CN116203103B - Test device for reducing cohesive soil adhesiveness by electroosmosis method - Google Patents
Test device for reducing cohesive soil adhesiveness by electroosmosis method Download PDFInfo
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- CN116203103B CN116203103B CN202310226078.4A CN202310226078A CN116203103B CN 116203103 B CN116203103 B CN 116203103B CN 202310226078 A CN202310226078 A CN 202310226078A CN 116203103 B CN116203103 B CN 116203103B
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 title claims abstract description 27
- 238000005370 electroosmosis Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims description 53
- 229910000906 Bronze Inorganic materials 0.000 claims description 36
- 239000010974 bronze Substances 0.000 claims description 36
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims description 23
- 239000010935 stainless steel Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 12
- 230000005518 electrochemistry Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 5
- 239000004927 clay Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000002734 clay mineral Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of electrochemistry, and particularly relates to a test device for reducing cohesive soil adhesiveness by an electroosmosis method, which comprises a battery frame, wherein a sample platform is fixedly connected to the battery frame, and the sample platform is electrically connected with an energy regulating mechanism; the energy regulating mechanism comprises a primary cell and an electrolytic cell, wherein the primary cell is connected with the electrolytic cell in series, and the electrolytic cell is electrically connected with the sample platform. The test device breaks through the thought of the traditional chemical mud cake removal, realizes the discipline intersection of electrochemistry and shield direction, and provides a technology for removing mud cakes by electroosmosis with low energy consumption and high efficiency.
Description
Technical Field
The invention belongs to the technical field of electrochemistry, and particularly relates to a test device for reducing cohesive soil adhesiveness by an electroosmosis method.
Background
The mechanized shield tunneling construction method and the TBM tunneling construction method are safe, efficient and environment-friendly underground construction methods, and are widely used in the fields of water conservancy, traffic, mining and the like. The cutter head is rotated and pushed, and rock is broken through the disc cutter, so that the tunnel with the full section is formed at one time. In tunneling construction of rail traffic engineering, especially in fine-grained soil and weak rock stratum crossing water, clay mineral in tunneling materials is easy to adhere to TBM metal surface, mud cake is formed on cutting device surface, and the tunneling machine is likely to be blocked, so that the strength of a cutting cutterhead is reduced, the engineering progress is influenced, and contract disputes are easy to cause.
In order to avoid the sticking of viscous minerals on the metal surface and the blocking of the heading machine in the heading process of the mechanized heading machine, a plurality of technologies are applied to avoid the problems of blocking of the heading machine, blocking of a cutting cutter disc, blocking of the heading machine and the like, the most effective technology for treating the problems of blocking of the cutting cutter disc, blocking of the heading machine and the like at the present stage is a residue soil improvement technology, and the residue soil improvement technology can solve the problems of blocking of the cutter disc of a shield penetrating partial stratum and the like though the residue soil improvement technology is capable of solving the problems of blocking the residue soil of the cutter disc of the shield penetrating partial stratum, but success or failure of the residue soil improvement technology depends on stratum conditions of a construction site to a great extent, the residue soil improvement technology is applied by meeting stratum suitability conditions, preparation work is relatively complex, and meanwhile, soil environmental pollution can be caused by soil improvement of a chemical modifier.
Therefore, aiming at a general water-containing soil stratum, the limitation of a residue soil improvement technology is avoided, the soil environment pollution is avoided, a special battery for removing mud cakes attached to the metal surface by applying an electroosmosis technology is needed, the invention is applied to complete an indoor test for removing the mud cakes, and the principle of the invention is applied to shield and TBM, so that the problems that viscous minerals adhere to the metal surface and shield soil bins are blocked and the like when the general stratum is traversed are solved, and the problems of engineering problems such as mud cake caking of a cutter disc, shield soil bin blocking and the like in the process of constructing a low-energy-consumption pollution-free mechanized tunnel are realized.
Therefore, there is a need to design a test device for reducing the adhesion of cohesive soil by electroosmosis method, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a test device for reducing cohesive soil adhesiveness by an electroosmosis method, so as to solve the problems and achieve the purpose of providing theoretical basis and indoor test conditions for TBM application.
In order to achieve the above object, the present invention provides the following solutions: the test device for reducing the cohesive soil adhesiveness by an electroosmosis method comprises a battery frame, wherein a sample platform is fixedly connected to the battery frame, and the sample platform is electrically connected with an energy regulating mechanism;
the energy regulating mechanism comprises a primary cell and an electrolytic cell, wherein the primary cell is connected with the electrolytic cell in series, and the electrolytic cell is electrically connected with the sample platform.
Preferably, the primary battery comprises a detachable low-voltage power supply, a detachable contact adjusting resistor and a data transmitter which are sequentially connected in series, wherein the detachable low-voltage power supply and the data transmitter are respectively and electrically connected with a single-junction pH electrode, and the single-junction pH electrode is electrically connected with the electrolytic cell through a solution conducting part.
Preferably, the solution conducting part comprises an electrolyte reservoir, the unijunction pH electrode is detachably fixed in the electrolyte reservoir, one end of a PVC arc-shaped conduit is fixedly connected to the bottom end of the electrolyte reservoir, the other end of the PVC arc-shaped conduit is fixedly connected with the electrolytic cell, electrolyte is filled in the PVC arc-shaped conduit and the electrolyte reservoir, and the unijunction pH electrode is electrically connected with the electrolytic cell through the electrolyte.
Preferably, the data transmitter is electrically connected with a PC terminal.
Preferably, the outer side wall of the electrolyte reservoir is provided with a gradient scale, one side wall of the electrolyte reservoir is communicated with a water outlet pipe and a water inlet pipe, the water outlet pipe is positioned above the water inlet pipe, and the other side wall of the electrolyte reservoir is communicated with the water outlet pipe.
Preferably, the electrolytic cell comprises a power generator, a scanning function generator and a solid-state generator which are sequentially connected in series, wherein the power generator is electrically connected with a porous bronze electrode, the porous bronze electrode is electrically connected with a sample platform, the end part of a PVC arc-shaped catheter is fixedly connected with the porous bronze electrode, one single-junction pH electrode is electrically connected with the porous bronze electrode through electrolyte, the solid-state generator is electrically connected with a porous stainless steel electrode, the porous stainless steel electrode is electrically connected with the sample platform, the end part of the PVC arc-shaped catheter is fixedly connected with the porous stainless steel electrode, and the other single-junction pH electrode is electrically connected with the porous stainless steel electrode through electrolyte.
Preferably, a plurality of bolt holes are formed in the edge of the porous bronze electrode, the plurality of bolt holes are formed in the periphery of the porous bronze electrode at equal intervals, a connecting groove is formed in one side, close to the sample platform, of the porous bronze electrode, and a porous bronze electrode permeation layer is arranged in the middle of the porous bronze electrode.
Compared with the prior art, the invention has the following advantages and technical effects:
1. eliminating or at least reducing the adhesion of clay to metal surfaces and avoiding shield blockage.
2. The electroosmosis technology is applied to treat the clay adhesiveness, so that the required voltage is small, and the energy is saved.
3. Breaks through the limitation of the slag soil improvement technology, can be applied to common stratum, can effectively solve the problem that clay minerals are attached to the surface of shield metal, and is simple and convenient to operate.
4. Provides technical support and theoretical basis for the application of electroosmosis method on shield machine.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of a test apparatus according to the present invention;
FIG. 2 is a schematic view of a fixed cross architecture of the present invention;
FIG. 3 is a schematic representation of a porous bronze electrode structure in accordance with the present invention;
FIG. 4 is a schematic view of the porous stainless steel electrode structure of the present invention.
Wherein, 1, a detachable low-voltage power supply; 2. a detachable contact adjustment resistor; 3. a data transmitter; 4. a gradient scale; 5. a single junction pH electrode; 6. a water outlet pipe; 7. a water inlet pipe; 8. a battery frame; 9. a fixing bolt; 10. a power generator; 11. a scan function generator; 12. a solid state generator; 13. PVC arc-shaped conduit; 14. an electrolyte reservoir; 15. a porous bronze electrode; 16. a porous stainless steel electrode; 17. a sample platform; 18. fixing the cross; 19. a battery PVC frame; 20. bolt holes; 21. a connection groove; 22. porous bronze electrode permeation layer; 23. porous stainless steel electrode permeable layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the invention provides a test device for reducing cohesive soil adhesiveness by electroosmosis, which comprises a battery frame 8, wherein a sample platform 17 is fixedly connected to the battery frame 8, and the sample platform 17 is electrically connected with an energy regulating mechanism;
the energy source adjusting mechanism comprises a primary cell and an electrolytic cell, the primary cell is connected with the electrolytic cell in series, and the electrolytic cell is electrically connected with the sample platform 17.
The positive electrode of the primary battery is connected with the positive electrode of the electrolytic cell, the negative electrode of the electrolytic cell is connected with the negative electrode of the primary battery, a series closed loop is formed by electrolyte solution and a lead, and the battery frame 8 is made of PVC material and has the performances of bearing low voltage and insulation.
According to a further optimization scheme, the primary battery comprises a detachable low-voltage power supply 1, a detachable contact adjusting resistor 2 and a data transmitter 3 which are sequentially connected in series, the detachable low-voltage power supply 1 and the data transmitter 3 are respectively and electrically connected with a single-junction pH electrode 5, and the single-junction pH electrode 5 is electrically connected with the electrolytic cell through a solution conducting part.
Further optimizing scheme, solution switch-on portion includes electrolyte reservoir 14, and unijunction pH electrode 5 can dismantle and fix in electrolyte reservoir 14, and electrolyte reservoir 14 bottom fixedly connected with PVC arc pipe 13 one end, PVC arc pipe 13 other end and electrolytic cell fixed connection, PVC arc pipe 13, electrolyte reservoir 14 intussuseption are filled with electrolyte, and unijunction pH electrode 5 passes through electrolyte and electrolytic cell electric connection.
The single junction pH electrode 5 is fixed on a fixed cross 18, the fixed cross 18 being placed inside the electrolyte reservoir 14. The upper part of the unijunction pH electrode 5 is fixed to the fixing cross 18 by a clip, and 2/3 of the lower part of the unijunction pH electrode 5 is immersed in the electrolyte. The PVC arc-shaped conduit 13 has the characteristics of insulation and good corrosion resistance, and can prolong the service life of the test device.
In a further preferred embodiment, the data transmitter 3 is electrically connected to the PC terminal.
The data transmitter 3 feeds back the pH value of electrolyte and the applied voltage value in the electrolysis process, the detachable low-voltage power supply 1 is used for providing voltage, and the detachable contact adjusting resistor 2 is used for adjusting the voltage.
Further optimizing scheme, electrolyte reservoir 14 lateral wall is provided with gradient scale 4, and one electrolyte reservoir 14 lateral wall intercommunication has outlet pipe 6, inlet tube 7, and outlet pipe 6 is located inlet tube 7 top, and another electrolyte reservoir 14 lateral wall intercommunication has outlet pipe 6.
The inlet tube 7 is located the end position of gradient scale 4, pours into electrolyte through inlet tube 7, places the beaker in two outlet pipes 6 department to avoid electrolyte to spill over the pollution test bench, inlet tube 7 sets up in outlet pipe 6 below, ensures that electrolyte is beyond 2/3 of electrolyte reservoir 14.
The gradient scale 4 ensures that the electrolyte gradients in the two electrolyte reservoirs 14 are the same, and experimental errors caused by electrolyte gradient differences are eliminated.
Further optimizing scheme, the electrolytic cell includes power generator 10, scanning function generator 11, solid-state generator 12 that establish ties in proper order, power generator 10 electric connection has porous bronze electrode 15, porous bronze electrode 15 and sample platform 17 electric connection, PVC arc pipe 13 tip and porous bronze electrode 15 fixed connection, a unijunction pH electrode 5 passes through electrolyte and porous bronze electrode 15 electric connection, solid-state generator 12 electric connection has porous stainless steel electrode 16, porous stainless steel electrode 16 and sample platform 17 electric connection, PVC arc pipe 13 tip and porous stainless steel electrode 16 fixed connection, a unijunction pH electrode 5 passes through electrolyte and porous stainless steel electrode 16 electric connection.
The porous bronze electrode 15 is used as a cathode, the porous stainless steel electrode 16 is used as an anode, the porous bronze electrode 15 and the porous stainless steel electrode 16 are fixed on the battery PVC frame 19, and the battery PVC frame 19 is connected with the sample platform 17 through the fixing bolts 9.
The power generator 10, the sweep function generator 11 controls the test frequency, and the solid state generator 12 causes the lower part of the alternating current to be eliminated, instead of a zero current.
According to a further optimization scheme, a plurality of bolt holes 20 are formed in the edge of the porous bronze electrode 15, the bolt holes 20 are arranged at equal intervals along the circumferential direction of the porous bronze electrode 15, a connecting groove 21 is formed in one side, close to the sample platform 17, of the porous bronze electrode 15, and a porous bronze electrode permeation layer 22 is arranged in the middle of the porous bronze electrode 15.
The porous stainless steel electrode 16 has the same structure as the porous bronze electrode 15, except that a porous stainless steel electrode permeation layer 23 is provided in the middle of the porous stainless steel electrode 16.
The surface of the porous stainless steel electrode 16 is passivated, so that electrochemical corrosion is prevented, and the permeability is good; the porous bronze electrode 15 adopts a porous inert electrode, the permeability is good, the porous bronze electrode 15 and the porous stainless steel electrode 16 are both made of round materials, and the connecting groove 21 is arranged to ensure tight connection with the sample platform 17.
Except for electrode materials, other materials contacting electrolyte are PVC materials or glass materials, so that electrochemical corrosion is prevented, and the device has insulating performance.
The working procedure of this embodiment is as follows:
a test sample is taken and mounted on a sample platform 17, the fixed sample platform 17 is fixed on a battery frame 8 through a fixing bolt 9 and a connecting groove 21, and the sample platform is arranged between a porous bronze electrode 15 and a porous stainless steel electrode 16; placing beakers at the tail ends of the two water outlet pipes 6 to prevent electrolyte from overflowing to pollute the test bed, selecting proper electrolyte, opening a valve at the water inlet pipe 7, applying pressure to inject the electrolyte into the electrolyte reservoir 14 until the electrolyte just overflows from the water outlet pipes 6, closing the valve at the water inlet pipe 7, horizontally observing and recording the numerical value of the gradient scale 4 corresponding to the concave liquid level of the electrolyte, and ensuring that the liquid levels at the two sides are positioned at the same scale within the error allowable range; the assembly equipment completes the installation and connection of equipment such as a detachable low-voltage power supply 1, a detachable contact adjusting resistor 2, a data transmitter 3, a power generator 10, a scanning function generator 11, a solid-state generator 12, a single junction pH electrode 5 and the like, so that the equipment can work normally; zeroing after instrument debugging is carried out, so that the instruments can work normally; setting the resistance value of the detachable contact adjusting resistor 2 according to test conditions, setting the fixed voltage required by the test, adjusting the power generator 10 to ensure that the frequency required by the test is reached, adjusting the scanning function generator 11 and the solid state generator 12 to eliminate the lower part of alternating current and to replace the alternating current with zero current, and formally starting the test after completing the equipment adjustment; formally starting the test, wherein clay particles carry negative charges, electrolyte flows from an anode to a cathode after the battery starts working, a large amount of hydrogen ions are generated by anode electrolysis in a closed loop of an electrolytic cell, a large amount of hydroxyl ions are generated by the cathode, the clay particles are electrolyzed, negatively charged, the cathode repels, and the anode attracts, so that the cleaning of mud cakes is completed; and (3) ending the test according to the set time, recording various data when the test is ended, cleaning the test device, observing the electrolysis condition of the sample, and completing the test.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (4)
1. The test device for reducing the cohesive soil adhesiveness by an electroosmosis method is characterized by comprising a battery frame (8), wherein a sample platform (17) is fixedly connected to the battery frame (8), and the sample platform (17) is electrically connected with an energy regulating mechanism;
the energy source adjusting mechanism comprises a primary battery and an electrolytic cell, the primary battery is connected with the electrolytic cell in series, and the electrolytic cell is electrically connected with the sample platform (17);
the primary battery comprises a detachable low-voltage power supply (1), a detachable contact adjusting resistor (2) and a data transmitter (3) which are sequentially connected in series, wherein the detachable low-voltage power supply (1) and the data transmitter (3) are respectively and electrically connected with a single-junction pH electrode (5), and the single-junction pH electrode (5) is connected with the electrolysis Chi Dianxing through a solution conducting part;
the solution conducting part comprises an electrolyte reservoir (14), the unijunction pH electrode (5) is detachably fixed in the electrolyte reservoir (14), one end of a PVC arc-shaped conduit (13) is fixedly connected to the bottom end of the electrolyte reservoir (14), the other end of the PVC arc-shaped conduit (13) is fixedly connected with the electrolytic cell, electrolyte is filled in the PVC arc-shaped conduit (13) and the electrolyte reservoir (14), and the unijunction pH electrode (5) is connected with the electrolyte Chi Dianxing through the electrolyte;
the electrolytic cell comprises a power generator (10), a scanning function generator (11) and a solid-state generator (12) which are sequentially connected in series, wherein the power generator (10) is electrically connected with a porous bronze electrode (15), the porous bronze electrode (15) is electrically connected with a sample platform (17), the end part of a PVC arc-shaped catheter (13) is fixedly connected with the porous bronze electrode (15), one single-junction pH electrode (5) is electrically connected with the porous bronze electrode (15) through electrolyte, the solid-state generator (12) is electrically connected with a porous stainless steel electrode (16), the porous stainless steel electrode (16) is electrically connected with the sample platform (17), and the end part of the PVC arc-shaped catheter (13) is fixedly connected with the porous stainless steel electrode (16), and one single-junction pH electrode (5) is electrically connected with the porous stainless steel electrode (16) through electrolyte.
2. The device for testing the electroosmosis process for reducing the adhesion of cohesive soil according to claim 1, wherein the data transmitter (3) is electrically connected to a PC terminal.
3. The test device for reducing cohesive soil adhesiveness by electroosmosis according to claim 1, wherein a gradient scale (4) is arranged on the outer side wall of the electrolyte reservoir (14), one side wall of the electrolyte reservoir (14) is communicated with a water outlet pipe (6) and a water inlet pipe (7), the water outlet pipe (6) is positioned above the water inlet pipe (7), and the other side wall of the electrolyte reservoir (14) is communicated with the water outlet pipe (6).
4. The test device for reducing cohesive soil adhesion by electroosmosis according to claim 1, wherein a plurality of bolt holes (20) are formed in the edge of the porous bronze electrode (15), the bolt holes (20) are arranged at equal intervals along the circumferential direction of the porous bronze electrode (15), a connecting groove (21) is formed in one side, close to the sample platform (17), of the porous bronze electrode (15), and a porous bronze electrode permeable layer (22) is arranged in the middle of the porous bronze electrode (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310226078.4A CN116203103B (en) | 2023-03-10 | 2023-03-10 | Test device for reducing cohesive soil adhesiveness by electroosmosis method |
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| CN202310226078.4A CN116203103B (en) | 2023-03-10 | 2023-03-10 | Test device for reducing cohesive soil adhesiveness by electroosmosis method |
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| CN116203103B true CN116203103B (en) | 2023-11-03 |
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| CN116907894A (en) * | 2023-07-18 | 2023-10-20 | 中国矿业大学 | Mud cake removal test device and method for electroosmotic flow method for shield |
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