CN102507658A - Method for measuring concrete vibrating time in real-time - Google Patents
Method for measuring concrete vibrating time in real-time Download PDFInfo
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- CN102507658A CN102507658A CN2011103689690A CN201110368969A CN102507658A CN 102507658 A CN102507658 A CN 102507658A CN 2011103689690 A CN2011103689690 A CN 2011103689690A CN 201110368969 A CN201110368969 A CN 201110368969A CN 102507658 A CN102507658 A CN 102507658A
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Abstract
The invention discloses a method for measuring concrete vibrating time in real-time, which comprises the following steps: firstly, an electrode used for measuring electric potential of to-be-measured concrete is mounted at a head of a spud vibrator; and then, the electrode is connected with a single chip through a power cord; the single chip collects and analyzes electric potential values fed back by the electrode when the spud vibrator is inserted in and pulled out of the to-be-measured concrete, and calculates the vibrating time t of the spud vibrator, so as to feed back the vibrating time for the spud vibrator to be inserted in and pulled out of the to-be-measured concrete in real-time. Therefore, the method utilizes the differences existing in the electric potential values when the spud vibrator is inserted in and pulled out the concrete, so as to monitor the time interval that the spud vibrator is inserted in and pulled out of the concrete, i.e. the vibrating time, and relatively accurately calculate the vibrating time of the spud vibrator in the to-be-measured concrete, and provide indispensable important technical parameters for acquiring the pouring and the vibrating states of the concrete in real-time in an visualized manner.
Description
Technical field
The present invention relates to the detection method of a kind of vibrating spear vibrating time in concrete, belong to concrete pouring quality control field.
Background technology
The reliable test and the overall evaluation of fresh concrete being built the effect of vibrating are one of important steps of concrete Quality Control.The vibrating method of working-yard employing at present is to consider the vibrating spear radius of action, requires to insert vibrating spear with interlace mode and guarantees that the concreting zone basically all obtains vibration compacting.Vibrating spear vibrating time/spacing of vibrating and concrete vibrating mode need be according to fresh concrete workability/build position geometric configuration/template condition/build thickness/factors such as reinforcing bar dense degree of putting in storage; Determine according to experience by the site operation personnel; Generally no longer sink no longer to overflow bubble/concrete surface such as concrete/surface glows phenomenons such as pellicular water mud/audio frequency is gradually high and stable and judges whether vibration compacting of concrete, but can not too vibrate and cause the aggregate segregation that sinks.In the practice, when the workman moves and vibrates, can't accomplish the accurate assurance of the position/degree of depth/duration of vibrating, often mostly is experiential operating, random strong, receives human factor and operating infulence very big; In case occur owing to shake/and crossing shakes/leak shakes, and vibrates and can not satisfy the construction quality requirement, and stay mass defect and can't in time know.This has become the concreting common fault of quality of vibrating, but does not have accurate otherwise effective technique solution at present both at home and abroad.
Obviously, rely on the traditional method of experience can't promptly and accurately intactly know the concreting condition of vibrating, it is fine or not therefore can not to control objective and accurately/estimate concrete pouring quality.On-the-spot will pass judgment on construction concreting Forming Quality important evidence will be provided, and also can feasible technical scheme be provided for concrete construction quality control if can real-time visual obtain the concreting effect of vibrating.
And desire to know in real time visually the concreting condition of vibrating, be its important processing links then for vibrating spear accurate feedback of vibrating time in concrete.
Summary of the invention
The present invention is directed to the deficiency of prior art; A kind of concrete vibrating time real-time detection method is provided; When it utilizes vibrating spear plug concrete; The existing difference of potential value is carried out vibrating spear and is plugged the concrete time interval (being vibrating time) monitoring, to calculate the vibrating time of vibrating spear in treating vibrated concrete comparatively exactly, for knowing the concreting state of vibrating visually in real time indispensable important technology parameter is provided.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of concrete vibrating time real-time detection method; May further comprise the steps: at first, install at the caput of vibrating spear and to be used to measure the electrode of treating the vibrated concrete current potential, then; Electrode is connected with single-chip microcomputer through electric power connection line; The potential value that electrode was fed back when this single-chip microcomputer was treated vibrated concrete through the plug of collection analysis vibrating spear, the vibrating time t that carries out vibrating spear calculates, to feed back the vibrating time that vibrated concrete is treated in the vibrating spear plug in real time.
Said single-chip microcomputer is specially according to the step that vibrating spear plugs the potential value calculating vibrating time of treating vibrated concrete: at first, the potential value setting range is set; Then; Vibrated concrete is treated in the vibrating spear plug; Insert and to treat vibrated concrete and to pull away the potential value when treating vibrated concrete to measure vibrating spear respectively accordingly; And adopt the potential value setting range respectively the potential value that is measured to be revised, characterize vibrating spear and insert and treat that vibrated concrete begin the to vibrate current potential threshold value Us and the vibrating spear of operation pulls away the current potential threshold value Ue that treats vibrated concrete to obtain respectively; Then, adopt vibrating spear to treat the vibrated concrete operation of vibrating, after the operation of vibrating begins; Potential value U and current potential threshold value Us, current potential threshold value Ue that electrode collected are compared; In case potential value U promptly begins the timing of vibrating time greater than current potential threshold value Us, up to potential value U less than current potential threshold value Ue; Stop the timing of vibrating time, thereby realize real-time collection each vibrating time.
The peripheral build-in in the operating side of said vibrating spear has cruciform steel sleeve pipe.
According to above technical scheme, can realize following beneficial effect:
1, the present invention adopts special vibrating spear (in the caput installing electrodes of vibrating spear); Utilize single-chip microcomputer; In the process of vibrating, the slurries on the vibrating spear are monitored thereby respectively vibrating spear is inserted concrete and pulls away two states of concrete inserting and pulling away the different of potential value/resistance value when treating vibrated concrete; Calculate the time interval that vibrated concrete is treated in the vibrating spear plug, promptly obtained the vibrating time of vibrating spear in treating vibrated concrete.Hence one can see that; The present invention adopts comparatively ingenious, simple vibrating spear, electrode integral structure; In conjunction with the software program of working out in the single-chip microcomputer (being used to handle the potential value that electrode is gathered); Calculate the vibrating time of vibrating spear in treating vibrated concrete, can realize the vibrate real-time monitoring of state of the zone of respectively vibrating in the concrete.
2, the present invention adopts the current potential adjusted value that threshold value is revised; The concrete grout liquid resistent value is stablized the existing objective time interval and the concrete performance parameter variation that vibrates from changing to when having embodied the vibrating spear insertion and having pulled away, and has promptly satisfied the objective requirement of concrete vibrating construction.
3, the cross sleeve pipe is installed on the vibrating spear of the present invention, is convenient to easy construction.
Description of drawings
Fig. 1 adopts the vibrate system chart of dynamic and visual monitoring method of the concreting of vibrating time detection method according to the invention;
Fig. 2 adopts the vibrate signal flow graph of dynamic and visual monitoring method of the said concreting of vibrating time detection method according to the invention;
Fig. 3 is the structural representation of vibrating spear according to the invention;
Fig. 4 is the electrode card nested structure synoptic diagram of vibrating spear according to the invention;
Fig. 5 adopts the vibrate FB(flow block) of dynamic and visual monitoring method of the concreting of vibrating time detection method according to the invention;
Wherein:: electrode assemblie 1; Conduit 11; Copper electrode 12; Electrode cutting ferrule 13; Palm grip knob 2; Build-in knob 3; Vibrating spear 4; Electrode wires 5; Welding screw 6.
Embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation; Below will combine accompanying drawing that technical scheme of the present invention at length is described.
Shown in Fig. 1 to 4, complete concreting dynamic and visual monitoring method of vibrating mainly comprises following components: the real-time feedback of the state that vibrates; The real-time feedback of vibrating time; Visualization display after state and the vibrating time of will vibrating integrated specifically, may further comprise the steps: the 1) mensuration of the vibrate track and the vibrating time of vibrating spear---at first; End at vibrating spear is installed the electrode that is used to measure concrete mix current potential to be measured, and the other end is then installed gps antenna; Secondly; Vibrating spear is plugged concrete mix to be measured, and when vibrating spear plugs concrete mix to be measured, adopt traditional RTK mode of operation that gps antenna institute feedback data is handled; To obtain the coordinate data of gps antenna point of fixity on vibrating spear; And this gps antenna coordinate data of point of fixity on vibrating spear fed back to single-chip microcomputer, and according to the elements of a fix data and the relation of gps antenna between the coordinate data of point of fixity on the vibrating spear of vibrating spear caput, the track (x that vibrates in the time of can obtaining vibrating spear plug each time; Y, z); The potential value that electrode is fed back when simultaneously, utilizing the plug of single-chip microcomputer collection analysis vibrating spear to treat vibrated concrete obtains the vibrating time t of vibrating spear; At last, single-chip microcomputer integrates the track that vibrates of vibrating spear with corresponding vibrating time, with form the four-dimensional coordinate data (x, y, z, t); 2) vibrating spear vibrate state visual-with the formed four-dimensional coordinate data of step 1) (x; Y; Z t) feeds back to PaintShop, the vibrating time requirement that this PaintShop is confirmed according to job specifications; Judge the regional effect of vibrating accordingly, and with each zone effect visualization display of vibrating.
Among the present invention, said single-chip microcomputer is specially according to the step that vibrating spear plugs the potential value calculating vibrating time of treating vibrated concrete: at first, the potential value setting range is set; Then; Vibrated concrete is treated in the vibrating spear plug; Insert and to treat vibrated concrete and to pull away the potential value when treating vibrated concrete to measure vibrating spear respectively accordingly; And adopt the potential value setting range respectively the potential value that is measured to be revised, characterize vibrating spear and insert and treat that vibrated concrete begin the to vibrate current potential threshold value Us and the vibrating spear of operation pulls away the current potential threshold value Ue that treats vibrated concrete to obtain respectively; Then, adopt vibrating spear to treat the vibrated concrete operation of vibrating, after the operation of vibrating begins; Potential value U and current potential threshold value Us, current potential threshold value Ue that electrode collected are compared; In case potential value U promptly begins the timing of vibrating time greater than current potential threshold value Us, up to potential value U less than current potential threshold value Ue; Stop the timing of vibrating time, thereby realize real-time collection each vibrating time.
As shown in Figure 1, systemic-function of the present invention realizes that concrete steps are:
1, sets up startup GPS base station.
(1) set up base station and antenna, distance is not less than 3m between the maintenance twin mast, avoids station interference GPS signal.Base station need be erected at physical features, and higher/broad view is local, avoids high-intensity magnetic field, is beneficial to transmission of UHF (Ultra High Frequency) wireless signal and satellite-signal and receives.
(2) on base station and antenna support, install and fix base station DVB and radio station antenna respectively.If the movement station distance is far away, can sets up and use radio station antenna extension rod.Use receiver to start satellite and receive, dodged N time in 5 seconds at interval, show and receive N satellite up to the satellite lamp.
(3) on the antenna foot rest, install and fix the base station digital radio station.On the radio station three serial ports respectively with radio station antenna/power supply/defend receiver to be connected.(wherein the radio station is connected through radio station number biography line with receiver, is connected through the radio station power lead with power supply)
(4) open the radio station, check the radio station power supply, guarantee that base station is provided with success and normally launches differential data to the movement station receiver.The radio station data transmission distance should not be less than 5km.
2, startup GPS movement station is installed.
2.1 centering rod and gps antenna are tightened, are utilized the gps antenna connecting line to be connected with the movement station DVB.
2.2 the startup receiver utilizes receiver antenna to receive base station and sends differential data; Check that signal lamp guarantees to receive
Machine normally receives differential data.
Be GPGGA (GPS fixed data output statement) form 2.3 utilize handbook that the receiver data output format is set, number
According to being spaced apart 1 second positioning time.
3, measurement shows the border of vibrating
3.1 Switching Power Supply in the startup instrument container and single-chip microcomputer according to pointing out on the display screen, are pressed the OK key and are confirmed, show until gps data and precision state always.
3.2 give another radio station energized of supporting (being that data transmission bauds is identical), be connected with computer; Open the display analysis software for calculation that vibrates on the computer, newly-built and name project and LIFT, the setting LIFT is a mobile layer, promptly data can show in real time and be kept under this LIFT catalogue.
3.3 gps antenna (perhaps counterclockwise clockwise) is successively in order chosen and is measured the unique point of intending on the zone boundary of vibrating; When the display precision state is static solution on the display screen; Press the down key and send data; And check and confirm that analytical calculation software mileage is errorless according to acceptance that antenna moves to next unique point then, repeats said process.
Behind the closed-loop path, border, click the mobile layer in the software 3.4 completion to be measured is vibrated by right key, select " graphing " option, select to click " full graphics " option in " generation " tab in ejecting dialog box, generation shows the border of vibrating.
4, startup vibrating time TT&C system is installed
4.1, vibrating spear hook stick end installs build-in gps antenna palm grip knob sleeve pipe, one of centering rod and the welding screw tightening on the sleeve pipe are fixed.
4.2, special electrode assembly (this section can describe in a separate paper) is fixed near the vibrating spear caput, and the electrode power-line other end is connected with single-chip microcomputer.
4.3, special electrode cutting ferrule manufacturing process (nylon material or stainless steel material):
1) opens electrode hole on the material block, utilize the lathe car to go out electrode cutting ferrule basic configuration and chamfering according to dimensional drawing (as shown in Figure 4), and carry out polishing with low power buffing machine;
2) adopt the copper rod of diameter 4mm to make electrode, copper rod blocks into every section 25mm, and on the polishing worktable, the one of which end is polished into wedge angle, and the other end is polished into the plane; Use bench drill (drill bit of 2mm) to polish an end at every section copper rod and vertically punch, the degree of depth 20 ~ 30mm processes copper electrode;
3) insert copper electrode one end aperture to lead, and use small-bore high power moment (3mm ~ 4mm) press core to clamp compacting; Put the nylon tube of bore suitable (6mm outside the interior 4mm) in lead and electrode junction; Be installed into the electrode cutting ferrule to link, and in installation process, use high-intensity AB glue to fill any space that the space is arranged, leave standstill after 15 minutes and put into baking box, baking got final product in 6 hours under 60 degrees centigrade of environment.
4) electrode card cover and vibrating spear installed surface are handled in polishing, form dustless surface, use powerful AB bonding, leave standstill and can come into operation in 24 hours
4.4, according to pointing out on the single-chip microcomputer display screen, set the potential value setting range, press that the up key increases on the single-chip microcomputer, the down key reduces, and press the OK key and confirms the completion setting; The display screen prompting is inserted the storehouse face that vibrates with vibrating spear then; Press OK key on the single-chip microcomputer; Then display screen can be pointed out and extracted vibrating spear; Again by the OK key, will show the state of vibrating (insertion be shown as valid/ extract be shown as invalid) and the position of vibrating (gps coordinate) on the display screen in real time when extracting.
5, the operation of vibrating
Open vibrating spear, the operation of vibrating.Vibrate in the operation process, gps antenna should keep vertically as far as possible, to guarantee to obtain the high precision static solution; Check whether the mobile layer data in the display analysis software for calculation that vibrates refresh demonstration in real time, and carry out Gou Tong ﹑ through intercom and site operation personnel and Zhi Dao ﹑ supervision.
6, graphic presentation
Click the mobile layer in the analytical calculation software by right key, select " graphing " option, setup parameter in " parameter setting " tab in ejecting dialog box comprises the radius of action that vibrates, minimum vibrating time, maximum vibrating time (experiment calibration) etc.Successively click " renewal vibrate data " and " full graphics " option then, generate the demonstration figure that vibrates in real time.According to the figure that vibrates, in real time leakage is shaken and the zone of owing to shake is mended and shaken.
7 ﹑ describe the principle of work and the course of work of the invention
Principle of work of the present invention is:
On the one hand, adopt traditional RTK (Real Time Kinematic) mode of operation to carry out the data processing of GPS, promptly install and fix gps antenna, carry out gps data and receive and send to GPS wireless receiver movement station at the vibrating spear caput; The receiver movement station is also accepted the GPS differential data that base station sends simultaneously; In conjunction with the gps antenna data sent, resolve processing in real time, obtain the hi-Fix coordinate data of vibrating spear caput; Send to single-chip microcomputer, realize the obtaining in real time of the track that vibrates of vibrating spear.
On the other hand; Adopt special nylon sleeve; And according to the residual slurries of concrete on the process sleeve pipe that vibrates inserting the different of when pulling away concrete mix potential value, copper rod fixed electorde and welding waterproof antiwear lead are installed on sleeve pipe, and are connected with single-chip microcomputer at the other end of electric wire; Single-chip microcomputer utilizes the electric signal of electrode transmission, calculates the time interval of plug, realizes obtaining in real time of vibrating time.
Based on the completion of above two work, single-chip microcomputer is integrated the vibrate track and the vibrating time data of vibrating spear, sends to the computing machine of remote terminal in real time through wireless station with the form of packet.Data are at first imported database automatically and are preserved; But the real-time calling data utilize the computer visualization software of writing to combine the job specifications and the pre-set parameter that vibrates to carry out computational analysis according to actual needs, and the vibrated concrete dense state is built in the inline graphics demonstration then; Accurately judge that leaking in the construction of vibrating shakes/owe and shake/cross phenomenon such as shake; And in time for taking the handled measure that visual evaluation foundation is provided, the cold seam of avoiding constructing occurs, and guarantees concrete pouring quality requirement up to specification.
7.1. vibrating spear caput coordinate Calculation principle:
(1) according to vibrating construction requirement; The workmen should vertically insert vibrating spear in the concrete mix; Just gps antenna also will keep vertically (from operability, the antenna lateral error should be controlled in the 10cm), the effective accuracy of the GPS elements of a fix data of guaranteeing to receive; Otherwise gps antenna is crooked serious, and the judgment data precision can reduce.
(2) the real-time displaing coordinate data precision of display screen meeting on the single-chip microcomputer, and, filter the data that do not satisfy the construction requirement precision of vibrating according to program design, only send the high-precision coordinate data that meet the demands to computing machine.
(3) owing to the vertical vibrated concrete of vibrating spear, vibrating spear caput coordinate is identical with the Y value with the X value of gps antenna point of fixity coordinate, and the difference of Z value is the distance of caput and point of fixity.Thereby obtain X, Y, the Z value of caput.
7.2. the principle of work that single-chip microcomputer is tested vibrating time:
(1) is fixed on the vibrating spear, and is connected with single-chip microcomputer; According to the prompting on the single-chip microcomputer display screen, at first the concrete storehouse surface that will vibrate is inserted and pulls away, potential value is sampled.
(2) at first; Consider that the concrete grout liquid resistent value is from changing to the objective time interval of stable existence and the concrete performance parameter variation that vibrates when inserting and pulling away; Therefore can increase the potential value and the potential value that dwindles sampling when pulling away of sampling when inserting through setting current potential adjusted value (relevant vibrate experimental data match concrete workability and potential value setting range relation curve before utilizing are surveyed concrete workability to confirm the potential value setting range through on-the-spot examination again) in good time; And the threshold value of whether vibrating as judgement; Promptly when potential value was not less than upper limit threshold (sampling and adjusted potential value during insertion), single-chip microcomputer began the vibrating time timing, when potential value is not more than lower threshold (sampling and adjusted potential value when pulling away); Stop the vibrating time timing by single-chip microcomputer, thereby realize the calculating of vibrating time.Illustrate: if the current potential adjusted value is set at 10, the sampling potential value is 150 when inserting concrete slurry, and extracting duration is 80; The upper limit threshold that then shows on the display screen will be 140, and lower threshold is 90, when potential value greater than 140 the time; State is for inserting (being shown as valid), and single-chip microcomputer picks up counting, when potential value less than 90 the time; State is for extracting (being shown as invalid), and single-chip microcomputer stops timing; If adjusted value is set at 30 o'clock, the upper limit threshold that then shows on the display screen will be 120, and lower threshold is 110; When potential value greater than 120 the time; State is for inserting (being shown as valid), and single-chip microcomputer picks up counting, when potential value less than 110 the time; State is for extracting (being shown as invalid), and single-chip microcomputer stops timing.
(3) secondly; Consider human factor and environmental factor Random Effect when vibrating; When resistance value is not less than upper limit threshold (the revised resistance value of sampling during insertion), after single-chip microcomputer begins the vibrating time timing, resistance value always instability or stabilization time shorter; Single-chip microcomputer will stop to calculate vibrating time automatically, and filter this vibrating time data.
7.3 show in the ﹑ computing machine and pass judgment on concrete and owe the modeling analysis and the implementation procedure of shaking/crossing and shaking:
(1) (z t) imports database and preservation automatically for x, y single-chip microcomputer to be transmitted vibrating spear four-dimensional coordinate data
(2) by the data boundary that vibrates in the computer graphical process software identification database, set up the zone of vibrating, will count again
According to other valid data in the storehouse, utilize corresponding position calculation contrast between data and the data boundary, shaking
Smash and indicate the data point position of vibrating in the zone;
(3) building body the space discrete according to data point is several little space circle cylinders, and the data point position is done to vibrate
For center of circle vibrating spear useful effect radius (, confirming 5 times ~ 10 times vibrating spear diameter) according to concrete rheological characteristic and vibrating spear specifications and models as the coverage of vibrating, vibrating spear length is high as post;
(4) according to vibrating spear work track, calculate stack zone time of vibrating, according to job specifications confirm vibrate the time
Between requirement, judge the regional effect of vibrating: be and owe to shake if be lower than threshold value, be higher than threshold value and be and shake, white space then shakes for leaking; And show with different colours and yardstick mode owe to shake/leak the zone that shakes that shakes/cross.
7.4. single-chip data acquisition disposal system
(1) single-chip microcomputer receives by GPS and locatees the differential data that the track TT&C system that vibrates transmits, and data layout is GPGGA (a GPS fixed data output statement).The location numeral of GPGGA formatted data is necessary for 4 (being fixed data) could satisfy accuracy requirement, and single-chip microcomputer can be gathered the locator data that satisfies this type of, filters undesirable locator data; In addition, display screen can show the precision state that receives locator data in real time synchronously on the single-chip microcomputer, is convenient to the workmen and in time checks and adjust own concrete vibrating mode, improves the parameter calculation quality of vibrating;
(2) single-chip microcomputer utilizes the vibrating time electrode assembly according to the vibrating time evaluation work process of having stated, obtains the data of vibrating time;
(3) single-chip microcomputer will satisfy concrete plug vibrating time calculation requirement and corresponding coordinate setting data integration, write with new data layout, and send to remote computer through wireless station;
(4) coordinate write of remote computer utilization is handled with analysis software and will be read the vibrating spear space of points four-dimensional coordinate write with new data format (x, y, z, t) data, and import the database preservation automatically;
7.5. the course of work of plastic, transparent instrument container
(1) perforate on the case on the one hand is convenient to install and fix movement station DVB and dihedral iron, is convenient to receiver antenna, gps antenna connecting line, attaching plug, red electrode supply wire terminal on the other hand and extends outside the case;
(2) on the high-quality epoxy resin board, punch, with self-tapping screw radio station, display screen, single-chip microcomputer, Switching Power Supply are tightened and fix onboard, plate is fixed on the dihedral iron again;
(3) the 220V/35W Switching Power Supply is set in the case, adopts attaching plug to draw the 220V power supply to Switching Power Supply, transformation is to 5V and 12V again through Switching Power Supply, and wherein 5V voltage supplies single-chip microcomputer to use, and 12V voltage air feed fan, radio station, movement station DVB use;
(4) two of single-chip microcomputer electrode power-lines are connected with single-chip microcomputer with winding displacement black, green, that Huang Sangen has Du Pont's joint; Wherein green line is the positive source line; Insert 5V pin mouth on the single-chip microcomputer, black line is the power-polar curve, inserts single-chip microcomputer GND pin mouth; Yellow line is a signal wire, inserts J3 left side pin mouth.The method that connects of electrode power-line and winding displacement is: positive source line and a power lead welding, signal wire and another root power lead, 10K resistance one end weld together, power-polar curve and the welding of the 10K resistance other end.Welded the back at soldered joint outerwrap heat-shrinkable T bush, the outer again insulating tape that twines;
(5) should wrap the subsides aluminum foil and adhesive tape on the plastic box case lid, prevent instrument in the sunlight direct projection case; Fan is set plays the effect of cooling hydrofuge, single-chip microcomputer mainboard chip bag pastes hyaline membrane, prevents that rainwater and contamination by dust single-chip microcomputer from causing short circuit.
The principle of work of 6 ﹑ data line transmit GPS coordinate datas:
The movement station DVB resolves and draws the gps coordinate data and be transferred to single-chip microcomputer with GPGGA (GPS fixed data output statement) form through white nine kinds of needles socket line; Filter after precision do not meet the coordinate data of construction requirement and integrate the vibrating time data through single-chip microcomputer; Be transferred to wireless station with data packet format through white nine kinds of needles interface line; Wireless station passes to another supporting reception wireless station with packet; This receives wireless station changes Serial Port Line through USB and is connected with computer, and data deposit database automatically in, and in the software for calculation that vibrates, refreshes in real time and be shown as figure.
The concrete course of work is following:
1, select suitable base station website to set up base station and antenna;
2, on base station and antenna foot rest bearing, install and fix base station DVB and wireless station's antenna respectively;
3, on the antenna foot rest, install and fix wireless station, establish three serial ports on the radio station and be connected with radio station antenna/power supply/receiver respectively;
4, open wireless station and guarantee that base station is provided with success and normally launches differential data to mobile station receiver;
5, gps antenna is tightened to be installed on the centering rod and with the movement station DVB be connected, receiver is plugged the radio station antenna;
6, give another supporting wireless station's energising, and connect computing machine; Start vibrate computational analysis and software for display, upgrade the newly-built name LIFT of PORT COM, and be set to mobile layer;
7, plastic instrument case energising starts single-chip microcomputer and receiver, utilizes handbook that data output format is set and is GPGGA (GPS fixed data output statement) form; Point out according to display screen; Press the OK key and confirm, when pending data is static solution, begin to measure the border of vibrating until real-time video data precision state;
8, boundary survey finishes, and clicks " graphing " option in the software, check that to confirm into figure border and the reality border of vibrating consistent, otherwise deleted data remeasures;
9, at vibrating spear hook stick end gps antenna build-in palm grip knob sleeve pipe is installed, and centering rod is tightened on the sleeve pipe;
10 ﹑ install and fix electrode assembly on vibrating spear, and are connected with single-chip microcomputer;
11 ﹑ single-chip microcomputers reset, and according to display screen prompting on the single-chip microcomputer, to intending the vibrated concrete zone, carry out potential value adjustment correction and set, and plug concrete slurry potential value sampling storage again;
12 ﹑ get into and show the state that vibrates and satisfy measuring accuracy when being static solution, begin the operation of vibrating;
13 ﹑ check whether the data of mobile layer in vibrate computational analysis and the software for display refresh demonstration in real time, and carry out Gou Tong ﹑ through intercom and site operation personnel and Zhi Dao ﹑ supervision;
14, click mobile layer by right key, setup parameter is successively clicked " renewal vibrate data " and " full graphics " option, generates the demonstration design sketch that vibrates in real time;
15, shake to pending leakage and the zone of owing to shake is mended and shaken, the contrast deviation is estimated treatment effect (the evaluation method flow process is the same).
In sum, can know that visualizing monitor method involved in the present invention has following characteristics:
1, the four-dimension of applying GPS assignment test concrete vibrating rod work operation (x, y, z, t) track system realizes collection/transmission in real time/processing concreting status information parameter of vibrating, and can pass through the online demonstration of computer graphical.
2, develop based on the fresh concrete serviceability and build the closely knit real-time software analysis disposal system of remote computer on-line evaluation concrete vibrating under the geometric condition.
3, the fresh concrete cast in situs parametrization of vibrating is estimated implementation method.
4, the online integrated evaluation system of computing machine software/hardware processing is analyzed and is obtained concrete vibrating quality quantification evaluation method.
5, a kind of dependable performance/easy to operate concrete single-point vibrates and plugs the apparatus system that Time Calculation is judged; Comprise special electrode assembly, the single-chip microcomputer sampling/filtering/current potential adjusted value setting/transmitting device and the principle of work of fresh concrete slurries potential value in the plug vibrating spear course of work.
6, the convenience of exploitation/quick single-chip data disposal system comprises data acquisition/filtration/integration/transmission.
7, a kind of technological implementation method that collects GPS dynamic measurement vibrating spear plane (space) coordinate/resistance sensor mensuration concrete vibrating time of plugging/concrete vibrating condition parameter wireless transmission processing and visual real-time judgement of man-machine interface and supervisory system.
8, safe and reliable, the practical and convenient build-in palm grip knob sleeve pipe of development is convenient to the fixing of workman's construction and gps antenna, guarantees effective reception of satellite, thereby obtains high-precision static solution.
9, the transparent instrument container of portable plastic of the dustproof cooling of the sun-proof Fang Chao of the configuration simple and easy Qing Zhi ﹑ of repacking ﹑; The distribution problem of one side solving device; Satisfying the workman of vibrating carries; With various power leads with data line is easy reliably is installed in the casing, avoided site operation inconvenience on the other hand because of the mixed and disorderly initiation of lead.
10 ﹑ single-chip microcomputers assembling super large display screen shows the state that vibrates in real time, is convenient to workmen's visualized operation and feedback regulation.
Claims (3)
1. a concrete vibrating time real-time detection method is characterized in that, may further comprise the steps: at first; Caput installation at vibrating spear is used to measure the electrode of treating the vibrated concrete current potential; Then, electrode is connected potential value/resistance value that electrode was fed back when this single-chip microcomputer was treated vibrated concrete through the plug of collection analysis vibrating spear with single-chip microcomputer through electric power connection line; The vibrating time t that carries out vibrating spear calculates, to feed back the vibrating time that vibrated concrete is treated in the vibrating spear plug in real time.
2. according to the said concrete vibrating of claim 1 time real-time detection method, it is characterized in that said single-chip microcomputer is specially according to the step that vibrating spear plugs the potential value calculating vibrating time of treating vibrated concrete: at first, the potential value setting range is set; Then; Vibrated concrete is treated in the vibrating spear plug; Insert and to treat vibrated concrete and to pull away the potential value when treating vibrated concrete to measure vibrating spear respectively accordingly; And adopt the potential value setting range respectively the potential value that is measured to be revised, characterize vibrating spear and insert and treat that vibrated concrete begin the to vibrate current potential threshold value Us and the vibrating spear of operation pulls away the current potential threshold value Ue that treats vibrated concrete to obtain respectively; Then, adopt vibrating spear to treat the vibrated concrete operation of vibrating, after the operation of vibrating begins; Potential value U and current potential threshold value Us, current potential threshold value Ue that electrode collected are compared; In case potential value U promptly begins the timing of vibrating time greater than current potential threshold value Us, up to potential value U less than current potential threshold value Ue; Stop the timing of vibrating time, thereby realize real-time collection each vibrating time.
3. according to the said concrete vibrating of claim 1 time real-time detection method, it is characterized in that the peripheral build-in in the operating side of said vibrating spear has cruciform steel sleeve pipe.
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| CN 201110368969 CN102507658B (en) | 2011-11-18 | 2011-11-18 | Method for measuring concrete vibrating time in real-time |
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| CN 201110368969 CN102507658B (en) | 2011-11-18 | 2011-11-18 | Method for measuring concrete vibrating time in real-time |
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| CN105044493A (en) * | 2015-06-25 | 2015-11-11 | 河海大学 | Vibrating rod working state determination method based on AC signal detection |
| CN105442851A (en) * | 2015-12-17 | 2016-03-30 | 河海大学 | Real-time and intelligent judgment device and method for valid vibration depth and state of concrete |
| CN111721929A (en) * | 2020-06-24 | 2020-09-29 | 中国三峡建设管理有限公司 | Method for automatically monitoring vibration time of manual vibrating rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104213712A (en) * | 2014-09-01 | 2014-12-17 | 河海大学 | System and method for intelligently detecting non-contact vibrating time |
| CN104213712B (en) * | 2014-09-01 | 2016-06-08 | 河海大学 | Contactless vibrating time intelligent checking system and detection method |
| CN105044493A (en) * | 2015-06-25 | 2015-11-11 | 河海大学 | Vibrating rod working state determination method based on AC signal detection |
| CN105044493B (en) * | 2015-06-25 | 2018-03-09 | 河海大学 | Vibrating spear working condition decision method based on alternating current signal detection |
| CN105442851A (en) * | 2015-12-17 | 2016-03-30 | 河海大学 | Real-time and intelligent judgment device and method for valid vibration depth and state of concrete |
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| CN111721929A (en) * | 2020-06-24 | 2020-09-29 | 中国三峡建设管理有限公司 | Method for automatically monitoring vibration time of manual vibrating rod |
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