CN106651845A - Real-time monitoring method for material boundary pollution in earth and rockfill dam filling and construction process - Google Patents
Real-time monitoring method for material boundary pollution in earth and rockfill dam filling and construction process Download PDFInfo
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- CN106651845A CN106651845A CN201611170315.6A CN201611170315A CN106651845A CN 106651845 A CN106651845 A CN 106651845A CN 201611170315 A CN201611170315 A CN 201611170315A CN 106651845 A CN106651845 A CN 106651845A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 230000008569 process Effects 0.000 title claims abstract description 18
- 239000004575 stone Substances 0.000 claims description 54
- 238000012545 processing Methods 0.000 claims description 9
- 238000007619 statistical method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 12
- 238000007726 management method Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
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- 238000009490 roller compaction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G06T5/70—
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- G06T5/92—
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- G06T5/94—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30132—Masonry; Concrete
Abstract
The invention discloses a real-time monitoring method for material boundary pollution in an earth and rockfill dam filling and construction process. The method comprises the following steps of: utilizing a camera to carry out real-time monitoring on a dam surface material boundary; analyzing real-time monitoring data, and determining a deviation between the practical demarcation line of dam surface material spreading and a dam surface material spreading design demarcation line; according to the deviation between the practical demarcation line of dam surface material spreading and the dam surface material spreading design demarcation line, carrying out dynamic regulation and control on site construction; and carrying out statistic analysis on the monitoring achievement of the material boundary pollution. By use of the method, on-line monitoring and feedback control can be carried out on the dam surface material spreading process of the earth and rockfill dam, the dam surface material boundary pollution is still under a real controlled state so as to exhibit a great significance for guaranteeing construction quality for realizing the delicacy management of engineering construction.
Description
Technical field
The invention belongs to Construction for Hydroelectric Project field, in particular, is to be related to a kind of earth and rockfill dam filling construction mistake
Cheng Zhongliao circle pollutes method for real-time monitoring.
Background technology
Earth and rockfill dam is most widely used and a kind of dam type with fastest developing speed in construction of hydropower plant.Earth and rockfill dam is main on the spot
Draw materials, save the consumption of cement, steel etc., reduce material supply and freight, with significant economy；Earth and rockfill dam
It is to various river valley landform strong adaptabilities, low to the geological conditions requirement at dam site, with wide applicability；Meanwhile, earth and rockfill dam
Construction technology is simple, and operation is few, is easy to combined machine rapid construction.Although earth and rockfill dam is widely used and with the obvious advantage, due to
The rock fill dam construction duration is tight and construction intensity is big, brings bigger challenge to the control of dam construction quality.Material circle divides conduct
One ring of key during earth and rockfill dam filling construction, directly influences dam body roller compaction construction quality.Therefore, how scientifically to material
It is major issue during earth and rockfill dam filling construction that boundary's pollution control effectively.
Rely primarily on the supervision and management of site construction management personnel, this management at present to the control of earth and rockfill dam material circle pollution
Method has played positive role to improving earth and rockfill dam filling construction quality.But the method is present, and accuracy is low, subjectivity strong, interference
Property big, integrity it is poor etc. substantially not enough, and with the continuous improvement of earth and rockfill dam construction scale, this labor management mechanism is full
The requirement of foot not modernization mechanical execution progress and quality.
In recent years, control of the research and development of Information Monitoring Technology with application for Construction of Hydropower Engineering quality provides new way
Footpath.Huang Sheng enjoy etc. using global satellite positioning, wireless data communication technology and computer technology and data processing with point
Analysis technology, carries out integrated with reference to rolling compaction machine, have developed the GPS real-time monitoring systems of CFRD Embankment quality.Zhong Denghua
Deng the respective construction characteristic for core wall rockfill dam and RCCD, core wall rockfill dam and grinding coagulation soil are developed respectively
The filling construction real-time process monitoring system on dam.Although Information Monitoring Technology answering in Construction of Hydropower Engineering quality management field
With more and more wide, but roll track, rolling speed, number of rolling, compacting during being used for dam facing roller compaction construction at present
The monitoring of the roller compaction process parameter such as thickness, not yet pollutes for monitoring material circle.
In sum, in current earth and rockfill dam filling construction to expect boundary's contamination monitoring frequently with artificial conventional control means receive
Interference from human factor is big, extensive management, it is difficult to meet the requirement of modernization mechanical execution progress and quality.Secondly, information-based prison
Application of the control technology in Construction of Hydropower Engineering management is day by day ripe, but not yet for the monitoring to expecting boundary's pollution.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided a kind of that there is real-time, seriality, automatically
Boundary's pollution method for real-time monitoring, the dam facing stone to earth and rockfill dam are expected during the earth and rockfill dam filling construction of the features such as change, high accuracy
Process is monitored on-line and feedback control, makes the pollution of dam facing material circle all the time in true slave mode, and this is for realizing engineering
Build fine-grained management, it is ensured that construction quality is significant.
The purpose of the present invention is achieved through the following technical solutions.
Pollution method for real-time monitoring in boundary's is expected during a kind of earth and rockfill dam filling construction of the present invention, is comprised the following steps：
(1) real-time monitoring is carried out to dam facing material circle using photographing unit；
(2) Real-time Monitoring Data is parsed, determines that marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone；
(3) marginal deviation is designed with dam facing stone according to the actual demarcation line of dam facing stone, action is entered to site operation
State regulates and controls；
(4) the monitoring achievement of statistical analysis of material circle pollution.
The step (1) using photographing unit to the detailed process that domatic material circle carries out real-time monitoring is：In two side of dam body
Photographing unit is respectively mounted on slope, camera technique parameter is previously set, dam facing is carried out taking pictures obtaining dam with Fixed Time Interval
Face stone situation map picture, real-time Transmission is to server database.
The step (2) parses the detailed process of Real-time Monitoring Data：The dam facing stone feelings of collected by camera are compareed first
Condition image carries out pretreatment, including greyscale transformation and the smoothing processing of image, then image is carried out contours extract and profile with
Track, by carrying out statistical analysiss to dam material grain diameter, determines dam facing stone actually marginal position coordinateses, obtains dam facing paving
Marginal deviation is designed with dam facing stone in the actual demarcation line of material.
The step (3) to the detailed process that site operation carries out dynamic regulation is：According to control standard set in advance,
The actual demarcation line of dam facing stone is judged, if marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone surpassing
Control standard set in advance is crossed, then sends warning, instruct personnel to make scene feedback and control measure, repeat the above steps
(1) and (2), persistently it is monitored.
The detailed process of the monitoring achievement of step (4) statistical analysis of material circle pollution is：Paving to finished jobs dam facing
Material boundary situation is counted, and generates declination of the boundary situation pictorial statement and scene correction Hou Liao circle distribution situation figure reports respectively
Accuse, and contaminated subregion and area are illustrated with character property sentence, as the auxiliary material of management of engineering construction.
Compared with prior art, the beneficial effect brought by technical scheme is：
The present invention is integrated with high-resolution imaging technology, automatic transmission technology and image processing techniquess, to dam facing stone
Round-the-clock, long-range, monitor in real time is carried out, to expect that boundary's pollution dynamic control provides reliable basis；Pacify at dam facing filling construction scene
Charging circle's contamination monitoring device, carries out frequent monitoring to stone Limit Control situation；Using high-resolution camera to stone
Situation is taken pictures, and image is uploaded onto the server and data base dam material grain diameter is counted using image processing techniquess
Analysis, whether identification material paves is carried out according to design requirement profile, is such as found material circle's pollution condition, is sent warning immediately, refer to
The scene of leading is processed, it is ensured that stone boundary meets design requirement；To improve engineering construction quality and realizing that engineering construction is fine
Change management offer to provide powerful support for.
Description of the drawings
Fig. 1 is the flow chart of the present invention；
Fig. 2 is wireless bridge bridging arrangement schematic diagram in the present invention；
Fig. 3 is subregion material circle pollution decision flowchart in the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Material circle pollution during earth and rockfill dam dam facing filling construction, directly influences the construction quality of dam, how to dam
Material circle pollution during the filling construction of face carry out monitor in real time and effective control to have become earth-rock works construction urgently to be resolved hurrily
Problem.It is contemplated that ensureing the accuracy of stone position, it is to avoid as the limitation of personal monitoring causes to expect boundary's pollution
Affect construction quality, integrated high-resolution imaging technology, automatic transmission technology and image processing techniquess, there is provided a kind of earth and rockfill dam is filled out
Work progress Zhong Liao circle pollution method for real-time monitoring is built, as shown in figure 1, round-the-clock, long-range, real-time prison is carried out to dam facing stone
Control, specifically includes following steps：
First, real-time monitoring is carried out to dam facing material circle using photographing unit
Fixed high-resolution camera is respectively mounted in certain known location (x, y, z) of dam body both sides side slope, is set in advance
Determine camera technique parameter, adjust and obtain focal length h, angle of elevation alpha, horizontal deflection angle beta and operating distance (the observation thing of photographing unit
During body, the distance of the last one side lens apex of camera lens to observed object) l, above technical parameter is entered into into server data
In storehouse.In work progress, automatic camera is carried out with Fixed Time Interval (such as per 5 minutes) to dam facing and obtains dam facing stone situation
Image, and by the wireless communication networks real-time Transmission independently built to remote server data storehouse, material is judged as analysis
Pave the whether source data carried out according to design requirement profile, wherein, pass through wireless communication networks after the encrypted calculating of source data
Transmit and parsed by application program to database server, must not be changed by control of authority after being stored in data base.Data without
Encrypted state is in line transmitting procedure, it is ensured that data transmission security.As the standby handss that means of communication obstacle situation occurs
Section, front end hardware arrange memory space, and data can be copied by movable storage device around here.After source data enters server, by
Background application carries out calculating analysis, obtains the result of calculation of related stone boundary, realizes for dam facing stone Limit Control
The frequent monitoring of situation.
Wireless communication networks are built：During dam embankment, the addressing of sub-control station is typically nearer away from dam site, while by
It is many in the amount of images of transmitted per unit time and pixel is higher, need higher transfer rate.By AP (Access
Point the wireless bridge (Wireless Bridge) that) module is built is transmitted to image, can make full use of wireless network
The advantage that bridge overlap joint is easy and transfer rate is fast.Wireless bridge can be by positioned at different within tens kms at a distance of hundreds of rice
The two or more independent network segment in building or place is linked up, and realizes the mutual transmission of data, wireless bridge bridging arrangement
As shown in Figure 2.The topological structure of the network of wireless bridge overlap joint is non-stop layer peer-to-peer (Peer to Peer) structure, in channel
On modulation system be DSSS, it is possible to achieve the direction communication of any two website.To ensure the reality of data transfer
Shi Xing, increases broken string redialing function, and increases house dog chronograph mechanism (watchdogtimer, WDT), can be to equipment deadlock shape
Condition is processed and is recovered.
2nd, Real-time Monitoring Data is parsed, determines that marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone
In Surveillance center's configuration monitoring terminal, respectively by wired or wireless communication network, reading operation status data.It is first
First the dam facing stone situation map picture to gathering to high-resolution camera carries out pretreatment, including the greyscale transformation of image and smooth
Process, contours extract and Contour extraction are carried out to image then, by statistical analysiss being carried out to dam material grain diameter, dam facing is determined
The actual marginal position coordinateses of stone, obtain the actual demarcation line of dam facing stone and design marginal deviation with dam facing stone.
(1) greyscale transformation of image
For coloured image, in the case where light is relatively low, high definition, in coloured image, therefore is gray level image
Adaptation different light condition is necessary colored image to be converted to gray level image, and so not only having met process needs but also subtract
Information operation amount is lacked.
(2) smoothing processing of image
The smooth of image is a kind of practical digital image processing techniques, and main purpose is for the noise for reducing image.
The smoothing processing method of image includes spatial domain method and frequency domain method.The calculating speed of frequency domain method is fast, but more complicated, in order to ensure
Real-time, typically using spatial domain method.For stone boundary outline identification, it is most important that keep dam material particulate matter profile
Clearly, while high-frequency noise should be able to be removed, and medium filtering (median filter) meets this condition just.Intermediate value
Wave filter is a kind of nonlinear wave filter, and it can disturb and image scanning noise suppressor pulse well, protect image
Edge does not fog.The smoothing processing that image is carried out using medium filtering remains the half-tone information more about image, makes
The quality of Image Edge-Detection is improved, therefore can detect the more details of image border.
(3) contours extract and Contour extraction
The gray scale of image is divided into different grades first with threshold segmentation method, then with setting optimum gradation threshold value
Method determine the border of significant region or object to be split.By the Threshold segmentation of image, black and white binary map is obtained
Picture, carries out contours extract and tracking on this basis, its objective is to obtain the outer contoured features of image, is the shape point of image
Analysis is prepared.
The data for calculating in real time and monitoring include the image information and image location information of pretreatment.It is soft using image procossing
Part is transferred automatically image information and carries out statistical computation, by carrying out statistical analysiss to dam material grain diameter, determines dam facing stone point
The position coordinateses in boundary line, and the position coordinateses by dam facing stone demarcation line in the picture are back to server database, it is possible to
It is shown on the visualization interface with dam facing construction plan as base map, can intuitively shows the actual demarcation line of dam facing stone
Marginal deviation is designed with dam facing stone.Subregion material circle pollution determination flow is as shown in Figure 3.
For the situation of shooting at night photo, the brightness of dam facing can be improved with reference to night lighting system, to improve photo
Definition；Simultaneously when calculating is analyzed to image, using the Retinex algorithm of amendment, to dam facing stone situation map picture
Later stage process is carried out, and depth value is asked for according to dark primary priori principle, extract the larger region of depth value, by reflecting component
Local enhancement is carried out to the region, the partially visible degree of distant place scene and details is improved.In order to while image is strengthened, it is to avoid
Color distortion, heightens the global contrast of image by irradiating component, and the method can effectively improve vile weather (such as rainy day, mist
It and light are poor etc.) in the case of degeneration coloured image definition.
3rd, according to the actual demarcation line of dam facing stone and the marginal deviation of dam facing stone design is determined, site operation is entered
Mobile state regulates and controls
The actual demarcation line of dam facing stone that obtains (is such as analyzed with the design point of dam facing stone according to control standard set in advance
The deviation in boundary line is less than 10cm), expect that the application program of boundary's contamination monitoring terminal is carried out to the actual demarcation line of dam facing stone in real time
Analysis judges whether to meet design requirement, if marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone exceeding in advance
The control standard for first setting, then illustrate that dam facing stone boundary line occurs pollution, and client then sends warning immediately, instructs related personnel
Scene feedback and control measure are made, repeat the above steps, system background program are continued to monitor to this process, if finding
Do not adjust or be not adjusted in place, then continue to send warning.
4th, the monitoring achievement of statistical analysis of material circle pollution.
Historical review statistics is carried out to the stone boundary situation of finished jobs dam facing according to different rights in monitor terminal, can
Filtered by conditions such as construction period, zones of different, distinct devices；Meanwhile, declination of the boundary situation pictorial statement is generated respectively
And scene correction Hou Liao circle distribution situation Graphics Reports, and contaminated subregion and area are illustrated with character property sentence, as engineering
The auxiliary material of implementation management.
Although being described to the function and the course of work of the present invention above in conjunction with accompanying drawing, the invention is not limited in
Above-mentioned concrete function and the course of work, above-mentioned specific embodiment are only schematic, rather than restricted, ability
The those of ordinary skill in domain the present invention enlightenment under, without departing from present inventive concept and scope of the claimed protection situation
Under, many forms can also be made, these are belonged within the protection of the present invention.
Claims (5)
1. pollution method for real-time monitoring in boundary's is expected during a kind of earth and rockfill dam filling construction, it is characterised in that comprise the following steps：
(1) real-time monitoring is carried out to dam facing material circle using photographing unit；
(2) Real-time Monitoring Data is parsed, determines that marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone；
(3) marginal deviation is designed with dam facing stone according to the actual demarcation line of dam facing stone, enters Mobile state tune to site operation
Control；
(4) the monitoring achievement of statistical analysis of material circle pollution.
2. boundary's pollution method for real-time monitoring, its feature are expected during a kind of earth and rockfill dam filling construction according to claim 1
It is that the step (1) is to the detailed process that domatic material circle carries out real-time monitoring using photographing unit：In the side slope of dam body both sides
Photographing unit is respectively mounted, camera technique parameter is previously set, dam facing is carried out taking pictures with Fixed Time Interval obtains dam facing paving
Material situation map picture, real-time Transmission is to server database.
3. boundary's pollution method for real-time monitoring, its feature are expected during a kind of earth and rockfill dam filling construction according to claim 1
It is that the detailed process of step (2) the parsing Real-time Monitoring Data is：The dam facing stone situation map of collected by camera is compareed first
As carrying out pretreatment, including greyscale transformation and the smoothing processing of image, contours extract and Contour extraction are carried out to image then, led to
Crossing carries out statistical analysiss to dam material grain diameter, determines dam facing stone actually marginal position coordinateses, obtains dam facing stone reality
Marginal deviation is designed with dam facing stone in border demarcation line.
4. boundary's pollution method for real-time monitoring, its feature are expected during a kind of earth and rockfill dam filling construction according to claim 1
It is that the step (3) is to the detailed process that site operation carries out dynamic regulation：It is according to control standard set in advance, right
The actual demarcation line of dam facing stone is judged, if marginal deviation is designed with dam facing stone in the actual demarcation line of dam facing stone exceeding
Control standard set in advance, then send warning, instructs personnel to make scene feedback and control measure, repeat the above steps (1)
(2), persistently it is monitored.
5. boundary's pollution method for real-time monitoring, its feature are expected during a kind of earth and rockfill dam filling construction according to claim 1
It is that the detailed process of the monitoring achievement of step (4) the statistical analysis of material circle pollution is：Stone point to finished jobs dam facing
Boundary's situation is counted, and generates declination of the boundary situation pictorial statement and scene correction Hou Liao circle distribution situation Graphics Reports respectively,
And contaminated subregion and area are illustrated with character property sentence, as the auxiliary material of management of engineering construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170315.6A CN106651845B (en) | 2016-12-16 | 2016-12-16 | Expect that boundary pollutes method for real-time monitoring during a kind of earth and rockfill dam filling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170315.6A CN106651845B (en) | 2016-12-16 | 2016-12-16 | Expect that boundary pollutes method for real-time monitoring during a kind of earth and rockfill dam filling construction |
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| Publication Number | Publication Date |
|---|---|
| CN106651845A true CN106651845A (en) | 2017-05-10 |
| CN106651845B CN106651845B (en) | 2019-10-11 |
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| CN201611170315.6A Active CN106651845B (en) | 2016-12-16 | 2016-12-16 | Expect that boundary pollutes method for real-time monitoring during a kind of earth and rockfill dam filling construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335297A (en) * | 2018-03-16 | 2018-07-27 | 郑州大学 | Gas pipeline backfill engineering foreign matter based on image recognition identifies alarm method |
| CN108344670A (en) * | 2018-01-09 | 2018-07-31 | 国电大渡河流域水电开发有限公司 | A kind of subregion material circle pollution monitor system applied to dam facing filling construction scene |
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| JP2006507941A (en) * | 2002-11-13 | 2006-03-09 | デカ プロダックツ リミテッド パートナーシップ | Distillation using vapor compression |
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| Publication number | Publication date |
|---|---|
| CN106651845B (en) | 2019-10-11 |
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