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频率对微波加热沥青混合料的影响

, PP. 32-36

Keywords: 道路工程,频率,微波加热,沥青混合料

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Abstract:

针对微波加热技术在沥青路面养护中的应用,对比研究了5.8GHz与2.45GHz2种频率微波加热沥青混合料的效率及深度,并对5.8GHz与2.45GHz频率微波加热沥青混合料的路用性能进行了研究。结果表明较高频率能有效提高沥青混合料微波加热的效率,加热深度得到大幅减小;2.45GHz频率微波加热对沥青混合料路用性能无明显不良影响,5.8GHz频率微波加热沥青混合料除抗水损害性能增强外,高温稳定性及低温抗裂性能均有所下降;沥青路面养护中微波加热频率以5.8GHz为宜。

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