CN114878434A - Single-crack grouting seepage visual test method with variable width and roughness - Google Patents
Single-crack grouting seepage visual test method with variable width and roughness Download PDFInfo
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- 230000000007 visual effect Effects 0.000 title claims abstract description 57
- 238000010998 test method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000002002 slurry Substances 0.000 claims abstract description 121
- 238000002347 injection Methods 0.000 claims abstract description 101
- 239000007924 injection Substances 0.000 claims abstract description 101
- 238000012360 testing method Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 44
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 54
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- 239000010959 steel Substances 0.000 claims description 45
- 238000007569 slipcasting Methods 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 239000011440 grout Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 14
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- 238000010168 coupling process Methods 0.000 claims description 8
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- 239000011435 rock Substances 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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Abstract
A single-crack grouting seepage visual test method with variable width and roughness specifically comprises the following steps: designing a visual test system for simulating multi-type single-fracture grouting seepage, which comprises a water injection device, a constant-pressure gas injection device, a slurry tank, a visual single-fracture seepage device, a rotary bearing device and a computer; adding the slurry prepared according to the requirement into a slurry tank; thirdly, building a visual single-crack seepage device on the rotary bearing device according to the test requirements; adjusting the inclination angle of the visual single-crack seepage device; injecting the slurry into a visual single-fracture seepage device, and observing and researching the migration process of the slurry; and (VI) cleaning the whole system after the test is finished. The method can truly and accurately simulate the migration evolution process of the slurry in the rock stratum fracture, more intuitively observe the whole process of grouting and filling the fracture, and provide a platform for researching the mechanism of grouting and plugging the rock stratum fracture.
Description
Technical Field
The invention relates to the technical field of engineering fluid mechanics tests, in particular to a single-crack grouting seepage visual test method with variable width and roughness.
Background
In mineral engineering, especially coal mining, under mining stress of a mining coal seam, even under superimposed stress of multi-coal seam mining, problems of mine pressure, gas, water burst and the like which accord with dynamic disasters are often caused. And the grouting has the functions of filling, reinforcing and permeability reducing. The high-pressure grouting is carried out on the broken rock mass in the coal seam overlying strata, and the cracks and the holes in the strata are subjected to grouting filling to form a firmer key layer, so that on one hand, harmful gas, water flow and the like from the upper part of the strata can be blocked, on the other hand, the rock cracks can be filled from the microcosmic aspect, the strength and the stability of the strata are improved, the working resistance of a support below is reduced, and the long-term stability of a roadway is realized.
However, in the current construction, the development state of the rock stratum fracture, the selection of grouting raw materials and the proportion of grout can greatly influence the grouting effect in the actual engineering, and the careless grouting can also aggravate the development of the rock stratum fracture, so that the collapse of a mine can be caused.
Disclosure of Invention
The invention aims to provide a visual test method for single-crack grouting seepage with variable width and roughness.
In order to achieve the purpose, the invention adopts the following technical scheme:
a single crack grouting seepage visual test method with variable width and roughness specifically comprises the following steps:
(I), design a visual test system of simulation polymorphic type single crack slip casting seepage flow, this visual test system of simulation polymorphic type single crack slip casting seepage flow includes water injection device, constant voltage gas injection device, thick liquid jar, visual single crack seepage flow device, rotatory bearing device and computer, the top of thick liquid jar is provided with water filling port and gas injection mouth, lateral wall upper lateral part of thick liquid jar is provided with the thick liquid entry that takes the sealed lid, the bottom of thick liquid jar is provided with the thick liquid export, the delivery port of water injection device and the water filling port of thick liquid jar pass through the water injection union coupling, the gas outlet of constant voltage gas injection device and the gas injection mouth of thick liquid jar pass through the gas injection union coupling, be provided with agitating unit in the thick liquid jar, visual single crack seepage flow device is installed on rotatory bearing device, the thick liquid export of thick liquid jar and the slip casting mouth of visual single crack seepage flow device pass through the slip casting union coupling, a grouting valve, a slurry flow meter and a grouting pressure gauge are sequentially arranged on the grouting pipe along the liquid flowing direction, and the computer is respectively in signal connection with the visual single-crack seepage device, the slurry flow meter and the grouting pressure gauge;
adding the slurry prepared according to the requirement into a slurry tank, and uniformly stirring by a stirring device;
thirdly, building a visual single-crack seepage device on the rotary bearing device according to the test requirements;
adjusting the inclination angle of the visual single-crack seepage device through the rotary bearing device;
injecting gas into the slurry tank through a constant-pressure gas injection device, so that the slurry in the slurry tank is injected into the visual single-crack seepage device, and observing and researching the migration process of the slurry;
and (VI) after the test is completed, cleaning the whole system through a water injection device and a constant-pressure gas injection device, so that the next test is facilitated.
The water injection device comprises a water tank, a water injection pump, a liquid flowmeter and a liquid pressure regulating valve, wherein a water outlet of the water tank is connected with a water inlet of the water injection pump through a water pumping pipe, a water outlet of the water injection pump is connected with a water injection port of the slurry tank through a water injection pipe, the liquid flowmeter and the liquid pressure regulating valve are sequentially arranged on the water injection pipe along the liquid flowing direction, and a computer is respectively in signal connection with the liquid flowmeter and the liquid pressure regulating valve.
The constant-pressure gas injection device comprises a gas pump, a pressure stabilizer, a gas flowmeter and a gas pressure regulating valve, wherein a gas outlet of the gas pump is connected with a gas injection port of the slurry tank through a gas injection pipe, the pressure stabilizer, the gas flowmeter and the gas pressure regulating valve are sequentially arranged on the gas injection pipe along the gas flowing direction, and a computer is respectively in signal connection with the gas flowmeter and the gas pressure regulating valve.
The visual single-crack seepage device comprises an acrylic cuboid block and a plurality of acrylic elongated plates, wherein the acrylic cuboid block is horizontally arranged along the left-right direction, a cuboid crack channel which is transparent left and right is arranged in the middle of the acrylic cuboid block along the left-right direction, a plurality of clamping strips which are arranged at intervals front and back are uniformly formed on the front side part and the back side part of the left end of the inner upper surface and the lower surface of the cuboid crack channel and the front side part and the back side part of the right end of the inner upper surface and the lower surface of the cuboid crack channel, each clamping strip on the front side and each clamping strip on the back side are respectively arranged in a one-to-one correspondence front-to-back symmetry manner, a clamping groove for splicing the acrylic elongated plates is formed between every two adjacent clamping strips, the height of the acrylic elongated plates is the same as that of the cuboid crack channel, each acrylic elongated plate is vertically and correspondingly inserted into each corresponding clamping groove left and right in the cuboid crack channel along the left-right direction, the lower surface middle part of the rectangular block of ya keli is seted up a plurality of and is controlled the interval setting and with the first through-hole of cuboid crack passageway intercommunication, screw interface is all installed in each first through-hole department, the screw interface connection that is left most has the thick liquid valve of arranging, pass through slip casting union coupling between the screw interface on the most right side and the thick liquid export of thick liquid jar, each screw interface connection in the middle has sampling valve or pressure sensor, the computer respectively with each pressure sensor signal connection.
The rotary bearing device comprises a rectangular steel frame, a bearing platform and a rotary disk, wherein the rectangular steel frame is horizontally arranged, the rectangular steel frame is formed by welding four square steel pipes end to end, the periphery of the bottom of the rectangular steel frame is fixedly supported on the ground through upright posts, the bearing platform is horizontally arranged in the rectangular steel frame and is a steel plate, the middle part of the front side and the middle part of the rear side of the bearing platform are both connected with rotating shafts horizontally arranged along the front and rear directions, the rotating shaft of the front side is rotatably connected to the steel pipe on the front side of the rectangular steel frame, the rotating shaft of the rear side is rotatably connected to the steel pipe on the rear side of the rectangular steel frame, the front end of the rotating shaft of the front side penetrates through the steel pipe on the front side of the rectangular steel frame, the rotary disk is vertically arranged along the left and right directions, the center of the rear side of the rotary disk is fixedly connected to the front end of the rotating shaft on the front side, angle scale lines are carved on the front side of the rotary disk, and a plurality of angle positioning holes are formed in a circumferential array on the rotary disk, the central angle between two adjacent angle locating holes is the same with the unit angle of angle scale mark, set up two on the front side steel pipe of rectangular steel frame and control the bolt hole that the interval and front and back penetrating set up, left bolt hole corresponds about with left locating hole, the bolt hole on right side corresponds about with the locating hole on right side, all peg graft in the locating hole on left side and right side and have the locating pin, two locating pins correspond respectively and insert two bolt holes, the middle part of plummer is the downwardly concave integrated into one piece have with the cuboid recess that ya keli cuboid block shape is the same, the cuboid block of ya keli inlays and establishes in the cuboid recess, the second through-hole of a plurality of and the upper and lower one-to-one of each first through-hole is seted up at the tank bottom middle part of cuboid recess, each screw interface corresponds respectively downwards passes each second through-hole.
The step (II) is specifically as follows: and opening the sealing cover, adding the slurry configured as required into the slurry tank through the slurry filling port, starting the stirring device to stir the slurry, preventing the slurry from depositing, starting the air pump, and setting the gas injection pressure to be higher than the required grouting pressure through the gas pressure regulating valve.
The step (III) is specifically as follows: selecting a corresponding number of acrylic strip plates according to the width of a crack required by a test, pasting a plurality of alloy sheets which are spaced from left to right on one side surface of the corresponding acrylic strip plate according to the roughness of the crack required by the test, forming protrusions with equal intervals for simulating rough cracks, and sequentially inserting the selected acrylic strip plates into corresponding clamping grooves corresponding to left and right in a cuboid crack channel from front and back sides of the cuboid crack channel in a middle arrangement mode to form the crack required by the test, wherein the one side surface of the acrylic strip plate pasted with the alloy sheets is used as the side surface of the right end of the crack, the left end and the right end of the cuboid crack channel are sealed by rubber films at the left end and the right end of the acrylic cuboid block, and the acrylic cuboid block is embedded in a cuboid groove at the middle part of a bearing table, and all the screw interfaces respectively penetrate through the second through holes one by one, then the screw interface at the leftmost side is connected with the slurry discharge valve, the screw interface at the rightmost side is connected with the slurry outlet of the slurry tank through a slurry injection pipe, and each screw interface in the middle is connected with a sampling valve or a pressure sensor according to the test requirement.
The step (IV) is specifically as follows: rotate the rotary disk to required angle, make the loading board drive the rectangular block of ya keli and rotate and transfer to required angle, use two locating pins to peg graft respectively in the locating hole on left side and right side again to two locating pins correspond respectively and insert two bolt holes, fix the rotary disk, so that carry out the crack seepage flow test under the different inclination.
The step (V) is specifically as follows: opening a grouting valve and a slurry discharging valve, injecting the slurry in a slurry tank into a crack in an acrylic rectangular block through a grouting pipe under the action of grouting pressure, carrying out seepage migration of the slurry in the crack from right to left, and discharging the slurry from the crack through the slurry discharging valve, so that the migration process of the slurry can be observed, if the pressure of the slurry in the seepage migration process needs to be measured, each screw interface in the middle is connected with a pressure sensor, a computer is respectively in signal connection with each pressure sensor, each pressure sensor can be used for monitoring the pressure value of the slurry in the seepage migration process in real time, a slurry flowmeter is used for monitoring the flow of the slurry in real time, the computer is used for analyzing and processing the pressure value and the flow of the slurry in the seepage migration process, further the pressure change rule of the slurry in the seepage migration process is measured, and if the slurry needs to be sampled, then each screw interface in the middle just connects the sampling valve, through the sampling valve take a sample can, wherein can make the gas pressure stable in the thick liquid jar keep at the gas injection pressure of settlement through stabiliser and gaseous air-vent valve to realize constant pressure slip casting function in the test process.
The step (six) is specifically as follows: after the test is finished, the grouting valve and the air pump are closed, the water injection pump is started, the water in the water tank is injected into the grout tank through the water injection pipe by the water injection pump, then the water injection pump is closed, the stirring device stirs clean water to further clean the inside of the grout tank, the grouting valve and the air pump are opened again, the clean water in the grout tank is injected into the cracks in the acrylic cuboid block through the grouting pipe and is completely discharged through the grout discharge valve, meanwhile, the air pump also blows out all the residual clean water in the grouting pipe, the influence on the grout composition in the next grouting test is avoided, the clean water can clean the grouting pipe and the inside of the cracks in the flowing process of the grouting pipe and the cracks, then the grouting valve and the air pump are closed again, the water injection pump is started, the water in the water tank is injected into the grout tank through the water injection pipe by the water injection pump, then the water injection pump is closed, the stirring device stirs the clean water to further clean the inside of the grout tank, and then opening the grouting valve and the air pump, injecting clear water in the grout tank into the cracks in the acrylic cuboid block through the grouting pipe and discharging all clear water through the grout discharging valve, and simultaneously blowing out all the residual clear water in the grouting pipe by the air pump, so that the influence on grout components in the next grouting test is avoided, and the clear water can clean the grouting pipe and the cracks in the flowing process in the grouting pipe and the cracks, so that the operation is repeated for many times, the whole system is cleaned, and the next test is facilitated.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following beneficial effects:
(1) the invention can realize the fracture grouting process under different widths and different roughness and the visual detection of the whole process of the dynamic migration of the slurry, thereby exploring and analyzing the migration evolution law of the slurry in the fractures under different working conditions and obtaining a large amount of grouting seepage simulation test data;
(2) the method can be used for researching the coagulation and deposition rules of slurries with different materials and different proportions in the flowing process, and can provide effective and reliable parameters for numerical simulation of the engineering problems;
(3) the test has low cost, short period, simple operation of the test system and small workload, can save a large amount of manpower and material resources, can truly and accurately simulate the migration evolution process of the slurry in the rock stratum fracture, has a test result closer to the actual engineering than numerical simulation, can more intuitively observe the whole process of grouting and filling the fracture, and provides a platform for researching the mechanism of grouting and plugging the rock stratum fracture.
Drawings
FIG. 1 is a schematic diagram of a multi-type single fracture grouting seepage simulation visualization test system according to the present invention.
FIG. 2 is an isometric schematic view of a visual single fracture seepage device of the present invention.
Fig. 3 is a schematic bottom view of a visual single fracture seepage device of the present invention.
Fig. 4 is a left side view of the visual single fracture seepage device of the present invention.
Fig. 5 is a schematic structural view of the acrylic strip plate without gold flakes adhered thereto according to the present invention.
Fig. 6 is a schematic structural view of an acryl strip plate to which an alloy sheet is attached according to the present invention.
Figure 7 is a front view of the rotary carrier of the present invention.
Figure 8 is a top view of the rotational bearing of the present invention assembled with an acrylic cuboid block.
Fig. 9 is a sectional view taken along line a-a in fig. 8.
Detailed Description
The embodiments of the present invention are further described below with reference to the drawings.
As shown in fig. 1 to 9, a single crack grouting seepage visual test method with variable width and roughness specifically comprises the following steps:
(I), design a simulation polymorphic type single crack slip casting seepage visual test system, this simulation polymorphic type single crack slip casting seepage visual test system includes water injection device, constant voltage gas injection device, thick liquid jar 1, visual single crack seepage device 37, rotatory load-bearing device and computer 2, the top of thick liquid jar 1 is provided with water filling port 3 and gas injection mouth 4, lateral wall upper lateral part of thick liquid jar 1 is provided with the thick liquid entry 5 of taking the sealed lid, the bottom of thick liquid jar 1 is provided with thick liquid export 6, the delivery port of water injection device is connected through water filling pipe 7 with the water filling port 3 of thick liquid jar 1, the gas outlet of constant voltage gas injection device is connected through gas injection pipe 8 with the gas injection mouth 4 of thick liquid jar 1, be provided with agitating unit 9 in the thick liquid jar 1, visual single crack seepage device 37 is installed on rotatory load-bearing device, the thick liquid export 6 of thick liquid jar 1 is connected through slip casting pipe 10 with the slip casting mouth of visual single crack seepage device 37, a grouting valve 11, a slurry flowmeter 12 and a grouting pressure gauge 13 are sequentially arranged on the grouting pipe 10 along the liquid flowing direction, and the computer 2 is respectively in signal connection with the visual single-crack seepage device 37, the slurry flowmeter 12 and the grouting pressure gauge 13;
adding the slurry prepared according to the requirement into the slurry tank 1, and uniformly stirring by a stirring device 9;
thirdly, building a visual single-crack seepage device 37 on the rotary bearing device according to the test requirements;
fourthly, adjusting the inclination angle of the visual single-fracture seepage device 37 through a rotary bearing device;
injecting gas into the slurry tank 1 through a constant-pressure gas injection device, so that the slurry in the slurry tank 1 is injected into the visual single-crack seepage device 37, and observing and researching the migration process of the slurry;
and (VI) after the test is completed, cleaning the whole system through a water injection device and a constant-pressure gas injection device, so that the next test is facilitated.
The water injection device comprises a water tank 14, a water injection pump 15, a liquid flowmeter 16 and a liquid pressure regulating valve 17, wherein a water outlet of the water tank 14 is connected with a water inlet of the water injection pump 15 through a water pumping pipe 18, a water outlet of the water injection pump 15 is connected with a water injection port 3 of the slurry tank 1 through a water injection pipe 7, the liquid flowmeter 16 and the liquid pressure regulating valve 17 are sequentially arranged on the water injection pipe 7 along the liquid flowing direction, and the computer 2 is respectively in signal connection with the liquid flowmeter 16 and the liquid pressure regulating valve 17.
The constant-pressure gas injection device comprises a gas pump 19, a pressure stabilizer 20, a gas flowmeter 21 and a gas pressure regulating valve 22, wherein a gas outlet of the gas pump 19 is connected with a gas injection port 4 of the slurry tank 1 through a gas injection pipe 8, the pressure stabilizer 20, the gas flowmeter 21 and the gas pressure regulating valve 22 are sequentially arranged on the gas injection pipe 8 along the gas flow direction, and the computer 2 is respectively in signal connection with the gas flowmeter 21 and the gas pressure regulating valve 22.
The visual single-crack seepage device 37 comprises an acrylic cuboid block 23 and a plurality of acrylic strip plates 24, wherein the acrylic cuboid block 23 is horizontally arranged along the left-right direction, a cuboid crack channel 25 which is through left and right is arranged in the middle of the acrylic cuboid block 23 along the left-right direction, a plurality of clamping strips 26 which are arranged at intervals are uniformly formed on the front side part and the rear side part of the left end of the inner upper surface and the lower surface of the cuboid crack channel 25 and the front side part and the rear side part of the right end of the inner upper surface and the lower surface of the cuboid crack channel 25, each clamping strip 26 on the front side and each clamping strip 26 on the rear side are respectively arranged in a one-to-one correspondence and front-to-back symmetry manner, a clamping groove for inserting the acrylic strip plate 24 is formed between two adjacent clamping strips 26, the height of the acrylic strip plate 24 is the same as that of the cuboid crack channel 25, each acrylic strip plate 24 is respectively inserted into each corresponding clamping groove in the cuboid crack channel 25 along the left-right direction in a vertical correspondence manner, the rectangular body block 23 of ya keli's lower surface middle part is seted up a plurality of and is controlled the interval setting and with the first through-hole 27 of cuboid crack passageway 25 intercommunication, screw interface is all installed in each first through-hole 27 department, the screw interface connection that is leftmost has the thick liquid valve of arranging, be connected through slip casting pipe 10 between the screw interface that is rightmost and the thick liquid export 6 of thick liquid jar 1, each screw interface connection in the middle of has sampling valve or pressure sensor, computer 2 respectively with each pressure sensor signal connection.
The rotary bearing device comprises a rectangular steel frame 28, a bearing table 29 and a rotary disc 30, wherein the rectangular steel frame 28 is horizontally arranged, the rectangular steel frame 28 is formed by welding four square steel pipes end to end, the periphery of the bottom of the rectangular steel frame 28 is fixedly supported on the ground through upright posts 31, the bearing table 29 is horizontally arranged in the rectangular steel frame 28, the bearing table 29 is a steel plate, the middle part of the front side edge and the middle part of the rear side edge of the bearing table 29 are both connected with rotating shafts 32 horizontally arranged along the front-rear direction, the rotating shafts 32 of the front side are rotatably connected on the front side steel pipes of the rectangular steel frame 28, the rotating shafts 32 of the rear side are rotatably connected on the rear side steel pipes of the rectangular steel frame 28, the front ends of the rotating shafts 32 of the front side penetrate through the front side steel pipes of the rectangular steel frame 28, the rotary disc 30 is vertically arranged along the left-right direction, the center of the rear side surface of the rotary disc 30 is fixedly connected at the front ends of the rotating shafts 32 of the front side, an angle scale mark 33 is carved on the front side surface of the rotating disc 30, a plurality of angle positioning holes 34 arranged in a circumferential array are arranged on the rotating disc 30, the central angle between two adjacent angle positioning holes 34 is the same as the unit angle of the angle scale mark 33, two bolt holes which are arranged at left and right intervals and are through in the front and back are arranged on a steel pipe on the front side of the rectangular steel frame 28, the bolt hole on the left side corresponds to the positioning hole on the left side in the left and right sides, the bolt hole on the right side corresponds to the positioning hole on the right side in the left and right sides, positioning pins 35 are inserted into the positioning holes on the left and right sides respectively, two positioning pins 35 are inserted into the two bolt holes respectively, a rectangular groove which is the same as the acrylic rectangular block 23 in shape is integrally formed in the middle of the bearing table 29 in a downward concave manner, the acrylic rectangular block 23 is embedded into the rectangular groove, a plurality of second through holes 36 which are one-to-one corresponding to-one from top to-bottom of each first through hole 27 are arranged in the middle of the rectangular groove, the screw ports respectively penetrate through the second through holes 36 one by one.
The step (II) is specifically as follows: the sealing cover is opened, the slurry prepared according to the requirement is added into the slurry tank 1 through the slurry filling port 5, the stirring device 9 is started to stir the slurry to prevent the slurry from depositing, the air pump 19 is started, and the air injection pressure is set to be higher than the required grouting pressure through the air pressure regulating valve 22.
The step (III) is specifically as follows: selecting a corresponding number of acrylic strip plates 24 according to the crack width required by the test, pasting a plurality of alloy sheets 38 which are spaced from left to right on one side surface of the corresponding acrylic strip plate 24 according to the crack roughness required by the test, forming protrusions with equal intervals for simulating rough cracks, and sequentially inserting the selected acrylic strip plates 24 into corresponding slots corresponding to left and right in a cuboid crack channel 25 from the front side and the back side of the cuboid crack channel 25 to form cracks required by the test, wherein one side surface of the acrylic strip plate 24 pasted with the alloy sheets 38 is used as the side surface of the crack, and then the left end and the right end of the acrylic cuboid block 23 are wrapped with rubber films to plug the left end and the right end of the crack channel 25, then the rectangular acrylic block 23 is embedded in a rectangular groove in the middle of the bearing table 29, so that the screw ports respectively penetrate through the second through holes 36 one by one, the left screw port is connected with the slurry discharge valve, the right screw port is connected with the slurry outlet 6 of the slurry tank 1 through the slurry injection pipe 10, and the middle screw port is connected with a sampling valve or a pressure sensor according to test requirements.
The step (IV) is specifically as follows: the rotating disc 30 is rotated to a required angle, the bearing plate drives the acrylic cuboid block 23 to rotate and adjust to the required angle, and then the two positioning pins 35 are respectively inserted into the positioning holes on the left side and the right side, so that the two positioning pins 35 are respectively and correspondingly inserted into the two bolt holes, the rotating disc 30 is fixed, and therefore crack seepage tests at different inclination angles can be carried out.
The step (V) is specifically as follows: opening a grouting valve 11 and a slurry discharging valve, injecting the slurry in a slurry tank 1 into a crack in an acrylic cuboid block 23 through a grouting pipe 10 under the action of pressure injection pressure, carrying out seepage migration of the slurry in the crack from right to left, and discharging the slurry from the crack through the slurry discharging valve, so that the migration process of the slurry can be observed, if the pressure of the slurry in the seepage migration process needs to be measured, connecting each screw interface in the middle with a pressure sensor, respectively connecting a computer 2 with each pressure sensor in a signal connection mode, monitoring the pressure value of the slurry in the seepage migration process in real time by each pressure sensor, monitoring the flow of the slurry in real time by a slurry flowmeter 12, analyzing and processing the pressure value and the flow of the slurry in the seepage migration process by the computer 2, and further measuring the pressure change rule of the slurry in the seepage migration process, if need take a sample to the thick liquid, then each screw interface in the middle just connects the sampling valve, take a sample through the sampling valve can, wherein can make the stable gas pressure that keeps in the gas injection pressure of settlement in the thick liquid jar 1 through stabiliser 20 and gas air-vent valve 22 to realize constant pressure slip casting function in the experimentation.
The step (six) is specifically as follows: after the test is finished, the grouting valve 11 and the air pump 19 are closed, the water injection pump 15 is started, the water injection pump 15 injects a certain amount of clear water into the slurry tank 1 through the water injection pipe 7 by using water in the water tank 14, then the water injection pump 15 is closed, the stirring device 9 stirs the clear water to further clean the inside of the slurry tank 1, then the grouting valve 11 and the air pump 19 are opened, the clear water in the slurry tank 1 is injected into the cracks in the acrylic cuboid block 23 through the grouting pipe 10 and is completely discharged through the slurry discharge valve, meanwhile, the air pump 19 also completely blows out the residual clear water in the grouting pipe 10, the influence on the slurry components in the next grouting test is avoided, the clear water can clean the grouting pipe 10 and the inside of the cracks in the flowing process of the grouting pipe 10 and the cracks, then the grouting valve 11 and the air pump 19 are closed, the water injection pump 15 is started, the water injection pump 15 injects a certain amount of clear water into the slurry tank 1 through the water injection pipe 7 by using water in the water tank 14, then close water injection pump 15, agitating unit 9 stirs the clear water and then washs slurry tank 1 is inside, open slip casting valve 11 and air pump 19 again, inject the clear water in slurry tank 1 into the fracture in ya keli cuboid block 23 through slip casting pipe 10 and through arranging the whole discharge of thick liquid valve, air pump 19 also blows off the remaining clear water in slip casting pipe 10 is whole simultaneously, avoid influencing grout composition when slip casting is experimental next time, the clear water can be to slip casting pipe 10 and the inside washing of fracture in slip casting pipe 10 and the fracture in-process, repeat above-mentioned operation so many times, wash whole system, be convenient for next test.
The sealing cover, the screw connector, the slurry discharging valve, the sampling valve, the pressure sensor and the bolt hole are not shown in the figure, the stirring device 9 is the conventional technology, and the specific structure and the working principle are not repeated.
The fracture with the maximum width required by the test is the cuboid fracture channel 25 which is not inserted with the acrylic strip plate 24, and the width of the cavity in the cuboid fracture channel 25 can be changed by inserting different numbers of acrylic strip plates 24, so that the fractures with different widths can be obtained.
The invention has the following beneficial effects:
(1) the invention can realize the fracture grouting process under different widths and different roughness and the visual detection of the whole process of the dynamic migration of the slurry, thereby exploring and analyzing the migration evolution law of the slurry in the fractures under different working conditions and obtaining a large amount of grouting seepage simulation test data;
(2) the method can be used for researching the coagulation and deposition rules of slurries with different materials and different proportions in the flowing process, and can provide effective and reliable parameters for numerical simulation of the engineering problems;
(3) the test cost is low, the period is short, the operation of a test system is simple, the workload is small, a large amount of manpower and material resources can be saved, the migration evolution process of the slurry in the rock stratum fracture can be truly and accurately simulated through the method, the test result is closer to the actual engineering than numerical simulation, people can more visually observe the whole process of grouting and filling the fracture, and a research platform is provided for researching the mechanism of grouting and rock stratum plugging.
The above embodiments are merely to illustrate rather than to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (10)
1. A visual test method for single crack grouting seepage with variable width and roughness is characterized in that: the method specifically comprises the following steps:
(I), design a visual test system of simulation polymorphic type single crack slip casting seepage flow, this visual test system of simulation polymorphic type single crack slip casting seepage flow includes water injection device, constant voltage gas injection device, thick liquid jar, visual single crack seepage flow device, rotatory bearing device and computer, the top of thick liquid jar is provided with water filling port and gas injection mouth, lateral wall upper lateral part of thick liquid jar is provided with the thick liquid entry that takes the sealed lid, the bottom of thick liquid jar is provided with the thick liquid export, the delivery port of water injection device and the water filling port of thick liquid jar pass through the water injection union coupling, the gas outlet of constant voltage gas injection device and the gas injection mouth of thick liquid jar pass through the gas injection union coupling, be provided with agitating unit in the thick liquid jar, visual single crack seepage flow device is installed on rotatory bearing device, the thick liquid export of thick liquid jar and the slip casting mouth of visual single crack seepage flow device pass through the slip casting union coupling, a grouting valve, a slurry flow meter and a grouting pressure gauge are sequentially arranged on the grouting pipe along the liquid flowing direction, and the computer is respectively in signal connection with the visual single-crack seepage device, the slurry flow meter and the grouting pressure gauge;
adding the slurry prepared according to the requirement into a slurry tank, and uniformly stirring by a stirring device;
thirdly, building a visual single-crack seepage device on the rotary bearing device according to the test requirements;
adjusting the inclination angle of the visual single-crack seepage device through the rotary bearing device;
injecting gas into the slurry tank through a constant-pressure gas injection device, so that the slurry in the slurry tank is injected into the visual single-crack seepage device, and observing and researching the migration process of the slurry;
and (VI) after the test is completed, cleaning the whole system through a water injection device and a constant-pressure gas injection device, so that the next test is facilitated.
2. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 1, characterized in that: the water injection device comprises a water tank, a water injection pump, a liquid flowmeter and a liquid pressure regulating valve, wherein a water outlet of the water tank is connected with a water inlet of the water injection pump through a water pumping pipe, a water outlet of the water injection pump is connected with a water injection port of the slurry tank through a water injection pipe, the liquid flowmeter and the liquid pressure regulating valve are sequentially arranged on the water injection pipe along the liquid flowing direction, and a computer is respectively in signal connection with the liquid flowmeter and the liquid pressure regulating valve.
3. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 2, characterized in that: the constant-pressure gas injection device comprises a gas pump, a pressure stabilizer, a gas flowmeter and a gas pressure regulating valve, wherein a gas outlet of the gas pump is connected with a gas injection port of the slurry tank through a gas injection pipe, the pressure stabilizer, the gas flowmeter and the gas pressure regulating valve are sequentially arranged on the gas injection pipe along the gas flowing direction, and a computer is respectively in signal connection with the gas flowmeter and the gas pressure regulating valve.
4. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 3, characterized in that: the visual single-crack seepage device comprises an acrylic cuboid block and a plurality of acrylic elongated plates, wherein the acrylic cuboid block is horizontally arranged along the left-right direction, a cuboid crack channel which is transparent left and right is arranged in the middle of the acrylic cuboid block along the left-right direction, a plurality of clamping strips which are arranged at intervals front and back are uniformly formed on the front side part and the back side part of the left end of the inner upper surface and the lower surface of the cuboid crack channel and the front side part and the back side part of the right end of the inner upper surface and the lower surface of the cuboid crack channel, each clamping strip on the front side and each clamping strip on the back side are respectively arranged in a one-to-one correspondence front-to-back symmetry manner, a clamping groove for splicing the acrylic elongated plates is formed between every two adjacent clamping strips, the height of the acrylic elongated plates is the same as that of the cuboid crack channel, each acrylic elongated plate is vertically and correspondingly inserted into each corresponding clamping groove left and right in the cuboid crack channel along the left-right direction, the lower surface middle part of the rectangular block of ya keli sets up and the first through-hole that communicates with cuboid crack passageway about the interval of a plurality of, and the screw interface is all installed to each first through-hole department, and leftmost screw interface connection has the thick liquid valve of arranging, through slip casting union coupling between the screw interface on the rightmost side and the thick liquid outlet of thick liquid jar, and each screw interface connection in the middle has sampling valve or pressure sensor, the computer respectively with each pressure sensor signal connection.
5. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 4, characterized in that: the rotary bearing device comprises a rectangular steel frame, a bearing platform and a rotary disk, wherein the rectangular steel frame is horizontally arranged, the rectangular steel frame is formed by welding four square steel pipes end to end, the periphery of the bottom of the rectangular steel frame is fixedly supported on the ground through upright posts, the bearing platform is horizontally arranged in the rectangular steel frame and is a steel plate, the middle part of the front side and the middle part of the rear side of the bearing platform are both connected with rotating shafts horizontally arranged along the front and rear directions, the rotating shaft of the front side is rotatably connected to the steel pipe on the front side of the rectangular steel frame, the rotating shaft of the rear side is rotatably connected to the steel pipe on the rear side of the rectangular steel frame, the front end of the rotating shaft of the front side penetrates through the steel pipe on the front side of the rectangular steel frame, the rotary disk is vertically arranged along the left and right directions, the center of the rear side of the rotary disk is fixedly connected to the front end of the rotating shaft on the front side, angle scale lines are carved on the front side of the rotary disk, and a plurality of angle positioning holes are formed in a circumferential array on the rotary disk, the central angle between two adjacent angle locating holes is the same with the unit angle of angle scale mark, set up two on the front side steel pipe of rectangular steel frame and control the bolt hole that the interval and front and back penetrating set up, left bolt hole corresponds about with left locating hole, the bolt hole on right side corresponds about with the locating hole on right side, all peg graft in the locating hole on left side and right side and have the locating pin, two locating pins correspond respectively and insert two bolt holes, the middle part of plummer is the downwardly concave integrated into one piece have with the cuboid recess that ya keli cuboid block shape is the same, the cuboid block of ya keli inlays and establishes in the cuboid recess, the second through-hole of a plurality of and the upper and lower one-to-one of each first through-hole is seted up at the tank bottom middle part of cuboid recess, each screw interface corresponds respectively downwards passes each second through-hole.
6. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 5, characterized in that: the step (II) is specifically as follows: and opening the sealing cover, adding the slurry configured as required into the slurry tank through the slurry filling port, starting the stirring device to stir the slurry, preventing the slurry from depositing, starting the air pump, and setting the gas injection pressure to be higher than the required grouting pressure through the gas pressure regulating valve.
7. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 5, characterized in that: the step (III) is specifically as follows: selecting a corresponding number of acrylic strip plates according to the width of a crack required by a test, pasting a plurality of alloy sheets which are spaced from left to right on one side surface of the corresponding acrylic strip plate according to the roughness of the crack required by the test, forming protrusions with equal intervals for simulating rough cracks, and sequentially inserting the selected acrylic strip plates into corresponding clamping grooves corresponding to left and right in a cuboid crack channel from front and back sides of the cuboid crack channel in a middle arrangement mode to form the crack required by the test, wherein the one side surface of the acrylic strip plate pasted with the alloy sheets is used as the side surface of the right end of the crack, the left end and the right end of the cuboid crack channel are sealed by rubber films at the left end and the right end of the acrylic cuboid block, and the acrylic cuboid block is embedded in a cuboid groove at the middle part of a bearing table, and all the screw interfaces respectively penetrate through the second through holes one by one, then the screw interface at the leftmost side is connected with the slurry discharge valve, the screw interface at the rightmost side is connected with the slurry outlet of the slurry tank through a slurry injection pipe, and each screw interface in the middle is connected with a sampling valve or a pressure sensor according to the test requirement.
8. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 5, characterized in that: the step (IV) is specifically as follows: rotate the rotary disk to required angle, make the loading board drive the rectangular block of ya keli and rotate and transfer to required angle, use two locating pins to peg graft respectively in the locating hole on left side and right side again to two locating pins correspond respectively and insert two bolt holes, fix the rotary disk, so that carry out the crack seepage flow test under the different inclination.
9. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 5, characterized in that: the step (V) is specifically as follows: opening a grouting valve and a slurry discharging valve, injecting the slurry in a slurry tank into a crack in an acrylic cuboid block through a grouting pipe under the action of grouting pressure, carrying out seepage migration of the slurry in the crack from right to left, and discharging the slurry from the crack through the slurry discharging valve, so that the migration process of the slurry can be observed, if the pressure of the slurry in the seepage migration process needs to be measured, connecting each screw interface in the middle with a pressure sensor, respectively connecting a computer with each pressure sensor in a signal connection mode, monitoring the pressure value of the slurry in the seepage migration process in real time by each pressure sensor, monitoring the flow of the slurry in real time by a slurry flowmeter, analyzing and processing the pressure value and the flow of the slurry in the seepage migration process by the computer, further measuring the pressure change rule of the slurry in the seepage migration process, and sampling the slurry if necessary, then each screw interface in the middle just connects the sampling valve, through the sampling valve take a sample can, wherein can make the stable gas pressure that keeps in the plasma tank at the gas injection pressure of settlement through stabiliser and gas air-vent valve to realize the constant pressure slip casting function in the test process.
10. The single crack grouting seepage visual test method with variable width and roughness as claimed in claim 5, characterized in that: the step (six) is specifically as follows: after the test is finished, the grouting valve and the air pump are closed, the water injection pump is started, the water in the water tank is injected into the grout tank through the water injection pipe by the water injection pump, then the water injection pump is closed, the stirring device stirs clean water to further clean the inside of the grout tank, the grouting valve and the air pump are opened again, the clean water in the grout tank is injected into the cracks in the acrylic cuboid block through the grouting pipe and is completely discharged through the grout discharge valve, meanwhile, the air pump also blows out all the residual clean water in the grouting pipe, the influence on the grout composition in the next grouting test is avoided, the clean water can clean the grouting pipe and the inside of the cracks in the flowing process of the grouting pipe and the cracks, then the grouting valve and the air pump are closed again, the water injection pump is started, the water in the water tank is injected into the grout tank through the water injection pipe by the water injection pump, then the water injection pump is closed, the stirring device stirs the clean water to further clean the inside of the grout tank, and then opening the grouting valve and the air pump, injecting clear water in the grout tank into the cracks in the acrylic cuboid block through the grouting pipe and discharging all clear water through the grout discharging valve, and simultaneously blowing out all the residual clear water in the grouting pipe by the air pump, so that the influence on grout components in the next grouting test is avoided, and the clear water can clean the grouting pipe and the cracks in the flowing process in the grouting pipe and the cracks, so that the operation is repeated for many times, the whole system is cleaned, and the next test is facilitated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210549618.8A CN114878434B (en) | 2022-05-20 | 2022-05-20 | Single-crack grouting seepage visualization test method with variable width and roughness |
| SE2351091A SE2351091A1 (en) | 2022-05-20 | 2023-03-24 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
| PCT/CN2023/083806 WO2023160725A1 (en) | 2022-05-20 | 2023-03-24 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
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| CN202210549618.8A CN114878434B (en) | 2022-05-20 | 2022-05-20 | Single-crack grouting seepage visualization test method with variable width and roughness |
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| CN114878434B CN114878434B (en) | 2023-06-30 |
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| CN (1) | CN114878434B (en) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539813A (en) * | 2023-05-25 | 2023-08-04 | 西南石油大学 | Wall roughness adjustable fissure medium microorganism mineralization shutoff model and device |
| WO2023160725A1 (en) * | 2022-05-20 | 2023-08-31 | 河南理工大学 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411751A (en) * | 2013-08-13 | 2013-11-27 | 中国科学院武汉岩土力学研究所 | Visual intersected fracture flowing water grouting test device and method |
| CN103954432A (en) * | 2014-04-30 | 2014-07-30 | 山东大学 | Variable-dip-angle simulated fracture grouting model test platform |
| CN203881511U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Simulated crack grouting model test platform with variable inclination angle |
| CN109342275A (en) * | 2018-12-07 | 2019-02-15 | 中煤科工集团西安研究院有限公司 | Simulate the visualization crack grouting experimental rig and method of more master variables |
| CN109441441A (en) * | 2018-11-15 | 2019-03-08 | 华北科技学院 | Seat earth multi-angle oblique bored grouting Analog Experiment for Discharges device and method under a kind of pressure-bearing influence of dynamic water |
| CN111257538A (en) * | 2020-02-20 | 2020-06-09 | 武汉大学 | Fractured rock mass grouting simulation visualization test system and method considering stress effect |
| CN111595551A (en) * | 2020-05-12 | 2020-08-28 | 中国矿业大学 | Pressure-bearing fracture aquifer visual grouting water-displacement experimental device and method |
| CN111811995A (en) * | 2020-07-17 | 2020-10-23 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN112147041A (en) * | 2020-08-25 | 2020-12-29 | 同济大学 | Constant-pressure control coarse crack double-liquid grouting diffusion visual test device |
| CN114112840A (en) * | 2021-11-17 | 2022-03-01 | 中国地质大学（武汉） | Test device and method for researching pore-fracture dual-medium seepage characteristics |
| CN114486641A (en) * | 2022-01-09 | 2022-05-13 | 三峡大学 | Magnetic slurry crack grouting and filling experimental device and method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5390539A (en) * | 1992-09-25 | 1995-02-21 | Modern Controls, Inc. | Device for measuring the permeability of a membrane to water vapor |
| US8216517B2 (en) * | 2009-03-30 | 2012-07-10 | General Electric Company | System and method for monitoring an integrated system |
| CN108051351B (en) * | 2017-11-24 | 2019-06-07 | 中国矿业大学 | A kind of loose media osmotic grouting simulation experiment method |
| CN107956482B (en) * | 2017-12-23 | 2024-03-01 | 哈尔滨工业大学 | Deicing, grouting and crack-stopping system and method for tunnel surrounding rock cracks in quaternary frozen area |
| CN109307755B (en) * | 2018-10-25 | 2021-06-01 | 中国石油天然气股份有限公司 | Physical simulation experiment device and method for gas reservoir water invasion and water drainage gas production |
| CN210264666U (en) * | 2019-07-05 | 2020-04-07 | 中海石油(中国)有限公司上海分公司 | Shearing resistance testing device for self-suspending proppant |
| CN211274500U (en) * | 2019-12-04 | 2020-08-18 | 贵州五轮山煤业有限公司 | Mining layered automatic stirring slurry barrel |
| CN111521533A (en) * | 2020-01-19 | 2020-08-11 | 广州市建筑科学研究院有限公司 | Device and method for researching flow rule of pile side grouting liquid of pipe-following pile while drilling |
| CN111579424B (en) * | 2020-06-03 | 2021-06-04 | 大连理工大学 | Device and method for measuring gas solubility in natural gas hydrate solution system |
| CN217304700U (en) * | 2022-05-20 | 2022-08-26 | 河南理工大学 | Multifunctional rock mass fracture grouting test device |
| CN217304821U (en) * | 2022-05-20 | 2022-08-26 | 河南理工大学 | Visual test system for simulating multi-type single-crack grouting seepage |
| CN114878434B (en) * | 2022-05-20 | 2023-06-30 | 河南理工大学 | Single-crack grouting seepage visualization test method with variable width and roughness |
-
2022
- 2022-05-20 CN CN202210549618.8A patent/CN114878434B/en active Active
-
2023
- 2023-03-24 SE SE2351091A patent/SE2351091A1/en unknown
- 2023-03-24 WO PCT/CN2023/083806 patent/WO2023160725A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411751A (en) * | 2013-08-13 | 2013-11-27 | 中国科学院武汉岩土力学研究所 | Visual intersected fracture flowing water grouting test device and method |
| CN103954432A (en) * | 2014-04-30 | 2014-07-30 | 山东大学 | Variable-dip-angle simulated fracture grouting model test platform |
| CN203881511U (en) * | 2014-04-30 | 2014-10-15 | 山东大学 | Simulated crack grouting model test platform with variable inclination angle |
| CN109441441A (en) * | 2018-11-15 | 2019-03-08 | 华北科技学院 | Seat earth multi-angle oblique bored grouting Analog Experiment for Discharges device and method under a kind of pressure-bearing influence of dynamic water |
| CN109342275A (en) * | 2018-12-07 | 2019-02-15 | 中煤科工集团西安研究院有限公司 | Simulate the visualization crack grouting experimental rig and method of more master variables |
| CN111257538A (en) * | 2020-02-20 | 2020-06-09 | 武汉大学 | Fractured rock mass grouting simulation visualization test system and method considering stress effect |
| CN111983197A (en) * | 2020-02-20 | 2020-11-24 | 中国人民解放军军事科学院国防工程研究院 | Fractured rock mass grouting simulation visualization test system and method considering stress effect |
| CN111595551A (en) * | 2020-05-12 | 2020-08-28 | 中国矿业大学 | Pressure-bearing fracture aquifer visual grouting water-displacement experimental device and method |
| CN111811995A (en) * | 2020-07-17 | 2020-10-23 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN112147041A (en) * | 2020-08-25 | 2020-12-29 | 同济大学 | Constant-pressure control coarse crack double-liquid grouting diffusion visual test device |
| CN114112840A (en) * | 2021-11-17 | 2022-03-01 | 中国地质大学（武汉） | Test device and method for researching pore-fracture dual-medium seepage characteristics |
| CN114486641A (en) * | 2022-01-09 | 2022-05-13 | 三峡大学 | Magnetic slurry crack grouting and filling experimental device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160725A1 (en) * | 2022-05-20 | 2023-08-31 | 河南理工大学 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
| CN116539813A (en) * | 2023-05-25 | 2023-08-04 | 西南石油大学 | Wall roughness adjustable fissure medium microorganism mineralization shutoff model and device |
| CN116539813B (en) * | 2023-05-25 | 2024-04-09 | 西南石油大学 | Wall roughness adjustable crack medium microorganism mineralization shutoff model device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114878434B (en) | 2023-06-30 |
| WO2023160725A1 (en) | 2023-08-31 |
| WO2023160725A9 (en) | 2023-10-26 |
| SE2351091A1 (en) | 2023-09-19 |
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