JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (4): 92-97.

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Techniques for snow-melting and deiced based on  microwave and magnet coupling effect

GUO De-dong1,2, SHA Ai-min3   

  1. 1.School of Civil Engineering, Shandong Jiaotong University, Jinan 250300, China;
    2. Key Laboratory of Pavement Structure and Material of Shandong Province, Jinan 250300, China;
    3. School of Highway, Chang’an University, Xi’an 710064, China
  • Received:2012-02-03 Online:2012-08-20 Published:2012-02-03

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Abstract:

In order to improve the microwave deicing efficiency of clearing the ice on the road rapidly, the deicing technology of asphalt pavement based on microwave and magnet coupling effect was studied by tests. First, the technological property of magnetite aggregate and magnetite asphalt concrete were tested. Second, the microwave-heated tests were put forth to analyze the heated efficiency of conventional and magnetite aggregates. Finally, the microwave deicing efficiency of asphalt concrete was studied by the laboratory tests. The results showed the technological property of magnetite asphalt concrete could meet the requirements according to specification. The microwaveheated efficiency of magnetite aggregates was about 20 times of conventional aggregates. The microwave deicing efficiency of magnetite asphalt concrete was about 10-20 times of conventional asphalt concrete.

Key words: road engineering, microwave deicing, magnetite asphalt concrete, heated efficiency, deicing efficiency, microwave-absorbing coefficient

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