CN110596018B - Asphalt aging degree detection device and working method thereof - Google Patents
Asphalt aging degree detection device and working method thereof Download PDFInfo
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- CN110596018B CN110596018B CN201910993763.3A CN201910993763A CN110596018B CN 110596018 B CN110596018 B CN 110596018B CN 201910993763 A CN201910993763 A CN 201910993763A CN 110596018 B CN110596018 B CN 110596018B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 230000032683 aging Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000523 sample Substances 0.000 claims abstract description 58
- 238000001228 spectrum Methods 0.000 claims abstract description 44
- 238000001035 drying Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims 5
- 238000006731 degradation reaction Methods 0.000 claims 5
- 230000001105 regulatory effect Effects 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to an asphalt aging degree detection device and a working method thereof, the device comprises a box body, a light source device, a spectrum detection assembly, a drying device and a control computer, wherein a measuring chamber is arranged at the inner lower part of the box body, a plurality of LED light sources of the light source device are arranged on the inner peripheral wall of the measuring chamber, an asphalt placing clamping groove is arranged at the bottom of the measuring chamber, a probe fixing plate is arranged at the upper part of the measuring chamber, a probe of the spectrum detection assembly is arranged on the probe fixing plate, spectrum detection equipment of the spectrum detection assembly is electrically connected with the control computer, and the drying device is arranged at the inner upper part of the box body. The device and the working method thereof are not only beneficial to accurately and reliably detecting the aging degree of asphalt, but also simple in structure, easy to operate and good in using effect.
Description
Technical Field
The invention relates to the technical field of asphalt aging detection, in particular to an asphalt aging degree detection device and a working method thereof.
Background
Asphalt pavement is widely applied to road engineering at present. However, in practical application, it can be observed that after the asphalt pavement is in service for a period of time, the asphalt material is aged, the asphalt pavement is whitened, and the asphalt pavement has larger chromatic aberration compared with the unaged asphalt pavement. The phenomenon of whitening of asphalt pavement is described in many documents, but the using function of the asphalt pavement completely covers the beautiful function of the asphalt pavement, so that the problem of whitening of the asphalt pavement is not paid attention. With the improvement of the social life level and the wide use of asphalt pavement in urban roads, the problem of urban aesthetic deterioration caused by the whitening of asphalt pavement is gradually focused. Asphalt blushing is analyzed as a change in asphalt composition caused by aging of asphalt, thereby affecting the color exhibited by asphalt. The change in the composition of the asphalt material causes a change in the spectrum of the asphalt, resulting in a change in the color seen by the observer, and the greater the change in the composition of the material, the greater the change in color. The degree of aging of asphalt can thus be evaluated by the degree of difference in the change in color of asphalt. However, no relevant device for judging the aging degree of asphalt according to the color change of asphalt is found.
Disclosure of Invention
The invention aims to provide an asphalt aging degree detection device and a working method thereof, which are not only beneficial to accurately and reliably detecting the aging degree of asphalt, but also simple in structure, easy to operate and good in using effect.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an asphalt ageing degree detection device, includes box, light source device, spectrum detection subassembly, drying device and control computer, the lower part has a measuring chamber in the box, a plurality of LED light sources of light source device are arranged on measuring chamber's inner peripheral wall, be equipped with pitch placement card groove on measuring chamber's the bottom, measuring chamber upper portion is equipped with the probe fixed plate, the probe of spectrum detection subassembly is installed on the probe fixed plate, the spectrum detection equipment and the control electromechanics of spectrum detection subassembly are connected, drying device locates upper portion in the box.
Further, the box includes the base, locates the frame construction on the base and locates the detachable baffle on the frame construction lateral surface, base, frame construction, locate the detachable baffle and the probe fixed plate on the frame construction side all around enclose and keep off and form the measuring chamber, pitch standing groove is located on the base.
Further, the probe fixing plate is arranged in parallel with the base and is in sliding connection with the frame structure, so that the probe fixing plate can move up and down relative to the base, and the distance between the probe and the measured object is adjusted.
Further, the light source device comprises a plurality of LED light sources, an adjusting switch, a power supply and connecting wires, wherein the LED light sources, the adjusting switch and the power supply are connected in series through the connecting wires so as to supply power to the LED light sources through the power supply, and the LED light sources are adjusted through the adjusting switch.
Further, the spectrum detection assembly comprises a probe, a spectrum detection device, a reference whiteboard and a reference blackboard, wherein the probe is connected with the spectrum detection device through an optical fiber.
Further, the drying device comprises a fine mesh bag and drying particles, wherein the drying particles are filled in the fine mesh bag and fixed at the upper part in the box body through the fine mesh bag.
Further, a temperature and humidity sensor and a temperature and humidity monitoring terminal are also arranged, the temperature and humidity sensor is arranged at the upper part of the measuring chamber, and the temperature and humidity sensor is connected with the temperature and humidity monitoring terminal to detect the temperature and humidity in the measuring chamber and transmit the temperature and humidity to the temperature and humidity monitoring terminal for processing, storing and displaying.
Further, the bottom of the box body is provided with a plurality of foot spirals with adjustable height, and the box body is provided with a round level.
Further, the dominant wavelength of the LED light source is 430nm, the wavelength range is 300nm-1400nm, and the wavelength range of the spectrum detection device is 300-2500nm.
The invention also provides a working method of the asphalt aging degree detection device according to any one of claims 1-9, which comprises the following steps:
step S1: adjusting the device level;
step S2: mounting a probe of the spectrum detection assembly on a probe fixing plate;
step S3: weighing hot asphalt with different ageing degrees and set quality, placing the hot asphalt into a sample container, and cooling to room temperature;
step S4: the drying device is installed, a temperature and humidity sensor is used for detecting the humidity in a measuring chamber of the box body, and when the humidity is not higher than a set threshold value, the LED light source is started;
step S5: starting the spectrum detection equipment and a control computer, and controlling the spectrum detection equipment through the control computer;
step S6: the detachable baffle of the box body is disassembled, the reference white board is placed on the asphalt placing clamping groove, then the detachable baffle is assembled back, and white board correction operation is carried out on the control computer; the detachable baffle is disassembled, the reference blackboard is placed on the asphalt placing clamping groove, then the detachable baffle is assembled back, and the blackboard correction operation is carried out on the control computer;
step S7: unloading the detachable baffle, placing the sample container for containing asphalt on the asphalt placing clamping groove, and loading the detachable baffle back, and performing spectrum measurement on a control computer to obtain a spectrogram;
step S8: taking out the asphalt sample container after the test, putting the asphalt sample container into the next asphalt sample container, and carrying out the test of the next asphalt sample;
step S9: and comparing the spectrum data obtained by the front and back tests to obtain asphalt aging degree data.
Compared with the prior art, the invention has the following beneficial effects: the device for detecting the asphalt aging degree based on the color change condition before and after asphalt aging and the working method thereof are provided, and the problem that an asphalt color evaluation means is lacking at present is solved. The device can provide a reliable and stable test environment for asphalt color data acquisition, ensures that the temperature, humidity and light intensity conditions of the asphalt material are consistent during measurement, greatly reduces errors of the acquired color data caused by environmental differences, and improves the evaluation accuracy. In addition, the invention has simple structure, easy operation, lower cost, small size, portability, suitability for indoor or outdoor measurement, high repeatability and good stability of the test result, and ensures that the test result is not influenced by weather environment.
Drawings
Fig. 1 is a schematic view of the structure of an apparatus according to an embodiment of the present invention.
Fig. 2 is a sectional view of fig. 1 taken along line I-I.
Fig. 3 is a sectional view of fig. 1 at II-II.
Fig. 4 is a flow chart of a method of an embodiment of the present invention.
In the figure, 1-dry particles, 2-pore mesh bags, 3-hexahedral welding frame structures, 4-temperature and humidity monitoring terminals, 5-optical fibers, 6-adjusting switches, 7-probes, 8-probe fixing plates, 9-temperature and humidity sensors, 10-LED light sources, 11-asphalt placing clamping grooves, 12-foot screws, 14-round leveling devices, 15-detachable baffle plates, 16-spectrum detection equipment, 17-control computers, 18-connecting wires, 19-boxes, 20-measuring chambers and 21-bases.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
The invention provides an asphalt aging degree detection device, which is shown in figures 1, 2 and 3, and comprises a box 19, a light source device, a spectrum detection assembly, a drying device and a control computer 17, wherein a measuring chamber 20 is arranged at the inner lower part of the box 19, a plurality of LED light sources 10 of the light source device are arranged on the inner peripheral wall of the measuring chamber 20, an asphalt placing clamping groove 11 for fixing the position and shape of a measured object is arranged at the bottom of the measuring chamber 20, a probe fixing plate 8 is arranged at the upper part of the measuring chamber 20, a probe 7 of the spectrum detection assembly is arranged on the probe fixing plate 8, a spectrum detection device 16 of the spectrum detection assembly is electrically connected with the control computer 17, and the drying device is arranged at the inner upper part of the box 19.
The box 19 includes a base 21, a hexahedral welding frame structure 3 disposed on the base 21, and a detachable baffle 15 (acrylic plate in this embodiment) disposed on an outer side surface of the frame structure, where the base 21, the frame structure 3, the detachable baffle 15 disposed on a peripheral side surface of the frame structure, and the probe fixing plate 8 enclose to form the measuring chamber 20, and the asphalt placing slot 11 is disposed on the base 21. The removable barrier is provided for convenience in controlling the condition variables.
The probe fixing plate 8 is arranged in parallel with the base 21 and is in sliding connection with the frame structure 3, so that the probe fixing plate 8 can move up and down relative to the base, and the distance between the probe and the measured object is adjusted.
The light source device comprises a plurality of LED light sources 10, an adjusting switch 6, a power supply and a connecting wire 18, wherein the LED light sources 10, the adjusting switch 6 and the power supply are connected in series through the connecting wire 18 so as to supply power to the LED light sources 10 through the power supply, and the LED light sources are switched and adjusted in brightness through the adjusting switch 6. The LED light source is a non-heating light source; the adjusting switch is used for adjusting the intensity of the light source; the power supply is a mobile power supply and is used for supplying power to the lamp group during field measurement; the connecting wire is used for connecting the LED light source to a mobile power supply or a fixed socket so as to provide the electric quantity required by the LED light source.
The spectrum detection assembly comprises a probe 7, a spectrum detection device 16, a reference whiteboard and a reference blackboard, wherein the probe 7 is connected with the spectrum detection device 16 through an optical fiber 5. In this embodiment, the dominant wavelength of the LED light source is 430nm, the wavelength range is 300nm-1400nm, and the wavelength range of the spectrum detection device is 300-2500nm.
The drying device comprises a fine mesh bag 2 and drying particles 1, wherein the drying particles 1 are filled in the fine mesh bag 2 and fixed at the upper part in the box 19 through the fine mesh bag 2. The dry particles are used for absorbing moisture in the whole device, so that the device is in a dry state, and the influence of the moisture in the air on the refraction or reflection of light on a test is reduced. In this embodiment, the fine mesh bag is a white mesh bag, the mesh size is not greater than 4mm, and the dry particles are silica gel dry particles.
The temperature and humidity sensor 9 and the temperature and humidity monitoring terminal 4 are also arranged, the temperature and humidity sensor 9 is arranged at the upper part in the measuring chamber 20, and the temperature and humidity sensor 9 is connected with the temperature and humidity monitoring terminal 4 to detect the temperature and humidity in the measuring chamber 20 and transmit the temperature and humidity to the temperature and humidity monitoring terminal 4 for processing, storing and displaying, so that the temperature and humidity in the box body can be monitored in real time, and the environmental condition is kept consistent.
In this embodiment, a plurality of height-adjustable foot spirals 12 are arranged at the bottom of the box 19, and a circular level 14 is arranged on the box 19.
The invention also provides a working method of the asphalt aging degree detection device, as shown in fig. 4, comprising the following steps:
step S1: the foot screw of the adjusting device observes the bubble in the circular level, centers it, and adjusts the device level.
Step S2: the probe of the spectrum detection assembly is mounted on a probe fixing plate.
Step S3: 50g of hot asphalt with different ageing degrees is weighed and placed in a sample container, and cooled to room temperature. In the embodiment, the asphalt placing clamping groove is 142mm in diameter, 140mm in inner diameter of the asphalt sample container, 1mm in wall thickness and 10mm in depth. The asphalt sample was 3.2mm thick.
Step S4: and (3) installing the drying device, detecting the humidity in the measuring chamber of the box body by using a temperature and humidity sensor, and starting the LED light source when the humidity is not higher than 77%.
Step S5: the spectrum detection device and the control computer are started, and the spectrum detection device is controlled by the control computer.
Step S6: the detachable baffle of the box body is disassembled, the reference white board is placed on the asphalt placing clamping groove, then the detachable baffle is assembled back, and white board correction operation is carried out on the control computer; and (3) detaching the detachable baffle, placing the reference blackboard on the asphalt placing clamping groove, then installing the detachable baffle back, and performing blackboard correction operation on the control computer.
Step S7: and (3) detaching the detachable baffle, placing the sample container for containing asphalt on the asphalt placing clamping groove, and returning the detachable baffle to perform spectrum measurement on the control computer to obtain a spectrogram.
Step S8: and taking out the asphalt sample container after the test, putting the asphalt sample container into a next asphalt sample container, and carrying out the test of the next asphalt sample.
Step S9: and comparing the spectrum data obtained by the front and back tests to obtain asphalt aging degree data.
The above is a preferred embodiment of the present invention, and all changes made according to the technical solution of the present invention belong to the protection scope of the present invention when the generated functional effects do not exceed the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an asphalt ageing degree detection device which is characterized in that, including box, light source device, spectrum detection subassembly, drying device and control computer, the lower part has a measuring chamber in the box, a plurality of LED light sources of light source device are arranged on the inner peripheral wall of measuring chamber, be equipped with pitch and place the draw-in groove on the bottom of measuring chamber, measuring chamber upper portion is equipped with the probe fixed plate, the probe of spectrum detection subassembly is installed on the probe fixed plate, the spectrum detection equipment and the control computer electrical connection of spectrum detection subassembly, drying device locates the upper portion in the box; the spectrum detection assembly comprises a probe, spectrum detection equipment, a reference white board and a reference blackboard, wherein the probe is connected with the spectrum detection equipment through optical fibers;
the working method of the asphalt aging degree detection device comprises the following steps:
step S1: adjusting the device level;
step S2: mounting a probe of the spectrum detection assembly on a probe fixing plate;
step S3: weighing hot asphalt with different ageing degrees and set quality, placing the hot asphalt into a sample container, and cooling to room temperature;
step S4: the drying device is installed, a temperature and humidity sensor is used for detecting the humidity in a measuring chamber of the box body, and when the humidity is not higher than a set threshold value, the LED light source is started;
step S5: starting the spectrum detection equipment and a control computer, and controlling the spectrum detection equipment through the control computer;
step S6: the detachable baffle of the box body is disassembled, the reference white board is placed on the asphalt placing clamping groove, then the detachable baffle is assembled back, and white board correction operation is carried out on the control computer; the detachable baffle is disassembled, the reference blackboard is placed on the asphalt placing clamping groove, then the detachable baffle is assembled back, and the blackboard correction operation is carried out on the control computer;
step S7: unloading the detachable baffle, placing the sample container for containing asphalt on the asphalt placing clamping groove, and loading the detachable baffle back, and performing spectrum measurement on a control computer to obtain a spectrogram;
step S8: taking out the asphalt sample container after the test, putting the asphalt sample container into the next asphalt sample container, and carrying out the test of the next asphalt sample;
step S9: and comparing the spectrum data obtained by the front and back tests to obtain asphalt aging degree data.
2. The asphalt degradation detection apparatus according to claim 1, wherein the housing comprises a base, a frame structure provided on the base, and a detachable baffle provided on an outer side surface of the frame structure, wherein the base, the frame structure, the detachable baffle provided on a peripheral side surface of the frame structure, and the probe fixing plate enclose to form the measuring chamber, and the asphalt placing groove is provided on the base.
3. The device for detecting the aging degree of asphalt according to claim 2, wherein the probe fixing plate is arranged in parallel with the base and is slidably connected with the frame structure, so that the probe fixing plate can move up and down relative to the base, and the distance between the probe and the object to be detected is adjusted.
4. The asphalt degradation detection apparatus according to claim 1, wherein the light source apparatus comprises a plurality of LED light sources, a regulating switch, a power supply, and connecting wires, wherein the LED light sources, the regulating switch, and the power supply are connected in series via the connecting wires to supply power to the LED light sources through the power supply, and are regulated by the regulating switch.
5. The asphalt degradation level detection apparatus according to claim 1, wherein said drying means comprises a fine mesh bag and dry particles, said dry particles being filled in the fine mesh bag and being fixed to an upper portion in the tank body via the fine mesh bag.
6. The asphalt aging degree detection device according to claim 1, further comprising a temperature and humidity sensor and a temperature and humidity monitoring terminal, wherein the temperature and humidity sensor is arranged at the upper part of the measuring chamber, and is connected with the temperature and humidity monitoring terminal to detect the temperature and humidity in the measuring chamber and transmit the temperature and humidity to the temperature and humidity monitoring terminal for processing, storing and displaying.
7. The asphalt degradation detection apparatus according to claim 1, wherein the bottom of the tank is provided with a plurality of height-adjustable foot screws, and the tank is provided with a circular level.
8. The asphalt degradation detection apparatus according to claim 1, wherein said LED light source has a dominant wavelength of 430nm and a wavelength range of 300nm to 1400nm, and said spectral detection device has a wavelength range of 300nm to 2500nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993763.3A CN110596018B (en) | 2019-10-18 | 2019-10-18 | Asphalt aging degree detection device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910993763.3A CN110596018B (en) | 2019-10-18 | 2019-10-18 | Asphalt aging degree detection device and working method thereof |
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| Publication Number | Publication Date |
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| CN110596018A CN110596018A (en) | 2019-12-20 |
| CN110596018B true CN110596018B (en) | 2024-01-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760329A (en) * | 2014-02-19 | 2014-04-30 | 重庆交通大学 | Heat, light and water coupled aging test chamber for asphalt |
| CN106124454A (en) * | 2016-06-30 | 2016-11-16 | 中国交通通信信息中心 | A kind of bituminous paving aging performance monitoring method based on remote sensing image |
| CN206146932U (en) * | 2016-09-28 | 2017-05-03 | 山西省交通科学研究院 | Pitch ageing tests device of controllable temperature light water wind |
| RU2654954C1 (en) * | 2017-02-13 | 2018-05-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Method for defining speed and intensity of aging of asphalt-concrete |
| CN108956438A (en) * | 2018-07-23 | 2018-12-07 | 长安大学 | Ultraviolet radioactive-oxygen-temperature-humidity coupling ageing of asphalt experimental rig and method |
| CN210953787U (en) * | 2019-10-18 | 2020-07-07 | 福州大学 | Asphalt aging degree detection device |
-
2019
- 2019-10-18 CN CN201910993763.3A patent/CN110596018B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760329A (en) * | 2014-02-19 | 2014-04-30 | 重庆交通大学 | Heat, light and water coupled aging test chamber for asphalt |
| CN106124454A (en) * | 2016-06-30 | 2016-11-16 | 中国交通通信信息中心 | A kind of bituminous paving aging performance monitoring method based on remote sensing image |
| CN206146932U (en) * | 2016-09-28 | 2017-05-03 | 山西省交通科学研究院 | Pitch ageing tests device of controllable temperature light water wind |
| RU2654954C1 (en) * | 2017-02-13 | 2018-05-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Method for defining speed and intensity of aging of asphalt-concrete |
| CN108956438A (en) * | 2018-07-23 | 2018-12-07 | 长安大学 | Ultraviolet radioactive-oxygen-temperature-humidity coupling ageing of asphalt experimental rig and method |
| CN210953787U (en) * | 2019-10-18 | 2020-07-07 | 福州大学 | Asphalt aging degree detection device |
Non-Patent Citations (1)
| Title |
|---|
| "沥青路面老化状况遥感监测与评估模型建立及应用";程俊毅等;《遥感技术与应用》;第956-964页 * |
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