CN109163971A - Rock inundation-dehydration Cycling Mechanics experimental system and its experimental method - Google Patents
Rock inundation-dehydration Cycling Mechanics experimental system and its experimental method Download PDFInfo
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- CN109163971A CN109163971A CN201810775175.8A CN201810775175A CN109163971A CN 109163971 A CN109163971 A CN 109163971A CN 201810775175 A CN201810775175 A CN 201810775175A CN 109163971 A CN109163971 A CN 109163971A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/0242—With circulation of a fluid
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Abstract
The invention discloses a kind of rock inundation-dehydration Cycling Mechanics experimental systems, pass through rubber seal rings for seal between water circulation cavity and sealing cover, sealing cover center is equipped with seal pipe, two layers of sealing ring is equipped in seal pipe, the rock sample pressurized part sealing of Rock Under Uniaxial Compression pressurizing device is placed in water torus body, temperature-humidity detector is additionally provided in water torus body, rock sample strain monitoring device is provided on the rock sample of rock sample pressurized part, opening is provided on water circulation cavity, respectively signal output, gas outlet, water outlet and water inlet/port, the data line of temperature-humidity detector and rock sample strain monitoring device is drawn by signal output, water outlet is connected to by pipeline with water storage device, water inlet/port is connected to by pipeline with water storage and caisson.The present invention also discloses the experimental methods using the system.Inundation-dehydration that the present invention realizes rock sample circulate under metastable environment carry out and inundation-dehydration circulation it is synchronous with loading procedure carry out, improve the efficiency and accuracy of test.
Description
Technical field
The present invention relates to a kind of rock inundation-dehydration Cycling Mechanics experimental system and its experimental methods.
Background technique
Mechanical property research of the rock under inundation-desiccation is the key that research library dam and waterside slope stability, rock
The accuracy that stone inundation-dehydration experiment of machanics obtains data has great influence to follow-up study.However, traditional research is often
Inundation-dehydration process and the mechanical property experiment of rock are separated, experimentation is as follows: being 1. processed into rock sample to be measured
The rock sample of target size guarantees rock sample surfacing, determines inundation-dehydration cycle-index, specific method be by rock sample in water
It is soaked for a period of time, carries out natural air drying or baking oven drying later, repeat above step until reaching target circulation number；2. will
Rock sample strain monitoring device is attached to rock sample surface to be seen, using uniaxial compression device, the rock sample after inundation-dehydration is carried out single
Axis applied voltage test obtains the related data of rock sample；3. comparative study difference inundation-dehydration cycle-index rock sample experimental data,
It draws a conclusion.The shortcomings that experimentation is rock sample inundation-dehydration and the separated progress of uniaxial compression, is needed every time by rock
Uniaxial compression device, which is placed into, after sample inundation-dehydration carries out pressurization destruction.Rock sample inundation-dehydration process period is long, will be by
Many factors influence, such as temperature, humidity, human factor, lead to experimental result there are large error, directly affect research into
Exhibition.And the experiment is tested to carry out inundation-dehydration of more rock sample, and process is cumbersome, wastes unnecessary resource.
In conclusion rock inundation-dehydration experiment of machanics is badly in need of developing a kind of rock inundation-dehydration circulation of highly effective
Experiment of machanics system.
Chinese patent application 201310553277.2 discloses a kind of damage of rock and penetration test method, step 1: will
Rock sample is placed in the container of sealing, and the rock sample in measuring device and container is cooperatively connected；Rock sample is applied
Add certain pressure, and records pressure data；Step 2: adjust experimental temperature, to water flow is injected in rock sample, then after
It is continuous that pressure measurement pressure value and osmotic pressure numerical value are applied to rock sample；Step 3: detecting ultrasound using ultrasonic detection device
Wave propagation time calculates its spread speed；Step 4: according to the above-mentioned pressure data values detected, osmolarity data, ultrasonic wave
Value of wave speed is studied and is calculated to the damage of rock and permeability.The test method does not have water circulation system, in testing experiment
It when filling the water in the process, need to manually carry out, this efficiency that will lead to test reduces, and the injecting process is difficult to control every time, is increased
Unnecessary variable is introduced during test, test result accuracy is difficult to ensure.
Chinese patent application 201310554863.9 discloses rock under a kind of temperature stress circumferential direction seepage flow coupling and damages
Wound and Permeation Test System and test method, system includes frost heave force test device and pervasion test device；Pervasion test device
Including load pressure chamber, pressure loading device, osmotic pressure pressurization and the measuring device of rock sample to be measured, water bath heating device,
Ultrasound injury test device and data acquisition device.It is measured after carrying out multigelation experiment to rock using frost heave force test device
The frost-heave force of the rock sample changes, then rock is placed in pressure chamber, is applied using pressure loading device to rock sample
Pressure, different temperatures working fluid and pressure effect under, realize rock permeability coefficient k measurement and ultrasonic velocity pass
The measurement of t between sowing time, thus the permeability and degree of impairment of study of rocks.The patent of invention by rock sample outside test macro into
Row Frozen-thawed cycled, then pressure test is carried out, it is disadvantageous in that the ess-strain that can not obtain rock during Frozen-thawed cycled
And degree of impairment, this is unfavorable for the research to the Damage Evolution of study of rocks.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of rock inundation-dehydration Cycling Mechanics
Experimental system and its experimental method.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of rock inundation-dehydration Cycling Mechanics experimental system, including water recycle cavity, and water circulation cavity upper end passes through sealing element
It is sealed and installed with sealing cover, sealing cover center is equipped with seal pipe, is equipped with two layers of sealing ring in seal pipe, Rock Under Uniaxial Compression is pressurizeed
The rock sample pressurized part sealing of device is placed in water torus body, is additionally provided with temperature-humidity detector in water torus body,
Rock sample strain monitoring device is provided on the rock sample of rock sample pressurized part, water, which recycles, is arranged opening on cavity, respectively signal exports
Mouth, water outlet and water inlet/port, wherein the data line of temperature-humidity detector and rock sample strain monitoring device passes through signal and exports
Mouth is drawn, and water outlet is connected to by pipeline with external water recovery apparatus, and water inlet/port is connected by pipeline and water storage and caisson
It is logical；It can control gas water content in water torus body by disengaging gas water mouth, temperature-humidity detector is for monitoring cavity temperature
And humidity, strain monitoring instrument export rock sample strain data.
The water circulation cavity is cylinder, and cylinder side is arranged in signal output therein, and gas outlet is set to close
In capping, water outlet is set to the bottom of cylinder, and water inlet/port is set to the close bottom position of cylinder another side.
The sealing element is rubber seal.
It is provided with gas outlet switch on the gas outlet, and is communicated with external atmosphere.
Water outlet switch is provided on the pipeline that the water outlet is connected with external water storage device.
Pressure gauge is provided on the pipeline that the water inlet/port is connected with water storage and caisson and point to switch, point to
The port A, B of switch is connected with water storage device and caisson respectively by pipeline, and pipeline switching is provided on the depot siding
Device.
The water storage device and caisson are independent water storage tank and gas storage tanks, and the outside of the two is provided with
Pressurizing device.
The pipeline is rubber tube.
It is a kind of based on rock inundation-dehydration Cycling Mechanics experimental system experimental method, comprising the following steps:
(1) rock sample is processed
Rock sample to be measured is processed into cylindrical sample, guarantees the surfacing of rock sample；
(2) rock sample loads
Rock sample is placed between the upper and lower pressure plate of Rock Under Uniaxial Compression pressurizing device, and rock sample strain monitoring device is attached to wait see
The rock sample surface examined；By water circulation cavity closing, starts uniaxial compression device, control compression rate, pressure is risen into target pressure
Stop after power；
(3) rock sample inundation
Gas outlet switch is opened, water outlet switch is closed, is opened point to switch to the port A, under pressurizing device effect, water is deposited
Water in storage tank can be flowed into water torus body through water inlet/port by connecting pipeline, be reached predetermined water level and flood rock sample,
Rock sample inundation can be completed for a period of time to rock sample inundation；
(4) rock sample dehydration
It will divide and open to switch to the port B, and simultaneously close off gas outlet switch, the gas of gas storage tanks is acted in pressurizing device
Under, enter water circulation cavity through water inlet/port, opens water outlet switch, increase with air pressure in dampening torus, waste water can pass through
Water outlet is pressed into water storage device, and water outlet switch is closed after water in water torus body is properly drained only, is lost naturally to rock sample
Water is for a period of time；
(5) rock sample inundation-dehydration circulation
Step (3), (4) are repeated, inundation-dehydration circulation of the rock sample under constant pressure effect is realized, reaches target circulation number；
(6) collator
After the completion of to be tested, after the intracorporal water of water torus is excluded completely, then unloading pressure, uniaxial compression device is closed, is taken
Rock sample after testing out, cleans out water torus；
(7) test data arranges
The test monitoring data being stored in computer are arranged and analyzed.
Rock Under Uniaxial Compression pressurizing device in the present invention is existing equipment, and details are not described herein.
Experimental system of the present invention can generally be divided into water circulation cavity and vapor circulation system.It is the present apparatus that water, which recycles cavity,
Main part, be realize rock inundation-dehydration circulation and loading synchronous core apparatus.It is whole by sealing cover that water recycles cavity
Body seals, on its housing hole, the outlet namely for the signal output of output signal, positioned at sealing cover center
Mouthful, intracavitary water is discharged to the water outlet of waste water water storage device, the water inlet/port connecting with vapor circulation system.Water torus
Top is uniaxial compression device, carries out uniaxial compression to rock sample.
Vapor circulation system mainly includes water storage tank, gas storage tanks, waste water water storage device and connecting pipeline and opens
The parts such as pass, pressure gauge.Connecting pipeline uses rubber tube, to be tightly connected when connecting with water storage tank and gas storage tanks, no
It leaks air, drainage.Vapor circulation system is realized to rock sample inundation-dehydration circulation pith.In order to reduce pair
The opening of water torus guarantees its globality as far as possible, will water inlet and air inlet be combined into one, technical measures be using point to
Switch come control water, gas enters water torus.Water store tank and gas storage tanks are connected to point by pipeline to switch, point to opening
Close control water, gas passes through.The port A is opened, then can only pass through water in pipe；If opening the port B, in pipe can only by gas,
Thereby realize the single-pass of water, gas, can experimental evidence need to carry out selection control.It is followed due to carrying out aqueous vapor using pressurizing device
Ring, therefore pressure gauge is installed in water torus water/gas mouth connecting pipeline, the pressure in connecting pipeline is supervised in real time
It surveys, the control to water-gas circulation may be implemented, guarantee the highly effective and safe of the test.For vapor circulation system generate exhaust gas,
Due to not being contaminated, can be directly discharged by gas outlet.The waste water of generation, the water storage device by recycling waste water are returned
Receipts processing.Waste water water storage device is connect also by connecting tube with water outlet, is equally tightly connected using rubber tube.
Emphasis of the present invention solves the disadvantage that rock inundation-dehydration mechanical test exists, by the way that water torus is arranged by rock
Stone inundation-dehydration is synchronous with uniaxial compression, avoids the influence of rock sample extraneous factor in inundation-dehydration process, realizes rock sample
Inundation-dehydration circulate under metastable environment and carry out, rock sample inundation-dehydration and uniaxial compression integration is realized
Inundation-dehydration the circulation of rock sample under pressurised conditions, improves the efficiency and accuracy of experiment.Water torus and outside water,
The gas circulatory system is connected, and has collectively constituted water, the gas circulatory system, the water in water torus may be implemented, gas recycles, guarantee rock
Inundation-dehydration process of sample is accurate.Water torus built-in temperature and humidity sensor, it can be ensured that the peace of entire test process
It is complete to carry out.The test method can greatly improve test efficiency, and test data result is more accurate, and can obtain rock sample and exist
Monitoring data in inundation-dehydration cyclic process.So that the inundation of rock-dehydration circulation data are more comprehensively, in detail.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is rock inundation-dehydration circulation synchronous loading device water torus top view；
Wherein, 1. sealing cover, 2. rubber seal, 3. gas outlets switch, 4. gas outlets, 5. sealing rings, 6. seal pipes, 7. rocks
Sample cushion cap, 8. temperature-humidity detectors, 9. rock sample strain monitoring devices, 10. water circulation cavity, 11. uniaxial compression devices, 12.
Rock sample, 13. water inlets/port, 14. pressure gauges, 15. points to switch, 16. pipeline switching devices, 17. pipelines, 18. water storage tanks,
19. gas storage tanks, 20. water outlets, 21. water outlets switch, 22. waste water water storage devices.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be merely convenient to
Narration is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the present invention.
Referring to Fig. 1, a kind of rock inundation-dehydration circulation synchronous loading device, water recycles cavity 10 and is used to carry out rock sample
Inundation-dehydration circulation, is major part of the invention.Temperature for monitoring water torus state is installed in water circulation cavity 10
Degree-hygrosensor 8, for measuring the rock sample strain monitoring device 9 and rock sample 12 of rock sample strain, uniaxial compression device 11, rock
Sample cushion cap 7；And water, which recycles, has multiple openings and switch, including gas outlet 4, gas outlet switch 3, water outlet on cavity 10
20, water outlet switch 21, water inlet/port 13；Pressure gauge 14 divides to switch 15, pipeline switching device 16, connecting pipeline 17, outside
Portion further includes the water storage device 22 for recycling waste water, for the water storage tank 18 of water circulation, the gas storage tanks 19 of gas circulation；
Connect water torus and external device (ED) is connecting pipeline 17, is equipped with the pressure for monitoring overpressure at water inlet/port end
Power table 14, for controlling dividing to switch 15 by water/gas in pipe.
Referring to Fig. 2, a kind of top view of rock inundation-dehydration circulation synchronous loading device water torus.
Rock inundation-dehydration circulation synchronous loading device position and connection relationship are:
The present apparatus can generally be divided into water torus and vapor circulation system.Water circulation cavity 10 is the main part of the present apparatus,
It is to realize rock inundation-dehydration circulation and loading synchronous core apparatus.Water circulation cavity 10 and sealing cover 1 pass through rubber seal
2 integral sealings are enclosed, 1 center of sealing cover is equipped with seal pipe 6, is equipped with two layers of sealing ring 5 in seal pipe, there is open pore on its housing
The gas outlet 4 of intracavity gas is discharged namely for the signal output of output signal in hole, and intracavitary water is discharged to waste water storage
The water outlet 20 of water installations, the water inlet/port 13 being connect with vapor circulation system.Signal output is arranged water and recycles cavity 10 1
Side, gas outlet are set on sealing cover 1, and water outlet 20 is set to the bottom of water circulation cavity 10, and water inlet/port 13 is set to water
Recycle the close bottom position of 10 another side of cavity.It is uniaxial compression device above cavity 10 that water, which recycles, is carried out to rock sample single
Axis pressurization.The rock sample pressurized part sealing of Rock Under Uniaxial Compression pressurizing device 11 is placed in water circulation cavity 10.
Vapor circulation system mainly includes water storage tank 18, gas storage tanks 19, waste water water storage device 22 and connecting tube
The parts such as line 17 and switch, pressure gauge.Connecting pipeline 17 uses rubber tube, when connecting with water storage tank 18 and gas storage tanks 19
To be tightly connected, do not leak air, drainage.Vapor circulation system is realized to the important portion of rock sample inundation-dehydration circulation
Point.In order to reduce the opening to water torus, guarantee its globality as far as possible, water inlet and air inlet is combined into one, technology
Measure be using point to switch come control water, gas enters water torus.Water store tank and gas storage tanks are connected to by pipeline
Point to switch, point pass through to switch control water, gas.A is opened, then can only pass through water in pipe；If opening B, can only lead in pipe
Cross gas, thereby realize the single-pass of water, gas, can experimental evidence need to carry out selection control.Due to using pressurizing device into
Row water-gas circulation, therefore pressure gauge is installed in water torus water/gas mouth connecting pipeline, the pressure in connecting pipeline is carried out
The control to water-gas circulation may be implemented in real-time monitoring, guarantees the highly effective and safe of the test.Vapor circulation system is generated
Exhaust gas can be directly discharged by gas outlet due to not being contaminated.The waste water of generation, by the water storage device for recycling waste water
It is recycled.Waste water water storage device is connect also by connecting tube with water outlet, is equally tightly connected using rubber tube.
Steps are as follows for dehydration circulation synchronous load test for rock inundation based on above-mentioned apparatus-:
(1) rock sample is processed
Rock sample to be measured is processed into high 100mm, diameter is the cylindrical sample of 50mm, guarantees the surfacing of rock sample.
(2) rock sample loads
Rock sample is placed between upper and lower pressure plate, and rock sample strain monitoring device is attached to rock sample surface to be seen.Water is followed
Ring cavity closing, starts uniaxial compression device, controls compression rate, stops after pressure is risen to goal pressure.
(3) rock sample inundation
Gas outlet switch is opened, water outlet switch is closed, is opened point to switch to the end A, under pressurizing device effect, water storage
Water in tank can be flowed into water torus by connecting pipeline through water inlet/port, reach predetermined water level (flooding rock sample), to rock
Rock sample inundation can be completed in sample inundation for a period of time.
(4) rock sample dehydration
Point will open to switch to the end B, and simultaneously close off gas outlet switch, the gas of gas storage tanks under pressurizing device effect,
Enter water torus through water inlet/port, opens water outlet switch, increase with air pressure in dampening torus, waste water can pass through water outlet
Mouthful, it is pressed into water storage device, water outlet switch is closed after water in water torus is properly drained only, to one section of rock sample nature dehydration
Time.
(5) rock sample inundation-dehydration circulation
Step (3), (4) are repeated, inundation-dehydration circulation of the rock sample under constant pressure effect is realized, reaches target circulation number.
(6) collator
After the completion of to be tested, after the water in water torus is excluded completely, then unloading pressure, uniaxial compression device is closed, is taken out
Rock sample after test cleans out water torus.
(7) test data arranges
The test monitoring data being stored in computer are arranged and analyzed.
The test whole process requires to pass through pressure gauge reality by temperature-humidity detector real-time monitoring water torus state
When monitoring connecting pipeline in pressure condition, it is ensured that this test safely, effectively carries out.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (9)
1. a kind of rock inundation-dehydration Cycling Mechanics experimental system, characterized in that recycle cavity including water, water recycles on cavity
End is sealed and installed with sealing cover by sealing element, and sealing cover center is equipped with seal pipe, two layers of sealing ring is equipped in seal pipe, by rock
The rock sample pressurized part sealing of stone uniaxial compression device is placed in water torus body, and it is wet to be additionally provided with temperature-in water torus body
Detector is spent, rock sample strain monitoring device is provided on the rock sample of rock sample pressurized part, multiple openings are set on water circulation cavity,
Respectively signal output, water outlet and water inlet/port, wherein the data of temperature-humidity detector and rock sample strain monitoring device
Line is drawn by signal output, and water outlet is connected to by pipeline with external water recovery apparatus, and water inlet/port passes through pipeline and water storage
And caisson connection；It can control gas water content in water torus body by disengaging gas water mouth, temperature-humidity detector is used for
Cavity temperature and humidity are monitored, strain monitoring instrument exports rock sample strain data.
2. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that the water recycles cavity
For cylinder, cylinder side is arranged in signal output therein, and gas outlet is set on sealing cover, and water outlet is set to cylinder
The bottom of body, water inlet/port are set to the close bottom position of cylinder another side.
3. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that the sealing element is rubber
Glue sealing ring.
4. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that set on the gas outlet
It is equipped with gas outlet switch, and is communicated with external atmosphere.
5. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that the water outlet and outer
Water outlet switch is provided on the connected pipeline of portion's water storage device.
6. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that the water inlet/port with
It is provided with pressure gauge on the pipeline that water storage and caisson are connected and divides to switch, divides to the port A, B of switch and passes through pipeline point
It is not connected with water storage device and caisson, and is provided with pipeline switching device on the depot siding.
7. rock inundation as claimed in claim 4-dehydration Cycling Mechanics experimental system, characterized in that the water storage device and
Caisson is independent water storage tank and gas storage tanks, and the outside of the two is provided with pressurizing device.
8. rock inundation as described in claim 1-dehydration Cycling Mechanics experimental system, characterized in that the pipeline is rubber
Pipe.
9. a kind of based on rock inundation-dehydration Cycling Mechanics experimental system experimental method, characterized in that the following steps are included:
(1) rock sample is processed
Rock sample to be measured is processed into cylindrical sample, guarantees the surfacing of rock sample；
(2) rock sample loads
Rock sample is placed between the upper and lower pressure plate of Rock Under Uniaxial Compression pressurizing device, and rock sample strain monitoring device is attached to wait see
The rock sample surface examined；By water circulation cavity closing, starts uniaxial compression device, control compression rate, pressure is risen into target pressure
Stop after power；
(3) rock sample inundation
Gas outlet switch is opened, water outlet switch is closed, is opened point to switch to the port A, under pressurizing device effect, water is deposited
Water in storage tank can be flowed into water torus body through water inlet/port by connecting pipeline, be reached predetermined water level and flood rock sample,
Rock sample inundation can be completed for a period of time to rock sample inundation；
(4) rock sample dehydration
It will divide and open to switch to the port B, and simultaneously close off gas outlet switch, the gas of gas storage tanks is acted in pressurizing device
Under, enter water circulation cavity through water inlet/port, opens water outlet switch, increase with air pressure in dampening torus, waste water can pass through
Water outlet is pressed into water storage device, and water outlet switch is closed after water in water torus body is properly drained only, is lost naturally to rock sample
Water is for a period of time；
(5) rock sample inundation-dehydration circulation
Step (3), (4) are repeated, inundation-dehydration circulation of the rock sample under constant pressure effect is realized, reaches target circulation number；
(6) collator
After the completion of to be tested, after the intracorporal water of water torus is excluded completely, then unloading pressure, uniaxial compression device is closed, is taken
Rock sample after testing out, cleans out water torus；
(7) test data arranges
The test monitoring data being stored in computer are arranged and analyzed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810775175.8A CN109163971A (en) | 2018-07-16 | 2018-07-16 | Rock inundation-dehydration Cycling Mechanics experimental system and its experimental method |
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| CN201810775175.8A CN109163971A (en) | 2018-07-16 | 2018-07-16 | Rock inundation-dehydration Cycling Mechanics experimental system and its experimental method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823662A (en) * | 2019-12-04 | 2020-02-21 | 新疆格瑞迪斯石油技术股份有限公司 | High-water-loss rock sample pressing instrument |
| CN111707704A (en) * | 2020-07-15 | 2020-09-25 | 大连理工大学 | Sealing device for optimizing hot dry rock and water heat exchange efficiency |
| CN116358969A (en) * | 2023-06-02 | 2023-06-30 | 中国地质大学（北京） | Rock sample preparation device with different water contents |
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