CN110530784A - Simulate the soak test device and method of corrosivity pressure water environment - Google Patents
Simulate the soak test device and method of corrosivity pressure water environment Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title description 8
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 239000011435 rock Substances 0.000 claims abstract description 57
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- 238000004088 simulation Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000007654 immersion Methods 0.000 claims abstract description 9
- 238000011160 research Methods 0.000 claims abstract description 8
- 238000002791 soaking Methods 0.000 claims abstract description 8
- 230000010534 mechanism of action Effects 0.000 claims abstract description 5
- 238000010998 test method Methods 0.000 claims abstract description 4
- 238000010835 comparative analysis Methods 0.000 claims abstract description 3
- 238000004458 analytical method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
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- 239000002384 drinking water standard Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
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- 239000000284 extract Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000002706 hydrostatic effect Effects 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000011800 void material Substances 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 5
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- 230000004048 modification Effects 0.000 description 2
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- 230000000704 physical effect Effects 0.000 description 2
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000013142 basic testing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 salt ion Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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Abstract
Simulate the soak test device and test method of corrosivity pressure water environment, including bracket, pressure-bearing bucket and pressurizing device, sealing cover is provided with by dismountable bolt at the top of pressure-bearing bucket, pressure-bearing bucket bottom is arranged on bracket, pressure-bearing barrel side portion is connected with pressure gauge, and pressure-bearing bucket bottom center offers transparent taphole, and taphole lower port is connected with liquid discharging tube, bleeder valve is provided on liquid discharging tube, pressurizing device is connect with the side of pressure-bearing bucket.The present invention applies different hydrostatic pressures to acid and alkali corrosion water, carry out the immersion treatment of rock sample, authentic and valid simulation corrosivity pressure water environment, according to the test result comparative analysis of different immersion operating condition samples and solution, the influence degree and the mechanism of action to water-rock interaction such as quantitative or qualitative research hydraulic pressure, solion component, ion concentration and soaking time, the underlying issues such as the microscopic void of rock and mechanical characteristic under corrosivity pressure water environment are studied, the blank and deficiency of water-rock interaction research are made up.
Description
Technical field
The invention belongs to engineering geology and Geotechnical Engineering field, and in particular to a kind of simulation corrosivity pressure water environment
Soak test device and method.
Background technique
Underground water is most active factor in geological environment.After rock mass meets water, physics that underground water constantly generates rock mass
Effect, the influence that chemical action and mechanical function and water generate medium state, referred to as water-rock interaction.Water-rock interaction is extensive
It is present in earth's surface ground and crust depth, is influenced by water-rock interaction, rock mass strength and mechanical behavior can changes, and then lead
Cause the generation of various engineering project disasters.
Water-rock interaction includes physical action, chemical action and mechanical function.Physical action mainly includes lubrication, softening, does
The processes such as wet and freeze thawing；Chemical action is by the ion exchange between underground water and rock mass, dissolution, hydration, hydrolysis
Effect and corrosion etc. change the mineral composition and the structure of matter of rock mass, to influence the mechanical property of rock mass；Water rock mechanics
Effect mainly includes that underground water generates hydrostatic and excess hydrostatic pressure, penetration etc..Physics, chemistry and the mechanical function of water are usually simultaneously
Non- single appearance, but mutually promote, interactional process, influence of the water to physical-mechanical properties of rock is to being a variety of effects
Synthesis result.
The generally specific acid and alkali corrosion of water body in particular surroundings is in weak base such as salt ion rich in seawater
Property.Mine groundwater typically contains a large amount of sulfate ion, in acidity.To further investigate water-rock interaction, need to fully consider
The factors such as the pressure and corrosivity of water design the sample infuser device of energy manual simulation's corrosivity pressure water environment, at present also
Do not occur that the influence of hydraulic pressure and Among Corrosive Factors can be comprehensively considered, the sample of real simulation corrosivity pressure water environment impregnates
Device.The experimental rig can provide basic test and support for the intensity of rock mass under water-rock interaction and stability analysis, in ocean
Engineering, Reservoir Bank landslide control, waterproof coal (rock) column, which stays to set, has important application in the engineerings such as Tunnel Gushing improvement.
Summary of the invention
The present invention in order to solve shortcoming in the prior art, provide a kind of structure it is simple, convenient for operation, simulation test
The soak test device and method of authentic and valid simulation corrosivity pressure water environment.
In order to solve the above technical problems, the present invention adopts the following technical scheme: the immersion of simulation corrosivity pressure water environment
Experimental rig, including bracket, pressure-bearing bucket and pressurizing device, pressure-bearing bucket top are provided with sealing cover by dismountable bolt, hold
Bucket bottom is pressed to be arranged on bracket, pressure-bearing barrel side portion is connected with pressure gauge, and pressure-bearing bucket bottom center offers transparent
Taphole, taphole lower port are connected with liquid discharging tube, and bleeder valve, the side company of pressurizing device and pressure-bearing bucket are provided on liquid discharging tube
It connects.
Pressurizing device includes cylinder body, liquid storage container and force (forcing) pump, and cylinder body threaded upper ends are connected with blanking cover, and sliding is set in cylinder body
Have the piston that cylinder interior is divided into epicoele and cavity of resorption, be loaded with kerosene in liquid storage container, the inlet of force (forcing) pump by into
Liquid pipe is connect with liquid storage container, and inlet tube is equipped with the first isolating valve, and the liquid outlet of force (forcing) pump is intracorporal by outlet tube and cylinder
Cavity of resorption connection, outlet tube are equipped with the second isolating valve, are connected between blanking cover and pressure-bearing bucket by forcing pipe, are provided on forcing pipe
Liquid feed valve.
Position on forcing pipe between liquid feed valve and blanking cover is connected with the first release pipe, and the first release pipe is equipped with first
Relief valve, the position on inlet tube between isolating valve and cylinder base are connected with the second release pipe, and the second release pipe is equipped with
Second relief valve.
Bottom radially circumferentially high, gradient structure that center is low in pressure-bearing bucket.
The test method for simulating the soak test device of corrosivity pressure water environment, includes the following steps,
(1) bleeder valve is closed, bolt is backed out, the sealing cover of pressure-bearing bucket is opened, rock sample is put into pressure-bearing bucket, then will be matched
The corrosive solution made fills pressure-bearing bucket, covers sealing cover, tightens fastening bolt, guarantees the sealing of pressure-bearing bucket；
(2) blanking cover at the top of cylinder body is opened, so that piston is in lower dead center, is filled into the cylinder body of piston on the side and phase in pressure-bearing bucket
Same corrosive solution, is then screwed to cylinder body upper end for blanking cover, guarantees the leakproofness of cylinder body；
(3) liquid feed valve, the first isolating valve and the second isolating valve are opened, the first relief valve and the second relief valve, starting pressurization are closed
Kerosene in liquid storage container is injected into intracavitary under cylinder body by pump, force (forcing) pump, and driving piston moves up, and piston pushes upper intracavitary
Corrosive liquids be injected into pressure-bearing bucket by forcing pipe, pressure-bearing bucket internal corrosion fluid pressure increase, rock sample is applied
Plus-pressure, pressure in pressure gauge real-time display pressure-bearing bucket are closed the first isolating valve, are protected after pressure reaches setting value in pressure-bearing bucket
Pressure in pressure-bearing bucket is held, force (forcing) pump is closed, starts to test；
(4) according to rock type and solion ingredient, sample soaking time is determined；During test, pressure in pressure-bearing bucket is kept
It is constant；Occur when due to rock sample crack propagation or Water-rock interaction, when leading to pressure reduction in pressure-bearing bucket, can pass through and repeat to walk
Suddenly pressure in (3) compensation pressure-bearing bucket, makes pressure in pressure-bearing bucket remain at setting value；Pressure-bearing bucket uses transparent resistant material
It is made, during test, the situation of change of the rock sample in pressure-bearing bucket can be observed at any time；
(5) after the test, bleeder valve and the second relief valve are slowly opened, pressure in pressure-bearing bucket is discharged, until pressure is zero；
(6) bolt is backed out, pressure-bearing bucket internal corrosion liquid is vented, takes out rock sample, then removes blanking cover, extracts emptying cylinder body
Liquid on the upside of inner piston cleans pressure-bearing bucket and inboard wall of cylinder block, and piston pressure pressure is moved to after bottom dead center, screws on blanking cover；
(7) during testing and after the test, the corrosive liquids in pressure-bearing bucket can be released at any time by liquid discharging tube, pressed
Plasma optical emission is utilized after the requirement sampling of " drinking water standard method of inspection metal indicator " (GB/T5750.6-2006)
The instruments such as spectrometer carry out Chemical characteristic analysis, study the variation of effects of ion constituents ratio；During test and test is tied
Shu Hou takes out rock sample using instruments such as low-field nuclear magnetic resonance, scanning electron microscope and X-ray diffractometers and carries out rock pore
Gap rate, microscopic appearance and mineral content analysis；It is quantitative according to the test result comparative analysis of different immersion operating condition samples and solution
Or qualitative research hydraulic pressure, solion component, ion concentration and soaking time are to the influence degree and the mechanism of action of water-rock interaction.
By adopting the above technical scheme, all parts of the invention are respectively provided with following technical effect:
(1) pressure-bearing bucket and sealing cover
After pressure-bearing bucket fills corrosive solution, rock sample is impregnated.Sealing cover is bolted to connection in pressure-bearing bucket
Upper end carries out pressure-bearing bucket closed.Pressure-bearing bucket is connected by bleeder valve with outside air, and bottom is radially in pressure-bearing bucket
The gradient structure circumferentially high, center is low, convenient for liquid in bucket is discharged by taphole after the test.
(2) pressure gauge
Pressure gauge is directly connected with pressure-bearing liquid in bucket, real-time display liquid in bucket pressure.
(3) cylinder body and piston
Cylinder body is pressure conduction mechanism, and piston is mounted on cylinder interior, and cylinder body one end connects pressure-bearing bucket internal corrosion liquid, one end
Connect force (forcing) pump., can be mobile by the low side of the high lateral pressure of pressure when piston two sides are there are when pressure difference, until two
Lateral pressure is equal, and by the movement of piston, the working medium pressure of force (forcing) pump is converted into pressure-bearing bucket internal corrosion fluid pressure.Root
According to the range of device maximal work pressure, piston is respectively arranged with mobile top dead centre and lower dead center in cylinder body top and bottom.Cylinder
The blanking cover on body top is connect with cylinder body threaded upper ends, and blanking cover can be unscrewed, for filling corrosivity in the cylinder body to piston on the side
Liquid.In special circumstances, using specific purpose tool, piston can also be pushed to move back and forth up and down in cylinder body.
(4) force (forcing) pump and liquid storage container
Force (forcing) pump is Pressure generator, and by force (forcing) pump, kerosene is constantly pressed into piston underside in liquid storage container, generates liquid
Pressure.The working media of force (forcing) pump is kerosene, and kerosene is stored in liquid storage container.
(5) bleeder valve and liquid feed valve
Bleeder valve controls the discharge of pressure-bearing bucket internal corrosion liquid, and liquid feed valve control corrosion rate liquid enters pressure-bearing bucket.
(6) first isolating valves and the second isolating valve
First isolating valve controls the connection between liquid storage container and force (forcing) pump.Second isolating valve controls between cylinder body and force (forcing) pump
Connection.
(7) first communicating valves and the second communicating valve
First communicating valve control cylinder body (piston on the side part) is connected to outside air.Second communicating valve controls cylinder body (under piston
Side section) it is connected to outside air.Communicating valve is mainly used for after the test, pressure-bearing bucket and the intracorporal pressure release of cylinder.
In conclusion the present invention is in the research of current water-rock interaction, shortage being capable of authentic and valid simulation corrosivity pressure
The soak test device of water environment causes water-rock interaction to study the incomplete problem of Consideration, and the invention proposes a kind of moulds
The soak test device and method of quasi- corrosivity pressure water environment.The present invention uses corrosion-resistant material, real simulation corrosivity
Pressure water environment.Pressurizing device is loaded using fluid pressure, and pressure is reliable and stable, pressure gauge real-time display fluid pressure.Pass through
The experimental rig can apply different hydrostatic pressures to acid and alkali corrosion water, carry out the immersion treatment of rock sample, really have
Effect simulation corrosivity pressure water environment.On this basis, according to the test result of different immersion operating condition samples and solution to score
Analysis, quantitative or qualitative research hydraulic pressure, solion component, ion concentration and soaking time etc. to the influence degree of water-rock interaction and
The mechanism of action studies the underlying issues such as the microscopic void of rock and mechanical characteristic under corrosivity pressure water environment, makes up water rock work
With the blank and deficiency of research.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
As shown in Figure 1, the soak test device of simulation corrosivity pressure water environment of the invention, including bracket 1, pressure-bearing bucket
2 and pressurizing device, sealing cover 4 is provided with by dismountable bolt 3 at the top of pressure-bearing bucket 2,2 bottom of pressure-bearing bucket is arranged in bracket 1
On, 2 side of pressure-bearing bucket is connected with pressure gauge 5, and 2 bottom center of pressure-bearing bucket offers transparent taphole 6, taphole 6
Lower port is connected with liquid discharging tube 7, and bleeder valve 8 is provided on liquid discharging tube 7, and pressurizing device is connect with the side of pressure-bearing bucket 2.
Pressurizing device includes cylinder body 9, liquid storage container 10 and force (forcing) pump 11, and 9 threaded upper ends of cylinder body are connected with blanking cover 12, cylinder body
Sliding, which is equipped with, in 9 will be divided into the piston 13 of epicoele and cavity of resorption inside cylinder body 9, be loaded with kerosene 14 in liquid storage container 10, pressurize
The inlet of pump 11 is connect by inlet tube 15 with liquid storage container 10, and inlet tube 15 is equipped with the first isolating valve 16, force (forcing) pump 11
Liquid outlet connect with the cavity of resorption in cylinder body 9 by outlet tube 17, outlet tube 17 equipped with the second isolating valve 18, blanking cover 12 with hold
It is connected between pressure bucket 2 by forcing pipe 19, liquid feed valve 20 is provided on forcing pipe 19.
Position on forcing pipe 19 between liquid feed valve 20 and blanking cover 12 is connected with the first release pipe 21, the first release pipe 21
Equipped with the first relief valve 22, the position on inlet tube 15 between 9 bottom of isolating valve and cylinder body is connected with the second release pipe 23,
Second release pipe 23 is equipped with the second relief valve 24.
Bottom radially circumferentially high, gradient structure that center is low in pressure-bearing bucket 2.
The test method for simulating the soak test device of corrosivity pressure water environment, includes the following steps,
(1) bleeder valve 8 is closed, bolt 3 is backed out, sealing cover 4 is opened, rock sample 25 is put into pressure-bearing bucket 2, then will be prepared
Good corrosive solution fills pressure-bearing bucket 2, covers sealing cover 4, tightens fastening bolt 3, guarantees that pressure-bearing bucket 2 seals；
(2) blanking cover 12 for opening 9 top of cylinder body, makes piston 13 be in lower dead center, fills and holds into the cylinder body 9 of 13 upside of piston
Identical corrosive solution in bucket 2 is pressed, blanking cover 12 is then screwed to 9 upper end of cylinder body, guarantees the leakproofness of cylinder body 9；
(3) liquid feed valve 20, the first isolating valve 16 and the second isolating valve 18 are opened, the first relief valve 22 and the second relief valve are closed
24, start force (forcing) pump 11, the kerosene 14 in liquid storage container 10 is injected into intracavitary under cylinder body 9, driving piston 13 by force (forcing) pump 11
It moves up, piston 13 pushes upper intracavitary corrosive liquids to be injected into pressure-bearing bucket 2 by forcing pipe 19, rotten in pressure-bearing bucket 2
Corrosion fluid pressure increases, and the immersion hydraulic pressure of rock sample 25 increases, pressure in 5 real-time display pressure-bearing bucket 2 of pressure gauge, pressure-bearing bucket
After pressure reaches setting value in 2, the first isolating valve 16 is closed, keeps pressure in pressure-bearing bucket 2, force (forcing) pump 11 is closed, starts to test；
(4) according to rock type and solion ingredient, sample soaking time is determined.During test, pressure in pressure-bearing bucket 2 is kept
It is constant.Occur when due to 25 crack propagation of rock sample or Water-rock interaction, when leading to pressure reduction in pressure-bearing bucket 2, weight can be passed through
Pressure in multiple step (3) compensation bucket, makes pressure in pressure-bearing bucket 2 remain at setting value.Pressure-bearing bucket 2 uses transparent corrosion-resistant material
Material is made, and during test, can observe the situation of change of the rock sample in pressure-bearing bucket 2 at any time；
(5) after the test, bleeder valve 8 and the second relief valve 24 are slowly opened, pressure in pressure-bearing bucket 2 is discharged, until pressure is
Zero；
(6) bolt 3 is backed out, 2 internal corrosion liquid of pressure-bearing bucket is vented, rock sample 25 is taken out, then removes blanking cover 12, extraction is put
Empty 9 inner piston of cylinder body, 13 upside liquid cleans pressure-bearing bucket 2 and 9 inner wall of cylinder body, and the pressure pressure of piston 13 is moved to after bottom dead center, twists
Upper blanking cover 12；
(7) during testing and after the test, the corrosive liquids in pressure-bearing bucket 2 can be released at any time by liquid discharging tube 7, pressed
Plasma optical emission is utilized after the sampling such as " drinking water standard method of inspection metal indicator " (GB/T5750.6-2006) requirements
The instruments such as spectrometer carry out Chemical characteristic analysis, study the variation of effects of ion constituents ratio.During test and test is tied
Shu Hou, can also take out rock sample 25 using the instruments such as low-field nuclear magnetic resonance, scanning electron microscope and X-ray diffractometer into
Row rock porosity, microscopic appearance and mineral content analysis.According to the test result comparison of different immersion operating condition samples and solution
Analysis, the influence degree to water-rock interaction such as quantitative or qualitative research hydraulic pressure, solion component, ion concentration and soaking time
And the mechanism of action.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (5)
1. simulating the soak test device of corrosivity pressure water environment, it is characterised in that: including bracket, pressure-bearing bucket and pressurization dress
It sets, sealing cover is provided with by dismountable bolt at the top of pressure-bearing bucket, pressure-bearing bucket bottom is arranged on bracket, and pressure-bearing barrel side portion connects
It is connected to pressure gauge, pressure-bearing bucket bottom center offers transparent taphole, and taphole lower port is connected with liquid discharging tube, puts
Bleeder valve is provided in liquid pipe, pressurizing device is connect with the side of pressure-bearing bucket.
2. the soak test device of simulation corrosivity pressure water environment according to claim 1, it is characterised in that: pressurization dress
It sets including cylinder body, liquid storage container and force (forcing) pump, cylinder body threaded upper ends are connected with blanking cover, and sliding is equipped with cylinder interior point in cylinder body
It is divided into the piston of epicoele and cavity of resorption, kerosene is loaded in liquid storage container, the inlet of force (forcing) pump passes through inlet tube and liquid storage container
Connection, inlet tube are equipped with the first isolating valve, and the liquid outlet of force (forcing) pump is connect by outlet tube with the intracorporal cavity of resorption of cylinder, outlet tube
It is equipped with the second isolating valve, is connected between blanking cover and pressure-bearing bucket by forcing pipe, is provided with liquid feed valve on forcing pipe.
3. the soak test device of simulation corrosivity pressure water environment according to claim 2, it is characterised in that: forcing pipe
On position between liquid feed valve and blanking cover be connected with the first release pipe, the first release pipe is equipped with the first relief valve, inlet tube
On position between isolating valve and cylinder base be connected with the second release pipe, the second release pipe is equipped with the second relief valve.
4. the soak test device of simulation corrosivity pressure water environment according to claim 3, it is characterised in that: pressure-bearing bucket
Interior bottom radially circumferentially high, gradient structure that center is low.
5. the test method of the soak test device of simulation corrosivity pressure water environment according to claim 4, feature
It is: includes the following steps,
(1) bleeder valve is closed, bolt is backed out, the sealing cover of pressure-bearing bucket is opened, rock sample is put into pressure-bearing bucket, then will be matched
The corrosive solution made fills pressure-bearing bucket, covers sealing cover, tightens fastening bolt, guarantees the sealing of pressure-bearing bucket；
(2) blanking cover at the top of cylinder body is opened, so that piston is in lower dead center, is filled into the cylinder body of piston on the side and phase in pressure-bearing bucket
Same corrosive solution, is then screwed to cylinder body upper end for blanking cover, guarantees the leakproofness of cylinder body；
(3) liquid feed valve, the first isolating valve and the second isolating valve are opened, the first relief valve and the second relief valve, starting pressurization are closed
Kerosene in liquid storage container is injected into intracavitary under cylinder body by pump, force (forcing) pump, and driving piston moves up, and piston pushes upper intracavitary
Corrosive liquids be injected into pressure-bearing bucket by forcing pipe, pressure-bearing bucket internal corrosion fluid pressure increase, rock sample is applied
Plus-pressure, pressure in pressure gauge real-time display pressure-bearing bucket are closed the first isolating valve, are protected after pressure reaches setting value in pressure-bearing bucket
Pressure in pressure-bearing bucket is held, force (forcing) pump is closed, starts to test；
(4) according to rock type and solion ingredient, sample soaking time is determined；During test, pressure in pressure-bearing bucket is kept
It is constant；Occur when due to rock sample crack propagation or Water-rock interaction, when leading to pressure reduction in pressure-bearing bucket, can pass through and repeat to walk
Suddenly pressure in (3) compensation pressure-bearing bucket, makes pressure in pressure-bearing bucket remain at setting value；Pressure-bearing bucket uses transparent resistant material
It is made, during test, the situation of change of the rock sample in pressure-bearing bucket can be observed at any time；
(5) after the test, bleeder valve and the second relief valve are slowly opened, pressure in pressure-bearing bucket is discharged, until pressure is zero；
(6) bolt is backed out, pressure-bearing bucket internal corrosion liquid is vented, takes out rock sample, then removes blanking cover, extracts emptying cylinder body
Liquid on the upside of inner piston cleans pressure-bearing bucket and inboard wall of cylinder block, and piston pressure pressure is moved to after bottom dead center, screws on blanking cover；
(7) during testing and after the test, the corrosive liquids in pressure-bearing bucket can be released at any time by liquid discharging tube, pressed
Plasma optical emission is utilized after the requirement sampling of " drinking water standard method of inspection metal indicator " (GB/T5750.6-2006)
The instruments such as spectrometer carry out Chemical characteristic analysis, study the variation of effects of ion constituents ratio；During test and test is tied
Shu Hou takes out rock sample using instruments such as low-field nuclear magnetic resonance, scanning electron microscope and X-ray diffractometers and carries out rock pore
Gap rate, microscopic appearance and mineral content analysis；It is quantitative according to the test result comparative analysis of different immersion operating condition samples and solution
Or qualitative research hydraulic pressure, solion component, ion concentration and soaking time are to the influence degree and the mechanism of action of water-rock interaction.
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| CN112067404A (en) * | 2020-10-07 | 2020-12-11 | 马正军 | High-efficient geotechnical test saturation jar |
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| CN117606936A (en) * | 2024-01-23 | 2024-02-27 | 成都理工大学 | Rock stress corrosion test device and method thereof |
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