CN109296364A - A kind of method and device improving the accuracy of engineering geological investigation packer permeability test - Google Patents
A kind of method and device improving the accuracy of engineering geological investigation packer permeability test Download PDFInfo
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- CN109296364A CN109296364A CN201811192057.0A CN201811192057A CN109296364A CN 109296364 A CN109296364 A CN 109296364A CN 201811192057 A CN201811192057 A CN 201811192057A CN 109296364 A CN109296364 A CN 109296364A
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- hydraulic pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000035699 permeability Effects 0.000 title claims abstract description 22
- 238000011835 investigation Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 238000000746 purification Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims abstract description 5
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/008—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of methods for improving the accuracy of engineering geological investigation packer permeability test, the present invention is when entering to obtain amount of seepage, pressure water hydraulic pressure in instrument connection, trying the data of segment length hydraulic pressure, it is input in water pressure test case again after the water flow that water pump exports is first passed through the preposition stabilizer of Central water purification, then pressure water is input in instrument connection again by water pressure test case, the accuracy of test can be improved in this way；Meanwhile the baroceptor of gas pressure in compressing gasbag and energy test compression air bag is set in water pressure test case, the hydraulic pressure in water pressure test case is converted by air pressure by compressing gasbag and baroceptor and is reflected, so that the data gone out are more accurate.The present invention not only has many advantages, such as that structure is simple, easy to use, but also has and can effectively eliminate influence caused by water pressure fluctuations, make to test the stability that resulting the data precision is higher, can effectively improve testing efficiency and improve test job.
Description
Technical field
The present invention relates to a kind of method and devices for improving the accuracy of engineering geological investigation packer permeability test, belong to geological mapping
Equipment technical field.
Background technique
The grinding coagulation soil seepage flow of packer permeability test is often in non-constant state, determines and seeps by steady flow in packer permeability test regulation
The method of saturating coefficient is no longer applicable in, and is copied concrete sample quickly to test the method for determining infiltration coefficient, is derived packer permeability test
Seepage flow is in the method and formula that grinding coagulation soil under non-constant status condition seeks infiltration coefficient in the process, and this method was once applied to
River a strip of land between hills engineering site packer permeability test, more really reflects the Penetration Signature of grinding coagulation soil, and packer permeability test is with high pressure side
Hydraulic pressure is entered drilling by formula, is let it pass according to rock body water absorption meter and is solved a kind of in-situ test of rock mass fracture growth situation and water penetration,
Packer permeability test is that the boring test section of certain length is isolated with special seal installation, then with the water of fixed hydraulic pressure to
This section of fields water injection, water are permeated by the crack around hole wall into rock mass, and the water finally permeated can tend to a stabilization
Value according to pressure water hydraulic pressure, examination segment length and stablizes infiltration water, can determine the power of permeability of rock massf.And existing hydraulic pressure
Test device is all that the theoretical value of constant infiltration water flow is estimated by measuring the seepage flow of non-constant state, error deviation compared with
Greatly, it while pressing water hydraulic pressure, examination segment length and the stable measurement process for penetrating into water many and diverse, easily occurs error, shadow in measurement process
Ring final data.Therefore, existing engineering geological investigation packer permeability test mode or not ideal enough, is not able to satisfy actual use
Needs.
Summary of the invention
The raising engineering geological investigation that the object of the present invention is to provide a kind of structures is simple, easy to use, measurement accuracy is high
The method and device of packer permeability test accuracy, with overcome the deficiencies in the prior art.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of method of raising engineering geological investigation packer permeability test accuracy of the invention, which is that this method includes that use is existing, incites somebody to action
It is next true that hydraulic pressure enters amount of seepage acquired in the instrument connection of reconnoitred geologic structure, pressure water hydraulic pressure, the data of examination segment length
The method of the seepage of water of the fixed geologic structure for reconnoitre test, by hydraulic pressure enter acquisition amount of seepage in instrument connection, press water hydraulic pressure,
When trying the data of segment length, it is input to water pressure test case again after the water flow that water pump exports is first passed through the preposition stabilizer of Central water purification
In, then pressure water is input in instrument connection by water pressure test case again, the water flow that water pump can in this way exported is never permanent
Determine state to be turned into compared with steady state, make experimental result more close to theoretical value, to reduce test error, improves the standard of test
Exactness；Meanwhile the baroceptor of gas pressure in compressing gasbag and energy test compression air bag is set in water pressure test case, lead to
Hydraulic pressure in water pressure test case is converted into air pressure and reflected by overcompression air bag and baroceptor, at the beginning of can making hydraulic pressure in this way
Initial value and infiltration after value it is more uniform be reflected in data so that go out data it is more accurate.
A kind of raising engineering geological investigation packer permeability test of the invention of the above method is constituted and is used for according to the above method
The device of accuracy, including water pump and mounting plate, are fixed with water pump and the water pressure test equipped with pressure-resistant seal lid on a mounting board
Case is equipped with penstock and compressing gasbag in the inner cavity of water pressure test case, and compressing gasbag is located in the inner cavity of penstock, in hydraulic pressure
Equipped with the solenoid valve that the inner cavity of penstock can be made to be connected or separate with the inner cavity of water pressure test case on pipe, connect on compressing gasbag
It is connected to the baroceptor that can detect air pressure in compressing gasbag, the output end of water pump passes through pipeline and Central water purification voltage pre regulator
Input port connection, the delivery outlet of Central water purification voltage pre regulator is connected to by pipeline with water pressure test box cavity, in mounting plate
Bottom close to the lower section of water pressure test case be equipped with electric pushrod, electric pushrod be the hollow structure equipped with inner cavity, electric pushrod
Inner cavity and the inner cavity of water pressure test case come round, the water that can be allowed in electric pushrod inner cavity is socketed in the mobile bar of electric pushrod
The hydraulic pressure set being forced out is fixed with the big envelope that can all cover electric pushrod in the bottom of mounting plate, fills in the bottom end of big envelope
There is one-way cock, geodimeter is fixed at the top of big envelope, is fixed with photelectric receiver, photoelectric measuring in the bottom of hydraulic pressure set
Distance meter is located at the surface of photelectric receiver；The input terminal of water pump is connected by pressure hose and the filtering head for filtered water inlet
It connects.
Equipped with for showing the display screen of data, the microprocessor for handling data and control on above-mentioned water pressure test case
The signal output end of panel processed, baroceptor is connect by signal wire with microprocessor, electric pushrod, water pump, electro-optical distance measurement
The input terminal of instrument, photelectric receiver and solenoid valve is connect with the switch on control panel respectively, and the input terminal switched passes through
Conducting wire is connected with the microprocessor, and the output end of microprocessor is connect with display screen.
Telescopic extensions of the above-mentioned electric pushrod in big envelope are 60~80 centimetres.
By adopting the above-described technical solution, compared with prior art, the present invention the present invention has the following beneficial effects:
1. water flow introducing water pressure test case is tested, cooperation center by being provided with water pump, pressure hose and filtering head
Water purification voltage pre regulator, by water flow, never steady state is turned into compared with steady state, makes experimental result more close to theoretical value, drop
Low error；
2. cooperating solenoid by being provided with compressing gasbag and penstock, by the way that hydraulic pressure is converted into air pressure reaction, make hydraulic pressure
Initial value and infiltration after value it is more uniform be reflected in data, keep the data obtained more accurate；
3. by being provided with geodimeter and photelectric receiver, with pressure sensor and electric pushrod is closed, pressure can be read
Water hydraulic pressure, examination segment length and stable infiltration water multi-group data will not cause relatively large deviation convenient for calculating in measurement process,
Keep result more acurrate.
So compared with prior art, the present invention the present invention not only has the advantages that structure is simple, easy to use, but also
Influence caused by water pressure fluctuations can be effectively eliminated, make to test that resulting the data precision is higher, can effectively improve survey by also having
The advantages that trying efficiency and improving the stability of test job.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the schematic diagram of internal structure of water pressure test case in apparatus of the present invention.
Description of symbols: before 1- mounting plate, 2- water pressure test case, 3- display screen, 4- pressure-resistant seal lid, 5- Central water purification
Set voltage-stablizer, 6- water pump, 7- pressure hose, 8- filtering head, 9- electric pushrod, 10- hydraulic pressure set, 11- photelectric receiver, 12- light
Electrical measurement distance meter, 13- solenoid valve, 14- baroceptor, 15- compressing gasbag, 16- penstock, 17- big envelope, 18- one-way cock.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of method of raising engineering geological investigation packer permeability test accuracy of the invention is that this method includes using water
It is pressed into amount of seepage acquired in the instrument connection of reconnoitred geologic structure, pressure water hydraulic pressure, tries the data of segment length to determine
Reconnoitre test geologic structure seepage of water method, it is characterised in that: by hydraulic pressure enter in instrument connection obtain amount of seepage,
When pressing water hydraulic pressure, trying the data of segment length, it is input to again after the water flow that water pump exports is first passed through the preposition stabilizer of Central water purification
In water pressure test case, then pressure water is input in instrument connection again by water pressure test case, water pump can in this way exported
Never steady state is turned into compared with steady state water flow, makes experimental result more close to theoretical value, to reduce test error, mentions
The accuracy of height test；Meanwhile the gas of gas pressure in compressing gasbag and energy test compression air bag is set in water pressure test case
Hydraulic pressure in water pressure test case is converted into air pressure by compressing gasbag and baroceptor and reflected, in this way by pressure sensor
Can make hydraulic pressure initial value and infiltration after value it is more uniform be reflected in data so that go out data it is more accurate.
A kind of raising engineering geological investigation packer permeability test of the invention of the above method is constituted and is used for according to the above method
The device of accuracy, as depicted in figs. 1 and 2, the device include water pump 6 and mounting plate 1, and 6 He of water pump is fixed on mounting plate 1
Water pressure test case 2 equipped with pressure-resistant seal lid 4 is equipped with penstock 16 and compressing gasbag 15, pressure in the inner cavity of water pressure test case 2
Contracting air bag 15 is located in the inner cavity of penstock 16, equipped with the inner cavity and water pressure test case 2 that can make penstock 16 on penstock 16
The inner cavity solenoid valve 13 that is connected or separates, the air pressure that can detect air pressure in compressing gasbag 15 is connected on compressing gasbag 15
The output end of sensor 14, water pump 6 is connect by pipeline with the input port of Central water purification voltage pre regulator 5, and Central water purification is preposition
The delivery outlet of voltage-stablizer 5 is connected to by pipeline with 2 inner cavity of water pressure test case, in the bottom of mounting plate 1 close to water pressure test case 2
Lower section is equipped with electric pushrod 9, and electric pushrod 9 is the hollow structure equipped with inner cavity, the inner cavity of electric pushrod 9 and water pressure test case 2
Inner cavity come round, the hydraulic pressure set that the water in 9 inner cavity of electric pushrod can be allowed to be forced out is socketed in the mobile bar of electric pushrod 9
10, the big envelope 17 that electric pushrod 9 can be all covered is fixed in the bottom of mounting plate 1, in the bottom end of big envelope 17 equipped with unidirectional
Valve 18 is fixed with geodimeter 12 at the top of big envelope 17, is fixed with photelectric receiver 11, light in the bottom of hydraulic pressure set 10
Electrical measurement distance meter 12 is located at the surface of photelectric receiver 11；The input terminal of water pump 6 is by pressure hose 7 and for filtered water inlet
Filtering head 8 connects；When production, with fashionable dress for showing the display screen 3 of data, for handling data on water pressure test case 2
The signal output end of baroceptor 14 is connect by signal wire with microprocessor by microprocessor and control panel, will be electronic
Push rod 9, water pump 6, geodimeter 12, photelectric receiver 11 and solenoid valve 13 input terminal in the usual way respectively with control
Switch connection on panel, and be connected with the microprocessor the input terminal of switch respectively by conducting wire by requirement, it will be micro-
The output end of processor is connect with display screen 3 in a conventional manner；When production, by telescopic extensions of the electric pushrod 9 in big envelope 17
Control the range at 60~80 centimetres.
Used Central water purification voltage pre regulator 5, baroceptor 14, electric pushrod 9, photoelectric measuring in the present embodiment
Components such as distance meter 12, microprocessor etc. can directly adopt the finished product sold in the market, and each component end item is preferably in the market
The component for the following model sold: the model JY-P300 of baroceptor 14, the model YNT-03 of electric pushrod 9, photoelectricity
The model SW-Q80 of rangefinder 12, the model ARM9TDMI of microprocessor.
The working principle of the invention is described as follows:
Big envelope 17: when carrying out engineering geological investigation packer permeability test, being first plugged in the instrument connection being drilled by working principle,
Cooperate water pump 6 and pressure hose 7 that the hydraulic pressure at water source into water pressure test case 2, is pressed into the water pressure test in water by filtering head 8
When in case 2, become compared with steady state, then in water pressure test case 2 by the water flow that the preposition stabilizer 5 of Central water purification will be pressed into
Water is by 10 indentation big envelopes 17 of hydraulic pressure set, by the one-way cock 18 of the bottom of big envelope 17 by the test of water penetration to instrument connection
In crack, at this moment the water in water pressure test case 2 entered in penstock 16 also by solenoid valve 13 make compressing gasbag 15 by with
The identical pressure of hydraulic pressure in water pressure test case 2, the hydraulic pressure pressure are converted by the baroceptor 14 connecting with compressing gasbag 15
For atmospheric pressure, the hydraulic pressure of its pressure water, examination segment length and the stable data for penetrating into water in this way pass through baroceptor 14 and light
Electric receiver 11, geodimeter 12 are identified to be shown on display screen 3 respectively and read.
Claims (4)
1. hydraulic pressure is entered reconnoitred geology knot including using by a kind of method for improving the accuracy of engineering geological investigation packer permeability test
Acquired amount of seepage, pressure water hydraulic pressure in the instrument connection of structure try the data of segment length to determine geology knot reconnoitre and tested
The method of the seepage of water of structure, it is characterised in that: hydraulic pressure is being entered to obtain amount of seepage, pressure water hydraulic pressure, examination segment length in instrument connection
Data when, by water pump export water flow first pass through the preposition stabilizer of Central water purification after be input in water pressure test case again, then
Pressure water is input in instrument connection by water pressure test case again, never steady state becomes the water flow that water pump can in this way exported
As compared with steady state, make experimental result more close to theoretical value, to reduce test error, improves the accuracy of test；Together
When, the baroceptor of gas pressure in compressing gasbag and energy test compression air bag is set in water pressure test case, passes through compression
Hydraulic pressure in water pressure test case is converted into air pressure and reflected by air bag and baroceptor, can make in this way hydraulic pressure initial value and
Value after infiltration is more uniform to be reflected in data, so that the data gone out are more accurate.
2. a kind of device for improving the accuracy of engineering geological investigation packer permeability test, including water pump (6) and mounting plate (1), feature
It is: is fixed with water pump (6) on mounting plate (1) and be equipped with the water pressure test case (2) of pressure-resistant seal lid (4), in the water pressure test
Penstock (16) and compressing gasbag (15) are housed in the inner cavity of case (2), compressing gasbag (15) is located in the inner cavity of penstock (16),
Equipped with the electromagnetism that the inner cavity of penstock (16) can be made to be connected or separate with the inner cavity of water pressure test case (2) on penstock (16)
Valve (13) is connected with the baroceptor (14) that can detect compressing gasbag (15) interior air pressure, water pump (6) on compressing gasbag (15)
Output end connect with the input port of Central water purification voltage pre regulator (5) by pipeline, Central water purification voltage pre regulator (5) it is defeated
Outlet is connected to by pipeline with water pressure test case (2) inner cavity, in the bottom of mounting plate (1) close to the lower section of water pressure test case (2)
Equipped with electric pushrod (9), electric pushrod (9) is the hollow structure equipped with inner cavity, the inner cavity of electric pushrod (9) and water pressure test case
(2) inner cavity is come round, and being socketed in the mobile bar of electric pushrod (9) can allow the water in electric pushrod (9) inner cavity to be forced out
Hydraulic pressure set (10), being fixed in the bottom of mounting plate (1) can be by the big envelope (17) that electric pushrod (9) all cover, in big envelope
(17) bottom end is equipped with one-way cock (18), geodimeter (12) is fixed at the top of big envelope (17), in hydraulic pressure set (10)
Bottom be fixed with photelectric receiver (11), geodimeter (12) is located at the surface of photelectric receiver (11)；Water pump (6)
Input terminal is connect by pressure hose (7) with the filtering head (8) for filtered water inlet.
3. the device according to claim 2 for improving the accuracy of engineering geological investigation packer permeability test, it is characterised in that: in water
It presses and the display screen (3) for showing data, microprocessor and control panel for handling data, gas is housed on chamber (2)
The signal output end of pressure sensor (14) is connect by signal wire with microprocessor, electric pushrod (9), water pump (6), electro-optical distance measurement
The input terminal of instrument (12), photelectric receiver (11) and solenoid valve (13) is connect with the switch on control panel respectively, and is switched
Input terminal be connected with the microprocessor by conducting wire, the output end of microprocessor is connect with display screen (3).
4. the device according to claim 2 for improving the accuracy of engineering geological investigation packer permeability test, it is characterised in that: electronic
Telescopic extensions of the push rod (9) in big envelope (17) are 60~80 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192057.0A CN109296364B (en) | 2018-10-12 | 2018-10-12 | Method and device for improving accuracy of engineering geological investigation pressurized water test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192057.0A CN109296364B (en) | 2018-10-12 | 2018-10-12 | Method and device for improving accuracy of engineering geological investigation pressurized water test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296364A true CN109296364A (en) | 2019-02-01 |
| CN109296364B CN109296364B (en) | 2023-05-02 |
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ID=65162554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811192057.0A Active CN109296364B (en) | 2018-10-12 | 2018-10-12 | Method and device for improving accuracy of engineering geological investigation pressurized water test |
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| CN (1) | CN109296364B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186827A (en) * | 2019-04-09 | 2019-08-30 | 河海大学 | A kind of packer permeability test device and test method |
| CN113466099A (en) * | 2021-06-17 | 2021-10-01 | 中煤科工集团西安研究院有限公司 | Testing device and testing method for water pressurizing test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1143928A (en) * | 1997-07-29 | 1999-02-16 | Raito Kogyo Co Ltd | Hole boring member for water permeability test, and water permeability test method using same |
| US20020066308A1 (en) * | 2000-12-06 | 2002-06-06 | Shapiro Allen M. | Borehole testing system |
| CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
| CN106869909A (en) * | 2017-01-11 | 2017-06-20 | 河海大学 | It is determined that inclining the test device and its method of testing of filled opening hydrogeological parameter |
| CN206725399U (en) * | 2017-05-22 | 2017-12-08 | 马俊强 | A kind of packer permeability test device of engineering geological investigation |
-
2018
- 2018-10-12 CN CN201811192057.0A patent/CN109296364B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1143928A (en) * | 1997-07-29 | 1999-02-16 | Raito Kogyo Co Ltd | Hole boring member for water permeability test, and water permeability test method using same |
| US20020066308A1 (en) * | 2000-12-06 | 2002-06-06 | Shapiro Allen M. | Borehole testing system |
| CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
| CN106869909A (en) * | 2017-01-11 | 2017-06-20 | 河海大学 | It is determined that inclining the test device and its method of testing of filled opening hydrogeological parameter |
| CN206725399U (en) * | 2017-05-22 | 2017-12-08 | 马俊强 | A kind of packer permeability test device of engineering geological investigation |
Non-Patent Citations (1)
| Title |
|---|
| 段伟强;何金生;李石雷;: "苏丹大坝勘察岩体压水试验存在问题浅析及试验成果分析研究" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186827A (en) * | 2019-04-09 | 2019-08-30 | 河海大学 | A kind of packer permeability test device and test method |
| CN113466099A (en) * | 2021-06-17 | 2021-10-01 | 中煤科工集团西安研究院有限公司 | Testing device and testing method for water pressurizing test |
| CN113466099B (en) * | 2021-06-17 | 2023-09-19 | 中煤科工集团西安研究院有限公司 | Pressurized water test device and method |
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| Publication number | Publication date |
|---|---|
| CN109296364B (en) | 2023-05-02 |
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