CN209894639U - Asphalt and aggregate adhesiveness detection device - Google Patents
Asphalt and aggregate adhesiveness detection device Download PDFInfo
- Publication number
- CN209894639U CN209894639U CN201822155964.XU CN201822155964U CN209894639U CN 209894639 U CN209894639 U CN 209894639U CN 201822155964 U CN201822155964 U CN 201822155964U CN 209894639 U CN209894639 U CN 209894639U
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- Prior art keywords
- aggregate
- asphalt
- water bath
- fan
- movable support
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- 239000010426 asphalt Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Working-Up Tar And Pitch (AREA)
Abstract
The utility model discloses a pitch and adhesiveness detection device that gathers materials, include: (1) the constant-temperature water bath box comprises a water tank, a heater and a temperature sensor, wherein a movable support is arranged at the top of the box body, and a detachable material collecting tray is hung on the top of the box body; (2) a drying oven is blown, a heating device is arranged at the bottom of the oven body, a fan is arranged on the side surface of the oven body, and moisture on the surface of the aggregate after water bath is dried; (3) the weighing platform is arranged at the lower part of the blowing oven and is used for weighing the aggregate before and after the water bath; (4) the control system comprises a temperature controller and a fan rotation controller, the temperature controller is connected with the constant-temperature water bath tank and the heating device, and the fan rotation controller is connected with the fan. The device is used for weighing the aggregate weight before and after the water bath, and the peeling rate of the asphalt and the aggregate is calculated, so that the adhesion between the asphalt and the aggregate is quantitatively and accurately analyzed. The utility model has the advantages of simple structure, strong operability, accurate objective assessment of asphalt and aggregate adhesiveness, and is suitable for popularization.
Description
Technical Field
The utility model relates to a used check out test set among the road construction engineering, especially a pitch and adhesion testing arrangement that gathers materials.
Background
Asphalt pavements are widely used and are the main pavement form of high-grade highways. The asphalt pavement is easy to have diseases such as loosening, stripping, pot holes and the like in use, and the service performance of the pavement is reduced. Therefore, the adhesion of asphalt to aggregate is an important indicator in the selection and design of materials for asphalt pavement, and this directly affects the water stability of asphalt mixture. For the evaluation of the adhesion performance of asphalt and aggregate, the existing specification in China mainly adopts a boiling method, namely, the quality of the adhesion performance of the aggregate adhered with the asphalt is judged by visual inspection according to the peeling condition of the asphalt after the aggregate adhered with the asphalt is boiled with water.
However, in the adhesion test specification of asphalt and coarse aggregate, a special test instrument for the experiment is not unified, the experiment is inconvenient due to the lack of a special test device, and errors exist in the test result due to the operation mode of laboratory personnel, the wrapping degree of the asphalt and the coarse aggregate and the boiling degree in water; meanwhile, the determination of the adhesion grade is judged by visual inspection of experiential testing personnel, the test result is greatly influenced by subjective factors, and the adhesion cannot be objectively and quantitatively judged.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at the above-mentioned defect of prior art, provide a special adhesiveness test device and carry out quantitative pitch and the adhesiveness testing arrangement that gathers materials to the adhesiveness of pitch and coarse aggregate.
The technical scheme is as follows: in order to achieve the purpose, the device for testing the adhesiveness of the asphalt and the aggregates comprises a constant-temperature water bath box, a blowing oven, hooks, an aggregate tray, a weighing table and a control system, wherein the movable support is fixed in the constant-temperature water bath box, the aggregate tray is detachably arranged on the movable support, the weighing table is arranged below the blowing oven, the blowing oven comprises a box body, a fan and a heating device, the heating device is arranged at the bottom of the box body, the fan is arranged on one side of the box body, the control system comprises a temperature controller and a fan controller, the temperature controller is connected with the constant-temperature water bath box and the heating device, and the fan controller is connected with the fan.
Further, the constant temperature water bath box includes water tank, heater, couple and movable support, and the heater is fixed in the water tank bottom and is connected with temperature controller, movable support sets up at the water tank top, and the couple is connected on movable support, the tray that gathers materials is through couple and movable support connection.
In order to eliminate measurement error and improve detection precision, the device further comprises an asphalt cleaning brush, wherein the asphalt cleaning brush is movably arranged in the constant-temperature water bath box, and the height of the asphalt cleaning brush is equivalent to the height of the water level in the constant-temperature water bath box.
Preferably, the aggregate tray is a porous tray.
Furthermore, the weighing platform comprises an electronic scale and a bearing tray matched with the electronic scale.
Furthermore, the fan consists of a multi-blade centrifugal fan and a circulating air duct and is controlled by a fan rotation controller.
Furthermore, the constant-temperature water bath box is made of stainless steel materials.
Has the advantages that: the method can quantitatively and accurately analyze the adhesion of the asphalt and the aggregate, eliminate errors caused by lack of a test device and human subjective factors, and detect the adhesion performance of the asphalt to the aggregate in different degrees; the test result is reliable, the peeling rate of the asphalt and the aggregate can be accurately measured, and a powerful experimental basis is provided for researching the peeling resistance of the asphalt; the testing device is simple in structure, convenient to realize and suitable for popularization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The core of the utility model is a standardized asphalt and aggregate adhesiveness detection device, which is combined with the accompanying drawings below to further explain the utility model.
As shown in figure 1, the utility model discloses a pitch and adhesiveness detection device that gathers materials mainly comprises constant temperature water bath 1, the tray 8 that gathers materials, movable support 7, the blowing oven 3, the platform 4 and the control system of weighing, and the tray 4 that wherein gathers materials is many empty trays. The constant-temperature water bath box 1 and the blowing oven 2 are arranged in parallel, and switching is performed when an experiment is convenient to perform.
Constant temperature water bath 1 includes water tank, pitch cleaning brush 6 and heater 5, and wherein the water tank is for adopting stainless steel material, can automatic supply with the water level of stabilizing work water tank, and the water tank bottom is equipped with heater 5, is equipped with mobilizable pitch cleaning brush 6 in the water tank, and the height of pitch cleaning brush 6 highly matches with the surface of water in the water tank, and the water tank top is equipped with movable support 7, connects the couple on the support, and the tray 8 that gathers materials is connected on the support through couple detachable.
The blowing oven comprises a box body, a heating device 9, a hook 11 and a fan 10, wherein the heating device 9 is arranged at the bottom of the box body, the hook 11 is fixed at the top in the box body, the fan 10 is arranged on one side of the box body, and the fan 10 consists of a multi-blade centrifugal fan and a circulating air duct.
A weighing platform 4 is arranged below the blowing oven 3, and the weighing platform 4 consists of an electronic scale and a bearing tray matched with the electronic scale. The device also comprises a control system, the control system is divided into a temperature controller 13 and a blower controller 12, the temperature controller 13 is respectively connected with the heater 5 of the constant temperature water bath box and the heating device 9 of the drying oven, the internal temperatures of the constant temperature water bath box 1 and the drying oven 3 are respectively controlled, the two temperatures are not interfered with each other, the blower controller 12 is connected with the blower 10 of the drying oven 3, and the switch operation of the blower 10 is controlled.
The utility model discloses a concrete operation process does:
(1) selecting 5 regular aggregates with the particle size of 13.2 ~ 19mm and the shape close to a cube, cleaning the aggregates with clean water, placing the aggregates in an oven with the temperature of 105 +/-0 ℃ for drying, tying the aggregates in the middle part one by one with a thin line, and placing the aggregates in the oven with the temperature of 105 +/-0 ℃ for 1 h.
(2) The heated mineral aggregate particles were individually picked up in line, immersed in preheated bitumen (petroleum asphalt 130 ~ 150 ℃) for 45 seconds, and then gently removed so that the aggregate particles were completely covered with the bitumen film.
(3) The collected materials are hung, and a piece of paper is padded under the bag to let the excessive asphalt flow out and cooled at room temperature for 15 min. After the aggregate particles are cooled, the aggregate is placed in an aggregate tray 8 and put on a weighing platform 4 to weigh the mass m of the aggregate before water bath1。
(4) Fixing the collecting tray 8 containing the aggregates on a hook in the constant-temperature water bath tank 1, adjusting the temperature of water in the constant-temperature water bath tank 1 through a temperature controller 13 to keep the temperature of the water bath tank constant at 100 ℃, adjusting the position of the movable support 7, and placing the collecting tray 8 in the constant-temperature water bath tank 1 for boiling for 3 min. And meanwhile, the asphalt cleaning brush 6 is controlled to move, and asphalt oil stains on the water surface are continuously removed.
(5) Taking out the aggregate tray 8, hanging the aggregate tray on a hook 11 in the blowing oven 3, adjusting a temperature controller 13 and a fan controller 12, drying the aggregate in the aggregate tray 8, putting the aggregate tray into a weighing platform, and weighing the mass m of the dried aggregate after water bath and drying2Obtaining the aggregate mass difference value and the asphalt loss value m before and after the water bath1-m2。
(6) According to the loss value m of the asphalt before and after the water bath1-m2The adhesion performance of the asphalt and the aggregate is obtained.
Claims (7)
1. The utility model provides a pitch and adhesiveness detection device that gathers materials which characterized in that: including constant temperature water bath (1), blowing oven (3), couple (11), collection tray (8), movable support (7), weighing platform (4) and control system, movable support (7) set up in constant temperature water bath (1), collection tray (8) detachable sets up on movable support (7), weighing platform (4) set up in blowing oven (3) below, blowing oven (3) are including box, fan (10) and heating device (9), heating device (9) set up in the bottom half, and box one side is equipped with fan (10), control system includes temperature controller (13) and fan controller (12), temperature controller (13) are connected with constant temperature water bath (1) and heating device (9), fan controller (12) are connected with fan (10).
2. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: constant temperature water bath (1) includes water tank, heater (5), couple and movable support (7), heater (5) are fixed in the water tank bottom and are linked to each other with temperature controller (13), movable support (7) set up at the water tank top, and the couple is connected on movable support (7), gather materials tray (8) and be connected with movable support (7) through the couple.
3. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: still include pitch cleaning brush (6), the mobilizable setting of pitch cleaning brush (6) is in thermostatted water bath (1), the height of pitch cleaning brush (6) is equivalent with the water level height in thermostatted water bath (1).
4. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: the aggregate tray (8) is a porous tray.
5. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: the weighing platform (4) comprises an electronic scale and a bearing tray matched with the electronic scale.
6. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: the fan (10) consists of a multi-blade centrifugal fan and a circulating air duct and is controlled by a fan rotation controller.
7. The adhesion of asphalt to aggregate testing apparatus according to claim 1, wherein: the constant-temperature water bath box (1) is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155964.XU CN209894639U (en) | 2018-12-21 | 2018-12-21 | Asphalt and aggregate adhesiveness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155964.XU CN209894639U (en) | 2018-12-21 | 2018-12-21 | Asphalt and aggregate adhesiveness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894639U true CN209894639U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155964.XU Expired - Fee Related CN209894639U (en) | 2018-12-21 | 2018-12-21 | Asphalt and aggregate adhesiveness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175187A (en) * | 2020-01-21 | 2020-05-19 | 湖北工程学院 | Method for evaluating adhesiveness of asphalt mortar and aggregate |
| CN113441193A (en) * | 2021-08-16 | 2021-09-28 | 常州国华电器有限公司 | Many function combination formula experimental apparatus |
-
2018
- 2018-12-21 CN CN201822155964.XU patent/CN209894639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175187A (en) * | 2020-01-21 | 2020-05-19 | 湖北工程学院 | Method for evaluating adhesiveness of asphalt mortar and aggregate |
| CN113441193A (en) * | 2021-08-16 | 2021-09-28 | 常州国华电器有限公司 | Many function combination formula experimental apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |