Device system for detecting softening degree of asphalt in real time and detection method thereof

A real-time detection and asphalt technology, applied in the investigation stage/state change, etc., can solve the problems of the approximate standard curve fitting accuracy that needs to be further improved, and the large error of naked eye observation, so as to save manpower operation costs, improve detection accuracy, and improve The effect of accuracy

Pending Publication Date: 2022-04-01
无锡公正试验检测有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the invention relies on technicians to observe the drop distance of the ball on the asphalt surface in real time, the error of naked eye observation is large, and the fitting accuracy of the obtained approximate standard curve still needs to be further improved

Method used

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  • Device system for detecting softening degree of asphalt in real time and detection method thereof
  • Device system for detecting softening degree of asphalt in real time and detection method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This embodiment provides a device system for real-time detection of asphalt softening degree, such as figure 1 As shown, the device system includes a detection unit and a signal conversion unit 6 that are electrically connected to each other. The detection unit includes a box body 1 and a laser emitting device 2, a heating device 3, a laser receiving device 4 and a pressure applying device 5 arranged inside the box body 1; the pressure applying device 5 is used to apply pressure to the asphalt and Reflect the laser light to the laser receiving device 4; the signal conversion unit 6 is used to convert the electrical signal of the laser receiving device 4 into a visual signal.

[0052] In this embodiment, the inside of the box 1 is also provided with a ventilation fan ( figure 1 Not shown); The laser emitting device 2 is a ruby ​​laser, the heating device 3 is a resistance heater, the laser receiving device 4 is a semiconductor photodetector, and the pressing device 5 is...

Embodiment 2

[0054] This embodiment provides a device system for detecting the degree of softening of asphalt in real time. Except that the laser emitting device 2 is changed to a helium-neon laser, the other structures and conditions of the device system are the same as those in Embodiment 1, so details are not repeated here.

Embodiment 3

[0056] This embodiment provides a device system for real-time detection of the softening degree of asphalt. Except that the laser emitting device 2 is changed to a laser diode, the other structures and conditions of the device system are the same as those of Embodiment 1, so details are not repeated here.

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Abstract

The invention provides a device system for detecting the softening degree of asphalt in real time and a detection method thereof. The device system comprises a detection unit and a signal conversion unit which are electrically connected with each other, the detection unit comprises a box body, and a laser emitting device, a heating device, a laser receiving device and a pressure applying device which are arranged in the box body. The detection method comprises the following steps: (1) sequentially paving a sand layer and an asphalt layer in a box body, and placing a pressure applying device after asphalt is completely solidified; (2) starting a heating device and a laser emitting device, receiving an optical signal in real time by using a laser receiving device, and converting the optical signal into an electric signal; and (3) converting the electric signal of the laser receiving device into a visual signal by using a signal conversion unit. According to the method provided by the invention, the detection accuracy is improved, the manual operation cost is saved, and the method is suitable for detecting various asphalt softening degrees.

Description

technical field [0001] The invention belongs to the technical field of asphalt softening detection, relates to a device system for detecting the degree of asphalt softening, in particular to a device system for real-time detection of the degree of asphalt softening and a detection method thereof. Background technique [0002] In the field of civil engineering, asphalt is a widely used waterproof material and anti-corrosion material, mainly used for waterproofing of roof, ground and underground structures, and anti-corrosion of wood and steel. Asphalt is also a very widely used pavement structure cementing material in road engineering. It can be used to build asphalt pavement with different structures after it is matched with mineral materials of different compositions in proportion, and it is most widely used on expressways. [0003] During the use of asphalt pavement, due to the combined effect of vehicle load and climate and environmental factors for a long time, the road ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/04
Inventor 吴媛媛邹玉娟丁雷
Owner 无锡公正试验检测有限公司
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