CN102435543A - Steady flow pumping test device for on-line full-hole continuous detection and detection method thereof - Google Patents
Steady flow pumping test device for on-line full-hole continuous detection and detection method thereof Download PDFInfo
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- CN102435543A CN102435543A CN2011103990777A CN201110399077A CN102435543A CN 102435543 A CN102435543 A CN 102435543A CN 2011103990777 A CN2011103990777 A CN 2011103990777A CN 201110399077 A CN201110399077 A CN 201110399077A CN 102435543 A CN102435543 A CN 102435543A
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Abstract
The invention discloses a steady flow pumping test device for on-line full-hole continuous detection and a detection method thereof. The test device comprises a flow meter probe arranged at the bottom of a pumping well used for tests, and two water level monitors respectively arranged in an inspection well I and an inspection well II used for tests; the flow meter probe is connected to a servo motor through a cable, and a signal output end of the flow meter probe is connected with a photoisolator through a signal wire in the cable; signal output ends of the two water level monitors are also respectively connected with the photoisolator through signal wires, and an output end of the photoisolator is connected with an input end of a microcomputer system; and the pumping well is provided with a pumping system. According to the invention, after the measured flow velocity and water level electrical signals are sent to the microcomputer system, data processing and analysis are carried out to obtain the distribution situation of rock and soil bed permeability coefficients along a pumping well hole within the scope of burial depth. With the device and detection method disclosed by the invention, the permeability coefficients of rock and soil beds can be accurately, sensitively and conveniently measured.
Description
Technical field
The invention belongs to the infiltration coefficient outdoor test technical field of rock-soil layer in the geotechnical engineering investigation, be specifically related to the steady flow bailing test equipment and the detection method thereof of a kind of online full hole continuous detecting.
Background technology
In the engineering exploration field; The infiltration coefficient on stratum is an important hydrogeological parameter, in order to record the infiltration coefficient on stratum, mainly adopts two kinds of methods of shop experiment and site test; Shop experiment generally has hydrostatic head method and variable water level method; For coarse-grained soil or stratified soil, be subject to factor affecting such as sample representation, sampling disturbance and scale effect, the general error of test findings is bigger; And site test is through carrying out flood-pot-test and bailing test to the test stratum; Flood-pot-test is applicable to the stratum that underground water lacks, and bailing test is applicable to the stratum of underground water rich, specifically is to bore a pumped well at select location earlier; On the direction vertical, bore several water level observation wells then with direction of groundwater flow; Be advisable with 1～2 times of water-bearing zone thickness with the distance of pumped well, in pumped well, draw water, write down the aquifer yield of pumped well and the decline of water table corresponding relation of inspection well simultaneously with water pump; Utilize computing formula then, calculate the average infiltration coefficient in seepage flow zone.The shortcoming of this method is:
(1) though can calculate the average infiltration coefficient of seepage flow regional stratum exactly; But can not draw the distribution situation of rock-soil layer infiltration coefficient along the wellhole buried depth that draws water; Cause and accurately to find out infiltration coefficient big small section buried depth position and seepage flow according to bailing test, can not satisfy present field engineering needs.
When (2) adopting the boring of different depth to carry out the layering bailing test when there being a plurality of water-bearing zones; There is the Groundwater with Complicated connected network that hydraulic connection takes place owing to different examinations are intersegmental; The water yield in the bailing test examination section is subject to interference and causes test error; Sometimes test error is very big, has lost the meaning of bailing test.
Summary of the invention
First purpose of the present invention is to the above-mentioned defective that exists in the prior art, and the steady flow bailing test equipment of a kind of simple to operate, measuring accuracy and highly sensitive online full hole continuous detecting is provided.
First purpose of the present invention is to realize through following technical scheme: the steady flow bailing test equipment of this online full hole continuous detecting; The infiltration coefficient outdoor test that is used for the geotechnical engineering investigation rock-soil layer; It comprises a current meter probe that is positioned over test with the pumped well shaft bottom, and two are positioned over test respectively with the water-level instrumentation in inspection well I and the inspection well II; Said current meter probe is connected on the servomotor through cable, and its signal output part is connected with photoisolator through the signal wire in the cable; The signal output part of said two water-level instrumentations also is connected with photoisolator through signal wire respectively, and the output terminal of photoisolator is connected with the input end of microcomputer system; On said pumped well, pumping system is installed.
More particularly, said current meter probe adopts supersonic Doppler current meter probe.
Second purpose of the present invention provides the steady flow bailing test equipment testing method based on above-mentioned online full hole continuous detecting, and it comprises the step of following order:
(1) at first, demarcate the accuracy and the sensitivity of current meter, water-level instrumentation and servomotor;
(2) wellhole and two the observation wellholes of will drawing water are crept into respectively to the design hole depth, on the wellhole of drawing water, pumping system are installed then, begin to draw water to certain drawdown, make the water burst flow meet bailing test stabilized reference;
(3) current meter probe and two water-level instrumentations are put into pumped well shaft bottom and two inspection wells along borehole axis respectively;
(4) opening device; The servomotor entry into service also slowly at the uniform velocity promotes the cable that is connected with the current meter probe; Current meter probe along the pumped well axially bored line from bottom and on carry evenly to the fixed level place; The current meter probe is along the flow velocity of wellhole axle center continuous detecting each point, and the signal wire and the photoisolator that are converted in the electric impulse signal process cable are sent to microcomputer system; Put into the water-level instrumentation of observation wellhole simultaneously, record the waterlevel data of inspection well, be connected on the microcomputer system through signal wire and photoisolator;
(5) after the electric signal of having eliminated flow velocity and water level behind various interference and the noise through photoisolator of the last step is delivered to microcomputer system; Carry out data processing and draw the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water, and show and print with analyzing.
Further, the said microcomputer system of step (5) carries out the step that data processing and analytic process comprise following order:
(1) at first, microcomputer system starts and initialization;
(2) begin to catch Pause key and whether press,, suspend test if having; Catch start key and whether press,, then continue to suspend test if do not have; If have; Whether button is pressed beyond then continuing to catch Pause key, gathers the flow speed data that current meter detects simultaneously, and is converted into data on flows; The data of the pumped well wellhole buried depth that provides in conjunction with servomotor draw along the data of the velocity flow profile of pumped well borehole axis different buried depth rock-soil layer;
(3), draw the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water according to computing formula analysis and deal with data in Darcy's law and the bailing test rules;
(4) if capturing end key presses, then test finishes, and prints correlation curve and test figure.
The steady flow bailing test equipment and the detection method thereof of online full hole provided by the invention continuous detecting; Its principal feature is embodied in: (1) not only can calculate the average infiltration coefficient of seepage flow zone rock-soil layer; Also can accurately calculate the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water; Draw out the two corresponding relation curve, accurately find out infiltration coefficient big small section buried depth position and seepage flow, satisfy present field engineering needs; (2) no matter several water-bearing zones are arranged, complete all can adopt hole bailing test detection method, and non-layered bailing test is avoided the different intersegmental hydraulic connections of examination and is caused test error, improves test accuracy.Therefore, technology maturation of the present invention, principle are reliable; Experimental working technique is simple, easy to use; Adopt online detection mode, making process of the test unmanned is factor, measuring accuracy and highly sensitive; Testing expenses are low; Also the steady flow bailing test is not adopted at present the testing equipment and the detection method of a kind of full hole continuous detecting, have good value for applications.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is a microcomputer system main program flow chart of the present invention.
Fig. 3 is the scatter chart of the pump-out of the embodiment of the invention with the pumped well hole depth.
Fig. 4 is the scatter chart of the seepage flow of the embodiment of the invention with the pumped well hole depth.
Fig. 5 is the scatter chart of the infiltration coefficient of the embodiment of the invention with the pumped well hole depth.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Referring to Fig. 1, in the present embodiment, test is placed with current meter probe 1 with the pumped well shaft bottom, and current meter probe 1 adopts supersonic Doppler current meter probe; Test is with being placed with water-level instrumentation 7 and water-level instrumentation 9 in inspection well I and the inspection well II respectively; Current meter probe 1 is connected on the servomotor 3 through cable 2, and its signal output part is connected with photoisolator 4 through the signal wires in the cable 2; The signal output part of water-level instrumentation 7 and water-level instrumentation 9 also is connected with photoisolator 4 with signal wire 10 through signal wire 8 respectively, and the output terminal of photoisolator 4 is connected with the input end of microcomputer system 5; Pumping system 6 is installed on pumped well.Wherein,
r 1 Be the distance of inspection well I apart from pumped well,
r 2 Be the distance of inspection well II apart from pumped well,
h 1 Be the height of water level of inspection well I,
h 2 It is the height of water level of inspection well II.
At first, pumped well, inspection well I and inspection well II are crept into to projected depth respectively.Draw water to certain drawdown in the wellhole of drawing water by pumping system 6, treat that the water burst flow meets stabilized reference after, supersonic Doppler current meter probe 1, water-level instrumentation 7 and water-level instrumentation 9 are put into pumped well, inspection well I and inspection well II respectively.Opening device, servomotor 3 is started working, and slowly at the uniform velocity promotes cable 2, make current meter probe 1 along borehole axis from bottom and on slowly carry evenly to the fixed level place.Current meter probe 1 is promptly measured along the flow velocity of borehole axis each point accurately, and through signal wire and photoisolator 4 the flow velocity electric signal is delivered on the microcomputer system 5; Water-level instrumentation 7 and water-level instrumentation 9 detect the waterlevel data of inspection well I and inspection well II respectively simultaneously, deliver on the microcomputer system 5 through signal wire 8 and signal wire 10.The data that microcomputer system 5 obtains according to current meter probe 1, water-level instrumentation 7 and water-level instrumentation 9; The data of the wellhole buried depth that provides in conjunction with servomotor; The infiltration coefficient that draws rock-soil layer through data processing and analysis is along the distribution relation of the wellhole buried depth that draws water, and shows and print.
Referring to Fig. 2, be computing machine main program flow chart of the present invention.
Microcomputer starts and initialization, and its initialization content comprises: data type is set, comprises the uniform velocity of servomotor etc.; Start then, begin to catch Pause key and whether press,, suspend test if having; Catch start key and whether press,, then continue to suspend test if do not have; If have; Whether button is pressed beyond then continuing to catch Pause key, gathers the flow speed data at supersonic Doppler current meter place simultaneously, and is converted into data on flows; The data of the wellhole buried depth that provides in conjunction with servomotor draw along the data of the flow distribution of borehole axis different buried depth rock-soil layer; Data are handled and analyzed to computing formula according in Darcy's law and the bailing test rules, thereby draw the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water.If capturing end key presses, then test finishes, and prints correlation curve and test figure.
Referring to Fig. 3, be the scatter chart of the pump-out of the embodiment of the invention with the pumped well hole depth.
Referring to Fig. 4, be the scatter chart of the seepage flow of the embodiment of the invention with the pumped well hole depth.
In simulation test; The supersonic Doppler current meter along the pumped well axially bored line from bottom (subsurface 10m place) and on carry evenly to fixed level (subsurface 6m place) and locating; Current meter is along the flow velocity V of boring axle center continuous detecting each point; And be converted into electric impulse signal and be sent to microcomputer system through signal wire and photoisolator, draw pump-out with the scatter chart of pumped well hole depth and seepage flow Q scatter chart through data analysis with handling with the pumped well hole depth.
Referring to Fig. 5, be the scatter chart of the infiltration coefficient of the embodiment of the invention with the pumped well hole depth.
The seepage flow Q that surveys out through simulation test is with the distributed data of pumped well hole depth, the water level of inspection well I and inspection well II
h 1 , h 2 , reach distance apart from pumped well
r 1 , r 2 , one of formula of substitution steady flow bailing test:
, draw the scatter chart of osmotic coefficient k with the pumped well hole depth.Present bailing test can only be obtained the average infiltration coefficient on this stratum, and the present invention can draw the scatter chart of infiltration coefficient with the pumped well hole depth, satisfies the requirement of engineering of on-the-spot day excelsior at present.
The present invention is applicable to the steady flow bailing test of complete penetration of well or partially penetrating well, technology maturation, and principle is reliable; Test operation is simple, adopts online detection mode, and making process of the test unmanned is factor, measuring accuracy and highly sensitive.
Claims (4)
1. the steady flow bailing test equipment of an online full hole continuous detecting; The infiltration coefficient outdoor test that is used for the geotechnical engineering investigation rock-soil layer; It is characterized in that: it comprises a current meter probe that is positioned over test with the pumped well shaft bottom, and two are positioned over test respectively with the water-level instrumentation in inspection well I and the inspection well II; Said current meter probe is connected on the servomotor through cable, and its signal output part is connected with photoisolator through the signal wire in the cable; The signal output part of said two water-level instrumentations also is connected with photoisolator through signal wire respectively, and the output terminal of photoisolator is connected with the input end of microcomputer system; On said pumped well, pumping system is installed.
2. the steady flow bailing test equipment of online full hole according to claim 1 continuous detecting is characterized in that: said current meter probe adopts supersonic Doppler current meter probe.
3. one kind based on the steady flow bailing test equipment testing method of online full hole continuous detecting according to claim 1, it is characterized in that comprising the step of following order:
(1) at first, demarcate the accuracy and the sensitivity of current meter, water-level instrumentation and servomotor;
(2) wellhole and two the observation wellholes of will drawing water are crept into respectively to the design hole depth, on the wellhole of drawing water, pumping system are installed then, begin to draw water to certain drawdown, make the water burst flow meet bailing test stabilized reference;
(3) current meter probe and two water-level instrumentations are put into pumped well shaft bottom and two inspection wells along borehole axis respectively;
(4) opening device; The servomotor entry into service also slowly at the uniform velocity promotes the cable that is connected with the current meter probe; Current meter probe along the pumped well axially bored line from bottom and on carry evenly to the fixed level place; The current meter probe is along the flow velocity of wellhole axle center continuous detecting each point, and the signal wire and the photoisolator that are converted in the electric impulse signal process cable are sent to microcomputer system; Put into the water-level instrumentation of observation wellhole simultaneously, record the waterlevel data of inspection well, be connected on the microcomputer system through signal wire and photoisolator;
(5) after the electric signal of having eliminated flow velocity and water level behind various interference and the noise through photoisolator of the last step is delivered to microcomputer system; Carry out data processing and draw the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water, and show and print with analyzing.
4. the steady flow bailing test equipment testing method based on online full hole continuous detecting according to claim 3 is characterized in that the said microcomputer system of step (5) carries out the step that data processing and analytic process comprise following order:
(1) at first, microcomputer system starts and initialization;
(2) begin to catch Pause key and whether press,, suspend test if having; Catch start key and whether press,, then continue to suspend test if do not have; If have; Whether button is pressed beyond then continuing to catch Pause key, gathers the flow speed data that current meter detects simultaneously, and is converted into data on flows; The data of the pumped well wellhole buried depth that provides in conjunction with servomotor draw along the data of the velocity flow profile of pumped well borehole axis different buried depth rock-soil layer;
(3), draw the rock-soil layer infiltration coefficient along the distribution situation in the wellhole buried depth scope of drawing water according to computing formula analysis and deal with data in Darcy's law and the bailing test rules;
(4) if capturing end key presses, then test finishes, and prints correlation curve and test figure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110399077 CN102435543B (en) | 2011-12-05 | 2011-12-05 | Steady flow pumping test device for on-line full-hole continuous detection and detection method thereof |
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| CN 201110399077 CN102435543B (en) | 2011-12-05 | 2011-12-05 | Steady flow pumping test device for on-line full-hole continuous detection and detection method thereof |
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| CN102435543A true CN102435543A (en) | 2012-05-02 |
| CN102435543B CN102435543B (en) | 2013-09-04 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573255A (en) * | 2013-10-10 | 2014-02-12 | 山东科技大学 | Simulation experiment device for three-dimensional seepage flow field monitoring |
| CN103578341A (en) * | 2013-10-10 | 2014-02-12 | 山东科技大学 | Simulation experiment method used for monitoring three-dimensional seepage flow field |
| CN103575499A (en) * | 2013-10-09 | 2014-02-12 | 山东科技大学 | Three-dimensional seepage flow field monitoring device |
| CN103712647A (en) * | 2013-10-09 | 2014-04-09 | 山东科技大学 | Three-dimensional seepage flow field monitoring device |
| CN106124381A (en) * | 2016-06-21 | 2016-11-16 | 河南理工大学 | Hypotonic coal seam reservoirs gas free-boundary problem and the on-the-spot test method of permeability |
| US10208585B2 (en) | 2015-08-11 | 2019-02-19 | Intrasen, LLC | Groundwater monitoring system and method |
| CN110441219A (en) * | 2019-09-02 | 2019-11-12 | 福建融诚检测技术股份有限公司 | Automatic drilling water injection test instrument |
| CN110988305A (en) * | 2019-12-18 | 2020-04-10 | 苟印祥 | Automatic water pumping test device and implementation method |
| CN111077587A (en) * | 2019-12-30 | 2020-04-28 | 武汉市陆刻科技有限公司 | Method and device for finely depicting underground karst structure |
| CN112031705A (en) * | 2020-08-19 | 2020-12-04 | 北京大地高科地质勘查有限公司 | Grouting effect detection equipment |
| CN112595647A (en) * | 2020-12-14 | 2021-04-02 | 广东省水利水电科学研究院 | Testing device and method for detecting seepage failure ratio degradation quality of plastic concrete impervious wall |
| CN114965205A (en) * | 2022-03-28 | 2022-08-30 | 中国地质大学（武汉） | Method for calculating permeability coefficient of pore aquifer based on flow velocity and flow direction measurement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119240A (en) * | 1982-12-27 | 1984-07-10 | Meisho Kk | Water permeability testing method |
| CN101135734A (en) * | 2007-10-22 | 2008-03-05 | 苏州圣庄伟业岩土科技有限公司 | Foundation ground water parameter measurement method and system based on pressure tracing |
| CN201187297Y (en) * | 2008-05-09 | 2009-01-28 | 中国水电顾问集团成都勘测设计研究院 | Apparatus for measuring permeability coefficient |
| CN202330235U (en) * | 2011-12-05 | 2012-07-11 | 湖南科技大学 | Steady flow pumping test equipment for online full-hole continuous detection |
-
2011
- 2011-12-05 CN CN 201110399077 patent/CN102435543B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119240A (en) * | 1982-12-27 | 1984-07-10 | Meisho Kk | Water permeability testing method |
| CN101135734A (en) * | 2007-10-22 | 2008-03-05 | 苏州圣庄伟业岩土科技有限公司 | Foundation ground water parameter measurement method and system based on pressure tracing |
| CN201187297Y (en) * | 2008-05-09 | 2009-01-28 | 中国水电顾问集团成都勘测设计研究院 | Apparatus for measuring permeability coefficient |
| CN202330235U (en) * | 2011-12-05 | 2012-07-11 | 湖南科技大学 | Steady flow pumping test equipment for online full-hole continuous detection |
Non-Patent Citations (2)
| Title |
|---|
| 乔如瑞: "抽放水自动监测系统在抽水试验中的应用", 《地下水》 * |
| 余学鹏 等: "完整井稳定流抽水试验渗透系数的确定分析", 《铁道勘察》 * |
Cited By (18)
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| CN103575499A (en) * | 2013-10-09 | 2014-02-12 | 山东科技大学 | Three-dimensional seepage flow field monitoring device |
| CN103712647A (en) * | 2013-10-09 | 2014-04-09 | 山东科技大学 | Three-dimensional seepage flow field monitoring device |
| CN103575499B (en) * | 2013-10-09 | 2016-06-08 | 山东科技大学 | A kind of pumped well three-dimensional seepage flow field monitoring method |
| CN103712647B (en) * | 2013-10-09 | 2016-08-17 | 山东科技大学 | A kind of three-dimensional seepage flow field monitoring device |
| CN103578341A (en) * | 2013-10-10 | 2014-02-12 | 山东科技大学 | Simulation experiment method used for monitoring three-dimensional seepage flow field |
| CN103578341B (en) * | 2013-10-10 | 2016-02-03 | 山东科技大学 | A kind of analogue experiment method for three-dimensional seepage flow field monitoring |
| CN103573255B (en) * | 2013-10-10 | 2016-04-13 | 山东科技大学 | A kind of analogue experiment installation for three-dimensional seepage flow field monitoring |
| CN103573255A (en) * | 2013-10-10 | 2014-02-12 | 山东科技大学 | Simulation experiment device for three-dimensional seepage flow field monitoring |
| US10208585B2 (en) | 2015-08-11 | 2019-02-19 | Intrasen, LLC | Groundwater monitoring system and method |
| CN106124381A (en) * | 2016-06-21 | 2016-11-16 | 河南理工大学 | Hypotonic coal seam reservoirs gas free-boundary problem and the on-the-spot test method of permeability |
| CN110441219A (en) * | 2019-09-02 | 2019-11-12 | 福建融诚检测技术股份有限公司 | Automatic drilling water injection test instrument |
| CN110988305A (en) * | 2019-12-18 | 2020-04-10 | 苟印祥 | Automatic water pumping test device and implementation method |
| CN111077587A (en) * | 2019-12-30 | 2020-04-28 | 武汉市陆刻科技有限公司 | Method and device for finely depicting underground karst structure |
| CN112031705A (en) * | 2020-08-19 | 2020-12-04 | 北京大地高科地质勘查有限公司 | Grouting effect detection equipment |
| CN112031705B (en) * | 2020-08-19 | 2022-06-10 | 北京大地高科地质勘查有限公司 | Grouting effect detection equipment |
| CN112595647A (en) * | 2020-12-14 | 2021-04-02 | 广东省水利水电科学研究院 | Testing device and method for detecting seepage failure ratio degradation quality of plastic concrete impervious wall |
| CN114965205A (en) * | 2022-03-28 | 2022-08-30 | 中国地质大学（武汉） | Method for calculating permeability coefficient of pore aquifer based on flow velocity and flow direction measurement |
| CN114965205B (en) * | 2022-03-28 | 2024-04-19 | 中国地质大学（武汉） | Method for obtaining permeability coefficient of pore aquifer based on flow velocity and flow direction measurement |
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