青川岩沥青在道路工程中的应用研究

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本文重点分析了青川岩沥青在道路工程中应用的技术要点,通过岩改性沥青的性能试验以及岩改性沥青混合料的路用性能试验,探究岩沥青的掺量对基质沥青及混合料性能的影响,得出岩沥青的掺量不宜超过7.5%。通过对岩改性沥青拌合工艺的研究,确定其适宜的控制参数。通过试验发现岩改性沥青混凝土路面抗高温车辙性能好,使用寿命较普通的路面延长,因而从路面使用寿命的整体效益分析,岩改性沥青混凝土路面经济效益显著。
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