CN107063987A - The concrete test case and its test method of a kind of consideration plateau effects of air pressure - Google Patents
The concrete test case and its test method of a kind of consideration plateau effects of air pressure Download PDFInfo
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- CN107063987A CN107063987A CN201710283878.4A CN201710283878A CN107063987A CN 107063987 A CN107063987 A CN 107063987A CN 201710283878 A CN201710283878 A CN 201710283878A CN 107063987 A CN107063987 A CN 107063987A
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- G01N17/002—Test chambers
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Abstract
The concrete test case and its test method of a kind of consideration plateau effects of air pressure, the present invention relates to concrete test case.The present invention does not consider the problem of influence of air pressure causes shrinkage cracking in order to solve prior art.The present invention includes：Test casing, cover plate, sealing ring, refrigeration machine, humidifier, dehumidifier, vavuum pump, control panel, refrigerator pipes, heating tube, humiture and pressure transducer, multiple monitoring cameras and warming plate；The top half for testing cabinet wall sets monitoring camera and refrigerator pipes, and refrigerator pipes pass through the refrigeration machine outside connecting tube connection test casing；The latter half for testing cabinet wall sets humiture and pressure transducer and heating tube；Humidifier, dehumidifier and vavuum pump pass through the latter half of connecting tube connection test casing respectively；Test and control panel is set on the outer wall surface setting warming plate of casing, warming plate；Cover plate is set on experiment casing, sealing ring is set between cover plate and experiment casing.The present invention is used for engineering design field.
Description
Technical field
The present invention relates to concrete test case and its test method.
Background technology
In concrete works, materials ' durability problem is not still well solved, and most endurance issues
Cause be problem of Cracking, engineering practice shows：80% concrete structure crack is because concrete material is in environmental change
Under the influence of caused by the non-load stress that produces.At present, construction of the West Region is one of focus of current China's construction, but investigation hair
It is existing, under China's typical low pressure in western most of region, low humidity and big temperature difference climatic environment, the cracking phenomena of concrete
It is even more serious.In concrete works, such as foundation engineering of hydro-structure, large equipment base, skyscraper and large bridge
In, concrete structure can be under the constraints of itself by larger tension, when this stress exceeds the coagulation with age
During native tensile strength, the cracking of concrete can be caused, and this destruction mostly occurs on top layer, if the cracking of concrete is at this moment
It is not protected by, it is possible to develop into crosscutting concern, so that bigger harm can be integrally caused to concrete structure, or even meeting
Cause bigger endurance issues.Comprehensive domestic and international present Research, the environment bar coupled for temperature, humidity and air pressure and three
The research of concrete performance and durability under part is less, but concrete works is indispensable important portion in construction of the West Region
Point, so the performance of concrete structure or building in plateau climate environment is just particularly important with durability.
However, currently for the simulated test case of concrete test, more to control based on temperature and humidity, never to consider
Influence of the plateau air pressure conditions to concrete performance and durability, in the present invention as technical background, has made an experiment
System carrys out the typical climatic environment condition of simulated high altitude, for performance and durability of the research concrete under plateau climate environmental condition
Lay the foundation.
The content of the invention
The invention aims to solve caused by existing concrete test process do not account for the influence of air pressure
The problem of there is easy shrinkage cracking in actual applications in concrete, and propose a kind of concrete examination of consideration plateau effects of air pressure
Tryoff and its test method.
A kind of concrete test case of consideration plateau effects of air pressure includes：
Test casing, cover plate, sealing ring, refrigeration machine, humidifier, dehumidifier, vavuum pump, control panel, refrigerator pipes, heating
Pipe, humiture and pressure transducer, multiple monitoring cameras and warming plate；
The top half for testing cabinet wall sets monitoring camera and refrigerator pipes, and refrigerator pipes pass through connecting tube connection test
Refrigeration machine outside casing；The latter half for testing cabinet wall sets humiture and pressure transducer and heating tube；
Heating tube and refrigerator pipes are placed in experiment cabinet wall.
Humidifier, dehumidifier and vavuum pump pass through the latter half of connecting tube connection test casing respectively；
Test and control panel is set on the outer wall surface setting warming plate of casing, warming plate；Control panel and refrigeration machine plus
Wet machine, dehumidifier, vavuum pump, heating tube, humiture and pressure transducer and the connection of monitoring camera signal；
Cover plate is set on experiment casing, sealing ring is set between cover plate and experiment casing.
The test method of the concrete test case of consideration plateau effects of air pressure a kind of is concretely comprised the following steps：
Step one：The concrete sample for needing to test is put into experiment casing, on pad after sealing ring, sealing ring is covered；
Step 2：Target temperature, target humidity and target air pressure are set on the control panel, make the temperature in chamber body
When degree, humidity and air pressure reach the target temperature, target humidity and target air pressure of setting, start experiment；
When target temperature is less than Current Temperatures, the magnetic valve on refrigeration machine communicating pipe is opened in refrigeration machine work；Remaining electricity
Magnet valve is closed, and humidifier, dehumidifier, heating tube and vavuum pump are stopped；
When target temperature is higher than Current Temperatures, heating tube work；All magnetic valves are turned off, humidifier, dehumidifier, system
Cold, refrigerator pipes and vavuum pump are stopped；
When target humidity is less than current humidity, the magnetic valve on dehumidifier communicating pipe is opened in dehumidifier work；Remaining electricity
Magnet valve is closed, and humidifier, heating tube, refrigeration machine, refrigerator pipes and vavuum pump are stopped；
When target humidity is higher than current humidity, the magnetic valve on humidifier communicating pipe is opened in humidifier work；Remaining electricity
Magnet valve is closed, and dehumidifier, heating tube, refrigeration machine, refrigerator pipes and vavuum pump are stopped；
When target air pressure is higher than current gas pressure, vacuum pump work opens the magnetic valve on vavuum pump communicating pipe；Remaining electricity
Magnet valve is closed, and humidifier, dehumidifier, heating tube, refrigeration machine and refrigerator pipes are stopped；
Step 3：When off-test, open vavuum pump communicating pipe on magnetic valve, refrigerator pipes, heating tube, refrigeration machine,
Humidifier and dehumidifier vavuum pump are stopped, when the air pressure of casing to be tested is equal with atmospheric pressure, open lucite envelope
Capping, takes out experiment test specimen.
A kind of concrete test case of consideration plateau effects of air pressure includes：
First casing, the second casing, vavuum pump, compressor, instrument stan, heater, dehumidifier, humidifier, the first fan,
Second fan, control panel, vacuum meter, cover plate, sealing ring, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connect
Adapter, the 5th connecting tube and Temperature Humidity Sensor；
The side of second casing sets the first casing, and opposite side sets vavuum pump and compressor；First casing passes through first
Connecting tube and the second connecting tube are connected with the second casing；Vavuum pump connects the second casing by the 3rd connecting tube, and compressor passes through
4th connecting tube connects the second casing with the 5th connecting tube；
The inside of second casing sets instrument stan, and instrument stan includes base, the first laminate and the second laminate；On second laminate
Heater is set；The first fan is set close to the side of the first casing on first laminate, dehumidifying is set close to the side of vavuum pump
Machine；The second fan is set close to the side of the first casing on base, dehumidifier is set close to the side of compressor；Second casing
Outer wall surface sets control panel；Control panel and vavuum pump, compressor, heater, dehumidifier, humidifier and temperature and humidity sensing
Device signal is connected；
The outer wall surface of first casing sets and sets Temperature Humidity Sensor on vacuum meter, the inwall of the first casing；
Set respectively on first casing and the second casing between the casing of cover plate first, the second casing and the cover plate each set
Sealing ring is set respectively；
It is equipped with out in first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube and the 5th connecting tube
Close；
First fan is arranged on the position of the first connecting tube of correspondence, and the second fan is arranged on the second connecting tube of correspondence
Position, dehumidifier is arranged on the position of the 3rd connecting tube of correspondence, and humidifier is arranged on the position of the 4th connecting tube of correspondence.
Beneficial effects of the present invention are：
1. this patent designs plateau climate environmental chamber, realize to the temperature, humidity and air pressure of case vivo environment
Automatically control, compensate for it is existing do not consider the blank that air pressure influences on concrete performance, for research plateau climate under the conditions of mix
Solidifying soil nature can lay the foundation.
2. by the shrinkage test carried out in plateau climate environmental chamber, air pressure and humidity are obtained to concrete shrinkage
Affecting laws, for research concrete cracking provides basic theory support.
3. advised by studying influence of the plateau climate condition to property indices such as mechanical performance of concrete, endurance qualities
Rule, it is proposed that the Life Prediction Model of concrete.
The present invention proposes a kind of controlled condition for temperature (0 DEG C -60 DEG C), air pressure (0.5atm-1atm), relative humidity
The plateau climate environmental chamber of (20%-100%), purpose simulates the performance of concrete under plateau climate environmental condition for research
With the property indices such as durability.
Brief description of the drawings
Fig. 1 is the figure of structure 1 of chamber of the present invention；
Fig. 2 is that concrete shrinkage changes with time rule；
Fig. 3 is the figure of structure 2 of chamber of the present invention.
Embodiment
Embodiment one：A kind of concrete test case of consideration plateau as shown in Figure 1 effects of air pressure, the consideration is high
The concrete test case of former effects of air pressure includes：
Test casing 1, cover plate 2, sealing ring 3, refrigeration machine 4, humidifier 5, dehumidifier 6, vavuum pump 7, control panel 8, system
Cold pipe 9, heating tube 10, humiture and pressure transducer 11, multiple monitoring cameras 12 and warming plate 13；
The top half for testing the inwall of casing 1 sets monitoring camera 12 and refrigerator pipes 9, and refrigerator pipes 9 are connected by connecting tube
Refrigeration machine 4 outside logical experiment casing 1；The latter half for testing the inwall of casing 1 sets humiture and pressure transducer 11 and added
Heat pipe 10；
Humidifier 5, dehumidifier 6 and vavuum pump 7 pass through the latter half of connecting tube connection test casing 1 respectively；
The outer wall surface for testing casing 1 sets setting control panel 8 on warming plate 13, warming plate 13；Control panel 8 and system
Cold 4, humidifier 5, dehumidifier 6, vavuum pump 7, heating tube 10, humiture and pressure transducer 11 and the signal of monitoring camera 12
Connection；
Test and cover plate 2 is set on casing 1, sealing ring 3 is set between cover plate 2 and experiment casing 1.
Embodiment two：Present embodiment from unlike embodiment one：The refrigeration machine 4 passes through two
Connecting tube connects refrigerator pipes 9, and humidifier 5 passes through two by the latter half of two connecting tube connection test casings 1, dehumidifier 6
The latter half of individual connecting tube connection test casing 1, the latter half that vavuum pump 7 passes through 1 connecting tube connection test casing 1.
Wherein, humidifier and dehumidifier are needed by two connecting tubes and experiment casing necklace, and it act as so that dry air and wet sky
Gas fast exchange, improves the operating efficiency of humidification and dehumidifying.
Other steps and parameter are identical with embodiment one.
Embodiment three：Present embodiment from unlike embodiment one or two：In the connecting tube
Provided with magnetic valve.
Other steps and parameter are identical with embodiment one or two.
Embodiment four：Unlike one of present embodiment and embodiment one to three：The cover plate 4
Material is glass, dome-shaped, and bottom surface circular diameter is 1m, and a height of 15cm, thickness is 3mm.
Other steps and parameter are identical with one of embodiment one to three.
Embodiment five：Unlike one of present embodiment and embodiment one to four：The casing examination
Tryoff body 1 is stainless steel, is shaped as cylinder, a diameter of 1m, and a height of 150cm, wall thickness is 2mm.
Other steps and parameter are identical with one of embodiment one to four.
Embodiment six：Unlike one of present embodiment and embodiment one to five：The sealing ring 3
Material be silica gel, the internal diameter of sealing gasket 3 is that 0.95m, external diameter are that 1.05m, thickness are 0.5cm.
Other steps and parameter are identical with one of embodiment one to five.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：The multiple prison
It is 6 to control camera 12.
Other steps and parameter are identical with one of embodiment one to six.
Embodiment eight：It is a kind of that following step is included with the test method of plateau climate environmental chamber based on concrete
Suddenly：
Step one：The concrete sample for needing to test is put into experiment casing 1, on pad after sealing ring 14, sealing is covered
Circle 3；
Step 2：Target temperature, target humidity and target air pressure are set on the control panel, make the temperature in experiment casing 1
When degree, humidity and air pressure reach the target temperature, target humidity and target air pressure of setting, start experiment；
When target temperature is less than Current Temperatures, refrigeration machine 4 works, and opens the magnetic valve on the communicating pipe of refrigeration machine 4；Remaining
Closed electromagnetic valve, humidifier 5, dehumidifier 6, heating tube 10 and vavuum pump 7 are stopped；Worked by refrigeration machine 4 and refrigerator pipes 9
Temperature within the barrel is reduced to reach target temperature.
When target temperature is higher than Current Temperatures, heating tube 10 works；All magnetic valves are turned off, humidifier 5, dehumidifier
6th, refrigeration machine 4, refrigerator pipes 9 and vavuum pump 7 are stopped；Improve temperature within the barrel to reach target temperature by the work of heating tube 10
Degree.
When target humidity is less than current humidity, dehumidifier 6 works, and opens the magnetic valve on the communicating pipe of dehumidifier 6；Remaining
Closed electromagnetic valve, humidifier 5, heating tube 10, refrigeration machine 4, refrigerator pipes 9 and vavuum pump 7 are stopped；Worked by dehumidifier 6
Humidity is to reach target humidity in reduction bucket.
When target humidity is higher than current humidity, humidifier 5 works, and opens the magnetic valve on the communicating pipe of humidifier 5；Remaining
Closed electromagnetic valve, dehumidifier 6, heating tube 10, refrigeration machine 4, refrigerator pipes 9 and vavuum pump 7 are stopped；Worked by humidifier 5
Humidity is improved in bucket to reach target humidity.
When target air pressure is higher than current gas pressure, vavuum pump 7 works, and opens the magnetic valve on the communicating pipe of vavuum pump 7；Remaining
Closed electromagnetic valve, humidifier 5, dehumidifier 6, heating tube 10, refrigeration machine 4 and refrigerator pipes 9 are stopped；Worked by vavuum pump 7
Humidity is improved in bucket to reach target humidity.
By with upper type, constituting a temperature controllable, humidity, the environmental control system of air pressure.
The instrument of above all of control temperature, humidity and air pressure, by panel operation system control, magnetic valve is by face
Plate operating system is controlled, and after control environment reaches balance, temperature, humidity and air pressure can be carried out automatically by magnetic valve
Independent control.
Step 3：When off-test, the magnetic valve on the communicating pipe of vavuum pump 7, refrigerator pipes 9, heating tube 10, refrigeration are opened
Machine 4, humidifier 5 and the vavuum pump 7 of dehumidifier 6 are stopped, and when the air pressure of casing 1 to be tested is equal with atmospheric pressure, opening has
The envelope capping of machine glass, takes out experiment test specimen.
Embodiment nine：As shown in figure 3, a kind of concrete test case of consideration plateau effects of air pressure, the consideration
The concrete test case of plateau effects of air pressure includes：
First casing A1, the second casing A2, vavuum pump A3, compressor A4, instrument stan A5, heater A6, dehumidifier A7, plus
Wet machine A8, the first fan A9, the second fan A10, control panel A11, vacuum meter A12, cover plate A13, sealing ring A14, first connect
Adapter A15, the second connecting tube A16, the 3rd connecting tube A17, the 4th connecting tube A18, the 5th connecting tube A19 and Temperature Humidity Sensor
A20；
Second casing A2 side sets the first casing A1, and opposite side sets vavuum pump A3 and compressor A4；First casing
A1 is connected by the first connecting tube A15 and the second connecting tube A16 with the second casing A2；Vavuum pump A3 passes through the 3rd connecting tube A17
The second casing A2 is connected, compressor A4 connects the second casing A2 by the 4th connecting tube A18 and the 5th connecting tube A19；
Second casing A2 inside sets instrument stan A5, instrument stan A5 to include base A5-1, the first laminate A5-2 and second
Laminate A5-3；Heater A6 is set on the second laminate A5-3；On first laminate A5-2 the is set close to the first casing A1 side
One fan A9, dehumidifier A7 is set close to vavuum pump A3 side；On base A5-1 the is set close to the first casing A1 side
Two fan A10, dehumidifier A7 is set close to compressor A4 side；Second casing A2 outer wall surface sets control panel A11；
Control panel A11 and vavuum pump A3, compressor A4, heater A6, dehumidifier A7, humidifier A8 and Temperature Humidity Sensor A20 believe
Number connection；
First casing A1 outer wall surface sets and sets Temperature Humidity Sensor on vacuum meter A12, the first casing A1 inwall
A20；
The first casings of cover plate A13 A1, the second casing A2 are set respectively on the first casing A1 and the second casing A2 with each setting
Sealing ring A14 is set respectively between the cover plate A13 put；
The first connecting tube A15, the second connecting tube A16, the 3rd connecting tube A17, the connections of the 4th connecting tube A18 and the 5th
Switch is equipped with pipe A19；
The first fan A9 is arranged on the first connecting tube A15 of correspondence position, and the second fan A10 is arranged on correspondence second
Connecting tube A16 position, dehumidifier A7 is arranged on the 3rd connecting tube A17 of correspondence position, and humidifier A8 is arranged on correspondence the 4th
Connecting tube A18 position.
The material of the cover plate A13 is glass, dome-shaped, and bottom surface circular diameter is 1m, and a height of 25cm, thickness is 10mm.
The first casing A1 and the second casing A2 is stainless steel, is shaped as cylinder, a diameter of 1m is a height of
1.5cm, wall thickness is 10mm.
The material of the sealing ring A14 is silica gel, and sealing gasket A14 internal diameter is that 0.95m, external diameter are that 1.05m, thickness are
0.5cm。
Test method is：
Step one：The concrete sample for needing to test is put into the first casing A1, on pad after sealing ring 14, cover plate is covered
13, on the second casing A2 pads after sealing ring 14, cover cover plate 13；
Step 2：The switch closed on the 3rd connecting tube A17, opens other switches, temperature, wet is set on the control panel
Degree and air pressure；
When setting temperature to be less than Current Temperatures, two connecting tube A16, the 4th connecting tube A18 and the 5th connecting tube A19 are opened
Online switch, compressor 4 works, the second fan A10 work；
When setting temperature to be higher than Current Temperatures, the switch on the first connecting tube A15, heater A6 work, first are opened
Fan A9 works；
When setting humidity to be less than current humidity, the switch on the first connecting tube A15, dehumidifier A7 work, first are opened
Fan A9 works；When setting humidity to be higher than current humidity, the switch on the second connecting tube A16 is opened, humidifier A8 works, the
Two fan A10 work；
The air pressure of setting is less than current gas pressure, open the first connecting tube A15, the second connecting tube A16 and the 3rd connecting tube
Switch on A17, vavuum pump A3 work, the first fan A9 and the second fan A10 work.
Step 3：During off-test, all switches are opened, the first casing A1, the second casing A2 air pressure and atmospheric pressure is treated
When power is equal, the first casing A1 cover plate A13 is opened, experiment test specimen is taken out.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：
Preparation grade of compressive strength is C30 concrete samples, and its size is 100mm × 100mm × 400mm, concrete matched
Composition and division in a proportion is as shown in table 1.Wherein cement is PO42.5 Portland cements；Flyash is assessed as I grade；Stone is 5mm-20mm
Continuous grading rubble；Sand is river sand, modulus of fineness 2.9；Additive is polycarboxylic acids dehydragent；Water is drinking water.
The concrete match ratio of table 1 when 28 days intensity
Curing in the mold 1 day after concrete sample is cast, altitude environment simulation box is together put into together with contraction instrument after the demoulding
In, shrinkage test is carried out in 6 kinds of different altitude environments that simulation box is controlled, ambient parameter is as shown in table 2, duration of test runs
For 1 year, result of the test was as shown in Figure 2.
The ambient parameter of the shrinkage test of table 2
As seen from Figure 2, for the concrete of same match ratio, the affecting laws of air pressure and humidity to concrete shrinkage
Substantially, air pressure is lower, humidity is lower, and the contraction of concrete is bigger.
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, this area
Technical staff works as can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation should all belong to
The protection domain of appended claims of the invention.
Claims (9)
1. a kind of concrete test case of consideration plateau effects of air pressure, it is characterised in that：Consideration plateau effects of air pressure it is mixed
Solidifying soil chamber includes：Test casing (1), it is cover plate (2), sealing ring (3), refrigeration machine (4), humidifier (5), dehumidifier (6), true
Empty pump (7), control panel (8), refrigerator pipes (9), heating tube (10), humiture and pressure transducer (11), multiple monitoring cameras
Head (12) and warming plate (13)；
The top half for testing casing (1) inwall sets monitoring camera (12) and refrigerator pipes (9), and refrigerator pipes (9) pass through connection
The outside refrigeration machine (4) of pipe connection test casing (1)；The latter half for testing casing (1) inwall sets humiture and pressure to pass
Sensor (11) and heating tube (10)；
Humidifier (5), dehumidifier (6) and vavuum pump (7) pass through the latter half of connecting tube connection test casing (1) respectively；
The outer wall surface for testing casing (1) sets setting control panel (8) on warming plate (13), warming plate (13)；Control panel
(8) with refrigeration machine (4), humidifier (5), dehumidifier (6), vavuum pump (7), heating tube (10), humiture and pressure transducer
(11) connected with monitoring camera (12) signal；
Test and cover plate (2) is set on casing (1), sealing ring (3) is set between cover plate (2) and experiment casing (1).
2. a kind of concrete test case of consideration plateau effects of air pressure according to claim 1, it is characterised in that：The system
Cold (4) connects refrigerator pipes (9) by two connecting tubes, and humidifier (5) passes through under two connecting tube connection test casings (1)
Half part, dehumidifier (6) is by the latter half of two connecting tube connection test casings (1), and vavuum pump (7) passes through 1 connection
The latter half of pipe connection test casing (1).
3. a kind of concrete test case of consideration plateau effects of air pressure according to claim 2, it is characterised in that：The company
Magnetic valve is equipped with adapter.
4. a kind of concrete test case of consideration plateau effects of air pressure according to claim 3, it is characterised in that：The lid
The material of plate (4) is glass, dome-shaped, and bottom surface circular diameter is 1m, a height of 15cm, and bottom surface circle thickness is 3mm.
5. a kind of concrete test case of consideration plateau effects of air pressure according to claim 4, it is characterised in that：The case
Body experiment casing (1) is stainless steel, is shaped as cylinder, a diameter of 1m, and a height of 150cm, wall thickness is 2mm.
6. a kind of concrete test case of consideration plateau effects of air pressure according to claim 5, it is characterised in that：It is described close
The material of seal (3) is silica gel, and the internal diameter of sealing gasket (3) is that 0.95m, external diameter are that 1.05m, thickness are 0.5cm.
7. a kind of concrete test case of consideration plateau effects of air pressure according to claim 6, it is characterised in that：It is described many
Individual monitoring camera (12) is 6.
8. a kind of test method based on chamber described in claim 1, it is characterised in that：A kind of consideration plateau effects of air pressure
The test method of concrete test case comprises the following steps：
Step one：The concrete sample for needing to test is put into experiment casing (1), on pad after sealing ring (3), cover plate is covered
(2)；
Step 2：Target temperature, target humidity and target air pressure are set on the control panel, make temperature in experiment casing (1),
When humidity and air pressure reach the target temperature, target humidity and target air pressure of setting, start experiment；
When target temperature is less than Current Temperatures, the magnetic valve on refrigeration machine (4) communicating pipe is opened in refrigeration machine (4) work；Remaining
Closed electromagnetic valve, humidifier (5), dehumidifier (6), heating tube (10) and vavuum pump (7) are stopped；
When target temperature is higher than Current Temperatures, heating tube (10) work；All magnetic valves are turned off, humidifier (5), dehumidifier
(6), refrigeration machine (4), refrigerator pipes (9) and vavuum pump (7) are stopped；
When target humidity is less than current humidity, the magnetic valve on dehumidifier (6) communicating pipe is opened in dehumidifier (6) work；Remaining
Closed electromagnetic valve, humidifier (5), heating tube (10), refrigeration machine (4), refrigerator pipes (9) and vavuum pump (7) are stopped；
When target humidity is higher than current humidity, the magnetic valve on humidifier (5) communicating pipe is opened in humidifier (5) work；Remaining
Closed electromagnetic valve, dehumidifier (6), heating tube (10), refrigeration machine (4), refrigerator pipes (9) and vavuum pump (7) are stopped；
When target air pressure is less than current gas pressure, the magnetic valve on vavuum pump (7) communicating pipe is opened in vavuum pump (7) work；Remaining
Closed electromagnetic valve, humidifier (5), dehumidifier (6), heating tube (10), refrigeration machine (4) and refrigerator pipes (9) are stopped；
Step 3：When off-test, the magnetic valve on vavuum pump (7) communicating pipe, refrigerator pipes (9), heating tube (10), system are opened
Cold (4), humidifier (5) and dehumidifier (6) vavuum pump (7) are stopped, the air pressure and atmospheric pressure of casing (1) to be tested
When equal, lucite envelope capping is opened, experiment test specimen is taken out.
9. a kind of concrete test case of consideration plateau effects of air pressure, it is characterised in that：Consideration plateau effects of air pressure it is mixed
Solidifying soil chamber includes：First casing (A1), the second casing (A2), vavuum pump (A3), compressor (A4), instrument stan (A5), plus
Hot device (A6), dehumidifier (A7), humidifier (A8), the first fan (A9), the second fan (A10), control panel (A11), vacuum
Table (A12), cover plate (A13), sealing ring (A14), the first connecting tube (A15), the second connecting tube (A16), the 3rd connecting tube
(A17), the 4th connecting tube (A18), the 5th connecting tube (A19) and Temperature Humidity Sensor (A20)；
The side of second casing (A2) sets the first casing (A1), and opposite side sets vavuum pump (A3) and compressor (A4)；First
Casing (A1) is connected by the first connecting tube (A15) and the second connecting tube (A16) with the second casing (A2)；Vavuum pump (A3) passes through
3rd connecting tube (A17) connects the second casing (A2), and compressor (A4) passes through the 4th connecting tube (A18) and the 5th connecting tube
(A19) the second casing of connection (A2)；
The inside of second casing (A2) sets instrument stan (A5), and instrument stan (A5) includes base (A5-1), the first laminate (A5-2)
With the second laminate (A5-3)；Heater (A6) is set on the second laminate (A5-3)；Close to the first casing on first laminate (A5-2)
(A1) side sets the first fan (A9), and dehumidifier (A7) is set close to the side of vavuum pump (A3)；Leaned on base (A5-1)
The side of nearly first casing (A1) sets the second fan (A10), and dehumidifier (A7) is set close to the side of compressor (A4)；Second
The outer wall surface of casing (A2) sets control panel (A11)；Control panel (A11) and vavuum pump (A3), compressor (A4), heating
Device (A6), dehumidifier (A7), humidifier (A8) and the connection of Temperature Humidity Sensor (A20) signal；
The outer wall surface of first casing (A1) sets and sets temperature and humidity sensing on vacuum meter (A12), the inwall of the first casing (A1)
Device (A20)；
Set respectively on first casing (A1) and the second casing (A2) the first casing of cover plate (A13) (A1), the second casing (A2) with
Sealing ring (A14) is set respectively between the cover plate (A13) each set；
First connecting tube (A15), the second connecting tube (A16), the 3rd connecting tube (A17), the 4th connecting tube (A18) and the 5th
Switch is equipped with connecting tube (A19)；
First fan (A9) is arranged on the position of the first connecting tube of correspondence (A15), and the second fan (A10) is arranged on correspondence the
The position of two connecting tubes (A16), dehumidifier (A7) is arranged on the position of the 3rd connecting tube (A17) of correspondence, and humidifier (A8) is set
In the position of the 4th connecting tube (A18) of correspondence.
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| CN201710283878.4A CN107063987B (en) | 2017-04-26 | 2017-04-26 | A kind of concrete test case and its test method considering plateau effects of air pressure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655927A (en) * | 2017-10-27 | 2018-02-02 | 天津建仪机械设备检测有限公司 | Concrete multi-parameter detection device |
| CN108152106A (en) * | 2018-03-07 | 2018-06-12 | 山西大学 | A kind of device for automatically controlling concrete sample moisture |
| CN109187319A (en) * | 2018-08-24 | 2019-01-11 | 中国船舶重工集团公司第七二五研究所 | A kind of simulation low temperature multiple-effect distillation sea water desalting Service Environment experimental rig and method |
| CN110095147A (en) * | 2019-03-27 | 2019-08-06 | 长安大学 | A kind of environmental test system and its working method of Multi-parameter coupling |
| CN110196222A (en) * | 2019-05-29 | 2019-09-03 | 中交天津港湾工程研究院有限公司 | A kind of concrete tide environmental test chamber and test method |
| CN110281385A (en) * | 2019-06-24 | 2019-09-27 | 交通运输部公路科学研究所 | The automatic concrete mixer and method used in a kind of environmental cabinet |
| CN110631637A (en) * | 2019-10-11 | 2019-12-31 | 江苏海洋大学 | Data acquisition equipment and data processing method |
| DE102018122177A1 (en) * | 2018-09-11 | 2020-03-12 | Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. | Method and device for determining the swelling and / or shrinking behavior of solids |
| 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 | Concrete test device and method considering influence of plateau strong radiation |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655927A (en) * | 2017-10-27 | 2018-02-02 | 天津建仪机械设备检测有限公司 | Concrete multi-parameter detection device |
| CN108152106A (en) * | 2018-03-07 | 2018-06-12 | 山西大学 | A kind of device for automatically controlling concrete sample moisture |
| CN109187319A (en) * | 2018-08-24 | 2019-01-11 | 中国船舶重工集团公司第七二五研究所 | A kind of simulation low temperature multiple-effect distillation sea water desalting Service Environment experimental rig and method |
| CN109187319B (en) * | 2018-08-24 | 2021-10-01 | 中国船舶重工集团公司第七二五研究所 | Test device and method for simulating low-temperature multi-effect distilled seawater desalination service environment |
| DE102018122177B4 (en) | 2018-09-11 | 2022-12-22 | Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. | Process and device for determining the swelling and/or shrinkage behavior of solid bodies |
| DE102018122177A1 (en) * | 2018-09-11 | 2020-03-12 | Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. | Method and device for determining the swelling and / or shrinking behavior of solids |
| CN110095147A (en) * | 2019-03-27 | 2019-08-06 | 长安大学 | A kind of environmental test system and its working method of Multi-parameter coupling |
| CN110196222A (en) * | 2019-05-29 | 2019-09-03 | 中交天津港湾工程研究院有限公司 | A kind of concrete tide environmental test chamber and test method |
| CN110281385A (en) * | 2019-06-24 | 2019-09-27 | 交通运输部公路科学研究所 | The automatic concrete mixer and method used in a kind of environmental cabinet |
| CN110631637A (en) * | 2019-10-11 | 2019-12-31 | 江苏海洋大学 | Data acquisition equipment and data processing method |
| CN110631637B (en) * | 2019-10-11 | 2021-11-05 | 江苏海洋大学 | Data acquisition equipment and data processing method |
| 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 | Concrete test device and method considering influence of plateau strong radiation |
| 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 |
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