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-  2018 

废机油再生剂对高旧料含量再生沥青混合料性能的影响 Effect of waste oil rejuvenator on high content reclaimed asphalt pavement hot recycling asphalt performance

Keywords: 道路工程,废机油再生剂,高含量RAP,热再生沥青混合料

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Abstract:

再生剂和废旧沥青路面材料(RAP)掺量是影响再生沥青混合料性能的关键因素.基于沥青混合料性能指标,通过实验设计确定废机油再生剂的最佳用量.采用Superpave沥青混合料设计方法对新拌沥青混合料、掺加40%RAP热再生沥青混合料、掺加40%RAP及掺废机油再生剂热再生沥青混合料的综合性能进行实验研究.分析表明:废机油再生剂的加入使旧沥青路面材料中老化沥青的粘弹性得到恢复,水敏感性降低;以废机油为主的再生剂能够实现RAP材料部分性能的再生,还可以使其保持较好的高温稳定性,对高旧料含量再生沥青混合料的低温抗裂性也有一定的提升

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