CN102169082B - Seepage deformation tester - Google Patents
Seepage deformation tester Download PDFInfo
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- CN102169082B CN102169082B CN 201010618150 CN201010618150A CN102169082B CN 102169082 B CN102169082 B CN 102169082B CN 201010618150 CN201010618150 CN 201010618150 CN 201010618150 A CN201010618150 A CN 201010618150A CN 102169082 B CN102169082 B CN 102169082B
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- seepage deformation
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a seepage deformation tester and belongs to the field of a test device for rock-soil seepage deformation parameters. The tester comprises a cylinder and a base board arranged at the lower end of the cylinder, wherein the lower part of the cylinder is connected with a water tank through a water pipeline; a bracket is arranged on the inner lower part of the cylinder; the upper end of the bracket is provided with a lower porous plate with pores; a double-layered porous plate which has pores is arranged in the cylinder above the lower porous plate, wherein the pore size of the pores of the double-layered porous plate is adjustable; a device for adjusting a bearing pressure of the double-layered porous plate is arranged above the double-layered porous plate; and a pressure-measuring pipe is arranged on the outer wall of the cylinder. The stress of a tested component is adjusted by adjusting the pressure of a pressing plate, thereby inspecting the influence of the stress change on rock soil seepage deformation critical hydraulic gradient. The seepage coefficient of rock soil after seepage deformation is calculated by recording flow change in the seepage deformation process. The device has reasonable technical design, simple and reliable structure, is conveniently operated and is mainly applied to the fields such as hydraulic and hydro-power engineering, civil engineering, and the like.
Description
Technical field
The present invention 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, the seepage deformation tester of especially testing to 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 to 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 matters that the present invention will solve is; Can not reasonably determine rock soil mass to existing ground seepage deformation appearance and ooze required indexs such as the critical hydraulic gradient deficiency 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 invention is; A kind of seepage deformation tester comprises cylindrical shell and the base plate that is located at this cylindrical shell lower end, and this cylindrical shell bottom links to each other with water tank through supply channel; Its design feature is; The bottom is provided with support in cylindrical shell, and bottom porous disc with holes is equipped with in support upper end, is provided with in the cylindrical shell of bottom porous disc top to 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 said 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 said adjusting pressure is that this bilayer porous disc links to each other with an increased pressure board through transmission rod, through 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 said supply channel is provided with pressure gauge and flowmeter, and this supply channel is provided with valve.
Be provided with cobblestone between said bottom porous disc and the base plate.
Said 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 barrel, the pressure that bottom porous disc transmission is come passes to base plate.Judge through 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 through regulating double-deck porous disc pore size control.
The invention has the beneficial effects as follows; Porous disc through being arranged on the test specimen upper and lower side pressurizes to test specimen; Pressure through on the adjustment increased pressure board is adjusted in the stress intensity on the test specimen, reaches to investigate the effect of STRESS VARIATION to the critical hydraulic gradient influence of ground seepage deformation; Through 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 accompanying drawing and embodiment the present invention is done further elaboration.
Fig. 1 is a structure principle chart of the present invention.
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 through 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, is provided with in the cylindrical shell 1 of bottom porous disc 4 tops to place with holes on the test specimen 14 and double-deck porous disc 16 that pore size is adjustable, and 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, said cylindrical shell 1 outer wall is provided with piezometric tube 5.
Said 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 supply channel is provided with valve 11.
Be provided with cobblestone 15 between said bottom porous disc 4 and the base plate 7.
Said 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) through 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 said 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 said adjusting (16) load-bearing pressure is that this bilayer porous disc (16) links to each other with an increased pressure board (2) through transmission rod (3).
3. seepage deformation tester according to claim 1 is characterized in that, said 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, said supply channel is provided with valve (11).
5. seepage deformation tester according to claim 1 is characterized in that, is provided with cobblestone (15) between said bottom porous disc (4) and the base plate (7).
6. seepage deformation tester according to claim 1 is characterized in that, said 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 201010618150 CN102169082B (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010618150 CN102169082B (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102169082A CN102169082A (en) | 2011-08-31 |
| CN102169082B true CN102169082B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010618150 Active CN102169082B (en) | 2010-12-31 | 2010-12-31 | Seepage deformation tester |
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| CN (1) | CN102169082B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866095A (en) * | 2012-09-12 | 2013-01-09 | 中冶集团武汉勘察研究院有限公司 | Multifunctional seepage deformation tester and test method thereof |
| CN105547847A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院武汉岩土力学研究所 | Device for detecting pressure of translating and rotating rigid barricade soil |
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|---|---|---|---|---|
| CN103293286B (en) * | 2013-06-24 | 2015-08-19 | 重庆交通大学 | Soil body phase transformation-Ben structure Coupling Rule test proving installation and method |
| CN103345278A (en) * | 2013-06-25 | 2013-10-09 | 葛洲坝集团试验检测有限公司 | Constant head mass-flow seepage deformation water pressure automatic control device |
| CN104880396B (en) * | 2015-05-26 | 2017-12-05 | 上海大学 | The soil body two is to flow model in porous media device and method of testing under outside charge function |
| CN105910973A (en) * | 2016-05-12 | 2016-08-31 | 长沙理工大学 | Stress-related coarse-grained soil seepage deformation characteristic tester and test method |
| CN106596370A (en) * | 2016-12-09 | 2017-04-26 | 浙江华东建设工程有限公司 | On-site undisturbed sample structure for seepage deformation test and preparation method of on-site undisturbed sample structure |
| CN108593381B (en) * | 2018-05-09 | 2024-01-30 | 同济大学 | Roadbed soil body quantitative humidifying device with controllable stress |
| CN110487699B (en) * | 2019-08-23 | 2022-03-22 | 淮阴工学院 | Testing device and testing method for permeability coefficient of pervious concrete |
| CN111024590B (en) * | 2020-01-13 | 2024-04-26 | 昆明理工大学 | Site measurement discrete material penetration test device capable of fixing soil body |
| CN111504882B (en) * | 2020-06-05 | 2023-04-28 | 陕西工业职业技术学院 | Unsaturated rock soil stress penetration detection device |
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| CN101598658A (en) * | 2009-05-27 | 2009-12-09 | 中国科学院地质与地球物理研究所 | Servo-control earth-rockfill mixture transformation permeameter |
| CN101644651A (en) * | 2009-07-17 | 2010-02-10 | 郑州轻工业学院 | Device for automatically detecting and supplementing concentration of methanol solution in direct methanol fuel cells |
| CN201926607U (en) * | 2010-12-31 | 2011-08-10 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB8920571D0 (en) * | 1989-09-12 | 1989-10-25 | Carr Robert J G | Examination of objects of macromolecular size |
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2010
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Patent Citations (3)
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| CN101598658A (en) * | 2009-05-27 | 2009-12-09 | 中国科学院地质与地球物理研究所 | Servo-control earth-rockfill mixture transformation permeameter |
| CN101644651A (en) * | 2009-07-17 | 2010-02-10 | 郑州轻工业学院 | Device for automatically detecting and supplementing concentration of methanol solution in direct methanol fuel cells |
| CN201926607U (en) * | 2010-12-31 | 2011-08-10 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
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| 赵海斌等.坝基破碎岩体高压渗透变形原位试验.《岩石力学与工程学报》.2009,第28卷(第11期),全文. * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866095A (en) * | 2012-09-12 | 2013-01-09 | 中冶集团武汉勘察研究院有限公司 | Multifunctional seepage deformation tester and test method thereof |
| CN105547847A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院武汉岩土力学研究所 | Device for detecting pressure of translating and rotating rigid barricade soil |
| CN105547847B (en) * | 2015-12-29 | 2018-04-10 | 中国科学院武汉岩土力学研究所 | Translation and the rigid retaining walls soil pressure calculation device rotated can be achieved |
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| Publication number | Publication date |
|---|---|
| CN102169082A (en) | 2011-08-31 |
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Owner name: CHINA POWER GROUP ZHONGNAN INVESTIGATION DESIGN + Free format text: FORMER NAME: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Owner name: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Free format text: FORMER NAME: ZHONGNAN PROSPECTING DESIGN INST. CHINA HYDRAUELECTRIC CONSULTANT GROUP |
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Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Address before: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee before: HYDROCHINA ZHONGNAN ENGINEERING Corp. |
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Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: HYDROCHINA ZHONGNAN ENGINEERING Corp. Address before: 410014, 9 camphor Road, Yuhua District, Hunan, Changsha Patentee before: Mid-South Hydroelectric Investigation & Design Institute of China Hydropower Engineering Consulting Group |