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Intelligent hot repair process of asphalt road surface by microwave heating

A technology of asphalt pavement and microwave heating, which is applied in road repair, roads, roads, etc. It can solve the problems of low energy utilization rate, small flexibility, and difficult heating control, so as to improve the utilization rate of materials and increase the absorption of microwave energy. capacity, the effect of improving energy efficiency

Inactive Publication Date: 2006-05-24
SOUTHEAST UNIV
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Problems solved by technology

[0005] Technical problem: The purpose of this invention is to solve the shortcomings of low energy utilization rate, low flexibility, and difficult heating control existing in repairing asphalt pavement defects by using microwave heating technology, and to provide an intelligent thermal repair for asphalt pavement heated by microwaves This process provides a heat repair process that determines the heating time according to the ambient temperature and the size of the disease, and determines the heating area of ​​the heating plate and the asphalt mixture to be filled according to the size of the disease, thereby improving energy efficiency, increasing flexibility and easy heating control

Method used

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  • Intelligent hot repair process of asphalt road surface by microwave heating
  • Intelligent hot repair process of asphalt road surface by microwave heating
  • Intelligent hot repair process of asphalt road surface by microwave heating

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] Combined with Figure 1, the intelligent thermal repair process based on microwave heating, including the temperature measurement and feedback process a of the disease to be repaired, the detection and feedback process b of the disease state to be repaired, determines the heating area of ​​the heating plate, the heating time and the quality of the asphalt mixture to be filled Process c, spraying atomized emulsified asphalt process d, filling asphalt mixture and intermittent or scanning heating and control of the disease to be repaired process e, spraying asphalt rejuvenator process f for the disease to be repaired, filling hot asphalt mixture and mixing the disease to be repaired process g , compacting and flattening the asphalt mixture process h to be repaired, taking images of the repaired pavement and giving feedback to process i.

[0029] The temperature meas...

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Abstract

Microwave heating based intelligent asphalt road paving thermal repairing technology contains 1, damage state detection and feedback process, 2, intelligent determining heating area, time asphalt material quality, 3, spraying atomized emulsified asphalt, 4, scanning and controlling filled asphalt, 5, spraying asphalt regenerant, 6, filling asphalt and stirring asphalt material, 7, compacting filled asphalt material, 8, taking photo of repaired road paving and feedback process.

Description

technical field [0001] The invention relates to a thermal repair process for asphalt pavement defects, in particular to an intelligent thermal repair process based on microwave heating. Background technique [0002] At present, for the daily maintenance repair of asphalt pavement, the traditional cold repair method is generally used for maintenance, that is, the old asphalt pavement after cutting is filled with a well-mixed hot asphalt mixture and then rolled and formed. This construction method has high labor intensity, low efficiency and high maintenance cost, and due to the existence of hot and cold joint problems, the service life of the repaired pavement is not long. At present, it is more popular to use far-infrared heating technology to carry out on-site thermal regeneration of asphalt pavement. However, the difficulty of on-site thermal regeneration of asphalt pavement is that the asphalt begins to soften when it is heated to more than 100 degrees Celsius. After a ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/06
Inventor 史金飞朱松青王鸿翔胡正飞
Owner SOUTHEAST UNIV
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