CN201926607U - Seepage deformation tester - Google Patents
Seepage deformation tester Download PDFInfo
- Publication number
- CN201926607U CN201926607U CN 201020694296 CN201020694296U CN201926607U CN 201926607 U CN201926607 U CN 201926607U CN 201020694296 CN201020694296 CN 201020694296 CN 201020694296 U CN201020694296 U CN 201020694296U CN 201926607 U CN201926607 U CN 201926607U
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- China
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- seepage deformation
- porous disc
- cylindrical shell
- cylinder body
- double
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- Expired - Lifetime
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a seepage deformation tester, and belongs to the field of rock-soil body seepage deformation parameter testing devices. The seepage deformation tester comprises a cylinder body and a base plate arranged at the lower end of the cylinder body, wherein the lower part of the cylinder body is connected with a water tank through a water supply pipe; a bracket is arranged at the inner lower part of the cylinder body; a lower part permeable board with holes are installed at the upper end of the bracket; a double-layered permeable board positioned on a test piece is arranged in the cylinder body above the lower part permeable board, and has holes and the sizes of the holes can be adjusted; a device used for adjusting the bearing pressure of the double-layered permeable board is arranged above the double-layered permeable board; and piezometric tubes are arranged on the outer wall of the cylinder body. Through adjusting the pressure on a pressurizing board, the stress on the test piece is adjusted, and the effect that how the stress variation influences the rock-soil seepage deformation critical hydraulic gradient is inspected; and through recording the flow variation during the process of the seepage deformation, the osmotic coefficient after the seepage deformation of the rock-soil occurs is calculated. The device has reasonable process design as well as simple and reliable structure, is convenient for operation, and is mainly used for fields like the water conservancy and hydropower project, the civil engineering, etc.
Description
Technical field
The utility model relates to a kind of field rock soil mass seepage deformation parameter test devices such as Hydraulic and Hydro-Power Engineering, civil engineering work that are used for, especially the seepage deformation tester of testing at the rock soil mass seepage deformation characterisitic parameter in the yield of deep-buried cavities environment.
Background technology
Existing rock soil mass seepage deformation test apparatus generally designs at ground seepage deformation characteristic test under the low situation of ambient stress, its weak point is that the test result of seepage deformation can not reflect the influence to the seepage deformation characteristic of the stress that acts on the rock soil mass, can not reasonably determine rock soil mass and ooze the required indexs such as critical hydraulic gradient of control engineering design.
Summary of the invention
The technical problems to be solved in the utility model is, can not reasonably determine rock soil mass at existing ground seepage deformation instrument and ooze the required index deficiencies such as critical hydraulic gradient of control engineering design, a kind of seepage deformation tester that can measure STRESS VARIATION to the influence of seepage deformation test parameter is provided.
Solution of the present utility model is, a kind of seepage deformation tester, comprise cylindrical shell and the base plate that is located at this cylindrical shell lower end, this cylindrical shell bottom links to each other with water tank by supply channel, its design feature is, the bottom is provided with support in cylindrical shell, bottom porous disc with holes is equipped with in the support upper end, be provided with in the cylindrical shell of bottom porous disc top and place with holes on the test specimen and double-deck porous disc that pore size is adjustable, this bilayer porous disc top is provided with the device of regulating double-deck porous disc load-bearing pressure, and described cylinder body outer wall is provided with piezometric tube.
Further, the structure optimization of the device of the double-deck porous disc load-bearing of described adjusting pressure is that this bilayer porous disc links to each other with an increased pressure board by transmission rod, by the stress intensity of counterweight regulating action on test specimen at placement varying number on the increased pressure board.
Water pressure in the process of the test changes and the variation of flow in order to write down, and described supply channel is provided with pressure gauge and flowmeter, and this outlet pipeline is provided with valve.
Be provided with cobblestone between described bottom porous disc and the base plate.
Described cylindrical shell top is provided with rising pipe, and the outlet below of this rising pipe is provided with graduated cylinder.
Increase by a support in seepage deformation tester inner barrel, the pressure that bottom porous disc transmission is come passes to base plate.Judge by the situation of beating of observing soil particle in the double-deck porous disc whether rock soil mass produces seepage deformation, produce the seepage deformation degree by regulating double-deck porous disc pore size control.
The beneficial effects of the utility model are, by the porous disc that is arranged on the test specimen upper and lower side test specimen is pressurizeed, be adjusted in stress intensity on the test specimen by adjusting pressure on the increased pressure board, reach and investigate the effect of STRESS VARIATION the critical hydraulic gradient influence of ground seepage deformation; By fluctuations in discharge in the record seepage deformation process, can calculate the infiltration coefficient after rock soil mass produces seepage deformation simultaneously.This device technique is reasonable in design, and is simple and reliable for structure, easy to operate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further elaborated.
Fig. 1 is a structure principle chart of the present utility model.
In the drawings:
The 1-cylindrical shell; The 2-pressure plare; The 3-transmission rod; 4-bottom porous disc;
The 5-piezometric tube; The 6-support; The 7-base plate; The 8-rising pipe;
The 9-pressure gauge; The 10-flowmeter; The 11-valve; The 12-water tank;
The 13-graduated cylinder; The 14-test specimen; The 15-cobblestone; The double-deck porous disc of 16-.
Embodiment
A kind of seepage deformation tester, as shown in Figure 1, comprise cylindrical shell 1 and the base plate 7 that is located at this cylindrical shell 1 lower end, this cylindrical shell 1 bottom links to each other with water tank 12 by supply channel, the bottom is provided with support 6 in cylindrical shell, bottom porous disc 4 with holes is equipped with in support 6 upper ends, be provided with in the cylindrical shell 1 of bottom porous disc 4 tops and place with holes on the test specimen 14 and double-deck porous disc 16 that pore size is adjustable, these bilayer porous disc 16 tops are provided with transmission rod 3, transmission rod 3 links to each other with an increased pressure board 2, can place the different counterweight of quality on the increased pressure board 2.Regulate double-deck porous disc 16 load-bearing pressure, described cylindrical shell 1 outer wall is provided with piezometric tube 5.
Described supply channel is provided with the flowmeter 10 of the variation that is used for writing down pressure gauge 9 that the process of the test water pressure changes and flow, and this outlet pipeline is provided with valve 11.
Be provided with cobblestone 15 between described bottom porous disc 4 and the base plate 7.
Described cylindrical shell 1 top is provided with rising pipe 8, and the outlet below of this rising pipe 8 is provided with graduated cylinder 13.
Claims (6)
1. seepage deformation tester, comprise cylindrical shell (1) and be located at the base plate (7) of this cylindrical shell (1) lower end, this cylindrical shell (1) bottom links to each other with water tank (12) by supply channel, it is characterized in that, the bottom is provided with support (6) in cylindrical shell, bottom porous disc (4) with holes is equipped with in support (6) upper end, be provided with in the cylindrical shell (1) of bottom porous disc (4) top and place with holes on the test specimen (14) and double-deck porous disc (16) that pore size is adjustable, this bilayer porous disc (16) top is provided with the device of regulating double-deck porous disc (16) load-bearing pressure, and described cylindrical shell (1) outer wall is provided with piezometric tube (5).
2. seepage deformation tester according to claim 1 is characterized in that, the structure of the device of the double-deck porous disc of described adjusting (16) load-bearing pressure is that this bilayer porous disc (16) links to each other with an increased pressure board (2) by transmission rod (3).
3. seepage deformation tester according to claim 1 is characterized in that, described supply channel is provided with the flowmeter (10) of the variation that is used for writing down pressure gauge (9) that the process of the test water pressure changes and flow.
4. seepage deformation tester according to claim 1 is characterized in that, described outlet pipeline is provided with valve (11).
5. seepage deformation tester according to claim 1 is characterized in that, is provided with cobblestone (15) between described bottom porous disc (4) and the base plate (7).
6. seepage deformation tester according to claim 1 is characterized in that, described cylindrical shell (1) top is provided with rising pipe (8), and the outlet below of this rising pipe (8) is provided with graduated cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020694296 CN201926607U (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020694296 CN201926607U (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926607U true CN201926607U (en) | 2011-08-10 |
Family
ID=44430452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020694296 Expired - Lifetime CN201926607U (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926607U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169082A (en) * | 2010-12-31 | 2011-08-31 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
| CN102359930A (en) * | 2011-09-19 | 2012-02-22 | 西安公路养护技术工程研究中心有限公司 | Test method for porosity of asphalt mixture, and apparatus thereof |
| CN103868838A (en) * | 2014-02-24 | 2014-06-18 | 同济大学 | Soil permeability coefficient measurement system |
| CN104359818A (en) * | 2014-10-31 | 2015-02-18 | 盐城工学院 | System for testing permeability coefficient of straw material |
| CN105203443A (en) * | 2015-10-28 | 2015-12-30 | 扬州大学 | Penetration coefficient determination apparatus for permeable asphalt concrete track board test piece, and test method thereof |
| CN105717024A (en) * | 2016-02-19 | 2016-06-29 | 龙岩学院 | Device for testing performance of grouting and water plugging material for mine and application method of device |
| CN108181225A (en) * | 2018-02-27 | 2018-06-19 | 甘肃省建材科研设计院 | A kind of barrier performance and permeability test device and test method |
-
2010
- 2010-12-31 CN CN 201020694296 patent/CN201926607U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169082A (en) * | 2010-12-31 | 2011-08-31 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
| CN102169082B (en) * | 2010-12-31 | 2012-07-04 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
| CN102359930A (en) * | 2011-09-19 | 2012-02-22 | 西安公路养护技术工程研究中心有限公司 | Test method for porosity of asphalt mixture, and apparatus thereof |
| CN103868838A (en) * | 2014-02-24 | 2014-06-18 | 同济大学 | Soil permeability coefficient measurement system |
| CN103868838B (en) * | 2014-02-24 | 2016-04-06 | 同济大学 | Soil body osmotic coefficient measuring system |
| CN104359818A (en) * | 2014-10-31 | 2015-02-18 | 盐城工学院 | System for testing permeability coefficient of straw material |
| CN104359818B (en) * | 2014-10-31 | 2017-01-25 | 盐城工学院 | System for testing permeability coefficient of straw material |
| CN105203443A (en) * | 2015-10-28 | 2015-12-30 | 扬州大学 | Penetration coefficient determination apparatus for permeable asphalt concrete track board test piece, and test method thereof |
| CN105717024A (en) * | 2016-02-19 | 2016-06-29 | 龙岩学院 | Device for testing performance of grouting and water plugging material for mine and application method of device |
| CN108181225A (en) * | 2018-02-27 | 2018-06-19 | 甘肃省建材科研设计院 | A kind of barrier performance and permeability test device and test method |
| CN108181225B (en) * | 2018-02-27 | 2020-05-15 | 甘肃省建材科研设计院 | Seepage-proofing performance and air permeability testing device and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20120704 |