CN113310872A - Elastic wave-assisted cement grouting water-stopping model test device - Google Patents
Elastic wave-assisted cement grouting water-stopping model test device Download PDFInfo
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- CN113310872A CN113310872A CN202110570191.5A CN202110570191A CN113310872A CN 113310872 A CN113310872 A CN 113310872A CN 202110570191 A CN202110570191 A CN 202110570191A CN 113310872 A CN113310872 A CN 113310872A
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 239000004568 cement Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 abstract description 25
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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Abstract
The invention discloses an elastic wave auxiliary cement grouting water stop model test device which comprises a test box and an elastic wave emitter arranged in the test box, wherein one side of the test box is communicated with a grouting component, and the other side of the test box is communicated with an adjustable pressurization water injection component; and cement slurry is input into the test box through the grouting assembly, and the adjustable pressurizing water injection assembly applies pressure to water and inputs the water into the test box. Through setting up the proof box, and its inside partition through the partition panel in the proof box, and the water pressure in every experimental area, elastic wave intensity and cement thick liquid all can carry out free regulation and control, can contrast in the experiment, fully embody the influence that the cement thick liquid received under different conditions, can adjust the inside water pressure of proof box, thereby the water pressure under the different degree of depth of simulation, be favorable to experimenting the influence of different water pressure to the cement slip casting, through setting up crushing structure, can smash the cement thick liquid of inputing to the proof box and refine.
Description
Technical Field
The invention relates to the technical field of grouting water stop experiments. In particular to an elastic wave auxiliary cement grouting water stop model test device.
Background
When engineering construction is carried out on a water-rich stratum, underground water often influences the safety and smooth operation of engineering construction and influences the safety of the engineering construction, and a grouting method is an effective method for preventing seepage, stopping leakage, reinforcing and correcting the deflection of a building in the engineering construction; elastic waves are transmitted in rock-soil media, so that liquid in pores generates pressure gradient, and the movement of underground water and cement slurry can be influenced; in order to research the water stopping effect of the elastic wave assisted cement grouting technology under the condition of a real water-rich stratum, the conventional indoor grouting test equipment cannot apply low-frequency and high-frequency elastic waves, cannot simulate the real underground water seepage condition, cannot meet the test requirements for testing the slurry migration rule, and cannot meet the requirements.
Disclosure of Invention
Therefore, the invention aims to provide an elastic wave auxiliary cement grouting water stop model test device which can simulate underground water pressures at different depths and is convenient for testing cement grout with different fineness.
In order to solve the technical problems, the invention provides the following technical scheme: an elastic wave assisted cement grouting water stop model test device comprises a test box and an elastic wave emitter arranged in the test box, wherein one side of the test box is communicated with a grouting assembly, and the other side of the test box is communicated with an adjustable pressurized water injection assembly; and cement slurry is input into the test box through the grouting assembly, and the adjustable pressurizing water injection assembly applies pressure to water and inputs the water into the test box.
Above-mentioned cement slip casting stagnant water model test device is assisted to elastic wave, be provided with the partition panel along its direction of height in the proof box, the quantity of partition panel is two or more, just the partition panel with the roof of proof box is parallel, around the partition panel with the inside wall sealing connection of proof box, the partition panel will the inner space of proof box equallyd divide into different experimental area, just all be provided with in the different experimental area of equallyd divide in the proof box the elastic wave transmitter. Equally divide into three experimental area with the proof box in, can carry out three group's experiments simultaneously, be convenient for contrast.
Above-mentioned cement slip casting stagnant water model test device is assisted to elastic wave slip casting subassembly includes cement thick liquid inlet channel, slip casting pipe and crushing structure, the quantity of slip casting pipe with the regional number of mutually independent experiment equals in the proof box, every the one end of slip casting pipe inserts respectively in the different equant experiment area of proof box, every the other end of slip casting pipe all with cement thick liquid inlet channel intercommunication, all be provided with in every mutually independent experiment area in the proof box crushing structure, crushing structure's feed inlet with the discharge end intercommunication of slip casting pipe.
Above-mentioned cement slip casting stagnant water model test device is assisted to elastic wave, crushing structure includes rubbing crusher, two crushing rollers, first adjusting part and second adjusting part, two smash the roller and follow the axis symmetry of rubbing crusher sets up the inside both sides at rubbing crusher, waist type groove has all been seted up along it radially to the tip both sides of rubbing crusher, wear out respectively at the both ends of smashing the waist type groove at rubbing crusher both ends, one the both ends of smashing the roller all set up first adjusting part, another the both ends of smashing the roller all are provided with the second adjusting part, first adjusting part with the second adjusting part all with the tip fixed connection of rubbing crusher, rubbing crusher's top intercommunication has the intake pipe, the other end of intake pipe is worn out the lateral wall and the intercommunication of proof box have the air pump. Through setting up crushing structure, can smash the cement thick liquid in the input test case, the grouting effect of the cement thick liquid of the different fineness sizes of experiment under the elastic wave of being convenient for.
The elastic wave-assisted cement grouting water-stopping model test device comprises a first adjusting component and a second adjusting component which are identical in structure, wherein the first adjusting component comprises a fixing plate, a supporting plate, an adjusting screw rod and a shaft sleeve, the fixing plate is fixedly connected to the top of a crushing barrel, the top of the fixing plate is also provided with a waist-shaped groove which is identical to and coincident with the end part of the crushing barrel, two coincident waist-shaped grooves are internally provided with the shaft sleeve, one end, far away from the circle center of the crushing barrel, of the fixing plate is fixedly connected with the side wall of the supporting plate, the supporting plate and the fixing plate are mutually vertical, the middle of the side wall of the supporting plate is provided with a threaded hole along the radial direction of the crushing barrel, the adjusting screw rod is in threaded connection in the threaded hole, the end part of the adjusting screw rod is rotationally connected with the outer side wall of the shaft sleeve, and the adjusting screw rod is relatively fixed with the shaft sleeve, the end part of the crushing roller penetrates into the shaft sleeve, the top end of the crushing roller is connected with a motor in a transmission mode, a rubber sealing plate is arranged at the bottom of the fixing plate, an opening is formed in the middle of the rubber sealing plate, and the shaft sleeve penetrates through the opening in the middle of the rubber sealing plate. Through setting up first adjusting part and second adjusting part, can be to the interval of adjusting two crushing rollers to adjust the fineness of smashing grout.
The elastic wave-assisted cement grouting water stopping model test device comprises a fixing plate, a waist-shaped groove inner wall of the fixing plate, a check ring, a sleeve, a connecting rod and a clamp, wherein two or more rubber air chambers are fixedly connected to two sides of the waist-shaped groove inner wall along the length direction of the fixing plate, air bags are fixedly connected to the tops of the rubber air chambers on two sides, opposite surfaces of the two air chambers are mutually laminated, opposite surfaces of the two air chambers on two sides are mutually close to each other, the periphery of the waist-shaped groove is fixedly connected with the check ring at the top of the fixing plate, the outer side walls of the two air bags are lapped with the inner side walls of the check ring, the sleeve penetrates between the two rubber air chambers on two sides, the two sides of the side wall of the sleeve are fixedly connected with the connecting rod, the bottoms of the two connecting rods are fixedly connected with the clamp, the inner side walls of the clamp are arc-shaped and matched with the outer diameter of the sleeve, and the inner side walls of the clamp are lapped with the air bags close to the outer side walls of the check ring, the top of rubber air chamber all has communicating pipe with corresponding gasbag bottom intercommunication, communicating pipe is located one end top overlap joint in the gasbag has sealed apron, one side of sealed apron with the inner wall bottom fixed connection of gasbag, the top intercommunication of gasbag has the blast pipe, the blast pipe second end is worn out the proof box, just the second end of blast pipe is provided with the relief valve, every the bottom of rubber air chamber all communicates there is the intake pipe, the second end of intake pipe is worn out the proof box, the second end of intake pipe is provided with one-way admission valve.
Above-mentioned cement slip casting stagnant water model test device is assisted to elastic wave, the both ends of crushing barrel all are through bolt fixedly connected with fender bracket, all the intercommunication has the material pipe in the middle of the both ends of crushing barrel, the material nose portion fixedly connected with threaded connection pipe on crushing barrel top, threaded connection pipe with slip casting pipe intercommunication. Through setting up the bearer bar, can protect first adjusting part and second adjusting part.
Above-mentioned cement slip casting stagnant water model test device is assisted to elastic wave, adjustable pressurization water injection subassembly includes the water injection pipe and sets up the ooze valve on the water injection pipe, the quantity of water injection pipe with mutually independent experiment area number equals in the proof box, every the one end of water injection pipe inserts respectively in the different partition experiment area in the proof box and the fluid switches on. Through pressurization water injection subassembly, can regulate and control the water pressure in the proof box, realize simulating the water pressure under the different degree of depth.
According to the elastic wave assisted cement grouting water stop model test device, the mixture of soil and gravels is filled in different equally divided test areas in the test box, and the mass ratio of the soil to the gravels is 5: 1. A real underground environment can be simulated.
The technical scheme of the invention achieves the following beneficial technical effects:
1. through setting up the proof box, and will its inside partition board equally divide in the proof box, and water pressure, elastic wave intensity and cement thick liquid in every experimental area all can carry out free regulation and control, are convenient for contrast in the experiment, fully embody the influence that the cement thick liquid received under different conditions.
2. By arranging the adjustable pressurized water injection assembly, the water pressure in the test box can be adjusted, so that the water pressure at different depths can be simulated, and the influence of different water pressures on cement grouting can be favorably tested; through setting up the air pump, can realize the atmospheric pressure in the regulation and control single experimental area, reach the purpose that different atmospheric pressures tested to the produced influence of slip casting.
3. Through setting up the slip casting subassembly, and the output of slip casting subassembly sets up crushing structure, can smash the cement thick liquid that imports to the proof box and refine, and regulate and control cement fineness accessible adjusting part, realize the slip casting effect experiment under the elastic wave to the cement thick liquid of different fineness sizes, be convenient for keep water pressure and elastic wave to contrast when equidimension.
4. The air bag and the rubber air chamber are arranged, so that the periphery of the shaft sleeve can be sealed, cement paste is prevented from leaking into the protective frame from the crushing cylinder, the shaft sleeve is adjusted, the rubber air chamber is extruded by the shaft sleeve to inflate the air bag, the air bag is continuously inflated, and the space between the shaft sleeve and the waist-shaped groove is filled and extruded, so that sealing is realized; and the pressure in the test area is higher, the extrusion force to the rubber air chamber is stronger, the more gas is rushed into the air bag, the sealing effect is in direct proportion to the pressure in the test area, and the dynamic sealing effect is realized.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic perspective view of the crushing structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A of the present invention;
FIG. 4 is a schematic front view of the crushing structure according to the present invention;
FIG. 5 is a perspective view of the assembled rubber air chamber, bladder and clamp of the present invention;
FIG. 6 is a schematic front sectional view of the assembled rubber air chamber, bladder and clamp of the present invention;
FIG. 7 is a schematic side sectional view of the assembled rubber air chamber, bladder and clamp of the present invention.
The reference numbers in the figures denote: 1-test chamber; 2-an elastic wave emitter; 3-a cement slurry liquid inlet pipeline; 4-water injection pipe; 5-partition board; 6-grouting pipe; 7-crushing structure; 8-a threaded connection pipe; 9-a crushing cylinder; 10-a crushing roller; 11-a motor; 12-a first adjustment assembly; 121-fixing plate; 122-waist-shaped groove; 123-rubber sealing plate; 124-shaft sleeve; 125-a support plate; 126-adjusting screw; 13-a second adjustment assembly; 14-a protective frame; 15-air inlet pipe; 16-an air pump; 17-a pressure valve; 18-a rubber air chamber; 19-air bag; 20-communicating pipe; 21-sealing the cover plate; 22-one-way inlet valve; 23-an exhaust pipe; 24-a pressure relief valve; 25-a retainer ring; 26-a hoop; 27-connecting rod.
Detailed Description
Referring to fig. 1, an elastic wave assisted cement grouting water stop model test device comprises a test box 1 and an elastic wave emitter 2 arranged inside the test box 1, wherein a grouting component is communicated with one side of the test box 1, an adjustable pressurized water injection component is communicated with the other side of the test box 1, the test box 1 is arranged, the test box 1 is internally equally divided by a partition plate 5, the water pressure, the elastic wave intensity and cement grout in each test area can be freely regulated and controlled, comparison can be performed in the test, and the influence of the cement grout under different conditions can be fully reflected; partition plates 5 are arranged in the test box 1 along the height direction of the test box, the number of the partition plates 5 is two, the partition plates 5 are parallel to the top wall of the test box 1, the periphery of each partition plate 5 is hermetically connected with the inner side wall of the test box 1, the internal space of the test box 1 is equally divided into three experiment areas by the two partition plates 5, elastic wave transmitters 2 are arranged in the three equally divided experiment areas of the test box 1, mixtures of soil and gravels are filled in the three equally divided experiment areas of the test box 1, the mass ratio of the soil to the gravels is 5:1, and the real underground environment can be conveniently simulated; the slip casting subassembly includes cement thick liquid inlet conduit 3, slip casting pipe 6 and crushing structure 7, the quantity of slip casting pipe 6 is three, every the one end of slip casting pipe 6 inserts respectively in the different partition experiment region of proof box 1, every the other end of slip casting pipe 6 all with cement thick liquid inlet conduit 3 intercommunication, all be provided with in every mutually independent experiment region in the proof box 1 crushing structure 7, crushing structure 7's feed inlet with the discharge end intercommunication of slip casting pipe 6, adjustable pressurization water injection subassembly includes water injection pipe 4 and the pressure valve 17 of setting on water injection pipe 4, the quantity of water injection pipe 4 is three, every the one end of water injection pipe 4 inserts respectively in the different partition experiment region in the proof box 1 and the fluid switches on, through setting up adjustable pressurization water injection subassembly, can adjust the inside water pressure of proof box 1, therefore, the water pressure at different depths is simulated, and the influence of different water pressures on cement grouting is favorably tested.
As shown in fig. 2, the pulverizing structure 7 includes a pulverizing barrel 9, two pulverizing rollers 10, a first adjusting component 12 and a second adjusting component 13, the two pulverizing rollers 10 are symmetrically disposed on two sides of the pulverizing barrel 9 along the axis of the pulverizing barrel 9, two sides of the end of the pulverizing barrel 9 are both radially provided with a waist-shaped groove 122, the waist-shaped groove 122 is internally provided with a rubber sealing plate 123, two ends of the pulverizing rollers 10 respectively penetrate through the waist-shaped grooves 122 on two ends of the pulverizing barrel 9, two ends of one pulverizing roller 10 are both provided with the first adjusting component 12, two ends of the other pulverizing roller 10 are both provided with the second adjusting component 13, the first adjusting component 12 and the second adjusting component 13 are both fixedly connected with the end of the pulverizing barrel 9, the top end of the pulverizing barrel 9 is communicated with an air inlet pipe 15, the other end of the air inlet pipe 15 penetrates through the side wall of the box 1 and is communicated with an air pump 16, the first adjusting assembly 12 and the second adjusting assembly 13 have the same structure, as shown in fig. 3, the first adjusting assembly 12 includes a fixing plate 121, a supporting plate 125, an adjusting screw 126 and a shaft sleeve 124, the fixing plate 121 is fixedly connected to the top of the crushing barrel 9, a waist-shaped groove 122 which is identical to and coincident with the end of the crushing barrel 9 is also formed in the top of the fixing plate 121, the waist-shaped groove 122 is formed along the radial direction of the crushing barrel 9, a shaft sleeve 124 is arranged in the two coincident waist-shaped grooves 122, one end of the fixing plate 121 far away from the circle center of the crushing barrel 9 is welded to the side wall of the supporting plate 125, the supporting plate 125 and the fixing plate 121 are perpendicular to each other, a threaded hole is formed in the middle of the side wall of the supporting plate 125 along the radial direction of the crushing barrel 9, the adjusting screw 126 is threadedly connected in the threaded hole 126, the end of the adjusting screw 126 is rotatably connected to the outer side wall of the shaft sleeve 124, and the adjusting screw 126 is connected to the outer side wall of the shaft sleeve 124 and the adjusting screw 126 and the shaft sleeve 126 is connected to the shaft sleeve 124 relatively fixed, the tip of crushing roller 10 penetrates in the axle sleeve 124, just the top transmission of crushing roller 10 is connected with motor 11, the bottom of fixed plate 121 is provided with rubber seal plate 123, the opening has been seted up at the middle part of rubber seal plate 123, axle sleeve 124 passes the opening at rubber seal plate 123 middle part, through setting up the slip casting subassembly, and the output of slip casting subassembly sets up crushing structure 7, can smash the cement thick liquid that inputs to in proof box 1 and refine, and regulate and control the kibbling fineness accessible adjusting part of cement, realizes the grouting effect experiment under the elastic wave to the cement thick liquid of different fineness sizes, is convenient for keep water pressure and elastic wave to compare when equidimension mutually.
As shown in fig. 4, both ends of the crushing cylinder 9 are fixedly connected with a protection frame 14 through bolts, the middle of both ends of the crushing cylinder 9 are communicated with a material pipe, the top of the material pipe at the top end of the crushing cylinder 9 is fixedly connected with a threaded connection pipe 8, and the threaded connection pipe 8 is communicated with the grouting pipe 6.
As shown in fig. 5-7, two or more rubber air chambers 18 are fixedly connected to both sides of the inner wall of the waist-shaped groove 122 of the fixing plate 121 along the length direction thereof, air bags 19 are fixedly connected to the tops of the rubber air chambers 18 on both sides, the opposite surfaces of the two air bags 19 are attached to each other, the opposite surfaces of the rubber air chambers 18 on both sides are close to each other, a retainer ring 25 is fixedly connected to the top of the fixing plate 121 along the periphery of the waist-shaped groove 122, the outer side walls of the two air bags 19 are overlapped with the inner side wall of the retainer ring 25, the shaft sleeve 124 passes through between the rubber air chambers 18 on both sides, the shaft sleeve 124 passes through between the two air bags 19, connecting rods 27 are fixedly connected to both sides of the side wall of the shaft sleeve 124, clamps 26 are fixedly connected to the bottoms of the two connecting rods 27, and the inner side wall of the clamps 26 is arc-shaped and is matched with the outer diameter of the shaft sleeve 124, the circular arc-shaped inner side wall of the clamp 26 is in lap joint with the outer side wall of the air bag 19 close to the check ring 25, the top of the rubber air chamber 18 is communicated with the bottom of the corresponding air bag 19 to form a communicating pipe 20, the communicating pipe 20 is positioned at the top of one end in the air bag 19 to form a sealing cover plate 21, one side of the sealing cover plate 21 is fixedly connected with the bottom of the inner wall of the air bag 19, the top of the air bag 19 is communicated with an exhaust pipe 23, the second end of the exhaust pipe 23 penetrates out of the test box 1, the second end of the exhaust pipe 23 is provided with a pressure release valve 24, the bottom of each rubber air chamber 18 is communicated with an air inlet pipe, the second end of each air inlet pipe penetrates out of the test box 1, the second end of each air inlet pipe is provided with a one-way air inlet valve 22, the air bag 19 and the rubber air chamber, therefore, the service life of the device is prolonged, the shaft sleeve 124 is adjusted, and simultaneously, the shaft sleeve 124 is utilized to extrude the rubber air chamber 18 to inflate the air bag 19, so that the air bag 19 continues to expand, and the space between the shaft sleeve 124 and the waist-shaped groove 122 is filled and extruded to realize sealing; and the higher the pressure in the test area is, the stronger the extrusion force to the rubber air chamber 18 is, the more the gas is flushed into the air bag 19, the sealing effect is in direct proportion to the pressure in the test area, and the dynamic sealing effect is realized.
The working principle is as follows: when the test box is used, a mixture of soil and gravels is added into each different experiment area in the test box 1, the elastic wave emitter 2 is opened through an external controller, the elastic waves are adjusted to required strength, water is input into the water injection pipe 4, the water pressure in the experiment area which is independently sealed in the test box 1 is controlled and input, the water pressure of soil layers with different depths is conveniently simulated, cement slurry is input into the cement slurry liquid inlet pipeline 3 through an external pump, the cement slurry liquid inlet pipeline 3 respectively conveys the cement slurry to the plurality of grouting pipes 6 and inputs the cement slurry into the crushing structure 7, the crushing structure 7 crushes the cement slurry, and grouting experiments are carried out under the action of the elastic waves;
when the fineness of the cement paste needs to be adjusted, the first adjusting assemblies 12 at two ends of one crushing roller 10 and the second adjusting assemblies 13 at two ends of the other crushing roller 10 are respectively adjusted, during adjustment, the adjusting screws 126 of the two first adjusting assemblies 12 are screwed, the adjusting screws 126 are rotatably connected with the shaft sleeve 124, namely the adjusting screws 126 are connected with the shaft sleeve 124 through bearings, the adjusting screws 126 and the shaft sleeve 124 are axially fixed and can rotate in the circumferential direction, when the adjusting screws 126 rotate, the adjusting screws 126 are axially moved by matching with threaded holes in the side wall of the supporting plate 125 to drive the shaft sleeve 124 to move along the waist-shaped groove 122 of the fixing plate 121, so that the positions of the crushing rollers 10 are adjusted, and by analogy, the distance between the two crushing rollers 10 is adjusted, so that the crushing effect is controlled;
when sealing, firstly, a certain amount of gas is filled in the air bag 19 to expand the air bag 19 to a certain degree, two sides of the shaft sleeve 124 are respectively overlapped with the side walls of the two air bags 19, when the shaft sleeve 124 is driven to move by rotating the adjusting screw 126, the air bag 19 and the rubber air chamber 18 are continuously expanded while the shaft sleeve 124 moves, the extruded rubber air chamber 18 is contracted, the air in the shaft sleeve 124 is pressed into the communicating pipe 20 and pushes the sealing cover plate 21 open, the air is pressed into the air bag 19 to continuously inflate and expand the air bag 19, so that a better sealing effect is achieved, the air pressure in the air bag 19 is higher than the air pressure in the rubber air chamber 18, so that the sealing cover plate 21 is tightly attached to the end part of the communicating pipe 20 to realize the one-way air conduction, the shaft sleeve 124 presses the outer side of the air bag 19 by utilizing two clamping hoops 26 which synchronously move while the shaft sleeve 124 is moved, so that the position where the shaft sleeve 124 is contacted with the air bag 19, and the two air bags 19 are not excessively expanded by the shaft sleeve 124, keeping the inside of the air bag 19 attached to the shaft sleeve 124, the rubber air chamber 18 after the shaft sleeve 124 passes through recovers under the action of the elasticity of the rubber air chamber 18, and simultaneously sucking the outside air through the air inlet pipe and the one-way air inlet valve 22, when the air pressure in the air bag 19 is too large, the excessive pressure can be released to the outside through the pressure release valve 24.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (9)
1. An elastic wave auxiliary cement grouting water stop model test device comprises a test box (1) and an elastic wave emitter (2) arranged in the test box (1), and is characterized in that one side of the test box (1) is communicated with a grouting component, and the other side of the test box (1) is communicated with an adjustable pressurization water injection component; and cement slurry is input into the test box (1) through the grouting assembly, and the adjustable pressurizing water injection assembly applies pressure to water and inputs the water into the test box (1).
2. The test device for the elastic wave assisted cement grouting water stop model according to claim 1, characterized in that a partition board (5) is arranged in the test box (1) along the height direction of the test box, the number of the partition boards (5) is two or more, the partition boards (5) are parallel to the top wall of the test box (1), the periphery of the partition boards (5) is hermetically connected with the inner side wall of the test box (1), the partition boards (5) equally divide the inner space of the test box (1) into different experimental areas, and the elastic wave transmitters (2) are arranged in the equally divided different experimental areas in the test box (1).
3. The test device for the elastic wave assisted cement grouting water stop model according to claim 1, wherein the grouting assembly comprises a cement slurry liquid inlet pipeline (3), grouting pipes (6) and a crushing structure (7), the number of the grouting pipes (6) is equal to the number of mutually independent experiment areas in the test box (1), one end of each grouting pipe (6) is respectively inserted into different equal experiment areas of the test box (1), the other end of each grouting pipe (6) is communicated with the cement slurry liquid inlet pipeline (3), the crushing structure (7) is arranged in each mutually independent experiment area in the test box (1), and a feed inlet of the crushing structure (7) is communicated with a discharge end of each grouting pipe (6).
4. The elastic wave assisted cement grouting water stopping model test device as claimed in claim 3, wherein the crushing structure (7) comprises a crushing cylinder (9), two crushing rollers (10), a first adjusting component (12) and a second adjusting component (13), the two crushing rollers (10) are symmetrically arranged at two sides of the interior of the crushing cylinder (9) along the axis of the crushing cylinder (9), waist-shaped grooves (122) are arranged at two sides of the end part of the crushing cylinder (9) along the radial direction of the crushing cylinder, two ends of the crushing rollers (10) penetrate through the waist-shaped grooves (122) at two ends of the crushing cylinder (9) respectively, two ends of one crushing roller (10) are provided with the first adjusting component (12), two ends of the other crushing roller (10) are provided with the second adjusting component (13), the first adjusting component (12) and the second adjusting component (13) are fixedly connected with the end part of the crushing cylinder (9), the top end of the crushing barrel (9) is communicated with an air inlet pipe (15), and the other end of the air inlet pipe (15) penetrates out of the side wall of the test box (1) and is communicated with an air pump (16).
5. The test device for the elastic wave assisted cement grouting water stopping model according to claim 4, characterized in that the first adjusting component (12) and the second adjusting component (13) have the same structure, the first adjusting component (12) comprises a fixing plate (121), a supporting plate (125), an adjusting screw (126) and a shaft sleeve (124), the fixing plate (121) is fixedly connected to the top of the crushing barrel (9), a waist-shaped groove (122) which is the same as and coincident with the end of the crushing barrel (9) is also formed in the top of the fixing plate (121), one shaft sleeve (124) is arranged in the two coincident waist-shaped grooves (122), one end of the fixing plate (121) far away from the circle center of the crushing barrel (9) is fixedly connected with the side wall of the supporting plate (125), and the supporting plate (125) and the fixing plate (121) are perpendicular to each other, the middle of the side wall of the supporting plate (125) is provided with a threaded hole along the radial direction of the crushing barrel (9), the adjusting screw (126) is in threaded connection with the threaded hole, the end part of the adjusting screw (126) is in rotary connection with the outer side wall of the shaft sleeve (124), the adjusting screw (126) is relatively fixed with the shaft sleeve (124), the end part of the crushing roller (10) penetrates into the shaft sleeve (124), the top end of the crushing roller (10) is in transmission connection with a motor (11), a rubber sealing plate (123) is arranged at the bottom of the fixing plate (121), an opening is formed in the middle of the rubber sealing plate (123), and the shaft sleeve (124) penetrates through the opening in the middle of the rubber sealing plate (123).
6. The test device for the elastic wave assisted cement grouting water stopping model according to claim 5, characterized in that two or more than two rubber air chambers (18) are fixedly connected to two sides of the inner wall of the waist-shaped groove (122) of the fixing plate (121) along the length direction thereof, air bags (19) are fixedly connected to the tops of the rubber air chambers (18) at two sides, the opposite surfaces of the two air bags (19) are mutually attached, the opposite surfaces of the rubber air chambers (18) at two opposite sides are mutually close, a retainer ring (25) is fixedly connected to the top of the fixing plate (121) along the periphery of the waist-shaped groove (122), the outer side walls of the two air bags (19) are lapped with the inner side wall of the retainer ring (25), the shaft sleeve (124) passes between the rubber air chambers (18) at two sides, and the shaft sleeve (124) passes between the two air bags (19), the test box comprises a shaft sleeve (124), connecting rods (27) and two clamping rings (26), wherein the two sides of the side wall of the shaft sleeve (124) are fixedly connected with the connecting rods (27), the bottoms of the connecting rods (27) are fixedly connected with the clamping rings (26), the inner side wall of each clamping ring (26) is arc-shaped and matched with the outer diameter of the shaft sleeve (124), the arc-shaped inner side wall of each clamping ring (26) is close to the outer side wall of each check ring (25) with the corresponding air bag (19), the top of each rubber air chamber (18) is communicated with a communicating pipe (20) at the bottom of the corresponding air bag (19), the communicating pipe (20) is positioned at the top of one end in the air bag (19) and is lapped with a sealing cover plate (21), one side of the sealing cover plate (21) is fixedly connected with the bottom of the inner wall of the air bag (19), the top of the air bag (19) is communicated with an exhaust pipe (23), the second end of the exhaust pipe (23) penetrates out of the test box (1), and the second end of the exhaust pipe (23) is provided with a pressure release valve (24), every the bottom of rubber air chamber (18) all communicates there is the intake pipe, the second end of intake pipe is worn out proof box (1), the second end of intake pipe is provided with one-way admission valve (22).
7. The test device for the elastic wave assisted cement grouting water stop model according to claim 3, characterized in that both ends of the crushing cylinder (9) are fixedly connected with protective frames (14) through bolts, the middle of both ends of the crushing cylinder (9) are communicated with a material pipe, the top of the material pipe at the top end of the crushing cylinder (9) is fixedly connected with a threaded connection pipe (8), and the threaded connection pipe (8) is communicated with the grouting pipe (6).
8. The test device for the elastic wave assisted cement grouting water stop model according to claim 1, wherein the adjustable pressurizing water injection assembly comprises water injection pipes (4) and pressurizing valves (17) arranged on the water injection pipes (4), the number of the water injection pipes (4) is equal to the number of mutually independent experiment areas in the test box (1), and one end of each water injection pipe (4) is respectively inserted into different equal experiment areas in the test box (1) and is communicated with fluid.
9. The test device for the elastic wave assisted cement grouting water stop model as claimed in claim 1, wherein the test box (1) is filled with a mixture of soil and gravels in different equally divided test areas, and the mass ratio of the soil to the gravels is 5: 1.
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| CN202110570191.5A CN113310872B (en) | 2021-05-25 | 2021-05-25 | Elastic wave assisted cement grouting water stopping model test device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000842A (en) * | 1977-06-24 | 1979-01-17 | Simpson R E | Cartridge for grouting an anchor element in a hole of a support structure |
| CN203960859U (en) * | 2014-06-27 | 2014-11-26 | 中建三局第一建设工程有限责任公司 | Five rings sealing bag for prestress anchorage cable ejection for water plugging resistance sand |
| CN104712145A (en) * | 2015-02-16 | 2015-06-17 | 中交第二航务工程局有限公司 | Grouting method for middle embedded grouting water stop belt |
| CN105067222A (en) * | 2015-07-23 | 2015-11-18 | 山东大学 | Porous-medium dynamic water grouting device and method thereof |
| CN105442528A (en) * | 2015-12-15 | 2016-03-30 | 浙江工业大学 | Cement grouting sheet pile with sealing ring |
| CN105672940A (en) * | 2016-02-02 | 2016-06-15 | 河南理工大学 | Integral grouting and water blocking and plugging device |
| CN107796929A (en) * | 2017-11-06 | 2018-03-13 | 华侨大学 | Elastic wave aids in cement ejection for water plugging model test apparatus |
| CN112458810A (en) * | 2020-11-19 | 2021-03-09 | 深圳市粤通建设工程有限公司 | Highway soil matrix disease cement grouting equipment |
-
2021
- 2021-05-25 CN CN202110570191.5A patent/CN113310872B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000842A (en) * | 1977-06-24 | 1979-01-17 | Simpson R E | Cartridge for grouting an anchor element in a hole of a support structure |
| CN203960859U (en) * | 2014-06-27 | 2014-11-26 | 中建三局第一建设工程有限责任公司 | Five rings sealing bag for prestress anchorage cable ejection for water plugging resistance sand |
| CN104712145A (en) * | 2015-02-16 | 2015-06-17 | 中交第二航务工程局有限公司 | Grouting method for middle embedded grouting water stop belt |
| CN105067222A (en) * | 2015-07-23 | 2015-11-18 | 山东大学 | Porous-medium dynamic water grouting device and method thereof |
| CN105442528A (en) * | 2015-12-15 | 2016-03-30 | 浙江工业大学 | Cement grouting sheet pile with sealing ring |
| CN105672940A (en) * | 2016-02-02 | 2016-06-15 | 河南理工大学 | Integral grouting and water blocking and plugging device |
| CN107796929A (en) * | 2017-11-06 | 2018-03-13 | 华侨大学 | Elastic wave aids in cement ejection for water plugging model test apparatus |
| CN112458810A (en) * | 2020-11-19 | 2021-03-09 | 深圳市粤通建设工程有限公司 | Highway soil matrix disease cement grouting equipment |
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| CN113310872B (en) | 2022-11-18 |
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