CN108873072A - A kind of hidden defect of levee time shift electrical survey (-ing) system - Google Patents
A kind of hidden defect of levee time shift electrical survey (-ing) system Download PDFInfo
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- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
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Abstract
The embodiment of the present invention provides a kind of hidden defect of levee time shift electrical survey (-ing) system, including electrical measurement transducer-translating device, Multifunctional electric measurement instrument and computer workstation, further includes several electrometric sensors；Electrometric sensor is equidistantly set to the measurement point in levee body, and multiple electrometric sensors form an electrical measurement line, and the electrometric sensor in electrical measurement line connects electrical measurement transducer-translating device by electrical measurement sensing cable；Electrometric sensor provides electric field in levee body and receives electric signal, electrical measurement transducer-translating device is powered according to control to corresponding one or more electrical measurement line, make to form electric current on electrical measurement line, Multifunctional electric measurement instrument acquires the voltage in electrical measurement line between every two electrometric sensor, the resistivity between measurement point where obtaining two electrometric sensors according to the electric current between every two electrometric sensor and voltage；Computer workstation obtains the time shift resistivity figure that levee body changes over time based on the change in resistance of different time points, according to time shift resistivity illustrated handbook not and dynamic tracing breakthrough.
Description
Technical field
The present invention relates to dyke monitoring technical fields, more particularly, to a kind of hidden defect of levee time shift electrical survey (-ing) system.
Background technique
Dyke building is occupied extremely heavy as a kind of reality, long-term flood control measure in China's flood-prevention project system
The status wanted, dyke can be described as the lifeline of the people.It is hidden that the quality condition for grasping dyke is detected in time, find and eliminates levee body
Suffer from, improves the major tasks that dyke defending flood ability is major rivers flood control works.
The detection method of hidden defect of levee mainly has geological drilling, manually visiting and three kinds of geophysical exploration.The above two are
It is not able to satisfy all requirements such as quick, accurate and lossless.Geophysical exploration is a kind of indirect detection means, is detected by research
The difference of object physical features judges buried depth, scale and the form of hidden danger inside dyke.It can be applied to dyke defect detecting
Geophysical exploration method mainly have geological radar method, High Density Resistivity, method of seismic exploration etc..Electrical prospecting is the earth
Physical prospecting common method, and the common method of electrical prospecting has conventional resistive rate method and High Density Resistivity.
The main method of electrical survey (-ing) is conventional resistive rate method, and this method is a kind of method of indirect detection, the base of detection
Present principles are to feed direct current to underground by power supply electrometric sensor in levee body, form artificial electric field, then utilize measurement electricity
Sensor is surveyed by Instrument observation field distribution situation, studies electric field change caused by different hidden danger.Under ideal conditions, may be used
Embankment is considered as isotropic body, less, field distribution is uniform in vertically and horizontally variation for resistivity；When there are hidden danger for dyke
When, isotropic body is destroyed, and field distribution is caused to change, and is reflected on hidden danger position, and the apparent resistivity observed becomes
Change, in conjunction with banking material property, geological condition, i.e., it can be inferred that the property of hidden danger, position and buried depth.Detection in the prior art
Method is all static instrumentation, disposable detection, it is insufficient to lead to Hidden Danger Detection low efficiency, precision, and cannot achieve the accurate of hidden danger
Positioning and timely early warning.
Summary of the invention
When the present invention provides a kind of a kind of hidden defect of levee for overcoming the above problem or at least being partially solved the above problem
Electrical survey (-ing) system is moved, disposable detection in the prior art is solved, causes Hidden Danger Detection low efficiency, precision insufficient, and can not
The problem of realizing the accurate positionin and timely early warning of hidden danger.
According to an aspect of the present invention, a kind of hidden defect of levee time shift electrical survey (-ing) system is provided, which is characterized in that including
Electrical measurement transducer-translating device, Multifunctional electric measurement instrument and computer workstation further include several electrometric sensors；The electrometric sensor
The equidistant measurement point in levee body, multiple electrometric sensors form an electrical measurement line, and the electrical measurement in the electrical measurement line passes
Sensor connects the electrical measurement transducer-translating device by electrical measurement sensing cable, and the electrical measurement transducer-translating device connects Multifunctional electric measurement
Instrument；The electrometric sensor is used to provide electric field in levee body and receives electric signal, and the electrical measurement transducer-translating device is used for basis
It controls and powers to corresponding one or more electrical measurement line, make to form electric current on electrical measurement line, the Multifunctional electric measurement instrument is for acquiring
Voltage in electrical measurement line between every two electrometric sensor, and according between every two electrometric sensor electric current and voltage obtain this two
Resistivity between measurement point where a electrometric sensor；The computer workstation becomes for the resistivity based on different time points
Change obtains the time shift resistivity figure that levee body changes over time, and is not chased after with dynamic according to the time shift resistivity illustrated handbook
Track breakthrough.
Preferably, the electrometric sensor is set in the levee body under levee body top surface and levee body back side set distance,
The electrical measurement line includes a plurality of, and is set to levee body in parallel.
Preferably, further including water level sensor, the water level sensor is set in the river of upstream face side, is used for
When water level is more than early warning water level, control instruction is transmitted to the Multifunctional electric measurement instrument, increases the survey of the Multifunctional electric measurement instrument
Measure frequency and measurement range.
Preferably, further including timer, the timer connects the Multifunctional electric measurement instrument, and the timer is used for
It is continuous or measure resistivity data on one or more electrical measurement line at equal intervals to control the Multifunctional electric measurement instrument.
Preferably, the electrical measurement line is arranged along levee body extending direction, and levee body extending direction is successively arranged multiple electricity
Survey line；An electrical measurement face is constituted along electrical measurement line vertical direction；One or more electrical measurement line is arranged in each electrical measurement face, is constituted electrical measurement and is passed
Sensor array.
Preferably, the electrical measurement face includes multiple, and multiple survey faces are parallel to each other or continuously connect.
Preferably, the computer workstation carries out two dimensional inversion to the resistivity data in single electrical measurement face, and right
The two dimensional inversion result of different time points carries out successive ignition and is fitted inverting, obtains the isopleth variation of single electrical measurement surface resistivity
Trend；The regularization in spatial domain and time-domain is carried out to the isopleth variation tendency in multiple electrical measurement faces again, realize levee body when
Move the automated imaging of resistivity figure.
Preferably, the Multifunctional electric measurement instrument includes wireless communication module, the wireless communication module is for connecting
The Multifunctional electric measurement instrument and the computer workstation.
Preferably, further including display and alarm, the display is used for real-time display time shift resistivity
Figure, the alarm are used to report the region that change in resistance rate in time shift resistivity figure is more than given threshold
It is alert.
The present invention proposes a kind of hidden defect of levee time shift electrical survey (-ing) system, is arranged and is tied by the electrometric sensor of big array
Structure, the mass data that clock synchronization returns in fact are classified by unit (or arrangement), temporally, study more electrical measurement line different locations, together
On the basis of the dynamic change of electrical measurement line different time sections levee body apparent resistivity and its isopleth morphological feature, by apparent resistance
The early warning of hidden danger-disaster is realized in the comparative analyses of the evolving trends such as rate amplitude, isopleth paramophia range, in measurement,
It can once power and realize the measurement of multi-group data, to reduce power supply number and measurement electrometric sensor race pole number, significantly
Time of measuring is reduced, field measurement work efficiency is improved.
Detailed description of the invention
Fig. 1 is the hidden defect of levee time shift electrical survey (-ing) system structure diagram according to the embodiment of the present invention；
Fig. 2 is the electrical measurement line arrangement implementation diagram according to the embodiment of the present invention；
Fig. 3 is to survey road high density electric acquisition principle schematic diagram according to the 10 of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Since hidden defect of levee is unevenly distributed, and its position, shape, size etc. it is difficult it is regular follow, only by probing or move
Hidden danger is detected with other machinery, not only somewhat expensive, low efficiency, but also be easy under-enumeration and false drop and be possible to bring new hidden danger,
It is difficult to reach preferable effect.The basic functional principle of high-density electric is substantially the same with conventional resistive rate method.It is with ground
A kind of electrical resistivity survey method based on the conductivity difference of body, the distribution rule of according in the case where applying electric field action middle conduction electric current
Rule, the heuristically preservation situation of the lower geologic body with different resistivity, but in the prior art is all by equipment belt to be checked
At the levee body of survey, then the sensor embedment levee body that will test, be powered detection after sensor is concatenated, and method for arranging is complicated, leads to
It is often merely able to single line arrangement, detection faces are narrow, the health status of levee body entirety can not be detected, moreover, being merely able to carry out disposable
Detection, can not realize the real-time monitoring of hidden defect of levee.
Therefore, in the present embodiment, as shown in Figure 1, showing a kind of hidden defect of levee time shift electrical survey (-ing) system in figure,
It is characterized in that, including electrical measurement transducer-translating device, Multifunctional electric measurement instrument and computer workstation, further includes several electrometric sensors；
The electrometric sensor is equidistantly set to the measurement point in levee body, and multiple electrometric sensors form an electrical measurement line, the electricity
Electrometric sensor in survey line connects the electrical measurement transducer-translating device by electrical measurement sensing cable, and the electrical measurement transducer-translating device connects
Connect Multifunctional electric measurement instrument；The electrometric sensor is used to provide electric field in levee body and receives electric signal, and the electrical measurement sensing turns
Parallel operation is used to be powered according to control to corresponding one or more electrical measurement line, makes to form electric current on electrical measurement line, the multi-functional electricity
Survey instrument and be used to acquire voltage in electrical measurement line between every two electrometric sensor, and according between every two electrometric sensor electric current and
Resistivity between measurement point where voltage obtains two electrometric sensors；The computer workstation is used to be based on different time
The change in resistance of point obtains the time shift resistivity figure that levee body changes over time, and according to the time shift resistivity figure
Identify and dynamic tracing breakthrough.
Specifically, in the present embodiment, an arrangement is primary to lay electrical measurement Dao Shuo 480, and a survey line can be by one extremely
It is multiple to rearrange, by point away from (generally 1m~2m) by electrometric sensor and electrical measurement sensing cable embedment levee body surface layer 20cm with
Lower fixation.Using lead electrometric sensor, stablize with the very poor small, performance of electrometric sensor, noise is low, buries for a long time not
The features such as perishable, easy to use.
One is arranged 1, Multifunctional electric measurement instrument, and 240 multichannel electrical measurement transducer-translating devices 2,126 core electrical measurements sense
4, cable, lead electrometric sensor 480.Meanwhile to meet long-term observation needs, entire acquisition system is taken fixed
Protection.
In the present embodiment, it is additionally provided with the automatic monitoring function of reservoir water level, while being worked based on customary DC electrical method principle,
A tractor serves several purposes, power supply receive integration.(type of device, electrometric sensor number, electrometric sensor spacing etc.) is arranged in running parameter
It can be completed by manual or automatic control.Measuring multiple parameters (voltage, electric current, apparent resistivity, natural potential, water level can be achieved
Deng)；Built-in GPS, 4G network is, it can be achieved that long-distance intelligent is arranged.
In the present embodiment, by the way that electrometric sensor to be set in levee body at equal intervals, while in order to sufficiently detect dike
Change in resistance in body needs electrometric sensor being embedded to levee body table also for electrometric sensor is prevented by external damage
Under the set distance of face, in the present embodiment, electrometric sensor is embedded to levee body surface 20cm hereinafter, and by between electrometric sensor
Point distance be set as 1m or 2m, i.e., be 1m or 2m per distance between adjacent electrometric sensor, specifically, each electrometric sensor is made
For a measurement point, multiple electrometric sensors form an electrical measurement line, as shown in Fig. 2, (a in figure is surveyed settable 5 electrical measurement lines
Line, b survey line, c survey line, d survey line, e survey line), it is arranged along levee body extending direction, electrometric sensor is connected by electrical measurement sensing cable
With electrical measurement transducer-translating device and Multifunctional electric measurement instrument measuring system, the multi-channel measurement one by Multifunctional electric measurement instrument may be implemented
Secondary property measures the data of multiple points；In the present embodiment, it specifically, electrical measurement line is straight line, is parallel to each other between multiple electrical measurement lines, side
Just the fusion that the data measured are carried out with spatial domain, finally obtains the change in resistance feature of entire levee body；Multi-functional electricity simultaneously
Survey instrument can timing or in real time or trigger-type is monitored, can save energy consumption.
On the basis of the above embodiments, the electrometric sensor is set under levee body top surface and levee body back side set distance
Levee body in, the electrical measurement line includes a plurality of, and in parallel or is continuously set to levee body.
Specifically, in the present embodiment, electrometric sensor is set to the levee body under levee crown and levee body back side, since dyke faces
Water surface Long Term Contact water inevitably causes water that can immerse levee body certain depth, therefore to avoid water from influencing the measurement of resistivity, passes through
It observes same electrical measurement line different time sections or different electrical measurement line different time sections reservoir water levels (such as flood season and non-flood period) watches out for leaching
Moisten the time shift dynamic change of line to judge a possibility that hidden danger causes calamity.In the present embodiment, electrical measurement line is set to levee crown and back side,
Meanwhile in the present embodiment, electrical measurement line includes a plurality of, uniformly and in parallel or is continuously set to levee body, be may be implemented different in levee body
Levee body can be uniformly divided into multiple junior units and carried out by the measurement of position resistivity simultaneously because electrical measurement line is uniformly laterally arranged
Measurement, facilitating the later period is analyzed and processed monitoring data.
It on the basis of the above embodiments, further include water level sensor, the water level sensor is set to levee body upstream face one
In the river of side, for transmitting control instruction to the Multifunctional electric measurement instrument, increasing described more when water level is more than early warning water level
The measurement frequency and measurement range of function electrical measuring instrument.
In the present embodiment, in order to save resource, electricity consumption, by the way that water level sensor is arranged, it is arranged under normal circumstances
Interval time just measures a data, when water level sensor detects that water level is more than early warning water level, sends out to Multifunctional electric measurement instrument
Instruction is sent, Multifunctional electric measurement instrument is made to accelerate measurement frequency and measurement range, the region that high water level occurs targetedly is supervised
It surveys, realizes effective identification of water body infiltration variation front and back hidden defect of levee changing features, real-time monitoring hidden defect of levee is in SEA LEVEL VARIATION
Under evolution process.
It on the basis of the above embodiments, further include timer, the timer connects the Multifunctional electric measurement instrument, described
It is continuous or measure resistivity data on one or more electrical measurement line at equal intervals that timer is used to control the Multifunctional electric measurement instrument.
To sum up, the present invention is by being arranged a variety of triggering modes, river water level reach the super setting value of setting value, SEA LEVEL VARIATION,
Timing can trigger the measurement of electrical measurement line, computer operation to conditions such as (constant duration triggering, time interval can be set)
The measurement of electrical measurement line can also be started at any time by standing.
On the basis of the above embodiments, the electrical measurement line is arranged along levee body extending direction, and levee body extending direction is successively
Equipped with multiple electrical measurement lines, multiple electrical measurement line head and the tail are connected with each other or interval setting；An electricity is constituted along electrical measurement line vertical direction
One or more electrical measurement line is arranged in survey face, each electrical measurement face, constitutes electrometric sensor array, electrical measurement face includes multiple, and multiple
Electrical measurement face is parallel to each other, and finally constitutes big array, fixed electrical measurement structure.
A plurality of electrical measurement line different location is being studied, with electrical measurement line different time sections levee body apparent resistivity and its equivalent line morphology
On the basis of the dynamic change of feature, pass through the comparison to evolving trends such as apparent resistivity amplitude, isopleth paramophia ranges
Analysis is to realize the early warning of hidden danger-disaster.Monitoring system basic working modes are timing high density section survey at equal intervals, are surveyed
System full speed operation during amount, power consumption reach maximum.In order to economize on electricity, measurement once terminates whole system can be automatically into low-power consumption
State, only runs, power consumption are microampere order, the sweep spacing (1 second~60 that timer can be set by computer workstation
Second) execute the inquiry timing of start by set date components of system as directed interlock circuit whether arrived, SEA LEVEL VARIATION situation and whether there is or not measurement and control centers
New instruction etc., once condition, which meets starting whole system immediately, carries out high density section survey.
As shown in figure 3, explanation 10 surveys the acquisition principles of road high density electrics, wherein A, B by taking AB-MN dipole array as an example
Respectively power supply electrometric sensor, M, N are respectively to measure electrometric sensor, survey road high density electric measuring systems using 10,
Primary power can measure 10 groups of data, to reduce power supply number and measurement electrometric sensor race point number, substantially reduce survey
The time is measured, field measurement work efficiency is improved.
If AB spacing=1, MN spacing=1, BMi=i, i=1,2,3 ..., 10, measurement section number is 10, when work, A, B
Motionless, power supply is primary, M measurement electrometric sensor successively presses M1, M2 ... M10 order, and corresponding N measurement electrometric sensor is successively pressed
M2, M3 ... n times sequence synchronous rolling once complete 10 measuring point measurements on a rolling wire, and then A, B, M, N are whole to Forward
It completes second and measures in a dynamic electrometric sensor position ... to be sequentially completed the measurement of 10 sections.Single channel electrical measuring instrument needs
It could complete for supplying measure ten times, the road Er10Ce electrical measuring instrument only needs a supplying measure that can complete, and work efficiency improves ten times.
On the basis of the above embodiments, the computer workstation carries out two dimension to the resistivity data in single electrical measurement face
Inverting, and successive ignition is carried out to the two dimensional inversion result of different time points and is fitted inverting, obtain single electrical measurement surface resistivity
Isopleth variation tendency；The regularization in spatial domain and time-domain is carried out to the isopleth variation tendency in multiple electrical measurement faces again, it is real
The automated imaging of the time shift resistivity figure of existing levee body.
Specifically, the mass data that clock synchronization returns in fact first is classified by unit (or arrangement), according to the time period, then pass through
Professional software classification data is edited and is formatted conversion etc., use " edit data " to the bad point in initial data into
Row is deleted, and carries out Finite Difference Meshes etc. to normal data points.If containing terrain data in data, Data Inversion is being carried out
Before, selection " Topography " option calculates topographic correction.
Two dimensional inversion is first carried out by single-row (or section), inverting can be completed by RES2DINV Inversion Software, read
After the data for entering editor, inversion program can use finite difference or Finite element arithmetic apparent resistivity value according to option automatically, borrow
Help to solve least squares equation and modify forward model parameter, reaches the fitting to measured curve realizing, model parameter
Modification can carry out in refutation process, while can be configured to the limit of convergence, damped coefficient, the number of iterations etc., pass through model
The successive ignition that parameter modification carrys out implementation model section and be fitted apparent resistivity pseudosection map with setting is fitted inverting；Inversion result
It can show that error of fitting, section depth, apparent resistivity size and isopleth variation tendency, display mode can be JPG format, BMP
Format etc., while can also realize the output of file data multi-formatization and conversion.
It is associated with and constrains by building room and time between the data set and model of multiple groups (multiple rows of column) continuous observation
Effective ways draw using the inversion result of initial single-row data set as the initial and reference model of subsequent set of data inverting
Enter the regularization in spatial domain and time-domain, constructs time shift resistivity inversion objective function and equation.
By the quantitatively characterizing of the temporal-spatial evolution behavior and variation amplitude that are distributed to dyke interior media resistivity, by a plurality of
Electrical measurement line different location realizes the tendencies variance analysis of space change in apparent resistivity with electrical measurement line different time sections, moves
State adjustment time regularization coefficient.
Accelerate derivation algorithm using the parallel time shift inversion equation of the GPU of cuda, it is automatic to be finally completed time shift resistivity
Imaging, the variation that apparent resistivity can occur, which is detectd, does not alarm, realizes Intelligent detecting breakthrough and dynamic tracing infiltration lane
The technology and methods of trend.
On the basis of the above embodiments, the Multifunctional electric measurement instrument includes wireless communication module, the radio communication mold
Block is for connecting the Multifunctional electric measurement instrument and the computer workstation.Directly module passes the data of measurement by wireless communication
To distal end measurement and control center, wireless communication module supports movement, connection, telecommunications 4G high-peed connection, at the same support to move, connection 3G and
2G access.
It on the basis of the above embodiments, further include display and alarm, the display is used for real-time display time shift
Resistivity figure, the alarm are used for the area to change in resistance rate in time shift resistivity figure more than given threshold
It alarms in domain.
In conclusion the present invention proposes a kind of hidden defect of levee time shift electrical survey (-ing) system, passed by the electrical measurement of big array
Sensor arrangement, the mass data that clock synchronization returns in fact are classified by unit (or arrangement), temporally, study more electrical measurement lines not
Same position leads to on the basis of the dynamic change of electrical measurement line different time sections levee body apparent resistivity and its isopleth morphological feature
The comparative analysis to evolving trends such as apparent resistivity amplitude, isopleth paramophia ranges is crossed to realize that hidden danger-disaster is pre-
It is alert, in measurement, it can once power and realize the measurement of multi-group data, be run to reduce power supply number and measure electrometric sensor
Point number, substantially reduces time of measuring, improves field measurement work efficiency.
The embodiments such as the test equipment of display device described above are only schematical, wherein described as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art
Without paying creative labor, it can understand and implement.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than right
It is limited；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field
Personnel should understand that：It is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Or all technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution
The range of various embodiments of the present invention technical solution.
Claims (9)
1. a kind of hidden defect of levee time shift electrical survey (-ing) system, which is characterized in that including electrical measurement transducer-translating device, Multifunctional electric measurement instrument
And computer workstation, it further include several electrometric sensors；The electrometric sensor is equidistantly set to the measurement point in levee body,
Multiple electrometric sensors form an electrical measurement line, and the electrometric sensor in the electrical measurement line passes through described in the connection of electrical measurement sensing cable
Electrical measurement transducer-translating device, the electrical measurement transducer-translating device connect Multifunctional electric measurement instrument；The electrometric sensor is used in levee body
Electric field is provided and receives electric signal, the electrical measurement transducer-translating device is used to be supplied according to control to corresponding one or more electrical measurement line
Electricity makes to form electric current on electrical measurement line, and the Multifunctional electric measurement instrument is used to acquire the electricity in electrical measurement line between every two electrometric sensor
Pressure, and the resistance between two electrometric sensors place measurement points is obtained according to the electric current between every two electrometric sensor and voltage
Rate；The computer workstation obtains the time shift resistance that levee body changes over time for the change in resistance based on different time points
Rate tomographic map, and according to the time shift resistivity illustrated handbook not and dynamic tracing breakthrough.
2. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that the electrometric sensor is set
In levee body under levee body top surface and levee body back side set distance, the electrical measurement line includes a plurality of, and is set to levee body in parallel.
3. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that further include level sensor
Device, the water level sensor are set in the river of levee body upstream face side, for when water level is more than early warning water level, to described more
Function electrical measuring instrument transmits control instruction, increases the measurement frequency and measurement range of the Multifunctional electric measurement instrument.
4. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that it further include timer, institute
It states timer and connects the Multifunctional electric measurement instrument, the timer is for controlling the Multifunctional electric measurement instrument continuously or surveying at equal intervals
Measure the resistivity data on one or more electrical measurement line.
5. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that the electrical measurement line is along levee body
Extending direction setting, and levee body extending direction is successively arranged multiple electrical measurement lines；An electrical measurement face is constituted along electrical measurement line vertical direction；
One or more electrical measurement line is arranged in each electrical measurement face, constitutes electrometric sensor array.
6. hidden defect of levee time shift electrical survey (-ing) system according to claim 5, which is characterized in that the electrical measurement face includes more
It is a, and multiple survey faces are parallel to each other or continuously connect.
7. hidden defect of levee time shift electrical survey (-ing) system according to claim 5, which is characterized in that the computer workstation
Successive ignition is carried out to the resistivity data in single electrical measurement face and is fitted two dimensional inversion, and to the two dimensional inversion result of different time points
Time shift imaging is carried out, the isopleth variation tendency of single electrical measurement surface resistivity is obtained；The isopleth in multiple electrical measurement faces is changed again
Trend carries out the regularization in spatial domain and time-domain, realizes the automated imaging of the three-dimensional time shift resistivity figure of levee body.
8. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that the Multifunctional electric measurement instrument
Including wireless communication module, the wireless communication module is for connecting the Multifunctional electric measurement instrument and the computer workstation.
9. hidden defect of levee time shift electrical survey (-ing) system according to claim 1, which is characterized in that further include display and report
Alert device, the display are used for real-time display time shift resistivity figure, and the alarm is used for time shift resistivity figure
Middle change in resistance rate is more than that the region of given threshold is alarmed.
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| CN109521476A (en) * | 2018-11-29 | 2019-03-26 | 长江勘测规划设计研究有限责任公司 | Dykes and dams resistivity tomography observation system |
| CN110082393A (en) * | 2019-04-11 | 2019-08-02 | 河海大学 | Dykes and dams real-time monitoring system and method based on mobile communication and high-density electric |
| CN110132245A (en) * | 2018-12-10 | 2019-08-16 | 安徽沃特水务科技有限公司 | A kind of unrestrained dam monitoring system of reservoir |
| CN110174703A (en) * | 2019-06-04 | 2019-08-27 | 长江勘测规划设计研究有限责任公司 | A kind of data collector for the infiltration monitoring of DC electrical method water body |
| CN110263985A (en) * | 2019-06-04 | 2019-09-20 | 长江勘测规划设计研究有限责任公司 | The electrical method monitoring and warning system that water delivery is secretly contained, dyke and side slope water body permeate |
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| CN110263985A (en) * | 2019-06-04 | 2019-09-20 | 长江勘测规划设计研究有限责任公司 | The electrical method monitoring and warning system that water delivery is secretly contained, dyke and side slope water body permeate |
| CN110276484A (en) * | 2019-06-04 | 2019-09-24 | 长江勘测规划设计研究有限责任公司 | The electrical method monitoring and warning system that water delivery is secretly contained, dyke and side slope water body permeate |
| CN110263985B (en) * | 2019-06-04 | 2021-05-04 | 长江勘测规划设计研究有限责任公司 | Electric method monitoring and early warning system for water permeation of water delivery culvert, dike and side slope water body |
| CN110174703A (en) * | 2019-06-04 | 2019-08-27 | 长江勘测规划设计研究有限责任公司 | A kind of data collector for the infiltration monitoring of DC electrical method water body |
| CN110542708A (en) * | 2019-09-29 | 2019-12-06 | 长江勘测规划设计研究有限责任公司 | landslide early warning system and method |
| CN112014887A (en) * | 2020-09-28 | 2020-12-01 | 安徽理工大学 | Earth and rockfill dam leakage omnibearing resistivity method monitoring and early warning system and method |
| CN112014887B (en) * | 2020-09-28 | 2023-07-14 | 安徽理工大学 | Monitoring and early warning system and method for earth-rock dam leakage through omnibearing resistivity method |
| CN113050173A (en) * | 2021-03-12 | 2021-06-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Electric method test method for slag storage leakage passage port |
| CN113050173B (en) * | 2021-03-12 | 2023-12-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Electric testing method for leakage channel port of slag warehouse |
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