CN110455683B - Foam asphalt viscosity measuring device and measuring method thereof - Google Patents
Foam asphalt viscosity measuring device and measuring method thereof Download PDFInfo
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- CN110455683B CN110455683B CN201910809258.9A CN201910809258A CN110455683B CN 110455683 B CN110455683 B CN 110455683B CN 201910809258 A CN201910809258 A CN 201910809258A CN 110455683 B CN110455683 B CN 110455683B
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- drainage tube
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- 239000010426 asphalt Substances 0.000 title claims abstract description 318
- 239000006260 foam Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title description 10
- 238000005303 weighing Methods 0.000 claims abstract description 58
- 238000005187 foaming Methods 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 230000006698 induction Effects 0.000 claims description 24
- 238000000691 measurement method Methods 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/06—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by timing the outflow of a known quantity
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- Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The foam asphalt viscosity measuring device comprises a foam asphalt flow measuring system, an asphalt flow measuring system and a PLC controller, wherein the foam asphalt flow measuring system comprises an asphalt foaming device, a foam asphalt drainage tube, a foam asphalt container and a weighing cup I, the asphalt foaming device is connected with the foam asphalt container through the foam asphalt drainage tube, the bottom of the foam asphalt container is connected with an asphalt pipeline I, the weighing cup I is arranged below the asphalt pipeline I, and an electric stop valve I is arranged on the asphalt pipeline I; the asphalt flow metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the asphalt pipeline II, and an electric stop valve II is arranged on the asphalt pipeline II. The measuring device is continuously carried out in the effective period of the existence of the foamed asphalt form, so that the accuracy of the foamed asphalt measurement is ensured.
Description
Technical Field
The invention relates to the technical field of pavement asphalt materials, in particular to a foam asphalt viscosity measuring device and a measuring method thereof.
Background
Viscosity is an index for evaluating rheological properties of asphalt, and viscosity of asphalt affects workability of asphalt mixture to a large extent. Currently, there are many methods for measuring the viscosity of asphalt, for example, measurement by a viscometer. However, because asphalt foaming is a physical change of asphalt, foamed asphalt obtained after foaming has timeliness, and the existing asphalt viscosity measurement method is difficult to complete experiments in the asphalt foaming period.
The Chinese patent application publication No. CN 106338595A discloses an asphalt foaming parameter measurement system, which comprises a liquid level sensing part, a distance monitoring device and a control unit. The measuring system further comprises at least one of a temperature sensor, a humidity sensor and a viscosity sensor which are arranged in the asphalt to be measured, wherein the sensors can penetrate into a container for containing the asphalt to be measured in an inserting mode, and can be fixed on the inner wall of the container. This direct use of a viscosity sensor to measure the viscosity of foamed asphalt inside a container has mainly the following drawbacks: 1. the foam asphalt mainly exists in the form of asphalt in water, and the structure of the foam asphalt is easily destroyed when the viscosity sensor is contacted with the foam asphalt, so that the measured data is not the true viscosity of the foam asphalt; 2. the measurement of standard bitumen viscosity is measured in a flowing state, and therefore, the bitumen viscosity value measured inside the container is not the standard viscosity; 3. because of the high viscosity of asphalt, the asphalt is easy to adhere to a viscosity sensor, so that the subsequent repeated measurement error is large. To this end, we provide a new foamed asphalt measuring device and measuring method thereof.
Disclosure of Invention
The invention provides a foam asphalt viscosity measuring device and a measuring method thereof, which mainly aim to overcome the defects that the result obtained by the existing measurement by adopting a viscosity sensor is not the true viscosity of foam asphalt, is not the standard viscosity of asphalt, has large measuring error and the like.
The invention adopts the following technical scheme:
the foam asphalt viscosity measurement device comprises a foam asphalt flow measurement system, an asphalt flow measurement system and a PLC controller, wherein the foam asphalt flow measurement system comprises an asphalt foaming device, a foam asphalt drainage tube, a foam asphalt container and a weighing cup I, the asphalt foaming device is connected with the foam asphalt container through the foam asphalt drainage tube, the bottom of the foam asphalt container is connected with an asphalt pipeline I, the weighing cup I is arranged below the tail end of the asphalt pipeline I, an electric stop valve I is arranged on the asphalt pipeline I, and an electronic induction scale I is arranged on the weighing cup I; the asphalt flow metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the tail end of the asphalt pipeline II, an electric stop valve II is arranged on the asphalt pipeline II, and an electronic induction scale II is arranged on the weighing cup II; the PLC controller is respectively and electrically connected with the first electric stop valve and the second electric stop valve, and the PLC controller is also respectively connected with the first electronic induction scale and the second electronic induction scale.
Further, a first flow sensor is arranged in the foam asphalt container, a second flow sensor is arranged in the asphalt container, and the first flow sensor and the second flow sensor are respectively connected with the PLC.
Further, a first electromagnetic valve is arranged in the foam asphalt drainage tube, a second electromagnetic valve is arranged in the asphalt drainage tube, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC.
Further, the foam asphalt viscosity measuring device also comprises a box body, wherein the box body is divided into an upper box body, a middle box body and a lower box body from top to bottom, the upper box body is internally provided with the asphalt foaming device and the asphalt containing device, and the bottoms of the asphalt foaming device and the asphalt containing device are respectively connected with the foam asphalt drainage tube and the asphalt drainage tube; the middle box body is internally provided with a constant temperature device, the foam asphalt container and the asphalt container are arranged in the constant temperature device, and the lower ends of the foam asphalt drainage tube and the asphalt drainage tube penetrate through the bottom of the upper box body and are respectively connected with the foam asphalt container and the asphalt container; the lower box body is internally provided with a weighing cup I and a weighing cup II, the bottoms of the weighing cup I and the weighing cup II are respectively and correspondingly provided with an electronic induction balance I and an electronic induction balance II, an asphalt pipeline I and an asphalt pipeline II are respectively arranged above the weighing cup I and the weighing cup II, and the upper parts of the asphalt pipeline I and the asphalt pipeline II penetrate through the bottom of the middle box body and are respectively connected with the bottom of the foam asphalt container and the bottom of the asphalt container.
Further, a transparent acrylic plate is arranged on the front end face of the box body, and an access door is arranged on the rear end face of the box body.
Further, the first weighing cup and the second weighing cup are made of copper alloy, and have the same specification and model.
The invention also discloses a foam asphalt viscosity measuring method, which adopts the foam asphalt viscosity measuring device and comprises the following steps:
(1) Selecting a corresponding control system in the PLC according to the experimental category of asphalt viscosity measurement, and inputting asphalt viscosity eta 2 "," flow "and" time "parameters;
(2) The asphalt foaming device and the asphalt containing device are operated simultaneously, wherein foam asphalt in the asphalt foaming device flows into a foam asphalt container through a foam asphalt drainage tube, and asphalt in the asphalt containing device flows into the asphalt container through the asphalt drainage tube;
(3) When the flow in the foam asphalt container and the asphalt container reaches the set flow, stopping foaming by the asphalt foaming device, and automatically closing the foam asphalt drainage tube and the asphalt drainage tube;
(4) The first electric stop valve and the second electric stop valve are simultaneously opened, foamed asphalt flows to the first weighing cup through the first asphalt pipeline, and asphalt flows to the second weighing cup through the second asphalt pipeline;
(5) When the set time of the PLC is reached, the first electric stop valve and the second electric stop valve are closed simultaneously, and the first electronic induction scale and the second electronic induction scale respectively read the weights of the first weighing cup and the second weighing cup, namely the weight w of the foamed asphalt 1 And asphalt weight w 2 And w is to 1 、w 2 Transmitting the data to a PLC controller;
(6) The PLC controller automatically calculates the viscosity eta of the foam asphalt 1 。
Repeating the steps (3) to (6) for three times, and taking eta of the three times 1 Average value of (2).
Further, the above eta 1 =k T *η 2 *（w 1 /w 2 ) Wherein k is T Is the linear coefficient of foamed asphalt to asphalt at temperature T.
Further, the control system is any one of an asphalt standard viscosity system, an asphalt kinematic viscosity system and an asphalt dynamic viscosity system.
As can be seen from the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the measuring device, by utilizing the characteristic that the ratio between the viscosity of the foamed asphalt and the viscosity of the asphalt and the ratio of the weight of the foamed asphalt flowing out of a pipeline in the same time have a linear relationship, a foamed asphalt flow metering system, an asphalt flow metering system and a PLC (programmable logic controller) are set, the foamed asphalt and the asphalt are controlled to flow into a first weighing cup and a second weighing cup respectively in the same time, the weight of the foamed asphalt and the weight of the asphalt are obtained by the first electronic induction scale and the second electronic induction scale respectively in a metering mode, and then the foamed asphalt is transmitted to the PLC to automatically obtain the viscosity of the foamed asphalt. The measuring device enables the foamed asphalt and the asphalt to be measured in a flowing state, and the measurement is continuously carried out in the effective period when the form of the foamed asphalt exists, so that the viscosity of the foamed asphalt is obtained by measurement, and the accuracy of the measurement of the foamed asphalt is ensured.
2. The PLC controller of the invention is respectively provided with a plurality of different control systems, and an operator can select according to the experimental types of asphalt viscosity measurement so as to obtain the foam asphalt viscosity of a required unit.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
FIG. 3 is a flow chart of the measurement method of the present invention.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details. Well-known components, methods and procedures are not described in detail.
A foamed asphalt viscosity measuring device, referring to fig. 1, comprises a box 1, a foamed asphalt flow metering system, an asphalt flow metering system and a PLC controller 4. The box body is divided into an upper box body 11, a middle box body 12 and a lower box body 13 from top to bottom, and an upper cover 111 is arranged at the top of the upper box body 11. The foamed asphalt flow metering system comprises an asphalt foaming device 21, a foamed asphalt drainage tube 22, a foamed asphalt container 23 and a weighing cup I24, and comprises an asphalt containing device 31, an asphalt drainage tube 32, an asphalt container 33 and a weighing cup II 34.
Referring to fig. 1, the asphalt foaming device 21 and the asphalt containing device 31 are arranged in the upper box 11, the bottoms of the asphalt foaming device 21 and the asphalt containing device 31 are respectively connected with the foam asphalt drainage tube 22 and the asphalt drainage tube 32, and a bottom plate of the upper box 11 is provided with a reaming hole, so that the foam asphalt drainage tube 22 and the asphalt drainage tube 32 can be conveniently and rapidly disassembled. The middle box body 12 is internally provided with a constant temperature device 14, a first container fixing plate 141 and a second container fixing plate 142 are arranged at the bottom of the constant temperature device 14, the foam asphalt container 23 and the asphalt container 33 are respectively correspondingly arranged on the first container fixing plate 141 and the second container fixing plate 142, and the constant temperature device 14 can ensure that the foam asphalt and the asphalt are carried out under the same experimental environment. The lower ends of the foamed asphalt drain pipe 22 and the asphalt drain pipe 32 pass through the bottom of the upper case 11 and are connected to the foamed asphalt container 23 and the asphalt container 33, respectively. The foam asphalt drainage tube 22 is internally provided with a first electromagnetic valve (inside the foam asphalt drainage tube, not shown in the figure), the asphalt drainage tube 32 is internally provided with a second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are both connected with the PLC 4 so as to conveniently control the opening and closing of the foam asphalt drainage tube 22 and the asphalt drainage tube 32.
Referring to fig. 1, the foamed asphalt container 23 is provided with a first flow sensor, the asphalt container 33 is provided with a second flow sensor, and the first flow sensor and the second flow sensor are conventional flow sensors, which are provided in two containers, and are not specifically shown in the drawings, but do not affect the implementation of the present invention. The first flow sensor and the second flow sensor are respectively connected with the PLC 4 so as to control the weight of the foamed asphalt flowing into the foamed asphalt container from the foamed asphalt drainage pipe and the weight of the asphalt flowing into the asphalt container from the asphalt drainage pipe, so that the foamed asphalt container and the asphalt container have enough weight to flow into the corresponding weighing cup I24 and the weighing cup II 34 in a set time.
Referring to fig. 1, a weighing cup one 24 and a weighing cup two 34 are arranged in the lower box 13, the weighing cup one 24 and the weighing cup two 34 are made of copper alloy, and the specification and the model are the same. The bottoms of the weighing cup I24 and the weighing cup II 34 are respectively and correspondingly provided with an electronic induction balance I25 and an electronic induction balance II 35, the upper parts of the weighing cup I24 and the weighing cup II 34 are respectively provided with an asphalt pipeline I26 and an asphalt pipeline II 36, the asphalt pipeline I26 is provided with an electric stop valve I27, the asphalt pipeline II 36 is provided with an electric stop valve II 37, and the upper parts of the asphalt pipeline I26 and the asphalt pipeline II 36 penetrate through the bottom of the middle box body 12 and are respectively connected with the bottoms of the foam asphalt container 23 and the asphalt container 22. The first electric stop valve 27, the second electric stop valve 37, the first electronic induction scale 25 and the second electronic induction scale 35 are all connected with the PLC controller 4, wherein the first electric stop valve 27 and the second electric stop valve 37 are synchronously opened and closed under the control of the PLC controller 4, and the synchronism of asphalt flow errors is ensured.
Referring to fig. 2, a transparent acrylic plate is provided on the front end surface of the case 1, so that the case is convenient to operate and check. The rear end face of the box body 1 is provided with an access door 15, which is convenient for maintenance and taking out and putting in the container.
Referring to fig. 3, the measuring method of the foamed asphalt viscosity measuring apparatus of the present invention includes the steps of:
(1) Selecting a corresponding control system in the PLC according to the experimental category of asphalt viscosity measurement, and inputting asphalt viscosity eta 2 "," flow "and" time "parameters, bitumen viscosity η 2 Is tested in advance.
(2) The asphalt foaming device and the asphalt containing device are operated simultaneously, wherein foam asphalt in the asphalt foaming device flows into a foam asphalt container through a foam asphalt drainage tube, and asphalt in the asphalt containing device flows into the asphalt container through the asphalt drainage tube;
(3) When the flow in the foam asphalt container and the asphalt container reaches the set flow, stopping foaming by the asphalt foaming device, and automatically closing the foam asphalt drainage tube and the asphalt drainage tube;
(4) The first electric stop valve and the second electric stop valve are simultaneously opened, foamed asphalt flows to the first weighing cup through the first asphalt pipeline, and asphalt flows to the second weighing cup through the second asphalt pipeline;
(5) When the set time of the PLC is reached, the first electric stop valve and the second electric stop valve are closed simultaneously, and the first electronic induction scale and the second electronic induction scale respectively read the weights of the first weighing cup and the second weighing cup, namely the weight w of the foamed asphalt 1 And asphalt weight w 2 And w is to 1 、w 2 Transmitting the data to a PLC controller;
(6) According to eta 1 =k T *η 2 *（w 1 /w 2 ) Wherein k is T In order to obtain linear coefficient of foamed asphalt and asphalt at temperature T, the coefficient is known number, and the PLC can automatically calculate viscosity eta of foamed asphalt 1 。
Repeating the steps (3) to (6) for three times, and taking eta of the three times 1 Average value of (2).
The control system is any one of an asphalt standard viscosity system, an asphalt kinematic viscosity system and an asphalt dynamic viscosity system so as to meet the requirements of different types of experiments.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a foam asphalt viscosity measurement device which characterized in that: the foam asphalt flow metering system comprises an asphalt foaming device, a foam asphalt drainage tube, a foam asphalt container and a weighing cup I, wherein the asphalt foaming device is connected with the foam asphalt container through the foam asphalt drainage tube, the bottom of the foam asphalt container is connected with an asphalt pipeline I, the weighing cup I is arranged below the tail end of the asphalt pipeline I, an electric stop valve I is arranged on the asphalt pipeline I, and an electronic induction scale I is arranged on the weighing cup I; the asphalt flow metering system comprises an asphalt containing device, an asphalt drainage tube, an asphalt container and a weighing cup II, wherein the asphalt containing device is connected with the asphalt container through the asphalt drainage tube, the bottom of the asphalt container is connected with an asphalt pipeline II, the weighing cup II is arranged below the tail end of the asphalt pipeline II, an electric stop valve II is arranged on the asphalt pipeline II, and an electronic induction scale II is arranged on the weighing cup II; the PLC controller is respectively and electrically connected with the first electric stop valve and the second electric stop valve, and the PLC controller is also respectively connected with the first electronic induction scale and the second electronic induction scale.
2. A foamed asphalt viscosity measuring apparatus according to claim 1, wherein: the foam asphalt container is internally provided with a first flow sensor, the asphalt container is internally provided with a second flow sensor, and the first flow sensor and the second flow sensor are respectively connected with the PLC.
3. A foamed asphalt viscosity measuring apparatus according to claim 1, wherein: the foam asphalt drainage tube is internally provided with a first electromagnetic valve, the asphalt drainage tube is internally provided with a second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the PLC.
4. A foamed asphalt viscosity measuring apparatus according to claim 1, wherein: the asphalt foaming device is arranged in the upper box body, and the bottoms of the asphalt foaming device and the asphalt containing device are respectively connected with the foam asphalt drainage tube and the asphalt drainage tube; the middle box body is internally provided with a constant temperature device, the foam asphalt container and the asphalt container are arranged in the constant temperature device, and the lower ends of the foam asphalt drainage tube and the asphalt drainage tube penetrate through the bottom of the upper box body and are respectively connected with the foam asphalt container and the asphalt container; the lower box body is internally provided with a weighing cup I and a weighing cup II, the bottoms of the weighing cup I and the weighing cup II are respectively and correspondingly provided with an electronic induction balance I and an electronic induction balance II, an asphalt pipeline I and an asphalt pipeline II are respectively arranged above the weighing cup I and the weighing cup II, and the upper parts of the asphalt pipeline I and the asphalt pipeline II penetrate through the bottom of the middle box body and are respectively connected with the bottom of the foam asphalt container and the bottom of the asphalt container.
5. A foamed asphalt viscosity measuring apparatus according to claim 4, wherein: the front end face of the box body is provided with a transparent acrylic plate, and the rear end face of the box body is provided with an access door.
6. A foamed asphalt viscosity measuring apparatus according to claim 1, wherein: the weighing cup I and the weighing cup II are made of copper alloy, and have the same specification and model.
7. A foam asphalt viscosity measurement method is characterized in that: use of a foamed asphalt viscosity measuring apparatus according to claim 1, comprising the steps of:
(1) Selecting a corresponding control system in the PLC according to the experimental category of asphalt viscosity measurement, and inputting asphalt viscosity eta 2 "," flow "and" time "parameters;
(2) The asphalt foaming device and the asphalt containing device are operated simultaneously, wherein foam asphalt in the asphalt foaming device flows into a foam asphalt container through a foam asphalt drainage tube, and asphalt in the asphalt containing device flows into the asphalt container through the asphalt drainage tube;
(3) When the flow in the foam asphalt container and the asphalt container reaches the set flow, stopping foaming by the asphalt foaming device, and automatically closing the foam asphalt drainage tube and the asphalt drainage tube;
(4) The first electric stop valve and the second electric stop valve are simultaneously opened, foamed asphalt flows to the first weighing cup through the first asphalt pipeline, and asphalt flows to the second weighing cup through the second asphalt pipeline;
(5) The time set by the PLC is reached, and the electric stop valve I are electrically operatedThe stop valve II is closed at the same time, and the electronic induction balance I and the electronic induction balance II respectively read the weight of the weighing cup I and the weighing cup II, namely the weight w of the foamed asphalt 1 And asphalt weight w 2 And w is to 1 、w 2 Transmitting the data to a PLC controller;
(6) The PLC controller automatically calculates the viscosity eta of the foam asphalt 1 。
8. A foamed asphalt viscosity measurement method according to claim 7, wherein: repeating the steps (3) to (6) for three times, and taking eta of the three times 1 Average value of (2).
9. A foamed asphalt viscosity measurement method according to claim 7, wherein: the eta is 1 =k T *η 2 *（w 1 /w 2 ) Wherein k is T Is the linear coefficient of foamed asphalt to asphalt at temperature T.
10. A foamed asphalt viscosity measurement method according to claim 7, wherein: the control system is any one of an asphalt standard viscosity system, an asphalt kinematic viscosity system and an asphalt dynamic viscosity system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809258.9A CN110455683B (en) | 2019-08-29 | 2019-08-29 | Foam asphalt viscosity measuring device and measuring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809258.9A CN110455683B (en) | 2019-08-29 | 2019-08-29 | Foam asphalt viscosity measuring device and measuring method thereof |
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| CN110455683A CN110455683A (en) | 2019-11-15 |
| CN110455683B true CN110455683B (en) | 2024-03-29 |
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| CN113607933A (en) * | 2021-07-27 | 2021-11-05 | 烟台市公路事业发展中心 | Foamed asphalt foaming performance testing system and method |
| CN113758832B (en) * | 2021-08-18 | 2022-04-26 | 中国水利水电科学研究院 | Device and method for measuring rheological parameters of asphalt slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179682A (en) * | 2018-03-01 | 2018-06-19 | 福建铁拓机械有限公司 | The pitch on-line proving device and method of continuous asphalt mixing plant |
| WO2019006482A1 (en) * | 2017-07-03 | 2019-01-10 | Technische Universität Wien | Device and method for inspecting the flexibility of sealing layers bound by bitumen |
| CN208780587U (en) * | 2018-08-27 | 2019-04-23 | 苏交科集团股份有限公司 | A kind of asphalt material device for measuring viscosity |
| CN210742052U (en) * | 2019-08-29 | 2020-06-12 | 福建省铁拓机械股份有限公司 | Foamed asphalt viscosity measuring device |
-
2019
- 2019-08-29 CN CN201910809258.9A patent/CN110455683B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019006482A1 (en) * | 2017-07-03 | 2019-01-10 | Technische Universität Wien | Device and method for inspecting the flexibility of sealing layers bound by bitumen |
| CN108179682A (en) * | 2018-03-01 | 2018-06-19 | 福建铁拓机械有限公司 | The pitch on-line proving device and method of continuous asphalt mixing plant |
| CN208780587U (en) * | 2018-08-27 | 2019-04-23 | 苏交科集团股份有限公司 | A kind of asphalt material device for measuring viscosity |
| CN210742052U (en) * | 2019-08-29 | 2020-06-12 | 福建省铁拓机械股份有限公司 | Foamed asphalt viscosity measuring device |
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Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Applicant after: Fujian tietuo Machinery Co.,Ltd. Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Applicant before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
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