CN103674805A - Pavement water-seepage standard device and pavement water-seepage coefficient measurement method - Google Patents
Pavement water-seepage standard device and pavement water-seepage coefficient measurement method Download PDFInfo
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Abstract
The invention discloses a pavement water-seepage standard device and a pavement water-seepage coefficient measurement method, and overcomes the deficiencies that measurement standards of a conventional pavement water-seepage meter are deficient, and a measurement value cannot trace to a source. The device comprises a water-seepage container (10), monitors (30), a timer (40) and a controller (50); the monitors (30) are used for monitoring a volume change of a liquid in the water-seepage container (10); the timer (40) is used for recording the water-seepage time corresponding to the volume change; the controller (50) is used for calculating to obtain a water-seepage coefficient according to the volume change and the water-seepage time. The pavement water-seepage standard device and the pavement water-seepage coefficient measurement method greatly improve the standardization degree of the pavement water-seepage meter, realize full automation of the water-seepage coefficient measurement process, have rapid response and high accuracy, can realize verification and calibration of water-seepage coefficient measurement errors, measurement repeatability and other key measurement parameters, and can trace to the source of the quantity value of the pavement water-seepage meter on the significance of metrology.
Description
Technical field
The present invention relates to a kind of gauging instrument, relate in particular to a kind of pavement seepage standard set-up and pavement seepage coefficient metering method.
Background technology
Pavement seepage coefficient is one of guardian technique index of weighing bituminous pavement and asphalt drainage performance, and the size of pavement seepage coefficient is directly connected to the current security of bituminous pavement in the rainy day.The general pavement seepage coefficient measuring instrument (also claiming pavement seepage instrument) that adopts comes road pavement infiltration coefficient to measure.Pavement seepage coefficient generally represents with the volume of the water infiltrating in the unit interval of road surface, and its unit is generally ml/min (mL/min).
Development along with communications and transportation cause, road surface drainage performance is paid attention to day by day, launched one after another the research of drainage asphalt compound and construction technology thereof both at home and abroad, the accuracy of pavement seepage instrument becomes one of emphasis of the measurement verification of transportation industry instrument, Research on Calibration Technology.
But for a long time, because lacking pavement seepage coefficient measurement standard, the calibrating of pavement seepage instrument, calibration operation cannot normally be carried out always.Conventional method is only according to the industry standard of pavement seepage instrument, the scale of its measuring tank that is filled with water, internal diameter, ballast steel ring weight etc. to be measured, to guarantee the consistance of instrument pattern, cannot carry out the check of apparatus measures process, also cannot realize calibrating and the calibration of the crucial measuring parameters such as infiltration coefficient measuring error, measuring repeatability, the needs of transportation industry detecting instrument measuring control can not be met, the magnitude tracing of pavement seepage instrument cannot be realized from metrology meaning.
Summary of the invention
Technical matters to be solved by this invention is the measurement standard disappearance that overcomes current pavement seepage instrument, and value cannot be realized the deficiency of tracing to the source.
In order to solve the problems of the technologies described above, the invention provides a kind of pavement seepage standard set-up, this device comprises infiltration container (10), monitor (30), timer (40) and controller (50), wherein:
Described monitor (30) is monitored the volume change of liquid in described infiltration container (10);
The infiltration time that described timer (40) record is corresponding with described volume change;
Described controller (50), according to described volume change and infiltration time, calculates and obtains infiltration coefficient.
Preferably, this device comprises the valve (20) that is arranged on described infiltration container (10) bottom, and described controller (50) is controlled the switching of described valve (20).
Preferably, described monitor (30) comprises high speed imaging camera, and described high speed imaging camera adopts Digital Image Processing and mode identification technology to monitor described volume change.
The application's embodiment also provides a kind of pavement seepage coefficient metering method, is applied to the metering that pavement seepage instrument carries out infiltration coefficient, and this pavement seepage instrument mainly includes infiltration container, monitor, timer and controller; The method comprises:
The volume change of the liquid in containers that seeps water described in described monitor monitors;
The infiltration time that described timer record is corresponding with described volume change;
Described controller, according to described volume change and infiltration time, calculates and obtains described infiltration coefficient.
Preferably, the volume change of the liquid in containers that seeps water described in described monitor monitors, comprising:
When described monitor monitors arrives default scale to the liquid in described infiltration container, produce scale signal and send to described controller.
Preferably, the infiltration time that described timer record is corresponding with described volume change, comprising:
Described controller produces control signal according to described scale signal and sends to described timer;
Described timer carries out timing according to described control signal, and sends to described controller using the recorded time as the described infiltration time.
Preferably, the volume change of the liquid in containers that seeps water described in described monitor monitors, comprising:
The control signal monitoring that described monitor sends according to described controller obtains described volume change.
Preferably, the infiltration time that described timer record is corresponding with described volume change, comprising:
The control signal that described timer sends according to described controller records the described infiltration time.
Preferably, described controller is received after the clocking information of described timer transmission, to described monitor, is sent described control signal.
Compared with prior art, the application's embodiment has significantly improved the standardization level of pavement seepage instrument, and the interlock by the liquid level monitoring of infiltration container, valve opening and closing and timing are controlled, has realized the full-automation of infiltration coefficient measuring process, rapidly, accuracy is high in response.The pavement seepage standard set-up of the embodiment of the present application, can realize calibrating and the calibration of the crucial measuring parameters such as infiltration coefficient measuring error, measuring repeatability, can from metrology meaning, realize the magnitude tracing of pavement seepage instrument, can meet the needs of transportation industry detecting instrument measuring control completely.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in instructions, claims and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for instructions, is used from explanation technical scheme of the present invention with the application's embodiment mono-, does not form the restriction to technical solution of the present invention.
Fig. 1 is the organigram of the pavement seepage standard set-up of the embodiment of the present application.
Fig. 2 is the schematic diagram that the pavement seepage standard set-up of the embodiment of the present application carries out magnitude tracing and transmission.
Fig. 3 is the schematic flow sheet of the pavement seepage coefficient metering method of the embodiment of the present application.
Fig. 4 is the pavement seepage coefficient metering method of the embodiment of the present application schematic flow sheet in an application.
Embodiment
Below with reference to drawings and Examples, describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.Each feature in the embodiment of the present application and embodiment is the mutually combining under prerequisite of not conflicting mutually, all within protection scope of the present invention.
In addition, in the step shown in the process flow diagram of accompanying drawing, can in the computer system such as one group of executable instruction, carry out.And, although there is shown logical order in flow process, in some cases, can carry out shown or described step with the order being different from herein.
As shown in Figure 1, the pavement seepage standard set-up of the embodiment of the present application, mainly comprises infiltration container 10, valve 20, monitor 30, timer 40 and controller 50 etc.
Valve 20 is arranged on the bottom of infiltration container 10, and the liquid of being convenient to seep water in container 10 flows out infiltration container 10.The below of infiltration container 10 is placed with standard 11, is used for preserving and reappears a certain infiltration coefficient value.
The volume change of liquid in monitor 30 monitoring infiltration containers 10.
In the application's embodiment, monitor 30 can change to obtain the volume change of liquid by the seep water liquid level of liquid in container 10 of monitoring.
In timer 40 record infiltration containers 10 liquid produce volume change infiltration time of process.In the application's embodiment, the liquid in 40 pairs of infiltration containers 10 of timer carries out record from the first more volume change to institute's elapsed time the second less volume, and acquired results is the infiltration time from the first volume change to the second volume.
In the application's embodiment, on the wall of infiltration container 10, be provided with the first scale and second scale of liquid volume in sign infiltration container 10.This first scale on infiltration container 10, can be corresponding to more the first volume (the first higher liquid level of liquid level in other words) of liquid in infiltration container 10.This second scale on infiltration container 10, can be corresponding to less the second volume (the second lower liquid level of liquid level in other words) of liquid in infiltration container 10.Such as, this first scale can be 100 milliliters (mL), this second scale can be 500mL.So, timer 40 can monitor in infiltration container 10 liquid during through the first scale at monitor 30, according to the instruction of controller 50, start timing, and monitor 30 monitor infiltration container 10 in liquid through during the second scale, according to the instruction of controller 50, stop timing, the liquid level that obtains liquid in infiltration container 10 changes to the infiltration time between the second scale from the first scale.
The switching of controller 50 by-pass valve controls 20.When valve 20 is opened, the liquid in infiltration container 10 flows out through valve 20, and permeates in standard 11; When valve 20 is closed, the liquid in infiltration container 10 stops flowing out infiltration container 10.
The volume change of liquid in the infiltration container 10 that controller 50 monitors according to monitor 30, comes the switching of by-pass valve control 20 and timer 40 to start and stop timing.The volume change of liquid in the infiltration container 10 that controller 50 also monitors according to monitor 30, and the timer 40 infiltration time corresponding with this volume change that record, calculate and obtain infiltration coefficient.
In the application's embodiment, in infiltration container 10 in the volume change and these two parameters of infiltration time that timer 40 records of liquid, can be this volume change arrive preset value and this infiltration time in response to producing in this default volume change, also can be this arrive preset value infiltration time and this volume change in response to producing in this default infiltration time, can also be this volume change with this infiltration time simultaneously according to the sign on of controller 50 with end instruction and produce corresponding relation.
As shown in Figure 1, the application's embodiment, can also comprise water container 60, is positioned at the below of infiltration container 10.Be convenient to the liquid that splendid attire oozes out from standard 11.
In the application's embodiment, infiltration container 10 can be graduated cylinder.
In the application's embodiment, monitor 30 can be high speed imaging camera, the image that is no less than the high-frequency Real-time Obtaining guarded region of 20 frames with kind per second, adopt in real time the volume change of liquid in Digital Image Processing and mode identification technology monitoring infiltration container 10, represented liquid level line in detected image, if liquid level line position arrives default position, exports corresponding signal, control timer, the action of all right by-pass valve control.This level gauging mode is contactless measurement, and measuring element and liquid are isolated completely, on liquid internal stress without any impact.This method, based on principle of computer vision, is the concrete application aspect highway material Performance Detection of bionics and artificial intelligence technology, and the validity of its detection is easy to be verified, even if occur that erroneous judgement is also easy to be found.
In the application's embodiment, monitor 30 can be correlation optoelectronic switch.Adopt correlation optoelectronic switch monitoring position of fluid level, the transmitting terminal of every cover correlation optoelectronic switch and receiving end are individually fixed in to the both sides of infiltration container 10 wall high scales, also i.e. a set of both sides of being fixed on the first scale on infiltration container 10 walls wherein, the another set of both sides of being fixed on the second scale on infiltration container 10 walls.At infiltration container 10 not under the vacant state of contain fluid, by two cover correlation optoelectronic switches calibration contrapositions; When infiltration container 10 is when correlation optoelectronic switch At The Height also fills liquid, because liquid is to interception of rays, the receiving end of correlation optoelectronic switch cannot receive the signal that transmitting terminal is launched, so the correlation optoelectronic switch under this height will disconnect; When infiltration container 10 is not when correlation optoelectronic switch At The Height has liquid, the receiving end of correlation optoelectronic switch just can receive the signal that transmitting terminal is launched, so the correlation optoelectronic switch under this height will be connected.Utilize this principle, when liquid level passes through default height (as the height at the first scale and the second scale place), the on-state of correlation optoelectronic switch will be changed to connection by disconnection, according to this variation, can monitor the height of liquid level in infiltration container 10 and send to controller 50.
In the application's embodiment, monitor 30 can be liquid level gauge.Adopt the liquid level of liquid in liquid level gauge monitoring infiltration container 10 to change, and feed back to controller 50, by controller 50, send instruction to timer or valve, complete the metering of Automatic-seepage water coefficient.If adopt built-in type liquid level gauge, liquid level gauge as flexible in magnetic hysteresis, because ball float and guide rod can occupy a part of liquid volume, the container 10 that therefore seeps water need carry out corresponding scale adjustment accordingly, to eliminate the impact on measurement result of ball float and guide rod.
In the application's embodiment, monitor 30 can be also laser or ultrasonic range finder.Adopt stadimeter monitoring level change, and then be scaled volume.Adopt in this way when stadimeter type selecting, need to consider that instrument is for measurement validity and the accuracy of measurement of liquid level medium, as adopted the laser range finder of principle of triangulation, also need to consider that graduated cylinder bore and the degree of depth can the no reflection pathss that has influence on laser beam.
As shown in Figure 2, when the measured value of pavement seepage standard set-up of the embodiment of the present application carries out magnitude tracing to National primary standard, can pass through " multiple measurement method ", infiltration coefficient value is decomposed into volumetric quantity and time quantum, trace to the source respectively to capacity and temporal frequency National primary standard, to realize tracing to the source of value that standard set-up reappeared.The pavement seepage standard set-up of the embodiment of the present application carries out in transmission of quantity value process to next stage measurement standard (infiltration coefficient standard), the pavement seepage standard set-up of the embodiment of the present application can be used as again infiltration coefficient standard simultaneously, first by the direct method of measurement, next stage standard of measurement (infiltration coefficient standard) is carried out to assignment, by " pavement seepage coefficient measuring instrument ", directly measure " infiltration coefficient standard " again, comparison by measurement result with " assignment " (standard value), determine whether the metering performance of working measuring instrument meets the requirement of vertification regulation.
The pavement seepage coefficient metering method of the embodiment of the present application, is mainly used in the metering that pavement seepage instrument carries out infiltration coefficient, and this pavement seepage instrument mainly includes infiltration container, monitor, timer and controller etc.In the pavement seepage coefficient metering method of the embodiment of the present application, the volume change of monitor monitors infiltration liquid in containers; The infiltration time that timer record is corresponding with volume change; Controller produces control signal according to this volume change and sends to this infiltration time of timer record, and controller according to infiltration time and volume change calculates and obtains infiltration coefficient.
Wherein, the volume change of monitor monitors infiltration liquid in containers, can be monitor monitors while arriving default scale to the liquid in infiltration container, produces scale signal and sends to controller.Controller produces control signal according to scale signal and sends to timer; Timer carries out timing according to control signal, and sends to controller using the recorded time as the infiltration time.Such as, when monitor monitors arrives the first scale to the liquid in infiltration container, generation expression infiltration liquid in containers is that the first scale signal of the first volume sends to controller.Controller produces the first control signal according to this first scale signal and sends to timer, and timer starts timing according to this first control signal.When monitor monitors arrives the second scale to the liquid in infiltration container, generation expression infiltration liquid in containers is that the second scale signal of the second volume sends to controller.Controller produces the second control signal according to this second scale signal and sends to timer, and timer stops timing according to this second control signal, and the recorded time (also seeping water the time) is sent to controller.Controller is according to the volume change of this first scale signal and the second scale signal acquisition infiltration liquid in containers, the time of recording according to this volume change and timer, calculates and obtains infiltration coefficient.
Wherein, the volume change of monitor monitors infiltration liquid in containers, can be also that the control signal that monitor sends according to controller is monitored the volume change that obtains the liquid in infiltration container.The control signal record infiltration time corresponding with this volume change that timer sends according to controller.Such as, controller sends the first control signal to monitor and timer; Monitor receives after this first control signal, and the first volume that monitoring at once obtains infiltration liquid in containers also feeds back to controller; Timer receives after the first control signal, and timing will begin in a minute.Through after a period of time, controller sends the second control signal to monitor and timer; Monitor receives after this second control signal, and the second volume that monitoring at once obtains infiltration liquid in containers also feeds back to controller; Timer is received after the second control signal, stops timing at once, and the recorded time (also seeping water the time) is fed back to controller.Controller obtains the volume change of infiltration liquid in containers according to this first volume and the second volume, the time of recording according to this volume change and timer, calculate and obtain infiltration coefficient.
Wherein, the volume change of monitor monitors infiltration liquid in containers, can also be that the control signal that monitor sends according to controller is monitored the volume change that obtains the liquid in infiltration container, and controller is after receiving the clocking information that timer sends, the control signal sending to monitor.Particularly, timer sends the very first time information that represented for first moment to controller, and controller is received after this very first time information, to monitor, sends the first control signal, and indication monitor monitors obtains the first volume of the liquid in infiltration container.Monitor receives after this first control signal, and the first volume that monitoring at once obtains the liquid in infiltration container also sends to controller.Through after a period of time, timer sends the second temporal information that represented for second moment to controller, and controller is received after this second temporal information, to monitor, sends the second control signal, and indication monitor monitors obtains the second volume of the liquid in infiltration container.Monitor receives after this second control signal, and the second volume that monitoring at once obtains the liquid in infiltration container also sends to controller.Controller obtains the infiltration time of infiltration container constantly according to this first moment and second, obtains the volume change of the liquid in containers that seeps water, and according to this infiltration time and volume change, calculate and obtain infiltration coefficient according to this first volume and the second volume.
As shown in Figure 3, the pavement seepage coefficient metering method of the embodiment of the present application, mainly comprises following content:
Step S310, the monitor of monitoring infiltration liquid in containers volume change, while monitoring the first scale of liquid arrival sign the first volume in infiltration container, produces the first scale signal and sends to controller.
Step S320, controller is received after this first scale signal, produces the first control signal and sends to timer, and record the first volume that this first scale signal is corresponding.
Step S330, timer starts timing according to this first control signal.
Step S340, when monitor monitors arrives the second scale of sign the second volume to the liquid in infiltration container, produces the second scale signal and sends to controller.
Step S350, controller is received after this second scale signal, produces the second control signal and sends to timer, and record the second volume that this second scale signal is corresponding.
Step S360, timer stops timing according to this second scale signal, and sends to controller using the recorded time period as the infiltration time.
Step S370, controller, according to this first volume, the second volume and this infiltration time, calculates and obtains pavement seepage coefficient.
As shown in Figure 4, the pavement seepage standard set-up of the embodiment of the present application is in some tentative concrete application, in infiltration container, pack into after liquid, first manually Open valve or control Open valve by controller and seep water in advance, and be limited with the liquid in not emptying infiltration container, discharge the bubble (step S1) that may exist in infiltration container.Then valve-off (manually or accept the control of controller), again toward filling liquid (step S2) in the container that seeps water.This twice filling liquid of infiltration container, can fill with infiltration container.Afterwards, Open valve again, infiltration container again seep water (step S3).When monitor monitors is down to the first scale (such as 100 milliliters) to the liquid in infiltration container, produces the first scale signal and send to controller (step S4).Controller sends the first control signal to timer (step S5) according to this first scale signal.Timer starts timing (step S6) according to this first control signal.Infiltration container continues to seep water.When monitor monitors is down to the second scale (such as 500 milliliters) to the liquid in infiltration container, produces the second scale signal and send to controller (step S7).Controller sends the second control signal to timer (step S8) according to this second scale signal.Timer stops timing (step S9) according to this second control signal.Now, the time that timer records, in the container that seeps water exactly, ooze out 400 milliliters of (500 milliliters-100 milliliters) liquid infiltration time of process.Controller, according to this infiltration time, the first scale signal and the second scale signal, calculates and obtains corresponding infiltration coefficient (step S10).
As shown in Figure 4, in other application of the embodiment of the present application, the first control signal that timer sends according to controller starts after timing, judge whether timing has arrived the default time period (step S61), if stop timing and to controller transmitting time arriving signal (step S62), go to step S64 and continue to carry out; Otherwise timer is proceeded timing, monitor continues the liquid level (step S63) of monitoring infiltration liquid in containers, and now, infiltration container continues to seep water.Controller produces liquid level monitoring signal and sends to monitor (step S64) according to this time arriving signal.Monitor obtains the current scale (such as 400 milliliters) of infiltration liquid in containers according to this liquid level monitoring signal monitoring infiltration container, and sends to controller (step S65).Controller, according to poor, this Preset Time section arriving signal of this current scale and the first scale and default time period etc., calculates and obtains corresponding infiltration coefficient (step S66).
The application's embodiment adopts the contactless liquid level monitoring technology based on image recognition, have monitoring precision high, real-time, the advantage such as can not be affected by human factors, measurement data more accurately and reliably, repeatability, stability is better, can be used for setting up the highest measurement standard of transportation industry of pavement seepage instrument, for the magnitude tracing of transportation industry infiltration coefficient measuring instrument provides base apparatus and technical support.
The application's embodiment adopts that liquid level is monitored automatically, during Computer and valve jointly control scheme, significantly improved the automaticity of infiltration coefficient measuring instrument calibration, and made up existing calibration program and be difficult to the defect that the indexs such as measuring error, measuring repeatability are measured, fundamentally solved the measuring problem of infiltration coefficient measuring instrument.
The application's embodiment adopts infiltration coefficient standard, both solved the problem that in-site measurement is difficult to repetition, can be used as again the carrier of transmission of quantity value, for the transmission of infiltration coefficient magnitude tracing provides technological means easily, be conducive to measurement standard in the promotion and application of whole transportation industry.
The infiltration container of the embodiment of the present application, adopts the dismountable base matching with infiltration container, and infiltration container can be pulled down together with base, after installation end socket, gets final product censorship, conveniently realizes magnitude tracing.Infiltration container adopts the quartz glass tube of excellent heat stability to make, and measurement result is acted upon by temperature changes and greatly reduces.
The infiltration container of the embodiment of the present application, operating platform adopts two " Y " font briquettings to form " four-point " rotary compacting device, by " O " type rubber ring, carries out waterproof sealing, and clean, environmental protection, can repeatedly be used, easy to operate.
The application's embodiment utilizes digital imagery, pattern-recognition, the technological means such as controls realizes the contactless automatic monitoring of liquid level in the container that seeps water automatically, and monitoring result can formation control instruction, by controller by-pass valve control and timer etc.
The application's embodiment adopts two scale positions on double camera monitoring infiltration container, and Real-time Collection liquid level image also carries out automated graphics identification, Measurement accuracy infiltration volume in dynamic infiltration process.
In the application's embodiment, camera lens possesses optical microphotograph amplification, compares human eye observation, the accuracy that has significantly improved liquid level identification and calculated.The application's embodiment utilizes the camera of high frequency collection to monitor the level change on infiltration container, compares artificial observation, responds sensitive.
The application's embodiment has multiple-working mode, and optionally one triggers the keying of valve, adapts to the measurement of whole infiltration coefficient scopes.The application's embodiment can calculate and record infiltration coefficient automatically, and forms report file and automatically file.The application's embodiment adopts autotimer, and can utilize electromagnet to simulate artificial button operation, also can record the infiltration time by external stopwatch.The application's embodiment carries out timing at external stopwatch, stopwatch can be fixed on autotimer, and autotimer, by trigger stopwatch when receiving the timing instruction that controller is sent, manually reads the stopwatch time during off-test.
Although the disclosed embodiment of the present invention as above, the embodiment that described content only adopts for ease of understanding the present invention, not in order to limit the present invention.Those of skill in the art under any the present invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can in the form of implementing and details, carry out any modification and variation; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (9)
1. a pavement seepage standard set-up, is characterized in that, this device comprises infiltration container (10), monitor (30), timer (40) and controller (50), wherein:
Described monitor (30) is monitored the volume change of liquid in described infiltration container (10);
The infiltration time that described timer (40) record is corresponding with described volume change;
Described controller (50), according to described volume change and infiltration time, calculates and obtains infiltration coefficient.
2. device according to claim 1, is characterized in that, this device comprises the valve (20) that is arranged on described infiltration container (10) bottom, and described controller (50) is controlled the switching of described valve (20).
3. device according to claim 1, is characterized in that, described monitor (30) comprises high speed imaging camera, and described high speed imaging camera adopts Digital Image Processing and mode identification technology to monitor described volume change.
4. a pavement seepage coefficient metering method, is applied to the metering that pavement seepage instrument carries out infiltration coefficient, and this pavement seepage instrument mainly includes infiltration container, monitor, timer and controller; It is characterized in that, the method comprises:
The volume change of the liquid in containers that seeps water described in described monitor monitors;
The infiltration time that described timer record is corresponding with described volume change;
Described controller, according to described volume change and infiltration time, calculates and obtains described infiltration coefficient.
5. method according to claim 4, is characterized in that, the volume change of the liquid in containers that seeps water described in described monitor monitors, comprising:
When described monitor monitors arrives default scale to the liquid in described infiltration container, produce scale signal and send to described controller.
6. method according to claim 5, is characterized in that, the infiltration time that described timer record is corresponding with described volume change, comprising:
Described controller produces control signal according to described scale signal and sends to described timer;
Described timer carries out timing according to described control signal, and sends to described controller using the recorded time as the described infiltration time.
7. method according to claim 4, is characterized in that, the volume change of the liquid in containers that seeps water described in described monitor monitors, comprising:
The control signal monitoring that described monitor sends according to described controller obtains described volume change.
8. method according to claim 7, is characterized in that, the infiltration time that described timer record is corresponding with described volume change, comprising:
The control signal that described timer sends according to described controller records the described infiltration time.
9. method according to claim 7, is characterized in that:
Described controller is received after the clocking information of described timer transmission, to described monitor, is sent described control signal.
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| CN108414413A (en) * | 2017-12-06 | 2018-08-17 | 江西省高速公路投资集团有限责任公司 | A kind of porous asphalt pavement water permeability on-site detecting device and detection method |
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| CN105651664A (en) * | 2014-11-18 | 2016-06-08 | 交通运输部公路科学研究所 | A method for automatically measuring a pavement water permeability coefficient and a device therefor |
| CN105467153A (en) * | 2015-12-31 | 2016-04-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for measuring seepage velocity of dam body and measuring cup used in method |
| CN106198347A (en) * | 2016-07-11 | 2016-12-07 | 重庆大学 | Rock seepage rate Auto-Test System and method of testing |
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| CN106596367A (en) * | 2016-11-07 | 2017-04-26 | 陕西煤业化工技术研究院有限责任公司 | Pressure-adjustable and timing-free device for testing permeability of constant head and method |
| CN108414413A (en) * | 2017-12-06 | 2018-08-17 | 江西省高速公路投资集团有限责任公司 | A kind of porous asphalt pavement water permeability on-site detecting device and detection method |
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| CN109342295A (en) * | 2018-11-28 | 2019-02-15 | 东南大学 | A kind of asphalt paving permeance property evaluation method based on wind-structure interaction |
| CN109342295B (en) * | 2018-11-28 | 2021-05-11 | 东南大学 | Permeable asphalt pavement permeability evaluation method based on fluid-solid coupling analysis |
| CN113030085A (en) * | 2021-02-26 | 2021-06-25 | 深圳先进电子材料国际创新研究院 | Test system and method for monitoring curing volume shrinkage of resin composite material |
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