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有机降粘剂温拌橡胶沥青的制作工序研究

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Keywords: 道路工程,温拌橡胶沥青,制作工序,试验研究,路用性能

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Abstract:

制备了符合技术要求的橡胶沥青,并对其开展了有机降粘温拌剂不同温度下的添加工序试验,最后进行了温拌橡胶沥青混合料出料的温度确定与路用性能分析。结果表明有机降粘剂在橡胶沥青制作前添不仅能使混合料施工粘度更低,而且降低了有机降粘温拌剂对橡胶沥青性能的影响,使温拌橡胶沥青柔性与低温性能提高,并可有效降低橡胶沥青的制作温度至少20℃;有机降粘剂可降低混合料出料温度至少20℃,同时大大增强橡胶沥青混合料的高温性能,混合料低温性能有一定下降但都满足技术要求,Sasobit对橡胶沥青混合料水稳定性影响不大。

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