CN113607933A - Foamed asphalt foaming performance testing system and method - Google Patents
Foamed asphalt foaming performance testing system and method Download PDFInfo
- Publication number
- CN113607933A CN113607933A CN202110850661.3A CN202110850661A CN113607933A CN 113607933 A CN113607933 A CN 113607933A CN 202110850661 A CN202110850661 A CN 202110850661A CN 113607933 A CN113607933 A CN 113607933A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- foamed asphalt
- image
- foamed
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 141
- 238000005187 foaming Methods 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 40
- 239000006260 foam Substances 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 1
- 238000011056 performance test Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010972 statistical evaluation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/42—Road-making materials
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a foamed asphalt foaming performance testing system and a method, belonging to the technical field of material detection design. The system can timely and accurately record data in the foaming and collapsing processes of the foamed asphalt and perform data processing on the foamed asphalt image; the flowing quality of the foamed asphalt after the half-life period is reached truly reflects the viscosity characteristic of the foamed asphalt.
Description
Technical Field
The invention belongs to the technical field of material detection, and particularly relates to a foamed asphalt foaming performance testing system and method.
Background
The foaming performance of the asphalt directly influences the distribution uniformity of the foamed asphalt in the mixture, the pavement performance and the construction workability of the mixture. At present, the foaming performance of foamed asphalt is generally characterized by expansion rate and half-life period. Expansion Ratio ER (ER) is the Ratio of the maximum volume of the foamed expanded asphalt to the volume of the original asphalt and is a volume parameter reflecting the foaming performance of the asphalt; the Half-Life HL (Half Life) is the time for the foamed asphalt to decay from the maximum volume to Half of the volume, and reflects the stability parameter of the foamed asphalt. The larger the expansion ratio ER of the asphalt is and the longer the half-life period HL of the asphalt is, the better the mixing workability of the foamed asphalt mixture is.
The inventors have found that the following disadvantages exist with the current bitumen foaming process:
(1) the relevant data is obtained through manual observation and combination of a caliper and a stopwatch measuring instrument, the method has large human error and low measuring precision, and the foaming performance of the asphalt cannot be accurately judged; the traditional test process can not quickly and continuously acquire the data of the foaming and collapsing processes of the asphalt and can not fully explore and deeply research the foaming performance and related mechanisms of the asphalt from the process data; the traditional test process can not process the data of the foam on the surface of the asphalt and judge the foaming quality of the foamed asphalt.
(2) The asphalt is processed in a foaming mode, and the viscosity of the asphalt is reduced, so that the warm mixing or cold mixing effect is realized, and the asphalt has better fluidity and lower viscosity at lower temperature. However, foamed asphalt generally decays and returns to a state close to that of unfoamed asphalt in less than one minute after foaming. Therefore, the viscosity characteristics cannot be measured immediately, and the foaming effect of the foamed asphalt can not be judged. However, the viscosity reduction effect of the foamed asphalt is indirectly represented by the expansion rate, the size and the distribution of the foam, and the viscosity characteristic of the foamed asphalt cannot be truly represented.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a system and a method for testing the foaming performance of foamed asphalt.
The embodiment of the invention provides a foamed asphalt foaming performance testing system which comprises a testing barrel body with an open top and a fixing piece arranged above the testing barrel body, wherein an image collector and a distance measurer are arranged on the fixing piece, a liquid outlet is formed in the bottom of the testing barrel body, a blocking plate is arranged at the liquid outlet and can move at the bottom of the testing barrel body to open and close the liquid outlet, a liquid storage barrel is arranged at the bottom of the testing barrel body, and the liquid storage barrel is arranged below the liquid outlet.
Furthermore, a lifting frame is arranged on one side of the test barrel body, and the fixing part is installed on the lifting frame and can move in the vertical direction.
Further, the crane is a tripod, the fixing piece is arranged at the top of the tripod, and the fixing piece can move in the horizontal direction.
Furthermore, the fixing piece is a cross rod, a fixing hole is formed in the top of the tripod, the cross rod penetrates through the fixing hole, and the image collector and the distance collector are arranged at the end portion of the cross rod.
Further, be equipped with the controller on the mounting, image collector and distance collector all are connected with the controller, and the driving piece is connected to the closure plate, the controller is connected with the driving piece to through the removal of driving piece control closure plate.
Further, the driving piece is an electromagnetic relay.
Further, the test barrel body is fixed on the support, a through hole coaxial with the liquid outlet is formed in the support, and the liquid storage barrel is arranged at the top of the through hole.
Furthermore, one side of the test barrel body is provided with asphalt foaming equipment, and the asphalt foaming equipment is provided with a high-speed nozzle.
The embodiment of the invention provides a testing method of a foamed asphalt foaming performance testing system based on the above, which comprises the following steps: placing the prepared foamed asphalt into a test barrel, collecting and recording the real-time height h of the foaming and collapsing process of asphalt foam through a distance collectortThe image collector takes a photo of the foamed asphalt at intervals of set time;
the height data h are transmitted by a distance collectortLeading into a computer to obtain an initial height h0And a real-time height htThe difference Δ h in turn determines the expansion ratio ER and the half-life; identifying asphalt foam in the acquired image by the image acquired by the image acquisition device through image processing software, and determining the area and the diameter of the foam;
when the foamed asphalt decays to half of the maximum expansion rate, the movable blocking plate is separated from the liquid outlet at the bottom of the sample barrel to open the sample barrel, the liquid storage barrel is used for containing the asphalt flowing out within the set time, and the quality of the flowing-out asphalt is weighed so as to represent the viscosity of the foamed asphalt.
Further, the process of identifying asphalt foam in the image by the image processing software is as follows:
acquiring an image and determining the pixel size of the photo;
filtering and contrast enhancing treatment are carried out on the obtained image median
The invention has the following beneficial effects:
the foamed asphalt foaming performance testing system provided by the invention abandons the method that the traditional calibration device is observed by naked eyes and the spraying and attenuation volumes of foamed asphalt are roughly calculated, the prepared foamed asphalt is placed in the sample barrel, and the time when the volumes of the sprayed foamed asphalt and the foamed asphalt decay are half is directly measured by the laser range finder at the top, so that the calculation of the expansion rate and the half-life period of the foamed asphalt is more accurate; the image collector is used for collecting and processing the image of the foamed asphalt, so that the foaming characteristic of the foamed asphalt can be seen more visually; simultaneously when treating that the foam pitch decay is half the biggest to the expansion rate the liquid outlet through removing the closure plate with sample barrel head opens the liquid storage bucket that flows in, measures the fixed time and flows out pitch liquid quality in order to characterize pitch viscosity, has overcome the foam decay behind the pitch foaming fast like this, can't survey the drawback of its viscosity.
Drawings
Fig. 1 is a schematic structural diagram of a device for testing foaming performance of foamed asphalt according to an embodiment of the present invention.
In the figure: 1. a tripod; 2. a cross bar; 3. a holder; 4. a laser range finder; 5. a camera support; 6. a camera; 7. a test barrel; 8. a test bucket support; 9. a blocking plate; 10. a liquid storage barrel; 11. an electromagnetic relay; 12. a controller; 13. and a liquid outlet.
Detailed Description
As shown in fig. 1, the embodiment of the present disclosure provides a foamed asphalt foaming performance detection system, which mainly includes a testing barrel 7, a liquid storage barrel 10, and a cross bar 2 disposed at the bottom of the testing barrel 7, wherein the top of the testing barrel 7 is open, the testing barrel 7 is used for placing prepared foamed asphalt therein, an end of the cross bar 2 is right at the top of the testing barrel 7, and a laser range finder 4 and a camera 6 are mounted on an end of the cross bar 2, and the laser range finder 4 can be used for measuring height data of the foamed asphalt placed in the testing barrel 7 during foaming and collapsing processes, so as to obtain an expansion rate and a half-life of the foamed asphalt; the asphalt foam in the test bucket 7 was photographed by the camera 6 to obtain a diameter distribution and a diameter mean value of the asphalt foam.
Further, the bottom of experimental bucket 7 in this embodiment is equipped with stock solution bucket 10, and the bottom of experimental bucket 7 is equipped with liquid outlet 13 simultaneously be equipped with a closure plate 9 on the liquid outlet 13, can realize opening and closing of liquid outlet 13 through removing closure plate 9.
The foamed asphalt foaming performance detection system provided by the embodiment of the invention abandons the method of observing the traditional calibration device by naked eyes and roughly calculating the sprayed and attenuated volumes of the foamed asphalt, and adopts the laser range finder 4 to directly measure the time when the volumes of the sprayed foamed asphalt and the foamed asphalt decay for half, so that the calculation of the expansion rate and the half-life period of the foamed asphalt is more accurate; the image of the foamed asphalt is collected and processed by the camera 6, so that the foaming characteristic of the foamed asphalt can be more visually seen; the quality of the liquid asphalt flowing out in a fixed time is used for representing the viscosity of the asphalt, and the defects that the foam is quickly attenuated after the asphalt is foamed and the viscosity of the asphalt cannot be measured are overcome.
The distance measuring device in the present invention is not limited to the laser range finder in the present embodiment, but may be an electronic device for measuring distance, such as an ultrasonic range finder and an infrared range finder, and the image acquiring device in the present invention is not limited to the camera in the present embodiment, and may be a video camera.
In order to facilitate placing the prepared asphalt into the testing barrel 7, an asphalt foaming device is further arranged on one side of the testing barrel 7 in the embodiment, and a high-speed nozzle is arranged on the asphalt foaming device, so that the prepared foamed asphalt can be sprayed into the testing barrel 7 through the high-speed nozzle after the asphalt is prepared by the asphalt foaming device.
As shown in figure 1, a tripod 1 is arranged on one side of the test barrel 7 in the embodiment, a sleeve and a cross rod 2 are arranged on the top of the sleeve, and the cross rod 2 is inserted into the sleeve to realize the fixation of the cross rod 2, wherein the sleeve is horizontally arranged on the top of the tripod 1.
The cross bar 2 is slidably connected to the sleeve, i.e. the cross bar 2 can slide in the sleeve, so that the position of the end of the cross bar can be adjusted according to the position of the top opening of the test bucket 7.
The diameter that the circle is enclosed to three spinal branch vaulting poles of tripod 1 in this embodiment can change, and the height of tripod is that can change promptly, and when the position of horizontal pole 2 tip was high partially, can adjust the height of tripod 1 through the angle between the three spinal branch vaulting poles on the adjustment tripod 1.
Of course, in other embodiments, the tripod 1 may be replaced with other lifting frames, for example, a lifting base is provided on the bottom surface, a lifting frame is mounted on the lifting base, a screw transmission system or a chain transmission system is provided on the lifting base to control the lifting motion of the lifting frame, and the cross bar 2 may be fixed on the lifting frame.
Also, the shape of the fixing member for fixing the laser range finder 4 or the camera 6 in the present invention is not limited to the cross bar or the rod-shaped body in the present embodiment, but may be a frame structure.
Further, the tip of horizontal pole 2 is equipped with a cloud platform 3 in this embodiment, cloud platform 3 can carry out 360 ascending rotations in the tip of horizontal pole, laser range finder 4 is fixed on cloud platform 3, can adjust laser range finder 4's laser irradiation position through rotating cloud platform 3, can guarantee that the laser of laser range finder 4 transmission can vertically squeeze into the bottom surface of sample bucket 7, records foamed asphalt's initial height.
The camera 6 is arranged on the cross bar 2, and when the camera 6 is installed, the lens of the camera is ensured to be aligned with the foamed asphalt surface.
Preferably, the camera 6 in this embodiment can be mounted on the cross bar 2 through the camera support 5, and the camera support 5 can be horizontally slidably fixed on the cross bar 2.
As shown in fig. 1, the test barrel 7 in this embodiment is placed on a test barrel support 8, a liquid storage barrel 10 is further disposed at the bottom of the test barrel support 8, the middle of the test barrel support 8 is hollow or is provided with a liquid outlet, and the liquid outlet is coaxial with a liquid outlet 13 at the bottom of the test barrel. The closure plate 9 of experimental bucket 7 bottom in this embodiment is removable, when closure plate 9 docks with the liquid outlet relatively, can plug up the liquid outlet, when with the liquid outlet phase separation, can open or plug up the liquid outlet.
Further, the detection system provided by this embodiment further includes a controller 12, the controller 12 is respectively connected to the laser range finder 4 and the camera 6, meanwhile, the controller 12 is further connected to the blocking plate 9 at the bottom of the sample barrel 7 through an electromagnetic relay 11, the electromagnetic relay 11 is further connected to the blocking plate 9, so that the controller 12 controls the electromagnetic relay 11 to control the movement of the blocking plate,
of course, in other embodiments, the electromagnetic relay 11 may also be replaced by another type of driving member, such as a telescopic cylinder or an oil cylinder, where a telescopic rod of the telescopic cylinder or the oil cylinder is connected to the blocking plate, and the movement of the blocking plate may be controlled by the telescopic motion of the telescopic rod, so as to further realize the closing and opening of the liquid outlet.
Finally, it should be noted that the system for detecting foaming performance of foamed asphalt provided in this embodiment further includes a computer, the computer is respectively connected to the laser range finder, the camera and the controller, and the computer can respectively control the operations of the laser range finder and the camera, and at the same time, when the vertical Image measured by the laser range finder and the Image acquired by the camera can be displayed on the screen of the computer, the images can be conveniently observed by an operator, and Image pro plus Image processing software is provided on the computer, and the acquired Image can be processed by the Image processing software.
The following describes in detail a detection method based on the above detection system for foamed asphalt foaming performance, which comprises the following steps:
step 1, fixing a tripod 1 beside foaming equipment, fixing a cross rod 2 on the tripod 1, fixing a tripod head 3 at the other end of the cross rod 2, and connecting the tripod head 3 with a laser range finder; after camera support 5 is fixed on holder 3, camera 6 is fixed on camera support 5, and through adjusting the length of cross rod 2 and holder 3, camera 6 lens is guaranteed to be always aligned with the surface of foamed asphalt and the laser emitted by laser range finder can be vertically driven intoThe bottom surface of the sample barrel 7 is recorded with the initial height h0。
And 2, preparing foamed asphalt by adopting special asphalt foaming equipment (such as Viter root WLB 10S). After the foamed asphalt is sprayed into the test barrel 7 through the nozzle, the volume of the foamed asphalt is rapidly expanded and then collapsed, and the height data h of the asphalt foaming and collapsing process is acquired and recorded through the high-precision and whole-process implementation of the laser range finder 4 on the cross rod 2tThe camera takes one picture of the foamed asphalt every 0.5 second interval.
Step 3, importing the height data into a computer, and calculating the initial height h0And a real-time height htAnd then drawing a curve of the delta h along with the change of the time t.
Step 4, directly reading the maximum height h of asphalt foaming through a t-delta h height curvemaxMaximum height hmaxHeight h of asphalt in non-foamed statev(500g of Pitch hv0.84cm) is determined as the expansion ratio ER.
Step 5, reading the maximum height h of asphalt foaming through a t-delta h height curvemaxCorresponding time t1Collapse of foamed asphalt to hmax/2 corresponds to time t2(ii) a Time from maximum height collapse to half height Δ t ═ t2-t1I.e. the half-life of the foamed asphalt.
And 6, importing the foamed asphalt picture into a computer, and carrying out image processing through image pro plus software on the computer, wherein the image processing method mainly comprises the steps of carrying out median filtering and contrast enhancement image enhancement on the image, identifying asphalt foam in the image through gray value difference, and then obtaining the area and the diameter of the foam.
The image processing comprises the following specific steps:
1) an image is acquired and the photo pixel size is determined. And according to the distance between the acquired picture and the camera, the image size is converted by combining the image pixels.
2) And carrying out image median filtering and contrast enhancement processing. Since the light problem can not be partially distinguished from the area of the asphalt foam and can not be accurately identified, the partial area is generally discarded in the foam size analysis.
3) And identifying and counting foams. And identifying and counting the asphalt foam in the area which can be counted and identified.
4) And (5) counting the area, the maximum radius and the minimum radius of the asphalt bubbles. And counting the finished area, the maximum diameter and the minimum diameter of the foam in the effective area.
5) According to the statistical result, converting the area into the equivalent radius of an equal-area circle, taking the equivalent radius as the equivalent radius of the foamed asphalt, and averaging; and taking the average value of the minimum radius and the maximum radius and the distribution condition of different size ranges of the distribution as the statistical evaluation of foaming.
Because the foaming effect of the foamed asphalt does not depend on the expansion rate and half-life period of the foam, the distribution and size of the foam size of the foamed asphalt bubbles are very important influencing factors under the condition of the same expansion rate and half-life period. Therefore, the method can objectively and accurately evaluate the foaming characteristics of the foamed asphalt.
And 7, calculating the average value of the foam diameters and counting the distribution number of the diameters of 0-10mm, 10-20mm, 20-30mm, 30-40mm, 40-50mm and 50-60mm so as to more visually see the foaming performance of the asphalt and finish the evaluation of the foaming characteristic of the asphalt.
And 8, synchronously controlling an electromagnetic relay 11 to drive a blocking plate 9 to move to be separated from a liquid outlet 13 at the bottom of a sample barrel 7 by a controller 12 when the foamed asphalt is attenuated to half of the maximum expansion rate (half-life time is reached), opening the blocking plate, closing the blocking plate immediately after opening ten seconds, containing asphalt flowing out within the ten seconds by a liquid storage barrel 10, weighing the mass of the flowing asphalt, and using the mass as another detection index of the foaming effect of the foamed asphalt to represent the viscosity of the foamed asphalt.
To verify the correlation of the mass of the outgoing asphalt with the viscosity of the asphalt, an outgoing test was simulated to determine the correlation of the mass of the outgoing asphalt with the viscosity of the asphalt at 135 ℃.
TABLE 1 results of simulated asphalt outflow (10s) test and 135 ℃ viscosity test for various asphalts
The data show that the fitting correlation between the asphalt outflow quality and the viscosity is more than 0.9, which shows that the asphalt outflow quality and the viscosity have higher correlation, and different asphalt at different temperatures have higher correlation, so that the asphalt outflow quality can be used as a viscosity characterization index when the foamed asphalt is foamed.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a foam asphalt foaming performance test system, its characterized in that is open experimental staving and sets up the mounting in experimental staving top including the top, is equipped with image collector and distance measurement ware on the mounting, and the bottom of experimental staving is equipped with the liquid outlet department is equipped with the closure plate, and the closure plate can remove in the bottom of experimental staving and realize opening and closing of liquid outlet, and the bottom of experimental staving is equipped with the stock solution bucket, and the stock solution bucket setting is in the below of liquid outlet.
2. The system for testing foaming performance of foamed asphalt according to claim 1, wherein a lifting frame is provided at one side of the testing barrel body, and the fixing member is mounted on the lifting frame and can move in a vertical direction.
3. The foamed asphalt foaming performance testing system of claim 2, wherein the lifting frame is a tripod, and the fixing member is arranged at the top of the tripod and can move in the horizontal direction.
4. The foamed asphalt foaming performance testing system of claim 3, wherein the fixing member is a cross bar, the top of the tripod is provided with a fixing hole, the cross bar passes through the fixing hole, and the image collector and the distance collector are arranged at the end part of the cross bar.
5. The system for testing foaming performance of foamed asphalt according to claim 1, wherein the fixing member is provided with a controller, the image collector and the distance collector are connected with the controller, the blocking plate is connected with the driving member, and the controller is connected with the driving member and controls the movement of the blocking plate through the driving member.
6. The system for testing foaming performance of foamed asphalt according to claim 5, wherein the driving member is an electromagnetic relay.
7. The foamed asphalt foaming performance testing system of claim 5, wherein the testing barrel body is fixed on a support, a through hole coaxial with the liquid outlet is formed in the support, and the liquid storage barrel is arranged at the top of the through hole.
8. The system for testing foaming performance of foamed asphalt according to claim 1, wherein an asphalt foaming device is provided at one side of the testing barrel body, and a high-speed nozzle is provided on the asphalt foaming device.
9. The testing method of the foamed asphalt foaming performance testing system based on the claims 1-8, characterized in that,
placing the prepared foamed asphalt into a test barrel, collecting and recording the real-time height h of the foaming and collapsing process of asphalt foam through a distance collectortThe image collector takes a photo of the foamed asphalt at intervals of set time;
the height data h are transmitted by a distance collectortLeading into a computer to obtain an initial height h0And a real-time height htThe difference Δ h in turn determines the expansion ratio ER and the half-life; identifying asphalt foam in the acquired image by the image acquired by the image acquisition device through image processing software, and determining the area and the diameter of the foam;
when the foamed asphalt decays to half of the maximum expansion rate, the movable blocking plate is separated from the liquid outlet at the bottom of the sample barrel to open the sample barrel, the liquid storage barrel is used for containing the foamed asphalt flowing out within a set time, and the quality of the flowing-out foamed asphalt is weighed so as to represent the viscosity of the foamed asphalt.
10. The test method of claim 9, wherein the image processing software identifies foamed bitumen in the image by:
acquiring an image and determining the pixel size of the photo;
and performing median filtering and contrast enhancement processing on the acquired image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850661.3A CN113607933A (en) | 2021-07-27 | 2021-07-27 | Foamed asphalt foaming performance testing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850661.3A CN113607933A (en) | 2021-07-27 | 2021-07-27 | Foamed asphalt foaming performance testing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113607933A true CN113607933A (en) | 2021-11-05 |
Family
ID=78338425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110850661.3A Pending CN113607933A (en) | 2021-07-27 | 2021-07-27 | Foamed asphalt foaming performance testing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113607933A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338595A (en) * | 2016-08-30 | 2017-01-18 | 徐工集团工程机械有限公司 | Asphalt foaming parameter measurement method and system |
| CN109655459A (en) * | 2019-01-09 | 2019-04-19 | 南京林业大学 | A kind of test macro and method of asphalt foaming performance |
| CN110132792A (en) * | 2019-05-24 | 2019-08-16 | 广州大学 | A kind of device and method measuring road surface pitch injection flow rate |
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
| CN210119447U (en) * | 2019-06-18 | 2020-02-28 | 福建铁拓机械有限公司 | Automatic acquisition equipment for asphalt foaming effect evaluation indexes |
| CN212275604U (en) * | 2020-05-11 | 2021-01-01 | 山西省交通科技研发有限公司 | Foamed asphalt foaming performance detection device based on laser ranging technology |
| CN214622189U (en) * | 2021-03-22 | 2021-11-05 | 陕西中盛建设科技服务有限公司 | Asphalt viscosity detection device |
-
2021
- 2021-07-27 CN CN202110850661.3A patent/CN113607933A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338595A (en) * | 2016-08-30 | 2017-01-18 | 徐工集团工程机械有限公司 | Asphalt foaming parameter measurement method and system |
| CN109655459A (en) * | 2019-01-09 | 2019-04-19 | 南京林业大学 | A kind of test macro and method of asphalt foaming performance |
| CN110132792A (en) * | 2019-05-24 | 2019-08-16 | 广州大学 | A kind of device and method measuring road surface pitch injection flow rate |
| CN210119447U (en) * | 2019-06-18 | 2020-02-28 | 福建铁拓机械有限公司 | Automatic acquisition equipment for asphalt foaming effect evaluation indexes |
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
| CN212275604U (en) * | 2020-05-11 | 2021-01-01 | 山西省交通科技研发有限公司 | Foamed asphalt foaming performance detection device based on laser ranging technology |
| CN214622189U (en) * | 2021-03-22 | 2021-11-05 | 陕西中盛建设科技服务有限公司 | Asphalt viscosity detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7693322B2 (en) | Foam assessment | |
| US7639862B2 (en) | Method and apparatus for quantifying pigment dispersion quality by paint drawdown | |
| CN107607298A (en) | The performance measurement method and its detection device of a kind of optical lens | |
| CN107463789A (en) | A kind of integrated medical display self-checking device and its calibration method | |
| CN102589705A (en) | Single-blackbody temperature-controlled MRTD (Minimum Resolvable Temperature Difference) field online automatic detection device and method for thermal imager | |
| CN107884388A (en) | A kind of micro-Raman spectroscopy and its application method of fast automatic focusing | |
| CN110057290B (en) | Image acquisition device for geometric parameters of specific color development area of concrete test block and measurement method thereof | |
| CN115235948A (en) | Liquid viscosity measurement system based on computer vision identification | |
| CN113607933A (en) | Foamed asphalt foaming performance testing system and method | |
| CN210269631U (en) | Portable snowfall particle form observation device | |
| CN112461846B (en) | Workpiece defect detection method and device | |
| CN112263804A (en) | Standing long jump physical measurement equipment based on machine vision | |
| CN210383880U (en) | Multidimensional depth perception test experimental device | |
| CN114877974B (en) | Automatic liquid level setting method, device and equipment of measuring glass measuring device | |
| CN209470986U (en) | A kind of bitumen ductility instrument based on video auxiliary | |
| CN204390574U (en) | Based on the spectrometer of CCD imaging | |
| CN106984785B (en) | A method of it is imaged or is taken a picture to monitor liquid fluctuating in crystallizer with 3D | |
| CN209878768U (en) | A test device for road surface hydrophobic property | |
| CN210612107U (en) | Depth perception test experimental device | |
| CN113776795B (en) | Rack system for accurately measuring sound quality of automobile door lock and measuring method | |
| CN205593493U (en) | Camera lens divided beams photoelectricity angle measurement device | |
| CN108332795A (en) | A kind of high-precision diamond wire on-line monitoring device and its monitoring method | |
| CN109030523A (en) | Novel micro- CT scan positioning device | |
| CN109444150A (en) | Contactless crackle measurement method and its device | |
| CN109061228A (en) | A kind of caliberating device of PIV equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |