CN206420739U - A kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration - Google Patents
A kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration Download PDFInfo
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- CN206420739U CN206420739U CN201720123892.3U CN201720123892U CN206420739U CN 206420739 U CN206420739 U CN 206420739U CN 201720123892 U CN201720123892 U CN 201720123892U CN 206420739 U CN206420739 U CN 206420739U
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Abstract
The utility model has opened a kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration, including apparent resistivity measuring system, osmotic pressure measuring system, water level measurement system, seepage system for measuring quantity, rainfall scope, cable and monitoring case;Monitoring case is connected by cable with apparent resistivity measuring system, osmotic pressure measuring system, water level measurement system, seepage system for measuring quantity, rainfall scope, gathers Monitoring Data;The utility model can realize the degradation monitoring, diagnosing of earth and rockfill dam dam body seepage failure process, be that seepage earth and rockfill dam diagnostic analysis and engineering maintenance provide help, ensured the safe operation of earth-rock works.
Description
Technical field
The utility model is related to the monitoring, diagnosing field of earth-rock dam seepage, especially earth and rockfill dam dam body barrier performance and deteriorated
Monitoring, diagnosing field.
Background technology
China is one of most country of reservoir dam in the world, and after the foundation of new China, China has built nearly 90,000 successively
Many reservoir dams, wherein earth and rockfill dam have just accounted for therein 1/3rd.Although earth and rockfill dam is in sides such as flood control, irrigation, water supply
Face serves very big effect, but limited, constructed by condition when building, in terms of designing technique due to, this
A little reservoirs are generally to design, construct, while running, referred to as " three side engineerings ".Mostly there is construction quality in these reservoirs
The problems such as difference, thin dam body, seepage of dam, handling facility aging.Leakage problems are the most serious in earth and rockfill dam disease danger.Due to exploration
The depth of work is inadequate, it is unreasonable to design or unqualified, material of constructing is inferior, reservoir runs the seepage caused by reason such as unreasonable
Problem frequently can lead to dam body loss of stability and cause seepage failure.The form and feature of seepage mainly have dam embankment material
Bad, impermeability can not meet requirement, and infiltration coefficient is big, and the moistening leak of large area saturation occurs in downstream dam facing;Impervious body breaks
Split or leak occurs in the old and new's impervious body loose contact;Lead filter drainage prism and block failure, saturation rises, saturation moistening at base of dam
Cause infiltration;Penstock inside dam is broken, and is caused dam body infiltration pipe culvert or is concentrated leak;Along termite cave leak etc..
Because the influence factor and generation feature of seepage are various, while seepage puberty is inside dam, often it is difficult to effective
Identification and diagnosis;Because earth and rockfill dam barrier performance is a process progressively deteriorated with the time, it is therefore desirable to can be permanently effective
Collection seepage control of dam performance-relevant various features data, it is real under conditions of long-term damage dam original structure is avoided
Now prolonged low damage or nondestructive measurement.For this reason, it may be necessary to which a set of convenient can monitor observed seepage behavior monitoring inside earth and rockfill dam, simultaneously
Effectively differentiate the device of barrier performance deterioration.This is to research earth-rock dam seepage changing rule, the dangerous diagnostic analysis of seepage earth and rockfill dam disease
It can be extended efficient help with engineering maintenance, and the safe operation of earth-rock works can be ensured.
The content of the invention
Goal of the invention:In order to overcome the deficiencies in the prior art, the utility model provides a kind of earth and rockfill dam barrier performance deterioration
Monitoring diagnosis device, the degradation monitoring, diagnosing of earth and rockfill dam dam body seepage failure process can be realized, be seepage earth and rockfill dam
Diagnostic analysis and engineering maintenance provide help, have ensured the safe operation of earth-rock works.
Technical scheme:In order to solve the above-mentioned technical problem, the utility model provides a kind of earth and rockfill dam barrier performance deterioration
Monitoring diagnosis device, including apparent resistivity measuring system, osmotic pressure measuring system, water level measurement system, seepage measurement system
System, rainfall scope, cable and monitoring case.
Preferably, described monitoring case passes through cable and apparent resistivity measuring system, osmotic pressure measuring system, water level
Measuring system, seepage system for measuring quantity, the connection of rainfall scope, gather Monitoring Data.
Preferably, described apparent resistivity measuring system include some measuring electrodes, measuring electrode be equally spaced in
Earth and rockfill dam up stream slope, dam crest, on some vertical sections on downstream slope, connect and be pooled in monitoring case along vertical section by cable.
Preferably, described osmotic pressure measuring system includes the osmometer more than or equal to two, the native stone in osmometer edge
Dam cross section is from upstream to downstream and is embedded in dam, and burial place is at earth and rockfill dam dam foundation top 2 ~ 3m positions.
Preferably, described water level measurement system has two sets, wherein a set of including water level bar, water-level gauge, water level bar cloth
Put in earth and rockfill dam dam crest, cantilever stretches to upstream, and water-level gauge stretches end installed in cantilever, for measuring upper pond level;Other set
Including water level bar, water-level gauge, water level bar is arranged in earth and rockfill dam dam crest, and cantilever stretches to downstream, and water-level gauge stretches end installed in cantilever,
For measuring the level of tail water.
Preferably, seepage system for measuring quantity is located at earth and rockfill dam downstream drainage channel water outlet;Rainfall scope cloth
Dam crest is placed in, on upper pond level bar.
Preferably, described monitoring case includes being used to controlling and measuring water levels of upstream and downstream, osmotic pressure, apparent resistance
The monitoring modular of rate, temperature record, for the diagnostic module diagnosed to earth and rockfill dam barrier performance deterioration analysis.
Preferably, when earth and rockfill dam downstream only has seepage without the level of tail water, described water level measurement system only have it is a set of,
For upper pond level measurement;When there is water level in earth and rockfill dam downstream, described seepage system for measuring quantity does not need mounting arrangements and survey
Amount.
Monitoring case includes the monitoring for being used to controlling and measuring water levels of upstream and downstream, osmotic pressure, apparent resistivity, temperature record
Module, for the diagnostic module diagnosed to earth and rockfill dam barrier performance deterioration analysis, specifically includes following steps:
The first step, data acquisition:Arranged according to frequency collection once a day and obtain water levels of upstream and downstream value, vertical section regarding electricity
Values of resistivity, the osmotic pressure force value of osmometer, downstream leakage value, rainfall value;Wherein rainfall value is day to add up rainfall.
Second step, actual seepage parameters estimation:Select Historical Monitoring data in, upper pond level luffing 0.5m and it is lasting when
Section is more than or equal to the waterlevel data of 10 days;In the different subregions filled according to earth and rockfill dam, selection construction phase of project design report
Seepage parameters, set up the FEM model of earth-rock dam seepage;The upper pond level data of mode input are described 10 days actual measurement upstreams
The average of water level, is expressed asH e , selection upper pond level beH e When osmotic pressure measured value, n osmotic pressure measured value be expressed as p1, p2 ...,
pn;The finite element analysis iterative process based on neutral net is set up, by adjusting seepage parameters, FEM model is oozed at n
Pressure meter burial place calculates obtained osmotic pressure force value by FEM model and is consistent with measured value, then seepage flow after described adjustment
Parameter is earth and rockfill dam runtime actual seepage parameters.
3rd step, the state characteristics extraction of leakage passage:Leakage passage shows as apparent resistance on apparent resistivity cloud atlas
The annular that rate isopleth is surrounded, apparent resistivity value is smaller closer to annular center, and this region water content is relatively higher;Therefore,
One region area is bigger, and apparent resistivity value is smaller, and its position barrier performance is poorer;It is 50 ohm to take apparent resistivity isoline
Scope within m, by the apparent resistivity smallest point in low resistance region as center, calculates each apparent resistivity as low resistance region
Corresponding ratioX,50 ohmm and this position apparent resistivity ratio are expressed as, then isopleth is the ratio at 50 ohmm
For 1, ratio is more than 1 in low resistance region.
By apparent resistivity value ratioxRegion area is integrated, state characteristic value is obtainedv, for numerical integration, use
Thiessen polygon is split to low resistance region, and apparent resistivity measured value, which is multiplied and added up with the area, obtains state characteristic valuev;
4th step, the monitoring, diagnosing model of barrier performance deterioration is set up:The state characteristic value and upper pond level of leakage passage,
The level of tail water, leakage, rainfall are related, it should be noted that because earth-rock dam seepage has hysteresis, variation of water level
Change the change for gradually causing leakage passage state characteristic value with rainfall, the change of leakage is caused afterwards, therefore foundation is oozed
Leak and chosen in the state characteristic value and upper pond level, the level of tail water, leakage, the monitoring, diagnosing model of rainfall of passage, model
Monitoring water level rainfall data a few days ago, while have chosen the leakage data of monitoring in the future, monitoring, diagnosing model formation is:
In formula,a 1~ a 2、b 1~ b 3、c、d 1~ d 4、e 1~e 2、 f 1~f 4For parameter to be asked;H 1 u For the apparent resistivity cloud atlas
Low resistance region center(That is the minimum point of low resistance region apparent resistivity)The head difference of position;H 2 u ForH 1 u Quadratic power;H u1 ~ H u3
Respectively monitor 1 day a few days ago, monitoring 2 ~ 3 days a few days ago, the average of the head difference monitored in 4 ~ 10 days a few days ago day parts;When native stone
When there is the level of tail water in dam downstream,H d For downstream water depth, the monitoring of ne-leakage amount, leakage is 0,d 1~ d 4=0;When earth and rockfill dam downstream without
During water level, there is leakage monitoring,c=0,Q 1~ Q 4Respectively on the day of monitoring day, monitor 1 day in the future, monitor 2 ~ 3 days in the future, monitoring
Leakage average in 4 ~ 10 days in the future day parts;θ is Initial impoundment or acts the number of days divided by 100 surveyed and started day, represents at any time
Between elapse earth-rock dam seepage condition change;R 1~ R 4Respectively on the day of monitoring day, monitor 1 day a few days ago, monitor 2 ~ 3 days a few days ago, prison
The day cumulative precipitation average surveyed in 4 ~ 10 days a few days ago day parts.
5th step, parameter to be asked is calculated and safe range is calculated, and selects Historical Monitoring data of the period more than 1 year, is calculated
The state characteristic value sequence that each monitors leakage passage in vertical section in periodV;Diagnostic model is set up according to the 4th step, is united
Regression analysis is counted, the parameter to be asked of diagnostic model and the fitting value sequence of state characteristic value is obtainedW, realize barrier performance deterioration prison
Survey the foundation of diagnostic model;CalculateVWithWDifferenceU, the Little Probability Event Princiole in applied theory of statistics is rightUAnalyzed,
Take significanceα(1% ~ 5%), then P α =α, it is small probability event, differenceUHaveαProbability fall confidence belt [б 1,б 2] it
Outside, then this section barrier performance is deteriorated.
6th step, barrier performance deterioration comprehensive monitoring diagnosis:In earth and rockfill dam running, in real time monitor upper pond level,
The data such as the level of tail water, leakage, apparent resistivity, rainfall, the actual seepage parameters combination finite element meter obtained using second step
The head difference of each vertical section leakage passage is calculated, data will be calculated and substitute into the monitoring, diagnosing model that the 4th step is obtained, obtains each vertical
The state characteristic value of section leakage passage, has to m vertical section section of arrangement,v 1~v m;According to the mistake of the 3rd step to the 5th step
Journey, calculating the state characteristic value of each vertical section leakage passage hasw 1~w m, calculating differenceu 1~u m, carry out following diagnose:
Primary diagnosis:Whenu 1~u mFully fall in corresponding m confidence belt [б 1,б 2] on, earth and rockfill dam barrier performance is normal.
Two grades of diagnosis:Whenu 1~u mHave more than or equal to 1/3 and fall less than the value of 2/3 quantity in m corresponding confidence belt
[б 1,б 2] outside, earth and rockfill dam barrier properties occur deteriorating, it is necessary to take non-engineering measure.
Three-level is diagnosed:Whenu 1~u mHave the value more than or equal to 2/3 quantity fall corresponding m confidence belt [б 1,б 2] outside,
Earth and rockfill dam barrier properties occur deteriorating, it is necessary to take engineering measure to be safeguarded.
Beneficial effect:A kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration of the present utility model, compensate for existing
The deficiency of earth and rockfill dam barrier performance monitoring, diagnosing analysis, monitoring that can the be permanently effective water related to earth and rockfill dam barrier performance
The data such as position, rainfall, leakage, apparent resistivity, obtain actual seepage parameters, the state feature of leakage passage and actual head poor
Value;Monitoring, diagnosing model, safe range and the comprehensive monitoring diagnosis process of earth and rockfill dam barrier performance deterioration are set up on this basis,
It can effectively realize that nondestructive measurement, leakage rule analysis, the barrier performance of earth-rock dam seepage running parameter deteriorate diagnosis, to ooze
The dangerous diagnostic analysis of leakage earth and rockfill dam disease and engineering maintenance can extend efficient help, so as to ensure the safety fortune of earth-rock works
OK.
Brief description of the drawings
A kind of monitoring diagnosis device top views of earth and rockfill dam barrier performance deterioration of Fig. 1.
A kind of monitoring diagnosis device A-A sectional drawings of earth and rockfill dam barrier performance deterioration of Fig. 2.
Fig. 3 earth and rockfill dams leakage passage and seepage flow drift net schematic diagram.
A kind of monitoring, diagnosing apparent resistivity distribution schematic diagrams of earth and rockfill dam barrier performance deterioration of Fig. 4.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Certain homogeneous earth and rockfill dam is analyzed, height of dam is 25m, upper pond level changes between 15 ~ 22m throughout the year, downstream without
The level of tail water, there is seepage drainage channel;
As shown in Figures 1 to 4, the monitoring diagnosis device of a kind of earth and rockfill dam barrier performance deterioration of the present utility model, including
Apparent resistivity measuring system, osmotic pressure measuring system, water level measurement system, seepage system for measuring quantity, rainfall scope, electricity
Cable and monitoring case.
Wherein, apparent resistivity measuring system is arranged on 5 vertical sections of earth and rockfill dam, including dam crest arranges 2 vertical sections, on
Swim slope and arrange 1 vertical section, 2 vertical sections are arranged on downstream slope;Each vertical section is equidistantly embedded with the measurement electricity of stainless steel
Pole, measuring electrode is connected and is pooled in monitoring case along vertical section by cable.
Wherein, osmotic pressure measuring system includes the osmometer of 3, and osmometer is from upstream to downstream along earth and rockfill dam cross section
It is embedded in dam, burial place is respectively 3m, 2.5m, 2m apart from earth and rockfill dam basis.
Because earth and rockfill dam downstream is without water level, only seepage, water level measurement system only have it is a set of, for measuring upper pond level,
Water level is calculated as intelligent MIK-DP ultrasonic level gages, and range is 0 ~ 20m;Rainfall scope is JD-05B tipping bucket type rainfall
Meter, it is allowed to which peak rainfall intensity is 8mm/min;Seepage system for measuring quantity is weir, includes weir slot and weir meter, amount
Mill weir groove uses the triangular-notch weir of glass steel material, weir meter(Model JY23-BGK-4675)Resolution ratio is 0.025mm, maximum
Range is 5m.
Monitoring case includes the monitoring for being used to controlling and measuring water levels of upstream and downstream, osmotic pressure, apparent resistivity, temperature record
Module, for the diagnostic module diagnosed to earth and rockfill dam barrier performance deterioration analysis, detailed process is as follows:
The first step, monitoring tank module collection is arranged and calculated and obtains the earth and rockfill dam upper water place value of 2012 ~ 2014 years, indulges disconnected
Face apparent resistivity value, the osmotic pressure force value of osmometer, downstream leakage value, day add up rainfall value.
Second step, actual seepage parameters estimation:Select in Historical Monitoring data, 1 ~ April 15 April in 2012, upper water
In level amplitude 0.5m, peak level 20.9m, lowest water level 20.5m, mean water 20.8m.
By the earth and rockfill dam according to the different subregions filled, be divided into dam body banket, the foundation soil of the dam foundation and three, basement rock
Point, basement rock is impermeable stratum;Reference Design and construction information, dam body banket infiltration coefficient for 1.2 × 10-5, foundation soil infiltration
Coefficient is 6.5 × 10-6, the FEM model of earth-rock dam seepage is set up according to the physical dimension of earth and rockfill dam;Mode input upper water
Position 20.8m, downstream is anhydrous;3 osmotic pressure measured values are converted to osmotic pressure head for 18m, 12m, 6.5m through reorganizing calculating;By dam
The banket ratio of infiltration coefficient and foundation soil infiltration coefficient of body is fixed as 1.85;Banket infiltration coefficient and foundation soil of body permeates
Coefficient constantly adjusts permeability coefficient value using BP neural network, it is allowed to which error takes 0.001, is iterated meter to calculate initial value
Calculate;When the variance of three errors of front and rear 2 iteration results is less than allowable error, stop calculating;Dam body is obtained to banket infiltration
Coefficient is 9.6 × 10-5, foundation soil infiltration coefficient is 5.2 × 10-5;It can be seen that, due to earth and rockfill dam barrier performance gradually
Decline, actual infiltration coefficient increases compared with the infiltration coefficient of engineering design and construction time.
The step of 3rd step ~ the 5th, the state characteristics extraction of leakage passage, parameter to be asked is calculated and safe range is calculated:Ooze
Leakage passage shows as the annular that apparent resistivity isoline is surrounded on apparent resistivity cloud atlas(Fig. 4), it is 50 to take isopleth
Scope within ohmm is calculated as low resistance region, and apparent resistivity value is changed, ratio calculated;Due to apparent resistance
Rate data are the sampled point of equidistantly distributed in Fig. 4, low resistance region are split using Thiessen polygon, by each sampled point
Apparent resistivity measured value be multiplied and add up with affiliated area and obtain state characteristic valuev。
To the medium or low resistance area of 1 ~ vertical section of vertical section 5, the state characteristic value on October 1,1 ~ 2014 year March in 2013 is calculated, and
The head difference under the conditions of the actual infiltration coefficient of correspondence period is calculated, required rainfall and the seepage of correspondence same period is arranged
Data are measured, monitoring, diagnosing model is set up, parameter to be asked is obtained by multivariate linear equation;Sequence is obtained on this basisV,VIn
Include vertical section state characteristic value on October 1, period 1 ~ 2014 year March in 2013v, it is fitted value sequenceWInclude March 1 in 2013
Obtained state characteristic value is calculated by monitoring, diagnosing model in period on October 1st, 1u, result of calculation see the table below shown;
The state list of feature values of table 1
Date | Vertical section 1v | Vertical section 1u | Vertical section 2 v | Vertical section 2u | Vertical section 3 v | Vertical section 3u | … |
… | … | … | … | … | … | … | … |
2013.5.1 | 1.79 | 2.09 | 2.15 | 2.31 | 2.44 | 2.55 | … |
2013.5.2 | 1.86 | 1.97 | 2.26 | 2.64 | 2.60 | 2.81 | ... |
2013.5.3 | 2.21 | 2.17 | 2.89 | 2.55 | 2.75 | 2.81 | … |
2013.5.4 | 2.04 | 1.86 | 2.59 | 2.57 | 2.85 | 3.03 | … |
2013.5.5 | 2.07 | 1.90 | 2.63 | 2.50 | 3.31 | 2.91 | … |
2013.5.6 | 1.91 | 2.22 | 2.68 | 2.60 | 2.34 | 2.64 | … |
2013.5.7 | 1.81 | 1.89 | 2.62 | 2.43 | 2.68 | 2.93 | ... |
… | … | … | … | … | … | … | … |
The difference of each sequence is calculated, significance is takenα=5%;Obtain the confidence belt difference of 1 ~ vertical section of vertical section 5
For: [ -0.223, 0.223]、[ -0.327, 0.327]、[ -0.429, 0.429]、[ -0.450, 0.450]、[ -0.
455, 0.455]。
6th step, barrier performance deterioration comprehensive monitoring diagnosis:In earth and rockfill dam running, in real time monitor upper pond level,
The data such as the level of tail water, leakage, apparent resistivity;On October 20th, 2016, diagnostic result on October 10 can be calculated, is utilized
The head difference for each vertical section leakage passage of actual seepage parameters combination FEM calculation that two steps are obtained, will calculate data and substitutes into
The monitoring, diagnosing model that 4th step is obtained, obtains the state characteristic value of each vertical section leakage passage, to 5 vertical sections of arrangement
Have, difference is:0.15、0.2、0.43、0.39、0.46;Obtain following diagnosis:
Two grades of diagnosis, in 5 vertical sections, vertical section 3 and 5, difference is outside confidence belt, and earth and rockfill dam barrier properties occur bad
Change.
Because observed seepage behavior deterioration process is more slow, generally suggestion monthly carries out the diagnostic analysis of 2 ~ 3 times, and one-level is examined
Break as a result, it is desirable to persistently normally be monitored;For two grades of diagnostic results, it is necessary to take the inspection of emphasis seepage place, monitoring, drop
The non-engineering measures such as low water level, to ensure the Seepage Safety of earth and rockfill dam;For three-level diagnostic result, it is necessary to enter to seepage prevention system
Row engineering measure is handled.
Described above is only preferred embodiment of the present utility model, it should be pointed out that:For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (2)
1. a kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration, it is characterised in that:Including apparent resistivity measuring system, ooze
Saturating pressure-measuring system, water level measurement system, seepage system for measuring quantity, rainfall scope, cable and monitoring case;
Described monitoring case passes through cable and apparent resistivity measuring system, osmotic pressure measuring system, water level measurement system, seepage
System for measuring quantity, the connection of rainfall scope, gather Monitoring Data;
Described apparent resistivity measuring system include some measuring electrodes, measuring electrode be equally spaced in earth and rockfill dam up stream slope,
On dam crest, some vertical sections on downstream slope, connect and be pooled in monitoring case along vertical section by cable;
Described osmotic pressure measuring system is included more than or equal to the osmometer of two, and osmometer is along earth and rockfill dam cross section from upstream
It is embedded in downstream in dam, burial place is at earth and rockfill dam dam foundation top 2 ~ 3m positions;
Described water level measurement system has two sets, wherein a set of including water level bar, water-level gauge, water level bar is arranged in Earth and Rockfill Dam
Top, cantilever stretches to upstream, and water-level gauge stretches end installed in cantilever, for measuring upper pond level;Other set includes water level bar, water
Position meter, water level bar is arranged in earth and rockfill dam dam crest, and cantilever stretches to downstream, and water-level gauge stretches end installed in cantilever, for measuring downstream
Water level;
Seepage system for measuring quantity is located at earth and rockfill dam downstream drainage channel water outlet;Rainfall scope is arranged in dam crest, installs
On upper pond level bar;
Described monitoring case includes the prison for being used to controlling and measuring water levels of upstream and downstream, osmotic pressure, apparent resistivity, temperature record
Module is surveyed, for the diagnostic module diagnosed to earth and rockfill dam barrier performance deterioration analysis.
2. a kind of monitoring diagnosis device of earth and rockfill dam barrier performance deterioration according to claim 1, it is characterised in that:Work as soil
When masonry dam downstream only has seepage without the level of tail water, described water level measurement system only have it is a set of, for upper pond level measurement;Work as soil
When there is water level in masonry dam downstream, described seepage system for measuring quantity does not need mounting arrangements and measurement.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106769783A (en) * | 2017-02-10 | 2017-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring diagnosis device and method of a kind of earth and rockfill dam barrier performance deterioration |
CN107607265A (en) * | 2017-10-09 | 2018-01-19 | 中国水利水电科学研究院 | Seepage recognition positioning method and device based on temperature time-space distribution graph |
CN109738137A (en) * | 2019-01-02 | 2019-05-10 | 山东交通学院 | Earth and rockfill dam leakage real-time monitoring and fast diagnosis method based on image comparison |
CN113029894A (en) * | 2021-01-20 | 2021-06-25 | 桂林理工大学 | Test bed for simulating three-dimensional heat seepage coupling transfer of soil body in karst area |
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2017
- 2017-02-10 CN CN201720123892.3U patent/CN206420739U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106769783A (en) * | 2017-02-10 | 2017-05-31 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring diagnosis device and method of a kind of earth and rockfill dam barrier performance deterioration |
CN107607265A (en) * | 2017-10-09 | 2018-01-19 | 中国水利水电科学研究院 | Seepage recognition positioning method and device based on temperature time-space distribution graph |
CN109738137A (en) * | 2019-01-02 | 2019-05-10 | 山东交通学院 | Earth and rockfill dam leakage real-time monitoring and fast diagnosis method based on image comparison |
CN109738137B (en) * | 2019-01-02 | 2021-05-07 | 山东交通学院 | Real-time earth-rock dam leakage monitoring and rapid diagnosis method based on image contrast |
CN113029894A (en) * | 2021-01-20 | 2021-06-25 | 桂林理工大学 | Test bed for simulating three-dimensional heat seepage coupling transfer of soil body in karst area |
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