CN106769788A - A kind of Rock And Soil packer permeability test device and method of testing - Google Patents
A kind of Rock And Soil packer permeability test device and method of testing Download PDFInfo
- Publication number
- CN106769788A CN106769788A CN201710091824.8A CN201710091824A CN106769788A CN 106769788 A CN106769788 A CN 106769788A CN 201710091824 A CN201710091824 A CN 201710091824A CN 106769788 A CN106769788 A CN 106769788A
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- Prior art keywords
- permeability test
- packer permeability
- osmometer
- rock
- test section
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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
- G01N15/082—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
Abstract
The invention provides a kind of Rock And Soil packer permeability test device, including sealing embolism, water supply installation and measuring equipment, the water supply installation includes containing water tank, and the sealing embolism is used to block a section of packer permeability test drilling, forms packer permeability test section；The measuring equipment includes being fixedly installed in the packer permeability test section for measuring the osmometer of test section pressure, being installed on the interior osmometer and packer permeability test real time monitoring apparatus for measuring flow of splendid attire water tank；The cable for measuring the osmometer of test section pressure is drawn by the reserved steel pipe apopore of rubber stopper in packer permeability test section, and connects the packer permeability test real time monitoring apparatus；The cable for measuring the osmometer of flow draws the splendid attire water tank, and connects the packer permeability test real time monitoring apparatus.Energy accurate measurements test section pressure of the invention and water supply flow, so as to evaluate the Penetration Signature of Rock And Soil exactly.
Description
Technical field
The invention belongs to Rock And Soil permeability test technical field, more particularly to a kind of Rock And Soil packer permeability test device and survey
Method for testing.
Background technology
When building engineering works on Rock And Soil or in Rock And Soil, it is necessary to study rock in built-up area and its coverage
The water penetration of the soil body.Determine the infiltrative method pressure water experiment of Rock And Soil, water injection test, bailing test etc..Wherein pressure water examination
It is the most frequently used Rock And Soil carried out in drilling original position permeability test to test.Specific practice is in drilling process or drilling terminates
Afterwards, the hole section of a certain length is kept apart with remaining hole section with embolism, with different pressure to examination section inner water-supply, determines its corresponding
Flow value, and accordingly calculate rock mass permeability rate.
Packer permeability test result is mainly used in evaluating Penetration Signature (the permeability rate size and its at various pressures of Rock And Soil
Variation tendency), and as ooze control design basic foundation.Its testing equipment includes sealing embolism, supply equipment and measurement equipment
Deng.
In the prior art, packer permeability test device (see accompanying drawing 1) pressure gauge and flowmeter be outside aperture, pipeline, pipe joint
Deng pressure loss in piping, cause during water data to arrange is pressed, each stage pressure lower pipeline pressure loss demarcates difficult, in addition people
For the influence such as factor and environmental factor is difficult to accurate analysis and evaluates the Penetration Signature of Rock And Soil.
The content of the invention
It is an object of the invention to provide kind of a Rock And Soil packer permeability test device, to solve the above problems.
The embodiment provides a kind of Rock And Soil packer permeability test device, including sealing embolism, water supply installation and amount
Device is surveyed, water supply installation includes containing water tank, and sealing embolism is used to block a section of packer permeability test drilling, forms packer permeability test
Section；Measuring equipment includes being fixedly installed in packer permeability test section for measuring the osmometer of test section pressure, being installed on splendid attire water tank
Interior osmometer and packer permeability test real time monitoring apparatus for measuring flow；The cable for measuring the osmometer of test section pressure leads to
The reserved steel pipe apopore of rubber stopper crossed in packer permeability test section is drawn, and connects packer permeability test real time monitoring apparatus；Measurement
The cable of the osmometer of flow is drawn and contains water tank, and connects packer permeability test real time monitoring apparatus.
Further, sealing embolism is hydraulic type rubber stopper.
Further, water supply installation also include centrifugation suction pump, air-stable room, supply channel and joint, sealing pipeline and
Joint；Centrifugation suction pump is connected with water tank is contained, and air-stable room is connected with suction pump is centrifuged, supply channel and joint, sealing
Pipeline and joint connect air-stable room and packer permeability test section respectively.
Further, air-stable room is provided with drain tap, and supply channel and joint are provided with water supply control valve door, sealing pipeline
And joint is provided with water resistance valve door.
Compared with prior art the beneficial effects of the invention are as follows：Energy accurate measurements test section pressure and water supply flow, so that
The Penetration Signature of Rock And Soil can exactly be evaluated.
Brief description of the drawings
Fig. 1 is the structural representation of Rock And Soil packer permeability test device in the prior art；
Fig. 2 is the structural representation of Rock And Soil packer permeability test device of the present invention；
Fig. 3 is the schematic diagram of Rock And Soil packer permeability test device packer permeability test section of the present invention；
Fig. 4 is the schematic diagram of Rock And Soil packer permeability test device packer permeability test real time monitoring apparatus of the present invention.
Label in Fig. 1：
1- contains water tank；2- is centrifuged suction pump；3- drain taps；4- air-stables room；5- water supply control valves door；6- supplies water
Pipeline and joint；7- water resistance valves door；8- sealings pipeline and joint；9- flowmeters；10- pressure gauges；11- rubber stoppers reserve steel
Pipe apopore；12- rubber stoppers block section；13- packer permeability tests drill.
Specific embodiment
The present invention is described in detail for shown each implementation method below in conjunction with the accompanying drawings, but it should explanation, these
Implementation method not limitation of the present invention, those of ordinary skill in the art according to these implementation method institutes works energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
Shown in ginseng Fig. 2 to Fig. 4, a kind of Rock And Soil packer permeability test device, including sealing embolism, water supply are present embodiments provided
Device and measuring equipment, water supply installation include containing water tank 1, and sealing embolism is used to block a section of packer permeability test drilling 13, shape
Into 12 (rubber stopper block sections) of packer permeability test section；Measuring equipment includes being fixedly installed in packer permeability test section for measuring test section pressure
The osmometer 14 of power, it is installed on and contains in water tank 1 for measuring the osmometer 10 and packer permeability test real time monitoring apparatus 16 of flow；
The cable 15 of osmometer of test section pressure is measured by the reserved steel pipe apopore 11 of rubber stopper in packer permeability test section
Draw, and connect packer permeability test real time monitoring apparatus 16；The cable 9 for measuring the osmometer of flow draws splendid attire water tank 1, and even
Connect packer permeability test real time monitoring apparatus 16.
In the present embodiment, sealing embolism is hydraulic type rubber stopper.
In the present embodiment, water supply installation also includes centrifugation suction pump 2, air-stable room 4, supply channel and joint 6, stops
Water lines and joint 8；Centrifugation suction pump 2 is connected with water tank 1 is contained, and air-stable room 4 is connected with centrifugation suction pump 2, feed pipe
Road and joint 6, sealing pipeline and joint 8 connect air-stable room 4 and packer permeability test section 12 respectively.
In the present embodiment, air-stable room 4 is provided with drain tap 3, and supply channel and joint 6 are provided with water supply control valve door
5, sealing pipeline and joint 8 are provided with water resistance valve door 7.
Packer permeability test device energy monitor test section pressure and water supply flow that the present embodiment is provided, so as to accurate
The Penetration Signature of Rock And Soil is evaluated on ground, with following features：
1st, direct measurement test section internal water pressure, as test pressure；
2nd, by containing osmometer direct measurement water supply flow in water tank；
3rd, measuring instrument (packer permeability test real time monitoring apparatus) be automation collection device, monitoring pressure in real time and flow,
Instruct the switch of the control valve of supply equipment and test pressure.
Each part of the invention and its installation (test) method are described further below：
Each part is described in detail：
1) supply equipment, using the splendid attire water tank of length, width and height 1.0m*1.0m*1.2m, connects conical hopper, so as to water under water tank
The smooth outflow of water in case；
2) suction pump is centrifuged, using uniform in reliable operation, pressure stability, water outlet, and under 1MPa pressure, flow can be protected
The water plug of 100L/min is held, and in its lower regulated air room of the installation volume more than 5L；
3) supply channel and joint, are connect using the supporting pipeline of the microdilatancy high-pressure rubber hose and respective diameters of diameter of phi 30
Head, so that test water is smooth；
4) osmometer of flow is measured, using a small amount of of measuring accuracy 0.01kPa ranges 30kPa (test 3m head heights)
Journey osmometer, it is accurate to test flow, meet test and the requirement of later stage data to arrange；
5) sealing embolism, using the high pressure rubber plug that different bore diameters are supporting, so as to the corresponding experiment of dilation by water injection closure
Section；
6) sealing pipeline and joint, are connect using the supporting pipeline of the microdilatancy high-pressure rubber hose and respective diameters of diameter of phi 10
Head；
7) pressure gauge of sealing pressure is measured, using range 5MPa, precision is the GB pressure gauge of 0.01MPa, to examine
Survey plugging effect；
8) osmometer of test section pressure is measured, (test 100m heads are high using measuring accuracy 0.1kPa ranges 1.5MPa
Degree) wide range osmometer, so that test pressure is accurate, meet test and the requirement of later stage data to arrange；
9) real time monitoring apparatus, using MCU module and on-line analysis system, realize automatic data collection, store and preliminary whole
Reason, so as to flow, the Pressure Variation of monitor in real time experiment different pressures different phase (three stage pressures, five stages).
(test) method of installation：
1) packer permeability test drilling, and cleans hole wall, it is ensured that hole wall cleaning, clean；
2) alignment lays watertight rubber plug, makes it parallel with packer permeability test centerline hole；
3) water supply installation is installed, since water tank is contained, by supply channel and pipe joint, is sequentially connected centrifugation and is drawn water
Pump, air-stable room, water supply control valve door, rubber stopper water supply hole, it is ensured that entirety is water-tight before water supply hole, do not fall pressure, water supply hole
Smooth outflow afterwards；
4) install antipriming, from water supply installation under air-stable room pick out a joint, connect by sealing pipeline and pipe
Head, is sequentially connected water resistance valve door, the pressure gauge of measurement sealing pressure and watertight rubber plug sealing hole, it is ensured that antipriming
Whole system is water-tight, do not fall pressure；
5) osmometer of measurement flow is installed, osmometer is fixed on a position in splendid attire water tank, keep and bottom 0.3m
The distance of left and right, it is ensured that do not influence its measuring accuracy during the pump work that draws water is centrifuged；
6) osmometer of measurement test section pressure is installed, osmometer is fixed in rubber stopper block section, by reserving rubber
Steel pipe apopore in plug draws osmometer cable；
7) real time monitoring apparatus are installed, the osmometer access that will measure the osmometer and measurement test section pressure of flow is automatic
MCU, overall combined debugging are put in makeup, it is ensured that two monitor control index data display and initial analysis in real time in process of the test；
8) fragment position is tested in measurement and setting-out, and watertight rubber plug is fixed into its position, is kept and packer permeability test centerline hole
It is parallel；
9) antipriming is debugged, water resistance valve door is opened, starts centrifugation suction pump, rubber stopper is forced into 2~3 times most
Big test pressure, and keep 10~15min, so as to check whole water-stopping system with the presence or absence of seepage, fall to press phenomenon；
10) water supply installation is debugged, water supply control valve door is opened, starts centrifugation suction pump, test section pressure is forced into
1.0MPa, checks whether whole system does not add pressure phenomenon；
11) packer permeability test device entirety combined debugging, during packer permeability test whether monitor in real time and display, sealing and confession
Whether water installations meet test requirements document.Treat after the completion of above-mentioned work, carry out borehole test Rock And Soil permeability.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (4)
1. a kind of Rock And Soil packer permeability test device, it is characterised in that described including sealing embolism, water supply installation and measuring equipment
Water supply installation includes containing water tank, and the sealing embolism is used to block a section of packer permeability test drilling, forms packer permeability test section；Institute
Stating measuring equipment includes being fixedly installed in the packer permeability test section for measuring the osmometer of test section pressure, being installed on the Sheng
It is used to measure the osmometer and packer permeability test real time monitoring apparatus of flow in dress water tank；Measure the osmometer of test section pressure
Cable drawn by the reserved steel pipe apopore of rubber stopper in packer permeability test section, and it is real-time to connect the packer permeability test
Supervising device；The cable for measuring the osmometer of flow draws the splendid attire water tank, and it is real-time to connect the packer permeability test
Supervising device.
2. a kind of Rock And Soil packer permeability test device according to claim 1, it is characterised in that the sealing embolism is hydraulic pressure
Formula rubber stopper.
3. a kind of Rock And Soil packer permeability test device according to claim 1, it is characterised in that the water supply installation also includes
Centrifugation suction pump, air-stable room, supply channel and joint, sealing pipeline and joint；Centrifugation suction pump and the splendid attire
Water tank is connected, and the air-stable room is connected with the centrifugation suction pump, the supply channel and joint, sealing pipeline and joint
The air-stable room and packer permeability test section are connected respectively.
4. a kind of Rock And Soil packer permeability test device according to claim 3, it is characterised in that the air-stable room is provided with
Drain tap, the supply channel and joint are provided with water supply control valve door, and the sealing pipeline and joint are provided with water resistance valve
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091824.8A CN106769788B (en) | 2017-02-21 | 2017-02-21 | Rock-soil body pressurized water test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091824.8A CN106769788B (en) | 2017-02-21 | 2017-02-21 | Rock-soil body pressurized water test device and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106769788A true CN106769788A (en) | 2017-05-31 |
| CN106769788B CN106769788B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710091824.8A Active CN106769788B (en) | 2017-02-21 | 2017-02-21 | Rock-soil body pressurized water test device and test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109115972A (en) * | 2018-08-01 | 2019-01-01 | 陈亚洲 | A kind of one-dimensional rock pillar simulated water pressure of acquisition groundwater parameter is from numeration factually experiment device |
| CN109958434A (en) * | 2017-12-25 | 2019-07-02 | 核工业北京地质研究院 | The constant-pressure unsteady flow that drills drilling Hydrogeological Test Method |
| CN110018103A (en) * | 2019-04-25 | 2019-07-16 | 江西理工大学 | A kind of building lot field seepage test device and its test method |
| CN110186827A (en) * | 2019-04-09 | 2019-08-30 | 河海大学 | A kind of packer permeability test device and test method |
| CN114594037A (en) * | 2022-03-30 | 2022-06-07 | 中国水利水电科学研究院 | Method for measuring permeability coefficient of soil material |
| CN116952474A (en) * | 2023-07-19 | 2023-10-27 | 长江三峡勘测研究院有限公司（武汉） | Automatic acquisition and water leakage monitoring system for double-plug pressurized water test data |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958434A (en) * | 2017-12-25 | 2019-07-02 | 核工业北京地质研究院 | The constant-pressure unsteady flow that drills drilling Hydrogeological Test Method |
| CN109958434B (en) * | 2017-12-25 | 2022-11-22 | 核工业北京地质研究院 | Drilling hydrogeological test method for drilling hole under constant pressure and unsteady flow |
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| CN110186827A (en) * | 2019-04-09 | 2019-08-30 | 河海大学 | A kind of packer permeability test device and test method |
| CN110018103A (en) * | 2019-04-25 | 2019-07-16 | 江西理工大学 | A kind of building lot field seepage test device and its test method |
| CN110018103B (en) * | 2019-04-25 | 2021-08-03 | 江西理工大学 | Building foundation on-site penetration test device and test method thereof |
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| CN114594037B (en) * | 2022-03-30 | 2023-07-07 | 中国水利水电科学研究院 | Method for measuring permeability coefficient of soil material |
| CN116952474A (en) * | 2023-07-19 | 2023-10-27 | 长江三峡勘测研究院有限公司（武汉） | Automatic acquisition and water leakage monitoring system for double-plug pressurized water test data |
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| CN106769788B (en) | 2023-08-25 |
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