CN210108894U - Test equipment for simulating grouting slurry degree of unidirectional soil layer - Google Patents
Test equipment for simulating grouting slurry degree of unidirectional soil layer Download PDFInfo
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- CN210108894U CN210108894U CN201920911790.7U CN201920911790U CN210108894U CN 210108894 U CN210108894 U CN 210108894U CN 201920911790 U CN201920911790 U CN 201920911790U CN 210108894 U CN210108894 U CN 210108894U
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Abstract
The utility model discloses a test equipment of one-way soil layer slip casting thick liquid degree of pouring of simulation, including thick liquid agitated vessel, film water pump and experimental soil tank, be provided with the feed liquor pipe that is used for connecting film water pump and thick liquid agitated vessel between the entry of film water pump and the export of thick liquid agitated vessel, experimental soil tank includes the barrel of splendid attire rock soil sample and the support frame that is used for fixed barrel, the inlet has been seted up to the barrel bottom, the export of film water pump with be provided with the slip casting pipe between the inlet, be provided with a plurality of hole pressure meters along longitudinal separation on the lateral wall of barrel, the liquid outlet has been seted up at the barrel top, the drain pipe is installed to the liquid outlet, the one end that the barrel was kept away from to the slip casting pipe is provided with the graduated flask, the below of graduated flask. The utility model discloses the simulation of one-way soil layer slip casting has been realized to equipment to different elevations of barrel in experimental soil groove set up the hole manometer, have realized the instant observation of one-way soil layer thick liquid degree of pouring.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering, concretely relates to test equipment of one-way soil layer slip casting thick liquid degree of pouring of simulation.
Background
The development and construction work of the subway in the urbanization process of China are indispensable, but the subway construction often causes great influence on the surrounding environment, including surface subsidence, pit collapse and the like. The grouting reinforcement is widely applied to solve the problems and simultaneously strengthens the shear strength and the water stopping performance of a soil layer, however, the field test and the traditional indoor triaxial test cannot observe the flowing characteristics and the distance of grout, so that the grouting effect cannot be quantitatively evaluated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a test equipment of one-way soil layer slip casting thick liquid degree of pouring of simulation is provided. This equipment has realized the simulation of one-way soil layer slip casting through setting up thick liquid agitated vessel, film water pump and test soil tank to different elevations set up the pore pressure meter on the barrel lateral wall of test soil tank, realized the instant observation of one-way soil layer thick liquid degree of pouring, the data of surveing the reacquisition can be used to evaluate the flow characteristic and the distance of thick liquid under the different gradation rock soil sample or the different thick liquid kind circumstances, provide accurate, effectual basic data for slip casting success rate evaluation work.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a test equipment of one-way soil layer slip casting thick liquid degree of pouring which simulates, its characterized in that, includes thick liquid agitated vessel, film water pump and experimental soil tank, be provided with the feed liquor pipe that is used for connecting film water pump and thick liquid agitated vessel between the entry of film water pump and the export of thick liquid agitated vessel, experimental soil tank includes the barrel of splendid attire rock soil sample and the support frame that is used for fixed barrel, the inlet has been seted up to the barrel bottom, the export of film water pump with be provided with the slip casting pipe between the inlet, be provided with a plurality of hole pressure meters along longitudinal separation on the lateral wall of barrel, the liquid outlet has been seted up at the barrel top, the drain pipe is installed to the liquid outlet, the one end that the barrel was kept away from to the drain pipe is provided with the graduated flask.
The test equipment for simulating the grouting slurry degree of the unidirectional soil layer is characterized in that a mounting hole for mounting a hole pressure gauge is formed in the side wall of the test soil tank, and a filter screen for avoiding direct contact between a rock soil sample and the hole pressure gauge is arranged in the mounting hole.
The test equipment for simulating the grouting slurry degree of the unidirectional soil layer is characterized in that the electronic scale is an electronic scale with an RS232 serial port.
The test equipment for simulating the grouting slurry degree of the unidirectional soil layer is characterized in that the cylinder body is a transparent cylinder body.
The test equipment for simulating the grouting slurry degree of the unidirectional soil layer is characterized by further comprising a detection unit, wherein the detection unit comprises a computer and a data acquisition card connected with the computer, and the electronic scale and the pore pressure gauge are both connected with the input end of the data acquisition card.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up thick liquid agitated vessel, film water pump and experimental soil tank, realized the simulation of one-way soil layer slip casting to set up the pore pressure meter at the different elevations of the barrel of experimental soil tank, realized the instant observation of one-way soil layer slip casting, the data of surveing the reacquisition can be used to evaluate the mobile characteristic and the distance of thick liquid under the different grades of joining in marriage rock soil sample or the different thick liquid kind circumstances, provide accurate, effectual basic data for the evaluation work of slip casting success.
2. The utility model discloses an experimental soil box simulates the one-way flow of thick liquid in ground appearance, provides reference for the three-dimensional flow problem of thick liquid that the analysis is complicated backward.
3. The utility model discloses a set up graduated flask and electronic scale to measure the thick liquid weight of pouring into the rock soil sample, provide another accurate, effectual basic data for the evaluation work of slip casting success.
4. The utility model discloses an equipment can be applied to the degree of can irritating of different thick liquids under the different stratum circumstances of evaluation to and cause the change of stratum permeability property because of the slip casting, availability factor, precision are higher.
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the apparatus of the present invention.
Fig. 2 is a schematic structural diagram of the cylinder of the present invention.
Fig. 3 is a schematic block diagram of the detecting unit of the present invention.
Description of reference numerals:
1-a membrane water pump; 2, a cylinder body; 3-grouting pipe;
4-pore pressure gauge; 5, a liquid outlet pipe; 6, measuring cylinder;
7, an electronic scale; 8-slurry stirring equipment; 9-liquid inlet pipe;
10-mounting holes; 11-a support frame; 12-rock soil sample;
13-a computer; 14-data acquisition card.
Detailed Description
As shown in figures 1 and 2, the test device for simulating the grouting slurry degree of the unidirectional soil layer comprises a slurry stirring device 8, a film water pump 1 and a test soil tank, a liquid inlet pipe 9 for connecting the thin film water pump 1 and the slurry stirring equipment 8 is arranged between the inlet of the thin film water pump 1 and the outlet of the slurry stirring equipment 8, the test soil tank comprises a cylinder body 2 for containing a rock soil sample 12 and a support frame 11 for fixing the cylinder body 2, a liquid inlet is arranged at the bottom of the cylinder body 2, a grouting pipe 3 is arranged between the outlet of the film water pump 1 and the liquid inlet, a plurality of pore pressure meters 4 are arranged on the side wall of the cylinder body 2 at intervals along the longitudinal direction, a liquid outlet is arranged at the top of the cylinder body 2, a liquid outlet pipe 5 is installed at the liquid outlet, a measuring cylinder 6 is arranged at one end, far away from the cylinder body 2, of the liquid outlet pipe 5, and an electronic scale 7 is arranged below the measuring cylinder 6.
In this embodiment, be provided with the mounting hole 10 that is used for mounting hole pressure gauge 4 on the lateral wall of experimental soil box, all be provided with the filter screen that is used for avoiding rock soil sample 12 and hole pressure gauge 4 direct contact in the mounting hole 10.
In this embodiment, the electronic scale 7 is an electronic scale with an RS232 serial port.
In this embodiment, the cylinder 2 is a transparent cylinder.
In this embodiment, the device further comprises a detection unit, the detection unit comprises a computer 13 and a data acquisition card 14 connected with the computer 13, and the electronic scale 7 and the pore pressure gauge 4 are both connected with an input end of the data acquisition card 14.
The utility model discloses the use of equipment does: placing a rock soil sample 12 in a cylinder body 2, firstly placing clean water in a slurry stirring device 8, feeding water in the slurry stirring device 8 into the cylinder body 2 through a liquid inlet pipe 9 and a grouting pipe 3, providing stable upward seepage for the rock soil sample in the cylinder body 2, simultaneously realizing the instant observation of the irrigation degree of the clean water through hole pressure gauges 4 with different elevations on the side wall of the cylinder body 2, and measuring the seepage water flow in unit time through a measuring cylinder 6 and an electronic scale 7; after the clean water filling degree test is finished, the slurry stirring device 8 and the film water pump 1 are closed, the clean water in the slurry stirring device 8 is replaced by the slurry with the designed mixing proportion, the slurry stirring device 8 and the film water pump 1 are opened, the slurry in the slurry stirring device 8 is supplied into the cylinder 2 through the liquid inlet pipe 9 and the grouting pipe 3, while providing stable upward seepage for the rock soil sample in the cylinder body 2, the instant observation of the slurry filling degree is realized through the pore pressure meters 4 with different elevations on the side wall of the cylinder body 2, the data obtained by the observation can be used for evaluating the flow characteristics and the distance of the slurry under the conditions of different grading rock soil samples or different slurry types, and the volume and the weight of the slurry poured into the rock soil sample in unit time are measured through the measuring cylinder 6 and the electronic scale 7, another accurate and effective basic data is provided for grouting effect evaluation work, and the limitation that the flow characteristics and the distance of the slurry cannot be observed in field tests and traditional indoor triaxial tests is broken through. The utility model discloses an equipment can be applied to the degree of can irritating of different thick liquids under the different stratum circumstances of evaluation to and cause the change of stratum permeability property because of the slip casting, availability factor, precision are higher.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to utility model technical entity to any simple modification, change and the equivalent structure change of doing above embodiment, all still belong to the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The test equipment for simulating the grouting slurry degree of the unidirectional soil layer is characterized by comprising slurry stirring equipment (8), a film water pump (1) and a test soil tank, wherein a liquid inlet pipe (9) for connecting the film water pump (1) and the slurry stirring equipment (8) is arranged between an inlet of the film water pump (1) and an outlet of the slurry stirring equipment (8), the test soil tank comprises a barrel body (2) for containing a rock soil sample (12) and a support frame (11) for fixing the barrel body (2), a liquid inlet is formed in the bottom of the barrel body (2), a grouting pipe (3) is arranged between the outlet of the film water pump (1) and the liquid inlet, a plurality of pore pressure meters (4) are arranged on the side wall of the barrel body (2) at intervals in the longitudinal direction, a liquid outlet is formed in the top of the barrel body (2), and a liquid outlet pipe (5) is installed, a measuring cylinder (6) is arranged at one end, far away from the cylinder body (2), of the liquid outlet pipe (5), and an electronic scale (7) is arranged below the measuring cylinder (6).
2. The test equipment for simulating the grouting slurry degree of the unidirectional soil layer according to claim 1, wherein the side wall of the test soil tank is provided with a mounting hole (10) for mounting a pore pressure gauge (4), and the mounting hole (10) is internally provided with a filter screen for avoiding direct contact between a rock soil sample (12) and the pore pressure gauge (4).
3. The test equipment for simulating the grouting slurry degree of the unidirectional soil layer according to claim 1, wherein the electronic scale (7) is an electronic scale with an RS232 serial port.
4. The test equipment for simulating the grouting slurry degree of the unidirectional soil layer according to claim 1, wherein the cylinder (2) is a transparent cylinder.
5. The test equipment for simulating the grouting slurry degree of the unidirectional soil layer according to claim 1, further comprising a detection unit, wherein the detection unit comprises a computer (13) and a data acquisition card (14) connected with the computer (13), and the electronic scale (7) and the pore pressure gauge (4) are both connected with an input end of the data acquisition card (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911790.7U CN210108894U (en) | 2019-06-17 | 2019-06-17 | Test equipment for simulating grouting slurry degree of unidirectional soil layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911790.7U CN210108894U (en) | 2019-06-17 | 2019-06-17 | Test equipment for simulating grouting slurry degree of unidirectional soil layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108894U true CN210108894U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920911790.7U Active CN210108894U (en) | 2019-06-17 | 2019-06-17 | Test equipment for simulating grouting slurry degree of unidirectional soil layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210108894U (en) |
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2019
- 2019-06-17 CN CN201920911790.7U patent/CN210108894U/en active Active
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