CN105717027A - Test device for rock permeability by simulating underground deep rock environment - Google Patents
Test device for rock permeability by simulating underground deep rock environment Download PDFInfo
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- CN105717027A CN105717027A CN201610300398.XA CN201610300398A CN105717027A CN 105717027 A CN105717027 A CN 105717027A CN 201610300398 A CN201610300398 A CN 201610300398A CN 105717027 A CN105717027 A CN 105717027A
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 239000011435 rock Substances 0.000 title claims abstract description 95
- 230000035699 permeability Effects 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000001764 infiltration Methods 0.000 claims description 18
- 230000008595 infiltration Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000010412 perfusion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a test device for rock permeability by simulating an underground deep rock environment. The test device comprises a rock sample test platform, a temperature control system, a permeability water input system and a seepage quantity collecting system, wherein the permeability water input system comprises an input power device, a pressure adjusting device and a pipeline; the rock sample test platform comprises a test rock sample and a steel tank; the test rock sample is sealed in the steel tank through non-contract concrete; a water outlet of the permeability water input system is communicated with a water inlet of the steel tank; the water outlet of the steel tank is communicated with the seepage quantity collecting system; the temperature control system is arranged on the periphery of the rock sample test platform. The test device provided by the invention has obvious beneficial effects, is simple and convenient in operation, can be used for measuring the permeability coefficient of the rock under different temperatures and performing experimental verification on the influence of temperature field on the seepage field and can be used for recording the seepage quantity in real time and reducing error.
Description
Technical field
The present invention, in During Geotechnical Tests apparatus and equipment field, mine, relates to a kind of rock permeability test equipment simulating underground deep rock mass environment.
Technical background
In the deep mining of mineral products, temperature at the mine at 1000m place, underground tends to reach 40～50 DEG C, in this environment, the internal seepage flow motion occurred of deep rock mass carries out with warm-up movement always, underground temperature field and seepage field also exist nonlinear complicated coupling relation, and deep rock mass Penetration Signature in high temperature environments changes and then causes that seepage field distribution changes and the temperature change impact on seepage field distribution.
In order to explore the temperature field impact on seepage field, it is necessary to under condition of different temperatures, Rockmass Permeabuity Coefficient is tested.
Summary of the invention
The present invention is to the test problem of Rockmass Permeabuity Coefficient under seepage field for temperature field under solution deep rock mass hot environment, it is provided that a kind of rock permeability test equipment simulating underground deep rock mass environment.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is:
A kind of rock permeability test equipment simulating underground deep rock mass environment, including rock sample test platform, temperature control system, infiltration water input system and water percolating capacity acquisition system, infiltration water input system includes input power device and regulator and pipeline, infiltration water input system inputs the current of steady pressure by power set and regulator to rock sample test platform, rock sample test platform is carried out temperature control by temperature control system, to reach the pressure and temperature environment of simulation underground deep rock mass, again through the water percolating capacity in the water percolating capacity acquisition system analytical unit time, thus obtaining rock permeability test data.
Further, rock sample test platform includes test rock sample and cylinder of steel, is sealed in cylinder of steel by test rock sample by non-shrinkage concrete；The outlet of infiltration water input system connects with the water inlet of cylinder of steel, and the outlet of cylinder of steel connects with water percolating capacity acquisition system, and temperature control system is arranged on around rock sample test platform.
Further, described cylinder of steel is cylindrical, and the two ends of cylinder of steel respectively set a ring flange, respectively water-in flange dish and water-output flange dish, for being tightly connected between tank body and ring flange；Be provided with the water inlet of cylinder of steel at water-in flange dish, water-output flange dish is provided with the outlet of cylinder of steel.
Further, described infiltration water input system includes water butt, hydraulic test pump, vacuum tank, valve, Pressure gauge and hydraulic pipeline；Described input power device adopts hydraulic test pump, simultaneously hydraulic test pump and vacuum tank, hydraulic pipeline, valve and Pressure gauge composition regulator.
Further, described water butt is connected with the water inlet of hydraulic test pump by hydraulic pipeline, the outlet of hydraulic test pump is connected with the water inlet of cylinder of steel through hydraulic pipeline and valve by vacuum tank, and Pressure gauge is separately positioned on the entery and delivery port place of the water outlet of hydraulic test pump, vacuum tank outlet pipeline place and cylinder of steel.
Further, described temperature control system includes tun, heater and Temperature sampler, and rock sample test platform is placed in tun.
Further, described temperature control system is placed on support platform, and heater and Temperature sampler pass through signal communication.
Further, described tun is rustless steel container, and heater is electromagnetic heating furnace, and Temperature sampler is thermometer.
Further, described water percolating capacity acquisition system includes water receiving container and flow data collector device；The outlet of cylinder of steel is placed in water receiving container.
Further, flow data collector device includes electronic scale and video camera, and water receiving container is placed on electronic scale, is provided with data on flows signal transmitting apparatus in electronic scale, and the photographic head of video camera faces electronic scale data display panel.
Further, described hydraulic pipeline adopts high pressure-bearing rubber tube.
The technique effect of the present invention is as follows:
1, the infiltration coefficient of rock under different temperatures can be measured；
2, simple operation is simple, and rock test temperature regulable control is convenient, it is possible on the impact of seepage field, temperature field is carried out experimental verification, video camera real time record seepage discharge, reduces the error that experiment measuring is caused by evaporation；
3, special non-shrinkage concrete perfusion cylinder of steel, decreases the error that in seepage flow test, seepage flow body causes from test rock sample sidewall seepage flow.
Accompanying drawing explanation
Fig. 1 is the installation process figure of rock sample test platform of the present invention.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is test curve figure of the present invention.
Accompanying drawing illustrates: Pressure gauge 1, valve 2, rock sample test platform 3, cylinder of steel 31, test rock sample 32, non-shrinkage concrete 33, ring flange 34, support platform 4, water receiving container 5, electronic scale 6, hydraulic pipeline 7, hydraulic test pump 8, water butt 9, video camera 10, thermometer 11, heater 12, tun 13, vacuum tank 14.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
It is illustrated in figure 1 the scheme of installation of rock sample test platform 3.As it can be seen, the step of this installation process is as follows: the special cylinder of steel 31 of cylinder of height to be 200mm, diameter be 85mm is first vertically placed by (I)；(II) cylinder test rock sample 32 is placed in the center of cylinder of steel 31；(III) at the space perfusion non-shrinkage concrete 33 of test rock sample 32 with cylinder of steel 31, the non-shrinkage concrete 33 keeping perfusion is concordant with test rock sample 32；(IV) after non-shrinkage concrete 33 hardens, a ring flange 34 is respectively set at the two ends of cylinder of steel 3, respectively water-in flange dish and water-output flange dish, in water-in flange dish middle, one water inlet is set, water-output flange dish middle arranges an outlet, then is sealed by the test rock sample 32 in cylinder of steel 31.
After testing ring flange 34 and cylinder of steel 31 seal intact after, rock sample installs, it is possible to carry out the test of temperature test rock permeability.
The rock permeability test equipment of the simulation underground deep rock mass environment shown in Fig. 2, including rock sample test platform 3, temperature control system, infiltration water input system and water percolating capacity acquisition system, infiltration water input system includes input power device and regulator and pipeline.
Rock sample test platform 3 is arranged on the track of support and is immersed in heating large container 13, and rock sample test platform 3 includes test rock sample 32 and cylinder of steel 31, is sealed in cylinder of steel 31 by test rock sample 32 by non-shrinkage concrete 33.The outlet of infiltration water input system connects with the water inlet of cylinder of steel 31, and the outlet of cylinder of steel 31 connects with water percolating capacity acquisition system, and temperature control system is arranged on rock sample test platform 3 around.
Infiltration water input system inputs the current of steady pressure by power set and regulator to rock sample test platform 3, rock sample test platform 3 is carried out temperature control by temperature control system, to reach the pressure and temperature environment of simulation underground deep rock mass, again through the water percolating capacity in the water percolating capacity acquisition system analytical unit time, thus obtaining rock permeability test data.
Infiltration water input system includes water butt 9, hydraulic test pump 8, vacuum tank 14, valve 2, Pressure gauge 1 and hydraulic pipeline 7；Described input power device adopts hydraulic test pump 8, and hydraulic test pump 8 is preferably manual pressure test pump, and hydraulic test pump 8 forms regulator with vacuum tank 14, hydraulic pipeline 7, valve 2 and Pressure gauge 1 simultaneously.
Water butt 9 is connected with the water inlet of hydraulic test pump 8 by hydraulic pipeline 7, and hydraulic pipeline 7 includes output rubber tube, water inlet rubber tube and water outlet rubber tube；Water butt 9 and hydraulic test pump 8 connect by exporting rubber tube.Hydraulic test pump 8 is connected by vacuum tank 14 and water inlet rubber tube with the water inlet of rock sample test platform 3, the outlet connection water outlet rubber tube of rock sample test platform 3.Two valves 2 are separately positioned on water inlet rubber tube and the water outlet rubber tube at rock sample test platform 3 two ends, and respectively close to the water inlet of rock sample test platform 3 and outlet.The entery and delivery port place of the water outlet of hydraulic test pump 8, vacuum tank 14 outlet pipeline 7 place and cylinder of steel 31 is respectively provided with Pressure gauge 1.
Hydraulic pipeline 7 preferably employs high pressure-bearing rubber tube.After manual pressure test pump pressurization, the hydraulic pressure data of observed pressure table 1, valve 2 regulate the differential water pressures of rock sample test platform 3 both sides.
Temperature control system includes tun 13, heater 12 and Temperature sampler 11, and rock sample test platform 3 is placed in tun 13；Tun 13 is preferably rustless steel container, and heater 12 is electromagnetic heating furnace, and Temperature sampler 11 is thermometer.Temperature control system is placed on support platform 4, and heater 12 and Temperature sampler 11 pass through signal communication.
Water percolating capacity acquisition system includes water receiving container 5 and flow data collector device；The outlet of cylinder of steel 31 is placed in water receiving container 5.Flow data collector device includes electronic scale 6 and video camera 10, and water receiving container 5 is placed on electronic scale 6, is provided with data on flows signal transmitting apparatus in electronic scale 6, and the photographic head of video camera 10 faces electronic scale data display panel.
From the outlet seepage flow of rock sample test platform 3 water out, drip in water receiving container 5, after recorded instantaneous water yield data by video camera 10.
The analysis of the accuracy of test:
(1) this test system can be used for testing infiltration coefficient less than 5 × 10-7Cm/s or 1 × 10-6The rock sample of cm/s, the test curve in Fig. 3.
(2) adopt steel hermetically sealed can and non-shrinkage concrete as sample sidewall, it is achieved that strict seal, solve and avoid sidewall leakage problems, improve measuring accuracy.
(3) adopt manual pressure test pump to increase osmotic pressure, can select and improve osmotic pressure in a big way, solve the rock sample hyposmosis quick test problem of coefficient material infiltration coefficient, improve testing efficiency, adopt vacuum tank to ensure that measuring accuracy.
(4) sample size, namely the diameter of sample can be optional in 50-100mm scope, height optional at 100-150mm, the big I of cylinder of steel according to engineering specifications need make corresponding size carry out permeability test.
(5) adopt video camera Monitoring Data, timely collection, the man's activities such as survey measurements can be reduced, improve certainty of measurement, it is achieved test when unmanned.
Claims (10)
1. the rock permeability test equipment simulating underground deep rock mass environment, including rock sample test platform (3), temperature control system, infiltration water input system and water percolating capacity acquisition system, infiltration water input system includes input power device and regulator and pipeline, it is characterized in that, infiltration water input system inputs the current of steady pressure by power set and regulator to rock sample test platform (3), rock sample test platform (3) is carried out temperature control by temperature control system, to reach the pressure and temperature environment of simulation underground deep rock mass, again through the water percolating capacity in the water percolating capacity acquisition system analytical unit time, thus obtaining rock permeability test data.
2. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 1, it is characterized in that, rock sample test platform (3) includes test rock sample (32) and cylinder of steel (31), test rock sample (32) is sealed in cylinder of steel (31) by non-shrinkage concrete (33)；The outlet of infiltration water input system connects with the water inlet of cylinder of steel (31), and the outlet of cylinder of steel (31) connects with water percolating capacity acquisition system, and temperature control system is arranged on rock sample test platform (3) around.
3. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 2, it is characterized in that, described cylinder of steel (31) is cylindrical, the two ends of cylinder of steel (31) respectively set a ring flange (34), respectively water-in flange dish and water-output flange dish, for being tightly connected between tank body and ring flange；Be provided with the water inlet of cylinder of steel (31) at water-in flange dish, water-output flange dish is provided with the outlet of cylinder of steel (31).
4. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 2, it is characterized in that, described infiltration water input system includes water butt (9), hydraulic test pump (8), vacuum tank (14), valve (2), Pressure gauge (1) and hydraulic pipeline (7)；Described input power device adopts hydraulic test pump (8), simultaneously hydraulic test pump (8) and vacuum tank (14), hydraulic pipeline (7), valve (2) and Pressure gauge (1) composition regulator.
5. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 4, it is characterized in that, described water butt (9) is connected by the water inlet of hydraulic pipeline (7) with hydraulic test pump (8), the outlet of hydraulic test pump (8) is connected with the water inlet of cylinder of steel (31) through hydraulic pipeline (7) and valve (2) by vacuum tank (14), and Pressure gauge (1) is separately positioned on the entery and delivery port place of the water outlet of hydraulic test pump (8), vacuum tank (14) outlet pipeline (7) place and cylinder of steel (31).
6. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 1, it is characterized in that, described temperature control system includes tun (13), heater (12) and Temperature sampler (11), and rock sample test platform (3) is placed in tun (13).
7. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 6, it is characterised in that described temperature control system is placed in support platform (4), and heater (12) and Temperature sampler (11) pass through signal communication.
8. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 6, it is characterised in that described tun (13) is rustless steel container, and heater (12) is electromagnetic heating furnace, and Temperature sampler (11) is thermometer.
9. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 2, it is characterised in that described water percolating capacity acquisition system includes water receiving container (5) and flow data collector device；The outlet of cylinder of steel (31) is placed in water receiving container (5).
10. a kind of rock permeability test equipment simulating underground deep rock mass environment according to claim 9, it is characterized in that, flow data collector device includes electronic scale (6) and video camera (10), water receiving container (5) is placed on electronic scale (6), being provided with data on flows signal transmitting apparatus in electronic scale (6), the photographic head of video camera (10) faces electronic scale data display panel.
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| CN201610300398.XA CN105717027B (en) | 2016-05-09 | 2016-05-09 | A kind of rock permeability test equipment of simulation underground deep rock mass environment |
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| CN201610300398.XA CN105717027B (en) | 2016-05-09 | 2016-05-09 | A kind of rock permeability test equipment of simulation underground deep rock mass environment |
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| CN105717027A true CN105717027A (en) | 2016-06-29 |
| CN105717027B CN105717027B (en) | 2018-07-31 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106769608A (en) * | 2017-02-15 | 2017-05-31 | 北京工业大学 | A kind of measure apparatus and method of ancient building ground brick paving water penetration and water imbibition |
| CN106840998A (en) * | 2017-01-06 | 2017-06-13 | 浙江大学城市学院 | The concrete pressure infiltration experiment device and its operating method of a kind of water temp adjustable |
| CN106970200A (en) * | 2017-03-27 | 2017-07-21 | 安徽理工大学 | A kind of rock drying and watering cycle experimental provision of temperature-control pressure-control |
| CN109975193A (en) * | 2019-04-23 | 2019-07-05 | 中国华能集团清洁能源技术研究院有限公司 | Device for measuring heat storage parameters of aquifer and method for calculating leakage rate and heat loss rate of device |
| CN112082919A (en) * | 2020-08-21 | 2020-12-15 | 西南交通大学 | Device for testing permeability of graded broken stone-high polymer grouting solidified body |
| CN113075107A (en) * | 2021-03-29 | 2021-07-06 | 西南交通大学 | Device and method for testing permeability coefficient of fractured rock mass under different water pressure conditions |
| CN113866066A (en) * | 2021-10-26 | 2021-12-31 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse hole seepage monitoring method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840998A (en) * | 2017-01-06 | 2017-06-13 | 浙江大学城市学院 | The concrete pressure infiltration experiment device and its operating method of a kind of water temp adjustable |
| CN106769608A (en) * | 2017-02-15 | 2017-05-31 | 北京工业大学 | A kind of measure apparatus and method of ancient building ground brick paving water penetration and water imbibition |
| CN106970200A (en) * | 2017-03-27 | 2017-07-21 | 安徽理工大学 | A kind of rock drying and watering cycle experimental provision of temperature-control pressure-control |
| CN109975193A (en) * | 2019-04-23 | 2019-07-05 | 中国华能集团清洁能源技术研究院有限公司 | Device for measuring heat storage parameters of aquifer and method for calculating leakage rate and heat loss rate of device |
| CN112082919A (en) * | 2020-08-21 | 2020-12-15 | 西南交通大学 | Device for testing permeability of graded broken stone-high polymer grouting solidified body |
| CN113075107A (en) * | 2021-03-29 | 2021-07-06 | 西南交通大学 | Device and method for testing permeability coefficient of fractured rock mass under different water pressure conditions |
| CN113075107B (en) * | 2021-03-29 | 2022-04-29 | 西南交通大学 | Device and method for testing permeability coefficient of fractured rock mass under different water pressure conditions |
| CN113866066A (en) * | 2021-10-26 | 2021-12-31 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse hole seepage monitoring method and system |
| CN113866066B (en) * | 2021-10-26 | 2023-11-03 | 贵州乌江水电开发有限责任公司东风发电厂 | Three-dimensional visual hydropower station underground powerhouse chamber water seepage monitoring method and system |
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| CN105717027B (en) | 2018-07-31 |
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