CN101582198B - Real-time monitoring method for construction quality of core rockfill dam - Google Patents
Real-time monitoring method for construction quality of core rockfill dam Download PDFInfo
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- CN101582198B CN101582198B CN2009100692459A CN200910069245A CN101582198B CN 101582198 B CN101582198 B CN 101582198B CN 2009100692459 A CN2009100692459 A CN 2009100692459A CN 200910069245 A CN200910069245 A CN 200910069245A CN 101582198 B CN101582198 B CN 101582198B
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Abstract
The invention relates to a real-time monitoring method for the construction quality of a core rockfill dam. The method comprises the following steps: the dynamic coordinates and the exciting force output state of a rolling machine and the dynamic coordinates, the no-load and full-load states and the discharge point coordinates of a dam material transporter are collected in real time by monitoringterminals arranged on the rolling machine and the dam material transporter, and are transmitted to a remote database server in real time by a GPRS network; the server analyzes and judges whether the running speed and the exciting force output of the rolling machine exceed a standard or not and whether dam material discharge points match or not in real time, and transmits a corresponding alarm by an alarm device and PDA; and the monitoring terminals of a site sub-control station and a master control center read data by a cable network or a wireless network, carry out real-time calculation and analysis on a dam surface rolling quality parameter and a dam transportation monitoring parameter, compare the result with a setting standard, send out an alarm by the PDA and the monitoring computersof the master control center and the site sub-control station according to the deviation and guide correlative personnel to perform site feedback. The invention effectively improves the precision of the construction quality monitoring of the core rockfill dam and the flexibility of graphical calculation.
Description
Technical field
The present invention relates to a kind of Hydraulic and Hydro-Power Engineering construction quality method for real-time monitoring.Particularly relate to a kind of fine-grained management that can realize, to guarantee and to improve the real-time monitoring method for construction quality of core rockfill dam of engineering construction quality to construction quality of core rockfill dam.
Background technology
Core wall rockfill dam placement grinding quality, the especially construction quality of antiseepage body-centered wall are directly connected to the security of operation of dam.In the core wall rockfill dam work progress, controlling dam material character effectively and filling packing is the key that guarantees the dam construction quality.The ways and means of existing construction quality of core rockfill dam control is mainly followed " rolling earth-rock dam job specifications " (DL/T 5129-2001) regulation.According to this regulation and stipulation, the control that earth and rockfill dam placement grinding quality is mainly come by compacting parameter in the work progress (spread layer thickness, earth and stone material character, number of rolling, roll road speed, exciting force etc.) and compacting criteria (the sampling test result that the unit is checked and accepted is as compactness or dry density, water cut and grating etc.); And dam material compaction quality checks that should roll parameter based on control, testing pits, it is auxilliary to be sampled as.Yet conventional dependence management and workmen artificially control these compacting parameters, owing to be subjected to interference from human factor big, extensive management is so the precision of quality control is not high.So in the actual engineering construction, the testing result of testing pits when construction quality of core rockfill dam control is is mainly still checked and accepted with the unit is a basis for estimation.Doing the problem of bringing like this is: go to reflect with the limited testing result of testing pits the quality that rolls of storehouse, whole construction unit face to have very big error; In addition, operation brings interference to the dam concrete construction owing to the too much operation meeting of digging pit, thereby influences construction speed, also is difficult to satisfy the requirement that turns to the large-scale earth-rock works construction of characteristics with high strength, high machinery.Therefore, employing has the automatic monitoring technique of construction quality of core rockfill dam of characteristics such as real-time, round-the-clock, high precision, placement grinding and dam material transportation to core wall rockfill dam are carried out on-line monitoring and FEEDBACK CONTROL, for realizing the engineering construction fine-grained management, guaranteeing that construction quality has crucial meaning.
At present, at home and abroad there is no research at the automatic monitoring aspect of construction quality of core rockfill dam.Similarly research is GPS real-time monitoring system (hydropower, 2002 (10): 30-32) that Wuhan University has developed the Filling Construction of Concrete Face Rockfill Dam quality at home.This system utilizes the GPS technology, the movement locus of real-time follow-up rolling compaction machine, and then calculate parameters such as travelling speed, number of rolling.But, this system develops at the Concrete Face Rockfill Dam construction characteristic, and no matter core wall rockfill dam construction still is the control (especially showing the control for the placement grinding quality of core-wall antiseepage body) of placement grinding process from construction technology, all is essentially different with the rock construction; In addition, this system monitors also not relate to for the placement grinding of rockfill and rolls one of important parameter---the exciting force of rolling compaction machine output, more effective monitoring is not carried out in transportation to the dam material, so this system can not be applicable to comprehensive control of construction quality of core rockfill dam.External correlative study also just concentrates on the traffic route construction field.
Document " Oloufa; Amr A.; Do Won-seok; Thomas H Randolph.Automated monitoringof compaction using GPS[A] .ASCE Construction Congress Proceedings[C]; Minneapolis; MN, USA, 1997:1004-1011 "; " Do Won-Seok, Oloufa Amr A., ThomasH Randolph.Evaluation of global positioning system devices for a quality controlsystem for compaction operations[J] .Transportation Research Record, 1999,1675:67-74 ", " David J White, Mark J Thompson, Kari Jovaag, et al.Field Evaluationof Compaction Monitoring Technology:Phase II[R] .Iowa State University, 2006 ", all be to utilize the GPS technology; the earth work process of rolling is monitored, to control the compaction rate that roadbed rolls.In sum, these researchs and the requirement of monitoring in real time of energy incompatibility construction quality of core rockfill dam.
Summary of the invention
Technical matters to be solved by this invention is, provide a kind of the realization to roll parameter in the core wall rockfill dam work progress, and the real-time monitoring and the analysis of dam transportation on the dam material, can carry out the real-time monitoring method for construction quality of core rockfill dam of multipath Realtime Alerts and FEEDBACK CONTROL to non-compliant monitoring information.
The technical solution adopted in the present invention is: a kind of real-time monitoring method for construction quality of core rockfill dam, by being installed in monitoring terminal on the rolling compaction machine and the monitoring terminal on the dam material transport vehicle, gather dynamic coordinate, the exciting force output state of rolling compaction machine in real time, and the dynamic coordinate of dam material haulage vehicle, empty full load condition and emptying point coordinate, be sent in the remote database server in real time through GPRS network; Then, according to predefined control criterion, the application program real-time analysis of server end judges whether the road speed of rolling compaction machine, exciting force output exceed standard, and whether mate in material emptying point, dam, and send corresponding warning by pilothouse alarm and portable PDA; Then, the on-the-spot monitor terminal computing machine at control station and master control center that divides is by cable network or wireless WiFi network, read above-mentioned data, carry out further calculating in real time and analyzing, comprise that dam facing rolls mass parameter and transports the real-time calculating and the analysis of going up the dam monitoring parameter; Result and the predefined standard that these are calculated in real time and analyze made comparisons again, according to deviation, sends warning by PDA and master control center with the on-the-spot supervisory control comuter at control station that divides, and instructs the related personnel to make scene feedback and control measure.
Specifically comprise as the next stage:
(1) determines construction storehouse face, carry out the storehouse face and divide;
(2) set the attribute of monitoring the storehouse face, begin to receive monitoring information;
(3) rolling procedural information gathers automatically and sends in real time;
(4) the dam transit information is gathered automatically and is sent in real time on the dam material;
(5) according to the relevant design data, preestablish the control criterion of the strong rock-fill dam construction quality of the heart, entered for the 6th, 8 stages then respectively;
(6) according to predefined control criterion, the application program real-time analysis of server end judges whether road speed, the exciting force output of rolling compaction machine is up to standard, and whether mate in material emptying point, dam, is, entered for the 12nd, 13 stages respectively, otherwise enter next stage;
(7) first kind is reported to the police: hypervelocity, exciting force and emptying point do not meet standard and report to the police, and enter for the 11st stage then;
(8) calculate and monitoring construction quality parameter in real time at on-the-spot control station or the master control center divided;
(9) result that will calculate in real time and predefined quality control standard are made comparisons, and whether the rate of traffic flow of analysis and judgement number of rolling, compacted depth and monitoring road conformance with standard, is to enter for the 12nd, 13 stages respectively, otherwise enter next stage;
(10) second classes are reported to the police: to the warning of number of rolling, compacted depth and road travel density;
(11) feedback of site operation quality and control;
When the construction quality parameter of monitoring did not meet standard, on-the-spot management and workmen taked construct accordingly adjustment measure and remedial measures.
When (12) construction of storehouse face unit finished, the output monitoring result was as the material of inspection of quality;
(13) simultaneously, with the supervising data storage of construction storehouse face in database server, for subsequent query and analysis.
The automatic implementation method of gathering and sending in real time of procedural information that rolls described in stage 3 is: by being installed in the high-precision GPS receiver on the rolling compaction machine, by the current coordinate of setting of time interval location rolling compaction machine, and pass through radio signal, receive the coordinate difference information that the GPS base station sends, revise current coordinate; Simultaneously, by the exciting force real-time acquisition device, the exciting force status signal of the current rolling compaction machine output of Real time identification is with the current coordinate of revised rolling compaction machine, current time and exciting force output state, by gsm module, send to remote database server through GPRS network.
The calculating of rolling compaction machine road speed described in stage 6 is the rolling compaction machine position coordinates of two adjacent time points receiving in real time according to database server, dynamic calculation current time car speed, and promptly 2 distances are divided by the time interval.
Real-time analysis described in stage 6 judges that whether mate in material emptying point, dam, comprises the steps:
1) after upward the dam transport vehicle arrived the emptying point, the driver triggered the discharging switch, utilizes vehicle GPS to determine the position, emptying point simultaneously, and position, emptying point and this car numbering are sent to remote database server; When this storehouse face begins to construct, will go up dam car number and dam material source and binding appellatively, thereby determine the dam material title that this car is loaded;
2) all dam number of partitions word maps on discharging coordinate points and the construction storehouse face elevation are done figure and comprise analysis, determine the dam subregion that this emptying point is affiliated;
3) by the dam subregion of correspondence,, determine the title of required dam material according to the dam design;
4) the dam material title that this car loaded and the required dam material name of place, emptying point subregion are called matching judgment, consider the situation that same subregion can corresponding multiple dam material, both then illustrate the discharging coupling as unanimity; Otherwise, illustrate that discharging does not match, i.e. discharging place mistake;
5) do not match as discharging takes place, then send warning message to related personnel's the portable PDA and the monitor terminal computing machine at branch control station and master control center in real time, instruct the correction of discharging mistake.
The first kind described in stage 7 is reported to the police: by being installed in the alarm of pilothouse, send warning message and auditory tone cues to the driver; Simultaneously, by portable PDA, identical information is sent to dam facing manage and the construction management personnel; In addition, divide at the scene on the monitor terminal computing machine at control station and master control center, also send identical warning message.
The real-time calculating that real-time calculating construction quality parameter described in stage 8 comprises number of rolling, rolls elevation, the dam facing of compacted depth rolls mass parameter, and the real-time calculating that comprises dam monitoring parameter in the transportation of dam intensity in road travel density, the transportation.
The calculating of described number of rolling is to be unit with the pixel, represent number of rolling with different colours, specifically be to roll band color attribute to be set through out-of-date each pixel that is covered of giving, at first judge this pixel current color, conversion obtains the number of rolling numerical value that current color is represented, the color that current number of rolling numerical value is added 1 correspondence is given this pixel then, when the inquiry pass, use the color value return function and catch mouse position color of pixel value, show the number of rolling of this color value representative; Roll band and be to roll track and be axis, roll band so that half muller is wide to what the both sides extends perpendicular formed, be considered as the line segment that live width equals the muller width, use mobile paintbrush method and draw, different rolling compaction machine track definitions are different colors; The component units that rolls track is the orbit segment of p.s., the line segment between promptly adjacent rolling compaction machine location point, and it is drawn the Bresenham algorithm that adopts in the line segment generation technique and realizes; The calculating that rolls elevation is accurate to pixel, roll elevation with gray scale rank value representation, specifically be to draw the band that rolls have elevation information with time sequencing on monitoring plane, face unit, storehouse, to cover and superpose, fetch bit is the interpolation calculation that discrete point carries out altitude figures in the tracing point of the superiors, according to interpolation result each pixel that rolls in the band overlay area is carried out the gray scale assignment, corresponding elevation interval between gray area, when the inquiry elevation, use the gray-scale value return function and pick up the gray-scale value of each pixel, this gray-scale value is converted into rolls elevation numerical value; Compacted depth is to roll the poor of elevation between the vertical correspondence position in this face unit, storehouse and its lower floor face unit, some monitoring storehouse.The calculating of dam intensity is according to the record of unloading in the database server in the described transportation, add up the number of times of unloading of going up the dam haulage vehicle in a certain period, and the vehicle number of unloading, then can calculate the last dam transportation intensity of certain dam material in this period and total last dam transportation intensity; Described road travel Statistics of Density method comprises:
1) numerical map is arranged in the place that generates dam material source stock ground and last dam transport routes, and at the road place of needs monitoring the monitoring markings is set;
2) by follow the tracks of going up the driving trace of dam haulage vehicle, adopt the figure of two lines going cross each other to differentiate algorithm, dynamically judge all tracks of vehicle when setting in the spacer segment with the crossing number of times of markings, be the two-way rate of traffic flow of this road.
Output monitoring result described in stage 12 comprises: dam intensity statistics figure is gone up in roll track line chart, number of rolling figure, compacted depth figure, compacting elevation map, discharging error list, road travel Statistics of Density figure and the transportation of dam material of reflection hypervelocity and exciting force situation.
Real-time monitoring method for construction quality of core rockfill dam of the present invention, under the prerequisite of flow process that meets construction quality of core rockfill dam control and technological requirement, realized rolling in the core wall rockfill dam construction monitoring of dam transportation on quality-controlling parameters and the dam material all sidedly; The real-time that has possessed remote monitoring, to roll the transportation of parameter and dam material and go up the dam monitoring parameter through GPRS network, be sent to network data base in real time, guarantee long-range master control center and managed the synchronism of dividing control station data analysis, overcome data storage in the vehicle monitoring terminal, and can't realize the drawback that the synchronous analysis that causes of teledata lags behind; Adopted based on the parameter that rolls of pixel and calculated in real time and analytical approach, overcome the drawback that adopts the grid discretization algorithm, improved the precision of construction quality of core rockfill dam monitoring and the dirigibility of graphics calculations effectively.
Description of drawings
Fig. 1 is overall flow figure of the present invention;
Fig. 2 is an information flow synoptic diagram of the present invention;
Fig. 3 is the real-time monitoring effect figure of rolling process of corewall rock-fill dam.
Embodiment
Below in conjunction with embodiment and accompanying drawing real-time monitoring method for construction quality of core rockfill dam of the present invention is made a detailed description.
As shown in Figure 2, real-time monitoring method for construction quality of core rockfill dam of the present invention, by being installed in monitoring terminal on the rolling compaction machine and the monitoring terminal on the dam material transport vehicle, gather dynamic coordinate, the exciting force output state of rolling compaction machine in real time, and the dynamic coordinate of dam material haulage vehicle, empty full load condition and emptying point coordinate, be sent in the remote database server in real time through GPRS network; Then, according to predefined control criterion, the application program real-time analysis of server end judges whether the road speed of rolling compaction machine, exciting force output exceed standard, and whether mate in material emptying point, dam, and send corresponding warning by pilothouse alarm and related personnel's PDA; Then, the on-the-spot monitor terminal computing machine at control station and master control center that divides is by cable network or wireless WiFi network, read above-mentioned data, carry out further calculating in real time and analysis, comprise that dam facing rolls mass parameter (containing wheelpath, number of rolling, compacting elevation and compacted depth) and dam the monitoring parameter real-time calculating and the analysis of (containing upward dam intensity of road travel density and transportation) are gone up in transportation; Result and the predefined standard that these are calculated in real time and analyze made comparisons again, according to deviation, sends warning by related personnel's PDA and master control center with the on-the-spot supervisory control comuter at control station that divides, and instructs the related personnel to make scene feedback and control measure.
As shown in Figure 1, specifically comprise as the next stage:
(1) determines construction storehouse face, carry out the storehouse face and divide.
According to the subregion at the face place, storehouse that will monitor, and the elevation of storehouse face after estimating to roll, generate the numerical map of this subregion under this elevation, on this aspect, carry out the storehouse face then and divide according to the construction area (determining) of reality by the reference mark construction coordinate.Face reference mark, storehouse coordinate derives from that unit in charge of construction reports, and open a position planning chart and standard filled out card.
According to the dam bodily form and zoning design, set up dam subregion three-dimensional model, then three-dimensional model is done the plane with different elevation faces and dissect, can obtain the numerical map of all elevation storehouse faces of each subregion.
(2) set the attribute of monitoring the storehouse face, begin to receive monitoring information.
Ready-portioned storehouse face is carried out the attribute setting, comprise input storehouse face title, and carry out the Construction traffic binding, determine the rolling compaction machine identification number of this concrete construction and to the haulage vehicle identification number of this storehouse face feed.
Open the numerical map of this storehouse face, the construction beginning, preparation receives the monitoring information of rolling compaction machine and last dam haulage vehicle.
(3) rolling procedural information gathers automatically and sends in real time;
The described automatic implementation method of gathering and sending in real time of procedural information that rolls is: by being installed in the high-precision GPS receiver on the rolling compaction machine, by the current coordinate (x of the time interval (as 1s) location rolling compaction machine that sets, y, z), and pass through radio signal, receive the coordinate difference information that the GPS base station sends, revise current coordinate; Simultaneously, by the exciting force real-time acquisition device, the exciting force status signal of the current rolling compaction machine output of Real time identification is with the current coordinate of revised rolling compaction machine, current time and exciting force output state, by gsm module, send to remote database server through GPRS network.
Specifically: roll parameter monitor device on the rolling compaction machine and (comprise satellite antenna by being installed in, difference radio station antenna, the high-precision GPS receiver---as Tian Bao 5700S, the exciting force induction installation, the gsm wireless transport module---as Siemens MC 39i or the GTM900b of Huawei, Deng), obtain the dynamic coordinate of rolling compaction machine (passing through differential corrections) in the dam placement grinding work progress, current time, exciting force output state and this roll information such as car identification number, then that effective monitoring result is continuous, (data of every 1s) pass through GPRS network in real time, be uploaded to remote center's database server, for the subsequent applications analysis.
According to the rolling compaction machine circuit characteristic, the exciting force output state determines by driving switch, generally has high frequency lowly to shake, the low frequency height shakes and do not open three kinds of states, and driving switch all is just to trigger by voltage.So, can pass through electronic circuit AD conversion chip, convert the exciting force output state of the voltage signal correspondence of switch to digital signal.
The GPS differential reference station mainly comprises GPS receiver, gps satellite antenna, PDL wireless station, differential signal wireless transmission antenna etc.Double-frequency GPS receiver single-point (receiver carries out satellite-signal and resolves) precision can only reach the accuracy of observation of sub-meter grade, this obviously can't satisfy actual requirement of engineering, in order to improve the computational accuracy of rolling compaction machine GPS receiver, use GPS RTK (dynamic difference) technology, utilize known reference point coordinate to revise the measurement result of real-time acquisition.Pass through data chainning, the GPS observation data and the known position information of base station are sent to the vehicle-mounted GPS receiver of rolling compaction machine in real time, carrying out the carrier phase differential data with the vehicle-mounted GPS observation data of rolling compaction machine handles, thereby calculate more high-precision rolling compaction machine position coordinates, make precision bring up to centimetre-sized, be specially plane precision and be generally less than 3cm, vertical accuracy is generally less than 5cm, so just can satisfy core wall rockfill dam and roll requirements for quality control.
(4) the dam transit information is gathered automatically and is sent in real time on the dam material;
Be installed in the GPS receiver (as four-dimensional GV-IV type) on the dam material haulage vehicle, by the current coordinate of the enough little time interval (as 1min) location haulage vehicle; And, discern the empty full load condition of vehicle, and when triggering the discharging button, by GPS main frame synchronized positioning emptying point coordinate by being installed in the loading and unloading material trigger button on the transport vehicle; With the empty full load condition of current coordinate, current time and the vehicle of haulage vehicle, emptying point coordinate and corresponding time,, send to remote database server through GPRS network by GSM communication module (Siemens MC 39i or the GTM900b of Huawei).
Loading and unloading material trigger button is actually a contactor, require the driver when charging and discharging respectively by corresponding button, current signal can be converted into the digital signal of corresponding discharging or state of charge then.
(5), preestablish the control criterion of the strong rock-fill dam construction quality of the heart according to the relevant design data; Less than 3km/h, number of rolling is greater than 10 times as road speed, and compacted depth is less than 30cm, and dam subregion etc. is supplied on each material source ground.Then, entered for the 6th, 8 stages respectively;
(6) according to predefined control criterion, the application program real-time analysis of server end judges whether road speed, the exciting force output of rolling compaction machine is up to standard, and whether mate in material emptying point, dam, is, entered for the 12nd, 13 stages respectively, otherwise enter next stage;
The calculating of described rolling compaction machine road speed is the rolling compaction machine position coordinates of two adjacent time points receiving in real time according to database server, dynamic calculation current time car speed, and promptly 2 distances are divided by the time interval.
Described real-time analysis judges that whether mate in material emptying point, dam, comprises the steps:
1) after upward the dam transport vehicle arrived the emptying point, the driver triggered the discharging switch, utilizes vehicle GPS to determine the position, emptying point simultaneously, and position, emptying point and this car numbering are sent to remote database server; When this storehouse face begins to construct, will go up dam car number and dam material source and binding appellatively, thereby determine the dam material title that this car is loaded;
2) all dam number of partitions word maps on discharging coordinate points and the construction storehouse face elevation are done figure and comprise analysis, determine the dam subregion that this emptying point is affiliated;
3) by the dam subregion of correspondence,, determine the title of required dam material according to the dam design;
4) the dam material title that this car loaded and the required dam material name of place, emptying point subregion are called matching judgment, consider the situation that same subregion can corresponding multiple dam material, both then illustrate the discharging coupling as unanimity; Otherwise, illustrate that discharging does not match, i.e. discharging place mistake;
5) do not match as discharging takes place, then send warning message to related personnel's the portable PDA and the monitor terminal PC at branch control station and master control center in real time, instruct the correction of discharging mistake.
(7) first kind is reported to the police: hypervelocity, exciting force and emptying point do not meet standard and report to the police, and enter for the 11st stage then;
The described first kind is reported to the police: by being installed in the alarm of pilothouse, send warning message and auditory tone cues to the driver; Simultaneously, by portable PDA (as HP iPAQ rw6818), identical information is sent to dam facing manage and the construction management personnel; In addition, divide on the computing machine of the monitor terminal of controlling station and master control center at the scene, also can send identical warning message.It is that a programmable smart mobile phone is as main frame, with quantity-unlimiting reception alarming short message (when message volume surpasses internal memory, deleting the most previous note automatically) that overspeed alarm is installed in the rolling compaction machine pilothouse; Adopt the solar cell automatic power, with the drawback of avoiding artificial charging to bring.
The described on-the-spot control station of dividing need be arranged near the dam construction scope of operation, making things convenient for field data transmission and feedback, and divides the control station location according to the adjustment of Dam Construction process; Needed 24 hours residently to manage (working in three shifts), be convenient to the management personnel at the construction field (site) monitoring in real time roll quality, in case mass deviation occurs, can in time carry out correction work at the scene.Divide the control station equipment mainly by network communication apparatus (wired network or wireless WiFi network), many of high-performance computers, two-way intercom etc.
Described master control center generally is located at from the working-yard longer-distance owner campsite, mainly comprises server system (database server and application server), evaluation work station system (many of high-performance computers) etc.The master control center cooperates on-the-spot the management, dam facing is rolled on quality and the dam material dam transportation monitor; Especially divide the control station when the scene and accident occurs, during as communicating interrupt, on-the-spot outage, replace on-the-spot management to finish its relevant work.
(8) calculate and monitoring construction quality parameter in real time at on-the-spot control station or the master control center divided;
Described real-time calculating and monitoring construction quality parameter comprise number of rolling, roll elevation, the dam facing of compacted depth rolls mass parameter (monitoring figure sees Fig. 3), and comprise dam monitoring parameter in the transportation of dam intensity in road travel density, the transportation.
The calculating of described number of rolling is to be unit with the pixel, represent number of rolling with different colours, specifically be to roll band color attribute to be set through out-of-date each pixel that is covered of giving, at first judge this pixel current color, conversion obtains the number of rolling numerical value that current color is represented, the color that current number of rolling numerical value is added 1 correspondence is given this pixel then, when the inquiry pass, use the color value return function and catch mouse position color of pixel value, show the number of rolling of this color value representative.
Before rolling band, drafting the monitoring unit interior pixel must be filled number of rolling 0 pairing color, adopting seed fill algorithm that the construction storehouse face polygon of being monitored is carried out the zone fills: earlier the pixel in the zone is decided to be seed points, give the color of appointment, then this color of pixel value is expanded in the whole zone other pixel.
Roll band and be to roll track and be axis, roll band to what the both sides extends perpendicular formed so that half muller is wide, can be considered the line segment that live width equals the muller width, then can use mobile paintbrush method draws, its implementation is: adopt square paintbrush, the paintbrush width is set to represent the numerical value of muller width, and the paintbrush center is moved to produce along the track line segment and rolled band accordingly.In addition, different rolling compaction machine track definitions are different colors, so that distinguish.
The component units that rolls track is the orbit segment of p.s., the line segment between promptly adjacent rolling compaction machine location point, and its drafting can adopt the Bresenham algorithm in the line segment generation technique to realize.If adjacent two seconds rolling compaction machine position coordinates is (X
1, Y
1), (X
2, Y
2), the orbit segment of this point-to-point transmission generates step and is:
1) draws point (X
1, Y
1), dx=X
2-X
1, dy=Y
2-Y
1, the error initial value is P
1=2dy-dx.
2) make i=1, draw the more following pixel coordinate (X of straight-line segment
I+1, Y
I+1); If P
i＞0, Y then
I+1=Y
i+ 1, otherwise Y
I+1=Y
i
3) ask next error; If Y
I+1=Y
i+ 1, P then
I+1=P
i+ 2dy-2dx, otherwise P
I+1=P
i+ 2dy.I=i+1; If i＜dx+1 then changes step 2 over to), otherwise setting-out finishes.
The calculating that rolls elevation is accurate to pixel, roll elevation with gray scale rank value representation, specifically be to draw the band that rolls have elevation information with time sequencing on monitoring plane, face unit, storehouse, to cover and superpose, fetch bit is the interpolation calculation that discrete point carries out altitude figures in the tracing point of the superiors, according to interpolation result each pixel that rolls in the band overlay area is carried out the gray scale assignment, corresponding elevation interval between gray area, when the inquiry elevation, use the gray-scale value return function and pick up the gray-scale value of each pixel, this gray-scale value is converted into rolls elevation numerical value; Compacted depth is to roll the poor of elevation between the vertical correspondence position in this face unit, storehouse and its lower floor face unit, some monitoring storehouse.
The calculating of dam intensity is according to the record of unloading in the database server in the described transportation, add up the number of times of unloading of going up the dam haulage vehicle in a certain period, and the car number of unloading (is determined vehicle capacity/side's amount by this vehicle number, and contained dam material title), then can calculate the last dam transportation intensity of certain dam material in this period and total last dam transportation intensity; Described road travel Statistics of Density method comprises:
1) numerical map is arranged in the place that generates dam material source stock ground and last dam transport routes, and at the road place of needs monitoring the monitoring markings is set;
2) by follow the tracks of going up the driving trace of dam haulage vehicle, adopt the figure of two lines going cross each other to differentiate algorithm, dynamically judge all tracks of vehicle crossing number of times of (as 1 hour) and markings in the spacer segment when setting, be the two-way rate of traffic flow of this road.
(9) result that will calculate in real time and predefined quality control standard are made comparisons, and whether the rate of traffic flow of analysis and judgement number of rolling, compacted depth and monitoring road conformance with standard, is to enter for the 12nd, 13 stages respectively, otherwise enter next stage;
(10) second classes are reported to the police: to the warning of number of rolling, compacted depth and road travel density;
When the rate of traffic flow of number of rolling, compacted depth and monitoring road does not satisfy standard-required, divide the monitor terminal computing machine at control station and master control center to send warning message by the scene, point out the exceed standard content and the zone etc. that exceeds standard.
(11) feedback of site operation quality and control;
When the construction quality parameter of monitoring did not meet standard, on-the-spot management and workmen taked construct accordingly adjustment measure and remedial measures.Report to the police for the first kind, on-the-spot management guiding construction personnel and driver correct speed, exciting force and emptying point.Report to the police for second class, when number of rolling deficiency or compacted depth were excessive, the on-the-spot management sent instruction by intercom to the workmen, mends stone roller; When certain crossing, road rate of traffic flow is excessive, manages notice unit in charge of construction and be optimized scheduling transporting the dam vehicle.
When (12) construction of storehouse face unit finished, the output monitoring result was as the material of inspection of quality;
Described output monitoring result comprises: reflection hypervelocity and exciting force are not inconsistent roll track line chart, number of rolling figure, compacted depth figure, compacting elevation map, discharging error list, road travel Statistics of Density figure and the transportation of dam material of standard trajectory and go up dam intensity statistics figure.
When each concrete construction is finished, divide the control station to manage the monitored results of the strong rock-fill dam construction quality of the output heart, comprise that rolling track line chart (reflection hypervelocity and exciting force are not inconsistent the track of standard), number of rolling figure, compacted depth figure, compacting elevation map, discharging error list, road travel Statistics of Density figure and the transportation of dam material goes up dam intensity statistics figure etc., as the auxiliary material and the foundation of storehouse face examination.
(13) simultaneously, with the supervising data storage of construction storehouse face in database server, for subsequent query and analysis.
Claims (10)
1. real-time monitoring method for construction quality of core rockfill dam, it is characterized in that, by being installed in monitoring terminal on the rolling compaction machine and the monitoring terminal on the dam material transport vehicle, gather dynamic coordinate, the exciting force output state of rolling compaction machine in real time, and the dynamic coordinate of dam material haulage vehicle, empty full load condition and emptying point coordinate, be sent in the remote database server in real time through GPRS network; Then, according to predefined control criterion, the application program real-time analysis of server end judges whether the road speed of rolling compaction machine, exciting force output exceed standard, and whether mate in material emptying point, dam, and send corresponding warning by pilothouse alarm and portable PDA; Then, the on-the-spot monitor terminal computing machine at control station and master control center that divides is by cable network or wireless WiFi network, read above-mentioned data, carry out further calculating in real time and analyzing, comprise that dam facing rolls mass parameter and transports the real-time calculating and the analysis of going up the dam monitoring parameter; Result and the predefined standard that these are calculated in real time and analyze made comparisons again, according to deviation, sends warning by PDA and master control center with the on-the-spot supervisory control comuter at control station that divides, and instructs the related personnel to make scene feedback and control measure.
2. real-time monitoring method for construction quality of core rockfill dam according to claim 1 is characterized in that, specifically comprises as the next stage:
(1) determines construction storehouse face, carry out the storehouse face and divide;
(2) set the attribute of monitoring the storehouse face, begin to receive monitoring information;
(3) rolling procedural information gathers automatically and sends in real time;
(4) the dam transit information is gathered automatically and is sent in real time on the dam material;
(5) according to the relevant design data, preestablish the control criterion of construction quality of core rockfill dam, entered for the 6th, 8 stages then respectively;
(6) according to predefined control criterion, the application program real-time analysis of server end judges whether road speed, the exciting force output of rolling compaction machine is up to standard, and whether mate in material emptying point, dam, is, entered for the 12nd, 13 stages respectively, otherwise enter next stage;
(7) first kind is reported to the police: hypervelocity, exciting force and emptying point do not meet standard and report to the police, and enter for the 11st stage then;
(8) calculate and monitoring construction quality parameter in real time at on-the-spot control station or the master control center divided;
(9) result that will calculate in real time and predefined quality control standard are made comparisons, and whether the rate of traffic flow of analysis and judgement number of rolling, compacted depth and monitoring road conformance with standard, is to enter for the 12nd, 13 stages respectively, otherwise enter next stage;
(10) second classes are reported to the police: to the warning of number of rolling, compacted depth and road travel density;
(11) feedback of site operation quality and control;
When the construction quality parameter of monitoring did not meet standard, on-the-spot management and workmen taked construct accordingly adjustment measure and remedial measures;
When (12) construction of storehouse face unit finished, the output monitoring result was as the material of inspection of quality;
(13) simultaneously, with the supervising data storage of construction storehouse face in database server, for subsequent query and analysis.
3. real-time monitoring method for construction quality of core rockfill dam according to claim 2, it is characterized in that, the automatic implementation method of gathering and sending in real time of procedural information that rolls described in stage 3 is: by being installed in the high-precision GPS receiver on the rolling compaction machine, by the current coordinate of setting of time interval location rolling compaction machine, and pass through radio signal, receive the coordinate difference information that the GPS base station sends, revise current coordinate; Simultaneously, by the exciting force real-time acquisition device, the exciting force status signal of the current rolling compaction machine output of Real time identification is with the current coordinate of revised rolling compaction machine, current time and exciting force output state, by gsm module, send to remote database server through GPRS network.
4. real-time monitoring method for construction quality of core rockfill dam according to claim 2, it is characterized in that, the calculating of the rolling compaction machine road speed described in the stage 6, it is the rolling compaction machine position coordinates of two adjacent time points receiving in real time according to database server, dynamic calculation current time car speed, promptly 2 distances are divided by the time interval.
5. real-time monitoring method for construction quality of core rockfill dam according to claim 2 is characterized in that, the real-time analysis described in the stage 6 judges that whether mate in material emptying point, dam, comprises the steps:
1) after upward the dam transport vehicle arrived the emptying point, the driver triggered the discharging switch, utilizes vehicle GPS to determine the position, emptying point simultaneously, and position, emptying point and this car numbering are sent to remote database server; When this storehouse face begins to construct, will go up dam car number and dam material source and binding appellatively, thereby determine the dam material title that this car is loaded;
2) all dam number of partitions word maps on discharging coordinate points and the construction storehouse face elevation are done figure and comprise analysis, determine the dam subregion that this emptying point is affiliated;
3) by the dam subregion of correspondence,, determine the title of required dam material according to the dam design;
4) the dam material title that this car loaded and the required dam material name of place, emptying point subregion are called matching judgment, consider the situation that same subregion can corresponding multiple dam material, both then illustrate the discharging coupling as unanimity; Otherwise, illustrate that discharging does not match, i.e. discharging place mistake;
5) do not match as discharging takes place, then send warning message to related personnel's the portable PDA and the monitor terminal computing machine at branch control station and master control center in real time, instruct the correction of discharging mistake.
6. real-time monitoring method for construction quality of core rockfill dam according to claim 2 is characterized in that, the first kind described in the stage 7 is reported to the police and is: by being installed in the alarm of pilothouse, send warning message and auditory tone cues to the driver; Simultaneously, by portable PDA, identical information is sent to dam facing manage and the construction management personnel; In addition, divide at the scene on the monitor terminal computing machine at control station and master control center, also send identical warning message.
7. real-time monitoring method for construction quality of core rockfill dam according to claim 2, it is characterized in that, the real-time calculating that real-time calculating construction quality parameter described in stage 8 comprises number of rolling, rolls elevation, the dam facing of compacted depth rolls mass parameter, and the real-time calculating that comprises dam monitoring parameter in the transportation of dam intensity in road travel density, the transportation.
8. real-time monitoring method for construction quality of core rockfill dam according to claim 7, it is characterized in that, the calculating of described number of rolling is to be unit with the pixel, represent number of rolling with different colours, specifically be to roll band color attribute to be set through out-of-date each pixel that is covered of giving, at first judge this pixel current color, conversion obtains the number of rolling numerical value that current color is represented, the color that current number of rolling numerical value is added 1 correspondence is given this pixel then, when the inquiry pass, use the color value return function and catch mouse position color of pixel value, show the number of rolling of this color value representative; Roll band and be to roll track and be axis, roll band so that half muller is wide to what the both sides extends perpendicular formed, be considered as the line segment that live width equals the muller width, use mobile paintbrush method and draw, different rolling compaction machine track definitions are different colors; The component units that rolls track is the orbit segment of p.s., the line segment between promptly adjacent rolling compaction machine location point, and it is drawn the Bresenham algorithm that adopts in the line segment generation technique and realizes; The calculating that rolls elevation is accurate to pixel, roll elevation with gray scale rank value representation, specifically be to draw the band that rolls have elevation information with time sequencing on monitoring plane, face unit, storehouse, to cover and superpose, fetch bit is the interpolation calculation that discrete point carries out altitude figures in the tracing point of the superiors, according to interpolation result each pixel that rolls in the band overlay area is carried out the gray scale assignment, corresponding elevation interval between gray area, when the inquiry elevation, use the gray-scale value return function and pick up the gray-scale value of each pixel, this gray-scale value is converted into rolls elevation numerical value; Compacted depth is to roll the poor of elevation between the vertical correspondence position in this face unit, storehouse and its lower floor face unit, some monitoring storehouse.
9. real-time monitoring method for construction quality of core rockfill dam according to claim 7, it is characterized in that, the calculating of dam intensity is according to the record of unloading in the database server in the described transportation, add up the number of times of unloading of going up the dam haulage vehicle in a certain period, and the vehicle number of unloading, then can calculate the last dam transportation intensity of certain dam material in this period and total last dam transportation intensity; Described road travel Statistics of Density method comprises:
1) numerical map is arranged in the place that generates dam material stock yard and last dam transport routes, and at the road place of needs monitoring the monitoring markings is set;
2) by follow the tracks of going up the driving trace of dam haulage vehicle, adopt the figure of two lines going cross each other to differentiate algorithm, dynamically judge all tracks of vehicle when setting in the spacer segment with the crossing number of times of markings, be the two-way rate of traffic flow of this road.
10. real-time monitoring method for construction quality of core rockfill dam according to claim 2, it is characterized in that the output monitoring result described in the stage 12 comprises: dam intensity statistics figure is gone up in roll track line chart, number of rolling figure, compacted depth figure, compacting elevation map, discharging error list, road travel Statistics of Density figure and the transportation of dam material of reflection hypervelocity and exciting force situation.
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