the heater, the refrigerating plant and the temperature sensor, and the controller is used to receive described
The signal of temperature sensor simultaneously controls the keying of the heater and the refrigerating plant.
Further, above-mentioned concrete durability experiment device also includes：Humidifier, the humidifier is for the case
Increase humidity in vivo；Humidity sensor, it is indoor that the humidity sensor is arranged at the test；The controller is connected to
The humidifier and the humidity sensor, the controller are used for the signal for receiving the humidity sensor and control described adding
The keying of wet device.
Further, above-mentioned concrete durability experiment device also includes：Charger, the charger are arranged at institute
State test indoor, the charger includes load and execution part, and the load and execution part is for the test interior
Test material imposed load.
Specifically, the refrigerating plant includes compressor, condenser, expansion valve and the vaporizer being connected, the evaporation
Device is arranged in the source of the gas room.
Further, heat-insulation layer is coated with around the casing, wherein, the heat-insulation layer is coated with the chamber door.
Specifically, the air vent is multiple through holes of the equidistant arrangement on the air holes plate.
Specifically, the valve is electromagnetic valve；The pneumatic conveyer is circulating fan.
Specifically, the chamber door is supportted for gas is connected between the side wall of tilt-up door, the chamber door and the casing, when described
When chamber door is in open mode, the gas support supports the chamber door.
Specifically, the bottom of the casing is provided with girder structures.
By the air holes with air vent in a kind of concrete durability experiment device provided in an embodiment of the present invention, its casing
Plate is divided into source of the gas room and test chamber, is connected by air vent between source of the gas room and test chamber, by being connected to confession in source of the gas room
The carbon-dioxide generator of air pipe is filled with carbon dioxide, by pneumatic conveyer from source of the gas room air-breathing, and blows to test
Room, so that the source of the gas room carbon dioxide indoor with test quickly circulates, so that what carbon dioxide sensor was quickly measured
Concentration value is tests carbon dioxide concentration value throughout the room, and carbon dioxide sensor adopts higher certainty of measurement,
Therefore the gas concentration lwevel in carbon dioxide sensor experiment with measuring room is not only quick but also accurate, and controller is passed according to carbon dioxide
Whether the gas concentration lwevel that sensor is measured reaches the switch that required value carrys out control valve, and then realizes in precise control casing
Density of carbon dioxide gas, improves the validity and reliability of result of the test.
Description of the drawings
Fig. 1 is a kind of structural representation of concrete durability experiment device provided in an embodiment of the present invention；
Fig. 2 is the A-A sectional views in Fig. 1；
Top views of the Fig. 3 for the concrete durability experiment device of Fig. 1；
Fig. 4 is a kind of composition frame chart of concrete durability experiment device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiment of the present invention provides a kind of concrete durability experiment device, including：Casing 1, in casing 1
Source of the gas room 11 and test chamber 12 are separated into by air holes plate 2, with reference to Fig. 2, connection source of the gas room 11 and examination on air holes plate 2, is provided with
The air vent 21 of room 12 is tested, with reference to Fig. 3, the supply air line 13 of connection source of the gas room 11, supply on the side wall of source of the gas room 11, is provided with
Valve 14 is connected with pipeline 13, supply air line 13 is used to connect carbon-dioxide generator 3, is provided with the side wall of test chamber 12
For being put into the chamber door 15 of test material；Pneumatic conveyer 4, the air inlet of pneumatic conveyer 4 are communicated in source of the gas room 11, pneumatic conveyer 4
Air outlet be communicated in test chamber 12, wherein, the air outlet of pneumatic conveyer 4 is communicated in logical on air holes plate 2 by test chamber 12
Air holes 21；Carbon dioxide sensor 51, carbon dioxide sensor 51 are arranged in test chamber 12, the dioxy in detected test room 12
Change concentration of carbon, the certainty of measurement of carbon dioxide sensor 51 is between 0.001%-0.01%；Controller 6, referring to Fig. 4, control
Device 6 is connected to carbon dioxide sensor 51 and valve 14, and controller 6 is used to receiving the signal of carbon dioxide sensor 51 simultaneously
The switch of control valve 14.
The embodiment of the present invention is specifically described below by the operation principle of concrete durability experiment device.Referring to
Carbon-dioxide generator 3, before the carbonization test for carrying out concrete material 8, is connected to supply air line 13, now by Fig. 1 to Fig. 4
Valve 14 is closed, and the carbon dioxide in carbon-dioxide generator 3 is introduced into concrete durability experiment device
Casing 1 in, concrete material 8 is positioned in the test chamber 12 of casing, usual concrete material 8 be square column type, stand on
In test chamber 12, and evenly distributed placement, chamber door 15 is then shut, experimental stage is initially entered：Open on supply air line 13
Valve 14, make carbon dioxide in carbon-dioxide generator 3 that the source of the gas room 11 of casing 1 is entered by supply air line 13,
Start pneumatic conveyer 4, then the gas in the air inlet suction source of the gas room 11 of pneumatic conveyer 4 be blown into test chamber by air outlet
In 12, meanwhile, the gas in test chamber 12 is flow in source of the gas room 11 further through the air vent 21 of air holes plate 2, then by pneumatic conveyer 4
Air inlet suction, such iterative cycles make the gas Rapid Circulation in casing 1, so that two in test chamber 12
Carbon oxide gas concentration homogeneity is good, so that the carbon dioxide sensor 51 in test chamber 12 can be quickly detected test chamber 12
Interior carbon dioxide concentration value everywhere, when the carbon dioxide concentration value that carbon dioxide sensor 51 is detected reaches required value,
6 control valve of controller is closed, and stops into the source of the gas room 11 of casing 1 feeding carbon dioxide, and pneumatic conveyer 4 keeps work
Make, continue to make the gas circulation in casing 1, make carbon dioxide be fully contacted the concrete material in casing 1 everywhere
8 so that test effect is good；When carbon dioxide sensor 51 detects carbon dioxide concentration value less than required value, controller 6 is controlled
Valve processed 14 is opened, and carbon dioxide, such iterative cycles, until off-test are fed into the source of the gas room 11 of casing 1.
Wherein, sealing gasket can be provided between 1 side wall of chamber door 15 and casing, to ensure when chamber door 15 is closed in casing 1
Gas will not leak, in order to the carbon dioxide gas content in preferably control casing 1.In the present embodiment, adopt
51 certainty of measurement of carbon dioxide sensor it is higher, coordinate 4 Rapid Circulation carbon dioxide of pneumatic conveyer effect, Neng Goushi
Gas concentration lwevel in existing 51 experiment with measuring room 12 of carbon dioxide sensor is fast and accurate.
By the air holes with air vent in a kind of concrete durability experiment device provided in an embodiment of the present invention, its casing
Plate is divided into source of the gas room and test chamber, is connected by air vent between source of the gas room and test chamber, by being connected to confession in source of the gas room
The carbon-dioxide generator of air pipe is filled with carbon dioxide, by pneumatic conveyer from source of the gas room air-breathing, and blows to test
Room, so that the source of the gas room carbon dioxide indoor with test quickly circulates, so that what carbon dioxide sensor was quickly measured
Concentration value is tests carbon dioxide concentration value throughout the room, and carbon dioxide sensor adopts higher certainty of measurement,
Therefore the gas concentration lwevel in carbon dioxide sensor experiment with measuring room is not only quick but also accurate, and controller is passed according to carbon dioxide
Whether the gas concentration lwevel that sensor is measured reaches the switch that required value carrys out control valve, and then realizes in precise control casing
Density of carbon dioxide gas, improves the validity and reliability of result of the test.
The concrete durability experiment device of the embodiment of the present invention can also have such as in addition to it can carry out carbonization test
Lower function：
Above-mentioned concrete durability experiment device also has temperature controlling function, wherein, referring to Fig. 4, above-mentioned concrete durability
Assay device also includes：Heater 71 and refrigerating plant 72, are respectively used to being heated in casing and freezed；Temperature sensing
Device 52, with reference to Fig. 3, temperature sensor 52 is arranged in test chamber 12；Controller 6 is connected to heater 71, refrigeration dress
72 and temperature sensor 52 are put, controller 6 is used for the signal for receiving temperature sensor 52 and controls heater 71 and refrigeration dress
Put 72 keying.Generally the indoor temperature of test be set in 20 DEG C it is more suitable, naturally it is also possible to set other temperature as needed
Angle value, when the temperature in temperature sensor 52 detects test chamber 12 is less than design temperature, controller 6 starts heater
71, raise case body temperature, due to making the temperature in gas circulation, therefore casing everywhere by pneumatic conveyer 4 in casing
Degree is at equilibrium quickly, when the temperature in temperature sensor 52 detects test chamber 12 is higher than design temperature, controller 6
Start refrigerating plant 72, reduce the temperature in casing, in the same manner due to the gas circulation in casing, therefore in casing everywhere
Temperature it is at equilibrium quickly, therefore the temperature control of concrete durability experiment device is quick and accurately.
Above-mentioned concrete durability experiment device also has moisture control function, wherein, referring to Fig. 4, above-mentioned concrete is resistance to
Property assay device also includes long：Humidifier 73, humidifier 73 is for increasing humidity in casing；Humidity sensor 53, with reference to figure
3, humidity sensor 53 is arranged in test chamber 12；Controller 6 is connected to humidifier 73 and humidity sensor 53, controller
6 are used to receive the signal of humidity sensor 53 and control the keying of humidifier 73.When humidity sensor 53 detects test chamber 12
When interior humidity is less than the humidity value for setting, controller 6 starts humidifier 73, improves the humidity in casing, is sent by wind and set
Standby 4 make the gas circulation in casing, so that gas more dry in casing is humidified quickly, until humidity sensor 53 is examined
The humidity measured in test chamber 12 reaches setting value.And work as humidity that humidity sensor 53 detected in test chamber 12 higher than setting
Humidity value when, needs dehumidified, concrete mode is：Start refrigerating plant 72, make dampness condensation in test chamber 12 to drop
Low humidity, now the refrigeration in test chamber 12 temperature in test chamber 12 can be caused to reduce, then start heater 71 guaranteeing
Temperature requirement in test chamber 12, coordinates pneumatic conveyer 4 to make the gas Rapid Circulation in casing circulate, makes in test chamber 12 everywhere
The humidity and temperature equalization of gas, beneficial to the humidity and temperature that quickly and accurately regulate and control in test chamber 12.
Above-mentioned concrete durability experiment device also has loading function, wherein, referring to Fig. 4, above-mentioned concrete durability
Assay device also includes：Charger 74, charger 74 are arranged in test chamber 12, and charger 74 includes load and execution portion
Part 741, load and execution part 741 is for the test material imposed load in test chamber 12.Wherein, load and execution part 741
Can be cylinder, electric cylinder or other drive mechanisms etc., with reference to Fig. 1 and Fig. 3, when load and execution part 741 is to test chamber 12
When interior concrete material 8 carries out load test, the load and execution part 741 of start-up loading device 74 makes load and execution part
741 tops for corresponding to concrete material, and uniform load is applied to concrete material downwards, it is to realize concrete durability
The loading function of assay device has enough spaces, then the test chamber 12 of concrete durability experiment device may be designed as horizontal
Rectangular shape, the concrete material 8 of multiple square column types stand on test interior, and evenly distributed, then load and execution part
741 can be designed as multiple, the concrete material 8 of each one square column type of correspondence of load and execution part 741 accordingly, can control every
All of concrete material in test chamber 12 8 is carried out individual load and execution part 741 while imposed load, concrete durability examination
Experiment device can realize the development test for carrying out load with being carbonized under synergism.
In sum, concrete durability experiment device can concrete material be carried out being carbonized, drying and watering cycle and load
Endurance quality test under coupling, and the temperature around concrete material is controlled, more fully simulate coagulation
Soil is subject to the endurance quality under the effect of multiple damages factor.
Compressor 721 that as shown in figure 4, with regard to above-mentioned refrigerating plant 72, specifically, refrigerating plant 72 includes being connected,
Condenser 722, expansion valve 723 and vaporizer 724, with reference to Fig. 3, vaporizer 724 is arranged in source of the gas room 11.Wherein, compressor,
Condenser and expansion valve are may be provided at outside casing, and vaporizer 724 is arranged in source of the gas room 11, compressor 721, condenser 722,
Expansion valve 723 and vaporizer 724 constitute cooling cycle system, and specific work process is：Compressor 721 is sucked from vaporizer 724
The gas of lower pressure out, compressor 721 are promoted to gases at high pressure after low-pressure gas is compressed, and provide power for refrigeration,
Gases at high pressure enter condenser 722, be condensed into the higher liquid of pressure, make high pressure liquid by expansion valve 723 in condenser 722
After body segment stream becomes low pressure liquid, heat absorption in sending into vaporizer 724 is evaporated and becomes the relatively low steam of pressure, so as to complete refrigeration
Circulation.
As shown in Fig. 2 in order to avoid the temperature cooling in casing 1 is too fast, being then coated with heat-insulation layer around casing 1
16, wherein, heat-insulation layer (not shown) is coated with chamber door.So advantageously in control casing 1 in temperature, casing 1
Interior temperature change is less, contributes to reducing the initiation culture of heater and refrigerating plant, energy saving.
Specifically, in Fig. 2, air vent 21 is multiple through holes of the equidistant arrangement on air holes plate 2.Air vent 21 is to make test
Indoor gas flows into the hole in source of the gas room, is designed as multiple evenly distributed holes, compares and be designed as a larger through hole, energy
Enough increase certain circulating resistance, the situation that the indoor gas of test is just flowed back in source of the gas room is just blown into reduce pneumatic conveyer,
Whole test interior is blown to enable pneumatic conveyer to be blown into the indoor gas of test.
Specifically, in Fig. 3, valve 14 is electromagnetic valve；Pneumatic conveyer 4 is circulating fan.During the switch of electromagnetic valve during action
Between it is short, be capable of achieving to open soon and quick closing valve, can preferably control carbon-dioxide generator 3 and send into the carbon dioxide gass in source of the gas room 11
The scale of construction.Pneumatic conveyer 4 can adopt air pump or circulating fan, but air pump can store the compressed gas of certain pressure when starting
Body, is then discharged out, and continues compressed gas when the minimum setting value of pressure is emptied to, it is impossible to which constant pressure exports gas, and circulated air
Machine can persistently export the gas of constant pressure, possess long-play ability, pressure adjustable, advantageously in being smoothed out examination
Test.
Specifically, in Fig. 1, chamber door 15 works as case for gas support 151 is connected between the side wall of tilt-up door, chamber door 15 and casing 1
When door 15 is in open mode, gas support 151 supports chamber door 15.Wherein, gas support is called gas spring, when chamber door 15 is opened, gas
Support 151 supports chamber door 15, chamber door 15 is not automatically switched off, and when needing to close chamber door 15, need to overcome the support of gas support 151
Power, closes chamber door 15.
Specifically, in Fig. 1, the bottom of casing 1 is provided with girder structures 17.So that casing 1 is more consolidated, in casing 1
Can the larger load of load-bearing, it is ensured that casing 1 is unlikely to deform.
In accordance with the above, concrete durability experiment device provided in an embodiment of the present invention, by pneumatic conveyer from gas
Source chamber air-breathing, and blow to test chamber, so that the source of the gas room carbon dioxide indoor with test quickly circulates, so that dioxy
The concentration value that change carbon sensor is quickly measured is tests carbon dioxide concentration value throughout the room, and carbon dioxide sensor
It was not only quick but also accurate using the gas concentration lwevel in higher certainty of measurement, therefore carbon dioxide sensor experiment with measuring room,
Whether controller reaches required value come the switch of control valve according to the gas concentration lwevel that carbon dioxide sensor is measured, and then
The density of carbon dioxide gas in precise control casing is realized, the validity and reliability of result of the test is improved.
The above, is only presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention, according to
According to any simple modification, equivalent variations and modification that the technical spirit of the present invention is made to above example, this is still fallen within
In the range of bright technical scheme.
Claims (10)
1. a kind of concrete durability experiment device, it is characterised in that include：
Source of the gas room and test chamber are separated into by air holes plate in casing, the casing, connection institute on the air holes plate, is provided with
The air vent of source of the gas room and the test chamber is stated, the air supply pipe for connecting the source of the gas room on the side wall of the source of the gas room, is provided with
Road, is connected with valve on the supply air line, the supply air line is used to connect carbon-dioxide generator, the side of the test chamber
Chamber door is provided with wall；
Pneumatic conveyer, the air inlet of the pneumatic conveyer are communicated in the source of the gas room, and the air outlet of the pneumatic conveyer is communicated in
The test chamber, wherein, the air outlet of the pneumatic conveyer is communicated in the air vent on the air holes plate by the test chamber；
Carbon dioxide sensor, the carbon dioxide sensor are arranged at the test interior, detect the two of the test interior
Oxidation concentration of carbon, the certainty of measurement of the carbon dioxide sensor is between 0.001%-0.01%；
Controller, the controller are connected to the carbon dioxide sensor and the valve, and the controller is used to connect
Receive the signal of the carbon dioxide sensor and control the switch of the valve.
2. concrete durability experiment device according to claim 1, it is characterised in that also include：
Heater and refrigerating plant, are respectively used to be heated and freezed in the casing；
Temperature sensor, it is indoor that the temperature sensor is arranged at the test；
The controller is connected to the heater, the refrigerating plant and the temperature sensor, the controller
For receiving the signal of the temperature sensor and controlling the keying of the heater and the refrigerating plant.
3. concrete durability experiment device according to claim 1, it is characterised in that also include：
Humidifier, the humidifier is for increasing humidity in the casing；
Humidity sensor, it is indoor that the humidity sensor is arranged at the test；
The controller is connected to the humidifier and the humidity sensor, and the controller is used to receive the humidity
The signal of sensor simultaneously controls the keying of the humidifier.
4. concrete durability experiment device as claimed in any of claims 1 to 3, it is characterised in that also include：
Charger, the charger are arranged at the test interior, and the charger includes load and execution part, described
Load and execution part is for the test material imposed load indoor to the test.
5. concrete durability experiment device according to claim 2, it is characterised in that
The refrigerating plant includes compressor, condenser, expansion valve and the vaporizer being connected, and the vaporizer is arranged at described
In source of the gas room.
6. the concrete durability experiment device according to claim 2 or 5, it is characterised in that
Heat-insulation layer is coated with around the casing, wherein, the heat-insulation layer is coated with the chamber door.
7. concrete durability experiment device according to claim 1, it is characterised in that
The air vent is multiple through holes of the equidistant arrangement on the air holes plate.
8. concrete durability experiment device according to claim 1, it is characterised in that
The valve is electromagnetic valve；
The pneumatic conveyer is circulating fan.
9. concrete durability experiment device according to claim 1, it is characterised in that
The chamber door is beaten when the chamber door is in for gas support is connected between the side wall of tilt-up door, the chamber door and the casing
During open state, the gas support supports the chamber door.
10. concrete durability experiment device according to claim 4, it is characterised in that
The bottom of the casing is provided with girder structures.
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| CN201611050398.5A CN106525703A (en) | 2016-11-23 | 2016-11-23 | Concrete durability test device |
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| CN201611050398.5A CN106525703A (en) | 2016-11-23 | 2016-11-23 | Concrete durability test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174348A (en) * | 2019-06-12 | 2019-08-27 | 东北林业大学 | It is a kind of to be carbonized and concrete durability experiment case under alkali collective effect |
| CN110346272A (en) * | 2019-08-12 | 2019-10-18 | 重庆交通大学 | Concrete carbonization drying and watering cycle simulation system and analogy method |
| CN110987760A (en) * | 2019-12-12 | 2020-04-10 | 中国建筑材料科学研究总院有限公司 | Method for detecting gas permeation resistance of material |
| CN112345438A (en) * | 2020-11-11 | 2021-02-09 | 上海大学 | Multifunctional environment simulation test device capable of realizing real-time observation |
| CN112432890A (en) * | 2020-10-17 | 2021-03-02 | 浙江水利水电学院 | Full-range monitoring device for rust cracking behavior of reinforced concrete and installation method thereof |
| CN112504948A (en) * | 2020-10-17 | 2021-03-16 | 浙江水利水电学院 | Concrete durability detection device under load-ion-biological combined action |
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| CN110174348A (en) * | 2019-06-12 | 2019-08-27 | 东北林业大学 | It is a kind of to be carbonized and concrete durability experiment case under alkali collective effect |
| CN110346272A (en) * | 2019-08-12 | 2019-10-18 | 重庆交通大学 | Concrete carbonization drying and watering cycle simulation system and analogy method |
| CN110987760A (en) * | 2019-12-12 | 2020-04-10 | 中国建筑材料科学研究总院有限公司 | Method for detecting gas permeation resistance of material |
| CN112432890A (en) * | 2020-10-17 | 2021-03-02 | 浙江水利水电学院 | Full-range monitoring device for rust cracking behavior of reinforced concrete and installation method thereof |
| CN112504948A (en) * | 2020-10-17 | 2021-03-16 | 浙江水利水电学院 | Concrete durability detection device under load-ion-biological combined action |
| CN112432890B (en) * | 2020-10-17 | 2024-04-30 | 浙江水利水电学院 | Full-course monitoring device for rust cracking behavior of reinforced concrete and mounting method thereof |
| CN112345438A (en) * | 2020-11-11 | 2021-02-09 | 上海大学 | Multifunctional environment simulation test device capable of realizing real-time observation |
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Application publication date: 20170322 |