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利用陶瓷废料的沥青混合料路用性能及隔热性能

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Keywords: 道路工程,陶瓷沥青混合料,路用性能试验,室内光照辐射试验,隔热性能

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Abstract:

将陶瓷集料等体积替代SMA-13的粗集料(替代率分别为10%,20%,30%,40%和50%)制备陶瓷沥青混凝土;研究不同陶瓷集料掺量下的沥青混合料的路用性能,其中包括马歇尔试验研究,高温稳定性、水稳定性、低温抗裂性和抗疲劳性能研究,并与SMA-13沥青混合料进行对比;通过室内光照辐射试验测试了陶瓷沥青混合料的降温隔热效果。结果表明,陶瓷集料的掺量不宜超过40%;陶瓷沥青混合料有较好的隔热效果,能有效降低路面结构内部的温度,相对于SMA-13降温效果提高了140%~360%。

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